Washington

$457+ Cheap flights from Bangkok to Washington

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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — SEA
Apr 27 — May 41
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Bangkok to Washington with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Bangkok to Washington

Keep the following information in mind while searching for Bangkok to Washington flight deals. Data was last updated April 22, 2025.

Round-trip from

$635
(oojo)

One-way from

$457
(Kiwi.com)

Popular in

January

Cheapest in

November

Average price

$913
From Bangkok to Washington
One-way flight from Bangkok to Washington
Highest demand for flights based on searches. 2% potential increase in price ($27 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
Average for round-trip flights in April 2025

Find flight deals from Bangkok to Washington

Cheapest flights from Bangkok to Washington
Explore the most affordable flight options available from Bangkok to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.

This oojo deal was found by Cheapflights users on 4/22. 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 9/166:40 pmBKK - SEA
1 stop38h 35mPhilippine Airlines
Wed 10/811:35 pmSEA - BKK
1 stop32h 50mPhilippine Airlines
Deal found 4/22$635
This Gotogate deal was found by Cheapflights users on 4/21. 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.
Mon 5/122:40 amBKK - SEA
1 stop30h 50mChina Airlines
Sun 5/181:10 amSEA - BKK
1 stop34h 15mChina Airlines
Deal found 4/21$793
This oojo deal was found by Cheapflights users on 4/22. 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 11/15:10 pmBKK - SEA
1 stop16h 00mEVA Air
Wed 11/1212:10 amSEA - BKK
1 stop20h 20mEVA Air
Deal found 4/22$825
This Mytrip deal was found by Cheapflights users on 4/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1212:05 amBKK - SEA
2 stops32h 28mMultiple Airlines
Mon 5/195:30 amSEA - BKK
2 stops27h 05mMultiple Airlines
Deal found 4/21$835
This iWofly deal was found by Cheapflights users on 4/21. 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/45:50 pmBKK - SEA
1 stop36h 20mSTARLUX Airlines
Sun 10/121:15 amSEA - BKK
1 stop20h 45mSTARLUX Airlines
Deal found 4/21$849
This Delta deal was found by Cheapflights users on 4/21. 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.
Mon 6/22:35 amBKK - SEA
1 stop25h 05mDelta
Fri 6/2712:55 pmSEA - BKK
1 stop18h 50mDelta
Deal found 4/21$854
This FlightHub deal was found by Cheapflights users on 4/21. 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.
Mon 6/21:20 amBKK - SEA
1 stop25h 10mAsiana Airlines
Sat 6/282:15 pmSEA - BKK
1 stop18h 55mAsiana Airlines
Deal found 4/21$874
This United Airlines deal was found by Cheapflights users on 4/21. 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 4/237:00 amBKK - SEA
2 stops21h 18mUnited Airlines
Wed 5/74:30 pmSEA - BKK
1 stop22h 05mUnited Airlines
Deal found 4/21$894
This FlightHub deal was found by Cheapflights users on 4/22. 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.
Sun 5/1112:25 amBKK - SEA
2 stops36h 36mJapan Airlines
Mon 6/168:41 amSEA - BKK
2 stops24h 19mJapan Airlines
Deal found 4/22$900
This KAYAK deal was found by Cheapflights users on 4/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/152:35 amBKK - SEA
1 stop22h 05mKorean Air
Sat 11/811:00 amSEA - BKK
1 stop19h 30mKorean Air
Deal found 4/21$919
This Gurufare deal was found by Cheapflights users on 4/21. 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.
Fri 5/27:00 amBKK - SEA
2 stops22h 58mANA
Mon 5/54:30 pmSEA - BKK
1 stop22h 05mANA
Deal found 4/21$926
This China Airlines deal was found by Cheapflights users on 4/21. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/92:40 amBKK - PDX
2 stops31h 51mMultiple Airlines
Tue 10/289:30 pmPDX - BKK
2 stops22h 20mMultiple Airlines
Deal found 4/21$931

Cheapflights Fare Finder

Customize your flight search to find flights from Bangkok to Washington 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 April 22, 2025.
Use the filters below to find and compare flights from Bangkok to Washington that are best for you.

