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Cheap flights from Bangkok Suvarnabhumi Airport to Washington, D.C. from $445

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 11/13. 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.
IndiGo Logo
3:30 pm - 7:20 pmBKK-IAD
39h 50m2 stops
IndiGo Logo
1:30 pm - 9:05 pmIAD-BKK
43h 35m2 stops
$891IndiGo
Find Deal
Mon, Feb 9 - Mon, Feb 23
IndiGo Logo
10:50 am - 7:20 pmBKK-IAD
44h 30m2 stops
IndiGo Logo
9:15 pm - 9:05 pmIAD-BKK
35h 50m2 stops
$898IndiGo
Find Deal
Sat, Jan 24 - Sat, Jan 31
Multiple Airlines Logo
10:50 am - 7:20 pmBKK-IAD
44h 30m2 stops
Multiple Airlines Logo
2:35 pm - 6:00 pmIAD-BKK
39h 25m1 stop
$918Multiple Airlines
Find Deal
Sat, Jan 24 - Sat, Jan 31
Multiple Airlines Logo
11:50 pm - 6:16 pmBKK-BWI
54h 26m2 stops
Multiple Airlines Logo
7:00 am - 11:00 pmBWI-BKK
52h 00m2 stops
$939Multiple Airlines
Find Deal
Mon, Dec 1 - Fri, Dec 5
United Airlines Logo
7:10 am - 4:27 pmBKK-IAD
45h 17m2 stops
United Airlines Logo
1:05 pm - 11:25 amIAD-BKK
34h 20m3 stops
$1,034United Airlines
Find Deal
Thu, Nov 13 - Thu, Jan 15
United Airlines Logo
4:55 pm - 11:49 amBKK-IAD
30h 54m3 stops
United Airlines Logo
8:25 am - 11:25 amIAD-BKK
39h 00m2 stops
$1,041United Airlines
Find Deal
Thu, Nov 20 - Fri, Jan 16
Korean Air Logo
11:15 pm - 4:56 pmBKK-BWI
29h 41m2 stops
Korean Air Logo
6:00 am - 12:45 amBWI-BKK
30h 45m2 stops
$1,668Korean Air
Find Deal
Mon, Dec 22 - Fri, Jan 2
Qatar Airways Logo
2:00 am - 7:29 pmBKK-BWI
29h 29m2 stops
Qatar Airways Logo
11:45 am - 7:25 pmBWI-BKK
43h 40m2 stops
$1,678Qatar Airways
Find Deal
Sat, Dec 20 - Thu, Jan 1
Korean Air Logo
12:55 am - 12:55 pmBKK-BWI
24h 00m2 stops
Korean Air Logo
6:00 am - 12:45 amBWI-BKK
30h 45m2 stops
$1,721Korean Air
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Sun, Dec 21 - Fri, Jan 2
Qatar Airways Logo
3:00 am - 9:47 pmBKK-BWI
30h 47m2 stops
Qatar Airways Logo
8:36 am - 12:55 pmBWI-BKK
41h 19m2 stops
$2,000Qatar Airways
Find Deal
Fri, Feb 27 - Sat, May 16

IndiGo flights from Bangkok Suvarnabhumi Airport to Washington, D.C.

Our best IndiGo deals on Bangkok Suvarnabhumi Airport to Washington, D.C. flight tickets
IndiGo
Feb 9
BKK3:30 pmBangkok Suvarnabhumi
39h 50m
2 stops
IAD7:20 pmWashington, D.C. Dulles Intl
Feb 23
IAD1:30 pmWashington, D.C. Dulles Intl
43h 35m
2 stops
BKK9:05 pmBangkok Suvarnabhumi
$891
Find similar
IndiGo
Jan 24
BKK10:50 amBangkok Suvarnabhumi
44h 30m
2 stops
IAD7:20 pmWashington, D.C. Dulles Intl
Jan 31
IAD9:15 pmWashington, D.C. Dulles Intl
35h 50m
2 stops
BKK9:05 pmBangkok Suvarnabhumi
$898
Find similar
IndiGo
Dec 20
BKK10:50 amBangkok Suvarnabhumi
44h 30m
2 stops
IAD7:20 pmWashington, D.C. Dulles Intl
Jan 14
IAD1:30 pmWashington, D.C. Dulles Intl
43h 35m
2 stops
BKK9:05 pmBangkok Suvarnabhumi
$908
Find similar

SAUDIA flights from Bangkok Suvarnabhumi Airport to Washington, D.C.

