฿13,625 Cheap Flights from Washington (IAD) to Bangkok (BKK)

View ฿13,625 flight on Thu, 7 May 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 ฿13,625 for one-way flights and ฿25,590 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Premia
Sun, 23 Aug - Tue, 1 Sept
IAD
Washington
BKK
Bangkok
฿25,590 Return, found 4 hours ago
฿25,590
Return
found 4 hours ago
Select Air Premia flight, departing Sun, 23 Aug from Washington to Bangkok, returning Tue, 1 Sept, priced at ฿25,590 found 4 hours ago
Etihad Airways
Thu, 9 Apr - Wed, 15 Apr
IAD
Washington
BKK
Bangkok
฿27,920 Return, found 15 hours ago
฿27,920
Return
found 15 hours ago
Select Etihad Airways flight, departing Thu, 9 Apr from Washington to Bangkok, returning Wed, 15 Apr, priced at ฿27,920 found 15 hours ago
Air China
Tue, 10 Mar - Thu, 26 Mar
IAD
Washington
BKK
Bangkok
฿29,790 Return, found 5 days ago
฿29,790
Return
found 5 days ago
Select Air China flight, departing Tue, 10 Mar from Washington to Bangkok, returning Thu, 26 Mar, priced at ฿29,790 found 5 days ago
STARLUX Airlines
Sat, 22 Aug - Wed, 2 Sept
IAD
Washington
BKK
Bangkok
฿29,865 Return, found 4 hours ago
฿29,865
Return
found 4 hours ago
Select STARLUX Airlines flight, departing Sat, 22 Aug from Washington to Bangkok, returning Wed, 2 Sept, priced at ฿29,865 found 4 hours ago
Turkish Airlines
Mon, 14 Sept - Tue, 1 Dec
IAD
Washington
BKK
Bangkok
฿29,935 Return, found 3 days ago
฿29,935
Return
found 3 days ago
Select Turkish Airlines flight, departing Mon, 14 Sept from Washington to Bangkok, returning Tue, 1 Dec, priced at ฿29,935 found 3 days ago
Qatar Airways
Wed, 1 Apr - Wed, 27 May
IAD
Washington
BKK
Bangkok
฿32,865 Return, found 20 hours ago
฿32,865
Return
found 20 hours ago
Select Qatar Airways flight, departing Wed, 1 Apr from Washington to Bangkok, returning Wed, 27 May, priced at ฿32,865 found 20 hours ago
American Airlines
Wed, 1 Apr - Sun, 31 May
IAD
Washington
BKK
Bangkok
฿33,705 Return, found 20 hours ago
฿33,705
Return
found 20 hours ago
Select American Airlines flight, departing Wed, 1 Apr from Washington to Bangkok, returning Sun, 31 May, priced at ฿33,705 found 20 hours ago
Korean Air
Mon, 14 Sept - Tue, 1 Dec
IAD
Washington
BKK
Bangkok
฿33,745 Return, found 3 days ago
฿33,745
Return
found 3 days ago
Select Korean Air flight, departing Mon, 14 Sept from Washington to Bangkok, returning Tue, 1 Dec, priced at ฿33,745 found 3 days ago
United
Wed, 22 Jul - Tue, 25 Aug
IAD
Washington
BKK
Bangkok
฿34,500 Return, found 4 hours ago
฿34,500
Return
found 4 hours ago
Select United flight, departing Wed, 22 Jul from Washington to Bangkok, returning Tue, 25 Aug, priced at ฿34,500 found 4 hours ago
All Nippon Airways
Mon, 4 May - Wed, 3 Jun
IAD
Washington
BKK
Bangkok
฿34,805 Return, found 6 days ago
฿34,805
Return
found 6 days ago
Select All Nippon Airways flight, departing Mon, 4 May from Washington to Bangkok, returning Wed, 3 Jun, priced at ฿34,805 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 ฿25,211 - ฿54,376 per traveller.
Flight from Washington to Bangkok route information
Origin airport
Washington Dulles Intl.
Destination airport
Suvarnabhumi Intl.
Airlines serving
Air Canada, Air France, Air Premia, 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
฿25,590
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 ฿13,625 and roundtrip prices from ฿25,590. 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 ฿25,590. 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.
*Available to Expedia members.