What airlines fly to Washington, D.C. Dulles Intl Airport?

Qatar Airways, Korean Air and Delta are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from Bangkok Suvarnabhumi Airport according to our data. Qatar Airways is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 6 different airlines that fly to Washington, D.C. Dulles Intl Airport on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest connection time from Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl Airport?

Los Angeles (LAX) has the shortest average layover time for this route: 1h 22m.

Which layover airport offers the lowest fares from Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl Airport?

Flights via Abu Dhabi (AUH) offer the lowest average round-trip price of $1,050.

Which layover airport has the shortest travel time from Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl Airport?

Flights connecting via Dubai (DXB) have the shortest average one-way travel time: 22h 30m.

Which airport is the most popular layover for flights between Bangkok Suvarnabhumi Airport and Washington, D.C. Dulles Intl Airport?

Doha (DOH) was the most common stop: 33% of momondo users choosing 1-stop flights on this route connected there.

What is the cheapest airline that flies from Bangkok Suvarnabhumi to Washington, D.C. Dulles Intl?

Air China, STARLUX Airlines, and United Airlines are the most popular carriers operating from Bangkok Suvarnabhumi to Washington, D.C. Dulles Intl

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

As of November 2026, there are 6 operators available to choose from for flights 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.

$422 Cheap Flights from Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl Airport in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Bangkok Suvarnabhumi Airport to Washington, D.C.

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:55 pm - 8:35 pmBKK Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl

33h 40m1 stop Incheon Intl

12:35 am - 9:25 pmIAD Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi

33h 50m1 stop Incheon Intl

$782AIR PREMIA

Thu, Mar 4 - Wed, Mar 24

3:20 pm - 1:50 pmBKK Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl

34h 30m1 stop Jeddah King Abdulaziz Intl

5:50 pm - 1:40 pmIAD Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi

31h 50m1 stop Riyadh King Khaled Intl

$816SAUDIA

Mon, Jan 18 - Sun, Jan 31

9:10 am - 9:10 amBKK Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl

36h 00m1 stop Tokyo Haneda

12:55 pm - 5:10 amIAD Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi

28h 15m2 stops Chicago O'Hare Intl Tokyo Haneda

$1,036United Airlines

Sun, Feb 7 - Tue, Feb 23

9:10 am - 9:10 amBKK Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl

36h 00m1 stop Tokyo Haneda

8:24 am - 11:30 amIAD Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi

39h 06m3 stops Chicago O'Hare Intl Los Angeles Hong Kong Intl

$1,036United Airlines

Sun, Feb 7 - Tue, Feb 23

2:20 pm - 9:10 amBKK Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl

30h 50m1 stop Tokyo Haneda

3:35 pm - 4:35 amIAD Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi

26h 00m2 stops Chicago O'Hare Intl Tokyo Haneda

$1,066ANA

Mon, Mar 8 - Mon, Aug 23

10:25 pm - 9:10 amBKK Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl

22h 45m1 stop Tokyo Haneda

3:35 pm - 4:35 amIAD Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi

26h 00m2 stops Chicago O'Hare Intl Tokyo Haneda

$1,066ANA

Mon, Mar 8 - Mon, Aug 23

8:15 am - 3:55 pmBKK Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl

43h 40m1 stop Doha Hamad Intl

9:00 pm - 7:05 pmIAD Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi

35h 05m1 stop Doha Hamad Intl

$1,243Qatar Airways

Mon, Mar 8 - Mon, Aug 9

8:15 am - 3:55 pmBKK Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl

43h 40m1 stop Doha Hamad Intl

9:00 pm - 7:05 pmIAD Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi

35h 05m1 stop Doha Hamad Intl

$1,244Qatar Airways

Mon, Mar 8 - Mon, Aug 9

8:25 am - 10:15 pmBKK Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl

24h 50m1 stop Taipei City Taiwan Taoyuan Intl

1:15 am - 10:40 amIAD Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi

22h 25m1 stop Taipei City Taiwan Taoyuan Intl

$1,246Thai Airways

Fri, Apr 2 - Wed, Apr 21

8:10 am - 8:55 pmBKK Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl

24h 45m1 stop Taipei City Taiwan Taoyuan Intl

11:55 pm - 4:50 pmIAD Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi

28h 55m1 stop Taipei City Taiwan Taoyuan Intl

$1,325Thai Airways

Mon, Nov 30 - Mon, Dec 14

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AIR PREMIA flights from Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl Airport

