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

Etihad Airways, Air China, and SAUDIA are the most popular carriers operating from Thailand to District of Columbia

What airlines fly to District of Columbia?

Qatar Airways, Korean Air and Delta 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 34% of people opting to fly with this airline when traveling to District of Columbia. Keep in mind that there are 6 different airlines that fly to District of Columbia on a routine basis, so you have a few additional options to choose from.

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

On average, it takes 21h 30m to fly from Thailand to District of Columbia if you fly out of Chiang Mai (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 Bangkok and into Washington, D.C. Dulles Intl Airport, then the flight time is around 24h 08m.

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 6 as of October 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.

$412 Cheap Flights from Thailand to District of Columbia in 2026/27

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.

12:20 am - 7:30 pmBKK Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl

30h 10m1 stop Beijing Daxing Intl

11:35 pm - 9:25 pmIAD Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi

33h 50m1 stop Incheon Intl

$768Multiple Airlines

Thu, Oct 29 - Fri, Nov 13

10:55 pm - 8:35 pmBKK Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl

33h 40m1 stop Incheon Intl

12:35 am - 9:25 pmIAD Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi

33h 50m1 stop Incheon Intl

$783AIR PREMIA

Thu, Mar 4 - Wed, Mar 24

9:10 am - 3:40 pmBKK Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl

42h 30m1 stop Tokyo Haneda

8:23 am - 5:10 amIAD Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi

32h 47m2 stops Chicago O'Hare Intl Tokyo Haneda

$1,040United Airlines

Sun, Nov 22 - Thu, Nov 26

9:10 am - 9:10 amBKK Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl

36h 00m1 stop Tokyo Haneda

1:15 pm - 11:30 amIAD Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi

34h 15m3 stops Chicago O'Hare Intl Los Angeles Hong Kong Intl

$1,040United Airlines

Sun, Nov 22 - Thu, Nov 26

2:20 pm - 9:10 amBKK Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl

30h 50m1 stop Tokyo Haneda

1:00 pm - 5:10 amIAD Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi

28h 10m2 stops Chicago O'Hare Intl Tokyo Haneda

$1,050ANA

Wed, Dec 23 - Mon, Jan 11

9:10 am - 9:10 amBKK Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl

36h 00m1 stop Tokyo Haneda

8:15 am - 5:10 amIAD Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi

32h 55m2 stops Chicago O'Hare Intl Tokyo Haneda

$1,050ANA

Tue, Nov 24 - Mon, Jan 11

5:15 pm - 10:15 pmBKK Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl

40h 00m1 stop Taipei City Taiwan Taoyuan Intl

1:15 am - 10:40 amIAD Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi

22h 25m1 stop Taipei City Taiwan Taoyuan Intl

$1,161Thai Airways

Thu, Apr 1 - Sat, May 1

8:10 am - 8:55 pmBKK Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl

24h 45m1 stop Taipei City Taiwan Taoyuan Intl

11:55 pm - 10:50 amIAD Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi

22h 55m1 stop Taipei City Taiwan Taoyuan Intl

$1,165Thai Airways

Wed, Dec 23 - Mon, Jan 11

6:55 pm - 3:55 pmBKK Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl

33h 00m1 stop Doha Hamad Intl

9:00 pm - 1:25 pmIAD Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi

29h 25m1 stop Doha Hamad Intl

$1,212Qatar Airways

Mon, Mar 8 - Mon, Aug 9

8:35 pm - 3:55 pmBKK Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl

31h 20m1 stop Doha Hamad Intl

9:00 pm - 6:20 amIAD Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi

22h 20m1 stop Doha Hamad Intl

$1,218Qatar Airways

Mon, Mar 8 - Mon, Aug 9

Recent last minute flight deals from Thailand to District of Columbia

Enter your travel dates to find the best prices.