Our best SAUDIA deals on Bangkok Suvarnabhumi Airport to Washington, D.C. flight tickets
SAUDIA
Nov 20
BKK3:20 pmBangkok Suvarnabhumi
34h 45m
1 stop
IAD2:05 pmWashington, D.C. Dulles Intl
Jan 17
IAD6:10 pmWashington, D.C. Dulles Intl
31h 30m
1 stop
BKK1:40 pmBangkok Suvarnabhumi
$950
Find similar
SAUDIA
Jan 23
BKK1:15 amBangkok Suvarnabhumi
25h 30m
1 stop
IAD2:45 pmWashington, D.C. Dulles Intl
Jan 31
IAD6:10 pmWashington, D.C. Dulles Intl
41h 20m
1 stop
BKK11:30 pmBangkok Suvarnabhumi
$970
Find similar
SAUDIA
Nov 10
BKK1:15 amBangkok Suvarnabhumi
25h 30m
1 stop
IAD2:45 pmWashington, D.C. Dulles Intl
Jan 17
IAD6:10 pmWashington, D.C. Dulles Intl
31h 30m
1 stop
BKK1:40 pmBangkok Suvarnabhumi
$997
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 October 30, 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

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Mon 2/9

3:30 pm-7:20 pm

2 stops39h 50m

Washington, D.C. Dulles Intl

Mon 2/23

1:30 pm-9:05 pm

2 stops43h 35m

$891

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Sat 1/24

10:50 am-7:20 pm

2 stops44h 30m

Washington, D.C. Dulles Intl

Sat 1/31

9:15 pm-9:05 pm

2 stops35h 50m

$898

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Sat 1/24

10:50 am-7:20 pm

2 stops44h 30m

Washington, D.C. Dulles Intl

Sat 1/31

2:35 pm-6:00 pm

1 stop39h 25m

$918

BangkokBaltimore

BKK - BWI

BKKBWI

Bangkok Suvarnabhumi

Mon 12/1

11:50 pm-6:16 pm

2 stops54h 26m

Baltimore/Washington

Fri 12/5

7:00 am-11:00 pm

2 stops52h 00m

$939

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Thu 11/13

7:10 am-4:27 pm

2 stops45h 17m

Washington, D.C. Dulles Intl

Thu 1/15

1:05 pm-11:25 am

3 stops34h 20m

$1,034

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Thu 11/20

4:55 pm-11:49 am

3 stops30h 54m

Washington, D.C. Dulles Intl

Fri 1/16

8:25 am-11:25 am

2 stops39h 00m

$1,041

BangkokBaltimore

BKK - BWI

BKKBWI

Bangkok Suvarnabhumi

Mon 12/22

11:15 pm-4:56 pm

2 stops29h 41m

Baltimore/Washington

Fri 1/2

6:00 am-12:45 am

2 stops30h 45m

$1,668

BangkokBaltimore

BKK - BWI

BKKBWI

Bangkok Suvarnabhumi

Sat 12/20

2:00 am-7:29 pm

2 stops29h 29m

Baltimore/Washington

Thu 1/1

11:45 am-7:25 pm

2 stops43h 40m

$1,678

BangkokBaltimore

BKK - BWI

BKKBWI

Bangkok Suvarnabhumi

Sun 12/21

12:55 am-12:55 pm

2 stops24h 00m

Baltimore/Washington

Fri 1/2

6:00 am-12:45 am

2 stops30h 45m

$1,721

BangkokBaltimore

BKK - BWI

BKKBWI

Bangkok Suvarnabhumi

Fri 2/27

3:00 am-9:47 pm

2 stops30h 47m

Baltimore/Washington

Sat 5/16

8:36 am-12:55 pm

2 stops41h 19m

$2,000

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 July is, on average, the cheapest month to fly to Washington, D.C. from Bangkok Suvarnabhumi Airport, with most prices found around $1,063. If you’re not able to fly to Washington, D.C. in July, then October is your next best option. Flight prices from Bangkok Suvarnabhumi Airport to Washington, D.C. during October average around $1,072.

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 $1,215 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.

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

You could potentially save up to 26% 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 October 2025, prices for Bangkok Suvarnabhumi Airport to Washington, D.C. flights are approximately 3% 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 22h 46m.

  • 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
8,998 reviews
Search United Airlines flights
ANAPriceFrom $1,011Free CancellationRating
8.4
998 reviews
Search ANA flights
Korean AirPriceFrom $1,033Free CancellationRating
8.4
1,155 reviews
Search Korean Air flights
Qatar AirwaysPriceFrom $1,143Free CancellationRating
7.4
3,661 reviews
Search Qatar Airways flights
EmiratesPriceFrom $1,371Free CancellationRating
8.1
3,394 reviews
Search Emirates flights
American AirlinesPriceFrom $1,401Free CancellationRating
7.2
11,035 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
National Harbor
Gettysburg
Arlington
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Manassas
Reston
Gaithersburg
Fairfax
Glen Burnie
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