Our best AIR PREMIA deals on Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl Airport flight tickets

AIR PREMIA

Mar 4

BKK10:55 pmBangkok Suvarnabhumi

33h 40m

1 stop

IAD8:35 pmWashington, D.C. Dulles Intl

Mar 24

IAD12:35 amWashington, D.C. Dulles Intl

33h 50m

1 stop

BKK9:25 pmBangkok Suvarnabhumi

$782

AIR PREMIA

Mar 11

BKK10:55 pmBangkok Suvarnabhumi

33h 40m

1 stop

IAD8:35 pmWashington, D.C. Dulles Intl

Mar 31

IAD12:35 amWashington, D.C. Dulles Intl

33h 35m

1 stop

BKK9:10 pmBangkok Suvarnabhumi

$989

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

Our best ANA deals on Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl Airport flight tickets

ANA

Mar 8

BKK2:20 pmBangkok Suvarnabhumi

30h 50m

1 stop

IAD9:10 amWashington, D.C. Dulles Intl

Aug 23

IAD3:35 pmWashington, D.C. Dulles Intl

26h 00m

2 stops

BKK4:35 amBangkok Suvarnabhumi

$1,066

ANA

Mar 11

BKK10:25 pmBangkok Suvarnabhumi

22h 45m

1 stop

IAD9:10 amWashington, D.C. Dulles Intl

Apr 1

IAD3:35 pmWashington, D.C. Dulles Intl

26h 00m

2 stops

BKK4:35 amBangkok Suvarnabhumi

$1,069

ANA

Mar 17

BKK10:25 pmBangkok Suvarnabhumi

25h 49m

2 stops

IAD1:14 pmWashington, D.C. Dulles Intl

Apr 28

IAD12:15 pmWashington, D.C. Dulles Intl

29h 20m

1 stop

BKK4:35 amBangkok Suvarnabhumi

$1,074

momondo Fare Finder

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

Cheapest round-trip

BangkokWashington, D.C.

BKK Bangkok Suvarnabhumi - IAD Washington, D.C. Dulles Intl

BKKIAD

Bangkok Suvarnabhumi

Thu 3/4

10:55 pm-8:35 pm

1 stop33h 40m

Washington, D.C. Dulles Intl

Wed 3/24

12:35 am-9:25 pm

1 stop33h 50m

$782

BangkokWashington, D.C.

BKK Bangkok Suvarnabhumi - IAD Washington, D.C. Dulles Intl

BKKIAD

Bangkok Suvarnabhumi

Mon 1/18

3:20 pm-1:50 pm

1 stop34h 30m

Washington, D.C. Dulles Intl

Sun 1/31

5:50 pm-1:40 pm

1 stop31h 50m

$816

BangkokWashington, D.C.

BKK Bangkok Suvarnabhumi - IAD Washington, D.C. Dulles Intl

BKKIAD

Bangkok Suvarnabhumi

Sun 2/7

9:10 am-9:10 am

1 stop36h 00m

Washington, D.C. Dulles Intl

Tue 2/23

12:55 pm-5:10 am

2 stops28h 15m

$1,036

BangkokWashington, D.C.

BKK Bangkok Suvarnabhumi - IAD Washington, D.C. Dulles Intl

BKKIAD

Bangkok Suvarnabhumi

Sun 2/7

9:10 am-9:10 am

1 stop36h 00m

Washington, D.C. Dulles Intl

Tue 2/23

8:24 am-11:30 am

3 stops39h 06m

$1,036

BangkokWashington, D.C.

BKK Bangkok Suvarnabhumi - IAD Washington, D.C. Dulles Intl

BKKIAD

Bangkok Suvarnabhumi

Mon 3/8

2:20 pm-9:10 am

1 stop30h 50m

Washington, D.C. Dulles Intl

Mon 8/23

3:35 pm-4:35 am

2 stops26h 00m

$1,066

BangkokWashington, D.C.

BKK Bangkok Suvarnabhumi - IAD Washington, D.C. Dulles Intl

BKKIAD

Bangkok Suvarnabhumi

Mon 3/8

10:25 pm-9:10 am

1 stop22h 45m

Washington, D.C. Dulles Intl

Mon 8/23

3:35 pm-4:35 am

2 stops26h 00m

$1,066

BangkokWashington, D.C.

