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Washington, D.C.

$519+ 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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — WAS
feb. 26 — mar. 51
jue. 2/26
jue. 3/5
1 adult, Economy
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Cheap 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 enero 27, 2026.

This FlightHub deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/67:05 am
BKK
-
IAD
2 stops35h 45m
Air Canada
mié. 5/1312:39 pm
IAD
-
BKK
2 stops29h 26m
Air Canada
Deal found 1/26$963
This Booking.com deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/307:15 am
BKK
-
DCA
2 stops39h 48m
Air Canada
mié. 10/146:59 am
DCA
-
BKK
2 stops29h 11m
Air Canada
Deal found 1/26$970
This SmartFares deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/22:15 am
BKK
-
DCA
2 stops29h 50m
Multiple Airlines
lun. 5/119:59 am
DCA
-
BKK
2 stops37h 56m
Multiple Airlines
Deal found 1/25$979
This FlightHub deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/307:15 am
BKK
-
IAD
2 stops39h 28m
Air Canada
mié. 10/149:55 am
IAD
-
BKK
2 stops27h 00m
Air Canada
Deal found 1/26$992
This Trip.com deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/242:15 am
BKK
-
DCA
2 stops29h 50m
Multiple Airlines
mié. 3/49:59 am
DCA
-
BKK
2 stops37h 31m
Multiple Airlines
Deal found 1/25$994
This Trip.com deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/102:15 am
BKK
-
DCA
2 stops28h 50m
Multiple Airlines
mié. 3/189:59 am
DCA
-
BKK
2 stops50h 41m
Multiple Airlines
Deal found 1/25$1,020
This SmartFares deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 3/62:15 am
BKK
-
DCA
2 stops27h 44m
Multiple Airlines
mar. 3/109:59 am
DCA
-
BKK
2 stops37h 46m
Multiple Airlines
Deal found 1/25$1,030
This SmartFares deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/1911:50 am
CNX
-
IAD
2 stops28h 50m
Multiple Airlines
jue. 4/27:00 am
IAD
-
CNX
2 stops40h 25m
Multiple Airlines
Deal found 1/25$1,032
This Kiwi.com deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/1110:50 am
BKK
-
IAD
2 stops34h 15m
Multiple Airlines
mié. 3/183:35 pm
IAD
-
BKK
1 stop28h 35m
Multiple Airlines
Deal found 1/25$1,034
This KAYAK deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/1712:45 pm
BKK
-
DCA
2 stops43h 20m
Multiple Airlines
mar. 3/176:59 pm
DCA
-
BKK
2 stops29h 11m
Multiple Airlines
Deal found 1/24$1,035
This Mytrip deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/309:05 pm
BKK
-
IAD
2 stops31h 40m
Multiple Airlines
lun. 4/273:10 pm
IAD
-
BKK
1 stop21h 40m
Multiple Airlines
Deal found 1/26$1,035
This Kiwi.com deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/1810:50 am
BKK
-
IAD
2 stops34h 15m
Multiple Airlines
mié. 4/153:10 pm
IAD
-
BKK
1 stop21h 40m
Multiple Airlines
Deal found 1/25$1,043

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

Keep the following information in mind while searching for Thailand to Washington, D.C. flight deals. Data was last updated enero 27, 2026.

Round-trip from

$963
(FlightHub)

One-way from

$519
(Trip.com)

Popular in

August

Cheapest in

October

Average price

$1,275
From Thailand to Washington, D.C. (WAS)
Search Deals
One-way flight from Thailand to Washington, D.C. (WAS)
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Thailand to Washington, D.C. that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated enero 27, 2026.
Use the filters below to find and compare flights from Thailand to Washington, D.C. that are best for you.

Fly from

Thailand

Fly to

Washington, D.C.

Route

Depart

Return

Price

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

mié. 3/18

11:50 am-8:00 pm

2 stops43h 10m

Washington, D.C. Reagan-National

jue. 4/2

6:41 pm-10:25 am

2 stops28h 44m

$1,066

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

jue. 3/19

11:50 am-8:00 pm

2 stops43h 10m

Washington, D.C. Reagan-National

jue. 4/2

6:41 pm-10:25 am

2 stops28h 44m

$1,066

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

lun. 3/30

9:05 pm-3:40 pm

2 stops29h 35m

Washington, D.C. Dulles Intl

lun. 4/27

3:10 pm-2:35 am

2 stops24h 25m

$1,086

Chiang MaiBaltimore

CNX - BWI

CNXBWI

Chiang Mai

jue. 3/19

11:50 am-6:04 pm

2 stops41h 14m

Baltimore/Washington

jue. 4/2

7:04 pm-10:25 am

2 stops28h 21m

$1,095

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

lun. 2/16

8:10 pm-3:55 pm

2 stops31h 45m

Washington, D.C. Dulles Intl

dom. 3/22

3:35 pm-2:30 am

2 stops23h 55m

$1,123

BangkokBaltimore

BKK - BWI

BKKBWI

Bangkok Suvarnabhumi

mié. 5/6

10:50 am-12:20 pm

2 stops36h 30m

Baltimore/Washington

mié. 5/13

1:45 pm-9:45 am

2 stops33h 00m

$1,130

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

vie. 4/10

9:10 pm-3:40 pm

2 stops29h 30m

Washington, D.C. Dulles Intl

jue. 4/23

3:10 pm-2:40 am

2 stops24h 30m

$1,133

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

mié. 3/18

9:10 am-5:21 am

2 stops31h 11m

Washington, D.C. Dulles Intl

mié. 4/15

8:20 am-9:35 am

3 stops38h 15m

$1,137

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

mar. 3/3

9:10 am-11:56 pm

2 stops26h 46m

Washington, D.C. Dulles Intl

lun. 5/11

6:15 am-4:35 am

2 stops35h 20m

$1,137

Chiang MaiWashington, D.C.

