How long does it take to fly to Washington, D.C. Reagan-National Airport?

Flight times from Thailand to Washington, D.C. Reagan-National 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 29h 50m on average. Another popular route from Thailand to Washington, D.C. Reagan-National Airport is flying from Chiang Mai to Washington, D.C. Dulles Intl Airport, which will take roughly 35h 55m. Keep in mind that layovers or delays could extend your travel time.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Thailand to Washington, D.C. Reagan-National Airport.

What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

The necessary travel and health documents for your Washington, D.C. Reagan-National Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$625 Cheap Flights from Thailand to Washington, D.C. Reagan-National 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.

9:10 am - 9:53 pmBKK Bangkok Suvarnabhumi-DCA Washington, D.C. Reagan-National

24h 43m2 stops Tokyo Haneda San Francisco

7:00 am - 5:10 amDCA Washington, D.C. Reagan-National-BKK Bangkok Suvarnabhumi

34h 10m2 stops Chicago O'Hare Intl Tokyo Haneda

$1,032United Airlines

Mon, Feb 1 - Sun, Feb 14

9:10 am - 9:53 pmBKK Bangkok Suvarnabhumi-DCA Washington, D.C. Reagan-National

24h 43m2 stops Tokyo Haneda San Francisco

1:00 pm - 11:30 amDCA Washington, D.C. Reagan-National-BKK Bangkok Suvarnabhumi

34h 30m3 stops Chicago O'Hare Intl Los Angeles Los Angeles Hong Kong Intl

$1,032United Airlines

Mon, Feb 1 - Sun, Feb 14

7:10 am - 4:56 pmBKK Bangkok Suvarnabhumi-DCA Washington, D.C. Reagan-National

45h 46m2 stops Tokyo Narita San Francisco

8:30 am - 11:30 amDCA Washington, D.C. Reagan-National-BKK Bangkok Suvarnabhumi

39h 00m3 stops Chicago O'Hare Intl Los Angeles Los Angeles Hong Kong Intl

$1,033United Airlines

Fri, Feb 5 - Sun, Feb 7

7:10 am - 4:56 pmBKK Bangkok Suvarnabhumi-DCA Washington, D.C. Reagan-National

45h 46m2 stops Tokyo Narita San Francisco

2:00 pm - 11:30 amDCA Washington, D.C. Reagan-National-BKK Bangkok Suvarnabhumi

33h 30m3 stops Chicago O'Hare Intl Los Angeles Los Angeles Hong Kong Intl

$1,034United Airlines

Fri, Feb 5 - Sun, Feb 7

7:10 am - 9:53 pmBKK Bangkok Suvarnabhumi-DCA Washington, D.C. Reagan-National

26h 43m2 stops Tokyo Narita San Francisco

11:30 am - 5:10 amDCA Washington, D.C. Reagan-National-BKK Bangkok Suvarnabhumi

29h 40m2 stops Chicago O'Hare Intl Tokyo Haneda

$1,034United Airlines

Fri, Feb 5 - Sun, Feb 7

7:00 am - 9:05 pmBKK Bangkok Suvarnabhumi-DCA Washington, D.C. Reagan-National

25h 05m2 stops Tokyo Narita Houston George Bush Intcntl

1:04 pm - 9:35 amDCA Washington, D.C. Reagan-National-BKK Bangkok Suvarnabhumi

33h 31m3 stops Chicago O'Hare Intl Los Angeles Los Angeles Hong Kong Intl

$1,035United Airlines

Tue, Sep 15 - Tue, Sep 22

7:00 am - 9:05 pmBKK Bangkok Suvarnabhumi-DCA Washington, D.C. Reagan-National

25h 05m2 stops Tokyo Narita Houston George Bush Intcntl

2:05 pm - 4:35 amDCA Washington, D.C. Reagan-National-BKK Bangkok Suvarnabhumi

27h 30m2 stops Chicago O'Hare Intl Tokyo Haneda