BKK Bangkok Suvarnabhumi - IAD Washington, D.C. Dulles Intl

BKKIAD

Bangkok Suvarnabhumi

Mon 3/8

8:15 am-3:55 pm

1 stop43h 40m

Washington, D.C. Dulles Intl

Mon 8/9

9:00 pm-7:05 pm

1 stop35h 05m

$1,243

BangkokWashington, D.C.

BKK Bangkok Suvarnabhumi - IAD Washington, D.C. Dulles Intl

BKKIAD

Bangkok Suvarnabhumi

Mon 3/8

8:15 am-3:55 pm

1 stop43h 40m

Washington, D.C. Dulles Intl

Mon 8/9

9:00 pm-7:05 pm

1 stop35h 05m

$1,244

Quickest round-trip

BangkokWashington, D.C.

BKK Bangkok Suvarnabhumi - IAD Washington, D.C. Dulles Intl

BKKIAD

Bangkok Suvarnabhumi

Fri 4/2

8:25 am-10:15 pm

1 stop24h 50m

Washington, D.C. Dulles Intl

Wed 4/21

1:15 am-10:40 am

1 stop22h 25m

$1,246

BangkokWashington, D.C.

BKK Bangkok Suvarnabhumi - IAD Washington, D.C. Dulles Intl

BKKIAD

Bangkok Suvarnabhumi

Mon 11/30

8:10 am-8:55 pm

1 stop24h 45m

Washington, D.C. Dulles Intl

Mon 12/14

11:55 pm-4:50 pm

1 stop28h 55m

$1,325

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Layovers

What is the typical price of a round-trip flight between Bangkok Suvarnabhumi Airport and Washington, D.C. Dulles Intl Airport?

Prices are currently low for flights on this route.

Typical prices usually range from $1,008 to $1,185.
The lowest price recently found on this route was $782.

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

In general, November 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 $1,041. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of November, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $1,054.

How far in advance should I book a flight from Bangkok Suvarnabhumi Airport 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 $1,161 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 $1,032 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 33% 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 2026, prices for Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl Airport flights are approximately 37% 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

Best Price Found	$422
Fastest flight time	23h 55m
Direct flights	None

The best one-way flight to Washington, D.C. Dulles Intl Airport from Bangkok Suvarnabhumi Airport in the past 72 hours is $422. The best round-trip flight deal from Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $782.

The fastest flight from Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl Airport takes 23h 55m

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.

Search flight deals

Frequently asked questions about flying from Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl Airport

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. 23h 55m 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?
As of November 2026, there are 6 operators available to choose from 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?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl Airport is Qatar Airways (27% of total bookings). The next most popular airlines are Korean Air (20%), Delta (17%), and ANA (14%).

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
Thai Airways	PriceFrom $768	Free Cancellation	Rating 7.9 433 reviews	Search Thai Airways flights
United Airlines	PriceFrom $956	Free Cancellation	Rating 7.3 10,463 reviews	Search United Airlines flights
ANA	PriceFrom $1,028	Free Cancellation	Rating 8.3 1,338 reviews	Search ANA flights
Korean Air	PriceFrom $1,105	Free Cancellation	Rating 8.4 1,219 reviews	Search Korean Air flights
Delta	PriceFrom $1,112	Free Cancellation	Rating 7.8 8,700 reviews	Search Delta flights
Qatar Airways	PriceFrom $1,132	Free Cancellation	Rating 7.4 3,712 reviews	Search Qatar Airways flights

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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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Cheap flights from Bangkok Suvarnabhumi Airport to Washington, D.C. from $422

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AIR PREMIA flights from Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl Airport

Our best AIR PREMIA deals on Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl Airport flight tickets

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

Our best ANA deals on Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl Airport flight tickets

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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.

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

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?

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

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

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

What is the cheapest airline that flies from Bangkok Suvarnabhumi to Washington, D.C. Dulles Intl?

What airlines fly to Washington, D.C. Dulles Intl Airport?

Which airport is the most popular layover for flights between Bangkok Suvarnabhumi Airport and Washington, D.C. Dulles Intl Airport?

Which layover airport offers the lowest fares from Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl Airport?

Which layover airport has the shortest travel time from Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl Airport?

Which layover airport has the shortest connection time from Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl Airport?

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

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

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Frequently asked questions about flying 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

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