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

Korean Air, Qatar Airways and United Airlines are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from Thailand according to our data. Korean Air is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 4 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.

How long does it take to fly to Washington, D.C. Dulles Intl Airport?

Flight times from Thailand to Washington, D.C. Dulles Intl Airport vary, but if you’re flying out of Bangkok and flying into Washington, D.C. Dulles Intl Airport (one of the most popular routes), then the duration is 27h 13m on average. Another popular route from Thailand to Washington, D.C. Dulles Intl Airport is flying from Chiang Mai to Washington, D.C. Dulles Intl Airport, which will take roughly 30h 59m. Keep in mind that layovers or delays could extend your travel time.

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

Delta is the most popular carrier operating from Thailand to Washington, D.C. Dulles Intl

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

As of February 2026, there are 4 operators available to choose from for flights from Thailand to Washington, D.C. Dulles Intl Airport.

How old do you have to be to fly from Thailand 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 Thailand to Washington, D.C. Dulles Intl Airport.

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

The travel and health documents required for your trip to Washington, D.C. Dulles Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Dulles Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$467 Cheap Flights from Thailand to Washington, D.C. Dulles Intl Airport in 2026

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Recent round-trip flight deals from Thailand to Washington, D.C.

Enter your travel dates to find the best prices.

1:30 am - 7:30 pm

BKK

IAD

29h 00m

1 stop

11:00 pm - 12:10 am

IAD

BKK

38h 10m

1 stop

$762Air China

Mon, Mar 23 - Tue, Apr 7

7:30 pm - 7:30 pm

BKK

IAD

35h 00m

1 stop

11:00 pm - 6:20 pm

IAD

BKK

32h 20m

1 stop

$787Air China

Mon, Mar 23 - Fri, Apr 10

5:55 pm - 7:30 pm

BKK

IAD

60h 35m

2 stops

11:00 pm - 6:20 pm

IAD

BKK

32h 20m

1 stop

$797Air China

Sun, Mar 22 - Fri, Apr 10

7:30 pm - 7:30 pm

BKK

IAD

35h 00m

1 stop

3:10 pm - 11:50 pm

IAD

BKK

21h 40m

1 stop

$897Multiple Airlines

Thu, Mar 19 - Wed, Apr 1

1:30 am - 7:30 pm

BKK

IAD

29h 00m

1 stop

3:10 pm - 11:50 pm

IAD

BKK

21h 40m

1 stop

$903Multiple Airlines

Mon, Mar 23 - Mon, Apr 27

5:55 pm - 7:30 pm

BKK

IAD

36h 35m

2 stops

3:10 pm - 11:50 pm

IAD

BKK

21h 40m

1 stop

$915Multiple Airlines

Thu, Mar 19 - Wed, Apr 1

7:30 pm - 7:30 pm

BKK

IAD

35h 00m

1 stop

3:10 pm - 11:50 pm

IAD

BKK

21h 40m

1 stop

$924Multiple Airlines

Thu, Mar 26 - Thu, Apr 2

9:30 am - 9:45 am

CNX

IAD

35h 15m

1 stop

3:10 pm - 6:25 am

IAD

CNX

28h 15m

1 stop

$2,028Etihad Airways

Tue, May 26 - Tue, Jun 2

9:30 am - 9:45 am

CNX

IAD

35h 15m

1 stop

3:10 pm - 6:25 am

IAD

CNX

28h 15m

1 stop

$2,034Etihad Airways

Tue, May 26 - Tue, Jun 2

9:30 am - 9:45 am

CNX

IAD

35h 15m

1 stop

3:10 pm - 6:25 am

IAD

CNX

28h 15m

1 stop

$2,036Etihad Airways

Tue, May 26 - Tue, Jun 2

United Airlines flights from Thailand to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on Thailand to Washington, D.C. Dulles Intl Airport flight tickets

