What are the cheapest airlines to fly from Thailand to Washington, D.C. one-way?

To fly one-way, consider booking your trip with Korean Air, which is currently one of the cheapest options available, starting at $595. Delta flights start at $611 while deals on Air Canada start at $635 one-way.

What are the most popular routes from Thailand to Washington, D.C.?

The most popular flight routes from Thailand to Washington, D.C. are Bangkok Suvarnabhumi - Washington, D.C. Dulles Intl, Bangkok Suvarnabhumi - Washington, D.C. Reagan-National and Bangkok Suvarnabhumi - Baltimore/Washington.

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

To save up to 9% on this flight, we recommend booking at least 51 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Thailand to Washington, D.C. from $1,042 1-2 weeks out and tickets from $1,162 for flights departing within the next 72 hours.

What is the cheapest month to fly from Thailand to Washington, D.C.?

Due to multiple factors, expect to potentially pay more when booking in August. For low rates, November can be a great choice for travel to Washington, D.C.. Flights to Washington, D.C. from Thailand in November are about $1,182 on average during November, but can be found for as low as $1,026.

Can I find deals for flights from Thailand to Washington, D.C. that include hotel bookings?

Yes. In addition to deals on Thailand to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Thailand to Washington, D.C.?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Thailand to Washington, D.C..

Can I find deals for business class flights from Thailand to Washington, D.C.?

Yes. Cheapflights offers flight deals from Thailand to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$1,118+ Flights from Thailand to Washington, D.C.

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Cheap flight deals from Thailand to Washington, D.C.

Round-trip from	$1,031 (SAUDIA)
One-way from	$487 (Kiwi.com)

From Thailand to Washington, D.C. (WAS)

Search Deals

One-way flight from Thailand to Washington, D.C. (WAS)

Search Deals

Find flight deals from Thailand to Washington, D.C.

Cheapest flights from Thailand to Washington, D.C.
Explore the most affordable flight options available from Thailand to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

Sat 4/123:25 pmBKK - IAD

2 stops35h 20mSAUDIA

Sat 4/267:10 pmIAD - BKK

1 stop79h 35mSAUDIA

Deal found 1/21

$1,031

Tue 4/89:35 amBKK - IAD

2 stops49h 24mUnited Airlines

Tue 4/226:30 amIAD - BKK

2 stops35h 05mUnited Airlines

Deal found 1/20

$1,044

Mon 2/32:00 pmBKK - IAD

2 stops36h 35mAustrian Airlines

Fri 2/216:00 pmIAD - BKK

1 stop30h 20mAustrian Airlines

Deal found 1/20

$1,049

Wed 2/1212:15 amCNX - IAD

1 stop21h 35mKorean Air

Fri 2/2111:50 amIAD - CNX

1 stop23h 15mKorean Air

Deal found 1/21

$1,056

Tue 11/187:10 amBKK - DCA

2 stops25h 33mUnited Airlines

Sat 11/299:00 amDCA - BKK

2 stops27h 05mUnited Airlines

Deal found 1/21

$1,056

Fri 4/41:15 amBKK - IAD

1 stop25h 25mAir China

Tue 4/226:00 pmIAD - BKK

3 stops36h 05mAir China

Deal found 1/21

$1,060

Wed 2/1211:15 pmBKK - IAD

1 stop22h 35mKorean Air

Wed 7/161:40 pmIAD - BKK

1 stop22h 55mKorean Air

Deal found 1/20

$1,078

Tue 10/711:00 pmBKK - IAD

1 stop31h 25mLufthansa

Mon 12/85:50 pmIAD - BKK

2 stops33h 40mLufthansa

Deal found 1/19

$1,083

Mon 3/249:30 pmBKK - IAD

1 stop24h 20mMultiple Airlines

Sun 4/2711:15 amIAD - BKK

1 stop33h 25mMultiple Airlines

Deal found 1/21

$1,087

Tue 3/251:00 amBKK - IAD

2 stops26h 23mDelta

Wed 4/167:30 amIAD - BKK

2 stops27h 15mDelta

Deal found 1/20

$1,093

Sun 3/231:00 amBKK - DCA

2 stops29h 19mDelta

Sun 4/277:40 amDCA - BKK

2 stops27h 05mDelta

Deal found 1/21

$1,099

Sun 6/112:50 pmBKK - IAD

1 stop38h 25mSWISS

Sun 6/88:45 pmIAD - BKK

1 stop26h 00mSWISS

Deal found 1/21

$1,106

Best flights from Thailand to Washington, D.C.
Discover carefully curated flight deals from Thailand to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 21, 2025.

