Suvarnabhumi

$354+ Cheap flights from Seattle (SEA) to Suvarnabhumi (BKK)

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 3/20. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BKK
Feb 10 — Feb 171
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Cheap flight deals from Seattle to Suvarnabhumi

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Suvarnabhumi (BKK). 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 January 11, 2026.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$650
(oojo)

One-way from

$354
(Trip.com)

Popular in

June

Cheapest in

September

Average price

$789
Provider with most accurate pricing for Seattle/Tacoma Intl-Bangkok Suvarnabhumi flight deals.
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Bangkok Suvarnabhumi flights.
From Seattle/Tacoma Intl to Bangkok Suvarnabhumi
One-way flight from Seattle/Tacoma Intl to Bangkok Suvarnabhumi
Highest demand for flights based on searches. 15% potential increase in price ($157 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
Average for round-trip flights in January 2026

Find flight deals from Seattle to Suvarnabhumi

Cheapest flights from Seattle to Suvarnabhumi
Explore the most affordable flight options available from Seattle to Suvarnabhumi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 11, 2026.

This oojo deal was found by Cheapflights users on 1/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1010:15 amSEA - BKK
1 stop32h 00mSingapore Airlines
Mon 4/208:10 pmBKK - SEA
1 stop26h 35mSingapore Airlines
Deal found 1/9$650
This FlightHub deal was found by Cheapflights users on 1/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/198:45 amSEA - BKK
1 stop20h 15mSingapore Airlines
Fri 3/69:10 pmBKK - SEA
1 stop25h 00mSingapore Airlines
Deal found 1/9$651
This FlightHub deal was found by Cheapflights users on 1/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/78:45 amSEA - BKK
1 stop43h 00mSingapore Airlines
Fri 3/139:10 pmBKK - SEA
1 stop25h 00mSingapore Airlines
Deal found 1/11$652
This Justfly.com deal was found by Cheapflights users on 1/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/18:45 amSEA - BKK
1 stop32h 40mSingapore Airlines
Mon 3/96:25 pmBKK - SEA
1 stop27h 45mSingapore Airlines
Deal found 1/9$653
This FlightHub deal was found by Cheapflights users on 1/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/3112:10 amSEA - BKK
1 stop20h 05mAsiana Airlines
Thu 2/1211:55 pmBKK - SEA
1 stop29h 00mAsiana Airlines
Deal found 1/9$656
This FlightHub deal was found by Cheapflights users on 1/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/912:55 amSEA - BKK
1 stop32h 15mAsiana Airlines
Sat 4/181:20 amBKK - SEA
1 stop27h 35mAsiana Airlines
Deal found 1/9$657
This oojo deal was found by Cheapflights users on 1/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3010:15 amSEA - BKK
1 stop19h 45mSingapore Airlines
Sat 5/309:15 pmBKK - SEA
1 stop25h 30mSingapore Airlines
Deal found 1/9$660
This Kiwi.com deal was found by Cheapflights users on 1/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/3112:10 amSEA - BKK
1 stop30h 50mAsiana Airlines
Sun 3/112:20 pmBKK - SEA
1 stop16h 35mAsiana Airlines
Deal found 1/10$661
This Bravofly deal was found by Cheapflights users on 1/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/143:45 pmSEA - BKK
1 stop22h 25mANA
Tue 2/39:10 amBKK - SEA
1 stop19h 10mANA
Deal found 1/9$662
This FlightHub deal was found by Cheapflights users on 1/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3012:10 amSEA - BKK
1 stop31h 50mAsiana Airlines
Sun 11/811:55 pmBKK - SEA
1 stop29h 00mAsiana Airlines
Deal found 1/9$663
This Gurufare deal was found by Cheapflights users on 1/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2311:10 pmSEA - BKK
1 stop23h 00mPhilippine Airlines
Mon 10/57:30 pmBKK - SEA
1 stop38h 35mPhilippine Airlines
Deal found 1/9$664

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Suvarnabhumi 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 2,558,603 searches. Data last updated January 11, 2026.
Use the filters below to find and compare flights from Seattle to Bangkok Suvarnabhumi Airport that are best for you.

