Cheap Flights from Washington (IAD) to Bangkok (BKK) from HK$3,335~

View HK$3,335 flight on Thu, 19 Feb 2026Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to Suvarnabhumi Intl. Airport (BKK)

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Find Cheap Flights from Washington (IAD) to Bangkok (BKK)

Prices were available within the past 7 days and start at HK$3,335 for one-way flights and HK$7,542 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Turkish Airlines
Wed, 18 Mar - Wed, 25 Mar
IAD
Washington
BKK
Bangkok
HK$7,542 Return, found 2 days ago
HK$7,542
Return
found 2 days ago
Select Turkish Airlines flight, departing Wed, 18 Mar from Washington to Bangkok, returning Wed, 25 Mar, priced at HK$7,542 found 2 days ago
Etihad Airways
Wed, 18 Mar - Wed, 25 Mar
IAD
Washington
BKK
Bangkok
HK$9,226 Return, found 2 days ago
HK$9,226
Return
found 2 days ago
Select Etihad Airways flight, departing Wed, 18 Mar from Washington to Bangkok, returning Wed, 25 Mar, priced at HK$9,226 found 2 days ago
Turkish Airlines
Wed, 18 Mar - Wed, 25 Mar
IAD
Washington
BKK
Bangkok
HK$9,366 Return, found 2 days ago
HK$9,366
Return
found 2 days ago
Select Turkish Airlines flight, departing Wed, 18 Mar from Washington to Bangkok, returning Wed, 25 Mar, priced at HK$9,366 found 2 days ago
Qatar Airways
Wed, 18 Mar - Wed, 25 Mar
IAD
Washington
BKK
Bangkok
HK$9,386 Return, found 2 days ago
HK$9,386
Return
found 2 days ago
Select Qatar Airways flight, departing Wed, 18 Mar from Washington to Bangkok, returning Wed, 25 Mar, priced at HK$9,386 found 2 days ago
Turkish Airlines
Wed, 18 Mar - Wed, 25 Mar
IAD
Washington
BKK
Bangkok
HK$9,502 Return, found 2 days ago
HK$9,502
Return
found 2 days ago
Select Turkish Airlines flight, departing Wed, 18 Mar from Washington to Bangkok, returning Wed, 25 Mar, priced at HK$9,502 found 2 days ago
Qatar Airways
Wed, 18 Mar - Wed, 25 Mar
IAD
Washington
BKK
Bangkok
HK$9,592 Return, found 2 days ago
HK$9,592
Return
found 2 days ago
Select Qatar Airways flight, departing Wed, 18 Mar from Washington to Bangkok, returning Wed, 25 Mar, priced at HK$9,592 found 2 days ago
Etihad Airways
Wed, 18 Mar - Wed, 25 Mar
IAD
Washington
BKK
Bangkok
HK$9,758 Return, found 2 days ago
HK$9,758
Return
found 2 days ago
Select Etihad Airways flight, departing Wed, 18 Mar from Washington to Bangkok, returning Wed, 25 Mar, priced at HK$9,758 found 2 days ago
Etihad Airways
Wed, 18 Mar - Wed, 25 Mar
IAD
Washington
BKK
Bangkok
HK$9,806 Return, found 2 days ago
HK$9,806
Return
found 2 days ago
Select Etihad Airways flight, departing Wed, 18 Mar from Washington to Bangkok, returning Wed, 25 Mar, priced at HK$9,806 found 2 days ago
American Airlines
Wed, 18 Mar - Wed, 25 Mar
IAD
Washington
BKK
Bangkok
HK$10,022 Return, found 2 days ago
HK$10,022
Return
found 2 days ago
Select American Airlines flight, departing Wed, 18 Mar from Washington to Bangkok, returning Wed, 25 Mar, priced at HK$10,022 found 2 days ago
Korean Air
Wed, 18 Mar - Wed, 25 Mar
IAD
Washington
BKK
Bangkok
HK$10,172 Return, found 2 days ago
HK$10,172
Return
found 2 days ago
Select Korean Air flight, departing Wed, 18 Mar from Washington to Bangkok, returning Wed, 25 Mar, priced at HK$10,172 found 2 days ago

Find the cheapest month to fly from Washington (IAD) to Bangkok (BKK)

April is typically the cheapest month to fly

From HK$6,072 - HK$13,097 per traveller.
Washington to Bangkok route information
Origin airport
Washington Dulles Intl.
Destination airport
Suvarnabhumi Intl.
Airlines serving
American Airlines, Emirates, Ethiopian Airlines, Etihad Airways, Korean Air, Qatar Airways, SriLankan Airlines, Turkish Airlines, United
Return price
HK$7,542
Distance
14075 km

Flights from Chantilly to Bangkok

Book cheap flights from Chantilly (IAD) to Bangkok (BKK) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.

Search for flights from Chantilly (IAD) to Bangkok (BKK) to find great flight deals suitable to your travel date and time. Expedia.com.hk flight booking search engine is simple to use and looking for cheap flights is as easy as a click of a mouse or on your mobile devices.

Be assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Chantilly (IAD) to Bangkok (BKK) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

Save more when combine your Bangkok flight with a hotel for a package deal! Discover additional savings by booking in advance. Now you can find activities in Bangkok and things to do in Bangkok for your perfect vacation with Expedia Thing to Do.

If you would like to book flights to Bangkok more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Bangkok is HK$3,335 now!

 

Frequently asked questions

How much is a flight from IAD to Suvarnabhumi Airport?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price listed for a round-trip flight from IAD to Suvarnabhumi Intl. Airport (BKK) was HK$7,542. Fares this good don't wait forever, so make sure you book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Dulles Intl. Airport to Suvarnabhumi Intl. Airport (BKK)?
Every air carrier has its own terms and conditions. If you do decide to cancel, follow the easy instructions on our Customer Service Portal.
How do I find cheap flights from Washington Dulles Intl. Airport (IAD) to Suvarnabhumi Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Dulles Intl. Airport to Bangkok Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Washington Dulles Intl. Airport (IAD) to Suvarnabhumi Intl. Airport (BKK)?
With a flight distance of 14,200 kilometers between Chantilly and Bang Phli, this is a long-haul journey. Remember to stay hydrated and move your legs every now and then.
Which airlines fly direct from Washington Dulles Intl. Airport (IAD) to Suvarnabhumi Intl. Airport (BKK)?
At present, no airlines offer direct flights from IAD to Suvarnabhumi Intl. Airport (BKK). You'll have to book a flight with one or more stops. To score the best connections and price, lock in your airfare well in advance.
Are Washington Dulles Intl. Airport (IAD) to Suvarnabhumi Intl. Airport (BKK) flight tickets cheaper when they're purchased at the last minute?
Tickets from IAD to BKK are available up to 12 months prior to departure on Expedia. And although you may occasionally score a fantastic last-minute deal, it's never something you can count on. Also, booking your flights in advance means you'll have more options — and you can avoid getting stuck in the dreaded middle seat! We regularly update our fares to make sure you get the biggest bargains, so keep checking in for all the latest specials.

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