Sat 4/123:25 pmBKK - IAD

2 stops35h 20mSAUDIA

Sat 4/267:10 pmIAD - BKK

1 stop79h 35mSAUDIA

Deal found 1/21

$1,031

Tue 4/89:35 amBKK - IAD

2 stops49h 24mUnited Airlines

Tue 4/226:30 amIAD - BKK

2 stops35h 05mUnited Airlines

Deal found 1/20

$1,044

Mon 2/32:00 pmBKK - IAD

2 stops36h 35mAustrian Airlines

Fri 2/216:00 pmIAD - BKK

1 stop30h 20mAustrian Airlines

Deal found 1/20

$1,049

Wed 2/1212:15 amCNX - IAD

1 stop21h 35mKorean Air

Fri 2/2111:50 amIAD - CNX

1 stop23h 15mKorean Air

Deal found 1/21

$1,056

Fri 4/41:15 amBKK - IAD

1 stop25h 25mAir China

Tue 4/226:00 pmIAD - BKK

3 stops36h 05mAir China

Deal found 1/21

$1,060

Mon 3/249:30 pmBKK - IAD

1 stop24h 20mMultiple Airlines

Sun 4/2711:15 amIAD - BKK

1 stop33h 25mMultiple Airlines

Deal found 1/21

$1,087

Tue 3/251:00 amBKK - IAD

2 stops26h 23mDelta

Wed 4/167:30 amIAD - BKK

2 stops27h 15mDelta

Deal found 1/20

$1,093

Sun 6/112:50 pmBKK - IAD

1 stop38h 25mSWISS

Sun 6/88:45 pmIAD - BKK

1 stop26h 00mSWISS

Deal found 1/21

$1,106

Sun 6/111:00 pmBKK - IAD

1 stop31h 25mLufthansa

Sun 6/810:20 pmIAD - BKK

2 stops29h 30mLufthansa

Deal found 1/21

$1,117

Mon 4/79:05 amBKK - IAD

1 stop42h 05mQatar Airways

Thu 4/179:05 pmIAD - BKK

1 stop22h 10mQatar Airways

Deal found 1/20

$1,256

Sat 4/123:50 pmBKK - IAD

2 stops38h 55mIndiGo

Sat 4/2612:35 pmIAD - BKK

2 stops40h 35mIndiGo

Deal found 1/21

$1,272

Fri 6/67:35 amBKK - IAD

2 stops24h 25mAir Canada

Sun 7/135:30 pmIAD - BKK

2 stops40h 15mAir Canada

Deal found 1/21

$1,274

Last-minute flights from Thailand to Washington, D.C.
Discover last-minute flight deals from Thailand to Washington, D.C.. Data last updated January 21, 2025 and is based on user searches.

Sun 1/261:00 amBKK - IAD

2 stops32h 05mDelta

Fri 2/146:00 amIAD - BKK

2 stops43h 15mDelta

Deal found 1/21

$1,396

Sun 1/261:00 amBKK - IAD

2 stops35h 22mKorean Air

Fri 2/1411:50 amIAD - BKK

1 stop24h 55mKorean Air

Deal found 1/21

$1,471

Mon 1/278:35 amBKK - IAD

2 stops38h 55mMultiple Airlines

Fri 2/1410:00 amIAD - BKK

2 stops25h 25mMultiple Airlines

Deal found 1/21

$1,246

Mon 1/273:20 pmBKK - IAD

1 stop35h 25mSAUDIA

Fri 2/146:10 pmIAD - BKK

1 stop31h 30mSAUDIA

Deal found 1/21

$1,331

Mon 1/277:40 amDMK - IAD

2 stops35h 10mMultiple Airlines

Fri 2/1410:00 amIAD - DMK

2 stops29h 50mMultiple Airlines

Deal found 1/21

$1,638

Tue 1/282:00 amBKK - IAD

1 stop25h 55mAmerican Airlines

Fri 2/148:05 pmIAD - BKK

1 stop35h 20mAmerican Airlines

Deal found 1/21

$1,460

Tue 1/281:35 amBKK - IAD

2 stops29h 30mEthiopian Air

Wed 2/58:40 pmIAD - BKK

2 stops27h 50mEthiopian Air

Deal found 1/21

$4,242

Wed 1/298:35 amBKK - IAD

2 stops38h 55mAir Canada

Fri 2/142:35 pmIAD - BKK

2 stops51h 40mAir Canada

Deal found 1/21

$1,240

Wed 1/2910:35 pmBKK - IAD

1 stop44h 15mAir India

Fri 2/1410:00 amIAD - BKK

1 stop22h 00mAir India

Deal found 1/21

$1,398

Wed 1/2911:50 pmBKK - IAD

1 stop26h 45mAustrian Airlines

Tue 2/46:00 pmIAD - BKK

1 stop30h 20mAustrian Airlines

Deal found 1/21

$4,315

Fri 1/313:10 amBKK - IAD

1 stop41h 00mEmirates

Sun 8/310:55 amIAD - BKK

2 stops38h 00mEmirates

Deal found 1/20

$1,756

Fri 1/312:00 amBKK - DCA

2 stops31h 44mQatar Airways

Sun 8/34:59 pmDCA - BKK

2 stops27h 06mQatar Airways

Deal found 1/20

$1,938

One-way flights from Thailand to Washington, D.C.
Search for one-way flight options from Thailand to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated January 21, 2025.

