Washington

$435+ 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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — SEA
Mar 3 — Mar 101
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Cheap 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 February 1, 2026.

This oojo deal was found by Cheapflights users on 2/1. 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.
Wed 7/17:30 pm
BKK
-
SEA
1 stop38h 35m
Philippine Airlines
Thu 7/1611:10 pm
SEA
-
BKK
1 stop29h 20m
Philippine Airlines
Deal found 2/1$642
This oojo deal was found by Cheapflights users on 2/1. 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.
Mon 3/161:05 am
BKK
-
SEA
1 stop21h 55m
Hainan Airlines
Tue 4/711:00 am
SEA
-
BKK
1 stop22h 00m
Hainan Airlines
Deal found 2/1$644
This Trip.com deal was found by Cheapflights users on 1/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2711:40 pm
BKK
-
SEA
1 stop34h 25m
Philippine Airlines
Sun 5/1011:10 pm
SEA
-
BKK
1 stop23h 00m
Philippine Airlines
Deal found 1/30$656
This Gotogate deal was found by Cheapflights users on 1/31. 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.
Tue 3/39:30 pm
BKK
-
SEA
1 stop31h 25m
Multiple Airlines
Mon 3/1612:10 am
SEA
-
BKK
1 stop34h 35m
Multiple Airlines
Deal found 1/31$657
This FlightHub deal was found by Cheapflights users on 2/1. 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.
Sun 5/311:20 am
BKK
-
SEA
1 stop27h 35m
Asiana Airlines
Mon 8/3112:55 am
SEA
-
BKK
1 stop20h 20m
Asiana Airlines
Deal found 2/1$658
This oojo deal was found by Cheapflights users on 2/1. 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.
Mon 2/211:50 pm
BKK
-
SEA
1 stop33h 50m
Philippine Airlines
Sun 2/159:30 pm
SEA
-
BKK
1 stop34h 30m
Philippine Airlines
Deal found 2/1$666
This FlightHub deal was found by Cheapflights users on 1/31. 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 3/212:20 pm
BKK
-
SEA
1 stop16h 35m
Asiana Airlines
Sun 3/812:10 am
SEA
-
BKK
1 stop31h 50m
Asiana Airlines
Deal found 1/31$667
This Trip.com deal was found by Cheapflights users on 1/31. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/97:30 pm
BKK
-
SEA
1 stop38h 35m
Philippine Airlines
Tue 6/2311:10 pm
SEA
-
BKK
1 stop29h 20m
Philippine Airlines
Deal found 1/31$668
This KAYAK deal was found by Cheapflights users on 2/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/19:35 am
BKK
-
SEA
1 stop18h 50m
ANA
Wed 9/168:35 am
SEA
-
BKK
2 stops25h 20m
ANA
Deal found 2/1$669
This Trip.com deal was found by Cheapflights users on 2/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/181:20 pm
BKK
-
SEA
1 stop20h 20m
Philippine Airlines
Wed 3/2510:30 pm
SEA
-
BKK
1 stop23h 30m
Philippine Airlines
Deal found 2/1$670
This Gotogate deal was found by Cheapflights users on 1/31. 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 3/212:20 pm
BKK
-
SEA
1 stop16h 35m
Multiple Airlines
Sun 3/812:10 am
SEA
-
BKK
1 stop34h 45m
Multiple Airlines
Deal found 1/31$672
This United Airlines deal was found by Cheapflights users on 2/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/19:35 am
BKK
-
SEA
2 stops26h 43m
United Airlines
Tue 9/14:30 pm
SEA
-
BKK
1 stop22h 05m
United Airlines
Deal found 2/1$673

Find flight deals from Bangkok to Washington

Keep the following information in mind while searching for Bangkok to Washington flight deals. Data was last updated February 1, 2026.

