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 Thailand according to our data. Qatar Airways is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 5 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 30h 19m 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 40m. 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?

Qatar Airways, STARLUX Airlines, and Emirates are the most popular carriers 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 May 2026, there are 5 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.

$614 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.

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7:00 am - 9:00 pm

BKK

IAD

25h 00m

2 stops

9:10 am - 9:35 am

IAD

BKK

37h 25m

2 stops

$966United Airlines

Mon, Jun 15 - Thu, Aug 6

7:00 am - 11:19 pm

BKK

IAD

27h 19m

2 stops

7:00 am - 9:35 am

IAD

BKK

39h 35m

2 stops

$968United Airlines

Sun, Jun 14 - Sat, Aug 8

1:30 am - 7:30 pm

BKK

IAD

29h 00m

1 stop

3:10 pm - 11:50 pm

IAD

BKK

21h 40m

1 stop

$972Multiple Airlines

Mon, Jun 8 - Sun, Aug 9

1:30 am - 7:30 pm

BKK

IAD

29h 00m

1 stop

3:10 pm - 11:50 pm

IAD

BKK

21h 40m

1 stop

$977Multiple Airlines

Mon, Jun 8 - Mon, Aug 10

7:35 pm - 7:30 pm

BKK

IAD

34h 55m

1 stop

3:10 pm - 12:10 pm

IAD

BKK

34h 00m

1 stop

$978Multiple Airlines

Thu, Jun 11 - Mon, Aug 10

5:20 pm - 6:39 am

CNX

IAD

48h 19m

2 stops

6:14 pm - 4:20 pm

IAD

CNX

35h 06m

2 stops

$1,373STARLUX Airlines

Thu, Jul 16 - Tue, Jul 21

11:00 am - 8:10 am

DMK

IAD

33h 10m

1 stop

10:30 am - 10:00 am

IAD

DMK

35h 30m

1 stop

$1,486Emirates

Tue, Nov 3 - Sat, Nov 7

11:50 pm - 8:40 am

DMK

IAD

43h 50m

1 stop

10:55 am - 8:45 pm

IAD

DMK

22h 50m

1 stop

$1,488Emirates

Tue, Sep 1 - Fri, Oct 2

10:10 am - 4:40 pm

CNX

IAD

41h 30m

2 stops

9:00 pm - 11:15 am

IAD

CNX

27h 15m

2 stops

$1,496Qatar Airways

Mon, Jun 8 - Mon, Jul 20

8:00 pm - 3:40 pm

CNX

IAD

30h 40m

2 stops

9:00 pm - 1:45 pm

IAD

CNX

29h 45m

2 stops

$1,520Qatar Airways

Fri, Oct 16 - Tue, Oct 20

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

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

Qatar Airways

Jun 10

BKK7:45 pmBangkok Suvarnabhumi

31h 55m

1 stop

IAD4:40 pmWashington, D.C. Dulles Intl

Sep 9

IAD9:00 pmWashington, D.C. Dulles Intl

22h 20m

1 stop

BKK6:20 amBangkok Suvarnabhumi

$1,108

Qatar Airways

Jun 10

BKK7:00 pmBangkok Suvarnabhumi

32h 40m

1 stop

IAD4:40 pmWashington, D.C. Dulles Intl

Sep 9

IAD9:00 pmWashington, D.C. Dulles Intl

29h 25m

1 stop

BKK1:25 pmBangkok Suvarnabhumi

$1,110

Qatar Airways

Jun 10

BKK7:45 pmBangkok Suvarnabhumi

31h 55m

1 stop

IAD4:40 pmWashington, D.C. Dulles Intl

Aug 11

IAD11:05 amWashington, D.C. Dulles Intl

21h 20m

1 stop

BKK7:25 pmBangkok Suvarnabhumi

$1,155

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

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

Korean Air

Jun 8

CNX9:45 pmChiang Mai

30h 02m

2 stops

IAD4:47 pmWashington, D.C. Dulles Intl

Jul 20

IAD1:30 pmWashington, D.C. Dulles Intl

44h 15m

1 stop

CNX8:45 pmChiang Mai

$1,662

Korean Air

Jun 8

CNX9:45 pmChiang Mai

48h 54m

2 stops

IAD11:39 amWashington, D.C. Dulles Intl

Jul 20

IAD1:30 pmWashington, D.C. Dulles Intl

44h 15m

1 stop

CNX8:45 pmChiang Mai

$1,670

Korean Air

Oct 16

CNX9:45 pmChiang Mai

24h 20m

1 stop

IAD11:05 amWashington, D.C. Dulles Intl

Oct 20

IAD1:15 pmWashington, D.C. Dulles Intl

44h 30m

1 stop

CNX8:45 pmChiang Mai

$1,704

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

Cheapest round-trip

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Mon 6/15

7:00 am-9:00 pm

2 stops25h 00m

Washington, D.C. Dulles Intl

Thu 8/6

9:10 am-9:35 am

2 stops37h 25m

$966

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Sun 6/14