Fly from

Seattle

Fly to

Suvarnabhumi

Route

Depart

Return

Price

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Wed 3/4

11:30 am-12:45 am

1 stop22h 15m

Bangkok Suvarnabhumi

Tue 3/24

11:15 pm-2:20 pm

1 stop29h 05m

$697

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Fri 1/30

11:25 am-12:55 am

1 stop22h 30m

Bangkok Suvarnabhumi

Fri 2/13

2:05 am-1:20 pm

1 stop26h 15m

$697

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Sun 3/22

12:35 pm-12:45 am

1 stop22h 10m

Bangkok Suvarnabhumi

Mon 4/13

9:40 pm-1:07 pm

1 stop29h 27m

$697

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Tue 2/3

11:25 am-12:45 am

1 stop22h 20m

Bangkok Suvarnabhumi

Tue 2/10

12:55 am-1:20 pm

1 stop27h 25m

$697

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Fri 2/27

11:25 am-12:55 am

1 stop22h 30m

Bangkok Suvarnabhumi

Fri 3/6

2:05 am-1:20 pm

1 stop26h 15m

$697

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Sun 2/15

11:25 am-12:55 am

1 stop22h 30m

Bangkok Suvarnabhumi

Mon 3/16

12:55 am-2:20 pm

1 stop27h 25m

$697

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Tue 3/24

12:35 pm-12:45 am

1 stop22h 10m

Bangkok Suvarnabhumi

Thu 4/9

9:50 am-1:07 pm

1 stop17h 17m

$697

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Fri 2/27

11:25 am-11:20 pm

1 stop20h 55m

Bangkok Suvarnabhumi

Sun 3/8

9:40 am-1:20 pm

1 stop18h 40m

$697

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Mon 4/6

12:55 am-11:10 pm

1 stop32h 15m

Bangkok Suvarnabhumi

Wed 4/22

1:20 am-2:55 pm

1 stop27h 35m

$701

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Tue 2/3

11:00 am-1:25 pm

1 stop35h 25m

Bangkok Suvarnabhumi

Sun 3/1

2:05 am-9:00 am

1 stop21h 55m

$701

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/9

Showing 1-10 of 24 results
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Compare providers for flights from Seattle to Suvarnabhumi

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Suvarnabhumi in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
OvagoPrice Accuracy2 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
GurufarePrice Accuracy2 starsTrust Score*3 stars
GotogatePrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Bangkok Suvarnabhumi Airport flights, users find the pricing of Justfly.com to be most consistent on Cheapflights vs. Justfly.com Users can find the same prices on Seattle-Bangkok Suvarnabhumi Airport flight deals on Cheapflights vs. Justfly.com >95% of the time. Price accuracy is based on data collected from Seattle-Bangkok Suvarnabhumi Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Bangkok Suvarnabhumi Airport flights, Cheapflights users trust Justfly.com the most. Justfly.com has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Bangkok Suvarnabhumi Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to Suvarnabhumi

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

Cheapflights Insights

Everything you need to know about your flight from Seattle to Bangkok Suvarnabhumi Airport

How far ahead should I book a flight from Seattle to Bangkok Suvarnabhumi Airport?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Suvarnabhumi. Price data was last updated on January 9, 2026.

The best time to book flights from Seattle to Bangkok Suvarnabhumi Airport is 74 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Seattle to Bangkok Suvarnabhumi Airport?

Currently, February is the cheapest month in which you can book a flight from Seattle to Bangkok Suvarnabhumi Airport (average of $516). Flying from Seattle to Bangkok Suvarnabhumi Airport in June is currently the most expensive (average of $897). 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.

Reviews of airlines servicing Suvarnabhumi

Get insights into the airlines that provide service to Suvarnabhumi. 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 Suvarnabhumi. Reviews last updated January 11, 2026.
See what other customers who have flown with STARLUX Airlines, EVA Air, and ANA from Seattle to Bangkok Suvarnabhumi Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

8.6

Boarding

8.9

Entertainment

8.8

Comfort

8.8

Crew

9.1

Overall

8.9

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.

Food

8.6

Boarding

8.9

Entertainment

8.8

Comfort

8.8

Crew

9.1

Overall

8.9

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.

Food

8.6

Boarding

8.9

Entertainment

8.8

Comfort

8.8

Crew

9.1

Overall

8.9

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.
8.4
Very good

Food

8.6

Boarding

8.9

Entertainment

8.8

Comfort

8.8

Crew

9.1

Overall

8.9

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.

Food

8.6

Boarding

8.9

Entertainment

8.8

Comfort

8.8

Crew

9.1

Overall

8.9

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.

Food

8.6

Boarding

8.9

Entertainment

8.8

Comfort

8.8

Crew

9.1

Overall

8.9

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Suvarnabhumi. 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 Bangkok Suvarnabhumi?