Round-trip from

$642
(oojo)

One-way from

$435
(oojo)

Popular in

July

Cheapest in

December

Average price

$846
From Bangkok to Washington
One-way flight from Bangkok to Washington
Highest demand for flights based on searches. 10% potential increase in price ($108 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
Average for round-trip flights in February 2026

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 February 1, 2026.
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 6/1

9:35 am-10:18 pm

2 stops26h 43m

Seattle/Tacoma Intl

Tue 9/1

4:30 pm-4:35 am

1 stop22h 05m

$673

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Mon 4/27

9:35 am-2:25 pm

1 stop18h 50m

Seattle/Tacoma Intl

Sun 5/10

7:08 am-9:35 am

2 stops36h 27m

$674

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Fri 6/5

9:35 am-2:25 pm

1 stop18h 50m

Seattle/Tacoma Intl

Sat 9/5

2:52 pm-9:35 am

2 stops28h 43m

$675

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Thu 6/18

9:35 am-2:25 pm

1 stop18h 50m

Seattle/Tacoma Intl

Wed 8/12

4:30 pm-4:35 am

1 stop22h 05m

$681

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sat 6/20

9:35 am-2:25 pm

1 stop18h 50m

Seattle/Tacoma Intl

Wed 8/12

4:30 pm-4:35 am

1 stop22h 05m

$681

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sat 6/20

9:35 am-2:25 pm

1 stop18h 50m

Seattle/Tacoma Intl

Tue 8/11

4:30 pm-4:35 am

1 stop22h 05m

$681

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Mon 4/20

3:45 pm-2:46 pm

2 stops37h 01m

Seattle/Tacoma Intl

Mon 4/27

6:20 am-9:35 am

2 stops37h 15m

$694

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Mon 6/1

9:35 am-10:18 pm

2 stops26h 43m

Seattle/Tacoma Intl

Wed 9/16

8:35 am-11:55 pm

2 stops25h 20m

$702

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Mon 3/2

12:20 pm-1:55 pm

1 stop16h 35m

Seattle/Tacoma Intl

Thu 5/21

12:55 am-11:15 am

1 stop20h 20m

$778

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Fri 6/19

7:00 am-1:58 pm

2 stops44h 58m

Seattle/Tacoma Intl

Wed 8/12

4:30 pm-4:35 am

1 stop22h 05m

$791

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/1

Showing 1-10 of 58 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 $761). 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.

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 February 1, 2026.
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.

Crew

9.1

Comfort

8.8

Overall

8.9

Boarding

8.9

Entertainment

8.8

Food

8.6

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.

Crew

9.1

Comfort

8.8

Overall

8.9

Boarding

8.9

Entertainment

8.8

Food

8.6

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.

Crew

9.1

Comfort

8.8

Overall

8.9

Boarding

8.9

Entertainment

8.8

Food

8.6

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.

Crew

9.1

Comfort

8.8

Overall

8.9

Boarding

8.9

Entertainment

8.8

Food

8.6

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.

Crew

9.1

Comfort

8.8

Overall

8.9

Boarding

8.9

Entertainment

8.8

Food

8.6

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.

Crew

9.1

Comfort

8.8

Overall

8.9

Boarding

8.9

Entertainment

8.8

Food

8.6

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.

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 16h 25m. 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 cheapest airlines to fly from Bangkok to State of Washington one-way?

    For one-way options, check prices for Hainan Airlines. According to our data, you can fly for as low as $378. Users have also found prices from $381 and $440 on Philippine Airlines and STARLUX 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, 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 $761). 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.

Top 8 airlines flying from Bangkok to Washington

Discover the top 8 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 February 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
Philippine AirlinesCheapest$624Average$658FlexibilityNo cancel feeOn-time60%
STARLUX AirlinesCheapest$705Average$824FlexibilityNo cancel feeOn-timeN/A
EVA AirCheapest$766Average$868FlexibilityNo cancel feeOn-time74%
ANACheapest$768Average$1,067FlexibilityNo cancel feeOn-time80%
China AirlinesCheapest$781Average$856FlexibilityNo cancel feeOn-time70%
Korean AirCheapest$814Average$968FlexibilityNo cancel feeOn-time81%
DeltaCheapest$829Average$922FlexibilityNo cancel feeOn-timeN/A
Asiana AirlinesCheapest$845Average$976FlexibilityNo cancel feeOn-time76%

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