$1,035United Airlines

Thu, Sep 24 - Mon, Sep 28

7:10 am - 9:53 pmBKK Bangkok Suvarnabhumi-DCA Washington, D.C. Reagan-National

26h 43m2 stops Tokyo Narita San Francisco

7:00 pm - 11:30 amDCA Washington, D.C. Reagan-National-BKK Bangkok Suvarnabhumi

52h 30m3 stops Chicago O'Hare Intl Los Angeles Los Angeles Hong Kong Intl

$1,035United Airlines

Fri, Feb 5 - Sun, Feb 7

7:15 pm - 6:57 pmBKK Bangkok Suvarnabhumi-DCA Washington, D.C. Reagan-National

35h 42m2 stops Manama Bahrain Intl New York John F Kennedy Intl

1:30 pm - 9:20 amDCA Washington, D.C. Reagan-National-BKK Bangkok Suvarnabhumi

55h 50m2 stops New York John F Kennedy Intl Manama Bahrain Intl

$1,043Gulf Air

Thu, Dec 3 - Sat, Jan 30

8:25 am - 12:19 pmBKK Bangkok Suvarnabhumi-DCA Washington, D.C. Reagan-National

39h 54m2 stops Vancouver Intl Ottawa

11:05 am - 6:30 amDCA Washington, D.C. Reagan-National-BKK Bangkok Suvarnabhumi

55h 25m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

$1,076Air Canada

Thu, Dec 3 - Mon, Jan 25

Recent one-way flight deals from Thailand to Washington, D.C.

Enter your travel dates to find the best prices.

11:25 am - 5:59 pmBKK Bangkok Suvarnabhumi-DCA Washington, D.C. Reagan-National

42h 34m3 stops Guangzhou Baiyun Los Angeles Los Angeles San Francisco

$625Multiple Airlines

Mon, Dec 7

10:55 am - 8:00 pmBKK Bangkok Suvarnabhumi-DCA Washington, D.C. Reagan-National

44h 05m2 stops Taipei City Taiwan Taoyuan Intl Los Angeles Los Angeles

$626Multiple Airlines

Tue, Oct 27

10:50 am - 8:00 pmBKK Bangkok Suvarnabhumi-DCA Washington, D.C. Reagan-National

44h 10m2 stops Taipei City Taiwan Taoyuan Intl Los Angeles Los Angeles

$626Multiple Airlines

Sat, Sep 5

1:20 pm - 8:00 pmBKK Bangkok Suvarnabhumi-DCA Washington, D.C. Reagan-National

41h 40m2 stops Taipei City Taiwan Taoyuan Intl Los Angeles Los Angeles

$629Multiple Airlines

Tue, Oct 13

1:20 pm - 8:00 pmBKK Bangkok Suvarnabhumi-DCA Washington, D.C. Reagan-National

41h 40m2 stops Taipei City Taiwan Taoyuan Intl Los Angeles Los Angeles

$629Multiple Airlines

Wed, Sep 16

10:50 am - 8:00 pmBKK Bangkok Suvarnabhumi-DCA Washington, D.C. Reagan-National

44h 10m2 stops Taipei City Taiwan Taoyuan Intl Los Angeles Los Angeles

$629Multiple Airlines

Thu, Oct 15

1:20 pm - 8:00 pmBKK Bangkok Suvarnabhumi-DCA Washington, D.C. Reagan-National

41h 40m2 stops Taipei City Taiwan Taoyuan Intl Los Angeles Los Angeles

$630Multiple Airlines

Sat, Sep 5

2:35 am - 8:00 pmBKK Bangkok Suvarnabhumi-DCA Washington, D.C. Reagan-National

53h 25m2 stops Taipei City Taiwan Taoyuan Intl Los Angeles Los Angeles

$630Multiple Airlines

Sun, Dec 6

9:35 am - 6:09 pmBKK Bangkok Suvarnabhumi-DCA Washington, D.C. Reagan-National

43h 34m3 stops Tokyo Haneda Los Angeles Los Angeles Chicago O'Hare Intl

$894United Airlines

Mon, Oct 5

9:35 am - 6:09 pmBKK Bangkok Suvarnabhumi-DCA Washington, D.C. Reagan-National

43h 34m3 stops Tokyo Haneda Los Angeles Los Angeles Chicago O'Hare Intl

$894United Airlines

Tue, Oct 6

Recent last minute flight deals from Thailand to Washington, D.C.

