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$273+ Cheap flights from Bangkok to Washington

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — SEA
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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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 29, 2025.

Round-trip from

$658
(oojo)

One-way from

$429
(Kiwi.com)

Popular in

January

Cheapest in

November

Average price

$913
From Bangkok to Washington
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One-way flight from Bangkok to Washington
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($28 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 29, 2025.

This Vakatrip deal was found by Cheapflights users on 4/29. 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 Vakatrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/32:40 amBKK - SEA
1 stop31h 05mMultiple Airlines
Mon 8/111:20 pmSEA - BKK
1 stop18h 25mMultiple Airlines
Deal found 4/29$273
This Vakatrip deal was found by Cheapflights users on 4/29. 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 Vakatrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/45:50 pmBKK - SEA
1 stop36h 45mSTARLUX Airlines
Sun 8/101:15 amSEA - BKK
1 stop20h 45mSTARLUX Airlines
Deal found 4/29$396
This Vakatrip deal was found by Cheapflights users on 4/29. 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 Vakatrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/32:40 amBKK - SEA
1 stop31h 05mChina Airlines
Sun 8/101:40 amSEA - BKK
1 stop18h 05mChina Airlines
Deal found 4/29$400
This oojo deal was found by Cheapflights users on 4/28. 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 9/1611:20 pmBKK - SEA
1 stop33h 55mPhilippine Airlines
Wed 10/811:35 pmSEA - BKK
1 stop22h 40mPhilippine Airlines
Deal found 4/28$634
This Justfly.com deal was found by Cheapflights users on 4/28. 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.
Mon 6/162:35 amBKK - SEA
1 stop22h 15mKorean Air
Tue 9/912:50 pmSEA - BKK
1 stop18h 55mKorean Air
Deal found 4/28$815
This oojo deal was found by Cheapflights users on 4/29. 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.
Mon 6/2312:25 pmBKK - SEA
1 stop21h 05mEVA Air
Mon 7/142:10 amSEA - BKK
1 stop20h 55mEVA Air
Deal found 4/29$824
This Delta deal was found by Cheapflights users on 4/28. 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.
Tue 6/311:30 pmBKK - SEA
1 stop28h 10mDelta
Fri 6/2712:55 pmSEA - BKK
1 stop18h 50mDelta
Deal found 4/28$848
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Tue 6/247:00 amBKK - SEA
2 stops28h 11mUnited Airlines
Tue 7/154:30 pmSEA - BKK
1 stop22h 05mUnited Airlines
Deal found 4/29$888
This FlightHub deal was found by Cheapflights users on 4/29. 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 6/231:20 amBKK - SEA
1 stop25h 10mAsiana Airlines
Tue 7/152:30 pmSEA - BKK
1 stop18h 40mAsiana Airlines
Deal found 4/29$909
This KAYAK deal was found by Cheapflights users on 4/28. 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 4/3012:25 amBKK - SEA
2 stops36h 24mJapan Airlines
Sat 5/38:13 amSEA - BKK
2 stops24h 47mJapan Airlines
Deal found 4/28$919
This FlightHub deal was found by Cheapflights users on 4/29. 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 6/15:50 pmBKK - PDX
2 stops42h 30mSTARLUX Airlines
Mon 6/309:59 pmPDX - BKK
2 stops24h 01mSTARLUX Airlines
Deal found 4/29$926
This FlightHub deal was found by Cheapflights users on 4/28. 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.
Wed 9/179:35 amBKK - SEA
2 stops23h 01mANA
Wed 10/81:45 pmSEA - BKK
2 stops26h 15mANA
Deal found 4/28$978

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 29, 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

