DCA - BKK

$459 Find Cheap Flights from Reagan Washington National Airport to Bangkok - Compare and Save

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Everything you should know

Cheapest round-trip
$865
Typical prices: $1,034-$1,315
Delta
Sat 1/20Thu 2/1
DCA - BKK • 2 stops
Cheapest one-way
$459
Typical prices: $578-$783
Delta
Thu 3/15
DCA - BKK • 2 stops
When to travel
Cheapest • 18% price drop
Most popular
Good to know
+1
Good to know
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We hope you love your trip to Bangkok Suvarnabhumi Airport!

Cheap Flights from Reagan-National to Bangkok (DCA-BKK)

 

Cheap flights from Reagan-National to Bangkok with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.

Thu, Mar 18 - Sat, Apr 3
Korean Air Logo
8:20 am - 12:20 amDCA  Washington, D.C. Reagan-National-BKK Bangkok Suvarnabhumi
29h 00m2 stops Boston Logan Intl Incheon Intl
Korean Air Logo
11:30 pm - 4:11 pmBKK  Bangkok Suvarnabhumi-DCA Washington, D.C. Reagan-National
27h 41m2 stops Incheon Intl Boston Logan Intl
$867Korean Air
Mon, Jan 18 - Tue, Apr 13
Delta Logo
6:00 am - 11:05 pmDCA  Washington, D.C. Reagan-National-BKK Bangkok Suvarnabhumi
29h 05m2 stops Detroit Metropolitan Wayne County Incheon Intl
Delta Logo
9:50 am - 11:29 pmBKK  Bangkok Suvarnabhumi-DCA Washington, D.C. Reagan-National
24h 39m2 stops Incheon Intl Minneapolis St Paul
$901Delta
Wed, Jan 20 - Wed, Feb 10
Delta Logo
6:00 am - 12:20 amDCA  Washington, D.C. Reagan-National-BKK Bangkok Suvarnabhumi
30h 20m2 stops Detroit Metropolitan Wayne County Incheon Intl
Delta Logo
9:40 pm - 10:15 pmBKK  Bangkok Suvarnabhumi-DCA Washington, D.C. Reagan-National
36h 35m2 stops Incheon Intl Atlanta Hartsfield-Jackson
$901Delta
Thu, Jan 14 - Wed, Apr 14
Korean Air Logo
6:05 am - 12:20 amDCA  Washington, D.C. Reagan-National-BKK Bangkok Suvarnabhumi
30h 15m2 stops New York John F Kennedy Intl Incheon Intl
Korean Air Logo
9:40 pm - 3:11 pmBKK  Bangkok Suvarnabhumi-DCA Washington, D.C. Reagan-National
28h 31m2 stops Incheon Intl Boston Logan Intl
$907Korean Air
Tue, Nov 24 - Mon, Dec 14
Air Canada Logo
4:05 pm - 6:30 amDCA  Washington, D.C. Reagan-National-BKK Bangkok Suvarnabhumi
50h 25m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl
Air Canada Logo
8:25 am - 10:29 amBKK  Bangkok Suvarnabhumi-DCA Washington, D.C. Reagan-National
38h 04m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl
$1,132Air Canada
Sun, Nov 22 - Tue, Dec 15
Air Canada Logo
4:05 pm - 6:30 amDCA  Washington, D.C. Reagan-National-BKK Bangkok Suvarnabhumi
50h 25m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl
Air Canada Logo
8:25 am - 10:29 amBKK  Bangkok Suvarnabhumi-DCA Washington, D.C. Reagan-National
38h 04m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl
$1,132Air Canada
Tue, Nov 3 - Tue, Nov 17
United Airlines Logo
1:05 pm - 5:10 amDCA  Washington, D.C. Reagan-National-BKK Bangkok Suvarnabhumi
28h 05m2 stops Chicago O'Hare Intl Tokyo Haneda
United Airlines Logo
9:10 am - 10:30 pmBKK  Bangkok Suvarnabhumi-DCA Washington, D.C. Reagan-National
25h 20m2 stops Tokyo Haneda San Francisco
$1,139United Airlines
Thu, Jan 14 - Thu, Jan 21
United Airlines Logo
9:36 am - 5:10 amDCA  Washington, D.C. Reagan-National-BKK Bangkok Suvarnabhumi
31h 34m2 stops Chicago O'Hare Intl Tokyo Haneda
United Airlines Logo
9:10 am - 9:05 pmBKK  Bangkok Suvarnabhumi-DCA Washington, D.C. Reagan-National
23h 55m2 stops Tokyo Haneda Chicago O'Hare Intl
$1,139United Airlines
Mon, Nov 16 - Sun, Nov 22
ANA Logo
7:40 am - 6:30 amDCA  Washington, D.C. Reagan-National-BKK Bangkok Suvarnabhumi
34h 50m2 stops Chicago O'Hare Intl Tokyo Haneda
ANA Logo
12:10 am - 7:15 pmBKK  Bangkok Suvarnabhumi-DCA Washington, D.C. Reagan-National
31h 05m2 stops Tokyo Narita Chicago O'Hare Intl
$1,146ANA
Thu, Jan 21 - Sun, Jan 31
ANA Logo
1:01 pm - 5:10 amDCA  Washington, D.C. Reagan-National-BKK Bangkok Suvarnabhumi
28h 09m2 stops Chicago O'Hare Intl Tokyo Haneda
ANA Logo
10:25 pm - 12:05 pmBKK  Bangkok Suvarnabhumi-DCA Washington, D.C. Reagan-National
25h 40m2 stops Tokyo Haneda Chicago O'Hare Intl
$1,147ANA