Sat 3/1510:55 pmBKK - BWI

3 stops54h 51mMultiple Airlines

Deal found 1/21

$487

Mon 2/109:40 amBKK - IAD

1 stop36h 10mKorean Air

Deal found 1/20

$595

Wed 3/121:00 amBKK - DCA

2 stops33h 40mDelta

Deal found 1/20

$611

Wed 3/121:00 amBKK - IAD

2 stops40h 19mDelta

Deal found 1/20

$611

Wed 2/2610:50 amDMK - IAD

2 stops39h 55mMultiple Airlines

Deal found 1/21

$629

Mon 2/103:05 pmBKK - DCA

3 stops33h 01mMultiple Airlines

Deal found 1/21

$630

Tue 1/288:35 amBKK - IAD

2 stops42h 38mAir Canada

Deal found 1/21

$635

Tue 4/1510:25 amBKK - IAD

2 stops31h 50mMultiple Airlines

Deal found 1/19

$664

Thu 4/1711:15 pmCNX - IAD

2 stops41h 48mDelta

Deal found 1/21

$667

Mon 6/301:50 amBKK - IAD

1 stop24h 55mSAUDIA

Deal found 1/20

$667

Thu 2/133:35 pmBKK - IAD

2 stops39h 55mIndiGo

Deal found 1/20

$671

Fri 2/147:30 pmBKK - IAD

1 stop30h 40mAir China

Deal found 1/20

$672

Find flights from Thailand to Washington, D.C. within your budget

Fly from

Fly to

Route

Depart

Return

Price

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Sat 4/12

3:25 pm-3:45 pm

2 stops35h 20m

Washington, D.C. Dulles Intl

Sat 4/26

7:10 pm-1:45 pm

1 stop79h 35m

$1,031

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Tue 4/8

9:35 am-11:59 pm

2 stops49h 24m

Washington, D.C. Dulles Intl

Tue 4/22

6:30 am-4:35 am

2 stops35h 05m

$1,044

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Mon 2/3

2:00 pm-2:35 pm

2 stops36h 35m

Washington, D.C. Dulles Intl

Fri 2/21

6:00 pm-12:20 pm

1 stop30h 20m

$1,049

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Wed 2/12

12:15 am-9:50 am

1 stop21h 35m

Washington, D.C. Dulles Intl

Fri 2/21

11:50 am-11:05 pm

1 stop23h 15m

$1,056

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Fri 4/4

1:15 am-3:40 pm

1 stop25h 25m

Washington, D.C. Dulles Intl

Tue 4/22

6:00 pm-5:05 pm

3 stops36h 05m

$1,060

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Wed 2/12

11:15 pm-9:50 am

1 stop22h 35m

Washington, D.C. Dulles Intl

Wed 7/16

1:40 pm-11:35 pm

1 stop22h 55m

$1,078

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Mon 3/24

9:30 pm-10:50 am

1 stop24h 20m

Washington, D.C. Dulles Intl

Sun 4/27

11:15 am-7:40 am

1 stop33h 25m

$1,087

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Tue 3/25

1:00 am-4:23 pm

2 stops26h 23m

Washington, D.C. Dulles Intl

Wed 4/16

7:30 am-9:45 pm

2 stops27h 15m

$1,093

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Sun 3/23

1:00 am-7:19 pm

2 stops29h 19m

Washington, D.C. Reagan-National

Sun 4/27

7:40 am-9:45 pm

2 stops27h 05m

$1,099

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Sun 6/1

12:50 pm-4:15 pm

1 stop38h 25m

Washington, D.C. Dulles Intl

Sun 6/8

8:45 pm-9:45 am

1 stop26h 00m

$1,106

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 60 results

...

Best time to book a flight from Thailand to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Thailand with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Thailand to Washington, D.C.

Get recent, data-driven insights about flights from Thailand to Washington, D.C. including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Thailand to Washington, D.C.?

Currently, August is the cheapest month in which you can book a flight from Thailand to Washington, D.C. (average of $241). Flying from Thailand to Washington, D.C. in March is currently the most expensive (average of $290). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from TH to WAS?

When flying from Thailand to Washington, D.C., the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Washington, D.C. by month

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Washington, D.C.

