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Cheap flights from Seattle (SEA) to Thailand from $439

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 11/10. 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 — BKK
Jun 2 — Jun 91
From?
To?
Sun 6/2
Sun 6/9
1 adult, Economy
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How far in advance should I book a flight from Seattle to Thailand?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 51 days in advance, which can save you up to 9% on flights from Seattle to Thailand compared to booking the week you need them. Waiting 51 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $1,228. For sooner than that we have options available in the next 3 days from $1,445.

What is the cheapest month to fly from Seattle to Thailand?

October can be a great time to fly to Thailand from Seattle with a flight ticket averaging about $1,198. Cheapflights users have found deals in the month of October for as cheap as $749. The most expensive prices can be found in the month of December.

When is the cheapest time to fly from Seattle to Thailand (SEA - TH)?

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

Cheap Singapore Airlines flights from Seattle to Thailand

Explore cheap flight options specifically provided by Singapore Airlines for the route between Seattle and Thailand. 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.
Take a look at some of the lowest-priced Singapore Airlines flights heading from Seattle to Thailand. Make sure to check back often as deals are often changing.
Tue 8/2710:15 amSEA - CNX
1 stop38h 40mSingapore Airlines
Tue 9/244:00 pmCNX - SEA
1 stop54h 45mSingapore Airlines
Deal found 5/28$1,122
Mon 8/267:12 pmSEA - BKK
2 stops25h 48mSingapore Airlines
Fri 9/138:25 pmBKK - SEA
1 stop26h 20mSingapore Airlines
Deal found 5/28$1,139
Sun 6/210:15 amSEA - BKK
1 stop32h 20mSingapore Airlines
Mon 6/249:40 amBKK - SEA
2 stops37h 11mSingapore Airlines
Deal found 5/27$1,826
Fri 6/711:59 pmSEA - BKK
3 stops48h 21mSingapore Airlines
Fri 7/59:15 pmBKK - SEA
3 stops40h 44mSingapore Airlines
Deal found 5/28$2,171
Tue 6/410:15 amSEA - USM
1 stop35h 00mSingapore Airlines
Mon 7/229:00 amUSM - SEA
1 stop37h 45mSingapore Airlines
Deal found 5/28$2,196

Cheap United Airlines flights from Seattle to Thailand

Explore cheap flight options specifically provided by United Airlines for the route between Seattle and Thailand. 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.
Take a gander at the lowest prices we've found on United Airlines flights from Seattle to Thailand. Make sure to examine the flight information before completing your reservation.
Thu 8/17:27 amSEA - BKK
2 stops26h 28mUnited Airlines
Sat 8/319:35 amBKK - SEA
2 stops47h 04mUnited Airlines
Deal found 5/27$1,196
Thu 8/17:27 amSEA - BKK
2 stops26h 28mUnited Airlines
Sat 8/317:00 amBKK - SEA
2 stops25h 39mUnited Airlines
Deal found 5/28$1,198
Thu 6/66:15 amSEA - BKK
3 stops51h 40mUnited Airlines
Mon 6/247:00 amBKK - SEA
2 stops29h 15mUnited Airlines
Deal found 5/27$1,690

Cheap Seattle to Thailand flights in May & June 2024

Find cheap flight options from Seattle to Thailand 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.
Scroll through some of the best deals on flights from Seattle to Thailand in 2024. Check back soon for alternative fares.
Thu 5/306:40 pmSEA - BKK
1 stop30h 45mTurkish Airlines
Wed 6/1911:05 pmBKK - SEA
1 stop31h 40mTurkish Airlines
Deal found 5/26$1,227
Wed 5/2910:40 amSEA - BKK
2 stops33h 20mMultiple Airlines
Tue 6/182:25 amBKK - SEA
3 stops44h 07mMultiple Airlines
Deal found 5/26$1,271
Wed 5/296:40 pmSEA - BKK
1 stop30h 45mTurkish Airlines
Wed 6/1911:05 pmBKK - SEA
1 stop31h 40mTurkish Airlines
Deal found 5/26$1,272
Wed 5/296:40 pmSEA - BKK
1 stop30h 45mTurkish Airlines
Wed 6/511:05 pmBKK - SEA
1 stop31h 40mTurkish Airlines
Deal found 5/28$1,313
Thu 5/306:40 pmSEA - BKK
1 stop30h 45mTurkish Airlines
Sun 6/1611:05 pmBKK - SEA
1 stop31h 40mTurkish Airlines
Deal found 5/27$1,334
Fri 5/316:40 pmSEA - BKK
1 stop45h 25mTurkish Airlines
Wed 6/1911:05 pmBKK - SEA
1 stop31h 40mTurkish Airlines
Deal found 5/26$1,351
Wed 5/2910:40 amSEA - BKK
2 stops33h 20mMultiple Airlines
Wed 6/197:35 pmBKK - SEA
2 stops31h 10mMultiple Airlines
Deal found 5/26$1,369
Fri 5/316:40 pmSEA - BKK
1 stop30h 45mTurkish Airlines
Mon 6/311:05 pmBKK - SEA
1 stop31h 40mTurkish Airlines
Deal found 5/27$1,388
Thu 6/66:40 pmSEA - BKK
1 stop30h 45mTurkish Airlines
Mon 6/2410:50 pmBKK - SEA
1 stop31h 55mTurkish Airlines
Deal found 5/27$1,412

