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)

All the information you need to plan the best WAS to BKK flight in 2021: compare Washington to Bangkok flight prices with the expected peak season, weather and rainfall in Bangkok.
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

$504

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 9% 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 $800.

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

Flights from Washington to Bangkok lean towards being more expensive in June. Prices are generally better when you fly from Washington to Bangkok in April, with the cheapest ticket starting at $570.

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 28% on the flight price compared to flying in the evening, which is usually more expensive.

Cheap flights from Washington to Bangkok in June, July 2021

The best prices found for WAS to BKK flights for June, July
20 Jul - 26 Jul
$691pp
IAD
Washington Dulles Intl
Etihad Airways
   
2 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Etihad Airways
 
1 STOP
IAD
Washington Dulles Intl
21 Jul - 27 Jul
$692pp
IAD
Washington Dulles Intl
Etihad Airways
   
2 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Etihad Airways
 
1 STOP
IAD
Washington Dulles Intl
19 Jul - 26 Jul
$722pp
IAD
Washington Dulles Intl
Etihad Airways
 
1 STOP
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Etihad Airways
 
1 STOP
IAD
Washington Dulles Intl

Washington to Bangkok 2021 flight deals

Cheap flights to Bangkok from Washington found for this year
16 Nov - 14 Dec
$688pp
IAD
Washington Dulles Intl
Etihad Airways
 
1 STOP
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Etihad Airways
 
1 STOP
IAD
Washington Dulles Intl
24 Oct - 30 Oct
$689pp
IAD
Washington Dulles Intl
Etihad Airways
 
1 STOP
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Etihad Airways
 
1 STOP
IAD
Washington Dulles Intl
20 Jul - 26 Jul
$691pp
IAD
Washington Dulles Intl
Etihad Airways
   
2 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Etihad Airways
 
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
26 Jun - 11 Jul
$1,076pp
IAD
Washington Dulles Intl
Multiple Airlines
 
1 STOP
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
SWISS
 
1 STOP
IAD
Washington Dulles Intl
26 Jun - 9 Jul
$1,094pp
IAD
Washington Dulles Intl
Multiple Airlines
 
1 STOP
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Austrian Airlines
 
1 STOP
IAD
Washington Dulles Intl
26 Jun - 11 Jul
$1,096pp
IAD
Washington Dulles Intl
Multiple Airlines
   
2 STOPS
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
SWISS
 
1 STOP
IAD
Washington Dulles Intl

One-way flights to Bangkok from Washington

The cheapest one-way flights from Washington to Bangkok
4:15 pm - 3:55 am
Etihad Airways
1 Stop
23h 40m
IAD - BKK
Etihad Airways
4:00 am - 6:10 am
Singapore Airlines
2 Stops
38h 10m
DCA - BKK
Singapore Airlines
$511
Travelgenio
3:20 pm - 3:05 am
Qatar Airways
2 Stops
24h 45m
BWI - BKK
Qatar Airways
$559
mytrip.com

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

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. Etihad Airways is one of them. 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. ANA, Air China, and Korean Air are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like ANA 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 Etihad Airways for just $688, but on average you can expect to pay $729.

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 $1,100?

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

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 $764, Qatar Airways can have you in Bangkok from Washington in 21h. 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 $688. Other airlines that can offer you cheap pricing are Turkish Airlines, from $736, and Qatar Airways, from $753. These flights start at 14% 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 Etihad Airways ($467), Singapore Airlines ($501), and Qatar Airways ($559).

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 = ฿31.40
Average temperature for June in Bangkok
93.2 °F
Avg rainfall for June in Bangkok
5.9 ″

Airports servicing Washington

Reagan National (DCA)

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
JetBlue
$499 $659 No cancel fee 62%
United Airlines
$468 $761 No cancel fee 69%
KLM
$777 $808 No cancel 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 cancel 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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