How long is the flight from Thailand to District of Columbia?

On average, it takes 25h 05m to fly from Thailand to District of Columbia if you fly out of Bangkok (the most popular airport in Thailand) and into Washington, D.C. Dulles Intl Airport (the most popular airport in District of Columbia). If you’re flying out of Chiang Mai and into Washington, D.C. Dulles Intl Airport, then the flight time is around 47h 20m.

What airlines fly to District of Columbia?

Qatar Airways, Korean Air and United Airlines are the top three most popular airlines that fly to District of Columbia from Thailand according to our data. Qatar Airways is the first choice among our users, with 38% of people opting to fly with this airline when traveling to District of Columbia. Keep in mind that there are 5 different airlines that fly to District of Columbia on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Thailand to District of Columbia?

AIR PREMIA and Qatar Airways are the most popular carriers operating from Thailand to District of Columbia

When did momondo last update prices for flights from Thailand to District of Columbia?

Prices for flights from Thailand to District of Columbia refresh daily.

How many operators does momondo search for flights from Thailand to District of Columbia?

The number of operators available for flights from Thailand to District of Columbia is 5 as of June 2026.

How old do you have to be to fly from Thailand to District of Columbia?

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 District of Columbia.

What documentation or ID do you need to fly to District of Columbia?

The required travel and health documents for your District of Columbia 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 District of Columbia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$615 Cheap Flights from Thailand to District of Columbia in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Thailand to District of Columbia

Round-trip

One-way

Last minute

Recent round-trip flight deals from Thailand to District of Columbia

Enter your travel dates to find the best prices.

9:10 am - 9:10 am

BKK

IAD

36h 00m

1 stop

10:34 pm - 12:20 am

IAD

BKK

37h 46m

2 stops

$879United Airlines

Wed, Nov 18 - Tue, Nov 24

7:00 am - 5:25 am

BKK

IAD

33h 25m

2 stops

12:15 pm - 4:35 am

IAD

BKK

29h 20m

1 stop

$882United Airlines

Mon, Sep 21 - Tue, Oct 20

7:00 am - 5:25 am

BKK

IAD

33h 25m

2 stops

8:20 am - 4:35 am

IAD

BKK

33h 15m

2 stops

$884United Airlines

Mon, Sep 21 - Mon, Oct 5

3:25 pm - 3:45 pm

BKK

IAD

35h 20m

1 stop

6:50 pm - 1:45 pm

IAD

BKK

31h 55m

1 stop

$910SAUDIA

Sun, Sep 20 - Sun, Sep 27

6:25 pm - 11:05 am

DMK

IAD

27h 40m

2 stops

3:10 pm - 4:35 am

IAD

DMK

26h 25m

2 stops

$1,212Multiple Airlines

Mon, Sep 7 - Mon, Sep 21

5:20 pm - 5:40 am

CNX

IAD

47h 20m

2 stops

5:57 pm - 4:20 pm

IAD

CNX

35h 23m

2 stops

$1,270STARLUX Airlines

Thu, Sep 10 - Sun, Sep 13

2:00 pm - 11:35 am

DMK

IAD

32h 35m

2 stops

3:10 pm - 4:40 am

IAD

DMK

26h 30m

2 stops

$1,368Multiple Airlines

Wed, Jul 1 - Wed, Jul 29

5:20 pm - 5:40 am

CNX

IAD

47h 20m

2 stops

5:57 pm - 4:20 pm

IAD

CNX

35h 23m

2 stops

$1,383STARLUX Airlines

Thu, Sep 10 - Sun, Sep 13

9:45 pm - 11:05 am

CNX

IAD

24h 20m

1 stop

1:15 pm - 8:45 pm

IAD

CNX

44h 30m

1 stop

$1,611Korean Air

Thu, Sep 10 - Sun, Sep 13

9:45 pm - 11:05 am

CNX

IAD

24h 20m

1 stop

1:15 pm - 8:45 pm

IAD

CNX

44h 30m

1 stop

$1,618Korean Air

Thu, Sep 10 - Sun, Sep 13

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ANA flights from Thailand to District of Columbia

Our best ANA deals on Thailand to District of Columbia flight tickets

ANA

Jul 7

BKK7:00 amBangkok Suvarnabhumi

27h 19m

2 stops

IAD11:19 pmWashington, D.C. Dulles Intl

Jul 28

IAD3:15 pmWashington, D.C. Dulles Intl

31h 20m

1 stop

BKK9:35 amBangkok Suvarnabhumi

$1,010

ANA

Sep 27

BKK7:00 amBangkok Suvarnabhumi

26h 59m

2 stops

IAD10:59 pmWashington, D.C. Dulles Intl

Oct 16

IAD10:13 pmWashington, D.C. Dulles Intl

48h 22m

1 stop

BKK9:35 amBangkok Suvarnabhumi

$1,018

ANA

Jun 22

BKK9:35 pmBangkok Suvarnabhumi

29h 15m

1 stop

IAD3:50 pmWashington, D.C. Dulles Intl

Jul 5

IAD8:15 amWashington, D.C. Dulles Intl

33h 20m

2 stops

BKK4:35 amBangkok Suvarnabhumi

$1,105

Air Canada flights from Thailand to District of Columbia

Our best Air Canada deals on Thailand to District of Columbia flight tickets

Air Canada

Jul 8

BKK7:05 amBangkok Suvarnabhumi

34h 17m

1 stop

IAD6:22 amWashington, D.C. Dulles Intl

Jul 29

IAD9:45 amWashington, D.C. Dulles Intl

25h 10m

2 stops

BKK9:55 pmBangkok Suvarnabhumi

$1,067

Air Canada

Jul 2

BKK7:45 amBangkok Suvarnabhumi

23h 39m

2 stops

IAD8:24 pmWashington, D.C. Dulles Intl

Aug 2

IAD5:34 pmWashington, D.C. Dulles Intl

48h 31m

2 stops

BKK5:05 amBangkok Suvarnabhumi

$1,100

Air Canada

Jun 29

BKK7:45 amBangkok Suvarnabhumi

25h 03m

2 stops

DCA9:48 pmWashington, D.C. Reagan-National

Jul 12

DCA12:40 pmWashington, D.C. Reagan-National

53h 25m

2 stops

BKK5:05 amBangkok Suvarnabhumi

$1,166

momondo Fare Finder

Use the filters below to find and compare flights from Thailand to District of Columbia 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 11/18

