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Cheap flights from Keflavik Intl (KEF) to Seattle (SEA) from $296

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/8. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
KEF — SEA
Jun 2 — Jun 91
From?
To?
Sun 6/2
Sun 6/9
1 adult, Economy
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Cheap flight deals from Keflavik Intl to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Keflavik Intl (KEF) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 28, 2024.

Popular in

October

Cheapest in

May

Average price

$605

Round-trip from

$247
High demand for flights, 37% potential price rise
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Best time to find cheap flights, 19% potential price drop
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Average for round-trip flights in May 2024
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From Reykjavik Keflavik Intl to Seattle/Tacoma Intl
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What is the cheapest day to fly round-trip from Reykjavik Keflavik Intl Airport to Seattle?

Thursday is generally a great day to depart. Flying on this day could help you save up to 19%.

When is the cheapest time to fly from Reykjavik Keflavik Intl Airport to Seattle (KEF - SEA)?

When flying from Reykjavik Keflavik Intl Airport to Seattle, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 14% versus a flight at noon.

Cheap Icelandair flights from Keflavik Intl to Seattle

Explore cheap flight options specifically provided by Icelandair for the route between Keflavik Intl and Seattle. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 28, 2024.
Consider these cheap Icelandair flights we've found departing from Reykjavik to Seattle. Be sure to come back soon if the deals available don't appeal to you at this time.
Sat 8/317:45 pmKEF - SEA
Nonstop7h 50mIcelandair
Mon 9/211:00 pmSEA - KEF
Nonstop7h 25mIcelandair
Deal found 5/27$602
Mon 6/1710:30 amKEF - SEA
Nonstop7h 50mIcelandair
Wed 6/266:55 pmSEA - KEF
Nonstop7h 20mIcelandair
Deal found 5/27$671
Sat 8/314:50 pmKEF - SEA
1 stop12h 05mIcelandair
Mon 9/26:55 pmSEA - KEF
Nonstop7h 20mIcelandair
Deal found 5/27$717
Tue 6/410:30 amKEF - SEA
Nonstop7h 50mIcelandair
Wed 6/56:55 pmSEA - KEF
Nonstop7h 20mIcelandair
Deal found 5/28$755
Mon 7/810:30 amKEF - SEA
Nonstop7h 50mIcelandair
Tue 7/96:55 pmSEA - KEF
Nonstop7h 20mIcelandair
Deal found 5/28$1,161
Tue 6/187:45 pmKEF - SEA
Nonstop7h 50mIcelandair
Wed 6/198:18 pmSEA - KEF
1 stop30h 07mIcelandair
Deal found 5/27$2,018
Thu 6/207:45 pmKEF - SEA
Nonstop7h 50mIcelandair
Thu 6/2011:00 pmSEA - KEF
Nonstop7h 25mIcelandair
Deal found 5/27$2,299

Cheap WestJet flights from Keflavik Intl to Seattle

Explore cheap flight options specifically provided by WestJet for the route between Keflavik Intl and Seattle. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 28, 2024.
To aid your search, here are some of the cheapest WestJet flights we've found from Reykjavik to Seattle. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
Tue 6/49:35 amKEF - SEA
1 stop10h 21mWestJet
Wed 6/57:00 amSEA - KEF
1 stop18h 15mWestJet
Deal found 5/28$602
Sat 8/319:35 amKEF - SEA
2 stops36h 11mWestJet
Mon 9/27:00 amSEA - KEF
1 stop18h 15mWestJet
Deal found 5/27$644
Tue 6/49:35 amKEF - SEA
1 stop17h 45mWestJet
Wed 6/57:22 amSEA - KEF
2 stops17h 53mWestJet
Deal found 5/28$658
Sat 8/319:35 amKEF - SEA
1 stop17h 46mWestJet
Mon 9/27:00 amSEA - KEF
1 stop18h 15mWestJet
Deal found 5/27$702
Mon 7/89:35 amKEF - SEA
1 stop14h 47mWestJet
Tue 7/96:15 pmSEA - KEF
1 stop31h 00mWestJet
Deal found 5/28$981