Enter your travel dates to find the best prices.

7:00 am - 10:30 pmBKK Bangkok Suvarnabhumi-DCA Washington, D.C. Reagan-National

26h 30m2 stops Tokyo Narita San Francisco

5:10 pm - 9:35 amDCA Washington, D.C. Reagan-National-BKK Bangkok Suvarnabhumi

29h 25m3 stops Chicago O'Hare Intl Los Angeles Los Angeles Hong Kong Intl

$1,195United Airlines

Thu, Aug 20 - Sun, Sep 13

7:00 am - 10:30 pmBKK Bangkok Suvarnabhumi-DCA Washington, D.C. Reagan-National

26h 30m2 stops Tokyo Narita San Francisco

7:46 am - 4:35 amDCA Washington, D.C. Reagan-National-BKK Bangkok Suvarnabhumi

33h 49m2 stops Chicago O'Hare Intl Tokyo Haneda

$1,196United Airlines

Thu, Aug 20 - Sun, Sep 13

7:00 am - 10:30 pmBKK Bangkok Suvarnabhumi-DCA Washington, D.C. Reagan-National

26h 30m2 stops Tokyo Narita San Francisco

8:30 am - 10:50 pmDCA Washington, D.C. Reagan-National-BKK Bangkok Suvarnabhumi

26h 20m2 stops Chicago O'Hare Intl Tokyo Narita

$1,353United Airlines

Sat, Aug 22 - Wed, Dec 9

7:00 am - 10:30 pmBKK Bangkok Suvarnabhumi-DCA Washington, D.C. Reagan-National

26h 30m2 stops Tokyo Narita San Francisco

8:30 am - 10:50 pmDCA Washington, D.C. Reagan-National-BKK Bangkok Suvarnabhumi

26h 20m2 stops Chicago O'Hare Intl Tokyo Narita

$1,353United Airlines

Sun, Aug 23 - Wed, Dec 9

7:00 am - 10:13 pmBKK Bangkok Suvarnabhumi-DCA Washington, D.C. Reagan-National

26h 13m2 stops Tokyo Narita Houston George Bush Intcntl

8:30 am - 10:50 pmDCA Washington, D.C. Reagan-National-BKK Bangkok Suvarnabhumi

26h 20m2 stops Chicago O'Hare Intl Tokyo Narita

$1,353United Airlines

Fri, Aug 21 - Wed, Dec 9

9:40 pm - 8:55 pmBKK Bangkok Suvarnabhumi-DCA Washington, D.C. Reagan-National

34h 15m2 stops Tokyo Haneda Los Angeles Los Angeles

11:40 am - 5:05 amDCA Washington, D.C. Reagan-National-BKK Bangkok Suvarnabhumi

29h 25m2 stops Chicago O'Hare Intl Tokyo Haneda

$1,455American Airlines

Sat, Aug 22 - Mon, Dec 14

9:40 pm - 4:29 pmBKK Bangkok Suvarnabhumi-DCA Washington, D.C. Reagan-National

29h 49m2 stops Tokyo Haneda Los Angeles Los Angeles

11:40 am - 5:05 amDCA Washington, D.C. Reagan-National-BKK Bangkok Suvarnabhumi

29h 25m2 stops Chicago O'Hare Intl Tokyo Haneda

$1,455American Airlines

Sat, Aug 22 - Thu, Dec 10

9:40 pm - 11:58 pmBKK Bangkok Suvarnabhumi-DCA Washington, D.C. Reagan-National

37h 18m2 stops Tokyo Haneda Dallas/Fort Worth

2:54 pm - 5:05 amDCA Washington, D.C. Reagan-National-BKK Bangkok Suvarnabhumi

26h 11m2 stops Chicago O'Hare Intl Tokyo Haneda

$1,455American Airlines