Seattle to Thailand 2024 flight deals

Discover exclusive flight deals for travel between Seattle and Thailand 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.
Scroll through some of the best deals on flights from Seattle to Thailand in 2024. Check back soon for alternative fares.
Wed 10/3011:35 pmSEA - BKK
1 stop22h 30mPhilippine Airlines
Wed 11/61:30 pmBKK - SEA
1 stop19h 45mPhilippine Airlines
Deal found 5/28$745
Mon 9/91:40 amSEA - BKK
1 stop18h 05mChina Airlines
Mon 10/72:40 amBKK - SEA
1 stop30h 50mChina Airlines
Deal found 5/28$755
Sun 8/251:40 amSEA - CNX
1 stop18h 40mChina Airlines
Tue 9/2411:20 amCNX - SEA
1 stop22h 10mChina Airlines
Deal found 5/28$755
Mon 9/91:40 amSEA - BKK
1 stop18h 05mChina Airlines
Mon 10/72:40 amBKK - SEA
1 stop30h 50mChina Airlines
Deal found 5/27$756
Mon 8/261:40 amSEA - CNX
1 stop18h 40mChina Airlines
Tue 9/2411:20 amCNX - SEA
1 stop22h 10mChina Airlines
Deal found 5/28$756
Fri 10/1111:40 pmSEA - BKK
1 stop22h 35mPhilippine Airlines
Sun 10/201:30 pmBKK - SEA
1 stop19h 45mPhilippine Airlines
Deal found 5/27$771
Fri 11/111:35 pmSEA - BKK
1 stop32h 15mPhilippine Airlines
Sat 11/2310:50 pmBKK - SEA
1 stop34h 25mPhilippine Airlines
Deal found 5/27$774
Sun 9/11:40 amSEA - BKK
1 stop18h 05mChina Airlines
Sun 9/292:40 amBKK - SEA
1 stop30h 50mChina Airlines
Deal found 5/28$787
Sun 8/251:40 amSEA - BKK
1 stop18h 05mChina Airlines
Sat 9/75:30 pmBKK - SEA
1 stop16h 20mChina Airlines
Deal found 5/27$788

Seattle to Thailand flights leaving soon

Find last-minute flight options from Seattle to Thailand 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.
Consider one of these great deals we found on last-minute flights from Seattle to Thailand. Users should be sure to double check the price, date, and time of their last-minute flight.
Thu 6/66:40 pmSEA - BKK
1 stop30h 45mTurkish Airlines
Mon 6/2410:50 pmBKK - SEA
1 stop31h 55mTurkish Airlines
Deal found 5/27$1,412
Mon 6/34:30 pmSEA - BKK
1 stop23h 40mQatar Airways
Tue 7/169:05 amBKK - SEA
1 stop41h 25mQatar Airways
Deal found 5/27$1,476
Wed 6/56:40 pmSEA - BKK
1 stop30h 45mTurkish Airlines
Mon 6/2411:05 pmBKK - SEA
1 stop31h 40mTurkish Airlines
Deal found 5/27$1,478
Mon 6/36:40 pmSEA - BKK
1 stop30h 45mTurkish Airlines
Mon 6/2411:05 pmBKK - SEA
1 stop31h 40mTurkish Airlines
Deal found 5/27$1,483
Mon 6/34:30 pmSEA - BKK
1 stop23h 40mQatar Airways
Mon 6/249:05 amBKK - SEA
2 stops49h 55mQatar Airways
Deal found 5/27$1,511
Wed 6/58:50 amSEA - BKK
2 stops25h 00mMultiple Airlines
Mon 6/2411:00 amBKK - SEA
2 stops22h 44mMultiple Airlines
Deal found 5/27$1,524
Wed 6/56:40 pmSEA - BKK
1 stop30h 45mTurkish Airlines
Mon 6/2411:05 pmBKK - SEA
1 stop31h 40mTurkish Airlines
Deal found 5/27$1,527
Mon 6/36:00 amSEA - BKK
2 stops35h 05mQatar Airways
Mon 6/249:05 amBKK - SEA
2 stops51h 03mQatar Airways
Deal found 5/27$1,536
Thu 6/65:34 pmSEA - BKK
2 stops26h 26mMultiple Airlines
Mon 6/2411:00 amBKK - SEA
2 stops22h 44mMultiple Airlines
Deal found 5/27$1,548

