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Cheap flights from Seattle (SEA) to Hamilton (YHM) from $172

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 9/18. 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.
SEA — YHM
Jun 3 — Jun 101
From?
To?
Mon 6/3
Mon 6/10
1 adult, Economy
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How far in advance should I book a flight from Seattle to Hamilton, Ontario?

To save on the cost of your flight from Seattle to Hamilton, Ontario, book at least 27 days before your planned departure. Booking around this time can save you about 88% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $713 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $752.

What is the cheapest month to fly from Seattle to Hamilton, Ontario?

November is one of the best times of the year to fly to Hamilton, Ontario from Seattle. Prices for November average $599 per person but you can even find prices for as low as $214. The most expensive prices can be found in the month of December. Opting for a November flight can save you 5% on your journey compared to booking in December

When is the cheapest time to fly from Seattle to Hamilton, Ontario (SEA - YHM)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Hamilton, Ontario as you normally would.

Cheap WestJet flights from Seattle to Hamilton

Explore cheap flight options specifically provided by WestJet for the route between Seattle and Hamilton. 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 29, 2024.
Wed 9/181:50 pmSEA - YHM
1 stop7h 28mWestJet
Thu 9/266:00 amYHM - SEA
2 stops11h 48mWestJet
Deal found 5/28$387
Wed 9/187:00 amSEA - YHM
1 stop7h 13mWestJet
Thu 9/266:00 amYHM - SEA
1 stop9h 56mWestJet
Deal found 5/28$390
Fri 8/231:50 pmSEA - YHM
1 stop7h 25mWestJet
Sun 8/256:00 amYHM - SEA
2 stops11h 46mWestJet
Deal found 5/28$407
Fri 8/231:50 pmSEA - YHM
1 stop7h 25mWestJet
Sun 8/256:00 amYHM - SEA
1 stop17h 21mWestJet
Deal found 5/28$439
Wed 7/31:50 pmSEA - YHM
1 stop7h 26mWestJet
Tue 7/96:00 amYHM - SEA
1 stop9h 59mWestJet
Deal found 5/28$456
Wed 7/171:50 pmSEA - YHM
1 stop7h 25mWestJet
Wed 7/246:00 amYHM - SEA
1 stop9h 56mWestJet
Deal found 5/28$476
Tue 7/161:50 pmSEA - YHM
1 stop7h 25mWestJet
Mon 7/296:00 amYHM - SEA
2 stops11h 46mWestJet
Deal found 5/28$480
Thu 8/156:15 pmSEA - YHM
1 stop27h 00mWestJet
Sat 8/316:00 amYHM - SEA
1 stop14h 21mWestJet
Deal found 5/28$503
Thu 7/187:00 amSEA - YHM
1 stop14h 16mWestJet
Tue 7/236:00 amYHM - SEA
1 stop9h 59mWestJet
Deal found 5/28$510

Cheap Seattle to Hamilton flights in May & June 2024

Find cheap flight options from Seattle to Hamilton 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 29, 2024.
Fri 6/147:00 amSEA - YHM
2 stops13h 39mWestJet
Wed 6/197:15 amYHM - SEA
1 stop8h 41mWestJet
Deal found 5/28$522
Mon 6/177:00 amSEA - YHM
1 stop7h 01mMultiple Airlines
Thu 6/207:05 amYHM - SEA
3 stops28h 27mMultiple Airlines
Deal found 5/28$541
Tue 6/257:00 amSEA - YHM
1 stop14h 15mWestJet
Mon 7/16:00 amYHM - SEA
1 stop9h 59mWestJet
Deal found 5/27$543
Sat 6/297:00 amSEA - YHM
1 stop14h 15mWestJet
Sat 7/66:00 pmYHM - SEA
2 stops23h 46mWestJet
Deal found 5/28$548
Wed 6/127:00 amSEA - YHM
1 stop7h 15mMultiple Airlines
Thu 6/137:05 amYHM - SEA
3 stops28h 27mMultiple Airlines
Deal found 5/28$549
Wed 6/127:00 amSEA - YHM
1 stop7h 15mWestJet
Wed 6/197:15 amYHM - SEA
1 stop8h 41mWestJet
Deal found 5/28$553
Wed 6/127:00 amSEA - YHM
1 stop7h 15mWestJet
Wed 6/197:15 amYHM - SEA
1 stop8h 41mWestJet
Deal found 5/28$569
Mon 6/177:00 amSEA - YHM
1 stop7h 01mMultiple Airlines
Thu 6/207:05 amYHM - SEA
2 stops28h 27mMultiple Airlines
Deal found 5/28$573
Sat 6/297:00 amSEA - YHM
1 stop14h 15mWestJet
Sat 7/66:00 amYHM - SEA
1 stop9h 59mWestJet
Deal found 5/28$580

