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$431+ 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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — SEA
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
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 July 31, 2025.

Round-trip from

$604
(FlightHub)

One-way from

$431
(Philippine Airlines)

Popular in

January

Cheapest in

November

Average price

$1,114
From Bangkok to Washington
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One-way flight from Bangkok to Washington
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Highest demand for flights based on searches. 3% potential increase in price ($31 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 31, 2025.

This FlightHub deal was found by Cheapflights users on 7/31. 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 9/82:35 amBKK - SEA
1 stop23h 55mMultiple Airlines
Fri 9/262:15 pmSEA - BKK
1 stop20h 50mMultiple Airlines
Deal found 7/31$604
This oojo deal was found by Cheapflights users on 7/31. 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 9/96:40 pmBKK - SEA
1 stop38h 35mPhilippine Airlines
Fri 9/2611:35 pmSEA - BKK
1 stop22h 40mPhilippine Airlines
Deal found 7/31$630
This oojo deal was found by Cheapflights users on 7/31. 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 9/91:10 pmBKK - SEA
1 stop17h 00mSTARLUX Airlines
Thu 9/251:15 amSEA - BKK
1 stop20h 45mSTARLUX Airlines
Deal found 7/31$701
This Delta deal was found by Cheapflights users on 7/31. 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.
Wed 12/171:00 amBKK - PDX
2 stops33h 13mDelta
Mon 1/55:30 amPDX - BKK
2 stops28h 15mDelta
Deal found 7/31$970
This oojo deal was found by Cheapflights users on 7/30. 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.
Sun 10/51:35 amBKK - PDX
2 stops25h 53mEVA Air
Mon 10/68:50 pmPDX - BKK
2 stops24h 10mEVA Air
Deal found 7/30$1,021
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Fri 10/247:00 amBKK - PSC
2 stops42h 28mUnited Airlines
Tue 10/286:25 amPSC - BKK
2 stops27h 40mUnited Airlines
Deal found 7/30$1,036
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Thu 12/184:55 pmBKK - PDX
3 stops44h 51mUnited Airlines
Mon 1/57:30 amPDX - BKK
2 stops54h 40mUnited Airlines
Deal found 7/31$1,040
This Mytrip deal was found by Cheapflights users on 7/30. 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 8/257:30 pmDMK - SEA
2 stops29h 20mMultiple Airlines
Fri 8/295:30 amSEA - DMK
2 stops26h 45mMultiple Airlines
Deal found 7/30$1,045
This Booking.com deal was found by Cheapflights users on 7/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/68:00 amBKK - PDX
2 stops24h 46mMultiple Airlines
Mon 10/610:00 pmPDX - BKK
2 stops24h 00mMultiple Airlines
Deal found 7/30$1,054
This Booking.com deal was found by Cheapflights users on 7/31. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/188:15 amBKK - PDX
1 stop16h 00mAir Canada
Mon 1/57:45 pmPDX - BKK
2 stops43h 45mAir Canada
Deal found 7/31$1,115
This Ovago deal was found by Cheapflights users on 7/31. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/149:50 amBKK - PDX
2 stops21h 09mKorean Air
Tue 9/235:35 pmPDX - BKK
2 stops38h 10mKorean Air
Deal found 7/31$1,209
This Qatar Airways deal was found by Cheapflights users on 7/30. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/232:30 amBKK - PSC
2 stops32h 49mQatar Airways
Tue 10/288:21 amPSC - BKK
2 stops37h 54mQatar Airways
Deal found 7/30$1,218

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 July 31, 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