Fri, Aug 21 - Mon, Dec 14

9:40 pm - 10:58 pmBKK Bangkok Suvarnabhumi-DCA Washington, D.C. Reagan-National

36h 18m2 stops Tokyo Haneda Dallas/Fort Worth

10:11 am - 5:05 amDCA Washington, D.C. Reagan-National-BKK Bangkok Suvarnabhumi

30h 54m2 stops Chicago O'Hare Intl Tokyo Haneda

$1,455American Airlines

Sun, Aug 23 - Thu, Dec 10

9:40 pm - 10:58 pmBKK Bangkok Suvarnabhumi-DCA Washington, D.C. Reagan-National

36h 18m2 stops Tokyo Haneda Dallas/Fort Worth

12:53 pm - 5:05 amDCA Washington, D.C. Reagan-National-BKK Bangkok Suvarnabhumi

28h 12m2 stops Chicago O'Hare Intl Tokyo Haneda

$1,455American Airlines

Sun, Aug 23 - Mon, Dec 14

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

United Airlines flights from Thailand to Washington, D.C. Reagan-National Airport

Our best United Airlines deals on Thailand to Washington, D.C. Reagan-National Airport flight tickets

United Airlines

Feb 1

BKK9:10 amBangkok Suvarnabhumi

24h 43m

2 stops

DCA9:53 pmWashington, D.C. Reagan-National

Feb 14

DCA7:00 amWashington, D.C. Reagan-National

34h 10m

2 stops

BKK5:10 amBangkok Suvarnabhumi

$1,032

United Airlines

Feb 5

BKK7:10 amBangkok Suvarnabhumi

45h 46m

2 stops

DCA4:56 pmWashington, D.C. Reagan-National

Feb 7

DCA8:30 amWashington, D.C. Reagan-National

39h 00m

3 stops

BKK11:30 amBangkok Suvarnabhumi

$1,033

United Airlines

Feb 5

BKK7:10 amBangkok Suvarnabhumi

26h 43m

2 stops

DCA9:53 pmWashington, D.C. Reagan-National

Feb 7

DCA11:30 amWashington, D.C. Reagan-National

29h 40m

2 stops

BKK5:10 amBangkok Suvarnabhumi

$1,034

Korean Air flights from Thailand to Washington, D.C. Reagan-National Airport

Our best Korean Air deals on Thailand to Washington, D.C. Reagan-National Airport flight tickets

Korean Air

Jan 26

CNX12:15 amChiang Mai

53h 50m

2 stops

DCA6:05 pmWashington, D.C. Reagan-National

Jan 31

DCA8:00 amWashington, D.C. Reagan-National

50h 55m

2 stops

CNX10:55 pmChiang Mai

$1,574

Korean Air

Jan 26

CNX12:15 amChiang Mai

53h 50m

2 stops

DCA6:05 pmWashington, D.C. Reagan-National

Jan 31

DCA8:00 amWashington, D.C. Reagan-National

50h 55m

2 stops

CNX10:55 pmChiang Mai

$1,580

Korean Air

Sep 22

CNX9:45 pmChiang Mai

26h 02m

2 stops

DCA12:47 pmWashington, D.C. Reagan-National

Sep 26

DCA4:00 pmWashington, D.C. Reagan-National

41h 45m

2 stops

CNX8:45 pmChiang Mai

$1,701

momondo Fare Finder

Use the filters below to find and compare flights from Thailand to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BangkokWashington, D.C.