United Airlines

Jun 7

BKK9:35 amBangkok Suvarnabhumi

41h 15m

1 stop

IAD3:50 pmWashington, D.C. Dulles Intl

Jul 12

IAD6:10 amWashington, D.C. Dulles Intl

35h 25m

2 stops

BKK4:35 amBangkok Suvarnabhumi

$1,061

United Airlines

Jul 1

BKK9:35 amBangkok Suvarnabhumi

39h 33m

2 stops

IAD2:08 pmWashington, D.C. Dulles Intl

Aug 24

IAD6:00 amWashington, D.C. Dulles Intl

40h 35m

2 stops

BKK9:35 amBangkok Suvarnabhumi

$1,066

United Airlines

Mar 5

BKK4:55 pmBangkok Suvarnabhumi

30h 54m

3 stops

IAD11:49 amWashington, D.C. Dulles Intl

May 4

IAD5:55 pmWashington, D.C. Dulles Intl

28h 40m

2 stops

BKK9:35 amBangkok Suvarnabhumi

$1,076

Delta flights from Thailand to Washington, D.C. Dulles Intl Airport

Our best Delta deals on Thailand to Washington, D.C. Dulles Intl Airport flight tickets

Delta

Mar 24

BKK11:15 pmBangkok Suvarnabhumi

36h 12m

2 stops

IAD12:27 amWashington, D.C. Dulles Intl

Apr 10

IAD7:29 pmWashington, D.C. Dulles Intl

55h 06m

2 stops

BKK1:35 pmBangkok Suvarnabhumi

$1,000

Delta

Mar 4

BKK12:55 amBangkok Suvarnabhumi

34h 15m

2 stops

IAD11:10 pmWashington, D.C. Dulles Intl

Mar 10

IAD7:00 amWashington, D.C. Dulles Intl

29h 20m

2 stops

BKK11:20 pmBangkok Suvarnabhumi

$1,002

Delta

Mar 23

BKK11:15 pmBangkok Suvarnabhumi

36h 12m

2 stops

IAD12:27 amWashington, D.C. Dulles Intl

Apr 6

IAD3:35 pmWashington, D.C. Dulles Intl

43h 10m

2 stops

BKK9:45 pmBangkok Suvarnabhumi

$1,039

momondo Fare Finder

Use the filters below to find and compare flights from Thailand 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 3/23

1:30 am-7:30 pm

1 stop29h 00m

Washington, D.C. Dulles Intl

Tue 4/7

11:00 pm-12:10 am

1 stop38h 10m

$762

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Mon 3/23

7:30 pm-7:30 pm

1 stop35h 00m

Washington, D.C. Dulles Intl

Fri 4/10

11:00 pm-6:20 pm

1 stop32h 20m

$787

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Sun 3/22

5:55 pm-7:30 pm

2 stops60h 35m

Washington, D.C. Dulles Intl

Fri 4/10

11:00 pm-6:20 pm

1 stop32h 20m

$797

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Thu 3/19

7:30 pm-7:30 pm

1 stop35h 00m

Washington, D.C. Dulles Intl

Wed 4/1

3:10 pm-11:50 pm

1 stop21h 40m

$897

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Mon 3/23

1:30 am-7:30 pm

1 stop29h 00m

Washington, D.C. Dulles Intl

Mon 4/27

3:10 pm-11:50 pm

1 stop21h 40m

$903

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Thu 3/19

5:55 pm-7:30 pm

2 stops36h 35m

Washington, D.C. Dulles Intl

Wed 4/1

3:10 pm-11:50 pm

1 stop21h 40m

$915

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Thu 3/26

7:30 pm-7:30 pm

1 stop35h 00m

Washington, D.C. Dulles Intl

Thu 4/2

3:10 pm-11:50 pm

1 stop21h 40m

$924

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Tue 5/26

9:30 am-9:45 am

1 stop35h 15m

Washington, D.C. Dulles Intl

Tue 6/2

3:10 pm-6:25 am

1 stop28h 15m

$2,028

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Tue 5/26

9:30 am-9:45 am

1 stop35h 15m

Washington, D.C. Dulles Intl

Tue 6/2

3:10 pm-6:25 am

1 stop28h 15m

$2,034

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Tue 5/26

9:30 am-9:45 am

1 stop35h 15m

Washington, D.C. Dulles Intl

Tue 6/2

3:10 pm-6:25 am

1 stop28h 15m

$2,036

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 Thailand 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

Other information

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

In general, July is the cheapest month to fly from Thailand 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 $1,029. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of July, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $1,042.

