Worldwide Coverage
Worldwide Coverage
Flights to over 5,000 cities
One-stop Service Guarantee
One-stop Service Guarantee
Price guaranteed upon confirmed payment, booking guaranteed once tickets issued
Secure Payment
Secure Payment
Convenient & reliable booking and payment system

Washington D.C. to Bangkok - Flights Starting at US$541

Book one-way or return flights from Washington D.C. to Bangkok from as little as US$541. Choose from the popular airlines below and book your flight today!

  • One way
  • Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

We've found these cheap flights for you. You may book a one-way or round trip as per your needs.

We monitor flight fares to help you seize the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Cheapest airlines flights from Washington D.C. to Bangkok

View airlines operating flights from Washington D.C. to Bangkok. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Saudia
From US$441
Etihad Airways
From US$524
Qatar Airways
From US$538
Turkish Airlines
From US$558
Alaska Airlines
From US$574
Virgin Atlantic
From US$644
United Airlines
From US$646
Swiss Airlines
From US$677
American Airlines
From US$691
Air Canada
From US$692
ANA airlines

Find more flights and airlines

Alternative Routes from Washington D.C. to Bangkok

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Washington D.C. to Bangkok.

  • Cheapest
    Saudia
    IAD
    19:10
    31h 25m
    2 transfer
    BKK
    13:35
    Dulles International Airport - Suvarnabhumi Airport
    Tue, Aug 6Saudia
    US$441
  • Etihad Airways
    IAD
    22:00
    43h 25m
    2 transfer
    DMK
    04:25
    Dulles International Airport - Don Mueang International Airport
    Sun, May 19Etihad Airways
    US$524
  • Alaska Airlines
    DCA
    09:30
    43h 0m
    2 transfer
    BKK
    15:30
    Ronald Reagan Washington National Airport - Suvarnabhumi Airport
    Tue, Aug 13Alaska Airlines
    US$635
  • Alaska Airlines
    DCA
    09:30
    43h 0m
    2 transfer
    BKK
    15:30
    Ronald Reagan Washington National Airport - Suvarnabhumi Airport
    Tue, Aug 13Alaska Airlines
    US$635
    Find More Flights

Frequently Asked Questions

  • When are flight tickets from Washington D.C. (WAS) to Bangkok (BKK) the cheapest?

    Airlines adjust prices for flights from Washington D.C. to Bangkok based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much do flights from Washington D.C. (WAS) to Bangkok (BKK) cost?

    According to Trip.com's data, the lowest price is around $2,048.
  • What is the transportation method from the main airport to downtown in Bangkok?

    • The distance from Suvarnabhumi Airport to downtown is about 24km. It takes about 40 minutes by taxi.
    • The distance from Don Mueang International Airport to downtown is about 22km. It takes about 40 minutes by taxi.

How to find a cheap flight from Washington D.C. to Bangkok

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Washington D.C. to Bangkok. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com
Washington D.C. to Bangkok Flight Information

Cheapest nonstop flight price

$541

Off-season for travel

March

Peak season for travel

June

Flight distance

14,158.76km

Popular airline

Air India