BKK - WAS

฿17,459 Find Cheap Flights from Bangkok Suvarnabhumi Airport to Washington, D.C. – Compare and Save

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Everything you should know

Cheapest return flight
฿26,468
Typical prices: ฿36,037-฿41,221
Thai Airways
Wed 26/9Tue 2/10
BKK - IAD • 1 stop
Cheapest one-way flight
฿17,459
Typical prices: ฿21,979-฿35,656
Thai Airways
Mon 10/12
BKK - IAD • 1 stop
Direct flights
There are currently no direct flights between Bangkok Suvarnabhumi Airport and Washington, D.C.. You'll need to take a connecting flight to reach the destination.
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Top routes
Cheapest
Most popular
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When to book
in advance
Our data shows that travellers who book at least 15 weeks in advance save around 24% compared to booking last minute.
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When to travel
Cheapest • 12% price drop
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Cheapest • Avg ฿30,543 (return)
Shortest trip • 21h 43m (one-way)
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We hope you enjoy your trip to Washington, D.C.!
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Flight Deals

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

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

Recent return flight deals from Suvarnabhumi 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
฿26,468Thai 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
฿26,863Thai 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
฿26,896Thai Airways
Mon 5 Oct - Mon 12 Oct
เอทิฮัดแอร์เวย์ Logo
09:15 - 09:45BKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
35h 30m1 stop Abu Dhabi Zayed Intl
เอทิฮัดแอร์เวย์ Logo
15:10 - 23:55IAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
21h 45m1 stop Abu Dhabi Zayed Intl
฿32,091เอทิฮัดแอร์เวย์
Sun 20 Dec - Sun 10 Jan
เอ��ทิฮัดแอร์เวย์ Logo
02:55 - 09:05BKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
42h 10m1 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
฿32,255เอทิฮัดแอร์เวย์
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
฿32,485เอทิฮัดแอร์เวย์
Mon 2 Nov - Sun 15 Nov
United Airlines Logo
09:10 - 09:10BKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
36h 00m1 stop Tokyo Haneda
United Airlines Logo
08:23 - 05:10IAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
32h 47m2 stops Chicago O'Hare Intl Tokyo Haneda
฿33,899United Airlines
Tue 20 Oct - Sun 25 Oct
United Airlines Logo
09:35 - 10:05BKK  Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl
35h 30m1 stop Tokyo Haneda
United Airlines Logo
10:15 - 05:10IAD  Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi
31h 55m2 stops Chicago O'Hare Intl Tokyo Haneda
฿33,899United 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
฿37,976Korean Air
Fri 6 Nov - Sun 28 Mar
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
฿37,976Korean Air
Booking Insights

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

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

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

Return flights from Bangkok Suvarnabhumi Airport to Washington, D.C. start at ฿26,468. Prices are below average for this route right now, with typical return fares ranging from ฿36,037 to ฿41,221. The lowest price found in the past 5 days was ฿26,468 on Thai Airways.

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

There's little price difference between Bangkok Suvarnabhumi Airport to Washington, D.C. routes. They average around ฿38,455 return, based on KAYAK data over the past 12 months.

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

Tuesday is the cheapest day of the week to fly from Bangkok Suvarnabhumi Airport 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 Suvarnabhumi Airport to Washington, D.C.?

  • March is the cheapest month to fly from Bangkok Suvarnabhumi Airport to Washington, D.C. at ฿34,031 return.
  • January (฿40,442) and February (฿39,884) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 18% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

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

Flights from Bangkok Suvarnabhumi Airport 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.

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

Low season

January

Cheapest flight

฿17,459
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 Suvarnabhumi to Washington, D.C.

Are your dates flexible? Find out the best times to travel from Suvarnabhumi 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 Suvarnabhumi Airport 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 Suvarnabhumi Airport to Washington, D.C.?

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

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

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

    • Economy class
    • Premium Economy Class
    • Business Class

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

    One-stop flights from Bangkok Suvarnabhumi Airport 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 Suvarnabhumi Airport to Washington, D.C.?

    Yes. Being flexible with your travel dates can save you up to 9% on the Bangkok Suvarnabhumi Airport to Washington, D.C. route. Tuesday is the cheapest departure day at ฿36,596 return on average, while Monday is the most expensive at ฿39,949, a difference of ฿3,354. 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 Suvarnabhumi Airport to Washington, D.C. flights?

    Last-minute fares on this route (booked within 2 weeks of departure) run 7% above the route average of ฿38,490. Book 15 weeks before departure for the lowest fares.

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

    A direct flight from Bangkok Suvarnabhumi Airport to Washington, D.C. takes 0h 00m, covering 22,775 km.

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

    One-way fares from Bangkok Suvarnabhumi Airport to Washington, D.C. are currently lower than usual. Average one-way flight prices are about ฿22,132, which is 16% below the typical average for this route.

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

    Washington, D.C. is 11 hours behind Bangkok Suvarnabhumi Airport (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 ฿745:

    · Sixt
    · Dollar
    · Thrifty
    · Alamo
    · Budget

    Near Washington, D.C. Dulles Intl Airport (IAD) – daily rates from around ฿784:

    · Dollar
    · Budget
    · Hertz
    · Sixt
    · Thrifty

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

    Return flights from Bangkok Suvarnabhumi Airport to Washington, D.C. range from ฿36,037 to ฿41,221, with an average of ฿38,490 over the past 12 months. Anything below ฿36,037 counts as a good deal.

Your guide to booking Bangkok Suvarnabhumi Airport 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 ฿36,596 – about ฿3,354 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 Suvarnabhumi Airport to Washington, D.C. trip for March. Fares historically average ฿34,031 return in that month – typically ฿6,412 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 Suvarnabhumi to Washington, D.C.

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