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

Qatar Airways, Korean Air 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. Qatar Airways is the first choice among our users, with 46% 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.

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

STARLUX Airlines and EVA Air are the most popular carriers operating from Thailand to Washington, D.C. Dulles Intl

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 26h 46m 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 32h 10m. Keep in mind that layovers or delays could extend your travel time.

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

As of July 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.

$625 Cheap Flights from Thailand to Washington, D.C. Dulles Intl Airport in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Thailand to Washington, D.C.

Round-trip

One-way

Last minute

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

Enter your travel dates to find the best prices.

3:20 pm - 2:45 pm

BKK

IAD

35h 25m

1 stop

6:10 pm - 1:40 pm

IAD

BKK

31h 30m

1 stop

$850SAUDIA

Wed, Dec 23 - Sat, Jan 2

3:25 pm - 3:45 pm

BKK

IAD

35h 20m

1 stop

6:10 pm - 1:40 pm

IAD

BKK

32h 30m

1 stop

$893SAUDIA

Tue, Oct 13 - Sat, Oct 31

9:35 am - 10:05 am

BKK

IAD

35h 30m

1 stop

8:20 am - 4:35 am

IAD

BKK

33h 15m

2 stops

$1,018United Airlines

Wed, Sep 30 - Sun, Oct 4

9:35 am - 10:05 am

BKK

IAD

35h 30m

1 stop

10:35 am - 5:10 am

IAD

BKK

31h 35m

2 stops

$1,019United Airlines

Fri, Sep 25 - Tue, Oct 27

3:25 pm - 3:45 pm

BKK

IAD

35h 20m

1 stop

3:10 pm - 6:45 am

IAD

BKK

28h 35m

1 stop

$1,027Multiple Airlines

Thu, Sep 3 - Wed, Sep 16

7:45 pm - 3:55 pm

CNX

IAD

32h 10m

2 stops

8:05 pm - 9:25 am

IAD

CNX

25h 20m

2 stops

$1,344Qatar Airways

Thu, Nov 5 - Mon, Nov 9

7:45 pm - 3:55 pm

CNX

IAD

32h 10m

2 stops

8:05 pm - 9:25 am

IAD

CNX

25h 20m

2 stops

$1,349Qatar Airways

Thu, Nov 5 - Mon, Nov 9

12:15 am - 9:50 am

CNX

IAD

21h 35m

1 stop

11:50 am - 10:55 pm

IAD

CNX

23h 05m

1 stop

$1,357Korean Air

Wed, Nov 4 - Mon, Nov 9

12:15 am - 9:50 am

CNX

IAD

21h 35m

1 stop

11:50 am - 10:55 pm

IAD

CNX

23h 05m

1 stop

$1,358Korean Air

Wed, Nov 4 - Mon, Nov 9

11:35 am - 11:59 pm

CNX

IAD

47h 24m

2 stops

7:00 am - 10:25 am

IAD

CNX

40h 25m

2 stops

$1,393Multiple Airlines

Sun, Aug 23 - Sun, Aug 30

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

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

ANA

Sep 3

BKK9:35 pmBangkok Suvarnabhumi

23h 30m

1 stop

IAD10:05 amWashington, D.C. Dulles Intl

Sep 16

IAD3:40 pmWashington, D.C. Dulles Intl

25h 55m

2 stops

BKK4:35 amBangkok Suvarnabhumi

$1,048

ANA

Sep 26

BKK9:35 pmBangkok Suvarnabhumi

23h 30m

1 stop

IAD10:05 amWashington, D.C. Dulles Intl

Oct 28

IAD3:34 pmWashington, D.C. Dulles Intl

27h 56m

2 stops

BKK6:30 amBangkok Suvarnabhumi

$1,052

ANA

Sep 17

BKK9:35 amBangkok Suvarnabhumi

35h 30m

1 stop

IAD10:05 amWashington, D.C. Dulles Intl

Sep 21

IAD3:40 pmWashington, D.C. Dulles Intl

25h 55m

2 stops

BKK4:35 amBangkok Suvarnabhumi

$1,076

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

Oct 13

BKK3:00 amBangkok Suvarnabhumi

23h 40m

1 stop

IAD3:40 pmWashington, D.C. Dulles Intl

Oct 28

IAD9:05 pmWashington, D.C. Dulles Intl

22h 10m

1 stop

BKK6:15 amBangkok Suvarnabhumi

$1,091

Qatar Airways

Sep 24

BKK2:30 amBangkok Suvarnabhumi

24h 10m

1 stop

IAD3:40 pmWashington, D.C. Dulles Intl

Oct 27

IAD9:05 pmWashington, D.C. Dulles Intl

22h 10m

1 stop

BKK6:15 amBangkok Suvarnabhumi

$1,122

Qatar Airways

Dec 21

BKK8:15 amBangkok Suvarnabhumi

43h 40m

1 stop

