฿18,079 Find Cheap Flights from Washington, D.C. to Bangkok – Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Washington, D.C. to Bangkok departing on 14/8. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Bangkok

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Bangkok, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Bangkok, as well as popular online travel agencies
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Everything you should know

Cheapest return fare
฿33,543
Typical prices: ฿34,753-฿28,476
เอทิฮัดแอร์เวย์
Thu 15/10Sun 25/10
IAD - BKK • 1 stop
Cheapest one-way flight
฿18,079
Typical prices: ฿16,216-฿21,120
เอทิฮัดแอร์เวย์
Fri 14/8
IAD - BKK • 1 stop
When to book
in advance
Our data shows that travellers who book at least 2 weeks in advance save around 19% compared to booking last minute.
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Flight Deals

Cheap Flights from Washington, D.C. to Bangkok (WAS-BKK)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Washington, D.C. to Bangkok that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Washington, D.C. to Bangkok

Thu 15 Oct - Sun 25 Oct
เอทิฮัดแอร์เวย์ Logo
15:10 - 12:10
IAD
-
BKK
34h 00m
1 stop
เอทิฮัดแอร์เวย์ Logo
20:50 - 10:05
BKK
-
IAD
24h 15m
1 stop
฿33,543เอทิฮัดแอร์เวย์
Fri 9 Oct - Sat 6 Feb
เอทิฮัดแอร์เวย์ Logo
15:10 - 23:50
IAD
-
BKK
21h 40m
1 stop
เอทิฮัดแอร์เวย์ Logo
08:30 - 09:05
BKK
-
IAD
36h 35m
1 stop
฿33,576เอทิฮัดแอร์เวย์
Sat 10 Oct - Wed 3 Feb
Qatar Airways Logo
21:00 - 06:20
IAD
-
BKK
22h 20m
1 stop
Qatar Airways Logo
20:30 - 15:55
BKK
-
IAD
31h 25m
1 stop
฿33,772Qatar Airways
Sun 8 Nov - Sun 15 Nov
Qatar Airways Logo
10:40 - 19:25
IAD
-
BKK
20h 45m
1 stop
Qatar Airways Logo
18:55 - 15:55
BKK
-
IAD
33h 00m
1 stop
฿33,805Qatar Airways
Tue 24 Nov - Tue 8 Dec
Multiple Airlines Logo
20:35 - 17:45
BWI
-
BKK
33h 10m
2 stops
Multiple Airlines Logo
20:05 - 18:45
BKK
-
BWI
58h 40m
2 stops
฿34,491Multiple Airlines
Sun 1 Nov - Sun 15 Nov
Multiple Airlines Logo
20:35 - 17:45
BWI
-
BKK
33h 10m
2 stops
Multiple Airlines Logo
09:00 - 18:45
BKK
-
BWI
45h 45m
2 stops
฿34,589Multiple Airlines
Wed 9 Sep - Wed 23 Sep
แอร์แคนาดา Logo
09:40 - 05:05
DCA
-
BKK
32h 25m
2 stops
แอร์แคนาดา Logo
07:05 - 10:20
BKK
-
DCA
38h 15m
2 stops
฿34,982แอร์แคนาดา
Tue 8 Sep - Tue 15 Sep
กัลฟ์แอร์ Logo
13:59 - 09:45
DCA
-
BKK
56h 46m
2 stops
กัลฟ์แอร์ Logo
20:15 - 23:02
BKK
-
DCA
37h 47m
2 stops
฿35,047กัลฟ์แอร์
Wed 23 Sep - Mon 28 Sep
แอร์แคนาดา Logo
11:00 - 05:05
DCA
-
BKK
31h 05m
2 stops
แอร์แคนาดา Logo
07:05 - 10:20
BKK
-
DCA
38h 15m
2 stops
฿35,145แอร์แคนาดา
Tue 8 Sep - Tue 29 Sep
กัลฟ์แอร์ Logo
13:59 - 09:45
DCA
-
BKK
56h 46m
2 stops
กัลฟ์แอร์ Logo
20:15 - 23:02
BKK
-
DCA
37h 47m
2 stops
฿35,210กัลฟ์แอร์
Booking Insights

KAYAK's insights & trends for Washington, D.C. to Bangkok flights

Get data-powered insights and trends into flights from Washington, D.C. to Bangkok to help you find the cheapest flights, the best time to fly and much more.

How much is a return flight from Washington, D.C. to Bangkok?

This analysis is based on the cheapest return trip price found on KAYAK in the last 12 months by searching for a flight from Washington, D.C. to Bangkok departing in October.

What is the cheapest month to fly from Washington, D.C. to Bangkok?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Washington, D.C. to Bangkok, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Washington, D.C. to Bangkok is August, where tickets cost ฿13,960 (return) on average. On the other hand, the most expensive months are July and March, where the average cost of round-trip tickets is ฿91,769 and ฿64,601 respectively.

