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$409+ 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 3/24. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — SEA
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
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 November 3, 2025.

Round-trip from

$651
(oojo)

One-way from

$409
(Trip.com)

Popular in

July

Cheapest in

February

Average price

$836
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. 9% potential increase in price ($93 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in November 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 November 3, 2025.

This Gotogate deal was found by Cheapflights users on 10/31. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/34:20 pmBKK - SEA
1 stop30h 40mHainan Airlines
Tue 11/1810:00 amSEA - BKK
1 stop22h 25mHainan Airlines
Deal found 10/31$628
This oojo deal was found by Cheapflights users on 11/1. 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 12/1311:50 pmBKK - SEA
1 stop33h 50mPhilippine Airlines
Thu 1/19:30 pmSEA - BKK
1 stop34h 30mPhilippine Airlines
Deal found 11/1$661
This Trip.com deal was found by Cheapflights users on 11/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/231:20 pmBKK - SEA
1 stop20h 20mPhilippine Airlines
Sun 12/79:30 pmSEA - BKK
1 stop34h 30mPhilippine Airlines
Deal found 11/2$758
This FlightHub deal was found by Cheapflights users on 11/1. 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 12/102:40 pmBKK - SEA
1 stop18h 30mEVA Air
Tue 12/2312:10 amSEA - BKK
1 stop34h 15mEVA Air
Deal found 11/1$772
This Agoda.com deal was found by Cheapflights users on 11/2. 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.
Sat 11/222:15 amBKK - SEA
1 stop30h 55mEVA Air
Sat 12/612:10 amSEA - BKK
1 stop21h 25mEVA Air
Deal found 11/2$788
This Gotogate deal was found by Cheapflights users on 10/31. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/38:15 amBKK - SEA
1 stop26h 01mAir Canada
Tue 11/188:00 pmSEA - BKK
2 stops35h 20mAir Canada
Deal found 10/31$796
This Travelocity deal was found by Cheapflights users on 11/1. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1311:50 pmBKK - SEA
1 stop33h 50mMultiple Airlines
Thu 1/110:05 amSEA - BKK
2 stops41h 00mMultiple Airlines
Deal found 11/1$802
This Trip.com deal was found by Cheapflights users on 11/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/65:15 pmBKK - SEA
1 stop15h 55mEVA Air
Tue 12/2312:10 amSEA - BKK
1 stop32h 30mEVA Air
Deal found 11/3$803
This iWofly deal was found by Cheapflights users on 11/1. 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.
Tue 12/165:15 pmBKK - SEA
1 stop15h 55mEVA Air
Tue 12/2311:30 pmSEA - BKK
1 stop34h 55mEVA Air
Deal found 11/1$804
This SmartFares deal was found by Cheapflights users on 11/1. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/105:15 pmBKK - SEA
1 stop15h 55mMultiple Airlines
Wed 12/243:49 pmSEA - BKK
2 stops28h 21mMultiple Airlines
Deal found 11/1$824
This oojo deal was found by Cheapflights users on 11/1. 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 12/1311:50 pmBKK - SEA
1 stop33h 50mPhilippine Airlines
Fri 1/29:30 pmSEA - BKK
1 stop23h 30mPhilippine Airlines
Deal found 11/1$836
This Air Canada deal was found by Cheapflights users on 11/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/188:15 amBKK - PDX
2 stops31h 11mAir Canada
Sat 11/223:15 pmPDX - BKK
1 stop24h 15mAir Canada
Deal found 11/2$857

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 November 3, 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

