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Cheap flights from Bangkok Suvarnabhumi Airport to Washington, D.C. from $458

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Bangkok Suvarnabhumi Airport to Washington, D.C. departing on 9/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Bangkok Suvarnabhumi Airport to Washington, D.C.

Cheap round-trip flights

Logo
11:20 pm - 10:23 pmBKK-BWI
34h 03m3 stops
Logo
5:45 am - 10:25 pmBWI-BKK
29h 40m2 stops
$947
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Sun, Sep 14 - Sun, Sep 21
Logo
12:15 pm - 7:01 amBKK-BWI
29h 46m2 stops
Logo
5:45 am - 4:05 amBWI-BKK
35h 20m2 stops
$977
Find Deal
Sun, Sep 14 - Sun, Sep 21
United Airlines Logo
9:35 am - 10:05 amBKK-IAD
35h 30m1 stop
United Airlines Logo
8:20 am - 4:35 amIAD-BKK
33h 15m2 stops
$1,024United Airlines
Find Deal
Fri, Aug 29 - Fri, Sep 5
United Airlines Logo
7:00 am - 10:09 pmBKK-DCA
26h 09m2 stops
United Airlines Logo
1:00 pm - 4:35 amDCA-BKK
28h 35m2 stops
$1,033United Airlines
Find Deal
Fri, Aug 29 - Fri, Sep 5
Korean Air Logo
1:00 am - 9:50 amBKK-IAD
20h 50m1 stop
Korean Air Logo
11:50 am - 11:20 pmIAD-BKK
23h 30m1 stop
$1,067Korean Air
Find Deal
Thu, Dec 4 - Wed, Dec 31
ANA Logo
7:00 am - 8:55 pmBKK-IAD
24h 55m2 stops
ANA Logo
12:15 pm - 4:35 amIAD-BKK
29h 20m1 stop
$1,072ANA
Find Deal
Fri, Oct 3 - Sun, Oct 19
ANA Logo
9:35 pm - 1:49 pmBKK-IAD
51h 14m2 stops
ANA Logo
12:15 pm - 6:00 amIAD-BKK
30h 45m1 stop
$1,076ANA
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Sat, Sep 20 - Sat, Oct 4
Qatar Airways Logo
3:00 am - 3:55 pmBKK-IAD
24h 55m1 stop
Qatar Airways Logo
8:05 pm - 12:15 pmIAD-BKK
28h 10m1 stop
$1,170Qatar Airways
Find Deal
Mon, Nov 17 - Sat, Nov 29
Qatar Airways Logo
2:30 am - 3:40 pmBKK-IAD
24h 10m1 stop
Qatar Airways Logo
9:00 pm - 1:25 pmIAD-BKK
29h 25m1 stop
$1,195Qatar Airways
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Thu, Oct 2 - Sat, Oct 18
Korean Air Logo
1:00 am - 1:04 pmBKK-BWI
24h 04m2 stops
Korean Air Logo
7:40 pm - 11:20 pmBWI-BKK
39h 40m2 stops
$1,677Korean Air
Find Deal
Mon, Nov 17 - Sat, Nov 29

American Airlines flights from Bangkok Suvarnabhumi Airport to Washington, D.C.

Our best American Airlines deals on Bangkok Suvarnabhumi Airport to Washington, D.C. flight tickets
American Airlines
Aug 22
BKK8:05 amBangkok Suvarnabhumi
25h 57m
2 stops
BWI11:02 pmBaltimore/Washington
Aug 29
BWI7:00 amBaltimore/Washington
29h 00m
2 stops
BKK11:00 pmBangkok Suvarnabhumi
$1,307
Find similar
American Airlines
Aug 5
BKK8:05 amBangkok Suvarnabhumi
27h 32m
3 stops
BWI12:37 amBaltimore/Washington
Aug 14
BWI7:00 amBaltimore/Washington
29h 00m
2 stops
BKK11:00 pmBangkok Suvarnabhumi
$10,382
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Korean Air flights from Bangkok Suvarnabhumi Airport to Washington, D.C.