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 Thailand 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 $1,172 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 Thailand for as low as $1,011 on momondo.

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

You could potentially save up to 42% on your flight if you consider stops on a Thailand to Washington, D.C. Dulles Intl Airport flight.

Cheap Thailand to Washington, D.C. Dulles Intl Airport flight deals and tips

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

Fastest flight time	24h 32m
Direct flights	None

The fastest flight from Thailand to Washington, D.C. Dulles Intl Airport takes 24h 32m

There are no direct flights from Thailand to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Thailand to Washington, D.C. Dulles Intl Airport.

Search flight deals

When did momondo last update prices for flights from Thailand to Washington, D.C. Dulles Intl Airport?
Prices for flights from Thailand to Washington, D.C. Dulles Intl Airport are updated daily.
How many operators does momondo search for flights from Thailand to Washington, D.C. Dulles Intl Airport?
As of February 2026, there are 4 operators available to choose from for flights from Thailand to Washington, D.C. Dulles Intl Airport.
How old do you have to be to fly from Thailand 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 Thailand to Washington, D.C. Dulles Intl Airport.
What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?
The travel and health documents required for your trip to Washington, D.C. Dulles Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Dulles Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Compare and see reviews for airlines that fly from Thailand to Washington, D.C. Dulles Intl Airport with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $1,040	Free Cancellation	Rating 7.4 9,351 reviews	Search United Airlines flights
Korean Air	PriceFrom $1,065	Free Cancellation	Rating 8.4 1,195 reviews	Search Korean Air flights
ANA	PriceFrom $1,109	Free Cancellation	Rating 8.4 1,103 reviews	Search ANA flights
Qatar Airways	PriceFrom $1,134	Free Cancellation	Rating 7.4 3,745 reviews	Search Qatar Airways flights

Alexandria

National Harbor

Gettysburg

Arlington

Winchester

Waldorf

Woodbridge

Colonial Beach

Laurel

Towson

Silver Spring

Gaithersburg

Tysons

Fredericksburg

Rockville

Manassas

Springfield

Fairfax

Bethesda

Sterling

Why use momondo?

Why should I use momondo to find a flight deal from Thailand 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 Thailand to Washington, D.C.. Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to Washington, D.C. from Thailand which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to Washington, D.C. from Thailand. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Thailand to Washington, D.C. right now. Can momondo alert me if prices change?

Price alerts on flights to Washington, D.C. from Thailand are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Cheap flights from Thailand to Washington, D.C. from $467

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Thailand to Washington, D.C. departing on 4/2. 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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United Airlines flights from Thailand to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on Thailand to Washington, D.C. Dulles Intl Airport flight tickets

Delta flights from Thailand to Washington, D.C. Dulles Intl Airport

Our best Delta deals on Thailand to Washington, D.C. Dulles Intl Airport flight tickets

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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Thailand to 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 to Washington, D.C. Dulles Intl Airport?

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

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

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

How long does it take to fly to Washington, D.C. Dulles Intl Airport?

Cheap Thailand to Washington, D.C. Dulles Intl Airport flight deals and tips

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

Fastest flight time

Direct flights

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

Compare and see reviews for airlines that fly from Thailand to Washington, D.C. Dulles Intl Airport with momondo

Traveling to a place near Washington, D.C.?

Why use momondo?

An easier way to manage your Washington, D.C. Dulles Intl Airport trip

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