BKK Bangkok Suvarnabhumi - DCA Washington, D.C. Reagan-National

BKKDCA

Bangkok Suvarnabhumi

Mon 2/1

9:10 am-9:53 pm

2 stops24h 43m

Washington, D.C. Reagan-National

Sun 2/14

7:00 am-5:10 am

2 stops34h 10m

$1,032

BangkokWashington, D.C.

BKK Bangkok Suvarnabhumi - DCA Washington, D.C. Reagan-National

BKKDCA

Bangkok Suvarnabhumi

Mon 2/1

9:10 am-9:53 pm

2 stops24h 43m

Washington, D.C. Reagan-National

Sun 2/14

1:00 pm-11:30 am

3 stops34h 30m

$1,032

BangkokWashington, D.C.

BKK Bangkok Suvarnabhumi - DCA Washington, D.C. Reagan-National

BKKDCA

Bangkok Suvarnabhumi

Fri 2/5

7:10 am-4:56 pm

2 stops45h 46m

Washington, D.C. Reagan-National

Sun 2/7

8:30 am-11:30 am

3 stops39h 00m

$1,033

BangkokWashington, D.C.

BKK Bangkok Suvarnabhumi - DCA Washington, D.C. Reagan-National

BKKDCA

Bangkok Suvarnabhumi

Fri 2/5

7:10 am-4:56 pm

2 stops45h 46m

Washington, D.C. Reagan-National

Sun 2/7

2:00 pm-11:30 am

3 stops33h 30m

$1,034

BangkokWashington, D.C.

BKK Bangkok Suvarnabhumi - DCA Washington, D.C. Reagan-National

BKKDCA

Bangkok Suvarnabhumi

Fri 2/5

7:10 am-9:53 pm

2 stops26h 43m

Washington, D.C. Reagan-National

Sun 2/7

11:30 am-5:10 am

2 stops29h 40m

$1,034

BangkokWashington, D.C.

BKK Bangkok Suvarnabhumi - DCA Washington, D.C. Reagan-National

BKKDCA

Bangkok Suvarnabhumi

Tue 9/15

7:00 am-9:05 pm

2 stops25h 05m

Washington, D.C. Reagan-National

Tue 9/22

1:04 pm-9:35 am

3 stops33h 31m

$1,035

Quickest round-trip

BangkokWashington, D.C.

BKK Bangkok Suvarnabhumi - DCA Washington, D.C. Reagan-National

BKKDCA

Bangkok Suvarnabhumi

Thu 9/24

7:00 am-9:05 pm

2 stops25h 05m

Washington, D.C. Reagan-National

Mon 9/28

2:05 pm-4:35 am

2 stops27h 30m

$1,035

BangkokWashington, D.C.

BKK Bangkok Suvarnabhumi - DCA Washington, D.C. Reagan-National

BKKDCA

Bangkok Suvarnabhumi

Fri 2/5

7:10 am-9:53 pm

2 stops26h 43m

Washington, D.C. Reagan-National

Sun 2/7

7:00 pm-11:30 am

3 stops52h 30m

$1,035

BangkokWashington, D.C.

BKK Bangkok Suvarnabhumi - DCA Washington, D.C. Reagan-National

BKKDCA

Bangkok Suvarnabhumi

Thu 12/3

7:15 pm-6:57 pm

2 stops35h 42m

Washington, D.C. Reagan-National

Sat 1/30

1:30 pm-9:20 am

2 stops55h 50m

$1,043

BangkokWashington, D.C.

