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Suvarnabhumi

$393+ 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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BKK
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Bangkok Suvarnabhumi are usually found in February or March, booked 61 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 June 12, 2025.

Round-trip from

$767
(FlightHub)

One-way from

$393
(Mytrip)

Popular in

December

Cheapest in

February

Average price

$1,195
From Seattle/Tacoma Intl to Bangkok Suvarnabhumi
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One-way flight from Seattle/Tacoma Intl to Bangkok Suvarnabhumi
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Highest demand for flights based on searches. 6% potential increase in price ($66 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 12, 2025.

This STARLUX Airlines deal was found by Cheapflights users on 6/12. 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 STARLUX Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1411:45 pmSEA - BKK
1 stop25h 45mSTARLUX Airlines
Mon 12/81:45 pmBKK - SEA
1 stop16h 20mSTARLUX Airlines
Deal found 6/12$768
This FlightHub deal was found by Cheapflights users on 6/11. 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.
Thu 8/288:08 amSEA - BKK
2 stops24h 52mJapan Airlines
Thu 9/118:05 amBKK - SEA
2 stops20h 49mJapan Airlines
Deal found 6/11$772
This oojo deal was found by Cheapflights users on 6/12. 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.
Sat 9/132:15 pmSEA - BKK
1 stop18h 55mAsiana Airlines
Sat 9/201:20 amBKK - SEA
1 stop25h 10mAsiana Airlines
Deal found 6/12$774
This Gotogate deal was found by Cheapflights users on 6/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2610:00 amSEA - BKK
2 stops28h 35mANA
Mon 9/19:35 pmBKK - SEA
1 stop30h 50mANA
Deal found 6/11$780
This Korean Air deal was found by Cheapflights users on 6/10. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1211:00 amSEA - BKK
1 stop19h 30mKorean Air
Sun 12/71:00 amBKK - SEA
1 stop23h 00mKorean Air
Deal found 6/10$783
This oojo deal was found by Cheapflights users on 6/12. 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.
Tue 8/121:40 amSEA - BKK
1 stop18h 05mChina Airlines
Sun 8/312:40 amBKK - SEA
1 stop31h 05mChina Airlines
Deal found 6/12$784
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/134:30 pmSEA - BKK
1 stop22h 05mUnited Airlines
Thu 9/49:35 amBKK - SEA
1 stop18h 50mUnited Airlines
Deal found 6/10$785
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1612:55 pmSEA - BKK
1 stop20h 30mDelta
Mon 9/89:40 pmBKK - SEA
1 stop30h 00mDelta
Deal found 6/11$815
This CheapOair deal was found by Cheapflights users on 6/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/132:15 pmSEA - BKK
1 stop30h 40mMultiple Airlines
Sat 9/276:40 pmBKK - SEA
1 stop38h 35mMultiple Airlines
Deal found 6/11$817
This oojo deal was found by Cheapflights users on 6/12. 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.
Tue 9/1612:30 amSEA - BKK
1 stop20h 40mEVA Air
Tue 10/71:35 amBKK - SEA
1 stop31h 55mEVA Air
Deal found 6/12$837
This FlightHub deal was found by Cheapflights users on 6/11. 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 10/410:15 amSEA - BKK
1 stop19h 45mSingapore Airlines
Sun 10/123:30 pmBKK - SEA
2 stops32h 25mSingapore Airlines
Deal found 6/11$888

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 June 12, 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

Fri 11/14

11:45 pm-4:30 pm

1 stop25h 45m

Bangkok Suvarnabhumi

Thu 12/11

1:45 pm-3:05 pm

1 stop16h 20m

$768

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Thu 8/28

8:08 am-11:00 pm

2 stops24h 52m

Bangkok Suvarnabhumi

Thu 9/11

8:05 am-2:54 pm

2 stops20h 49m

$772

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Sat 9/13

2:15 pm-11:10 pm

1 stop18h 55m

Bangkok Suvarnabhumi

Sat 9/20

1:20 am-12:30 pm

1 stop25h 10m

$774

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Tue 8/26

10:00 am-4:35 am

2 stops28h 35m

Bangkok Suvarnabhumi

Mon 9/1

9:35 pm-2:25 pm

1 stop30h 50m

$780

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Wed 11/12

11:00 am-12:45 am

1 stop22h 45m

Bangkok Suvarnabhumi

Sun 12/7

1:00 am-9:00 am

1 stop23h 00m

$783

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Tue 8/12

1:40 am-9:45 am

1 stop18h 05m

Bangkok Suvarnabhumi

Sun 8/31

2:40 am-7:45 pm

1 stop31h 05m

$784

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Wed 8/13

4:30 pm-4:35 am

1 stop22h 05m

Bangkok Suvarnabhumi

Thu 9/4

9:35 am-2:25 pm

1 stop18h 50m

$785

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Sat 8/16

12:55 pm-11:25 pm

1 stop20h 30m

Bangkok Suvarnabhumi

Tue 9/9

11:30 pm-1:40 pm

1 stop28h 10m

$815

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Sat 9/13

2:15 pm-10:55 am

1 stop30h 40m

Bangkok Suvarnabhumi

Sat 9/27

6:40 pm-7:15 pm

1 stop38h 35m

$817

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Tue 9/16

12:30 am-11:10 am

1 stop20h 40m

Bangkok Suvarnabhumi

Tue 10/7

1:35 am-7:30 pm

1 stop31h 55m

$837

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 27 results
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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 June 9, 2025.