Seattle to Hamilton 2024 flight deals

Discover exclusive flight deals for travel between Seattle and Hamilton 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 29, 2024.
Wed 9/181:50 pmSEA - YHM
1 stop7h 28mWestJet
Thu 9/266:00 amYHM - SEA
2 stops11h 48mWestJet
Deal found 5/28$387
Wed 9/187:00 amSEA - YHM
1 stop7h 13mWestJet
Thu 9/266:00 amYHM - SEA
1 stop9h 56mWestJet
Deal found 5/28$390
Fri 8/231:50 pmSEA - YHM
1 stop7h 25mWestJet
Sun 8/256:00 amYHM - SEA
2 stops11h 46mWestJet
Deal found 5/28$407
Fri 8/231:50 pmSEA - YHM
1 stop7h 25mWestJet
Sun 8/256:00 amYHM - SEA
1 stop17h 21mWestJet
Deal found 5/28$439
Wed 7/31:50 pmSEA - YHM
1 stop7h 26mWestJet
Tue 7/96:00 amYHM - SEA
1 stop9h 59mWestJet
Deal found 5/28$456
Wed 7/171:50 pmSEA - YHM
1 stop7h 25mWestJet
Wed 7/246:00 amYHM - SEA
1 stop9h 56mWestJet
Deal found 5/28$476
Tue 7/161:50 pmSEA - YHM
1 stop7h 25mWestJet
Mon 7/296:00 amYHM - SEA
2 stops11h 46mWestJet
Deal found 5/28$480
Thu 8/156:15 pmSEA - YHM
1 stop27h 00mWestJet
Sat 8/316:00 amYHM - SEA
1 stop14h 21mWestJet
Deal found 5/28$503
Thu 7/187:00 amSEA - YHM
1 stop14h 16mWestJet
Tue 7/236:00 amYHM - SEA
1 stop9h 59mWestJet
Deal found 5/28$510

Seattle to Hamilton flights leaving soon

Find last-minute flight options from Seattle to Hamilton 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 29, 2024.
Wed 6/57:00 amSEA - YHM
1 stop7h 15mWestJet
Sun 6/96:05 pmYHM - SEA
1 stop21h 51mWestJet
Deal found 5/28$660
Fri 6/77:00 amSEA - YHM
2 stops13h 39mWestJet
Mon 6/106:05 pmYHM - SEA
1 stop29h 15mWestJet
Deal found 5/27$733
Wed 6/57:00 amSEA - YHM
1 stop7h 15mWestJet
Sun 6/96:05 pmYHM - SEA
2 stops23h 44mWestJet
Deal found 5/28$761
Fri 6/77:00 amSEA - YHM
1 stop7h 15mWestJet
Mon 6/106:05 pmYHM - SEA
1 stop21h 51mWestJet
Deal found 5/27$915

One-way flights to Hamilton from Seattle

Search for one-way flight options from Seattle to Hamilton. 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 29, 2024.
Wed 9/181:50 pmSEA - YHM
1 stop7h 28mWestJet
Deal found 5/28$172
Mon 10/141:50 pmSEA - YHM
1 stop7h 28mWestJet
Deal found 5/28$182
Tue 9/101:50 pmSEA - YHM
1 stop24h 11mWestJet
Deal found 5/28$183
Tue 8/206:15 pmSEA - YHM
1 stop27h 00mWestJet
Deal found 5/28$189
Tue 10/291:50 pmSEA - YHM
1 stop22h 28mWestJet
Deal found 5/28$203
Thu 9/57:00 amSEA - YHM
1 stop14h 15mWestJet
Deal found 5/28$209
Tue 6/47:00 amSEA - YHM
1 stop7h 15mWestJet
Deal found 5/28$213
Sat 7/131:50 pmSEA - YHM
1 stop7h 26mWestJet
Deal found 5/27$214
Sat 7/131:50 pmSEA - YHM
1 stop7h 25mWestJet
Deal found 5/28$216

