฿15,395 Cheap Flights from Washington (IAD) to Bangkok (BKK)

View ฿15,395 flight on Thu, 13 Aug 2026Opens 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 ฿15,395 for one-way flights and ฿29,575 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Etihad Airways
Thu, 8 Oct - Tue, 13 Oct
IAD
Washington
BKK
Bangkok
฿29,575 Return, found 2 days ago
฿29,575
Return
found 2 days ago
Select Etihad Airways flight, departing Thu, 8 Oct from Washington to Bangkok, returning Tue, 13 Oct, priced at ฿29,575 found 2 days ago
Qatar Airways
Tue, 26 Jan - Tue, 9 Feb
IAD
Washington
BKK
Bangkok
฿33,095 Return, found 18 hours ago
฿33,095
Return
found 18 hours ago
Select Qatar Airways flight, departing Tue, 26 Jan from Washington to Bangkok, returning Tue, 9 Feb, priced at ฿33,095 found 18 hours ago
Turkish Airlines
Tue, 26 Jan - Tue, 9 Feb
IAD
Washington
BKK
Bangkok
฿35,290 Return, found 18 hours ago
฿35,290
Return
found 18 hours ago
Select Turkish Airlines flight, departing Tue, 26 Jan from Washington to Bangkok, returning Tue, 9 Feb, priced at ฿35,290 found 18 hours ago
Saudia
Fri, 2 Oct - Sun, 18 Oct
IAD
Washington
BKK
Bangkok
฿39,400 Return, found 3 days ago
฿39,400
Return
found 3 days ago
Select Saudia flight, departing Fri, 2 Oct from Washington to Bangkok, returning Sun, 18 Oct, priced at ฿39,400 found 3 days ago
EVA Airways
Thu, 10 Sept - Mon, 12 Oct
IAD
Washington
BKK
Bangkok
฿39,685 Return, found 2 days ago
฿39,685
Return
found 2 days ago
Select EVA Airways flight, departing Thu, 10 Sept from Washington to Bangkok, returning Mon, 12 Oct, priced at ฿39,685 found 2 days ago
Emirates
Tue, 12 Jan - Fri, 29 Jan
IAD
Washington
BKK
Bangkok
฿45,235 Return, found 1 day ago
฿45,235
Return
found 1 day ago
Select Emirates flight, departing Tue, 12 Jan from Washington to Bangkok, returning Fri, 29 Jan, priced at ฿45,235 found 1 day ago
STARLUX Airlines
Fri, 21 Aug - Sat, 12 Sept
IAD
Washington
BKK
Bangkok
฿45,965 Return, found 2 days ago
฿45,965
Return
found 2 days ago
Select STARLUX Airlines flight, departing Fri, 21 Aug from Washington to Bangkok, returning Sat, 12 Sept, priced at ฿45,965 found 2 days ago
Air Canada
Fri, 21 Aug - Sat, 12 Sept
IAD
Washington
BKK
Bangkok
฿47,565 Return, found 2 days ago
฿47,565
Return
found 2 days ago
Select Air Canada flight, departing Fri, 21 Aug from Washington to Bangkok, returning Sat, 12 Sept, priced at ฿47,565 found 2 days ago
Austrian Airlines
Sun, 6 Sept - Tue, 15 Sept
IAD
Washington
BKK
Bangkok
฿48,825 Return, found 1 day ago
฿48,825
Return
found 1 day ago
Select Austrian Airlines flight, departing Sun, 6 Sept from Washington to Bangkok, returning Tue, 15 Sept, priced at ฿48,825 found 1 day ago
Swiss International Air Lines
Sun, 6 Sept - Tue, 15 Sept
IAD
Washington
BKK
Bangkok
฿49,090 Return, found 1 day ago
฿49,090
Return
found 1 day ago
Select Swiss International Air Lines flight, departing Sun, 6 Sept from Washington to Bangkok, returning Tue, 15 Sept, priced at ฿49,090 found 1 day ago

Alternative airports near Bangkok

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Don Mueang Intl. DMK. Closest option available. Average driving time to city centre is 19 minutes. Flights from ฿101,170
DMK
Don Mueang Intl.
Closest
Average driving time to city centre19 min
Flights from ฿101,170

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

April is typically the cheapest month to fly

From ฿24,589 - ฿55,222 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 ฿29,575. 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
Air Canada, Air France, All Nippon Airways, American Airlines, Austrian Airlines, Delta, EVA Airways, Emirates, Ethiopian Airlines, Etihad Airways, Finnair, KLM, Korean Air, Lufthansa, Qatar Airways, Swiss International Air Lines, Thai Airways International, Turkish Airlines, United
Return price
฿29,575
Distance
14075 km

Book with confidence

Perfect flights from Washington to Bangkok

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Washington to Bangkok. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Washington Dulles Intl. to Suvarnabhumi Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿15,395 and roundtrip prices from ฿29,575. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Suvarnabhumi Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Bangkok.
Perfect flights from Washington to Bangkok
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