₩727,900 Cheap Flights from Washington (DCA) to Bangkok (BKK)

View ₩727,900 flight on Mon, Feb 2, 2026Opens in a new window

Popular airlines from Ronald Reagan Washington National Airport (DCA) to Suvarnabhumi Intl. Airport (BKK)

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Cheap Flights from Washington to Bangkok (DCA-BKK)

Prices were available within the past 7 days and start at ₩727,900 for one-way flights and ₩1,342,200 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Feb 2 - Tue, Feb 10
DCA
Washington
BKK
Bangkok
₩1,342,200 Roundtrip, found 4 days ago
₩1,342,200
Roundtrip
found 4 days ago
Select United flight, departing Mon, Feb 2 from Washington to Bangkok, returning Tue, Feb 10, priced at ₩1,342,200 found 4 days ago
Korean Air
Mon, Feb 2 - Tue, Feb 10
DCA
Washington
BKK
Bangkok
₩1,351,500 Roundtrip, found 4 days ago
₩1,351,500
Roundtrip
found 4 days ago
Select Korean Air flight, departing Mon, Feb 2 from Washington to Bangkok, returning Tue, Feb 10, priced at ₩1,351,500 found 4 days ago
Korean Air
Mon, Feb 2 - Tue, Feb 10
DCA
Washington
BKK
Bangkok
₩1,383,200 Roundtrip, found 4 days ago
₩1,383,200
Roundtrip
found 4 days ago
Select Korean Air flight, departing Mon, Feb 2 from Washington to Bangkok, returning Tue, Feb 10, priced at ₩1,383,200 found 4 days ago
Korean Air
Mon, Feb 2 - Tue, Feb 10
DCA
Washington
BKK
Bangkok
₩1,387,100 Roundtrip, found 4 days ago
₩1,387,100
Roundtrip
found 4 days ago
Select Korean Air flight, departing Mon, Feb 2 from Washington to Bangkok, returning Tue, Feb 10, priced at ₩1,387,100 found 4 days ago
Delta
Mon, Feb 2 - Tue, Feb 10
DCA
Washington
BKK
Bangkok
₩1,414,900 Roundtrip, found 4 days ago
₩1,414,900
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Feb 2 from Washington to Bangkok, returning Tue, Feb 10, priced at ₩1,414,900 found 4 days ago
Delta
Mon, Feb 2 - Tue, Feb 10
DCA
Washington
BKK
Bangkok
₩1,416,200 Roundtrip, found 4 days ago
₩1,416,200
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Feb 2 from Washington to Bangkok, returning Tue, Feb 10, priced at ₩1,416,200 found 4 days ago
Korean Air
Mon, Feb 2 - Tue, Feb 10
DCA
Washington
BKK
Bangkok
₩1,418,800 Roundtrip, found 4 days ago
₩1,418,800
Roundtrip
found 4 days ago
Select Korean Air flight, departing Mon, Feb 2 from Washington to Bangkok, returning Tue, Feb 10, priced at ₩1,418,800 found 4 days ago
Delta
Mon, Feb 2 - Tue, Feb 10
DCA
Washington
BKK
Bangkok
₩1,420,100 Roundtrip, found 4 days ago
₩1,420,100
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Feb 2 from Washington to Bangkok, returning Tue, Feb 10, priced at ₩1,420,100 found 4 days ago
Alaska Airlines
Mon, Feb 2 - Tue, Feb 10
DCA
Washington
BKK
Bangkok
₩1,421,100 Roundtrip, found 4 days ago
₩1,421,100
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Mon, Feb 2 from Washington to Bangkok, returning Tue, Feb 10, priced at ₩1,421,100 found 4 days ago
All Nippon Airways
Mon, Feb 2 - Tue, Feb 10
DCA
Washington
BKK
Bangkok
₩1,494,400 Roundtrip, found 4 days ago
₩1,494,400
Roundtrip
found 4 days ago
Select All Nippon Airways flight, departing Mon, Feb 2 from Washington to Bangkok, returning Tue, Feb 10, priced at ₩1,494,400 found 4 days ago

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

September is typically the cheapest month to fly

From ₩1,108,371 - ₩1,860,661 per traveler.

Frequently asked questions

How much is a flight from DCA to BKK?
If you're traveling from DCA to Suvarnabhumi Airport, round-trip journeys start from ₩1,342,200. This price is based on fares quoted within the last 7 days on Expedia for flights departing within the next year, so don't let a good deal pass you by. Book today and save yourself money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Ronald Reagan Washington National Airport (DCA) to BKK?
Every air carrier has its own terms and conditions. If you do decide to cancel, follow the instructions on our Customer Service Portal.
How do I find cheap flights from DCA to BKK 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 DCA to BKK flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Ronald Reagan Washington National Airport (DCA) to BKK?
With a flight distance of 14,200 kilometers between Ronald Reagan Washington National Airport (DCA) and Bangkok Airport, this is a long journey. Remember to drink lots of water and move your legs every now and then.
Which airlines fly direct from National Airport to Suvarnabhumi Intl. Airport (BKK)?
There are no direct flights, so you'll need to make at least one stop between DCA and BKK. Make the most of the layover time to stretch your legs and grab a bite to eat.
Are DCA to Bangkok Airport flight tickets cheaper when they're purchased at the last minute?
It is possible to get great last-minute deals from Ronald Reagan Washington National Airport (DCA) to BKK, but it can also be hit-or-miss. As many airlines advertise prices up to 12 months in advance, it's worth keeping an eye on fares early and being ready to pounce when you spot a good bargain. Expedia compares carrier prices and updates flight deals often, so you can be sure you're always getting the latest offers.

Travel information

Origin airport
Ronald Reagan Washington National
Destination airport
Suvarnabhumi Intl.
Airlines serving
Air Canada, All Nippon Airways, American Airlines, Cathay Pacific, Delta, Japan Airlines, Qatar Airways
Roundtrip price
₩1,342,200
Distance
14085 km

Book with confidence

Washington to Bangkok Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Washington to Bangkok will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Bangkok.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with DCA to BKK flights that won’t make your bank account wince. Ready to temporarily leave behind Washington for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to BKK with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Washington to Bangkok Flights

Explore a world of travel with Expedia

Washington nearby Airports

Washington

Washington Dulles Intl. to Bangkok
₩1,208,500

Baltimore

*Available to Expedia members.