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Cheap flights from Bangkok Suvarnabhumi Airport to Washington, D.C. from $464

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 9/24. 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

Multiple Airlines Logo
1:20 pm - 6:35 amBKK-BWI
28h 15m2 stops
Multiple Airlines Logo
6:00 am - 11:00 pmBWI-BKK
29h 00m2 stops
$928Multiple Airlines
Find Deal
Fri, Oct 31 - Fri, Nov 7
Multiple Airlines Logo
7:00 pm - 12:26 pmBKK-BWI
28h 26m3 stops
Multiple Airlines Logo
5:45 am - 11:50 pmBWI-BKK
31h 05m2 stops
$992Multiple Airlines
Find Deal
Sun, Sep 28 - Thu, Oct 2
Multiple Airlines Logo
11:50 pm - 10:29 pmBKK-BWI
33h 39m3 stops
Multiple Airlines Logo
6:00 am - 11:00 pmBWI-BKK
29h 00m2 stops
$996Multiple Airlines
Find Deal
Fri, Oct 31 - Fri, Nov 7
Korean Air Logo
12:55 am - 9:50 amBKK-IAD
20h 55m1 stop
Korean Air Logo
11:50 am - 9:30 pmIAD-BKK
45h 40m1 stop
$1,115Korean Air
Find Deal
Thu, Dec 4 - Wed, Dec 31
Korean Air Logo
9:30 pm - 9:50 amBKK-IAD
24h 20m1 stop
Korean Air Logo
11:50 am - 12:45 amIAD-BKK
24h 55m1 stop
$1,116Korean Air
Find Deal
Mon, Nov 3 - Mon, Nov 17
United Airlines Logo
4:55 pm - 11:47 amBKK-IAD
30h 52m3 stops
United Airlines Logo
10:08 pm - 11:25 amIAD-BKK
49h 17m2 stops
$1,119United Airlines
Find Deal
Fri, Nov 21 - Tue, Dec 2
United Airlines Logo
7:00 am - 4:52 pmBKK-DCA
44h 52m2 stops
United Airlines Logo
3:30 pm - 11:25 amDCA-BKK
31h 55m3 stops
$1,122United Airlines
Find Deal
Mon, Oct 20 - Fri, Nov 14
ANA Logo
2:20 pm - 9:10 amBKK-IAD
30h 50m1 stop
ANA Logo
8:20 am - 12:20 amIAD-BKK
28h 00m2 stops
$1,143ANA
Find Deal
Sat, Dec 20 - Wed, Jan 14
Qatar Airways Logo
2:30 am - 3:40 pmBKK-IAD
24h 10m1 stop
Qatar Airways Logo
11:00 am - 7:20 pmIAD-BKK
21h 20m1 stop
$1,172Qatar Airways
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Tue, Oct 14 - Wed, Oct 22
ANA Logo
9:35 am - 9:30 pmBKK-BWI
46h 55m2 stops
ANA Logo
6:45 am - 11:55 pmBWI-BKK
30h 10m2 stops
$1,498ANA
Find Deal
Sun, Sep 28 - Thu, Oct 2

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
BKK12:55 amBangkok Suvarnabhumi
20h 55m
1 stop
IAD9:50 amWashington, D.C. Dulles Intl
Dec 31
IAD11:50 amWashington, D.C. Dulles Intl
45h 40m
1 stop
BKK9:30 pmBangkok Suvarnabhumi
$1,115
Find similar
Korean Air
Nov 3
BKK9:30 pmBangkok Suvarnabhumi
24h 20m
1 stop
IAD9:50 amWashington, D.C. Dulles Intl
Nov 17
IAD11:50 amWashington, D.C. Dulles Intl
24h 55m
1 stop
BKK12:45 amBangkok Suvarnabhumi
$1,116
Find similar
Korean Air
Nov 13
BKK11:15 pmBangkok Suvarnabhumi
22h 35m
1 stop
IAD9:50 amWashington, D.C. Dulles Intl
Nov 16
IAD11:50 amWashington, D.C. Dulles Intl
23h 30m
1 stop
BKK11:20 pmBangkok Suvarnabhumi
$1,117
Find similar

