Suvarnabhumi

$367+ 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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BKK
dic. 5 — dic. 121
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Bangkok Suvarnabhumi are usually found in September or February, booked 75 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

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 noviembre 5, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$675
(FlightHub)

One-way from

$367
(oojo)

Popular in

June

Cheapest in

September

Average price

$833
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. 14% potential increase in price ($151 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
Average for round-trip flights in November 2025

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 noviembre 5, 2025.

This FlightHub deal was found by Cheapflights users on 11/5. 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.
mié. 11/129:30 pmSEA - BKK
1 stop23h 30mPhilippine Airlines
mar. 11/186:45 pmBKK - SEA
1 stop38h 55mPhilippine Airlines
Deal found 11/5$675
This flugladen.de deal was found by Cheapflights users on 11/5. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/1311:00 amSEA - BKK
1 stop35h 25mKorean Air
mié. 11/269:30 pmBKK - SEA
1 stop26h 30mKorean Air
Deal found 11/5$677
This Gotogate deal was found by Cheapflights users on 11/5. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/1310:05 amSEA - BKK
2 stops41h 00mHainan Airlines
mié. 11/2611:10 amBKK - SEA
2 stops35h 55mHainan Airlines
Deal found 11/5$678
This Gotogate deal was found by Cheapflights users on 11/5. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/1311:00 amSEA - BKK
1 stop35h 25mMultiple Airlines
mié. 11/2612:20 pmBKK - SEA
1 stop35h 40mMultiple Airlines
Deal found 11/5$681
This Gurufare deal was found by Cheapflights users on 11/4. 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.
mié. 11/129:30 pmSEA - BKK
1 stop23h 30mPhilippine Airlines
jue. 12/111:20 pmBKK - SEA
1 stop20h 20mPhilippine Airlines
Deal found 11/4$683
This SmartFares deal was found by Cheapflights users on 11/5. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/2010:05 amSEA - BKK
1 stop33h 35mHainan Airlines
mié. 12/107:10 pmBKK - SEA
2 stops27h 55mHainan Airlines
Deal found 11/5$686
This oojo deal was found by Cheapflights users on 11/5. 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.
mar. 11/1110:00 amSEA - BKK
1 stop37h 10mHainan Airlines
mié. 11/197:10 pmBKK - SEA
2 stops27h 55mHainan Airlines
Deal found 11/5$687
This Gotogate deal was found by Cheapflights users on 11/5. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/3010:00 amSEA - BKK
1 stop22h 25mHainan Airlines
vie. 1/301:05 amBKK - SEA
1 stop21h 55mHainan Airlines
Deal found 11/5$689
This CrystalTravel deal was found by Cheapflights users on 11/4. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/13:40 pmSEA - BKK
1 stop23h 50mANA
mar. 12/97:10 amBKK - SEA
2 stops28h 50mANA
Deal found 11/4$690
This FlightHub deal was found by Cheapflights users on 11/4. 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.
lun. 11/2412:10 amSEA - BKK
1 stop30h 50mAsiana Airlines
vie. 12/511:55 pmBKK - SEA
1 stop29h 00mAsiana Airlines
Deal found 11/4$693
This oojo deal was found by Cheapflights users on 11/4. 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.
jue. 11/610:05 amSEA - BKK
1 stop33h 35mHainan Airlines
lun. 11/174:15 pmBKK - SEA
1 stop30h 45mHainan Airlines
Deal found 11/4$694
This Delta deal was found by Cheapflights users on 11/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/3011:15 amSEA - BKK
1 stop22h 40mDelta
mar. 12/162:05 amBKK - SEA
1 stop26h 15mDelta
Deal found 11/3$695

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 noviembre 5, 2025.
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

