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Flights from Washington D.C. to Bangkok
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Find cheap one-way flights from Washington D.C. to Bangkok starting at US$423.

Whether you’re going for a one-way or round-trip to Bangkok, we’ve got you covered! Check out these different flight options from Washington D.C. below.

  • One way
  • Round-trip
      • IAD19:10
        31h 35m
        1 stop
        BKK13:45
        Sat, Sep 7|Washington D.C. - Bangkok|Saudia
        US$423US$745
        43% OFF
        43% OFF
        US$745US$423
      • IAD19:10
        31h 35m
        1 stop
        BKK13:45
        Sat, Aug 17|Washington D.C. - Bangkok|Saudia
        US$432US$745
        42% OFF
        42% OFF
        US$745US$432
      • IAD19:10
        42h 15m
        1 stop
        BKK00:25
        Sat, Aug 10|Washington D.C. - Bangkok|Saudia
        US$530US$745
        28% OFF
        28% OFF
        US$745US$530
      • IAD10:55
        33h 10m
        1 stop
        BKK07:05
        Wed, Aug 28|Washington D.C. - Bangkok|Qatar Airways
        US$552
        US$552
      • IAD21:50
        21h 15m
        1 stop
        BKK06:05
        Mon, Sep 2|Washington D.C. - Bangkok|Turkish Airlines
        US$552
        US$552
      • IAD21:05
        22h 5m
        1 stop
        BKK06:10
        Thu, Aug 22|Washington D.C. - Bangkok|Qatar Airways
        US$555
        US$555
      • IAD21:50
        26h
        1 stop
        BKK10:50
        Tue, Aug 27|Washington D.C. - Bangkok|Turkish Airlines
        US$556
        US$556
      • IAD10:55
        21h 30m
        1 stop
        BKK19:25
        Tue, Aug 27|Washington D.C. - Bangkok|Qatar Airways
        US$557
        US$557
      • IAD10:55
        22h 5m
        1 stop
        BKK20:00
        Thu, Aug 29|Washington D.C. - Bangkok|Qatar Airways
        US$557
        US$557
      • IAD21:50
        21h 15m
        1 stop
        BKK06:05
        Mon, Aug 12|Washington D.C. - Bangkok|Turkish Airlines
        US$557
        US$557
      • WAS13:00
        3h 5m
        Direct
        BKK14:00
        Sat, Aug 3|Washington D.C. - Bangkok|Saudia
        Find More Flights
        Find More Flights

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

When is the cheapest time to book flights from Washington D.C. to Bangkok?

These price trend charts carefully monitor and predict how flight prices from Washington D.C. to Bangkok will change. Keep a close eye on them to understand when the best time to buy your tickets is.

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

Compare prices from various providers below to understand which option best suits your travel needs, before enjoying a comfortable journey with a trusted airline from Washington D.C. to Bangkok.

Saudia
From US$406
Etihad Airways
From US$439
United Airlines
From US$461
Alaska Airlines
From US$462
Icelandair
From US$473
Qatar Airways
From US$488
American Airlines
From US$521
Turkish Airlines
From US$545
Delta Air Lines
From US$575
Cathay Pacific
From US$576
ANA airlines

Find more flights and airlines

Find cheap flights from Washington D.C. to Bangkok by different airports

Did you know that you can save money and time on an alternative route from Washington D.C. to Bangkok? Check out some of the different available routes below.

  • Cheapest
    Saudia
    IAD
    19:10
    31h 25m
    2 transfer
    BKK
    13:35
    Dulles International Airport - Suvarnabhumi Airport
    Thu, Aug 22Saudia
    US$406
  • Etihad Airways
    IAD
    22:00
    43h 25m
    2 transfer
    DMK
    04:25
    Dulles International Airport - Don Mueang International Airport
    Thu, Sep 5Etihad Airways
    US$439
  • Alaska Airlines
    DCA
    09:20
    36h 15m
    2 transfer
    BKK
    08:35
    Ronald Reagan Washington National Airport - Suvarnabhumi Airport
    Wed, Sep 11Alaska Airlines
    US$507
  • Alaska Airlines
    DCA
    09:20
    36h 15m
    2 transfer
    BKK
    08:35
    Ronald Reagan Washington National Airport - Suvarnabhumi Airport
    Wed, Sep 11Alaska Airlines
    US$507
    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 $1,858.

  • 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

If you leave it until the last minute and forget to check some of the key information when booking tickets, prices can often end up skyrocketing. Below, you can find our top tips for getting the best value flights – from changing dates to chasing deals, there are plenty ways to keep your next trip affordable.
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

$422

Off-season for travel

March

Peak season for travel

June

Flight distance

14,158.76km

Popular airline

Emirates

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