Price, demand and travel trends for Washington, D.C. Reagan-National Airport 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. Reagan-National Airport to Bangkok Suvarnabhumi Airport?

Round-trip flights from Washington, D.C. Reagan-National Airport to Bangkok Suvarnabhumi Airport typically range from $1,034 to $1,315. The lowest price found in the past 5 days was $865, on Delta.

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

Based on deals KAYAK users found in the last 12 months, Friday is the cheapest day of the week to fly from Washington, D.C. Reagan-National Airport to Bangkok Suvarnabhumi Airport. It’s 16% cheaper than the average day, while Monday is the most expensive, with prices 9% higher.

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

•September is the cheapest month to fly from Washington, D.C. Reagan-National Airport to Bangkok Suvarnabhumi Airport at $974 round-trip.
•May ($1,721) and June ($1,329) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 76% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

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

Low season

April

Cheapest flight

$459
Beat the crowds with an average 66% drop in travelers.
The most popular month to fly with an average 83% increase in travelers.
One-way flight from Washington, D.C. Reagan-National Airport to Bangkok Suvarnabhumi Airport

When to book flights from Reagan-National to Bangkok

Are your dates flexible? Find out the best times to travel from Reagan-National 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. Reagan-National Airport 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. Reagan-National Airport to Bangkok Suvarnabhumi Airport?

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

    • Economy Class
    • Premium Economy Class
    • Business Class

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

    Round-trip flights from Washington, D.C. Reagan-National Airport to Bangkok Suvarnabhumi Airport range from $1,034 to $1,315, with an average of $1,190 over the past 12 months. Anything below $1,034 counts as a good deal.

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

    One-way fares from Washington, D.C. Reagan-National Airport to Bangkok Suvarnabhumi Airport are currently lower than usual. Average one-way flight prices are about $617, which is 8% 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. Reagan-National Airport to Bangkok Suvarnabhumi Airport?

    Flights from Washington, D.C. Reagan-National Airport to Bangkok Suvarnabhumi Airport usually depart from Washington, D.C. Reagan-National (DCA) and arrive at Bangkok Suvarnabhumi (BKK).

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

    Yes. Flexible dates can save you up to 23% on flights from Washington, D.C. Reagan-National Airport to Bangkok Suvarnabhumi Airport. Friday is the cheapest departure day at $1,008 round-trip on average, while Monday is the most expensive at $1,299, a difference of $291.

    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 is the time difference between Washington, D.C. Reagan-National Airport and Bangkok Suvarnabhumi Airport?

    Bangkok Suvarnabhumi Airport is 11 hours ahead of Washington, D.C. Reagan-National Airport (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. Reagan-National Airport 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 Friday departure and avoid flying on Monday. On this route, Friday flights average $1,008, about $291 less than Monday fares (22% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Washington, D.C. Reagan-National Airport to Bangkok Suvarnabhumi Airport trip for September. Fares historically average $974 round-trip in that month - typically $747 less than the most expensive month, which is May (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
    • Suvarnabhumi Ville Airport Hotel
    • Siam Mandarina Bangkok Suvarnabhumi Airport Hotel (Free Shuttle)

More options for your flight from Reagan-National to Bangkok

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