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

Our best United Airlines deals on Bangkok Suvarnabhumi Airport to Washington, D.C. flight tickets
United Airlines
Nov 21
BKK4:55 pmBangkok Suvarnabhumi
30h 52m
3 stops
IAD11:47 amWashington, D.C. Dulles Intl
Dec 2
IAD10:08 pmWashington, D.C. Dulles Intl
49h 17m
2 stops
BKK11:25 amBangkok Suvarnabhumi
$1,119
Find similar
United Airlines
Oct 20
BKK7:00 amBangkok Suvarnabhumi
44h 52m
2 stops
DCA4:52 pmWashington, D.C. Reagan-National
Nov 14
DCA3:30 pmWashington, D.C. Reagan-National
31h 55m
3 stops
BKK11:25 amBangkok Suvarnabhumi
$1,122
Find similar
United Airlines
Nov 13
BKK4:55 pmBangkok Suvarnabhumi
28h 03m
3 stops
DCA8:58 amWashington, D.C. Reagan-National
Nov 16
DCA6:00 amWashington, D.C. Reagan-National
30h 20m
2 stops
BKK12:20 amBangkok Suvarnabhumi
$1,126
Find similar

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 September 16, 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

Fri 10/31

1:20 pm-6:35 am

2 stops28h 15m

Baltimore/Washington

Fri 11/7

6:00 am-11:00 pm

2 stops29h 00m

$928

BangkokBaltimore

BKK - BWI

BKKBWI

Bangkok Suvarnabhumi

Sun 9/28

7:00 pm-12:26 pm

3 stops28h 26m

Baltimore/Washington

Thu 10/2

5:45 am-11:50 pm

2 stops31h 05m

$992

BangkokBaltimore

BKK - BWI

BKKBWI

Bangkok Suvarnabhumi

Fri 10/31

11:50 pm-10:29 pm

3 stops33h 39m

Baltimore/Washington

Fri 11/7

6:00 am-11:00 pm

2 stops29h 00m

$996

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Thu 12/4

12:55 am-9:50 am

1 stop20h 55m

Washington, D.C. Dulles Intl

Wed 12/31

11:50 am-9:30 pm

1 stop45h 40m

$1,115

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Mon 11/3

9:30 pm-9:50 am

1 stop24h 20m

Washington, D.C. Dulles Intl

Mon 11/17

11:50 am-12:45 am

1 stop24h 55m

$1,116

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Fri 11/21

4:55 pm-11:47 am

3 stops30h 52m

Washington, D.C. Dulles Intl

Tue 12/2

10:08 pm-11:25 am

2 stops49h 17m

$1,119

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Mon 10/20

7:00 am-4:52 pm

2 stops44h 52m

Washington, D.C. Reagan-National

Fri 11/14

3:30 pm-11:25 am

3 stops31h 55m

$1,122

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Sat 12/20

2:20 pm-9:10 am

1 stop30h 50m

Washington, D.C. Dulles Intl

Wed 1/14

8:20 am-12:20 am

2 stops28h 00m

$1,143

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Tue 10/14

2:30 am-3:40 pm

1 stop24h 10m

Washington, D.C. Dulles Intl

Wed 10/22

11:00 am-7:20 pm

1 stop21h 20m

$1,172

BangkokBaltimore

BKK - BWI

BKKBWI

Bangkok Suvarnabhumi

Sun 9/28

9:35 am-9:30 pm

2 stops46h 55m

Baltimore/Washington

Thu 10/2

6:45 am-11:55 pm

2 stops30h 10m

$1,498

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 typical price of a round-trip flight between Bangkok Suvarnabhumi Airport and Washington, D.C.?

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 $1,021. If you’re not able to fly to Washington, D.C. in January, then July is your next best option. Flight prices from Bangkok Suvarnabhumi Airport to Washington, D.C. during July average around $1,063.

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.

How far in advance should I book a flight to Washington, D.C.?

You are more likely to see cheaper flights to Washington, D.C. from Bangkok Suvarnabhumi Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $1,218 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Bangkok Suvarnabhumi Airport for as low as $1,092 on momondo.

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

As of September 2025, prices for Bangkok Suvarnabhumi Airport to Washington, D.C. flights are approximately 17% more expensive 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.

Direct flights

None
There are no direct flights from Bangkok Suvarnabhumi Airport to Washington, D.C.. There are no popular flight routes from Bangkok Suvarnabhumi Airport to Washington, D.C..
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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 55m.

  • 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 $992Free CancellationRating
7.4
8,929 reviews
Search United Airlines flights
ANAPriceFrom $1,015Free CancellationRating
8.4
963 reviews
Search ANA flights
Korean AirPriceFrom $1,043Free CancellationRating
8.4
1,139 reviews
Search Korean Air flights
Qatar AirwaysPriceFrom $1,143Free CancellationRating
7.4
3,624 reviews
Search Qatar Airways flights
EmiratesPriceFrom $1,371Free CancellationRating
8.1
3,334 reviews
Search Emirates flights
American AirlinesPriceFrom $1,401Free CancellationRating
7.2
10,000 reviews
Search American Airlines 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
National Harbor
Arlington
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Manassas
Reston
Fairfax
Glen Burnie
Gaithersburg
Springfield
Linthicum Heights

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