Find flights from Seattle to Hamilton within your budget

Customize your flight search to find flights from Seattle to Hamilton 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 29, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$387 - $573

Route

Depart

Return

Price

Seattle/Tacoma IntlHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Wed 9/18

1 stop7h 28m

Hamilton

Thu 9/26

2 stops11h 48m

$387

Seattle/Tacoma IntlHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Wed 9/18

1 stop7h 13m

Hamilton

Thu 9/26

1 stop9h 56m

$390

Seattle/Tacoma IntlHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Fri 8/23

1 stop7h 25m

Hamilton

Sun 8/25

2 stops11h 46m

$407

Seattle/Tacoma IntlHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Fri 8/23

1 stop7h 25m

Hamilton

Sun 8/25

1 stop17h 21m

$439

Seattle/Tacoma IntlHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Wed 7/3

1 stop7h 26m

Hamilton

Tue 7/9

1 stop9h 59m

$456

Seattle/Tacoma IntlHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Wed 7/17

1 stop7h 25m

Hamilton

Wed 7/24

1 stop9h 56m

$476

Seattle/Tacoma IntlHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Mon 6/17

1 stop7h 01m

Hamilton

Thu 6/20

3 stops28h 27m

$541

Seattle/Tacoma IntlHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Wed 6/12

1 stop7h 15m

Hamilton

Thu 6/13

3 stops28h 27m

$549

Seattle/Tacoma IntlHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Mon 6/17

1 stop7h 01m

Hamilton

Thu 6/20

2 stops28h 27m

$573

Flights are sorted by cheapest first

Deals found on 5/28

No data available for this route at this time. Please check back soon.

Best time to book a flight from Seattle to Hamilton

Have a flexible travel schedule? Discover the best time to fly to Hamilton from Seattle 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.

Reviews of airlines servicing Hamilton

Get insights into the airlines that provide service to Hamilton. 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 Hamilton. Reviews last updated May 29, 2024.
WestJet
7.5
Good
2,871 reviews
Check prices

Boarding

7.7

Crew

8.1

Overall

7.5

Food

6.4

Entertainment

6.4

Comfort

7.3

Reviews

1 / 10

System was down and the line on the check in counter was very slow.

WestJet
7.5
Good
2,871 reviews
WestJet
7.5
Good
2,871 reviews
Check prices

Boarding

7.7

Crew

8.1

Overall

7.5

Food

6.4

Entertainment

6.4

Comfort

7.3

Reviews

1 / 10

System was down and the line on the check in counter was very slow.

Related info for your journey

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

  • Can I find flights from Seattle to Hamilton, Ontario for under $400 on Cheapflights?

    Yes, there are multiple flights from Seattle to Hamilton, Ontario for under $400. The cheapest flight booked recently is on WestJet for just $387, but on average you can expect to pay $495.

  • Are there last-minute flights available from Seattle to Hamilton, Ontario for under $700?

    There are currently 4+ open flights from Seattle to Hamilton, Ontario within the next 7 days for less than $700.

  • What does SEA to YHM mean?

    Great question - SEA to YHM just means Seattle/Tacoma Intl Airport to Hamilton Airport. Now you’ll know what these unique codes when you look for flights!

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

    The amount of baggage you can bring on your Seattle to Hamilton 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 Seattle to Hamilton with specific airlines?

    Yes, Cheapflights allows you to browse and filter Seattle to Hamilton 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 Seattle to Hamilton that include hotel bookings?

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

  • How can I find direct flights from Seattle to Hamilton?

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

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

    Yes. Cheapflights offers flight deals from Seattle to Hamilton 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 Seattle to Hamilton that allow pets onboard?

    Many airlines flying from Seattle to Hamilton 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 Seattle to Hamilton?

    Yes, you can often find last-minute deals on Seattle to Hamilton 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 Seattle to Hamilton, Ontario flight deals updated?

    The Seattle to Hamilton, Ontario flight deals you see on this page were last updated on 5/28.

See more FAQs

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Search flights from Seattle to Hamilton by cabin class

Find flights from Seattle to Hamilton, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Seattle to Hamilton?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Seattle to Hamilton. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Seattle to Hamilton?

Millions of users choose and trust Cheapflights to book the best flight deals from Seattle to Hamilton for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Seattle to Hamilton with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Seattle to Hamilton, users can toggle the no change fees filter when performing a flight search.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Hamilton from Seattle today and book when prices fit your budget.

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