Our best Korean Air deals on Bangkok Suvarnabhumi Airport to Washington, D.C. flight tickets
Korean Air
Dec 4
BKK1:00 amBangkok Suvarnabhumi
20h 50m
1 stop
IAD9:50 amWashington, D.C. Dulles Intl
Dec 31
IAD11:50 amWashington, D.C. Dulles Intl
23h 30m
1 stop
BKK11:20 pmBangkok Suvarnabhumi
$1,067
Find similar
Korean Air
Nov 17
BKK1:00 amBangkok Suvarnabhumi
24h 04m
2 stops
BWI1:04 pmBaltimore/Washington
Nov 29
BWI7:40 pmBaltimore/Washington
39h 40m
2 stops
BKK11:20 pmBangkok Suvarnabhumi
$1,677
Find similar
Korean Air
Aug 1
BKK9:50 amBangkok Suvarnabhumi
36h 25m
1 stop
IAD11:15 amWashington, D.C. Dulles Intl
Aug 14
IAD1:30 pmWashington, D.C. Dulles Intl
24h 35m
1 stop
BKK1:05 amBangkok Suvarnabhumi
$1,831
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momondo Fare Finder

 
Customize your flight search to find flights from Bangkok Suvarnabhumi Airport to Washington, D.C. that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 31, 2025.
Use the filters below to find and compare flights from Bangkok Suvarnabhumi Airport to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BangkokBaltimore

BKK - BWI

BKKBWI

Bangkok Suvarnabhumi

Sun 9/14

11:20 pm-10:23 pm

3 stops34h 03m

Baltimore/Washington

Sun 9/21

5:45 am-10:25 pm

2 stops29h 40m

$947

BangkokBaltimore

BKK - BWI

BKKBWI

Bangkok Suvarnabhumi

Sun 9/14

12:15 pm-7:01 am

2 stops29h 46m

Baltimore/Washington

Sun 9/21

5:45 am-4:05 am

2 stops35h 20m

$977

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Fri 8/29

9:35 am-10:05 am

1 stop35h 30m

Washington, D.C. Dulles Intl

Fri 9/5

8:20 am-4:35 am

2 stops33h 15m

$1,024

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Fri 8/29

7:00 am-10:09 pm

2 stops26h 09m

Washington, D.C. Reagan-National

Fri 9/5

1:00 pm-4:35 am

2 stops28h 35m

$1,033

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Thu 12/4

1:00 am-9:50 am

1 stop20h 50m

Washington, D.C. Dulles Intl

Wed 12/31

11:50 am-11:20 pm

1 stop23h 30m

$1,067

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Fri 10/3

7:00 am-8:55 pm

2 stops24h 55m

Washington, D.C. Dulles Intl

Sun 10/19

12:15 pm-4:35 am

1 stop29h 20m

$1,072

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Sat 9/20

9:35 pm-1:49 pm

2 stops51h 14m

Washington, D.C. Dulles Intl

Sat 10/4

12:15 pm-6:00 am

1 stop30h 45m

$1,076

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Mon 11/17

3:00 am-3:55 pm

1 stop24h 55m

Washington, D.C. Dulles Intl

Sat 11/29

8:05 pm-12:15 pm

1 stop28h 10m

$1,170

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Thu 10/2

2:30 am-3:40 pm

1 stop24h 10m

Washington, D.C. Dulles Intl

Sat 10/18

9:00 pm-1:25 pm

1 stop29h 25m

$1,195

BangkokBaltimore

BKK - BWI

BKKBWI

Bangkok Suvarnabhumi

Mon 11/17

1:00 am-1:04 pm

2 stops24h 04m

Baltimore/Washington

Sat 11/29

7:40 pm-11:20 pm

2 stops39h 40m

$1,677

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Bangkok Suvarnabhumi Airport to Washington, D.C.

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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

The month of January is, on average, the cheapest month to fly to Washington, D.C. from Bangkok Suvarnabhumi Airport, with most prices found around $1,087. If you’re not able to fly to Washington, D.C. in January, then February is your next best option. Flight prices from Bangkok Suvarnabhumi Airport to Washington, D.C. during February average around $1,087.

What is the cheapest day to depart on your flight to Washington, D.C.?

On average, the least expensive day to fly to Washington, D.C. from Bangkok Suvarnabhumi Airport is on a Sunday. momondo users have found tickets for Sunday departures for as low as $1,114. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Bangkok Suvarnabhumi Airport to Washington, D.C. for around $1,287.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

In the morning is the cheapest time of day to fly from Bangkok Suvarnabhumi Airport to Washington, D.C. when you can find flight prices for as low as $1,121. Flying to Washington, D.C. in the morning is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the afternoon because they tend to be around $1,279. Of course, these prices can vary depending on the time of year and what airport you fly to.