Cheap Keflavik Intl to Seattle flights in May & June 2024

Find cheap flight options from Keflavik Intl to Seattle specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,696,634 searches. Prices were last updated on May 28, 2024.
The lowest fares we've come across on flights traveling from Reykjavik to Seattle in May and June 2024. For more flight deals, be sure to check back very soon.
Thu 6/139:35 amKEF - SEA
2 stops36h 14mWestJet
Mon 6/177:00 amSEA - KEF
1 stop18h 15mWestJet
Deal found 5/28$600
Tue 6/49:35 amKEF - SEA
1 stop10h 21mWestJet
Wed 6/57:00 amSEA - KEF
1 stop18h 15mWestJet
Deal found 5/28$602
Thu 6/139:35 amKEF - SEA
1 stop10h 21mWestJet
Mon 6/177:00 amSEA - KEF
1 stop18h 15mWestJet
Deal found 5/28$603
Tue 6/49:35 amKEF - SEA
1 stop17h 45mWestJet
Wed 6/57:22 amSEA - KEF
2 stops17h 53mWestJet
Deal found 5/28$658
Mon 6/1710:30 amKEF - SEA
Nonstop7h 50mIcelandair
Wed 6/266:55 pmSEA - KEF
Nonstop7h 20mIcelandair
Deal found 5/27$671
Fri 5/3110:30 amKEF - SEA
Nonstop7h 50mIcelandair
Sun 6/911:00 pmSEA - KEF
Nonstop7h 25mIcelandair
Deal found 5/28$699
Tue 6/49:35 amKEF - SEA
1 stop10h 21mMultiple Airlines
Wed 6/55:55 amSEA - KEF
3 stops19h 20mMultiple Airlines
Deal found 5/28$702
Tue 6/410:30 amKEF - SEA
Nonstop7h 50mIcelandair
Wed 6/56:55 pmSEA - KEF
Nonstop7h 20mIcelandair
Deal found 5/28$755
Mon 6/179:45 amKEF - SEA
2 stops32h 43mUnited Airlines
Wed 6/267:00 amSEA - KEF
1 stop18h 30mUnited Airlines
Deal found 5/27$769

Keflavik Intl to Seattle 2024 flight deals

Discover exclusive flight deals for travel between Keflavik Intl and Seattle in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 28, 2024.
The lowest fares we've come across on flights traveling from Reykjavik to Seattle in May and June 2024. For more flight deals, be sure to check back very soon.
Thu 6/139:35 amKEF - SEA
2 stops36h 14mWestJet
Mon 6/177:00 amSEA - KEF
1 stop18h 15mWestJet
Deal found 5/28$600
Tue 6/49:35 amKEF - SEA
1 stop10h 21mWestJet
Wed 6/57:00 amSEA - KEF
1 stop18h 15mWestJet
Deal found 5/28$602
Thu 6/139:35 amKEF - SEA
1 stop10h 21mWestJet
Mon 6/177:00 amSEA - KEF
1 stop18h 15mWestJet
Deal found 5/28$603
Sat 8/319:35 amKEF - SEA
2 stops36h 11mWestJet
Mon 9/27:00 amSEA - KEF
1 stop18h 15mWestJet
Deal found 5/27$644
Tue 6/49:35 amKEF - SEA
1 stop17h 45mWestJet
Wed 6/57:22 amSEA - KEF
2 stops17h 53mWestJet
Deal found 5/28$658
Mon 6/1710:30 amKEF - SEA
Nonstop7h 50mIcelandair
Wed 6/266:55 pmSEA - KEF
Nonstop7h 20mIcelandair
Deal found 5/27$671
Fri 5/3110:30 amKEF - SEA
Nonstop7h 50mIcelandair
Sun 6/911:00 pmSEA - KEF
Nonstop7h 25mIcelandair
Deal found 5/28$699
Tue 6/49:35 amKEF - SEA
1 stop10h 21mMultiple Airlines
Wed 6/55:55 amSEA - KEF
3 stops19h 20mMultiple Airlines
Deal found 5/28$702
Sat 8/314:50 pmKEF - SEA
1 stop12h 05mIcelandair
Mon 9/26:55 pmSEA - KEF
Nonstop7h 20mIcelandair
Deal found 5/27$717

