฿15,480 Cheap Flights from Washington (IAD) to Bangkok (BKK)

View ฿15,480 flight on Wed, 26 Nov 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 ฿15,480 for one-way flights and ฿28,190 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Etihad Airways
Wed, 24 Sept - Thu, 9 Oct
IAD
Washington
BKK
Bangkok
฿28,190 Return, just found
฿28,190
Return
just found
Select Etihad Airways flight, departing Wed, 24 Sept from Washington to Bangkok, returning Thu, 9 Oct, priced at ฿28,190 just found
Qatar Airways
Thu, 25 Sept - Mon, 29 Sept
IAD
Washington
BKK
Bangkok
฿29,550 Return, found 1 hour ago
฿29,550
Return
found 1 hour ago
Select Qatar Airways flight, departing Thu, 25 Sept from Washington to Bangkok, returning Mon, 29 Sept, priced at ฿29,550 found 1 hour ago
United
Mon, 29 Sept - Tue, 7 Oct
IAD
Washington
BKK
Bangkok
฿29,855 Return, found 3 days ago
฿29,855
Return
found 3 days ago
Select United flight, departing Mon, 29 Sept from Washington to Bangkok, returning Tue, 7 Oct, priced at ฿29,855 found 3 days ago
Air China
Tue, 28 Oct - Tue, 21 Apr
IAD
Washington
BKK
Bangkok
฿30,180 Return, found 1 day ago
฿30,180
Return
found 1 day ago
Select Air China flight, departing Tue, 28 Oct from Washington to Bangkok, returning Tue, 21 Apr, priced at ฿30,180 found 1 day ago
Turkish Airlines
Wed, 24 Sept - Thu, 9 Oct
IAD
Washington
BKK
Bangkok
฿30,610 Return, just found
฿30,610
Return
just found
Select Turkish Airlines flight, departing Wed, 24 Sept from Washington to Bangkok, returning Thu, 9 Oct, priced at ฿30,610 just found
Korean Air
Tue, 10 Mar - Tue, 17 Mar
IAD
Washington
BKK
Bangkok
฿30,820 Return, found 5 days ago
฿30,820
Return
found 5 days ago
Select Korean Air flight, departing Tue, 10 Mar from Washington to Bangkok, returning Tue, 17 Mar, priced at ฿30,820 found 5 days ago
All Nippon Airways
Thu, 11 Sept - Wed, 17 Sept
IAD
Washington
BKK
Bangkok
฿30,845 Return, found 9 hours ago
฿30,845
Return
found 9 hours ago
Select All Nippon Airways flight, departing Thu, 11 Sept from Washington to Bangkok, returning Wed, 17 Sept, priced at ฿30,845 found 9 hours ago
Delta
Thu, 11 Sept - Wed, 24 Sept
IAD
Washington
BKK
Bangkok
฿32,245 Return, found 9 hours ago
฿32,245
Return
found 9 hours ago
Select Delta flight, departing Thu, 11 Sept from Washington to Bangkok, returning Wed, 24 Sept, priced at ฿32,245 found 9 hours ago
American Airlines
Tue, 21 Oct - Sun, 16 Nov
IAD
Washington
BKK
Bangkok
฿34,130 Return, found 2 hours ago
฿34,130
Return
found 2 hours ago
Select American Airlines flight, departing Tue, 21 Oct from Washington to Bangkok, returning Sun, 16 Nov, priced at ฿34,130 found 2 hours ago
Air Canada
Thu, 18 Sept - Mon, 24 Nov
IAD
Washington
BKK
Bangkok
฿35,530 Return, found 6 days ago
฿35,530
Return
found 6 days ago
Select Air Canada flight, departing Thu, 18 Sept from Washington to Bangkok, returning Mon, 24 Nov, priced at ฿35,530 found 6 days ago

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

April is typically the cheapest month to fly

From ฿25,240 - ฿54,846 per traveller.
Flight from Washington to Bangkok route information
Origin airport
Washington Dulles Intl.
Destination airport
Suvarnabhumi Intl.
Airlines serving
Air Canada, Air China, Air France, All Nippon Airways, American Airlines, Austrian Airlines, Delta, Emirates, Ethiopian Airlines, Etihad Airways, KLM, Korean Air, Lufthansa, Qatar Airways, SriLankan Airlines, Swiss International Air Lines, Thai Airways International, Turkish Airlines, United
Return price
฿28,190
Distance
14075 km

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 ฿15,480 and roundtrip prices from ฿28,190. 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.

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 ฿28,190. 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.

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