Get a feel of what it's like to fly with Delta, Air China and Cathay Pacific from Thailand to Washington, D.C. by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Korean Air

8.5

Very good

1,039 reviews

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Korean Air

8.5

Very good

1,039 reviews

Korean Air

8.5

Very good

1,039 reviews

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

ANA

8.4

Very good

852 reviews

Korean Air

8.5

Very good

1,039 reviews

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Japan Airlines

8.3

Very good

1,449 reviews

Korean Air

8.5

Very good

1,039 reviews

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Asiana Airlines

8.3

Very good

466 reviews

Korean Air

8.5

Very good

1,039 reviews

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Singapore Airlines

8.1

Very good

1,328 reviews

Korean Air

8.5

Very good

1,039 reviews

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Related info for your journey

What are the cheapest airlines to fly from Thailand to Washington, D.C. one-way?
To fly one-way, consider booking your trip with Korean Air, which is currently one of the cheapest options available, starting at $595. Delta flights start at $611 while deals on Air Canada start at $635 one-way.
What are the most popular routes from Thailand to Washington, D.C.?
The most popular flight routes from Thailand to Washington, D.C. are Bangkok Suvarnabhumi - Washington, D.C. Dulles Intl, Bangkok Suvarnabhumi - Washington, D.C. Reagan-National and Bangkok Suvarnabhumi - Baltimore/Washington.
Can I find deals for flights from Thailand to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on Thailand to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Thailand to Washington, D.C.?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Thailand to Washington, D.C..
Can I find deals for business class flights from Thailand to Washington, D.C.?
Yes. Cheapflights offers flight deals from Thailand to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Thailand to Washington, D.C.?
Currently, August is the cheapest month in which you can book a flight from Thailand to Washington, D.C. (average of $241). Flying from Thailand to Washington, D.C. in March is currently the most expensive (average of $290). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Fairfax

Arlington

Alexandria

Springfield

Silver Spring

Rockville

Tysons

Gaithersburg

Fredericksburg

Linthicum Heights

Laurel

Falls Church

Greenbelt

Easton

Oxon Hill

Herndon

Woodbridge

Bowie

Reston

National Harbor

Browse thousands of different options on Cheapflights for your next trip

Top 7 airlines flying from Thailand to Washington, D.C.

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$854	Average$1,284	FlexibilityNo cancel fee	On-timeN/A
ANA	Cheapest$922	Average$1,239	FlexibilityNo cancel fee	On-time80%
United Airlines	Cheapest$936	Average$1,049	FlexibilityNo cancel fee	On-time69%
Korean Air	Cheapest$1,035	Average$1,213	FlexibilityNo cancel fee	On-time81%
American Airlines	Cheapest$1,114	Average$1,287	FlexibilityNo cancel fee	On-time71%
Qatar Airways	Cheapest$1,217	Average$1,465	FlexibilityNo cancel fee	On-time68%
Emirates	Cheapest$1,302	Average$1,469	FlexibilityNo cancel fee	On-time75%

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$487+ Cheap flights from Thailand to Washington, D.C. (WAS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/15. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Thailand to Washington, D.C. with Cheapflights

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Cheap flight deals from Thailand to Washington, D.C.

Round-trip from

One-way from

Find flight deals from Thailand to Washington, D.C.

Cheapest flights from Thailand to Washington, D.C.Explore the most affordable flight options available from Thailand to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

Explore the most affordable flight options available from Thailand to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

Find flights from Thailand to Washington, D.C. within your budget

Best time to book a flight from Thailand to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Thailand with our price prediction graph.

Travel insights for flights from Thailand to Washington, D.C.

Get recent, data-driven insights about flights from Thailand to Washington, D.C. including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Thailand to Washington, D.C.?

What is the cheapest time of day to fly from TH to WAS?

Find hourly flight availability from Thailand to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 21, 2025.

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

Reviews of airlines servicing Washington, D.C.

Get a feel of what it's like to fly with Delta, Air China and Cathay Pacific from Thailand to Washington, D.C. by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Thailand to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines to fly from Thailand to Washington, D.C. one-way?

What are the most popular routes from Thailand to Washington, D.C.?

Can I find deals for flights from Thailand to Washington, D.C. that include hotel bookings?

How can I find direct flights from Thailand to Washington, D.C.?

Can I find deals for business class flights from Thailand to Washington, D.C.?

What is the cheapest month to book a flight from Thailand to Washington, D.C.?

Traveling to a place near Thailand?

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Alternative routes for Thailand to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.

Top 7 airlines flying from Thailand to Washington, D.C.

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Cheapest flights from Thailand to Washington, D.C.
Explore the most affordable flight options available from Thailand to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.