Non-stop flights to Seattle from Keflavik Intl

Discover non-stop flight options from Keflavik Intl to Seattle. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 28, 2024.
For a shorter flight, select one of these non-stop flights from Reykjavik to Seattle. If you're looking for other options for flights from Reykjavik to Seattle, make sure to update the search form at the top of page.
Sat 8/317:45 pmKEF - SEA
Nonstop7h 50mIcelandair
Mon 9/211:00 pmSEA - KEF
Nonstop7h 25mIcelandair
Deal found 5/27$602
Mon 6/1710:30 amKEF - SEA
Nonstop7h 50mIcelandair
Wed 6/266:55 pmSEA - KEF
Nonstop7h 20mIcelandair
Deal found 5/27$671
Mon 7/810:30 amKEF - SEA
Nonstop7h 50mIcelandair
Tue 7/96:55 pmSEA - KEF
Nonstop7h 20mIcelandair
Deal found 5/28$1,161
Thu 6/207:45 pmKEF - SEA
Nonstop7h 50mIcelandair
Thu 6/2011:00 pmSEA - KEF
Nonstop7h 25mIcelandair
Deal found 5/27$2,299

Keflavik Intl to Seattle flights leaving soon

Find last-minute flight options from Keflavik Intl to Seattle for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 28, 2024.
Book one of these great deals on flights from Reykjavik to Seattle. Tip: verify your flight details before completing your reservation.
Tue 6/49:35 amKEF - SEA
1 stop10h 21mWestJet
Wed 6/57:00 amSEA - KEF
1 stop18h 15mWestJet
Deal found 5/28$602
Tue 6/49:35 amKEF - SEA
1 stop17h 45mWestJet
Wed 6/57:22 amSEA - KEF
2 stops17h 53mWestJet
Deal found 5/28$658
Tue 6/49:35 amKEF - SEA
1 stop10h 21mMultiple Airlines
Wed 6/55:55 amSEA - KEF
3 stops19h 20mMultiple Airlines
Deal found 5/28$702
Tue 6/410:30 amKEF - SEA
Nonstop7h 50mIcelandair
Wed 6/56:55 pmSEA - KEF
Nonstop7h 20mIcelandair
Deal found 5/28$755
Tue 6/47:45 pmKEF - SEA
Nonstop7h 50mMultiple Airlines
Wed 6/57:00 amSEA - KEF
1 stop18h 15mMultiple Airlines
Deal found 5/28$817
Mon 6/312:25 amKEF - SEA
2 stops25h 19mMultiple Airlines
Wed 6/56:55 pmSEA - KEF
Nonstop7h 20mMultiple Airlines
Deal found 5/28$1,344
Mon 6/312:25 amKEF - SEA
1 stop21h 30mMultiple Airlines
Wed 6/511:00 pmSEA - KEF
Nonstop7h 25mMultiple Airlines
Deal found 5/28$1,609
Mon 6/312:25 amKEF - SEA
2 stops23h 34mLufthansa
Wed 6/52:15 pmSEA - KEF
1 stop15h 40mLufthansa
Deal found 5/28$1,643
Mon 6/312:25 amKEF - SEA
1 stop19h 00mMultiple Airlines
Wed 6/55:55 amSEA - KEF
3 stops19h 20mMultiple Airlines
Deal found 5/28$1,671

One-way flights to Seattle from Keflavik Intl

Search for one-way flight options from Keflavik Intl to Seattle. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 28, 2024.
Take a look at some of the best available options we've come across on one-way flights from Reykjavik to Seattle. Those seeking round-trip flights from Reykjavik to Seattle should utilize the search form at the the top of the page.
Sat 6/89:35 amKEF - SEA
1 stop10h 21mWestJet
Deal found 5/28$296
Sat 6/89:35 amKEF - SEA
2 stops36h 14mWestJet
Deal found 5/28$318
Mon 9/169:35 amKEF - SEA
1 stop17h 51mWestJet
Deal found 5/27$326
Sat 10/129:35 amKEF - SEA
1 stop10h 21mWestJet
Deal found 5/28$331
Sat 9/79:35 amKEF - SEA
1 stop10h 21mWestJet
Deal found 5/27$332
Sat 10/129:35 amKEF - SEA
2 stops13h 56mWestJet
Deal found 5/28$334
Sat 9/79:35 amKEF - SEA
2 stops36h 11mWestJet
Deal found 5/27$340
Wed 6/123:50 pmKEF - SEA
3 stops35h 19mMultiple Airlines
Deal found 5/27$359
Sat 9/73:05 pmKEF - SEA
2 stops24h 40mMultiple Airlines
Deal found 5/27$362

Find flights from Keflavik Intl to Seattle within your budget

Customize your flight search to find flights from Keflavik Intl to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$602 - $1,362

