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Cheap flights from Bangkok Suvarnabhumi Airport to Washington, D.C. from $543

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 1/26. 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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:20 pm - 6:14 pm
BKK
-
BWI
40h 54m2 stops
Multiple Airlines Logo
6:46 pm - 12:00 pm
BWI
-
BKK
53h 14m2 stops
$899Multiple Airlines
Tue, Feb 10 - Tue, Feb 24
SAUDIA Logo
1:50 am - 3:45 pm
BKK
-
IAD
24h 55m1 stop
SAUDIA Logo
6:50 pm - 1:40 pm
IAD
-
BKK
31h 50m1 stop
$942SAUDIA
Fri, Apr 24 - Sat, May 2
Multiple Airlines Logo
1:20 pm - 6:14 pm
BKK
-
BWI
40h 54m2 stops
Multiple Airlines Logo
7:14 pm - 12:00 pm
BWI
-
BKK
52h 46m2 stops
$953Multiple Airlines
Wed, Feb 4 - Wed, Feb 11
Multiple Airlines Logo
5:40 pm - 4:26 pm
BKK
-
IAD
58h 46m2 stops
Multiple Airlines Logo
2:35 pm - 5:55 am
IAD
-
BKK
27h 20m1 stop
$980Multiple Airlines
Wed, Jan 21 - Wed, Feb 11
Etihad Airways Logo
9:25 am - 9:05 am
BKK
-
IAD
35h 40m1 stop
Etihad Airways Logo
2:35 pm - 5:55 am
IAD
-
BKK
27h 20m1 stop
$1,003Etihad Airways
Wed, Feb 4 - Wed, Feb 11
IndiGo Logo
3:30 pm - 7:20 pm
BKK
-
IAD
39h 50m2 stops
IndiGo Logo
9:15 pm - 9:05 pm
IAD
-
BKK
35h 50m2 stops
$1,004IndiGo
Tue, Feb 10 - Tue, Feb 24
Air Canada Logo
8:15 am - 9:25 pm
BKK
-
IAD
25h 10m2 stops
Air Canada Logo
9:45 am - 6:30 am
IAD
-
BKK
32h 45m2 stops
$1,026Air Canada
Wed, Jan 21 - Wed, Feb 11
IndiGo Logo
10:50 am - 7:20 pm
BKK
-
IAD
44h 30m2 stops
IndiGo Logo
9:15 pm - 9:05 pm
IAD
-
BKK
35h 50m2 stops
$1,031IndiGo
Wed, Feb 4 - Wed, Feb 11
United Airlines Logo
7:10 am - 10:06 pm
BKK
-
DCA
26h 56m2 stops
United Airlines Logo
12:00 pm - 11:25 am
DCA
-
BKK
35h 25m3 stops
$1,061United Airlines
Tue, Feb 17 - Wed, Feb 25
United Airlines Logo
7:10 am - 6:41 pm
BKK
-
DCA
23h 31m2 stops
United Airlines Logo
12:00 pm - 11:25 am
DCA
-
BKK
35h 25m3 stops
$1,189United Airlines
Wed, Feb 4 - Wed, Feb 11

Air Canada flights from Bangkok Suvarnabhumi Airport to Washington, D.C.

Our best Air Canada deals on Bangkok Suvarnabhumi Airport to Washington, D.C. flight tickets
Air Canada
Jan 21
BKK8:15 amBangkok Suvarnabhumi
25h 10m
2 stops
IAD9:25 pmWashington, D.C. Dulles Intl
Feb 11
IAD9:45 amWashington, D.C. Dulles Intl
32h 45m
2 stops
BKK6:30 amBangkok Suvarnabhumi
$1,026
Find similar
Air Canada
Jan 21
BKK8:15 amBangkok Suvarnabhumi
38h 08m
2 stops
DCA10:23 amWashington, D.C. Reagan-National
Feb 11
DCA11:05 amWashington, D.C. Reagan-National
31h 25m
2 stops
BKK6:30 amBangkok Suvarnabhumi
$1,037
Find similar
Air Canada
Feb 4
BKK11:55 pmBangkok Suvarnabhumi
51h 54m
2 stops
IAD3:49 pmWashington, D.C. Dulles Intl
Feb 11
IAD9:45 amWashington, D.C. Dulles Intl
32h 45m
2 stops
BKK6:30 amBangkok Suvarnabhumi
$1,047
Find similar

Etihad Airways flights from Bangkok Suvarnabhumi Airport to Washington, D.C.

