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Cheap flights from Bangkok Suvarnabhumi Airport to Washington, D.C. from $636

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 3/6. 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

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Air China Logo
1:30 am - 6:30 pmBKK-IAD
29h 00m1 stop
Air China Logo
10:00 pm - 12:10 amIAD-BKK
38h 10m1 stop
$921Air China
Find Deal
Mon, Nov 17 - Tue, Nov 25
Air China Logo
1:30 am - 6:30 pmBKK-IAD
29h 00m1 stop
Air China Logo
10:00 pm - 6:05 pmIAD-BKK
32h 05m1 stop
$922Air China
Find Deal
Thu, Nov 20 - Tue, Nov 25
SAUDIA Logo
3:20 pm - 2:05 pmBKK-IAD
34h 45m1 stop
SAUDIA Logo
6:10 pm - 11:30 pmIAD-BKK
41h 20m1 stop
$923SAUDIA
Find Deal
Thu, Dec 18 - Sat, Jan 10
IndiGo Logo
10:50 am - 7:20 pmBKK-IAD
44h 30m2 stops
IndiGo Logo
9:15 pm - 9:05 pmIAD-BKK
35h 50m2 stops
$927IndiGo
Find Deal
Sun, Dec 14 - Sun, Jan 4
Air China Logo
1:50 pm - 6:30 pmBKK-IAD
40h 40m2 stops
Air China Logo
10:00 pm - 6:05 pmIAD-BKK
32h 05m1 stop
$932Air China
Find Deal
Mon, Nov 17 - Tue, Nov 25
IndiGo Logo
10:50 am - 7:20 pmBKK-IAD
44h 30m2 stops
IndiGo Logo
9:15 pm - 9:05 pmIAD-BKK
35h 50m2 stops
$969IndiGo
Find Deal
Fri, Dec 19 - Fri, Jan 9
SAUDIA Logo
3:20 pm - 2:45 pmBKK-IAD
35h 25m1 stop
SAUDIA Logo
6:10 pm - 11:30 pmIAD-BKK
41h 20m1 stop
$1,018SAUDIA
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Tue, Nov 18 - Sat, Nov 29
United Airlines Logo
4:55 pm - 11:49 amBKK-IAD
30h 54m3 stops
United Airlines Logo
12:40 pm - 11:25 amIAD-BKK
34h 45m2 stops
$1,043United Airlines
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Thu, Nov 20 - Thu, Jan 15
Korean Air Logo
11:15 pm - 9:50 amBKK-IAD
22h 35m1 stop
Korean Air Logo
11:50 am - 1:25 pmIAD-BKK
37h 35m1 stop
$1,047Korean Air
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Tue, Nov 18 - Tue, Nov 25
United Airlines Logo
4:55 pm - 5:30 pmBKK-IAD
36h 35m3 stops
United Airlines Logo
6:39 pm - 11:25 amIAD-BKK
28h 46m2 stops
$1,052United Airlines
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Tue, Nov 18 - Tue, Nov 25

Air China flights from Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl Airport

Our best Air China deals on Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl Airport flight tickets
Air China
Nov 17
BKK1:30 amBangkok Suvarnabhumi
29h 00m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
Nov 25
IAD10:00 pmWashington, D.C. Dulles Intl
38h 10m
1 stop
BKK12:10 amBangkok Suvarnabhumi
$921
Find similar
Air China
Nov 20
BKK1:30 amBangkok Suvarnabhumi
29h 00m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
Nov 25
IAD10:00 pmWashington, D.C. Dulles Intl
32h 05m
1 stop
BKK6:05 pmBangkok Suvarnabhumi
$922
Find similar
Air China
Nov 17
BKK1:50 pmBangkok Suvarnabhumi
40h 40m
2 stops
IAD6:30 pmWashington, D.C. Dulles Intl
Nov 25
IAD10:00 pmWashington, D.C. Dulles Intl
32h 05m
1 stop
BKK6:05 pmBangkok Suvarnabhumi
$932
Find similar

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

Our best Etihad Airways deals on Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl Airport flight tickets
Etihad Airways
Nov 18
BKK2:55 amBangkok Suvarnabhumi
24h 35m
1 stop
IAD3:30 pmWashington, D.C. Dulles Intl
Jan 13
IAD2:35 pmWashington, D.C. Dulles Intl
20h 45m
1 stop
BKK11:20 pmBangkok Suvarnabhumi
$957
Find similar
Etihad Airways
Dec 19
BKK2:55 amBangkok Suvarnabhumi
42h 10m
1 stop
IAD9:05 amWashington, D.C. Dulles Intl
Jan 14
IAD2:35 pmWashington, D.C. Dulles Intl
20h 45m
1 stop
BKK11:20 pmBangkok Suvarnabhumi
$971
Find similar
Etihad Airways
Nov 18
BKK2:55 amBangkok Suvarnabhumi
24h 35m
1 stop
IAD3:30 pmWashington, D.C. Dulles Intl
Jan 17
IAD2:35 pmWashington, D.C. Dulles Intl
20h 45m
1 stop
BKK11:20 pmBangkok Suvarnabhumi
$977
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl Airport 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 November 4, 2025.
Use the filters below to find and compare flights from Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Mon 11/17

