Cheap flights from Washington (WA) to Bangkok (BKK)

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How to find the cheapest flight from
Washington to Bangkok (BKK)

All the information you need to plan the best null to BKK flight in 2022: compare Washington to Bangkok flight prices with the expected peak season, weather and rainfall in Bangkok.
How far in advance should I book a flight from State of Washington to Bangkok?

Travelers have found it’s best to book a flight 44 days in advance to save up to 20% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 44 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from State of Washington to Bangkok 1-2 weeks in advance for as low as $803, or $867 for flights within the next 24 hours.

When is the cheapest time to fly from State of Washington to Bangkok (WA - BKK)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from State of Washington to Bangkok as you normally would.

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

May can be a great time to fly to Bangkok from State of Washington with a flight ticket averaging about $757. Cheapflights users have found deals in the month of May for as cheap as $614. The most expensive prices can be found in the month of December.

Cheap flights from Washington to Bangkok in May, June 2022

The best prices found for Washington to BKK flights for May, June
8 Jun - 13 Sep
$1,012pp
SEA
Seattle/Tacoma Intl
Turkish Airlines
 
1 STOP
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Turkish Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
5 Jun - 12 Sep
$1,021pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
5 Jun - 13 Sep
$1,022pp
SEA
Seattle/Tacoma Intl
Turkish Airlines
 
1 STOP
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Turkish Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl

Washington to Bangkok 2022 flight deals

Cheap flights to Bangkok from Washington found for this year
30 Aug - 28 Sep
$671pp
SEA
Seattle/Tacoma Intl
Singapore Airlines
 
1 STOP
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Singapore Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
4 Oct - 26 Oct
$677pp
SEA
Seattle/Tacoma Intl
Singapore Airlines
 
1 STOP
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Singapore Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
1 Oct - 7 Oct
$686pp
SEA
Seattle/Tacoma Intl
Singapore Airlines
 
1 STOP
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Singapore Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl

Last minute flights from Washington to Bangkok

Late deals on round-trip flights to Bangkok from Washington, departing today and this week
29 May - 12 Sep
$1,073pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
29 May - 12 Jun
$1,101pp
SEA
Seattle/Tacoma Intl
Finnair
   
2 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Finnair
 
1 STOP
SEA
Seattle/Tacoma Intl
29 May - 9 Jun
$1,111pp
SEA
Seattle/Tacoma Intl
Finnair
   
2 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Finnair
   
2 STOPS
SEA
Seattle/Tacoma Intl

One-way flights to Bangkok from Washington

The cheapest one-way flights from Washington to Bangkok
2:00 am - 10:20 am
Singapore Airlines
2 Stops
42h 20m
SEA - BKK
Singapore Airlines
$546
Travelgenio
10:20 am - 7:10 pm
Asiana Airlines
1 Stop
18h 50m
SEA - BKK
Asiana Airlines
$551
SmartFares
1:45 pm - 11:25 am
Turkish Airlines
1 Stop
31h 40m
SEA - BKK
Turkish Airlines
$558
JustFly

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Washington</span> to <span class="emphasized">Bangkok</span> flights.

Flight FAQs

From Washington to Bangkok

Which airlines flying from Washington to Bangkok have flexible cancellations due to COVID-19?

Some of our airline partners flying from Washington to Bangkok have new flexible policies in place due to COVID-19. Japan Airlines, Singapore Airlines, and EVA Air are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like Japan Airlines with this kind of flexibility.

Can I find flights from State of Washington to Bangkok for under $700 on Cheapflights?

Yes, there are multiple flights from State of Washington to Bangkok for under $700. The cheapest flight booked recently is on Singapore Airlines for just $671, but on average you can expect to pay $708.

Are there last-minute flights available from State of Washington to Bangkok for under $1,100?

There are currently 20+ open flights from State of Washington to Bangkok within the next 7 days for less than $1,100.

What are the cheapest airlines to fly from State of Washington to Bangkok one-way?