mié. 3/4

11:30 am-11:20 pm

1 stop20h 50m

Bangkok Suvarnabhumi

lun. 4/27

9:50 am-2:00 pm

1 stop18h 10m

$695

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

dom. 1/25

11:00 am-12:45 am

1 stop22h 45m

Bangkok Suvarnabhumi

dom. 2/8

9:40 am-9:00 am

1 stop38h 20m

$698

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

sáb. 2/21

11:00 am-12:45 am

1 stop22h 45m

Bangkok Suvarnabhumi

dom. 3/8

9:40 am-9:00 am

1 stop38h 20m

$698

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

mié. 4/1

12:50 pm-11:40 pm

1 stop20h 50m

Bangkok Suvarnabhumi

sáb. 4/25

9:50 am-10:40 am

1 stop38h 50m

$698

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

dom. 11/16

9:30 pm-11:00 pm

1 stop34h 30m

Bangkok Suvarnabhumi

mié. 11/19

1:20 pm-6:40 pm

1 stop20h 20m

$702

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

mar. 1/13

7:15 am-12:55 am

2 stops26h 40m

Bangkok Suvarnabhumi

vie. 3/13

9:40 am-10:00 am

1 stop38h 20m

$704

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

mié. 4/8

7:20 am-11:40 pm

2 stops26h 20m

Bangkok Suvarnabhumi

sáb. 4/25

9:50 am-9:51 pm

2 stops26h 01m

$715

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

lun. 1/19

3:45 pm-6:30 am

1 stop23h 45m

Bangkok Suvarnabhumi

jue. 1/29

9:10 am-1:20 pm

1 stop19h 10m

$727

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

mié. 12/31

11:00 am-12:55 am

1 stop22h 55m

Bangkok Suvarnabhumi

jue. 1/22

2:05 am-9:00 am

1 stop21h 55m

$739

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

dom. 11/16

9:30 pm-11:00 pm

1 stop34h 30m

Bangkok Suvarnabhumi

jue. 11/20

11:50 pm-6:40 pm

1 stop33h 50m

$742

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

Showing 1-10 of 19 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 November.
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 October 31, 2025.

The best time to book flights from Seattle to Bangkok Suvarnabhumi Airport is 75 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 $532). Flying from Seattle to Bangkok Suvarnabhumi Airport in June is currently the most expensive (average of $993). 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.

What is the cheapest time of day to fly from SEA to BKK?

Find hourly flight availability from Seattle to Suvarnabhumi. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated noviembre 5, 2025.

A simple way to save on the total cost of your ticket is to fly from Seattle to Bangkok Suvarnabhumi Airport in the morning. If you’re flexible enough to do this you can expect to save up to 8% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from Seattle to Bangkok Suvarnabhumi Airport?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Suvarnabhumi. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Seattle to Bangkok Suvarnabhumi Airport flight should consider departing on Tuesday evenings when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 noviembre 5, 2025.
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

8.7

Entertainment

8.8

Overall

8.9

Boarding

8.9

Crew

9.2

Comfort

8.9

Reviews

1 / 8
10.0
Excellent

Anonymous,Sep 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!

Food

8.7

Entertainment

8.8

Overall

8.9

Boarding

8.9

Crew

9.2

Comfort

8.9

Reviews

1 / 8
10.0
Excellent

Anonymous,Sep 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!

Food

8.7

Entertainment

8.8

Overall

8.9

Boarding

8.9

Crew

9.2

Comfort

8.9

Reviews

1 / 8
10.0
Excellent

Anonymous,Sep 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!
8.4
Very good

Food

8.7

Entertainment

8.8

Overall

8.9

Boarding

8.9

Crew

9.2

Comfort

8.9

Reviews

1 / 8
10.0
Excellent

Anonymous,Sep 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!

Food

8.7

Entertainment

8.8

Overall

8.9

Boarding

8.9

Crew

9.2

Comfort

8.9

Reviews

1 / 8
10.0
Excellent

Anonymous,Sep 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!

Food

8.7

Entertainment

8.8

Overall

8.9

Boarding

8.9

Crew

9.2

Comfort

8.9

Reviews

1 / 8
10.0
Excellent

Anonymous,Sep 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!

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 17 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 and Korean Air fly from Seattle to Bangkok Suvarnabhumi Airport in about 20h 50m. The time it takes to get you to your destination can typically vary by up to 1h 55m. Seattle and Bangkok Suvarnabhumi Airport are separated by a distance of 7443 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    According to our current data, Delta ($433), Singapore Airlines ($525), and Philippine Airlines ($609) offers the cheapest pricing from Seattle to Bangkok Suvarnabhumi Airport. These flights start at 51% lower than the current average price 3 months from now.

  • 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 $72 per day.

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

    Seoul travelers tend to visit Lotte World, Dongdaemun Market, and Bukchon Hanok Village more than any other notable places. Lotte World, Dongdaemun Market and Bukchon Hanok Village are located about 35.7 mi, 31.6 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 $65 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 $57.

  • 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 $532). Flying from Seattle to Bangkok Suvarnabhumi Airport in June is currently the most expensive (average of $993). 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 noviembre 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$433Average$890FlexibilityNo cancel feeOn-timeN/A
Singapore AirlinesCheapest$525Average$720FlexibilityNo cancel feeOn-time81%
Philippine AirlinesCheapest$609Average$711FlexibilityNo cancel feeOn-time60%
Asiana AirlinesCheapest$618Average$694FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$670Average$752FlexibilityNo cancel feeOn-time81%
ANACheapest$703Average$887FlexibilityNo cancel feeOn-time80%
Cathay PacificCheapest$735Average$798FlexibilityNo cancel feeOn-time72%
STARLUX AirlinesCheapest$739Average$861FlexibilityNo cancel feeOn-timeN/A
China AirlinesCheapest$741Average$837FlexibilityNo cancel feeOn-time70%
China EasternCheapest$754Average$903FlexibilityNo cancel feeOn-time62%

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