IAD3:55 pmWashington, D.C. Dulles Intl

Jan 11

IAD8:05 pmWashington, D.C. Dulles Intl

22h 10m

1 stop

BKK6:15 amBangkok Suvarnabhumi

$1,127

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

Wed 12/23

3:20 pm-2:45 pm

1 stop35h 25m

Washington, D.C. Dulles Intl

Sat 1/2

6:10 pm-1:40 pm

1 stop31h 30m

$850

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Tue 10/13

3:25 pm-3:45 pm

1 stop35h 20m

Washington, D.C. Dulles Intl

Sat 10/31

6:10 pm-1:40 pm

1 stop32h 30m

$893

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Wed 9/30

9:35 am-10:05 am

1 stop35h 30m

Washington, D.C. Dulles Intl

Sun 10/4

8:20 am-4:35 am

2 stops33h 15m

$1,018

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Fri 9/25

9:35 am-10:05 am

1 stop35h 30m

Washington, D.C. Dulles Intl

Tue 10/27

10:35 am-5:10 am

2 stops31h 35m

$1,019

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Thu 9/3

3:25 pm-3:45 pm

1 stop35h 20m

Washington, D.C. Dulles Intl

Wed 9/16

3:10 pm-6:45 am

1 stop28h 35m

$1,027

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Thu 11/5

7:45 pm-3:55 pm

2 stops32h 10m

Washington, D.C. Dulles Intl

Mon 11/9

8:05 pm-9:25 am

2 stops25h 20m

$1,344

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Thu 11/5

7:45 pm-3:55 pm

2 stops32h 10m

Washington, D.C. Dulles Intl

Mon 11/9

8:05 pm-9:25 am

2 stops25h 20m

$1,349

Quickest round-trip

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Wed 11/4

12:15 am-9:50 am

1 stop21h 35m

Washington, D.C. Dulles Intl

Mon 11/9

11:50 am-10:55 pm

1 stop23h 05m

$1,357

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Wed 11/4

12:15 am-9:50 am

1 stop21h 35m

Washington, D.C. Dulles Intl

Mon 11/9

11:50 am-10:55 pm

1 stop23h 05m

$1,358

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Sun 8/23

11:35 am-11:59 pm

2 stops47h 24m

Washington, D.C. Dulles Intl

Sun 8/30

7:00 am-10:25 am

2 stops40h 25m

$1,393

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 $1,190 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	23h 22m
Direct flights	None

The fastest flight from Thailand to Washington, D.C. Dulles Intl Airport takes 23h 22m

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 July 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
United Airlines	PriceFrom $958	Free Cancellation	Rating 7.4 9,978 reviews	Search United Airlines flights
ANA	PriceFrom $1,028	Free Cancellation	Rating 8.3 1,271 reviews	Search ANA flights
Korean Air	PriceFrom $1,045	Free Cancellation	Rating 8.4 1,221 reviews	Search Korean Air flights
Delta	PriceFrom $1,112	Free Cancellation	Rating 7.8 8,457 reviews	Search Delta flights
Qatar Airways	PriceFrom $1,142	Free Cancellation	Rating 7.3 3,743 reviews	Search Qatar Airways flights

Alexandria

National Harbor

Arlington

Gettysburg

Winchester

Waldorf

Laurel

Woodbridge

Fredericksburg

Gaithersburg

Linthicum Heights

Rockville

Colonial Beach

Towson

Manassas

Silver Spring

Sterling

Tysons

Springfield

Fairfax

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 $625

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 12/15. 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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ANA flights from Thailand to Washington, D.C. Dulles Intl Airport

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

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

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.

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

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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List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

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