Route

Depart

Return

Price

Reykjavik Keflavik IntlSeattle/Tacoma Intl

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Sat 8/31

Nonstop7h 50m

Seattle/Tacoma Intl

Mon 9/2

Nonstop7h 25m

$602

Reykjavik Keflavik IntlSeattle/Tacoma Intl

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Sat 8/31

2 stops36h 11m

Seattle/Tacoma Intl

Mon 9/2

1 stop18h 15m

$644

Reykjavik Keflavik IntlSeattle/Tacoma Intl

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Mon 6/17

Nonstop7h 50m

Seattle/Tacoma Intl

Wed 6/26

Nonstop7h 20m

$671

Reykjavik Keflavik IntlSeattle/Tacoma Intl

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Sat 8/31

1 stop17h 46m

Seattle/Tacoma Intl

Mon 9/2

1 stop18h 15m

$702

Reykjavik Keflavik IntlSeattle/Tacoma Intl

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Mon 6/17

2 stops32h 43m

Seattle/Tacoma Intl

Wed 6/26

1 stop18h 30m

$769

Reykjavik Keflavik IntlSeattle/Tacoma Intl

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Mon 6/17

2 stops32h 43m

Seattle/Tacoma Intl

Wed 6/26

2 stops15h 59m

$773

Reykjavik Keflavik IntlSeattle/Tacoma Intl

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Sat 8/31

2 stops36h 11m

Seattle/Tacoma Intl

Mon 9/2

2 stops24h 43m

$799

Reykjavik Keflavik IntlSeattle/Tacoma Intl

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Sat 8/31

1 stop17h 59m

Seattle/Tacoma Intl

Sun 9/1

1 stop23h 25m

$891

Reykjavik Keflavik IntlSeattle/Tacoma Intl

KEF - SEA

KEFSEA

Reykjavik Keflavik Intl

Sun 6/16

1 stop19h 00m

Seattle/Tacoma Intl

Wed 6/26

1 stop15h 40m

$1,362

Flights are sorted by cheapest first

Deals found on 5/27

When is the cheapest time to fly from Reykjavik Keflavik Intl Airport to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Keflavik Intl to Seattle. Price data was last updated on May 26, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Reykjavik Keflavik Intl Airport to Seattle flight should consider departing on Friday afternoons when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from Keflavik Intl to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Keflavik Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average temperature and rainfall totals by month.

SEA

Temperature

41 - 66.2 °F

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated May 28, 2024.
Read reviews from past customers who have flown Icelandair, WestJet and United Airlines from Reykjavik to Seattle. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.9
Good
1,528 reviews
Check prices

Overall

7.9

Comfort

7.7

Entertainment

7.2

Boarding

7.9

Crew

8.4

Food

7.4

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

KLM
7.9
Good
1,528 reviews
KLM
7.9
Good
1,528 reviews
Check prices

Overall

7.9

Comfort

7.7

Entertainment

7.2

Boarding

7.9

Crew

8.4

Food

7.4

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

Finnair
7.8
Good
1,371 reviews
KLM
7.9
Good
1,528 reviews
Check prices

Overall

7.9

Comfort

7.7

Entertainment

7.2

Boarding

7.9

Crew

8.4

Food

7.4

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

Austrian Airlines
7.7
Good
1,026 reviews
KLM
7.9
Good
1,528 reviews
Check prices

Overall

7.9

Comfort

7.7

Entertainment

7.2

Boarding

7.9

Crew

8.4

Food

7.4

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

Virgin Atlantic
7.6
Good
723 reviews
KLM
7.9
Good
1,528 reviews
Check prices

Overall

7.9

Comfort

7.7

Entertainment

7.2

Boarding

7.9

Crew

8.4

Food

7.4

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

Air France
7.5
Good
1,736 reviews
KLM
7.9
Good
1,528 reviews
Check prices

Overall

7.9

Comfort

7.7

Entertainment

7.2

Boarding

7.9

Crew

8.4

Food

7.4

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

Related info for your journey

Find useful and relevant information for your journey from Keflavik Intl to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Seattle from Reykjavik Keflavik Intl?

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly into when you book flights from Reykjavik Keflavik Intl to Seattle. 1 airline have flights to Seattle/Tacoma Intl from Reykjavik Keflavik Intl on a regular basis. Booking flights from Reykjavik Keflavik Intl to Seattle/Tacoma Intl should not be difficult; the airport handles an average of 1 inbound flight from Reykjavik Keflavik Intl per day.

  • Can I find flights from Reykjavik Keflavik Intl Airport to Seattle for under $700 on Cheapflights?

