S$795 Cheap Flights from Washington to Bangkok

View S$795 flight on Sat, 9 Jan, 2027Opens in a new window

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

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 40% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Washington to Bangkok (DCA-BKK)

Prices were available within the past 7 days and start at S$795 for one-way flights and S$1,645 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, 9 May - Sun, 24 May
DCA
Washington
BKK
Bangkok
S$1,645 Return, found 5 days ago
S$1,645
Return
found 5 days ago
Select Alaska Airlines flight, departing Sat, 9 May from Washington to Bangkok, returning Sun, 24 May, priced at S$1,645 found 5 days ago
Qatar Airways
Sat, 9 May - Sun, 24 May
DCA
Washington
BKK
Bangkok
S$1,773 Return, found 5 days ago
S$1,773
Return
found 5 days ago
Select Qatar Airways flight, departing Sat, 9 May from Washington to Bangkok, returning Sun, 24 May, priced at S$1,773 found 5 days ago
Qatar Airways
Sat, 9 May - Sun, 24 May
DCA
Washington
BKK
Bangkok
S$1,793 Return, found 5 days ago
S$1,793
Return
found 5 days ago
Select Qatar Airways flight, departing Sat, 9 May from Washington to Bangkok, returning Sun, 24 May, priced at S$1,793 found 5 days ago
American Airlines
Sat, 9 May - Sun, 24 May
DCA
Washington
BKK
Bangkok
S$1,800 Return, found 5 days ago
S$1,800
Return
found 5 days ago
Select American Airlines flight, departing Sat, 9 May from Washington to Bangkok, returning Sun, 24 May, priced at S$1,800 found 5 days ago
Alaska Airlines
Sat, 9 May - Sun, 24 May
DCA
Washington
BKK
Bangkok
S$1,825 Return, found 5 days ago
S$1,825
Return
found 5 days ago
Select Alaska Airlines flight, departing Sat, 9 May from Washington to Bangkok, returning Sun, 24 May, priced at S$1,825 found 5 days ago
American Airlines
Sat, 9 May - Sun, 24 May
DCA
Washington
BKK
Bangkok
S$1,852 Return, found 5 days ago
S$1,852
Return
found 5 days ago
Select American Airlines flight, departing Sat, 9 May from Washington to Bangkok, returning Sun, 24 May, priced at S$1,852 found 5 days ago
Qatar Airways
Sat, 9 May - Sun, 24 May
DCA
Washington
BKK
Bangkok
S$1,867 Return, found 5 days ago
S$1,867
Return
found 5 days ago
Select Qatar Airways flight, departing Sat, 9 May from Washington to Bangkok, returning Sun, 24 May, priced at S$1,867 found 5 days ago
American Airlines
Sat, 9 May - Sun, 24 May
DCA
Washington
BKK
Bangkok
S$1,917 Return, found 5 days ago
S$1,917
Return
found 5 days ago
Select American Airlines flight, departing Sat, 9 May from Washington to Bangkok, returning Sun, 24 May, priced at S$1,917 found 5 days ago
Korean Air
Fri, 19 Jun - Sun, 21 Jun
DCA
Washington
BKK
Bangkok
S$2,299 Return, found 6 days ago
S$2,299
Return
found 6 days ago
Select Korean Air flight, departing Fri, 19 Jun from Washington to Bangkok, returning Sun, 21 Jun, priced at S$2,299 found 6 days ago
United
Sat, 9 May - Sun, 24 May
DCA
Washington
BKK
Bangkok
S$2,697 Return, found 5 days ago
S$2,697
Return
found 5 days ago
Select United flight, departing Sat, 9 May from Washington to Bangkok, returning Sun, 24 May, priced at S$2,697 found 5 days ago

Frequently asked questions

How much is a flight from DCA to BKK?
If you're travelling from DCA to Suvarnabhumi Airport, round-trip journeys start from S$1,645. 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 kilometres 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.
Return price
S$1,644
Distance
14085 km

Explore a world of travel with Expedia

*Available to Expedia members.