1:30 am-6:30 pm

1 stop29h 00m

Washington, D.C. Dulles Intl

Tue 11/25

10:00 pm-12:10 am

1 stop38h 10m

$921

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Thu 11/20

1:30 am-6:30 pm

1 stop29h 00m

Washington, D.C. Dulles Intl

Tue 11/25

10:00 pm-6:05 pm

1 stop32h 05m

$922

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Thu 12/18

3:20 pm-2:05 pm

1 stop34h 45m

Washington, D.C. Dulles Intl

Sat 1/10

6:10 pm-11:30 pm

1 stop41h 20m

$923

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Sun 12/14

10:50 am-7:20 pm

2 stops44h 30m

Washington, D.C. Dulles Intl

Sun 1/4

9:15 pm-9:05 pm

2 stops35h 50m

$927

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Mon 11/17

1:50 pm-6:30 pm

2 stops40h 40m

Washington, D.C. Dulles Intl

Tue 11/25

10:00 pm-6:05 pm

1 stop32h 05m

$932

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Fri 12/19

10:50 am-7:20 pm

2 stops44h 30m

Washington, D.C. Dulles Intl

Fri 1/9

9:15 pm-9:05 pm

2 stops35h 50m

$969

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Tue 11/18

3:20 pm-2:45 pm

1 stop35h 25m

Washington, D.C. Dulles Intl

Sat 11/29

6:10 pm-11:30 pm

1 stop41h 20m

$1,018

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

Thu 1/15

12:40 pm-11:25 am

2 stops34h 45m

$1,043

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Tue 11/18

11:15 pm-9:50 am

1 stop22h 35m

Washington, D.C. Dulles Intl

Tue 11/25

11:50 am-1:25 pm

1 stop37h 35m

$1,047

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Tue 11/18

4:55 pm-5:30 pm

3 stops36h 35m

Washington, D.C. Dulles Intl

Tue 11/25

6:39 pm-11:25 am

2 stops28h 46m

$1,052

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. Dulles Intl Airport

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. Dulles Intl Airport?

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

In general, July is the cheapest month to fly from Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,033. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of July, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $1,044.

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

Our data shows that Sunday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $1,053. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl Airport for around $1,303.

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

Flying to Washington, D.C. Dulles Intl Airport from Bangkok Suvarnabhumi Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,134 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $1,234 on average. Flights to Washington, D.C. Dulles Intl Airport from Bangkok Suvarnabhumi Airport in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Bangkok Suvarnabhumi Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $1,213 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Bangkok Suvarnabhumi Airport for as low as $1,073 on momondo.

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

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

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

As of November 2025, prices for Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl Airport flights are approximately 20% cheaper when compared to flights at the same time last year.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport (BKK to IAD) flight deals and tips

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

Direct flights

None
There are no direct flights from Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl Airport.
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  • How far is Bangkok Suvarnabhumi to Washington, D.C. Dulles Intl by plane?

    Bangkok Suvarnabhumi and Washington, D.C. Dulles Intl are 8791.6 mi apart from one another. 22h 35m is a normal flight duration for this route.

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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. Dulles Intl Airport.

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

    The necessary travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

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

Compare and see reviews for airlines that fly from Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $992Free CancellationRating
7.4
9,002 reviews
Search United Airlines flights
ANAPriceFrom $1,011Free CancellationRating
8.4
1,002 reviews
Search ANA flights
Korean AirPriceFrom $1,033Free CancellationRating
8.4
1,160 reviews
Search Korean Air flights
Qatar AirwaysPriceFrom $1,143Free CancellationRating
7.4
3,660 reviews
Search Qatar Airways flights
EmiratesPriceFrom $1,371Free CancellationRating
8.1
3,401 reviews
Search Emirates flights
American AirlinesPriceFrom $1,401Free CancellationRating
7.2
11,040 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
Winchester
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Harpers Ferry
Towson
Rockville
Manassas
Reston
Gaithersburg
Fairfax
Sterling

Why use momondo?

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

It is quick and easy to find Bangkok to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

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

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Bangkok with this policy.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Bangkok.

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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