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

Qatar Airways, Delta, and Japan Airlines are the most popular carriers operating from Thailand to Washington, D.C.

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

Flight times from Thailand to Washington, D.C. vary, but if you’re flying out of Chiang Mai and flying into Washington, D.C. Dulles Intl Airport (one of the most popular routes), then the duration is 21h 25m on average. Another popular route from Thailand to Washington, D.C. is flying from Bangkok to Washington, D.C. Dulles Intl Airport, which will take roughly 26h 52m. Keep in mind that layovers or delays could extend your travel time.

What airlines fly to Washington, D.C.?

Korean Air, Qatar Airways and United Airlines are the top three most popular airlines that fly to Washington, D.C. from Thailand according to our data. Korean Air is the first choice among our users, with 32% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 5 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Thailand to Washington, D.C.?

Prices for flights from Thailand to Washington, D.C. refresh daily.

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

As of March 2026, there are 5 operators available to choose from for flights from Thailand to Washington, D.C..

How old do you have to be to fly from Thailand to Washington, D.C.?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Thailand to Washington, D.C..

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

The required travel and health documents for your Washington, D.C. trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C.. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$540 Cheap Flights from Thailand to Washington, D.C. in 2026

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

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

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9:35 am - 9:53 pm

BKK

DCA

47h 18m

2 stops

8:30 am - 11:55 pm

DCA

BKK

28h 25m

2 stops

$803United Airlines

Wed, Sep 2 - Sun, Sep 6

9:35 am - 10:26 pm

BKK

DCA

47h 51m

2 stops

8:30 am - 11:55 pm

DCA

BKK

28h 25m

2 stops

$804United Airlines

Wed, Sep 2 - Sun, Sep 6

9:35 am - 9:53 pm

BKK

DCA

47h 18m

2 stops

11:30 am - 9:35 am

DCA

BKK

35h 05m

3 stops

$806United Airlines

Tue, Sep 8 - Tue, Sep 22

9:35 am - 10:59 pm

BKK

IAD

48h 24m

2 stops

8:30 pm - 9:35 am

IAD

BKK

26h 05m

2 stops

$806United Airlines

Tue, Sep 8 - Tue, Sep 22

9:35 am - 9:15 am

BKK

DCA

58h 40m

2 stops

8:30 am - 11:55 pm

DCA

BKK

28h 25m

2 stops

$809United Airlines

Wed, Sep 2 - Sun, Sep 6

7:00 am - 9:53 pm

BKK

DCA

25h 53m

2 stops

6:00 pm - 9:35 am

DCA

BKK

28h 35m

2 stops

$839ANA

Tue, Sep 8 - Tue, Sep 22

10:45 pm - 10:50 am

BKK

IAD

23h 05m

1 stop

1:20 pm - 9:10 pm

IAD

BKK

44h 50m

1 stop

$897AIR PREMIA

Tue, Jun 2 - Wed, Jun 3

10:45 pm - 10:50 am

BKK

IAD

23h 05m

1 stop

1:20 pm - 9:10 pm

IAD

BKK

44h 50m

1 stop

$905AIR PREMIA

Tue, May 12 - Wed, Jun 3

1:25 pm - 6:21 am

BKK

BWI

27h 56m

2 stops

6:11 pm - 12:10 pm

BWI

BKK

30h 59m

2 stops

$906Philippine Airlines

Tue, Sep 8 - Tue, Sep 22

9:50 am - 11:28 pm

BKK

DCA

24h 38m

2 stops

7:30 pm - 9:45 pm

DCA

BKK

39h 15m

2 stops

$1,015Delta

Sun, May 17 - Wed, Aug 12

Emirates flights from Thailand to Washington, D.C.

Our best Emirates deals on Thailand to Washington, D.C. flight tickets

Emirates

Mar 24

BKK9:30 amBangkok Suvarnabhumi

34h 30m

1 stop

IAD9:00 amWashington, D.C. Dulles Intl

Mar 31

IAD10:55 amWashington, D.C. Dulles Intl

39h 15m

1 stop

BKK1:10 pmBangkok Suvarnabhumi

$1,405

Emirates

Apr 1

BKK1:15 amBangkok Suvarnabhumi

42h 25m

1 stop

IAD8:40 amWashington, D.C. Dulles Intl

Apr 18

IAD10:55 amWashington, D.C. Dulles Intl

39h 15m

1 stop

BKK1:10 pmBangkok Suvarnabhumi

$1,406

Emirates

Apr 1

BKK2:15 amBangkok Suvarnabhumi

41h 25m

1 stop

IAD8:40 amWashington, D.C. Dulles Intl

Apr 18

IAD10:55 amWashington, D.C. Dulles Intl

39h 15m

1 stop

BKK1:10 pmBangkok Suvarnabhumi

$1,408

AIR PREMIA flights from Thailand to Washington, D.C.

