CA $834 Cheap Flights from Washington (IAD) to Bangkok (BKK)

View CA $834 flight on Mon, Sep. 22, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at CA $834 for one-way flights and CA $1,382 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Etihad Airways
Mon., Oct. 20 - Fri., Oct. 31
IAD
Washington
BKK
Bangkok
CA $1,382 Roundtrip, just found
CA $1,382
Roundtrip
just found
Select Etihad Airways flight, departing Mon., Oct. 20 from Washington to Bangkok, returning Fri., Oct. 31, priced at CA $1,382 just found
Qatar Airways
Mon., Sep. 22 - Tue., Sep. 30
IAD
Washington
BKK
Bangkok
CA $1,455 Roundtrip, just found
CA $1,455
Roundtrip
just found
Select Qatar Airways flight, departing Mon., Sep. 22 from Washington to Bangkok, returning Tue., Sep. 30, priced at CA $1,455 just found
JetBlue Airways
Mon., Sep. 22 - Tue., Sep. 30
IAD
Washington
BKK
Bangkok
CA $1,456 Roundtrip, just found
CA $1,456
Roundtrip
just found
Select JetBlue Airways flight, departing Mon., Sep. 22 from Washington to Bangkok, returning Tue., Sep. 30, priced at CA $1,456 just found
Turkish Airlines
Mon., Sep. 22 - Tue., Sep. 30
IAD
Washington
BKK
Bangkok
CA $1,540 Roundtrip, just found
CA $1,540
Roundtrip
just found
Select Turkish Airlines flight, departing Mon., Sep. 22 from Washington to Bangkok, returning Tue., Sep. 30, priced at CA $1,540 just found
Etihad Airways
Fri., Sep. 12 - Sat., Sep. 27
IAD
Washington
DMK
Bangkok
CA $1,602 Roundtrip, found 3 days ago
CA $1,602
Roundtrip
found 3 days ago
Select Etihad Airways flight, departing Fri., Sep. 12 from Washington to Bangkok, returning Sat., Sep. 27, priced at CA $1,602 found 3 days ago
Ethiopian Airlines
Wed., May 7 - Wed., May 14
IAD
Washington
BKK
Bangkok
CA $1,799 Roundtrip, found 2 days ago
CA $1,799
Roundtrip
found 2 days ago
Select Ethiopian Airlines flight, departing Wed., May 7 from Washington to Bangkok, returning Wed., May 14, priced at CA $1,799 found 2 days ago
Emirates
Mon., Sep. 22 - Tue., Sep. 30
IAD
Washington
BKK
Bangkok
CA $1,814 Roundtrip, just found
CA $1,814
Roundtrip
just found
Select Emirates flight, departing Mon., Sep. 22 from Washington to Bangkok, returning Tue., Sep. 30, priced at CA $1,814 just found
Air India
Fri., Jun. 13 - Thu., Jun. 19
IAD
Washington
BKK
Bangkok
CA $1,884 Roundtrip, found 2 days ago
CA $1,884
Roundtrip
found 2 days ago
Select Air India flight, departing Fri., Jun. 13 from Washington to Bangkok, returning Thu., Jun. 19, priced at CA $1,884 found 2 days ago
Air Canada
Mon., Sep. 22 - Tue., Sep. 30
IAD
Washington
BKK
Bangkok
CA $1,887 Roundtrip, just found
CA $1,887
Roundtrip
just found
Select Air Canada flight, departing Mon., Sep. 22 from Washington to Bangkok, returning Tue., Sep. 30, priced at CA $1,887 just found
Swiss International Air Lines
Mon., Sep. 22 - Tue., Sep. 30
IAD
Washington
BKK
Bangkok
CA $2,055 Roundtrip, just found
CA $2,055
Roundtrip
just found
Select Swiss International Air Lines flight, departing Mon., Sep. 22 from Washington to Bangkok, returning Tue., Sep. 30, priced at CA $2,055 just found

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 CA $1,382. 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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