BKK Bangkok Suvarnabhumi - DCA Washington, D.C. Reagan-National

BKKDCA

Bangkok Suvarnabhumi

Thu 12/3

8:25 am-12:19 pm

2 stops39h 54m

Washington, D.C. Reagan-National

Mon 1/25

11:05 am-6:30 am

2 stops55h 25m

$1,076

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. Reagan-National 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

Airlines

Other information

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

Gulf Air, Air Canada, and STARLUX Airlines are the most popular carriers operating from Thailand to Washington, D.C. Reagan-National

Cheap Thailand to Washington, D.C. Reagan-National Airport flight deals and tips

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

Best Price Found	$625
Fastest flight time	23h 59m
Direct flights	None

The best one-way flight to Washington, D.C. Reagan-National Airport from Thailand in the past 72 hours is $625. The best round-trip flight deal from Thailand to Washington, D.C. Reagan-National Airport found on momondo in the last 72 hours is $1,032.

The fastest flight from Thailand to Washington, D.C. Reagan-National Airport takes 23h 59m

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

Search flight deals

Frequently asked questions about flying from Thailand to Washington, D.C. Reagan-National Airport

When did momondo last update prices for flights from Thailand to Washington, D.C. Reagan-National Airport?
Prices for flights from Thailand to Washington, D.C. Reagan-National Airport refresh daily.
How many operators does momondo search for flights from Thailand to Washington, D.C. Reagan-National Airport?
The number of operators available for flights from Thailand to Washington, D.C. Reagan-National Airport is 1 as of August 2026.
How old do you have to be to fly from Thailand to Washington, D.C. Reagan-National Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Thailand to Washington, D.C. Reagan-National Airport.
What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?
The necessary travel and health documents for your Washington, D.C. Reagan-National Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Thailand to Washington, D.C. Reagan-National Airport

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $1,044	Free Cancellation	Rating 7.4 10,100 reviews		Search United Airlines flights

Alexandria

National Harbor

Arlington

Gettysburg

Waldorf

Laurel

Woodbridge

Fredericksburg

Gaithersburg

Linthicum Heights

Rockville

Silver Spring

Towson

Springfield

Colonial Beach

Fairfax

Edgewood

Tysons

College Park

Glen Burnie

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?

Flights from Thailand to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Thailand to Washington, D.C.?

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 Washington, D.C. from Thailand.

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.

An easier way to manage your Washington, D.C. Reagan-National Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Thu 9/17

Thu 9/24

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Washington, D.C.

Popular cities

Other flights from Thailand

Other flights to Washington, D.C.

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular cities in the United States

Flights to Newark Airportfrom $82

Flights to New York John F Kennedy Intl Airportfrom $144

Flights to New York LaGuardia Airportfrom $129

Flights to Dallas/Fort Worth Airportfrom $56

Flights to Washington, D.C. Dulles Intl Airportfrom $59

Flights to Chicago O'Hare Intl Airportfrom $50

Flights to Orlando Airportfrom $55

Flights to Chicago Midway Airport

Flights to Dallas Love Field Airport

Flights to Chicago Greater Rockford Airport

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 12/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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

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

Recent one-way flight deals from Thailand to Washington, D.C.

Recent last minute flight deals from Thailand to Washington, D.C.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

United Airlines flights from Thailand to Washington, D.C. Reagan-National Airport

Our best United Airlines deals on Thailand to Washington, D.C. Reagan-National Airport flight tickets

Korean Air flights from Thailand to Washington, D.C. Reagan-National Airport

Our best Korean Air deals on Thailand to Washington, D.C. Reagan-National Airport flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Thailand to Washington, D.C. Reagan-National 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. Reagan-National Airport

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

How long does it take to fly to Washington, D.C. Reagan-National Airport?

Cheap Thailand to Washington, D.C. Reagan-National Airport flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Thailand to Washington, D.C. Reagan-National Airport

Best airlines flying from Thailand to Washington, D.C. Reagan-National Airport

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

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

Why use momondo?

An easier way to manage your Washington, D.C. Reagan-National Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Washington, D.C.

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

Thailand flight routes

According to popular flight searches on momondo this year

Washington, D.C. Reagan-National Airport flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Washington, D.C.

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Washington, D.C.

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

Complete your trip to Washington, D.C.

Explore popular destinations other users love

According to popular flight searches on momondo this year