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$447+ 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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — SEA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$727
(Vakatrip)

One-way from

$447
(FlightHub)

Popular in

August

Cheapest in

November

Average price

$965
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. 11% potential increase in price ($118 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($20 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 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 June 12, 2025.

This Vakatrip 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 Vakatrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/2911:30 pmBKK - SEA
1 stop27h 00mMultiple Airlines
Fri 10/172:15 pmSEA - BKK
1 stop19h 10mMultiple Airlines
Deal found 6/11$727
This Agoda.com 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 Agoda.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/266:40 pmBKK - SEA
1 stop38h 35mPhilippine Airlines
Wed 10/811:35 pmSEA - BKK
1 stop22h 40mPhilippine Airlines
Deal found 6/11$734
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/25:50 pmBKK - SEA
1 stop36h 20mSTARLUX Airlines
Wed 9/171:15 amSEA - BKK
1 stop25h 25mSTARLUX Airlines
Deal found 6/12$769
This China 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/152:40 amBKK - SEA
1 stop30h 40mChina Airlines
Tue 10/71:10 amSEA - BKK
1 stop25h 10mChina Airlines
Deal found 6/10$775
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/152:35 amBKK - SEA
1 stop24h 55mDelta
Sat 11/811:15 amSEA - BKK
1 stop21h 05mDelta
Deal found 6/10$840
This CheersTravel 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 CheersTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/241:00 amBKK - SEA
1 stop23h 00mKorean Air
Tue 12/3011:00 amSEA - BKK
1 stop19h 30mKorean Air
Deal found 6/11$842
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 6/214:45 pmBKK - SEA
1 stop16h 45mEVA Air
Tue 7/12:10 amSEA - BKK
1 stop19h 00mEVA Air
Deal found 6/11$843
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.
Tue 6/242:35 amBKK - PDX
2 stops35h 54mDelta
Sat 6/285:50 pmPDX - BKK
2 stops39h 35mDelta
Deal found 6/11$864
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.
Fri 7/119:35 amBKK - SEA
1 stop18h 50mANA
Thu 7/317:00 amSEA - BKK
2 stops26h 55mANA
Deal found 6/11$895
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/227:00 amBKK - SEA
2 stops31h 59mUnited Airlines
Sun 10/54:30 pmSEA - BKK
1 stop22h 05mUnited Airlines
Deal found 6/11$896
This Asiana 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/61:20 amBKK - SEA
1 stop25h 25mAsiana Airlines
Wed 7/302:30 pmSEA - BKK
1 stop18h 40mAsiana Airlines
Deal found 6/12$939
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.
Mon 9/155:30 pmBKK - PDX
2 stops20h 29mChina Airlines
Mon 1/127:45 pmPDX - BKK
2 stops23h 05mChina Airlines
Deal found 6/12$953

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 June 12, 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 6/29

11:30 pm-12:30 pm

1 stop27h 00m

Seattle/Tacoma Intl

Fri 10/17

2:15 pm-11:25 pm

1 stop19h 10m

$727

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Thu 6/26

6:40 pm-7:15 pm

1 stop38h 35m

Seattle/Tacoma Intl

Wed 10/8

11:35 pm-12:15 pm

1 stop22h 40m

$734

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Tue 9/2

5:50 pm-4:10 pm

1 stop36h 20m

Seattle/Tacoma Intl

Wed 9/17

1:15 am-4:40 pm

1 stop25h 25m

$769

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Mon 9/15

2:40 am-7:20 pm

1 stop30h 40m

Seattle/Tacoma Intl

Tue 10/7

1:10 am-4:20 pm

1 stop25h 10m

$775

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Wed 10/15

2:35 am-1:30 pm

1 stop24h 55m

Seattle/Tacoma Intl

Sat 11/8

11:15 am-11:20 pm

1 stop21h 05m

$840

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sun 6/22

4:45 pm-7:30 pm

1 stop16h 45m

Seattle/Tacoma Intl

Tue 7/1

2:10 am-1:05 pm

1 stop20h 55m

$843

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Tue 6/24

2:35 am-12:29 am

2 stops35h 54m

Portland

Sat 6/28

5:50 pm-11:25 pm

2 stops39h 35m

$864

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Fri 7/11

9:35 am-2:25 pm

1 stop18h 50m

Seattle/Tacoma Intl

Thu 7/31

7:00 am-11:55 pm

2 stops26h 55m

$895

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sun 6/22

7:00 am-12:59 am

2 stops31h 59m

Seattle/Tacoma Intl

Sun 10/5

4:30 pm-4:35 am

1 stop22h 05m

$896

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sun 7/6

1:20 am-12:45 pm

1 stop25h 25m

Seattle/Tacoma Intl

Mon 7/28

2:30 pm-11:10 pm

1 stop18h 40m

$898

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 51 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 $391). 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 June 12, 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 June 12, 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
178 reviews

Boarding

9.0

Food

8.8

Crew

9.3

Comfort

9.0

Overall

9.1

Entertainment

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
9.1
Wonderful
178 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Boarding

9.0

Food

8.8

Crew

9.3

Comfort

9.0

Overall

9.1

Entertainment

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
1,202 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Boarding

9.0

Food

8.8

Crew

9.3

Comfort

9.0

Overall

9.1

Entertainment

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
1,088 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Boarding

9.0

Food

8.8

Crew

9.3

Comfort

9.0

Overall

9.1

Entertainment

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.
Japan Airlines
8.3
Very good
1,489 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Boarding

9.0

Food

8.8

Crew

9.3

Comfort

9.0

Overall

9.1

Entertainment

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
738 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Boarding

9.0

Food

8.8

Crew

9.3

Comfort

9.0

Overall

9.1

Entertainment

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 $447. Users have also found prices from $472 and $489 on China Airlines and STARLUX 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 Don Mueang Intl - Seattle/Tacoma Intl or Bangkok Suvarnabhumi - Portland 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 $391). 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Philippine AirlinesCheapest$551Average$640FlexibilityNo cancel feeOn-time60%
Asiana AirlinesCheapest$649Average$858FlexibilityNo cancel feeOn-time76%
China AirlinesCheapest$793Average$868FlexibilityNo cancel feeOn-time70%
STARLUX AirlinesCheapest$796Average$907FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$814Average$967FlexibilityNo cancel feeOn-time81%
DeltaCheapest$829Average$986FlexibilityNo cancel feeOn-timeN/A
EVA AirCheapest$831Average$1,017FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$850Average$960FlexibilityNo cancel feeOn-time69%
ANACheapest$899Average$1,069FlexibilityNo cancel feeOn-time80%
Japan AirlinesCheapest$922Average$1,041FlexibilityNo cancel feeOn-time79%

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