9:10 am-9:10 am

1 stop36h 00m

Washington, D.C. Dulles Intl

Tue 11/24

10:34 pm-12:20 am

2 stops37h 46m

$879

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Mon 9/21

7:00 am-5:25 am

2 stops33h 25m

Washington, D.C. Dulles Intl

Tue 10/20

12:15 pm-4:35 am

1 stop29h 20m

$882

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Mon 9/21

7:00 am-5:25 am

2 stops33h 25m

Washington, D.C. Dulles Intl

Mon 10/5

8:20 am-4:35 am

2 stops33h 15m

$884

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Sun 9/20

3:25 pm-3:45 pm

1 stop35h 20m

Washington, D.C. Dulles Intl

Sun 9/27

6:50 pm-1:45 pm

1 stop31h 55m

$910

Quickest round-trip

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

Mon 9/7

6:25 pm-11:05 am

2 stops27h 40m

Washington, D.C. Dulles Intl

Mon 9/21

3:10 pm-4:35 am

2 stops26h 25m

$1,212

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Thu 9/10

5:20 pm-5:40 am

2 stops47h 20m

Washington, D.C. Dulles Intl

Sun 9/13

5:57 pm-4:20 pm

2 stops35h 23m

$1,270

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

Wed 7/1

2:00 pm-11:35 am

2 stops32h 35m

Washington, D.C. Dulles Intl

Wed 7/29

3:10 pm-4:40 am

2 stops26h 30m

$1,368

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Thu 9/10

5:20 pm-5:40 am

2 stops47h 20m

Washington, D.C. Dulles Intl

Sun 9/13

5:57 pm-4:20 pm

2 stops35h 23m

$1,383

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Thu 9/10

9:45 pm-11:05 am

1 stop24h 20m

Washington, D.C. Dulles Intl

Sun 9/13

1:15 pm-8:45 pm

1 stop44h 30m

$1,611

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Thu 9/10

9:45 pm-11:05 am

1 stop24h 20m

Washington, D.C. Dulles Intl

Sun 9/13

1:15 pm-8:45 pm

1 stop44h 30m

$1,618

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 District of Columbia

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 District of Columbia?

In general, April is the cheapest month to fly from Thailand to District of Columbia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $472. If you don’t want to visit District of Columbia in April, then you should wait until July to fly from Thailand, when ticket prices are also cheap, with an average price of $687.

How far in advance should I book a flight from Thailand to District of Columbia?

You are more likely to see cheaper flights to District of Columbia from Thailand when booking weeks ahead of your departure date. In general, you can expect to find flights to District of Columbia for around $1,150 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to District of Columbia from Thailand for as low as $809 on momondo.

Can stopping save me money on Thailand to District of Columbia flights?

You could potentially save up to 42% on your flight if you consider stops on a Thailand to District of Columbia flight.

Cheap Thailand to District of Columbia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Thailand to District of Columbia

Fastest flight time	23h 26m
Direct flights	None

The fastest flight from Thailand to District of Columbia takes 23h 26m

There are no direct flights from Thailand to District of Columbia. There are no popular flight routes from Thailand to District of Columbia.

Search flight deals

Frequently asked questions about flying from Thailand to District of Columbia

When did momondo last update prices for flights from Thailand to District of Columbia?
Prices for flights from Thailand to District of Columbia refresh daily.
How many operators does momondo search for flights from Thailand to District of Columbia?
The number of operators available for flights from Thailand to District of Columbia is 5 as of June 2026.
How old do you have to be to fly from Thailand to District of Columbia?
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 District of Columbia.
What documentation or ID do you need to fly to District of Columbia?
The required travel and health documents for your District of Columbia 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 District of Columbia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Thailand to District of Columbia

Compare and see reviews for airlines that fly from Thailand to District of Columbia with momondo

Airline	Rating	Free Cancellation	Price
ANA	PriceFrom $1,028	Free Cancellation	Rating 8.3 1,247 reviews	Search ANA flights
United Airlines	PriceFrom $1,040	Free Cancellation	Rating 7.4 9,865 reviews	Search United Airlines flights
Korean Air	PriceFrom $1,070	Free Cancellation	Rating 8.4 1,218 reviews	Search Korean Air flights
Delta	PriceFrom $1,112	Free Cancellation	Rating 7.8 8,420 reviews	Search Delta flights
Qatar Airways	PriceFrom $1,142	Free Cancellation	Rating 7.3 3,727 reviews	Search Qatar Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from Thailand to District of Columbia?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Thailand to District of Columbia. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Thailand to District of Columbia with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Thailand to District of Columbia flights to just show those with flexible booking policies.

How can momondo help me find flights from Thailand to District of Columbia?

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 District of Columbia from Thailand.

I’m not ready to book a flight from Thailand to District of Columbia right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to District of Columbia from Thailand. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.