The cheapest airline one-way is Singapore Airlines, with whom users have recently found tickets for as low as $420. However, be on the lookout for offers from Turkish Airlines and Asiana Airlines, as they are both options that can get you from State of Washington to Bangkok for a low price.

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

The most popular flight routes from State of Washington to Bangkok are Seattle/Tacoma Intl - Bangkok Suvarnabhumi, Spokane - Bangkok Suvarnabhumi and Pasco Tri Cities - Bangkok Suvarnabhumi.

What are the most popular airlines that fly from State of Washington to Bangkok?

Before booking your flight from State of Washington to Bangkok check out the most popular airlines for this route: Major Airline, American Airlines or Air Canada.

What are the cheapest flights from State of Washington to Bangkok?

The cheapest flight price from State of Washington to Bangkok is $445. On average you can expect to pay $2,857. The most popular route, (Seattle/Tacoma Intl - Bangkok Suvarnabhumi), can usually be booked for $671.

COVID Restrictions

View COVID Travel Restrictions for Bangkok, Thailand

Do I need a COVID test to fly to Bangkok from Washington?

Information is based on travel restrictions from Washington to Bangkok

Most visitors from Washington need to provide a negative COVID-19 test result and/or quarantine to enter Bangkok.

COVID-19 testing requirements
Visitors from Washington are not required to present a negative COVID-19 PCR test or antigen result upon entering Bangkok.

Quarantine requirements
Visitors from Washington are not required to quarantine after entering Bangkok.

Documents
Thailand Pass - The Thailand Pass is a web-based system for Thai and foreign travelers to fill in their travel and health information and upload the related documents before travelling. This system is operational and will replace the COE system on 1 November, 2021. However, the COE will continue to be used for certain groups of travelers.


Do I need a test to fly back to Washington from Bangkok?

Returning to Washington from Bangkok

COVID-19 testing requirements
Visitors from Bangkok must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to Washington.

Quarantine requirements
Visitors from Bangkok are not required to quarantine after entering Washington.

Hide COVID Travel Restrictions for Bangkok, Thailand

Destination information for Bangkok

Things to know before you go - useful duration and weather info for your trip from Washington to Bangkok.
Today's exchange rate
$1 = ฿34.59
Average temperature for May in Bangkok
95.0 °F
Avg rainfall for May in Bangkok
8.6 ″

Airports servicing

Seattle King County/Boeing (BFI)
Bellingham (BLI)
Deer Harbor (DHB)
Wenatchee (EAT)
Eastsound Orcas Island (ESD)
Friday Harbor SPB (FBS)

Airports servicing Bangkok

Bangkok Suvarnabhumi (BKK)
Bangkok Don Mueang Intl (DMK)

Top 10 airlines flying from Washington to Bangkok

The chart below displays the airlines Cheapflights users traveling from Washington to Bangkok choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Juneyao Airlines
$12 $22 No cancel fee 66%

We couldn't confirm the COVID-19 safety measures taken by Juneyao Airlines. Please check directly on their website for additional information.

XiamenAir
$459 $608 No cancel fee 49%

We couldn't confirm the COVID-19 safety measures taken by XiamenAir. Please check directly on their website for additional information.

Hainan Airlines
$632 $879 No cancel fee 61%

We couldn't confirm the COVID-19 safety measures taken by Hainan Airlines. Please check directly on their website for additional information.

Singapore Airlines
$636 $707 No cancel fee 81%
China Eastern
$655 $888 No cancel fee 62%

We couldn't confirm the COVID-19 safety measures taken by China Eastern. Please check directly on their website for additional information.

Emirates
$658 $1,343 No cancel fee 75%
American Airlines
$697 $885 No cancel fee 71%
Japan Airlines
$706 $869 No cancel fee 79%

We couldn't confirm the COVID-19 safety measures taken by Japan Airlines. Please check directly on their website for additional information.

ANA
$714 $1,184 No cancel fee 80%
United Airlines
$762 $998 No cancel fee 69%
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