The best time to book flights from Seattle to Bangkok Suvarnabhumi Airport is 61 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, March is the cheapest month in which you can book a flight from Seattle to Bangkok Suvarnabhumi Airport (average of $953). Flying from Seattle to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of $1,574). 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 June 12, 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 9% 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.

Rainfall in Suvarnabhumi by month

Plan your trip to Suvarnabhumi by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Bangkok Suvarnabhumi Airport ranges from 0.4 - 12.6 inches per month. September is typically the wettest month, when rainfall can reach 12.6 in. January is typically the driest time to visit Bangkok Suvarnabhumi Airport when rainfall is around 0.4 in.

Temperature in Suvarnabhumi by month

Plan your trip to Suvarnabhumi by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Bangkok Suvarnabhumi Airport, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 86.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 78.8 F).

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 June 12, 2025.
Peruse reviews from past customers who have flown with STARLUX Airlines, EVA Air and Korean Air from Seattle to Bangkok to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
177 reviews

Food

8.8

Entertainment

8.9

Overall

9.1

Boarding

9.0

Comfort

9.0

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
STARLUX Airlines
9.1
Wonderful
177 reviews
STARLUX Airlines
9.1
Wonderful
177 reviews

Food

8.8

Entertainment

8.9

Overall

9.1

Boarding

9.0

Comfort

9.0

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
EVA Air
8.4
Very good
1,202 reviews
STARLUX Airlines
9.1
Wonderful
177 reviews

Food

8.8

Entertainment

8.9

Overall

9.1

Boarding

9.0

Comfort

9.0

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Korean Air
8.4
Very good
1,088 reviews
STARLUX Airlines
9.1
Wonderful
177 reviews

Food

8.8

Entertainment

8.9

Overall

9.1

Boarding

9.0

Comfort

9.0

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Japan Airlines
8.3
Very good
1,489 reviews
STARLUX Airlines
9.1
Wonderful
177 reviews

Food

8.8

Entertainment

8.9

Overall

9.1

Boarding

9.0

Comfort

9.0

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
China Airlines
8.3
Very good
738 reviews
STARLUX Airlines
9.1
Wonderful
177 reviews

Food

8.8

Entertainment

8.9

Overall

9.1

Boarding

9.0

Comfort

9.0

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

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.

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

    According to our current data, ANA ($767), STARLUX Airlines ($768), and Japan Airlines ($772) offers the cheapest pricing from Seattle to Bangkok Suvarnabhumi Airport. These flights start at 19% 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 Asiana Airlines ($399), China Airlines ($405), and Korean Air ($407).

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

    Of the flights from Seattle to Bangkok Suvarnabhumi Airport that have layovers, most of them stop in Taipei City. Seoul sees the second most layovers for non-direct flights flying from Seattle to Bangkok Suvarnabhumi Airport. Tokyo follows Seoul in terms of the most frequent layover location on Seattle to Bangkok Suvarnabhumi Airport flights.

  • 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 $69 per day.

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

    Seoul travelers tend to visit Dongdaemun Market, Bukchon Hanok Village, and Lotte World more than any other notable places. Dongdaemun Market, Bukchon Hanok Village and Lotte World are located about 31.6 mi, 30.6 mi, and 35.7 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 $54 per day.

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

    Akihabara Electric Town, Ueno Koen, and Tsukiji Outer Market are currently the most popular points of interest in Tokyo. Those on a layover in Tokyo interested in visiting Akihabara Electric Town, Ueno Koen, or Tsukiji Outer Market can do so by traveling 10.3 mi, 11.5 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 $67.

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

    The least popular layover on flights from Seattle to Bangkok Suvarnabhumi Airport is Istanbul. San Francisco sees the second fewest layovers for non-direct flights flying from Seattle to Bangkok Suvarnabhumi Airport. Singapore comes next as the third least popular layover location 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, March is the cheapest month in which you can book a flight from Seattle to Bangkok Suvarnabhumi Airport (average of $953). Flying from Seattle to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of $1,574). 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.

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$433Average$986FlexibilityNo cancel feeOn-timeN/A
Singapore AirlinesCheapest$606Average$785FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$632Average$772FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$694Average$787FlexibilityNo cancel feeOn-time81%
Philippine AirlinesCheapest$708Average$756FlexibilityNo cancel feeOn-time60%
STARLUX AirlinesCheapest$739Average$893FlexibilityNo cancel feeOn-timeN/A
China EasternCheapest$755Average$872FlexibilityNo cancel feeOn-time62%
China AirlinesCheapest$758Average$865FlexibilityNo cancel feeOn-time70%
ANACheapest$759Average$924FlexibilityNo cancel feeOn-time80%
Turkish AirlinesCheapest$773Average$1,080FlexibilityNo cancel feeOn-time77%

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