฿17,255 Find Cheap Flights from Bangkok to Washington, D.C. – Compare and Save

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Everything you should know

Cheapest return flight
฿26,559
Typical prices: ฿36,032-฿41,035
Thai Airways
Wed 26/9Tue 2/10
BKK - IAD • 1 stop
Cheapest one-way flight
฿17,519
Typical prices: ฿22,019-฿35,779
Thai Airways
Mon 10/12
BKK - IAD • 1 stop
Direct flights
Not available
There are currently no direct flights between Bangkok and Washington, D.C.. You'll need to take a connecting flight to reach the destination.
Insights
Insights
Top routes
DMK - IAD
Cheapest • 13% average savings
BKK - IAD
Most popular
Insights
Insights
When to book
15 weeks
in advance
Our data shows that travellers who book at least 15 weeks in advance save around 24% compared to booking last minute.
Insights
Insights
When to travel
March
Cheapest • 12% price drop
May
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Jeddah King Abdulaziz Intl (JED)
Cheapest • Avg ฿30,647 (return)
Taipei City Taiwan Taoyuan Intl (TPE)
Shortest trip • 21h 43m (one-way)
Insights
Insights
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KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you enjoy your trip to Washington, D.C.!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Bangkok to Washington, D.C.

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

Recent return flight deals from Bangkok to Washington, D.C.

Sat 26 Sep - Fri 2 Oct
Thai Airways Logo
12:40 - 22:00BKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
20h 20m1 stop Taipei City Taiwan Taoyuan Intl
Thai Airways Logo
01:15 - 10:40IAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
22h 25m1 stop Taipei City Taiwan Taoyuan Intl
฿26,559Thai Airways
Sat 19 Dec - Fri 15 Jan
Thai Airways Logo
12:40 - 20:55BKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
20h 15m1 stop Taipei City Taiwan Taoyuan Intl
Thai Airways Logo
23:55 - 10:50IAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
22h 55m1 stop Taipei City Taiwan Taoyuan Intl
฿26,988Thai Airways
Sat 19 Dec - Fri 15 Jan
Thai Airways Logo
12:40 - 20:55BKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
20h 15m1 stop Taipei City Taiwan Taoyuan Intl
Thai Airways Logo
23:55 - 10:50IAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
22h 55m1 stop Taipei City Taiwan Taoyuan Intl
฿27,417Thai Airways
Wed 4 Nov - Wed 31 Mar
เอทิฮัดแอร์เวย์ Logo
08:30 - 09:05BKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
36h 35m1 stop Abu Dhabi Zayed Intl
เอทิฮัดแอร์เวย์ Logo
15:10 - 07:15IAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
29h 05m1 stop Abu Dhabi Zayed Intl
฿32,597เอทิฮัดแอร์เวย์
Mon 26 Oct - Tue 12 Jan
เอทิฮัดแอร์เวย์ Logo
02:55 - 10:05BKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
42h 10m1 stop Abu Dhabi Zayed Intl
เอทิฮัดแอร์เวย์ Logo
14:35 - 18:00IAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
39h 25m1 stop Abu Dhabi Zayed Intl
฿32,597เอทิฮัดแอร์เวย์
Tue 27 Oct - Fri 29 Jan
เอทิฮัดแอร์เวย์ Logo
08:30 - 10:05BKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
36h 35m1 stop Abu Dhabi Zayed Intl
เอทิฮัดแอร์เวย์ Logo
14:35 - 11:45IAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
33h 10m1 stop Abu Dhabi Zayed Intl
฿32,597เอทิฮัดแอร์เวย์
Tue 27 Oct - Tue 12 Jan
United Airlines Logo
09:10 - 16:40BKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
42h 30m1 stop Tokyo Haneda
United Airlines Logo
10:15 - 11:30IAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
37h 15m3 stops Chicago O'Hare Intl Los Angeles Hong Kong Intl
฿33,950United Airlines
Tue 27 Oct - Tue 12 Jan
United Airlines Logo
09:10 - 10:10BKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
36h 00m1 stop Tokyo Haneda
United Airlines Logo
10:15 - 05:10IAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
30h 55m2 stops Chicago O'Hare Intl Tokyo Haneda
฿33,950United Airlines
Sun 1 Nov - Fri 2 Apr
Korean Air Logo
23:15 - 09:50BKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
22h 35m1 stop Incheon Intl
Korean Air Logo
13:15 - 23:35IAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
23h 20m1 stop Incheon Intl
฿38,107Korean Air
Fri 6 Nov - Fri 2 Apr
Korean Air Logo
01:05 - 09:50BKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
20h 45m1 stop Incheon Intl
Korean Air Logo
13:15 - 23:35IAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
23h 20m1 stop Incheon Intl
฿38,107Korean Air
Booking Insights

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

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

How much is a return flight from Bangkok to Washington, D.C.?