Wed 3/25

6:45 pm-7:40 pm

1 stop38h 55m

Seattle/Tacoma Intl

Wed 4/15

11:55 pm-12:05 pm

1 stop22h 10m

$708

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Mon 3/30

2:40 am-7:30 pm

1 stop30h 50m

Seattle/Tacoma Intl

Thu 6/4

1:10 am-4:20 pm

1 stop25h 10m

$792

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Wed 4/8

3:40 pm-1:58 pm

2 stops36h 18m

Seattle/Tacoma Intl

Wed 4/22

5:30 pm-9:45 am

2 stops26h 15m

$798

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Tue 2/10

4:55 pm-11:41 am

2 stops33h 46m

Seattle/Tacoma Intl

Tue 3/10

4:45 pm-5:10 am

1 stop22h 25m

$802

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Wed 3/25

11:50 pm-7:40 pm

1 stop33h 50m

Seattle/Tacoma Intl

Fri 4/17

11:55 pm-12:05 pm

1 stop22h 10m

$807

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Tue 4/7

3:40 pm-2:18 pm

3 stops36h 38m

Seattle/Tacoma Intl

Mon 4/20

9:02 am-9:45 am

2 stops34h 43m

$809

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Tue 3/24

4:55 pm-7:16 pm

2 stops40h 21m

Seattle/Tacoma Intl

Mon 4/13

5:30 pm-9:45 am

2 stops26h 15m

$811

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Wed 4/8

3:40 pm-2:18 pm

3 stops36h 38m

Seattle/Tacoma Intl

Tue 4/21

6:57 am-9:45 am

2 stops36h 48m

$811

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Mon 4/6

3:40 pm-11:21 pm

2 stops45h 41m

Seattle/Tacoma Intl

Mon 4/20

9:02 am-9:45 am

2 stops34h 43m

$817

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sun 3/22

4:55 pm-11:22 pm

2 stops44h 27m

Seattle/Tacoma Intl

Wed 4/15

6:30 am-9:45 am

2 stops37h 15m

$819

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Showing 1-10 of 60 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, June is the cheapest month in which you can book a flight from Bangkok to State of Washington (average of $624). Flying from Bangkok to State of Washington in July is currently the most expensive (average of $781). 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 November 3, 2025.

One of the essential ways to save on airfare from Bangkok to State of Washington is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 41% on airfare.

What is the cheapest day to fly from Bangkok to State of Washington?

Use this chart to determine the cheapest time to fly round-trip from Bangkok to Washington. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Bangkok to State of Washington flight should consider departing on Thursday at noon when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 November 3, 2025.
Read through reviews of airlines operating flights from Bangkok to Washington, such as STARLUX Airlines, EVA Air, and China Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
8.9
Very good
219 reviews

Entertainment

8.8

Food

8.7

Comfort

8.9

Boarding

8.9

Crew

9.2

Overall

8.9

Reviews

1 / 8
10.0
Excellent

Anonymous,Sep 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!
STARLUX Airlines
8.9
Very good
219 reviews
STARLUX Airlines
8.9
Very good
219 reviews

Entertainment

8.8

Food

8.7

Comfort

8.9

Boarding

8.9

Crew

9.2

Overall

8.9

Reviews

1 / 8
10.0
Excellent

Anonymous,Sep 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!
EVA Air
8.4
Very good
1,270 reviews
STARLUX Airlines
8.9
Very good
219 reviews

Entertainment

8.8

Food

8.7

Comfort

8.9

Boarding

8.9

Crew

9.2

Overall

8.9

Reviews

1 / 8
10.0
Excellent

Anonymous,Sep 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!
China Airlines
8.3
Very good
776 reviews
STARLUX Airlines
8.9
Very good
219 reviews

Entertainment

8.8

Food

8.7

Comfort

8.9

Boarding

8.9

Crew

9.2

Overall

8.9

Reviews

1 / 8
10.0
Excellent

Anonymous,Sep 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!
Delta
7.9
Good
8,002 reviews
STARLUX Airlines
8.9
Very good
219 reviews

Entertainment

8.8

Food

8.7

Comfort

8.9

Boarding

8.9

Crew

9.2

Overall

8.9

Reviews

1 / 8
10.0
Excellent

Anonymous,Sep 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!
Philippine Airlines
7.3
Good
932 reviews
STARLUX Airlines
8.9
Very good
219 reviews

Entertainment

8.8

Food

8.7

Comfort

8.9

Boarding

8.9

Crew

9.2

Overall

8.9

Reviews

1 / 8
10.0
Excellent

Anonymous,Sep 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!

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.

  • How long is the flight from Bangkok to State of Washington?

    Departing from Bangkok to State of Washington will take you 23h 31m. The distance from Bangkok to State of Washington is about 7525 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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, June is the cheapest month in which you can book a flight from Bangkok to State of Washington (average of $624). Flying from Bangkok to State of Washington in July is currently the most expensive (average of $781). 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 9 airlines flying from Bangkok to Washington

Discover the top 9 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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Philippine AirlinesCheapest$594Average$655FlexibilityNo cancel feeOn-time60%
Asiana AirlinesCheapest$651Average$864FlexibilityNo cancel feeOn-time76%
STARLUX AirlinesCheapest$705Average$825FlexibilityNo cancel feeOn-timeN/A
EVA AirCheapest$770Average$950FlexibilityNo cancel feeOn-time74%
ANACheapest$781Average$1,067FlexibilityNo cancel feeOn-time80%
China AirlinesCheapest$781Average$856FlexibilityNo cancel feeOn-time70%
Korean AirCheapest$801Average$968FlexibilityNo cancel feeOn-time81%
DeltaCheapest$829Average$926FlexibilityNo cancel feeOn-timeN/A
Japan AirlinesCheapest$922Average$1,041FlexibilityNo cancel feeOn-time79%

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