Cheap Flights from Bangkok (BKK) to Washington (IAD) from HK$5,089~

View HK$5,089 flight on Mon, 15 Dec 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at HK$5,089 for one-way flights and HK$7,940 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Saudia
Thu, 18 Sep - Sat, 4 Oct
BKK
Bangkok
IAD
Washington
HK$7,940 Return, found 3 days ago
HK$7,940
Return
found 3 days ago
Select Saudia flight, departing Thu, 18 Sep from Bangkok to Washington, returning Sat, 4 Oct, priced at HK$7,940 found 3 days ago
Saudia
Thu, 18 Sep - Sat, 4 Oct
BKK
Bangkok
IAD
Washington
HK$8,290 Return, found 3 days ago
HK$8,290
Return
found 3 days ago
Select Saudia flight, departing Thu, 18 Sep from Bangkok to Washington, returning Sat, 4 Oct, priced at HK$8,290 found 3 days ago
China Airlines
Mon, 8 Sep - Tue, 16 Sep
BKK
Bangkok
IAD
Washington
HK$8,845 Return, found 5 days ago
HK$8,845
Return
found 5 days ago
Select China Airlines flight, departing Mon, 8 Sep from Bangkok to Washington, returning Tue, 16 Sep, priced at HK$8,845 found 5 days ago
Saudia
Sun, 14 Dec - Fri, 2 Jan
BKK
Bangkok
IAD
Washington
HK$9,060 Return, found 2 days ago
HK$9,060
Return
found 2 days ago
Select Saudia flight, departing Sun, 14 Dec from Bangkok to Washington, returning Fri, 2 Jan, priced at HK$9,060 found 2 days ago
Qatar Airways
Mon, 8 Sep - Tue, 16 Sep
BKK
Bangkok
IAD
Washington
HK$9,440 Return, found 5 days ago
HK$9,440
Return
found 5 days ago
Select Qatar Airways flight, departing Mon, 8 Sep from Bangkok to Washington, returning Tue, 16 Sep, priced at HK$9,440 found 5 days ago
Air Canada
Mon, 8 Sep - Tue, 16 Sep
BKK
Bangkok
IAD
Washington
HK$9,522 Return, found 5 days ago
HK$9,522
Return
found 5 days ago
Select Air Canada flight, departing Mon, 8 Sep from Bangkok to Washington, returning Tue, 16 Sep, priced at HK$9,522 found 5 days ago
United
Mon, 8 Sep - Tue, 16 Sep
BKK
Bangkok
IAD
Washington
HK$10,331 Return, found 5 days ago
HK$10,331
Return
found 5 days ago
Select United flight, departing Mon, 8 Sep from Bangkok to Washington, returning Tue, 16 Sep, priced at HK$10,331 found 5 days ago
Swiss International Air Lines
Mon, 8 Sep - Tue, 16 Sep
BKK
Bangkok
IAD
Washington
HK$10,351 Return, found 5 days ago
HK$10,351
Return
found 5 days ago
Select Swiss International Air Lines flight, departing Mon, 8 Sep from Bangkok to Washington, returning Tue, 16 Sep, priced at HK$10,351 found 5 days ago
All Nippon Airways
Thu, 18 Sep - Sat, 4 Oct
BKK
Bangkok
IAD
Washington
HK$10,524 Return, found 3 days ago
HK$10,524
Return
found 3 days ago
Select All Nippon Airways flight, departing Thu, 18 Sep from Bangkok to Washington, returning Sat, 4 Oct, priced at HK$10,524 found 3 days ago
Delta
Mon, 15 Dec - Fri, 2 Jan
BKK
Bangkok
IAD
Washington
HK$11,012 Return, found 1 day ago
HK$11,012
Return
found 1 day ago
Select Delta flight, departing Mon, 15 Dec from Bangkok to Washington, returning Fri, 2 Jan, priced at HK$11,012 found 1 day ago

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

May is typically the cheapest month to fly

From HK$6,486 - HK$10,494 per traveller.

Graph displaying average flight prices per month

Bangkok to Washington route information
Origin airport
Suvarnabhumi Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
Air France, All Nippon Airways, Austrian Airlines, Delta, Emirates, Ethiopian Airlines, Etihad Airways, Korean Air, Lufthansa, Qatar Airways, Saudia, Singapore Airlines, Swiss International Air Lines, Turkish Airlines, United
Return price
HK$7,940
Distance
14075 km

Flights from Bangkok to Chantilly

Book cheap flights from Bangkok (BKK) to Chantilly (IAD) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.

Search for flights from Bangkok (BKK) to Chantilly (IAD) to find great flight deals suitable to your travel date and time. Expedia.com.hk flight booking search engine is simple to use and looking for cheap flights is as easy as a click of a mouse or on your mobile devices.

Be assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Bangkok (BKK) to Chantilly (IAD) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

Save more when combine your Chantilly flight with a hotel for a package deal! Discover additional savings by booking in advance. Now you can find activities in Chantilly and things to do in Chantilly for your perfect vacation with Expedia Thing to Do.

If you would like to book flights to Chantilly more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Chantilly is HK$5,089 now!

 

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 HK$7,940. 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 canceled 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 kilometers 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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