WAS - BKK

$391 Find Cheap Flights from Washington, D.C. to Bangkok - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$873
Typical prices: $926-$1,313
Etihad Airways
Wed 1/24Fri 2/9
IAD - BKK • 1 stop
Cheapest one-way
$391
Typical prices: $478-$735
Etihad Airways
Sat 11/24
IAD - BKK • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Washington, D.C. and Bangkok Suvarnabhumi Airport. You'll need to take a connecting flight to reach the destination.
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Top routes
IAD - BKK
Cheapest • 5% average savings
DCA - BKK
Most popular
Insights
Insights
When to book
14 weeks
in advance
Our data shows that travelers who book at least 14 weeks in advance save around 24% compared to booking last minute.
Insights
Insights
When to travel
September
Cheapest • 13% price drop
January
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Beijing Capital (PEK)
Cheapest • Avg $917 (round-trip)
Taipei City Taiwan Taoyuan Intl (TPE)
Shortest trip • 22h 23m (one-way)
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We hope you love your trip to Bangkok Suvarnabhumi Airport!

Cheap Flights from Washington, D.C. to Suvarnabhumi (WAS-BKK)

 

Cheap flights from Washington, D.C. to Suvarnabhumi with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.

Sun, Jan 24 - Tue, Feb 9
Etihad Airways Logo
2:25 pm - 11:40 pmIAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
21h 15m1 stop Abu Dhabi Zayed Intl
Etihad Airways Logo
2:55 am - 9:00 amBKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
42h 05m1 stop Abu Dhabi Zayed Intl
$873Etihad Airways
Sun, Jan 17 - Mon, Feb 1
Etihad Airways Logo
2:25 pm - 6:35 amIAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
28h 10m1 stop Abu Dhabi Zayed Intl
Etihad Airways Logo
7:55 pm - 9:00 amBKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
25h 05m1 stop Abu Dhabi Zayed Intl
$873Etihad Airways
Thu, Nov 5 - Fri, Nov 13
Ethiopian Air Logo
10:00 am - 12:30 pmIAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
38h 30m1 stop Addis Ababa Bole
Ethiopian Air Logo
1:55 am - 7:05 pmBKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
29h 10m1 stop Addis Ababa Bole
$874Ethiopian Air
Sat, Oct 31 - Fri, Nov 13
Ethiopian Air Logo
9:50 pm - 12:30 pmIAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
27h 40m1 stop Addis Ababa Bole
Ethiopian Air Logo
1:55 am - 8:00 amBKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
42h 05m1 stop Addis Ababa Bole
$874Ethiopian Air
Tue, Mar 30 - Sun, Apr 11
Korean Air Logo
1:15 pm - 11:35 pmIAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
23h 20m1 stop Incheon Intl
Korean Air Logo
9:40 pm - 11:15 amBKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
24h 35m1 stop Incheon Intl
$890Korean Air
Wed, Mar 31 - Wed, Apr 14
Korean Air Logo
1:15 pm - 1:35 pmIAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
37h 20m1 stop Incheon Intl
Korean Air Logo
9:40 pm - 11:15 amBKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
24h 35m1 stop Incheon Intl
$890Korean Air
Mon, Feb 8 - Sun, Feb 21
Qatar Airways Logo
8:05 pm - 12:15 pmIAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
28h 10m1 stop Doha Hamad Intl
Qatar Airways Logo
2:00 am - 3:55 pmBKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
25h 55m1 stop Doha Hamad Intl
$895Qatar Airways
Mon, Jan 11 - Mon, Feb 22
Qatar Airways Logo
8:05 pm - 1:05 pmIAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
29h 00m1 stop Doha Hamad Intl
Qatar Airways Logo
3:00 am - 3:55 pmBKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
24h 55m1 stop Doha Hamad Intl
$895Qatar Airways
Tue, Dec 1 - Tue, Dec 15
Turkish Airlines Logo
9:20 pm - 4:15 amIAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
42h 55m1 stop Istanbul
Turkish Airlines Logo
5:55 am - 7:25 pmBKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
25h 30m1 stop Istanbul
$899Turkish Airlines
Wed, Dec 2 - Thu, Dec 17
Turkish Airlines Logo
1:30 pm - 4:15 amIAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
26h 45m1 stop Istanbul
Turkish Airlines Logo
10:20 am - 7:25 pmBKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
45h 05m1 stop Istanbul
$899Turkish Airlines

Price, demand and travel trends for Washington, D.C. to Bangkok Suvarnabhumi Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Washington, D.C. to Bangkok Suvarnabhumi Airport?

Round-trip flights from Washington, D.C. to Bangkok Suvarnabhumi Airport typically range from $926 to $1,313. The lowest price found in the past 5 days was $873, on Etihad Airways.

What is the cheapest Washington, D.C. to Bangkok Suvarnabhumi Airport flight route?

There's little price difference between Washington, D.C. to Bangkok Suvarnabhumi Airport routes. They average around $1,133 round-trip, based on KAYAK data over the past 12 months.

What's the cheapest day of the week to fly from Washington, D.C. to Bangkok Suvarnabhumi Airport?

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from Washington, D.C. to Bangkok Suvarnabhumi Airport. It’s 7% cheaper than the average day, while Saturday is the most expensive, with prices 9% higher.

What’s the cheapest month to fly from Washington, D.C. to Bangkok Suvarnabhumi Airport?