How far in advance should I book a flight from Washington, D.C. to Bangkok?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Washington, D.C. to Bangkok, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Washington, D.C. to Bangkok, you should book around 2 weeks before departure, which saves you about 19% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 17 weeks before departure.

Good to know

Cheapest flight฿18,079
Flight from Washington Dulles Airport to Bangkok Suvarnabhumi Airport

When to book flights from Washington, D.C. to Bangkok

Are your dates flexible? Find out the best times to travel from Washington, D.C. to Bangkok based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Washington, D.C. to Bangkok

  • What airport should I use to fly out of Washington D.C.?

    The nice thing about this route is that there are great choices from all three area airports. From Washington Dulles International Airport, there is a one-stop flight aboard Turkish Airways, and from both Ronald Reagan Washington National Airport and Baltimore Washington International Airport (BWI), you can find two-stop flights aboard Air Canada.

  • What is one of the most sustainable airlines when flying from Washington, D.C. to Bangkok?

    JetBlue invests in modern and fuel-efficient aircraft to reduce its carbon emissions. The airline invests in sustainable aviation fuel (SAF) to reduce the carbon intensity of its flights. JetBlue has also implemented programs to reduce ground emissions and promote energy efficiency in its facilities. The airline has implemented recycling programs on board its aircraft and they aim to minimize single-use plastics.

  • Will I need a visa to fly from Washington D.C. to Bangkok?

    For short-term visits, most US citizens can obtain a tourist visa upon arrival at Bangkok's main international airport, Suvarnabhumi Airport. This visa is known as the Visa on Arrival (VOA) and allows for a stay of up to 30 days. Alternatively, you can also apply for a tourist visa in advance at the Royal Thai Embassy or Consulate in the United States. The tourist visa allows for a longer stay in Thailand, typically up to 60 days.

  • What is the benefit of flying in higher ticket tiers on Korean Air?

    Flying in higher ticket tiers on Korean Air, such as Prestige Class and First Class, offers cabins with more spacious seating. Many of the seats are often designed to recline into fully flat beds. Passengers have access to dedicated check-in counters, allowing for faster and more convenient check-in processes.

  • What is the cheapest flight from Washington, D.C. to Bangkok?

    In the last 3 days, the lowest price for a flight from Washington, D.C. to Bangkok was ฿18,079 for a one-way ticket and ฿33,543 for a return.

  • Which airports will I be using when flying from Washington, D.C. to Bangkok?

    On your way to Bangkok, you’ll fly out from one of these Washington, D.C. airports: Washington, D.C. Reagan-National or Washington, D.C. Dulles Intl. You’ll be landing in one of Bangkok’s 2 airports: Bangkok Suvarnabhumi or Bangkok Don Mueang Intl.

  • Which aircraft models fly most regularly from Washington, D.C. to Bangkok?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Washington, D.C. to Bangkok?

    Star Alliance, and SkyTeam are the airline alliances operating flights between Washington, D.C. and Bangkok, with Star Alliance being the most commonly used for this route.

  • How does KAYAK find such low prices on flights from Washington, D.C. to Bangkok?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington, D.C. to Bangkok.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington, D.C. to Bangkok?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Bangkok from Washington, D.C. is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Washington, D.C. to Bangkok?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Bangkok with an airline and back to Washington, D.C. with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington, D.C. to Bangkok?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Bangkok from Washington, D.C. up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Washington, D.C. to Bangkok

  • A great feature of Ronald Reagan Washington National Airport (DCA) is the convenience it offers travelers. An easy way to get to this airport from the center of the city is to take the Washington Metropolitan Area Transit Authority Blue Line subway, which can have you at the airport in about 10 minutes.
  • When traveling on one of the convenient flights offered by Turkish Airways between Washington Dulles International Airport (IAD) and Suvarnabhumi Airport (BKK), it is good to know that all passengers can take one carry-on bag with them and one personal item aboard the plane. Those in business class can take an additional carry-on bag on the plane.
  • Some great reasons to travel in the higher ticket tiers aboard Turkish Airways is that it often gives you access to their lounge in Concourse B on Washington Dulles International Airport (IAD) plus when you book a Business Class ticket on this airline, you get amazing amenities like the most comfortable seats, chef-created dining, and preferred check-in.
  • Kids from 5 to 11 traveling alone on Qatar Airways will use the airline's Unaccompanied Minor service. Qatar Airways charges a handling fee for the service. Qatar Airways staff will assist the child throughout the journey, from check-in to arrival.
  • When making this trip on JetBlue, those in the Blue Basic and Blue ticket tiers can check up to two bags both for a fee. Once you move up into the Mint ticket tier, you can take these same two checked bags for free as part of your ticket purchase.

Everything you need to know for your flight from Washington, D.C. to Bangkok

Cabin class types available on flights from Washington, D.C. to Bangkok

Cabin classes available on flights from Washington, D.C. to Bangkok. Prices are the lowest found on KAYAK over the last 7 days. Price and availability are not guaranteed.