฿13,465 Cheap Flights from Washington (IAD) to Bangkok (BKK)

View ฿13,465 flight on Wed, 13 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 ฿13,465 for one-way flights and ฿26,385 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Brussels Airlines
Mon, 1 Jun - Mon, 6 Jul
IAD
Washington
BKK
Bangkok
฿26,385 Return, found 4 hours ago
฿26,385
Return
found 4 hours ago
Select Brussels Airlines flight, departing Mon, 1 Jun from Washington to Bangkok, returning Mon, 6 Jul, priced at ฿26,385 found 4 hours ago
Etihad Airways
Sun, 1 Feb - Mon, 9 Feb
IAD
Washington
BKK
Bangkok
฿27,535 Return, found 11 hours ago
฿27,535
Return
found 11 hours ago
Select Etihad Airways flight, departing Sun, 1 Feb from Washington to Bangkok, returning Mon, 9 Feb, priced at ฿27,535 found 11 hours ago
ITA Airways
Mon, 1 Jun - Mon, 6 Jul
IAD
Washington
BKK
Bangkok
฿28,795 Return, found 4 hours ago
฿28,795
Return
found 4 hours ago
Select ITA Airways flight, departing Mon, 1 Jun from Washington to Bangkok, returning Mon, 6 Jul, priced at ฿28,795 found 4 hours ago
Korean Air
Mon, 26 Jan - Mon, 2 Feb
IAD
Washington
BKK
Bangkok
฿28,985 Return, found 5 days ago
฿28,985
Return
found 5 days ago
Select Korean Air flight, departing Mon, 26 Jan from Washington to Bangkok, returning Mon, 2 Feb, priced at ฿28,985 found 5 days ago
STARLUX Airlines
Tue, 31 Mar - Wed, 29 Apr
IAD
Washington
BKK
Bangkok
฿29,510 Return, found 1 day ago
฿29,510
Return
found 1 day ago
Select STARLUX Airlines flight, departing Tue, 31 Mar from Washington to Bangkok, returning Wed, 29 Apr, priced at ฿29,510 found 1 day ago
Qatar Airways
Wed, 18 Mar - Wed, 22 Apr
IAD
Washington
BKK
Bangkok
฿29,535 Return, found 16 hours ago
฿29,535
Return
found 16 hours ago
Select Qatar Airways flight, departing Wed, 18 Mar from Washington to Bangkok, returning Wed, 22 Apr, priced at ฿29,535 found 16 hours ago
United
Tue, 3 Feb - Tue, 10 Feb
IAD
Washington
BKK
Bangkok
฿29,550 Return, found 4 days ago
฿29,550
Return
found 4 days ago
Select United flight, departing Tue, 3 Feb from Washington to Bangkok, returning Tue, 10 Feb, priced at ฿29,550 found 4 days ago
Air China
Tue, 31 Mar - Fri, 3 Apr
IAD
Washington
BKK
Bangkok
฿29,785 Return, found 5 days ago
฿29,785
Return
found 5 days ago
Select Air China flight, departing Tue, 31 Mar from Washington to Bangkok, returning Fri, 3 Apr, priced at ฿29,785 found 5 days ago
Turkish Airlines
Tue, 3 Mar - Thu, 19 Mar
IAD
Washington
BKK
Bangkok
฿29,835 Return, found 2 days ago
฿29,835
Return
found 2 days ago
Select Turkish Airlines flight, departing Tue, 3 Mar from Washington to Bangkok, returning Thu, 19 Mar, priced at ฿29,835 found 2 days ago
All Nippon Airways
Mon, 12 Oct - Sun, 1 Nov
IAD
Washington
BKK
Bangkok
฿30,055 Return, found 23 hours ago
฿30,055
Return
found 23 hours ago
Select All Nippon Airways flight, departing Mon, 12 Oct from Washington to Bangkok, returning Sun, 1 Nov, priced at ฿30,055 found 23 hours ago

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

March is typically the cheapest month to fly

From ฿25,010 - ฿53,263 per traveller.

Alternative airports near Bangkok

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

Select flight to Suvarnabhumi Intl. BKK. Cheapest option available. Average driving time to city centre is 23 minutes. Flights from ฿32,520
BKK
Suvarnabhumi Intl.
Cheapest
Average driving time to city centre23 min
Flights from ฿32,520

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 ฿26,385. 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 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
฿26,385
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 ฿13,465 and roundtrip prices from ฿26,385. 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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