Sun 8/3

2:40 am-7:45 pm

1 stop31h 05m

Seattle/Tacoma Intl

Mon 8/11

1:20 pm-9:45 pm

1 stop18h 25m

$273

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Mon 8/4

5:50 pm-4:35 pm

1 stop36h 45m

Seattle/Tacoma Intl

Sun 8/10

1:15 am-12:00 pm

1 stop20h 45m

$396

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sun 8/3

2:40 am-7:45 pm

1 stop31h 05m

Seattle/Tacoma Intl

Sun 8/10

1:40 am-9:45 am

1 stop18h 05m

$400

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Tue 9/16

11:20 pm-7:15 pm

1 stop33h 55m

Seattle/Tacoma Intl

Wed 10/8

11:35 pm-12:15 pm

1 stop22h 40m

$634

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Mon 6/16

2:35 am-10:50 am

1 stop22h 15m

Seattle/Tacoma Intl

Tue 9/9

12:50 pm-9:45 pm

1 stop18h 55m

$815

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Mon 6/23

12:25 pm-7:30 pm

1 stop21h 05m

Seattle/Tacoma Intl

Mon 7/14

2:10 am-1:05 pm

1 stop20h 55m

$824

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Tue 6/3

11:30 pm-1:40 pm

1 stop28h 10m

Seattle/Tacoma Intl

Fri 6/27

12:55 pm-9:45 pm

1 stop18h 50m

$848

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Tue 6/24

7:00 am-9:11 pm

2 stops28h 11m

Seattle/Tacoma Intl

Tue 7/15

4:30 pm-4:35 am

1 stop22h 05m

$888

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Mon 6/23

1:20 am-12:30 pm

1 stop25h 10m

Seattle/Tacoma Intl

Tue 7/15

2:30 pm-11:10 pm

1 stop18h 40m

$909

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Sun 6/1

5:50 pm-10:20 pm

2 stops42h 30m

Portland

Mon 6/30

9:59 pm-12:00 pm

2 stops24h 01m

$926

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 56 results
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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 $405). 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 29, 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 29, 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.
STARLUX Airlines
9.1
Wonderful
161 reviews

Comfort

9.0

Crew

9.3

Entertainment

9.0

Overall

9.1

Boarding

9.0

Food

8.9

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.
STARLUX Airlines
9.1
Wonderful
161 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Comfort

9.0

Crew

9.3

Entertainment

9.0

Overall

9.1

Boarding

9.0

Food

8.9

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.
EVA Air
8.4
Very good
1,186 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Comfort

9.0

Crew

9.3

Entertainment

9.0

Overall

9.1

Boarding

9.0

Food

8.9

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.
Korean Air
8.4
Very good
1,066 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Comfort

9.0

Crew

9.3

Entertainment

9.0

Overall

9.1

Boarding

9.0

Food

8.9

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.
Japan Airlines
8.3
Very good
1,459 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Comfort

9.0

Crew

9.3

Entertainment

9.0

Overall

9.1

Boarding

9.0

Food

8.9

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.
China Airlines
8.3
Very good
732 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Comfort

9.0

Crew

9.3

Entertainment

9.0

Overall

9.1

Boarding

9.0

Food

8.9

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 China Airlines. According to our data, you can fly for as low as $510. Users have also found prices from $511 and $544 on STARLUX Airlines and Korean Air, respectively.

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

    When deciding which route to take from Bangkok to State of Washington consider Bangkok Suvarnabhumi - Seattle/Tacoma Intl, Bangkok Suvarnabhumi - Portland or Bangkok Don Mueang Intl - Seattle/Tacoma Intl as they are the most popular.

  • 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 $405). 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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Alternative routes for Bangkok to Washington

See prices for flight routes from nearby airports that may be better suited for you.
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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 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Philippine AirlinesCheapest$551Average$641FlexibilityNo cancel feeOn-time60%
Asiana AirlinesCheapest$649Average$841FlexibilityNo 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$1,023FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$856Average$961FlexibilityNo cancel feeOn-time69%
ANACheapest$867Average$1,093FlexibilityNo cancel feeOn-time80%
Japan AirlinesCheapest$922Average$1,041FlexibilityNo cancel feeOn-time79%

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