Mon 9/8

2:35 am-12:30 pm

1 stop23h 55m

Seattle/Tacoma Intl

Fri 9/26

2:15 pm-1:05 am

1 stop20h 50m

$604

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Tue 9/9

6:40 pm-7:15 pm

1 stop38h 35m

Seattle/Tacoma Intl

Fri 9/26

11:35 pm-12:15 pm

1 stop22h 40m

$630

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Tue 9/9

1:10 pm-4:10 pm

1 stop17h 00m

Seattle/Tacoma Intl

Thu 9/25

1:15 am-12:00 pm

1 stop20h 45m

$701

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Wed 12/17

1:00 am-7:13 pm

2 stops33h 13m

Portland

Mon 1/5

5:30 am-12:45 am

2 stops28h 15m

$970

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Sun 10/5

1:35 am-1:28 pm

2 stops25h 53m

Portland

Mon 10/6

8:50 pm-11:00 am

2 stops24h 10m

$1,021

BangkokPasco

BKK - PSC

BKKPSC

Bangkok Suvarnabhumi

Fri 10/24

7:00 am-11:28 am

2 stops42h 28m

Pasco Tri Cities

Tue 10/28

6:25 am-12:05 am

2 stops27h 40m

$1,036

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Thu 12/18

4:55 pm-10:46 pm

3 stops44h 51m

Portland

Mon 1/5

7:30 am-5:10 am

2 stops54h 40m

$1,040

BangkokSeattle

DMK - SEA

DMKSEA

Bangkok Don Mueang Intl

Mon 8/25

7:30 pm-10:50 am

2 stops29h 20m

Seattle/Tacoma Intl

Fri 8/29

5:30 am-10:15 pm

2 stops26h 45m

$1,045

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Mon 10/6

8:00 am-6:46 pm

2 stops24h 46m

Portland

Mon 10/6

10:00 pm-12:00 pm

2 stops24h 00m

$1,054

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Thu 12/18

8:15 am-9:15 am

1 stop16h 00m

Portland

Mon 1/5

7:45 pm-6:30 am

2 stops43h 45m

$1,115

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 28 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 June is currently the most expensive (average of $389). 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 July 31, 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.

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 July 31, 2025.
Read through reviews of airlines operating flights from Bangkok to Washington, such as 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
9.0
Wonderful
199 reviews

Food

8.8

Entertainment

8.9

Boarding

9.0

Overall

9.0

Crew

9.3

Comfort

8.9

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
9.0
Wonderful
199 reviews
STARLUX Airlines
9.0
Wonderful
199 reviews

Food

8.8

Entertainment

8.9

Boarding

9.0

Overall

9.0

Crew

9.3

Comfort

8.9

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
1,220 reviews
STARLUX Airlines
9.0
Wonderful
199 reviews

Food

8.8

Entertainment

8.9

Boarding

9.0

Overall

9.0

Crew

9.3

Comfort

8.9

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
1,121 reviews
STARLUX Airlines
9.0
Wonderful
199 reviews

Food

8.8

Entertainment

8.9

Boarding

9.0

Overall

9.0

Crew

9.3

Comfort

8.9

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
754 reviews
STARLUX Airlines
9.0
Wonderful
199 reviews

Food

8.8

Entertainment

8.9

Boarding

9.0

Overall

9.0

Crew

9.3

Comfort

8.9

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.
Delta
8.0
Very good
7,981 reviews
STARLUX Airlines
9.0
Wonderful
199 reviews

Food

8.8

Entertainment

8.9

Boarding

9.0

Overall

9.0

Crew

9.3

Comfort

8.9

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 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 $431. Users have also found prices from $437 and $516 on STARLUX Airlines and China Airlines, 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 June is currently the most expensive (average of $389). 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

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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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Philippine AirlinesCheapest$551Average$640FlexibilityNo cancel feeOn-time60%
Asiana AirlinesCheapest$649Average$834FlexibilityNo cancel feeOn-time76%
STARLUX AirlinesCheapest$739Average$902FlexibilityNo cancel feeOn-timeN/A
China AirlinesCheapest$793Average$862FlexibilityNo cancel feeOn-time70%
Korean AirCheapest$803Average$968FlexibilityNo cancel feeOn-time81%
DeltaCheapest$829Average$983FlexibilityNo cancel feeOn-timeN/A
EVA AirCheapest$831Average$1,019FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$850Average$976FlexibilityNo cancel feeOn-time69%
ANACheapest$899Average$1,118FlexibilityNo cancel feeOn-time80%
Japan AirlinesCheapest$922Average$1,041FlexibilityNo cancel feeOn-time79%

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