Our best AIR PREMIA deals on Thailand to Washington, D.C. flight tickets

AIR PREMIA

May 12

BKK10:45 pmBangkok Suvarnabhumi

23h 05m

1 stop

IAD10:50 amWashington, D.C. Dulles Intl

Jun 3

IAD1:20 pmWashington, D.C. Dulles Intl

44h 50m

1 stop

BKK9:10 pmBangkok Suvarnabhumi

$905

AIR PREMIA

May 12

BKK10:45 pmBangkok Suvarnabhumi

23h 05m

1 stop

IAD10:50 amWashington, D.C. Dulles Intl

Jun 3

IAD1:20 pmWashington, D.C. Dulles Intl

44h 50m

1 stop

BKK9:10 pmBangkok Suvarnabhumi

$909

AIR PREMIA

May 12

BKK10:45 pmBangkok Suvarnabhumi

23h 05m

1 stop

IAD10:50 amWashington, D.C. Dulles Intl

Jun 3

IAD1:20 pmWashington, D.C. Dulles Intl

44h 50m

1 stop

BKK9:10 pmBangkok Suvarnabhumi

$910

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Wed 9/2

9:35 am-9:53 pm

2 stops47h 18m

Washington, D.C. Reagan-National

Sun 9/6

8:30 am-11:55 pm

2 stops28h 25m

$803

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Wed 9/2

9:35 am-10:26 pm

2 stops47h 51m

Washington, D.C. Reagan-National

Sun 9/6

8:30 am-11:55 pm

2 stops28h 25m

$804

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Tue 9/8

9:35 am-9:53 pm

2 stops47h 18m

Washington, D.C. Reagan-National

Tue 9/22

11:30 am-9:35 am

3 stops35h 05m

$806

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Tue 9/8

9:35 am-10:59 pm

2 stops48h 24m

Washington, D.C. Dulles Intl

Tue 9/22

8:30 pm-9:35 am

2 stops26h 05m

$806

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Wed 9/2

9:35 am-9:15 am

2 stops58h 40m

Washington, D.C. Reagan-National

Sun 9/6

8:30 am-11:55 pm

2 stops28h 25m

$809

Quickest round-trip

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Tue 9/8

7:00 am-9:53 pm

2 stops25h 53m

Washington, D.C. Reagan-National

Tue 9/22

6:00 pm-9:35 am

2 stops28h 35m

$839

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Tue 6/2

10:45 pm-10:50 am

1 stop23h 05m

Washington, D.C. Dulles Intl

Wed 6/3

1:20 pm-9:10 pm

1 stop44h 50m

$897

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Tue 5/12

10:45 pm-10:50 am

1 stop23h 05m

Washington, D.C. Dulles Intl

Wed 6/3

1:20 pm-9:10 pm

1 stop44h 50m

$905

BangkokBaltimore

BKK - BWI

BKKBWI

Bangkok Suvarnabhumi

Tue 9/8

1:25 pm-6:21 am

2 stops27h 56m

Baltimore/Washington

Tue 9/22

6:11 pm-12:10 pm

2 stops30h 59m

$906

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Sun 5/17

9:50 am-11:28 pm

2 stops24h 38m

Washington, D.C. Reagan-National

Wed 8/12

7:30 pm-9:45 pm

2 stops39h 15m

$1,015

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.

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

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

You are more likely to see cheaper flights to Washington, D.C. from Thailand when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $1,160 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Thailand for as low as $809 on momondo.

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

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

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

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

Fastest flight time	21h 25m
Direct flights	None

The fastest flight from Thailand to Washington, D.C. takes 21h 25m

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

Search flight deals

When did momondo last update prices for flights from Thailand to Washington, D.C.?
Prices for flights from Thailand to Washington, D.C. refresh daily.
How many operators does momondo search for flights from Thailand to Washington, D.C.?
As of March 2026, there are 5 operators available to choose from for flights from Thailand to Washington, D.C..
How old do you have to be to fly from Thailand to Washington, D.C.?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Thailand to Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The required travel and health documents for your Washington, D.C. trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C.. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Thailand to Washington, D.C.

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $1,040	Free Cancellation	Rating 7.4 9,456 reviews	Search United Airlines flights
Korean Air	PriceFrom $1,065	Free Cancellation	Rating 8.4 1,205 reviews	Search Korean Air flights
Delta	PriceFrom $1,078	Free Cancellation	Rating 7.9 8,315 reviews	Search Delta flights
ANA	PriceFrom $1,109	Free Cancellation	Rating 8.4 1,136 reviews	Search ANA flights
Qatar Airways	PriceFrom $1,142	Free Cancellation	Rating 7.4 3,733 reviews	Search Qatar Airways flights

Alexandria

National Harbor

Gettysburg

Arlington

Waldorf

Woodbridge

Laurel

Colonial Beach

Gaithersburg

Towson

Silver Spring

Fredericksburg

Rockville

Tysons

Manassas

Linthicum Heights

Springfield

Bethesda

Fairfax

College Park

Why use momondo?

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

Finding the right flight to Washington, D.C. from Thailand is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

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.?

Once you have performed a search for Thailand to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Thailand to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Fly into one of these airports located in Washington, D.C.

Washington, D.C. Reagan-National Airport

Washington, D.C. Dulles Intl Airport

Cheap flights from Thailand to Washington, D.C. from $525

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 6/1. 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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Emirates flights from Thailand to Washington, D.C.

Our best Emirates deals on Thailand to Washington, D.C. flight tickets

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How to get the cheapest flight ticket from Thailand to Washington, D.C.

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

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

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

What airlines fly to Washington, D.C.?

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

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

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

Fastest flight time

Direct flights

Best airlines flying from Thailand to Washington, D.C.

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

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

Why use momondo?

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

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Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.

Fly your favorite airline to Washington, D.C.

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