3:20 pm - 3:45 pmBKK Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl

35h 25m1 stop Riyadh King Khaled Intl

6:50 pm - 1:40 pmIAD Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi

31h 50m1 stop Riyadh King Khaled Intl

$885SAUDIA

Sun, Oct 25 - Fri, Oct 30

1:35 am - 11:59 pmBKK Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl

33h 24m2 stops Incheon Intl Seattle/Tacoma Intl

12:35 am - 9:25 pmIAD Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi

33h 50m1 stop Incheon Intl

$1,023Multiple Airlines

Fri, Oct 23 - Fri, Oct 30

3:45 pm - 8:49 amBKK Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl

28h 04m3 stops Hong Kong Intl Los Angeles Chicago O'Hare Intl

5:56 pm - 11:30 amIAD Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi

30h 34m2 stops Los Angeles Hong Kong Intl

$1,057United Airlines

Sat, Oct 24 - Sat, Oct 31

4:55 pm - 11:52 amBKK Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl

29h 57m3 stops Hong Kong Intl Los Angeles Chicago O'Hare Intl

10:10 pm - 11:30 amIAD Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi

50h 20m2 stops Los Angeles Hong Kong Intl

$1,064United Airlines

Sun, Oct 25 - Fri, Oct 30

3:45 pm - 4:33 pmBKK Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl

35h 48m3 stops Hong Kong Intl Los Angeles Chicago O'Hare Intl

12:20 pm - 11:30 amIAD Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi

35h 10m2 stops Tokyo Haneda Hong Kong Intl

$1,082United Airlines

Sat, Oct 24 - Mon, Dec 7

7:00 am - 10:07 pmBKK Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl

26h 07m2 stops Tokyo Narita San Francisco

8:15 am - 5:10 amIAD Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi

32h 55m2 stops Chicago O'Hare Intl Tokyo Haneda

$1,087United Airlines

Sat, Oct 24 - Mon, Dec 7

3:15 pm - 10:00 amBKK Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl

29h 45m1 stop Abu Dhabi Zayed Intl

12:35 am - 9:25 pmIAD Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi

33h 50m1 stop Incheon Intl

$1,101Multiple Airlines

Sat, Oct 24 - Fri, Oct 30

2:55 am - 10:00 amBKK Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl

42h 05m1 stop Abu Dhabi Zayed Intl

3:25 pm - 5:45 pmIAD Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi

39h 20m1 stop Abu Dhabi Zayed Intl

$1,123Etihad Airways

Sat, Oct 24 - Fri, Oct 30

7:00 am - 9:13 pmBKK Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl

25h 13m2 stops Tokyo Narita Newark

11:10 am - 5:10 amIAD Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi

30h 00m1 stop Tokyo Haneda

$1,228ANA

Sat, Oct 24 - Mon, Dec 7

3:00 am - 11:59 pmBKK Bangkok Suvarnabhumi-IAD Washington, D.C. Dulles Intl

31h 59m2 stops Doha Hamad Intl Seattle/Tacoma Intl

11:30 am - 7:25 pmIAD Washington, D.C. Dulles Intl-BKK Bangkok Suvarnabhumi

20h 55m1 stop Doha Hamad Intl

$1,354Qatar Airways

Sat, Oct 24 - Fri, Oct 30

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United Airlines flights from Thailand to District of Columbia

Our best United Airlines deals on Thailand to District of Columbia flight tickets

United Airlines

Nov 22

BKK9:10 amBangkok Suvarnabhumi

36h 00m

1 stop

IAD9:10 amWashington, D.C. Dulles Intl

Nov 26

IAD1:15 pmWashington, D.C. Dulles Intl

34h 15m

3 stops

BKK11:30 amBangkok Suvarnabhumi

$1,040

United Airlines

Nov 22

BKK9:10 amBangkok Suvarnabhumi

34h 02m

2 stops

IAD7:12 amWashington, D.C. Dulles Intl

Nov 26

IAD8:23 amWashington, D.C. Dulles Intl

39h 07m

3 stops

BKK11:30 amBangkok Suvarnabhumi

$1,046

United Airlines

Nov 12

BKK7:10 amBangkok Suvarnabhumi

37h 39m

2 stops

IAD8:49 amWashington, D.C. Dulles Intl

Nov 16

IAD6:39 amWashington, D.C. Dulles Intl

40h 51m

2 stops

BKK11:30 amBangkok Suvarnabhumi

$1,047

Air China flights from Thailand to District of Columbia

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

Air China

Nov 23

BKK7:30 pmBangkok Suvarnabhumi

35h 00m

1 stop

IAD6:30 pmWashington, D.C. Dulles Intl

Dec 8

IAD10:00 pmWashington, D.C. Dulles Intl

32h 05m

1 stop

BKK6:05 pmBangkok Suvarnabhumi

$1,041

Air China

Oct 29

BKK1:30 amBangkok Suvarnabhumi

29h 00m

1 stop

IAD7:30 pmWashington, D.C. Dulles Intl

Nov 13

IAD10:00 pmWashington, D.C. Dulles Intl

27h 40m

1 stop

BKK1:40 pmBangkok Suvarnabhumi

$1,050

Air China

Oct 29

BKK2:20 amBangkok Suvarnabhumi

28h 10m

2 stops

IAD7:30 pmWashington, D.C. Dulles Intl

Nov 13

IAD10:00 pmWashington, D.C. Dulles Intl

27h 40m

1 stop

BKK1:40 pmBangkok Suvarnabhumi

$1,167

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 Bangkok Suvarnabhumi - IAD Washington, D.C. Dulles Intl

BKKIAD

Bangkok Suvarnabhumi

Thu 10/29

12:20 am-7:30 pm

1 stop30h 10m

Washington, D.C. Dulles Intl

Fri 11/13

11:35 pm-9:25 pm

1 stop33h 50m

$768

BangkokWashington, D.C.