•September is the cheapest month to fly from Washington, D.C. to Bangkok Suvarnabhumi Airport at $942 round-trip.
•December ($1,728) and June ($1,292) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 83% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Washington, D.C. to Bangkok Suvarnabhumi Airport the cheapest?

Flights from Washington, D.C. to Bangkok Suvarnabhumi Airport are cheapest 14 weeks before departure. Booking in this window typically costs about 24% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for Washington, D.C. to Bangkok Suvarnabhumi Airport flights

Low season

September

Cheapest flight

$391
Beat the crowds with an average 20% drop in travelers.
The most popular month to fly with an average 38% increase in travelers.
One-way flight from Washington, D.C. Dulles Intl Airport to Bangkok Suvarnabhumi Airport

When to book flights from Washington, D.C. to Suvarnabhumi

Are your dates flexible? Find out the best times to travel from Washington, D.C. to Suvarnabhumi based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Washington, D.C. to Bangkok Suvarnabhumi Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Washington, D.C. to Bangkok Suvarnabhumi Airport?

    Four cabin classes are available on flights from Washington, D.C. to Bangkok Suvarnabhumi Airport:

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

  • How long is a flight from Washington, D.C. to Bangkok Suvarnabhumi Airport?

    A nonstop flight from Washington, D.C. to Bangkok Suvarnabhumi Airport takes 00m, covering 8,794 miles.

  • Do I need a passport to fly from Washington, D.C. to Bangkok Suvarnabhumi Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Washington, D.C. to Bangkok Suvarnabhumi Airport flight?

    Round-trip flights from Washington, D.C. to Bangkok Suvarnabhumi Airport range from $926 to $1,313, with an average of $1,081 over the past 12 months. Anything below $926 counts as a good deal.

  • How expensive are last-minute Washington, D.C. to Bangkok Suvarnabhumi Airport flights?

    Last-minute fares on this route (booked within two weeks of departure) run 16% above the $1,081 route average. Book 14 weeks before departure for the lowest fares.

  • How are flight prices from Washington, D.C. to Bangkok Suvarnabhumi Airport looking right now?

    One-way fares from Washington, D.C. to Bangkok Suvarnabhumi Airport are currently lower than usual. Average one-way flight prices are about $454, which is 23% below the typical average for this route.

  • What car rental options are available at Bangkok Suvarnabhumi Airport (BKK)?

    Bangkok Suvarnabhumi Airport (BKK) hosts 5 major car rental companies, with daily rates starting from around $13 for economy cars. Top options include:

    • Drive Car Rental
    • Alamo
    • Sixt
    • Yesaway
    • Hertz

  • Which airports can I use when flying from Washington, D.C. to Bangkok Suvarnabhumi Airport?

    Flights from Washington, D.C. to Bangkok Suvarnabhumi Airport may depart from several airports in Washington, D.C. area, including Washington, D.C. Reagan-National (DCA) and Washington, D.C. Dulles Intl (IAD). Flights usually arrive at Bangkok Suvarnabhumi (BKK).

  • Which airports do connecting flights from Washington, D.C. to Bangkok Suvarnabhumi Airport pass through?

    One-stop flights from Washington, D.C. to Bangkok Suvarnabhumi Airport most commonly connect through:

    • Doha Hamad Intl (DOH) - 33% of one-stop connections
    • Abu Dhabi Zayed Intl (AUH) - 24% of one-stop connections
    • Incheon Intl (ICN) - 14% of one-stop connections
    • Istanbul (IST) - 10% of one-stop connections

  • Can I save money by using flexible dates for flights from Washington, D.C. to Bangkok Suvarnabhumi Airport?

    Yes. Flexible dates can save you up to 15% on flights from Washington, D.C. to Bangkok Suvarnabhumi Airport. Wednesday is the cheapest departure day at $1,014 round-trip on average, while Saturday is the most expensive at $1,189, a difference of $175.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Washington, D.C. to Bangkok Suvarnabhumi Airport?

    Flying via Taipei City Taiwan Taoyuan Intl (TPE) gives the shortest average 1-stop total travel time at 22h 23m, compared with 22h 28m via Vancouver Intl (YVR) and 22h 45m via Dubai Intl (DXB).

  • What is the time difference between Washington, D.C. and Bangkok Suvarnabhumi Airport?

    Bangkok Suvarnabhumi Airport is 11 hours ahead of Washington, D.C. (Indochina Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Bangkok Suvarnabhumi Airport?

    Some of the most popular sights in Bangkok Suvarnabhumi Airport are Pratunam, Siam Square and Thailand Cultural Center. These are among the most viewed places in Bangkok Suvarnabhumi Airport on KAYAK.

Your guide to booking Washington, D.C. to Bangkok Suvarnabhumi Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure and avoid flying on Saturday. On this route, Wednesday flights average $1,014, about $175 less than Saturday fares (15% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 14 weeks before you fly. On this route, that window historically saves about 24% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Washington, D.C. to Bangkok Suvarnabhumi Airport trip for September. Fares historically average $942 round-trip in that month - typically $786 less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Bangkok Suvarnabhumi Airport.

    • Regency Bangkok Suvarnabhumi Airpor
    • Siam Mandarina Bangkok Suvarnabhumi Airport Hotel (Free Shuttle)
    • Suvarnabhumi Ville Airport Hotel

More options for your flight from Washington, D.C. to Suvarnabhumi

Complete your trip to Bangkok with a hotel stay or car rental

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