Return flights from Bangkok to Washington, D.C. start at ฿26,559. Prices are below average for this route right now, with typical return fares ranging from ฿36,032 to ฿41,035. The lowest price found in the past 5 days was ฿26,559 on Thai Airways.

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

Bangkok Don Mueang Intl Airport (DMK) to Washington, D.C. Dulles Intl Airport (IAD) is the cheapest Bangkok to Washington, D.C. route, averaging ฿31,606 return. Other Bangkok to Washington, D.C. routes average ฿38,587, based on KAYAK data over the past 12 months.

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

Tuesday is the cheapest day of the week to fly from Bangkok to Washington, D.C. and is 5% cheaper than the average day. Monday is the most expensive day with flight prices 3% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Bangkok to Washington, D.C.?

  • March is the cheapest month to fly from Bangkok to Washington, D.C. at ฿34,016 return.
  • January (฿40,581) and February (฿40,020) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 19% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

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

Flights from Bangkok to Washington, D.C. are cheapest 15 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 Bangkok to Washington, D.C. flights

Low season

January

Cheapest flight

฿17,519
Best time to beat the crowds but there is an average 5% increase in price.
Most popular time to fly (3% more expensive on average)
Flights from Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl Airport

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

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

Your Bangkok to Washington, D.C. 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 Bangkok to Washington, D.C.?

    Flights from Bangkok to Washington, D.C. may depart from several airports in Bangkok area, including Bangkok Suvarnabhumi (BKK) and Bangkok Don Mueang Intl (DMK), with arrivals available at airports in Washington, D.C. such as Washington, D.C. Reagan-National (DCA) and Washington, D.C. Dulles Intl (IAD).

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

    Three cabin classes are available on flights from Bangkok to Washington, D.C.:

    • Economy class
    • Premium Economy Class
    • Business Class

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

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

    • Doha Hamad Intl (DOH) – 46% of one-stop connections
    • Incheon Intl (ICN) – 31% of one-stop connections
    • Abu Dhabi Zayed Intl (AUH) – 8% of one-stop connections
    • Dubai Intl (DXB) – 5% 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 Bangkok to Washington, D.C.?

    Yes. Being flexible with your travel dates can save you up to 9% on the Bangkok to Washington, D.C. route. Tuesday is the cheapest departure day at ฿36,721 return on average, while Monday is the most expensive at ฿40,086, a difference of ฿3,365. 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 Washington, D.C.?

    Some of the most popular sights in Washington, D.C. are Vietnam Veterans Memorial and Nationals Park. These are among the most viewed places in Washington, D.C. on KAYAK.

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

    Last-minute fares on this route (booked within 2 weeks of departure) run 7% above the route average of ฿38,594. Book 15 weeks before departure for the lowest fares.

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

    A direct flight from Bangkok to Washington, D.C. takes 0h 00m, covering 22,762 km.

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

    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 Bangkok to Washington, D.C. looking right now?

    One-way fares from Bangkok to Washington, D.C. are currently lower than usual. Average one-way flight prices are about ฿23,725, which is 10% below the typical average for this route.

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

    Flying via Taipei City Taiwan Taoyuan Intl (TPE) gives the shortest average 1-stop total travel time of 21h 43m, compared to 22h 02m via Istanbul (IST) and 22h 14m via Dubai Intl (DXB).

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

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

  • What car rental options are available in Washington, D.C.?

    Since Washington, D.C. is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
    Near Washington, D.C. Reagan-National Airport (DCA) – daily rates from around ฿748:

    • Sixt
    • Dollar
    • Thrifty
    • Alamo
    • Budget

    Near Washington, D.C. Dulles Intl Airport (IAD) – daily rates from around ฿786:

    • Dollar
    • Budget
    • Hertz
    • Sixt
    • Thrifty

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

    Return flights from Bangkok to Washington, D.C. range from ฿36,032 to ฿41,035, with an average of ฿38,594 over the past 12 months. Anything below ฿36,032 counts as a good deal.

Your guide to booking Bangkok to Washington, D.C. 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 Tuesday departure instead of Monday. On this route, Tuesday flights average ฿36,721 – about ฿3,365 less than Monday (8% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 15 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 Bangkok to Washington, D.C. trip for March. Fares historically average ฿34,016 return in that month – typically ฿6,566 less than the most expensive month, which is January (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Washington, D.C. Reagan-National Airport.
    - Hyatt House Washington DC The Wharf
    - Intercontinental Hotels Washington D.C. - The Wharf By IHG
    - Canopy by Hilton Washington D.C - The Wharf

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

Complete your trip to Washington, D.C. with a hotel stay or car hire

Car rentals in Washington, D.C.
Hotels in Washington, D.C.