7:00 am-11:19 pm

2 stops27h 19m

Washington, D.C. Dulles Intl

Sat 8/8

7:00 am-9:35 am

2 stops39h 35m

$968

Quickest round-trip

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Mon 6/8

1:30 am-7:30 pm

1 stop29h 00m

Washington, D.C. Dulles Intl

Sun 8/9

3:10 pm-11:50 pm

1 stop21h 40m

$972

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Mon 6/8

1:30 am-7:30 pm

1 stop29h 00m

Washington, D.C. Dulles Intl

Mon 8/10

3:10 pm-11:50 pm

1 stop21h 40m

$977

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Thu 6/11

7:35 pm-7:30 pm

1 stop34h 55m

Washington, D.C. Dulles Intl

Mon 8/10

3:10 pm-12:10 pm

1 stop34h 00m

$978

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Thu 7/16

5:20 pm-6:39 am

2 stops48h 19m

Washington, D.C. Dulles Intl

Tue 7/21

6:14 pm-4:20 pm

2 stops35h 06m

$1,373

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

Tue 11/3

11:00 am-8:10 am

1 stop33h 10m

Washington, D.C. Dulles Intl

Sat 11/7

10:30 am-10:00 am

1 stop35h 30m

$1,486

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

Tue 9/1

11:50 pm-8:40 am

1 stop43h 50m

Washington, D.C. Dulles Intl

Fri 10/2

10:55 am-8:45 pm

1 stop22h 50m

$1,488

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Mon 6/8

10:10 am-4:40 pm

2 stops41h 30m

Washington, D.C. Dulles Intl

Mon 7/20

9:00 pm-11:15 am

2 stops27h 15m

$1,496

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Fri 10/16

8:00 pm-3:40 pm

2 stops30h 40m

Washington, D.C. Dulles Intl

Tue 10/20

9:00 pm-1:45 pm

2 stops29h 45m

$1,520

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, April 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 $472. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of April, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $809.

How far in advance should I book a flight from Thailand 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 $1,151 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 $809 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	26h 59m
Direct flights	None

The fastest flight from Thailand to Washington, D.C. Dulles Intl Airport takes 26h 59m

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

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

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 May 2026, there are 5 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
ANA	PriceFrom $1,028	Free Cancellation	Rating 8.3 1,219 reviews	Search ANA flights
United Airlines	PriceFrom $1,056	Free Cancellation	Rating 7.4 9,765 reviews	Search United Airlines flights
Korean Air	PriceFrom $1,065	Free Cancellation	Rating 8.4 1,217 reviews	Search Korean Air flights
Delta	PriceFrom $1,112	Free Cancellation	Rating 7.9 8,419 reviews	Search Delta flights
Qatar Airways	PriceFrom $1,142	Free Cancellation	Rating 7.4 3,727 reviews	Search Qatar Airways flights

Alexandria

National Harbor

Gettysburg

Arlington

Winchester

Waldorf

Woodbridge

Laurel

Gaithersburg

Colonial Beach

Fredericksburg

Silver Spring

Rockville

Towson

Manassas

Sterling

Linthicum Heights

Tysons

Springfield

Bethesda

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 $614

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 6/17. 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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Qatar Airways flights from Thailand to Washington, D.C. Dulles Intl Airport

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

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

Our best Korean Air 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 from Thailand 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

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

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

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