฿16,640 Cheap Flights from Bangkok (BKK) to Washington (IAD)

View ฿16,640 flight on Mon, 26 Jan 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at ฿16,640 for one-way flights and ฿28,670 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Thu, 4 Dec - Tue, 10 Mar
BKK
Bangkok
IAD
Washington
฿28,670 Return, found 3 days ago
฿28,670
Return
found 3 days ago
Select Air Canada flight, departing Thu, 4 Dec from Bangkok to Washington, returning Tue, 10 Mar, priced at ฿28,670 found 3 days ago
Saudia
Sat, 20 Dec - Sat, 10 Jan
BKK
Bangkok
IAD
Washington
฿29,415 Return, found 1 day ago
฿29,415
Return
found 1 day ago
Select Saudia flight, departing Sat, 20 Dec from Bangkok to Washington, returning Sat, 10 Jan, priced at ฿29,415 found 1 day ago
Korean Air
Thu, 23 Oct - Wed, 31 Dec
BKK
Bangkok
IAD
Washington
฿33,808 Return, found 2 days ago
฿33,808
Return
found 2 days ago
Select Korean Air flight, departing Thu, 23 Oct from Bangkok to Washington, returning Wed, 31 Dec, priced at ฿33,808 found 2 days ago
Delta
Thu, 4 Dec - Sun, 4 Jan
BKK
Bangkok
IAD
Washington
฿35,420 Return, found 5 days ago
฿35,420
Return
found 5 days ago
Select Delta flight, departing Thu, 4 Dec from Bangkok to Washington, returning Sun, 4 Jan, priced at ฿35,420 found 5 days ago
Ethiopian Airlines
Mon, 3 Nov - Mon, 17 Nov
BKK
Bangkok
IAD
Washington
฿37,170 Return, found 1 hour ago
฿37,170
Return
found 1 hour ago
Select Ethiopian Airlines flight, departing Mon, 3 Nov from Bangkok to Washington, returning Mon, 17 Nov, priced at ฿37,170 found 1 hour ago
Air China
Fri, 3 Oct - Tue, 25 Nov
BKK
Bangkok
IAD
Washington
฿37,980 Return, found 1 hour ago
฿37,980
Return
found 1 hour ago
Select Air China flight, departing Fri, 3 Oct from Bangkok to Washington, returning Tue, 25 Nov, priced at ฿37,980 found 1 hour ago
Qatar Airways
Tue, 23 Sept - Wed, 1 Oct
BKK
Bangkok
IAD
Washington
฿38,615 Return, found 5 days ago
฿38,615
Return
found 5 days ago
Select Qatar Airways flight, departing Tue, 23 Sept from Bangkok to Washington, returning Wed, 1 Oct, priced at ฿38,615 found 5 days ago
Swiss International Air Lines
Tue, 28 Oct - Tue, 21 Apr
BKK
Bangkok
IAD
Washington
฿39,620 Return, found 2 days ago
฿39,620
Return
found 2 days ago
Select Swiss International Air Lines flight, departing Tue, 28 Oct from Bangkok to Washington, returning Tue, 21 Apr, priced at ฿39,620 found 2 days ago
Austrian Airlines
Sun, 1 Feb - Sat, 28 Feb
BKK
Bangkok
IAD
Washington
฿40,205 Return, found 3 days ago
฿40,205
Return
found 3 days ago
Select Austrian Airlines flight, departing Sun, 1 Feb from Bangkok to Washington, returning Sat, 28 Feb, priced at ฿40,205 found 3 days ago
Lufthansa
Mon, 9 Feb - Mon, 16 Feb
BKK
Bangkok
IAD
Washington
฿41,365 Return, found 8 hours ago
฿41,365
Return
found 8 hours ago
Select Lufthansa flight, departing Mon, 9 Feb from Bangkok to Washington, returning Mon, 16 Feb, priced at ฿41,365 found 8 hours ago

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

May is typically the cheapest month to fly

From ฿26,711 - ฿43,252 per traveller.
Flight from Bangkok to Washington route information
Origin airport
Suvarnabhumi Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
Air Canada, Air China, Air France, All Nippon Airways, American Airlines, Austrian Airlines, Delta, Emirates, Ethiopian Airlines, Etihad Airways, ITA Airways, KLM, Korean Air, Lufthansa, Qatar Airways, Royal Jordanian, Swiss International Air Lines, Thai Airways International, Turkish Airlines, United
Return price
฿28,670
Distance
14075 km

Perfect flights from Bangkok to Washington

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Our flexible Suvarnabhumi Intl. to Washington Dulles Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿16,640 and roundtrip prices from ฿28,670. 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 Washington Dulles 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 Washington.

Frequently asked questions

How much is a flight from Suvarnabhumi Airport to IAD?
Based on fares advertised within the last 7 days on Expedia for flights departing within the next year, round-trip journeys between Suvarnabhumi Airport and Dulles Intl. Airport start from ฿28,670. Book now to secure the best price for your trip. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from BKK to Dulles Intl. Airport?
Most flights can be cancelled online, but each air carrier has different terms and conditions. If you do have to cancel your flight, go to our Customer Service Portal and follow the instructions.
How do I find cheap flights from Suvarnabhumi Airport to Washington Dulles Intl. Airport (IAD) 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 BKK to IAD flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Suvarnabhumi Intl. Airport (BKK) to Dulles Intl. Airport?
With around 14,200 kilometres separating Bangkok Airport and Dulles Intl. Airport, your flight will be a long one. Pack wisely and make your journey more comfortable. Things like a sleep mask and a quality neck pillow should be in your carry-on bag.
Which airlines fly direct from Bangkok Airport to Washington Dulles Intl. Airport (IAD)?
If you want to fly straight from Bangkok Airport to IAD, you'll need to book a flight with at least one stop. Unfortunately, there aren't any airlines that fly directly on this route.
Are Bangkok Airport to Washington Dulles Intl. Airport (IAD) flight tickets cheaper when they're purchased at the last minute?
Flight prices go up and down like a yo-yo, so not always. While last-minute deals between Suvarnabhumi Airport and Dulles Intl. Airport are possible, it also makes sense to keep an eye on prices well before you fly. In fact, some air carriers announce their prices up to 12 months prior to the departure date. Expedia is constantly updating the biggest airfare bargains around, so check back often and be ready to lock in your seat when the price is low.

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