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

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The best prices from Washington to Bangkok are usually found in September or April, booked 51 days in advance, depart on a Tuesday or Thursday and return on a Monday

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

WAS - TH1
Price
$665 - $1,356
TH1
Temperature
89.6 - 96.8 °F
TH1
Rainfall
0.4 - 12.1 inches

Popular in

December

High demand for flights, 41% potential price rise

Cheapest in

September

Best time to find cheap flights, 17% potential price drop

Round-trip from

$665

From Washington to Bangkok

One-way from

$449

One-way flight from Washington to Bangkok

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Washington to Bangkok?

Flying to your destination on a Saturday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Bangkok. Check prices with Cheapflights to find a great deal for your trip.

How far in advance should I book a flight from Washington to Bangkok?

Find a great deal and save up to 22% by booking at least 61 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Washington to Bangkok within the next two weeks, with the cheapest ticket starting at $706.

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

Flights from Washington to Bangkok lean towards being more expensive in December. Prices are generally better when you fly from Washington to Bangkok in November, with the cheapest ticket starting at $454.

When is the cheapest time to fly from Washington to Bangkok (WAS - TH1)?

It’s typically best to fly out from Washington to Bangkok in the afternoon. Doing so could potentially save you 26% on the flight price compared to flying in the evening, which is usually more expensive.

Cheap flights from Washington to Bangkok in November, December 2020

The best prices found for WAS to BKK flights for November, December
9 Dec - 16 Dec
$869pp
IAD
Washington Dulles Intl
SWISS
 
1 STOP
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
SWISS
 
1 STOP
IAD
Washington Dulles Intl
16 Dec - 16 Mar
$884pp
IAD
Washington Dulles Intl
Multiple Airlines
 
1 STOP
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Austrian Airlines
 
1 STOP
IAD
Washington Dulles Intl
9 Dec - 17 Dec
$888pp
IAD
Washington Dulles Intl
Multiple Airlines
 
1 STOP
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Lufthansa
 
1 STOP
IAD
Washington Dulles Intl

Washington to Bangkok 2021 flight deals

Cheap flights to Bangkok from Washington found for next year
9 Dec - 16 Dec
$869pp
IAD
Washington Dulles Intl
SWISS
 
1 STOP
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
SWISS
 
1 STOP
IAD
Washington Dulles Intl
16 Dec - 16 Mar
$884pp
IAD
Washington Dulles Intl
Multiple Airlines
 
1 STOP
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Austrian Airlines
 
1 STOP
IAD
Washington Dulles Intl
9 Dec - 17 Dec
$888pp
IAD
Washington Dulles Intl
Multiple Airlines
 
1 STOP
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Lufthansa
 
1 STOP
IAD
Washington Dulles Intl

Last minute flights from Washington to Bangkok

Late deals on round-trip flights to Bangkok from Washington, departing today and this week
3 Dec - 12 Jan
$1,133pp
IAD
Washington Dulles Intl
Qatar Airways
 
1 STOP
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Qatar Airways
 
1 STOP
IAD
Washington Dulles Intl
6 Dec - 12 Dec
$1,158pp
IAD
Washington Dulles Intl
Qatar Airways
 
1 STOP
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Qatar Airways
 
1 STOP
IAD
Washington Dulles Intl
4 Dec - 10 Dec
$1,188pp
DCA
Washington Reagan-National
Multiple Airlines
   
2 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Multiple Airlines
   
2 STOPS
DCA
Washington Reagan-National

One-way flights to Bangkok from Washington

The cheapest one-way flights from Washington to Bangkok
6:25 pm - 10:10 am
Turkish Airlines
1 Stop
27h 45m
IAD - BKK
Turkish Airlines
$449
Flights by SU
2:30 am - 12:05 am
Major Airline
2 Stops
33h 35m
IAD - BKK
Major Airline
$453
StudentUniverse
3:30 am - 12:00 pm
Singapore Airlines
2 Stops
44h 30m
DCA - BKK
Singapore Airlines
$613
KAYAK

Related info for your journey

Useful info, stats and facts about Washington to Bangkok flights.

Flight FAQs

From Washington to Bangkok

Are flight prices decreasing from Washington to Bangkok due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Washington and Bangkok for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Washington to Bangkok to control the spread of COVID-19?

Airlines globally have implemented additional safety measures to accommodate you. Delta, Etihad Airways, and JetBlue are some of the many airlines that have done so. Airline carriers are regularly disinfecting and sanitizing their aircraft. Masks are provided and are mandatory while on board. Pre-flight testing for symptoms and antibodies, alongside socially distanced seating (for a limited time) will work towards keeping travelers safer while flying from Washington to Bangkok. Policies will vary by airline.

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. United Airlines, Qatar Airways, and Cathay Pacific are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like United Airlines with this kind of flexibility.

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

Yes, there are multiple flights from Washington to Bangkok for under $700. The cheapest flight booked recently is on Turkish Airlines for just $673, but on average you can expect to pay $707.

Are there nonstop flights from Washington to Bangkok for under $700 on Cheapflights?

There are no nonstop flights from Washington to Bangkok, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from Washington to Bangkok for under $1,200?

There are currently 20+ open flights from Washington to Bangkok within the next 7 days for less than $1,200.

Is Washington weather warmer or cooler than Bangkok?

We forecast the temperature to be around the 97 °F's in April, on average. The temperature in Bangkok is generally hotter than in Washington. Book flights in a timely manner in correlation to your departure date.

How long is the flight from Washington to Bangkok?

For as low as $720, Turkish Airlines can have you in Bangkok from Washington in 20h 25m. This flight may include one or multiple stops.

What are the cheapest airlines flying from Washington to Bangkok round-trip?

Cheapflights users have booked flights from Washington to Bangkok round-trip from $673. Another airline that can offer you cheap pricing is Etihad Airways. These flights start at 16% lower than the current average price 3 months from now.

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

The cheapest airlines for a one-way flight from Washington to Bangkok are Turkish Airlines ($435), Major Airline ($453), and Qatar Airways ($586).

Destination information for Bangkok

Things to know before you go. Useful info for your trip from Washington to Bangkok
Today's exchange rate
$1 = ฿30.27
Average temperature for November in Bangkok
91.4 °F
Avg rainfall for November in Bangkok
1.9 ″

Airports servicing Washington

Reagan National (DCA)

Airports servicing Bangkok

Don Mueang International (DMK)

Top 10 airlines 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
JetBlue
$499 $659 No cancel fee 62%
United Airlines
$468 $761 No cancel fee 69%
KLM
$777 $808 No change fee 75%
Qatar Airways
$612 $879 No cancel fee 68%
Japan Airlines
$826 $897 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.

Delta
$612 $953 No cancel fee N/A
Etihad Airways
$680 $955 No change fee 75%
Cathay Pacific
$653 $1,141 No cancel fee 72%
Turkish Airlines
$724 $1,203 No cancel fee 77%
American Airlines
$687 $1,270 No cancel fee 71%
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