Fly from

Bangkok

Fly to

Washington

Route

Depart

Return

Price

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Tue 9/16

6:40 pm-7:15 pm

1 stop38h 35m

Seattle/Tacoma Intl

Wed 10/8

11:35 pm-10:25 pm

1 stop32h 50m

$635

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Mon 5/12

2:40 am-7:30 pm

1 stop30h 50m

Seattle/Tacoma Intl

Sun 5/18

1:10 am-1:25 am

1 stop34h 15m

$793

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Tue 9/16

4:45 pm-7:30 pm

1 stop16h 45m

Seattle/Tacoma Intl

Tue 10/7

12:30 am-1:05 pm

1 stop22h 35m

$825

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Mon 5/12

12:05 am-6:33 pm

2 stops32h 28m

Seattle/Tacoma Intl

Mon 5/19

5:30 am-10:35 pm

2 stops27h 05m

$835

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sat 10/4

5:50 pm-4:10 pm

1 stop36h 20m

Seattle/Tacoma Intl

Sun 10/12

1:15 am-12:00 pm

1 stop20h 45m

$849

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Mon 6/2

2:35 am-1:40 pm

1 stop25h 05m

Seattle/Tacoma Intl

Fri 6/27

12:55 pm-9:45 pm

1 stop18h 50m

$854

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Mon 6/2

1:20 am-12:30 pm

1 stop25h 10m

Seattle/Tacoma Intl

Sat 6/28

2:15 pm-11:10 pm

1 stop18h 55m

$874

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sun 5/11

12:25 am-11:01 pm

2 stops36h 36m

Seattle/Tacoma Intl

Mon 6/16

8:41 am-11:00 pm

2 stops24h 19m

$900

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Wed 10/15

2:35 am-10:40 am

1 stop22h 05m

Seattle/Tacoma Intl

Sat 11/8

11:00 am-9:30 pm

1 stop19h 30m

$919

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Fri 5/2

7:00 am-3:58 pm

2 stops22h 58m

Seattle/Tacoma Intl

Mon 5/5

4:30 pm-4:35 am

1 stop22h 05m

$926

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Bangkok to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Bangkok 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 Bangkok to Washington

What is the cheapest month to book a flight from Bangkok to State of Washington?

Currently, January is the cheapest month in which you can book a flight from Bangkok to State of Washington (average of $238). Flying from Bangkok to State of Washington in July is currently the most expensive (average of $411). 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 BKK to WA?

Find hourly flight availability from Bangkok to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 22, 2025.

When flying from Bangkok to State of Washington, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Washington by month

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

In terms of precipitation, rainfall in State of Washington ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit State of Washington when rainfall is around 0.7 in.

Temperature in Washington by month

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

If weather is an important factor for your trip to State of Washington, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated April 22, 2025.
To help decide which airline to fly from Bangkok to Washington, see what other customers have to say about STARLUX Airlines, EVA Air and Korean Air. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

9.0

Food

8.9

Boarding

9.0

Overall

9.1

Crew

9.3

Entertainment

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.

Comfort

9.0

Food

8.9

Boarding

9.0

Overall

9.1

Crew

9.3

Entertainment

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.

Comfort

9.0

Food

8.9

Boarding

9.0

Overall

9.1

Crew

9.3

Entertainment

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.

Comfort

9.0

Food

8.9

Boarding

9.0

Overall

9.1

Crew

9.3

Entertainment

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.

Comfort

9.0

Food

8.9

Boarding

9.0

Overall

9.1

Crew

9.3

Entertainment

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.

Comfort

9.0

Food

8.9

Boarding

9.0

Overall

9.1

Crew

9.3

Entertainment

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.

Related info for your journey

Find useful and relevant information for your journey from Bangkok to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines to fly from Bangkok to State of Washington one-way?

    For one-way options, check prices for Philippine Airlines. According to our data, you can fly for as low as $472. Users have also found prices from $483 and $509 on Singapore Airlines and China Airlines, respectively.

  • What are the most popular routes from Bangkok to State of Washington?

  • Can I find deals for flights from Bangkok to Washington that include hotel bookings?

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

  • How can I find direct flights from Bangkok to Washington?

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

  • Can I find deals for business class flights from Bangkok to Washington?

    Yes. Cheapflights offers flight deals from Bangkok to Washington 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 Bangkok to State of Washington?

    Currently, January is the cheapest month in which you can book a flight from Bangkok to State of Washington (average of $238). Flying from Bangkok to State of Washington in July is currently the most expensive (average of $411). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Bangkok to Washington

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

Top 10 airlines flying from Bangkok to Washington

Discover the top 10 airlines that operate flights from Bangkok to Washington. 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 April 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
Philippine AirlinesCheapest$551Average$641FlexibilityNo cancel feeOn-time60%
Asiana AirlinesCheapest$649Average$858FlexibilityNo cancel feeOn-time76%
China AirlinesCheapest$793Average$868FlexibilityNo cancel feeOn-time70%
STARLUX AirlinesCheapest$796Average$955FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$803Average$965FlexibilityNo cancel feeOn-time81%
DeltaCheapest$829Average$986FlexibilityNo cancel feeOn-timeN/A
EVA AirCheapest$831Average$1,026FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$856Average$966FlexibilityNo cancel feeOn-time69%
ANACheapest$867Average$1,098FlexibilityNo cancel feeOn-time80%
American AirlinesCheapest$919Average$1,048FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.