BKK Bangkok Suvarnabhumi - IAD Washington, D.C. Dulles Intl

BKKIAD

Bangkok Suvarnabhumi

Thu 3/4

10:55 pm-8:35 pm

1 stop33h 40m

Washington, D.C. Dulles Intl

Wed 3/24

12:35 am-9:25 pm

1 stop33h 50m

$783

BangkokWashington, D.C.

BKK Bangkok Suvarnabhumi - IAD Washington, D.C. Dulles Intl

BKKIAD

Bangkok Suvarnabhumi

Sun 11/22

9:10 am-3:40 pm

1 stop42h 30m

Washington, D.C. Dulles Intl

Thu 11/26

8:23 am-5:10 am

2 stops32h 47m

$1,040

BangkokWashington, D.C.

BKK Bangkok Suvarnabhumi - IAD Washington, D.C. Dulles Intl

BKKIAD

Bangkok Suvarnabhumi

Sun 11/22

9:10 am-9:10 am

1 stop36h 00m

Washington, D.C. Dulles Intl

Thu 11/26

1:15 pm-11:30 am

3 stops34h 15m

$1,040

BangkokWashington, D.C.

BKK Bangkok Suvarnabhumi - IAD Washington, D.C. Dulles Intl

BKKIAD

Bangkok Suvarnabhumi

Wed 12/23

2:20 pm-9:10 am

1 stop30h 50m

Washington, D.C. Dulles Intl

Mon 1/11

1:00 pm-5:10 am

2 stops28h 10m

$1,050

BangkokWashington, D.C.

BKK Bangkok Suvarnabhumi - IAD Washington, D.C. Dulles Intl

BKKIAD

Bangkok Suvarnabhumi

Tue 11/24

9:10 am-9:10 am

1 stop36h 00m

Washington, D.C. Dulles Intl

Mon 1/11

8:15 am-5:10 am

2 stops32h 55m

$1,050

BangkokWashington, D.C.

BKK Bangkok Suvarnabhumi - IAD Washington, D.C. Dulles Intl

BKKIAD

Bangkok Suvarnabhumi

Thu 4/1

5:15 pm-10:15 pm

1 stop40h 00m

Washington, D.C. Dulles Intl

Sat 5/1

1:15 am-10:40 am

1 stop22h 25m

$1,161

Quickest round-trip

BangkokWashington, D.C.

BKK Bangkok Suvarnabhumi - IAD Washington, D.C. Dulles Intl

BKKIAD

Bangkok Suvarnabhumi

Wed 12/23

8:10 am-8:55 pm

1 stop24h 45m

Washington, D.C. Dulles Intl

Mon 1/11

11:55 pm-10:50 am

1 stop22h 55m

$1,165

BangkokWashington, D.C.

BKK Bangkok Suvarnabhumi - IAD Washington, D.C. Dulles Intl

BKKIAD

Bangkok Suvarnabhumi

Mon 3/8

6:55 pm-3:55 pm

1 stop33h 00m

Washington, D.C. Dulles Intl

Mon 8/9

9:00 pm-1:25 pm

1 stop29h 25m

$1,212

BangkokWashington, D.C.

BKK Bangkok Suvarnabhumi - IAD Washington, D.C. Dulles Intl

BKKIAD

Bangkok Suvarnabhumi

Mon 3/8

8:35 pm-3:55 pm

1 stop31h 20m

Washington, D.C. Dulles Intl

Mon 8/9

9:00 pm-6:20 am

1 stop22h 20m

$1,218

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, July 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 $1,054. If you don’t want to visit District of Columbia in July, then you should wait until September to fly from Thailand, when ticket prices are also cheap, with an average price of $1,068.

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 $1,158 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 $1,032 on momondo.

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

You could potentially save up to 31% 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

Best Price Found	$412
Fastest flight time	21h 30m
Direct flights	None

The best one-way flight to District of Columbia from Thailand in the past 72 hours is $412. The best round-trip flight deal from Thailand to District of Columbia found on momondo in the last 72 hours is $768.

The fastest flight from Thailand to District of Columbia takes 21h 30m

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 6 as of October 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
Thai Airways	PriceFrom $768	Free Cancellation	Rating 7.9 430 reviews	Search Thai Airways flights
United Airlines	PriceFrom $956	Free Cancellation	Rating 7.3 10,388 reviews	Search United Airlines flights
ANA	PriceFrom $1,028	Free Cancellation	Rating 8.3 1,327 reviews	Search ANA flights
Korean Air	PriceFrom $1,105	Free Cancellation	Rating 8.4 1,218 reviews	Search Korean Air flights
Delta	PriceFrom $1,112	Free Cancellation	Rating 7.8 8,650 reviews	Search Delta flights
Qatar Airways	PriceFrom $1,132	Free Cancellation	Rating 7.3 3,709 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.