    Yes, there are multiple flights from Reykjavik Keflavik Intl Airport to Seattle for under $700. The cheapest flight booked recently is on Icelandair for just $602, but on average you can expect to pay $924.

  • Are there nonstop flights from Reykjavik Keflavik Intl Airport to Seattle for under $700 on Cheapflights?

    Cheapflights has at least 4 direct flights from Reykjavik Keflavik Intl Airport to Seattle under $700. A good price for a nonstop flight from Reykjavik Keflavik Intl Airport to Seattle is less than $1,183.

  • Are there last-minute flights available from Reykjavik Keflavik Intl Airport to Seattle for under $700?

    There are currently 10+ open flights from Reykjavik Keflavik Intl Airport to Seattle within the next 7 days for less than $700.

  • What are the cheapest airlines flying from Reykjavik Keflavik Intl Airport to Seattle round-trip?

    Flying on Icelandair is currently your cheapest option to Seattle, with prices starting at $602. Additional round-trip tickets that might be worth considering are offered by WestJet and United Airlines, with the lowest prices starting at $644 and $769, respectively. You may be able to fly from Reykjavik Keflavik Intl Airport to Seattle for 19% less than the average price by searching for these airlines.

  • What are the most reliable airlines from Reykjavik Keflavik Intl Airport to Seattle?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Reykjavik Keflavik Intl Airport to Seattle on time: Alaska Airlines (66%), Icelandair (66%), airBaltic (65%).

  • What are the cheapest flights from Reykjavik Keflavik Intl Airport to Seattle?

    While on average a flight from Reykjavik Keflavik Intl Airport to Seattle is generally $1,299, our data shows the cheapest flight currently is $401. When looking at the most popular route, (Reykjavik Keflavik Intl - Seattle/Tacoma Intl), you can expect to pay $602 for that flight.

  • What does KEF to SEA mean?

    KEF and SEA are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. KEF to SEA refers to a flight route from Reykjavik Keflavik Intl Airport to Seattle/Tacoma Intl Airport.

  • Can I find deals for flights from Keflavik Intl to Seattle that include extra baggage allowance?

    The amount of baggage you can bring on your Keflavik Intl to Seattle flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Keflavik Intl to Seattle with specific airlines?

    Yes, Cheapflights allows you to browse and filter Keflavik Intl to Seattle flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Keflavik Intl to Seattle that include hotel bookings?

    Yes. In addition to deals on Keflavik Intl to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Keflavik Intl to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Keflavik Intl to Seattle.

  • Can I find deals for business class flights from Keflavik Intl to Seattle?

    Yes. Cheapflights offers flight deals from Keflavik Intl to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Keflavik Intl to Seattle that allow pets onboard?

    Many airlines flying from Keflavik Intl to Seattle offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Keflavik Intl to Seattle?

    Yes, you can often find last-minute deals on Keflavik Intl to Seattle flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Reykjavik Keflavik Intl Airport to Seattle flight deals updated?

    The Reykjavik Keflavik Intl Airport to Seattle flight deals you see on this page were last updated on 5/28.

  • When is the best time to book a flight from Reykjavik Keflavik Intl Airport to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Reykjavik Keflavik Intl Airport to Seattle (average of $247). Flying from Reykjavik Keflavik Intl Airport to Seattle in July is currently the most expensive (average of $406). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Keflavik Intl to Seattle
See prices for flight routes from nearby airports that may be better suited for you.

Keflavik Intl to Portland flights

Top airline flying from Keflavik Intl to Seattle

Discover the top airline that operate flights from Keflavik Intl to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 28, 2024.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$589Average$669FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
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Search flights from Keflavik Intl to Seattle by cabin class

Find flights from Keflavik Intl to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Hourly flight availability from Keflavik Intl to Seattle

Find hourly flight availability from Keflavik Intl to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 28, 2024.
1%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
57%of flight departuresAfternoonNoon to 6 pm
42%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Keflavik Intl to Seattle

Explore weekly flight availability from Keflavik Intl to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 28, 2024.
Sunday0daily flights
Monday1daily flight
Tuesday1daily flight
Wednesday1daily flight
Thursday1daily flight
Friday1daily flight
Saturday2daily flights

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Fly with Cheapflights

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How does Cheapflights help users find flights from Keflavik Intl to Seattle?

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Can Cheapflights notify me if prices for flights from Keflavik Intl to Seattle become cheaper?

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