    Seattle/Tacoma Intl (SEA) is the airport you will fly out of if you book a flight from Seattle to Bangkok Suvarnabhumi. You should not have trouble finding flights to Bangkok Suvarnabhumi from Seattle/Tacoma Intl; the airport handles an average of 0 outbound flights to Bangkok Suvarnabhumi per day. You should also have plenty of airline options to choose from since 16 airlines have flights from the Seattle airport to Bangkok Suvarnabhumi. It is only a 11.4 mi journey to Seattle/Tacoma Intl (SEA) from Seattle’s city center.

  • How long is the flight from Seattle to Bangkok Suvarnabhumi Airport?

    Airlines like Delta fly from Seattle to Bangkok Suvarnabhumi Airport in about 22h 15m. The time it takes to get you to your destination can typically vary by up to . Seattle and Bangkok Suvarnabhumi Airport are separated by a distance of 7443 mi.

  • What are the cheapest airlines flying from Seattle to Bangkok Suvarnabhumi Airport round-trip?

    According to our current data, Philippine Airlines ($154), Singapore Airlines ($517), and Asiana Airlines ($612) offers the cheapest pricing from Seattle to Bangkok Suvarnabhumi Airport. These flights start at 82% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Seattle to Bangkok Suvarnabhumi Airport one-way?

    The cheapest airlines for a one-way flight from Seattle to Bangkok Suvarnabhumi Airport are Singapore Airlines ($280), Philippine Airlines ($301), and Asiana Airlines ($348).

  • Where are the most common layover locations when flying from Seattle to Bangkok Suvarnabhumi Airport?

  • What are some popular things to do or see while on a layover in Taipei City?

    Taipei 101, Shilin Night Market, and Raohe Street Night Market are currently the most popular points of interest in Taipei City at the moment. Those on a layover in Taipei City interested in visiting Taipei 101, Shilin Night Market, or Raohe Street Night Market can do so by traveling 21.0 mi, 18.3 mi, and 21.6 mi, respectively from Taipei City Taiwan Taoyuan Intl. Those looking to explore during their layover in Taipei City can rent a car from Taipei City Taiwan Taoyuan Intl for about $74 per day.

  • What are some popular points of interest to see during a layover in Seoul?

    Seoul travelers tend to visit Dongdaemun Market, Lotte World, and Bukchon Hanok Village more than any other notable places. Dongdaemun Market, Lotte World and Bukchon Hanok Village are located about 31.6 mi, 35.7 mi, and 30.6 mi, respectively from Incheon Intl if you are interested in checking them out. Those looking to explore during their layover in Seoul can rent a car from Incheon Intl for about $46 per day.

  • What are points of interest worth seeing during a layover in Tokyo?

    Akihabara Electric Town, Tsukiji Outer Market, and Tokyo Tower are currently the most popular points of interest in Tokyo. Those on a layover in Tokyo interested in visiting Akihabara Electric Town, Tsukiji Outer Market, or Tokyo Tower can do so by traveling 10.3 mi, 7.9 mi, and 7.9 mi, respectively from Tokyo Haneda. Those on a layover in Tokyo in need of a rental car can book one at Tokyo Haneda for about $59.

  • Where are the least popular layover locations for Seattle to Bangkok Suvarnabhumi Airport flights?

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Seattle to Bangkok Suvarnabhumi Airport?

    Currently, February is the cheapest month in which you can book a flight from Seattle to Bangkok Suvarnabhumi Airport (average of $516). Flying from Seattle to Bangkok Suvarnabhumi Airport in June is currently the most expensive (average of $897). 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

Traveling to a place near Bangkok Suvarnabhumi Airport?

Book flights to Bangkok Suvarnabhumi Airport if you plan to visit one of these locations
Sattahip
Kanchanaburi
Chonburi
Cha-am
Ko Samet
Pak Chong
Ko Lan

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Top 10 airlines flying from Seattle to Suvarnabhumi

Discover the top 10 airlines that operate flights from Seattle to Suvarnabhumi. 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 2,558,603 searches. Data last updated January 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
Philippine AirlinesCheapest$154Average$701FlexibilityNo cancel feeOn-time60%
Singapore AirlinesCheapest$517Average$705FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$613Average$687FlexibilityNo cancel feeOn-time76%
DeltaCheapest$648Average$879FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$669Average$750FlexibilityNo cancel feeOn-time81%
ANACheapest$684Average$884FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$700Average$912FlexibilityNo cancel feeOn-time69%
China AirlinesCheapest$733Average$824FlexibilityNo cancel feeOn-time70%
Cathay PacificCheapest$735Average$880FlexibilityNo cancel feeOn-time72%
STARLUX AirlinesCheapest$740Average$855FlexibilityNo cancel feeOn-timeN/A

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