Our best Etihad Airways deals on Bangkok Suvarnabhumi Airport to Washington, D.C. flight tickets
Etihad Airways
Feb 4
BKK9:25 amBangkok Suvarnabhumi
35h 40m
1 stop
IAD9:05 amWashington, D.C. Dulles Intl
Feb 11
IAD2:35 pmWashington, D.C. Dulles Intl
27h 20m
1 stop
BKK5:55 amBangkok Suvarnabhumi
$1,003
Find similar
Etihad Airways
Jan 21
BKK9:15 amBangkok Suvarnabhumi
35h 50m
1 stop
IAD9:05 amWashington, D.C. Dulles Intl
Feb 11
IAD2:35 pmWashington, D.C. Dulles Intl
20h 50m
1 stop
BKK11:25 pmBangkok Suvarnabhumi
$1,110
Find similar
Etihad Airways
Apr 25
BKK9:10 amBangkok Suvarnabhumi
35h 35m
1 stop
IAD9:45 amWashington, D.C. Dulles Intl
May 2
IAD3:35 pmWashington, D.C. Dulles Intl
27h 55m
1 stop
BKK6:30 amBangkok Suvarnabhumi
$1,146
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 December 23, 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

Tue 2/10

1:20 pm-6:14 pm

2 stops40h 54m

Baltimore/Washington

Tue 2/24

6:46 pm-12:00 pm

2 stops53h 14m

$899

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Fri 4/24

1:50 am-3:45 pm

1 stop24h 55m

Washington, D.C. Dulles Intl

Sat 5/2

6:50 pm-1:40 pm

1 stop31h 50m

$942

BangkokBaltimore

BKK - BWI

BKKBWI

Bangkok Suvarnabhumi

Wed 2/4

1:20 pm-6:14 pm

2 stops40h 54m

Baltimore/Washington

Wed 2/11

7:14 pm-12:00 pm

2 stops52h 46m

$953

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Wed 1/21

5:40 pm-4:26 pm

2 stops58h 46m

Washington, D.C. Dulles Intl

Wed 2/11

2:35 pm-5:55 am

1 stop27h 20m

$980

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Wed 2/4

9:25 am-9:05 am

1 stop35h 40m

Washington, D.C. Dulles Intl

Wed 2/11

2:35 pm-5:55 am

1 stop27h 20m

$1,003

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Tue 2/10

3:30 pm-7:20 pm

2 stops39h 50m

Washington, D.C. Dulles Intl

Tue 2/24

9:15 pm-9:05 pm

2 stops35h 50m

$1,004

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Wed 1/21

8:15 am-9:25 pm

2 stops25h 10m

Washington, D.C. Dulles Intl

Wed 2/11

9:45 am-6:30 am

2 stops32h 45m

$1,026

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Wed 2/4

10:50 am-7:20 pm

2 stops44h 30m

Washington, D.C. Dulles Intl

Wed 2/11

9:15 pm-9:05 pm

2 stops35h 50m

$1,031

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Tue 2/17

7:10 am-10:06 pm

2 stops26h 56m

Washington, D.C. Reagan-National

Wed 2/25

12:00 pm-11:25 am

3 stops35h 25m

$1,061

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Wed 2/4

7:10 am-6:41 pm

2 stops23h 31m

Washington, D.C. Reagan-National

Wed 2/11

12:00 pm-11:25 am

3 stops35h 25m

$1,189

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 October is, on average, the cheapest month to fly to Washington, D.C. from Bangkok Suvarnabhumi Airport, with most prices found around $922. If you’re not able to fly to Washington, D.C. in October, then January is your next best option. Flight prices from Bangkok Suvarnabhumi Airport to Washington, D.C. during January average around $1,021.

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 $1,191 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 $1,011 on momondo.

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

You could potentially save up to 6% 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 December 2025, prices for Bangkok Suvarnabhumi Airport to Washington, D.C. flights are approximately 8% 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.

Fastest flight time

24h 55m

Direct flights

None
The fastest flight from Bangkok Suvarnabhumi Airport to Washington, D.C. takes 24h 55m
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..
Search flight deals

  • 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 24h 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
9,103 reviews
Search United Airlines flights
ANAPriceFrom $1,011Free CancellationRating
8.4
1,034 reviews
Search ANA flights
Korean AirPriceFrom $1,033Free CancellationRating
8.4
1,185 reviews
Search Korean Air flights
Qatar AirwaysPriceFrom $1,142Free CancellationRating
7.4
3,686 reviews
Search Qatar Airways flights
EmiratesPriceFrom $1,392Free CancellationRating
8.1
3,441 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
National Harbor
Gettysburg
Arlington
Waldorf
Woodbridge
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Gaithersburg
Reston
Manassas
Fairfax
Glen Burnie
Linthicum Heights
Bethesda

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