One-way flights to Thailand from Seattle

Search for one-way flight options from Seattle to Thailand. 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.
Users in need of a one-way flight from Seattle to Thailand can choose from these deals. Those seeking round-trip flights from Seattle to Thailand should utilize the search form at the the top of the page.
Sun 11/1012:10 amSEA - BKK
1 stop18h 40mChina Airlines
Deal found 5/26$439
Sun 9/151:10 amSEA - BKK
1 stop21h 00mChina Airlines
Deal found 5/27$452
Sun 10/61:10 amSEA - BKK
1 stop18h 35mChina Airlines
Deal found 5/27$469
Tue 11/1212:10 amSEA - BKK
1 stop21h 55mChina Airlines
Deal found 5/26$472
Tue 8/201:40 amSEA - BKK
1 stop18h 05mChina Airlines
Deal found 5/28$474
Sun 8/182:10 amSEA - BKK
1 stop24h 30mSTARLUX Airlines
Deal found 5/27$476
Mon 8/191:40 amSEA - CNX
1 stop18h 40mChina Airlines
Deal found 5/26$477
Thu 9/121:40 amSEA - BKK
1 stop18h 05mChina Airlines
Deal found 5/26$484
Tue 8/131:40 amSEA - BKK
1 stop18h 05mChina Airlines
Deal found 5/27$488

Find flights from Seattle to Thailand within your budget

Customize your flight search to find flights from Seattle to Thailand 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

$755 - $1,138

Route

Depart

Return

Price

Seattle/Tacoma IntlChiang Mai

SEA - CNX

SEACNX

Seattle/Tacoma Intl

Sun 8/25

1 stop18h 40m

Chiang Mai

Tue 9/24

1 stop22h 10m

$755

Seattle/Tacoma IntlChiang Mai

SEA - CNX

SEACNX

Seattle/Tacoma Intl

Mon 8/26

1 stop19h 25m

Chiang Mai

Mon 9/23

1 stop26h 00m

$833

Seattle/Tacoma IntlChiang Mai

SEA - CNX

SEACNX

Seattle/Tacoma Intl

Tue 10/22

1 stop18h 55m

Chiang Mai

Thu 10/31

1 stop21h 25m

$914

Seattle/Tacoma IntlChiang Mai

SEA - CNX

SEACNX

Seattle/Tacoma Intl

Sun 8/25

1 stop18h 40m

Chiang Mai

Tue 9/24

2 stops23h 20m

$967

Seattle/Tacoma IntlChiang Mai

SEA - CNX

SEACNX

Seattle/Tacoma Intl

Thu 10/17

2 stops25h 55m

Chiang Mai

Mon 11/4

1 stop24h 40m

$1,027

Seattle/Tacoma IntlBangkok Suvarnabhumi

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Fri 8/16

2 stops37h 23m

Bangkok Suvarnabhumi

Sun 8/25

2 stops26h 35m

$1,040

Seattle/Tacoma IntlBangkok Suvarnabhumi

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Sun 8/18

1 stop30h 40m

Bangkok Suvarnabhumi

Sun 9/8

2 stops30h 26m

$1,098

Seattle/Tacoma IntlChiang Mai

SEA - CNX

SEACNX

Seattle/Tacoma Intl

Tue 8/27

1 stop38h 40m

Chiang Mai

Tue 9/24

1 stop54h 45m

$1,122

Seattle/Tacoma IntlBangkok Suvarnabhumi

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Sun 8/18

1 stop21h 55m

Bangkok Suvarnabhumi

Sun 8/25

1 stop18h 50m

$1,138

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 Thailand

Have a flexible travel schedule? Discover the best time to fly to Thailand 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 Thailand

Get insights into the airlines that provide service to Thailand. 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 Thailand. Reviews last updated May 28, 2024.
Read reviews from past customers who have flown Singapore Airlines, United Airlines and ANA from Seattle to Thailand. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
105 reviews
Check prices

Overall

9.1

Food

9.0

Comfort

9.2

Crew

9.3

Entertainment

9.1

Boarding

9.1

Reviews

1 / 2

First time on starlux. I was pleasantly surprised. Exceeded my expectations.

STARLUX Airlines
9.1
Wonderful
105 reviews
STARLUX Airlines
9.1
Wonderful
105 reviews
Check prices

Overall

9.1

Food

9.0

Comfort

9.2

Crew

9.3

Entertainment

9.1

Boarding

9.1

Reviews

1 / 2

First time on starlux. I was pleasantly surprised. Exceeded my expectations.

Korean Air
8.5
Very good
1,152 reviews
STARLUX Airlines
9.1
Wonderful
105 reviews
Check prices

Overall

9.1

Food

9.0

Comfort

9.2

Crew

9.3

Entertainment

9.1

Boarding

9.1

Reviews

1 / 2

First time on starlux. I was pleasantly surprised. Exceeded my expectations.

ANA
8.5
Very good
917 reviews
STARLUX Airlines
9.1
Wonderful
105 reviews
Check prices

Overall

9.1

Food

9.0

Comfort

9.2

Crew

9.3

Entertainment

9.1

Boarding

9.1

Reviews

1 / 2

First time on starlux. I was pleasantly surprised. Exceeded my expectations.

Asiana Airlines
8.4
Very good
573 reviews
STARLUX Airlines
9.1
Wonderful
105 reviews
Check prices

Overall

9.1

Food

9.0

Comfort

9.2

Crew

9.3

Entertainment

9.1

Boarding

9.1

Reviews

1 / 2

First time on starlux. I was pleasantly surprised. Exceeded my expectations.

Japan Airlines
8.3
Very good
1,472 reviews
STARLUX Airlines
9.1
Wonderful
105 reviews
Check prices

Overall

9.1

Food

9.0

Comfort

9.2

Crew

9.3

Entertainment

9.1

Boarding

9.1

Reviews

1 / 2

First time on starlux. I was pleasantly surprised. Exceeded my expectations.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Thailand. 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 from for flights from Seattle to Thailand?

    Located just 11.4 mi from the city center, Seattle/Tacoma Intl (SEA) is the airport most travelers will use when flying to Thailand from Seattle.

  • Can I find flights from Seattle to Thailand for under $800 on Cheapflights?

    Yes, there are multiple flights from Seattle to Thailand for under $800. The cheapest flight booked recently is on China Airlines for just $755, but on average you can expect to pay $895.

  • Are there last-minute flights available from Seattle to Thailand for under $1,500?

    There are currently 20+ open flights from Seattle to Thailand within the next 7 days for less than $1,500.

  • What are the cheapest airlines to fly from Seattle to Thailand one-way?

    $439 is the cheapest one-way deal found within the past few days, from China Airlines. You may also be able to find cheap deals on STARLUX Airlines and Korean Air, with prices starting from $476 and $498, respectively.

  • What are the most popular routes from Seattle to Thailand?

    While some choose either Seattle/Tacoma Intl - Bangkok Don Mueang Intl or Seattle/Tacoma Intl - Phuket City, Seattle/Tacoma Intl - Bangkok Suvarnabhumi is the most popular route from Seattle to Thailand.

  • What does SEA to BKK mean?

    SEA and BKK 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. SEA to BKK refers to a flight route from Seattle/Tacoma Intl Airport to Bangkok Suvarnabhumi Airport. Ready for more IATA code knowledge? These are related airports for your current travel destination: Phuket City Airport (HKT), Chiang Mai Airport (CNX), Ko Samui Airport (USM), Bangkok Don Mueang Intl Airport (DMK), Krabi Airport (KBV).

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

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

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

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

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

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

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

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

    Many airlines flying from Seattle to Thailand 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 Thailand?

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

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

  • What are the most popular airlines that fly from Seattle to Thailand?

    Consider American Airlines, Air Canada or Finnair when booking your flight. These represent the most popular airlines when flying from Seattle to Thailand.

  • When is the best time to book a flight from Seattle to Thailand?

    Currently, September is the cheapest month in which you can book a flight from Seattle to Thailand (average of $1,043). Flying from Seattle to Thailand in June is currently the most expensive (average of $1,599). 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

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See prices for flight routes from nearby airports that may be better suited for you.

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Top 10 airlines flying from Seattle to Thailand

Discover the top 10 airlines that operate flights from Seattle to Thailand. 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
Singapore AirlinesCheapest$613Average$909FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Asiana AirlinesCheapest$743Average$1,275FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
China AirlinesCheapest$749Average$807FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
Philippine AirlinesCheapest$780Average$820FlexibilityNo cancel feeOn-time60%
Search Philippine Airlines flights
STARLUX AirlinesCheapest$839Average$936FlexibilityNo cancel feeOn-timeN/A
Search STARLUX Airlines flights
Turkish AirlinesCheapest$840Average$1,143FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Japan AirlinesCheapest$875Average$1,151FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
American AirlinesCheapest$884Average$1,149FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
ANACheapest$925Average$1,145FlexibilityNo cancel feeOn-time80%
Search ANA flights
United AirlinesCheapest$942Average$1,054FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
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Seattle to Bangkok flights

Search flights from Seattle to Thailand by cabin class

Find flights from Seattle to Thailand, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy 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 Thailand?

Cheapflights makes it easy to find Seattle to Thailand flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Thailand from Seattle.

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

Yes, we can. To see specific flights from Seattle to Thailand with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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