Can stopping save me money on Bangkok Suvarnabhumi Airport to Washington, D.C. flights?

You could potentially save up to 1% on your flight if you consider stops on a Bangkok Suvarnabhumi Airport to Washington, D.C. flight.

How have Bangkok Suvarnabhumi Airport to Washington, D.C. flight prices changed over time?

As of July 2025, prices for Bangkok Suvarnabhumi Airport to Washington, D.C. flights are approximately 19% cheaper when compared to flights at the same time last year.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Bangkok Suvarnabhumi Airport to Washington, D.C. according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Bangkok Suvarnabhumi Airport to Washington, D.C. (BKK to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Bangkok Suvarnabhumi Airport to Washington, D.C.

Best Price Found

$458

Fastest flight time

20h 50m

Direct flights

None

Airports in Washington, D.C.

3 airports
The best one-way flight to Washington, D.C. from Bangkok Suvarnabhumi Airport in the past 72 hours is $458. The best round-trip flight deal from Bangkok Suvarnabhumi Airport to Washington, D.C. found on momondo in the last 72 hours is $947.
The fastest flight from Bangkok Suvarnabhumi Airport to Washington, D.C. takes 20h 50m
There are no direct flights from Bangkok Suvarnabhumi Airport to Washington, D.C.. Popular non-direct routes for this connection are Bangkok Suvarnabhumi Airport - Washington, D.C. Reagan-National Airport, Bangkok Suvarnabhumi Airport - Baltimore/Washington Airport and Bangkok Suvarnabhumi Airport - Washington, D.C. Dulles Intl Airport.
There are 3 airports near Washington, D.C.: Washington, D.C. Reagan-National (DCA), Baltimore/Washington (BWI), Washington, D.C. Dulles Intl (IAD)
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  • How far is Bangkok Suvarnabhumi to Washington, D.C. by plane?

    Bangkok Suvarnabhumi and Washington, D.C. are 8793.6 mi apart from one another. In terms of flight time, this usually takes a little over 20h 50m.

  • When did momondo last update prices for flights from Bangkok Suvarnabhumi Airport to Washington, D.C.?

    Prices for flights from Bangkok Suvarnabhumi Airport to Washington, D.C. were last updated today.

  • How many operators does momondo search for flights from Bangkok Suvarnabhumi Airport to Washington, D.C.?

  • How old do you have to be to fly from Bangkok Suvarnabhumi Airport to Washington, D.C.?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Bangkok Suvarnabhumi Airport to Washington, D.C..

  • What documentation or ID do you need to fly to Washington, D.C.?

    The required travel and health documents for your Washington, D.C. trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C.. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Bangkok Suvarnabhumi Airport to Washington, D.C.?

Best airlines flying from Bangkok Suvarnabhumi Airport to Washington, D.C.

Compare and see reviews for airlines that fly from Bangkok Suvarnabhumi Airport to Washington, D.C. with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $983Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
ANAPriceFrom $1,003Free CancellationRating
8.4
922 reviews
Search ANA flights
Korean AirPriceFrom $1,043Free CancellationRating
8.4
1,121 reviews
Search Korean Air flights
Qatar AirwaysPriceFrom $1,158Free CancellationRating
7.4
3,609 reviews
Search Qatar Airways flights
Turkish AirlinesPriceFrom $1,287Free CancellationRating
7.3
3,933 reviews
Search Turkish Airlines flights
American AirlinesPriceFrom $1,370Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
EmiratesPriceFrom $1,371Free CancellationRating
8.1
3,300 reviews
Search Emirates flights

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Gettysburg
Arlington
National Harbor
Woodbridge
Laurel
Tysons
Silver Spring
Waldorf
Fredericksburg
Manassas
Towson
Rockville
Colonial Beach
Gaithersburg
Fairfax
Reston
Glen Burnie
Linthicum Heights
Springfield

Why use momondo?

Why should I use momondo to find a flight deal from Bangkok to Washington, D.C.?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Bangkok to Washington, D.C.. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Bangkok to Washington, D.C. with flexible booking policies on momondo?

momondo does allow users to show only those flights to Washington, D.C. from Bangkok which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Bangkok to Washington, D.C.?

momondo provides multiple filters to help you find the best flight to Washington, D.C. from Bangkok. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Bangkok to Washington, D.C. right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from Bangkok and alert you when they change.

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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport