€392 Cheap Flights Washington to Bangkok (IAD-BKK)

View €392 flight on Thu, 16 Apr 2026Opens in a new window

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

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Cheap flights from Washington to Bangkok (IAD-BKK)

Prices were available within the past 7 days and start at €392 for one-way flights and €768 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Etihad Airways
Thu, 16 Apr - Sat, 2 May
IAD
Washington
BKK
Bangkok
€768 Return, found 17 hours ago
€768
Return
found 17 hours ago
Select Etihad Airways flight, departing Thu, 16 Apr from Washington to Bangkok, returning Sat, 2 May, priced at €768 found 17 hours ago
Qatar Airways
Thu, 16 Apr - Sat, 2 May
IAD
Washington
BKK
Bangkok
€855 Return, found 17 hours ago
€855
Return
found 17 hours ago
Select Qatar Airways flight, departing Thu, 16 Apr from Washington to Bangkok, returning Sat, 2 May, priced at €855 found 17 hours ago
Etihad Airways
Thu, 16 Apr - Sat, 2 May
IAD
Washington
BKK
Bangkok
€897 Return, found 17 hours ago
€897
Return
found 17 hours ago
Select Etihad Airways flight, departing Thu, 16 Apr from Washington to Bangkok, returning Sat, 2 May, priced at €897 found 17 hours ago
Etihad Airways
Thu, 16 Apr - Sat, 2 May
IAD
Washington
BKK
Bangkok
€980 Return, found 17 hours ago
€980
Return
found 17 hours ago
Select Etihad Airways flight, departing Thu, 16 Apr from Washington to Bangkok, returning Sat, 2 May, priced at €980 found 17 hours ago
American Airlines
Sun, 26 Jul - Sun, 2 Aug
IAD
Washington
BKK
Bangkok
€1,124 Return, found 5 days ago
€1,124
Return
found 5 days ago
Select American Airlines flight, departing Sun, 26 Jul from Washington to Bangkok, returning Sun, 2 Aug, priced at €1,124 found 5 days ago
Emirates
Thu, 16 Apr - Sat, 2 May
IAD
Washington
BKK
Bangkok
€1,230 Return, found 17 hours ago
€1,230
Return
found 17 hours ago
Select Emirates flight, departing Thu, 16 Apr from Washington to Bangkok, returning Sat, 2 May, priced at €1,230 found 17 hours ago
EVA Airways
Sat, 18 Jul - Sun, 26 Jul
IAD
Washington
BKK
Bangkok
€1,259 Return, found 5 days ago
€1,259
Return
found 5 days ago
Select EVA Airways flight, departing Sat, 18 Jul from Washington to Bangkok, returning Sun, 26 Jul, priced at €1,259 found 5 days ago
Saudia
Sat, 18 Jul - Sun, 26 Jul
IAD
Washington
BKK
Bangkok
€1,447 Return, found 5 days ago
€1,447
Return
found 5 days ago
Select Saudia flight, departing Sat, 18 Jul from Washington to Bangkok, returning Sun, 26 Jul, priced at €1,447 found 5 days ago
Turkish Airlines
Sun, 26 Jul - Sun, 2 Aug
IAD
Washington
BKK
Bangkok
€1,553 Return, found 5 days ago
€1,553
Return
found 5 days ago
Select Turkish Airlines flight, departing Sun, 26 Jul from Washington to Bangkok, returning Sun, 2 Aug, priced at €1,553 found 5 days ago
KLM
Thu, 28 May - Thu, 4 Jun
IAD
Washington
BKK
Bangkok
€1,593 Return, found 3 hours ago
€1,593
Return
found 3 hours ago
Select KLM flight, departing Thu, 28 May from Washington to Bangkok, returning Thu, 4 Jun, priced at €1,593 found 3 hours ago

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

April is typically the cheapest month to fly

From €654 - €1,468 per traveller.

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 €768. 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 kilometres 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.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Suvarnabhumi Intl.
Airlines serving
Austrian Airlines, British Airways, Emirates, Ethiopian Airlines, Etihad Airways, Qatar Airways, Turkish Airlines, United
Return price
€768
Distance
14075 km

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