WAS - BKK

$432 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
$899
Typical prices: $921-$1,321
Etihad Airways
Sat 9/22Mon 10/1
IAD - BKK • 1 stop
Cheapest one-way
$425
Typical prices: $482-$745
Etihad Airways
Fri 10/19
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.
Insights
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Top routes
IAD - BKK
Cheapest • 3% average savings
DCA - BKK
Most popular
Insights
Insights
When to book
17 weeks
in advance
Our data shows that travelers who book at least 17 weeks in advance save around 17% compared to booking last minute.
Insights
Insights
When to travel
September
Cheapest • 12% price drop
December
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Beijing Capital (PEK)
Cheapest • Avg $899 (round-trip)
Hong Kong Intl (HKG)
Shortest trip • 20h 19m (one-way)
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Insights
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We hope you love your trip to Bangkok Suvarnabhumi Airport!
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Booking Insights
Flight Deals

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

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Washington, D.C. to Bangkok

Tue, Sep 22 - Thu, Oct 1
Etihad Airways Logo
3:10 pm - 6:10 pmIAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
40h 00m1 stop Abu Dhabi Zayed Intl
Etihad Airways Logo
9:00 pm - 9:45 amBKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
23h 45m1 stop Abu Dhabi Zayed Intl
$899Etihad Airways
Tue, Oct 13 - Fri, Oct 30
Etihad Airways Logo
3:10 pm - 11:55 pmIAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
21h 45m1 stop Abu Dhabi Zayed Intl
Etihad Airways Logo
8:30 am - 10:05 amBKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
36h 35m1 stop Abu Dhabi Zayed Intl
$899Etihad Airways
Tue, Sep 22 - Tue, Sep 29
Air Canada Logo
9:40 am - 11:35 pmDCA  Washington, D.C. Reagan-National-BKK Bangkok Suvarnabhumi
26h 55m2 stops Montreal Pierre Elliott Trudeau Intl Incheon Intl
Air Canada Logo
11:30 pm - 9:50 pmBKK  Bangkok Suvarnabhumi-DCA Washington, D.C. Reagan-National
33h 20m2 stops Incheon Intl Montreal Pierre Elliott Trudeau Intl
$904Air Canada
Sun, Nov 22 - Mon, Nov 30
SAUDIA Logo
5:50 pm - 1:40 pmIAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
31h 50m1 stop Riyadh King Khaled Intl
SAUDIA Logo
3:20 pm - 1:50 pmBKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
34h 30m1 stop Jeddah King Abdulaziz Intl
$904SAUDIA
Sun, Sep 13 - Sat, Sep 19
SAUDIA Logo
6:50 pm - 1:45 pmIAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
31h 55m1 stop Riyadh King Khaled Intl
SAUDIA Logo
3:25 pm - 3:45 pmBKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
35h 20m1 stop Riyadh King Khaled Intl
$904SAUDIA
Tue, Sep 22 - Tue, Sep 29
Air Canada Logo
9:40 am - 11:35 pmDCA  Washington, D.C. Reagan-National-BKK Bangkok Suvarnabhumi
26h 55m2 stops Montreal Pierre Elliott Trudeau Intl Incheon Intl
Air Canada Logo
11:30 pm - 9:50 pmBKK  Bangkok Suvarnabhumi-DCA Washington, D.C. Reagan-National
33h 20m2 stops Incheon Intl Montreal Pierre Elliott Trudeau Intl
$905Air Canada
Sun, Sep 20 - Sat, Sep 26
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 - 11:05 amBKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
24h 25m1 stop Incheon Intl
$911Korean Air
Wed, Sep 16 - Sun, Sep 27
Korean Air Logo
1:15 pm - 1:05 amIAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
24h 50m1 stop Incheon Intl
Korean Air Logo
11:30 pm - 11:05 amBKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
22h 35m1 stop Incheon Intl
$911Korean Air
Thu, Oct 1 - Wed, Oct 14
Qatar Airways Logo
11:05 am - 8:25 pmIAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
22h 20m1 stop Doha Hamad Intl
Qatar Airways Logo
2:30 am - 3:40 pmBKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
24h 10m1 stop Doha Hamad Intl
$912Qatar Airways
Wed, Oct 7 - Sun, Nov 15
Qatar Airways Logo
9:00 pm - 7:35 amIAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
23h 35m1 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
$917Qatar Airways
Booking Insights

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 from Washington, D.C. to Bangkok Suvarnabhumi Airport 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 start at $899. Prices are below average for this route right now, with typical round-trip fares ranging from $921 to $1,321. The lowest price found in the past 5 days was $899 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 $1,096 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?

Wednesday is the cheapest day of the week to fly from Washington, D.C. to Bangkok Suvarnabhumi Airport, it is 6% cheaper than the average day. Saturday is the most expensive day with flight prices 13% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is 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 $941 round-trip.
  • December ($1,792) and June ($1,289) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 90% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

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

Flights from Washington, D.C. to Bangkok Suvarnabhumi Airport are cheapest 17 weeks before departure. Booking in this window typically costs about 17% 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

April

Cheapest flight

$425
Best time to beat the crowds with an average 9% drop in price.
Most popular time to fly with an average 68% increase in price.
Flight from Washington, D.C. Dulles Intl Airport to Bangkok Suvarnabhumi Airport

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

Are your dates flexible? Find out the best times to travel from Washington, D.C. to Bangkok 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 route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • 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).

  • 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.

  • 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) - 39% of one-stop connections
    • Abu Dhabi Zayed Intl (AUH) - 25% of one-stop connections
    • Istanbul (IST) - 11% of one-stop connections
    • Incheon Intl (ICN) - 10% of one-stop connections

    Doha Hamad Intl (DOH) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 17% on the Washington, D.C. to Bangkok Suvarnabhumi Airport route. Wednesday is the cheapest departure day at $1,014 round-trip on average, while Saturday is the most expensive at $1,213, a difference of $199. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

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

    Some of the most popular sights in Bangkok Suvarnabhumi Airport are Pratunam, Terminal 21 and Phrom Phong BTS Skytrain Station. These are among the most viewed places in Bangkok Suvarnabhumi Airport on KAYAK.

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

    Last-minute fares on this route - booked within 2 weeks of departure - run 12% above the route average of $1,069. Book 17 weeks before departure for the lowest fares.

  • 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 0h 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 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 $453, which is 23% below the typical average for this route.

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

    Flying via Hong Kong Intl (HKG) gives the shortest average 1-stop total travel time at 20h 19m, compared with 22h 28m via Vancouver Intl (YVR) and 22h 34m 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 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

  • 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 $921 to $1,321, with an average of $1,069 over the past 12 months. Anything below $921 counts as a good deal.

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 can be flexible, aim for a Wednesday departure instead of Saturday. On this route, Wednesday flights average $1,014 - about $199 less than Saturday (16% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 17 weeks before you fly. On this route, that window historically saves about 17% 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 $941 round-trip in that month - typically $851 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

Everything you need to know for your flight from Washington, D.C. to Bangkok

Information on your arrival and departure airports

Suvarnabhumi (BKK)