CNX - DCA

CNXDCA

Chiang Mai

mar. 2/24

11:50 am-5:59 pm

2 stops42h 09m

Washington, D.C. Reagan-National

mar. 3/3

9:59 am-10:35 am

2 stops36h 36m

$1,140

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 60 results
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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.

Cheapflights Insights

Everything you need to know about your flight from Thailand to Washington, D.C.

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

Currently, June is the cheapest month in which you can book a flight from Thailand to Washington, D.C. (average of $934). Flying from Thailand to Washington, D.C. in January is currently the most expensive (average of $1,130). 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?

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 enero 27, 2026.

When flying from Thailand to Washington, D.C., the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 45% versus a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Thailand to Washington, D.C.. Price data was last updated on March 30, 2025.

Travelers seeking maximum savings on their Thailand to Washington, D.C. flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington, D.C.. Reviews last updated enero 27, 2026.
Read through reviews of airlines operating flights from Thailand to Washington, D.C., such as ANA, Delta, and Qatar Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
ANA
8.4
Very good
1,078 reviews

Crew

8.7

Comfort

8.2

Food

7.7

Overall

8.4

Boarding

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Lindsey,Jan 2026

CGK - HND

All of the flight attendants were very nice & attentive. The bathrooms were kept very clean. We have no complaints!
ANA
8.4
Very good
1,078 reviews
ANA
8.4
Very good
1,078 reviews

Crew

8.7

Comfort

8.2

Food

7.7

Overall

8.4

Boarding

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Lindsey,Jan 2026

CGK - HND

All of the flight attendants were very nice & attentive. The bathrooms were kept very clean. We have no complaints!
Delta
7.9
Good
8,121 reviews
ANA
8.4
Very good
1,078 reviews

Crew

8.7

Comfort

8.2

Food

7.7

Overall

8.4

Boarding

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Lindsey,Jan 2026

CGK - HND

All of the flight attendants were very nice & attentive. The bathrooms were kept very clean. We have no complaints!
Qatar Airways
7.4
Good
3,731 reviews
ANA
8.4
Very good
1,078 reviews

Crew

8.7

Comfort

8.2

Food

7.7

Overall

8.4

Boarding

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Lindsey,Jan 2026

CGK - HND

All of the flight attendants were very nice & attentive. The bathrooms were kept very clean. We have no complaints!

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.

  • How long is the flight from Thailand to Washington, D.C.?

    United Airlines, EVA Air, and Qatar Airways can get you from Thailand to Washington, D.C. in just under 25h 55m. Your travel time can differ by up to 16h 14m. The distance from Thailand to Washington, D.C. is about 8792 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    To fly one-way, consider booking your trip with IndiGo, which is currently one of the cheapest options available, starting at $471. SAUDIA flights start at $484 while deals on Turkish Airlines start at $539 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, June is the cheapest month in which you can book a flight from Thailand to Washington, D.C. (average of $934). Flying from Thailand to Washington, D.C. in January is currently the most expensive (average of $1,130). 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

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Fredericksburg
Hanover
Linthicum Heights
Rockville
Laurel
Towson
Manassas
Largo
Bowie
McLean
Clinton
Upper Marlboro

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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.
Hyderabad to Dulles Intl flights
Mumbai to Dulles Intl flights
Hyderabad to Reagan-National flights
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Mumbai to Reagan-National flights
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Suvarnabhumi to Reagan-National flights
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Kathmandu to Dulles Intl flights
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Dhaka to Reagan-National flights
Narita to Reagan-National flights
Kathmandu to Reagan-National flights
Islamabad to Dulles Intl flights
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Karachi to Dulles Intl flights
Kuala Lumpur Intl to Dulles Intl flights
Lahore to Reagan-National flights
Manila to Reagan-National flights
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Ho Chi Minh City to Dulles Intl flights
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Okinawa to Dulles Intl flights
Hong Kong to Dulles Intl flights
Capital to Dulles Intl flights
Colombo to Dulles Intl flights
Singapore to Dulles Intl flights
Okinawa to Reagan-National flights
Kansai Intl to Reagan-National flights
Soekarno-Hatta Intl to Dulles Intl flights
Hong Kong to Reagan-National flights

Top 5 airlines flying from Thailand to Washington, D.C.

Discover the top 5 airlines that operate flights from Thailand to Washington, D.C.. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated enero 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
ANACheapest$1,011Average$1,316FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$1,038Average$1,113FlexibilityNo cancel feeOn-time69%
Korean AirCheapest$1,045Average$1,170FlexibilityNo cancel feeOn-time81%
Qatar AirwaysCheapest$1,142Average$1,172FlexibilityNo cancel feeOn-time68%
EmiratesCheapest$1,392Average$1,430FlexibilityNo cancel feeOn-time75%

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