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Washington, D.C.

$526+ 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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — WAS
abr. 22 — abr. 291
mar. 4/22
mar. 4/29
1 adult, Economy
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Cheap 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 abril 17, 2025.

Round-trip from

$1,002
(Ovago)

One-way from

$526
(Kiwi.com)

Popular in

August

Cheapest in

May

Average price

$1,197
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. 8% potential increase in price ($110 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 abril 17, 2025.

This Ovago deal was found by Cheapflights users on 4/17. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 6/219:45 amBKK - DCA
2 stops41h 37mJapan Airlines
mar. 7/226:00 amDCA - BKK
2 stops36h 50mJapan Airlines
Deal found 4/17$1,002
This SAUDIA deal was found by Cheapflights users on 4/17. 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 SAUDIA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 6/213:25 pmBKK - IAD
1 stop107h 20mSAUDIA
mar. 7/226:50 pmIAD - BKK
1 stop66h 20mSAUDIA
Deal found 4/17$1,030
This SWISS deal was found by Cheapflights users on 4/17. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/1512:50 pmBKK - IAD
1 stop37h 25mSWISS
lun. 6/28:45 pmIAD - BKK
1 stop26h 00mSWISS
Deal found 4/17$1,082
This Austrian Airlines deal was found by Cheapflights users on 4/17. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/1511:40 pmBKK - IAD
2 stops46h 30mAustrian Airlines
mar. 11/45:10 pmIAD - BKK
2 stops58h 20mAustrian Airlines
Deal found 4/17$1,129
This lol.travel deal was found by Cheapflights users on 4/17. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/72:30 amBKK - IAD
1 stop41h 10mQatar Airways
sáb. 5/2411:00 amIAD - BKK
1 stop33h 20mQatar Airways
Deal found 4/17$1,132
This EVA Air deal was found by Cheapflights users on 4/17. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/254:45 pmBKK - IAD
2 stops25h 42mMultiple Airlines
jue. 7/38:19 pmIAD - BKK
2 stops27h 31mMultiple Airlines
Deal found 4/17$1,139
This oojo deal was found by Cheapflights users on 4/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/189:40 amBKK - IAD
1 stop36h 10mKorean Air
sáb. 11/2911:50 amIAD - BKK
1 stop24h 55mKorean Air
Deal found 4/17$1,145
This Lufthansa deal was found by Cheapflights users on 4/17. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/1611:00 pmBKK - IAD
1 stop27h 20mLufthansa
dom. 11/210:20 pmIAD - BKK
2 stops29h 10mLufthansa
Deal found 4/17$1,147
This Air Canada deal was found by Cheapflights users on 4/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/188:35 amBKK - IAD
2 stops24h 30mAir Canada
sáb. 11/293:55 pmIAD - BKK
2 stops50h 20mAir Canada
Deal found 4/17$1,172
This oojo deal was found by Cheapflights users on 4/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 6/611:20 amCNX - IAD
2 stops39h 54mChina Airlines
mié. 7/237:59 pmIAD - CNX
2 stops27h 21mChina Airlines
Deal found 4/17$1,184
This United Airlines deal was found by Cheapflights users on 4/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/167:00 amBKK - DCA
2 stops25h 27mUnited Airlines
lun. 11/38:30 amDCA - BKK
2 stops32h 40mUnited Airlines
Deal found 4/17$1,184
This oojo deal was found by Cheapflights users on 4/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/192:40 amBKK - IAD
2 stops39h 10mChina Airlines
mar. 7/228:19 pmIAD - BKK
2 stops28h 51mChina Airlines
Deal found 4/17$1,197

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 abril 17, 2025.
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

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

sáb. 6/21

9:45 am-4:22 pm

2 stops41h 37m

Washington, D.C. Reagan-National

mar. 7/22

6:00 am-5:50 am

2 stops36h 50m

$1,002

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

sáb. 6/21

3:25 pm-3:45 pm

1 stop107h 20m

Washington, D.C. Dulles Intl

mar. 7/22

6:50 pm-12:10 am

1 stop66h 20m

$1,030

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

jue. 5/15

12:50 pm-3:15 pm

1 stop37h 25m

Washington, D.C. Dulles Intl

lun. 6/2

8:45 pm-9:45 am

1 stop26h 00m

$1,082

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

mar. 7/15

11:40 pm-11:10 am

2 stops46h 30m

Washington, D.C. Dulles Intl

mar. 11/4

5:10 pm-3:30 pm

2 stops58h 20m

$1,129

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

mié. 5/7

2:30 am-8:40 am

1 stop41h 10m

Washington, D.C. Dulles Intl

sáb. 5/24

11:00 am-7:20 am

1 stop33h 20m

$1,132

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

mié. 6/25

4:45 pm-7:27 am

2 stops25h 42m

Washington, D.C. Dulles Intl

jue. 7/3

8:19 pm-10:50 am

2 stops27h 31m

$1,139

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

mié. 7/16

11:00 pm-3:20 pm

1 stop27h 20m

Washington, D.C. Dulles Intl

dom. 11/2

10:20 pm-3:30 pm

2 stops29h 10m

$1,147

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

vie. 6/6

11:20 am-4:14 pm

2 stops39h 54m

Washington, D.C. Dulles Intl

mié. 7/23

7:59 pm-10:20 am

2 stops27h 21m

$1,184

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

mié. 7/16

7:00 am-9:27 pm

2 stops25h 27m

Washington, D.C. Reagan-National

lun. 11/3

8:30 am-5:10 am

2 stops32h 40m

$1,184

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

jue. 6/19

2:40 am-6:50 am

2 stops39h 10m

Washington, D.C. Dulles Intl

mar. 7/22

8:19 pm-12:10 pm

2 stops28h 51m

$1,197

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

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, August is the cheapest month in which you can book a flight from Thailand to Washington, D.C. (average of $309). Flying from Thailand to Washington, D.C. in June is currently the most expensive (average of $383). 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 abril 17, 2025.

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

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

Plan your trip to Washington, D.C. by taking into account the average temperature totals 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 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 abril 17, 2025.
Get a feel of what it's like to fly with EVA Air, Korean Air and Japan Airlines 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.
EVA Air
8.4
Very good
1,177 reviews

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
EVA Air
8.4
Very good
1,177 reviews
EVA Air
8.4
Very good
1,177 reviews

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Korean Air
8.4
Very good
1,064 reviews
EVA Air
8.4
Very good
1,177 reviews

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Japan Airlines
8.3
Very good
1,443 reviews
EVA Air
8.4
Very good
1,177 reviews

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
ANA
8.3
Very good
845 reviews
EVA Air
8.4
Very good
1,177 reviews

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
China Airlines
8.2
Very good
729 reviews
EVA Air
8.4
Very good
1,177 reviews

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Food

8.1

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

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?

    To fly one-way, consider booking your trip with SAUDIA, which is currently one of the cheapest options available, starting at $591. Air Canada flights start at $596 while deals on China Airlines start at $652 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 - Baltimore/Washington and Bangkok Suvarnabhumi - Washington, D.C. Reagan-National.

  • 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 $309). Flying from Thailand to Washington, D.C. in June is currently the most expensive (average of $383). 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 Thailand?

Book flights to Thailand if you plan to visit one of these locations
Arlington
Alexandria
Fairfax
Tysons
Springfield
Woodbridge
Rockville
Fredericksburg
Gaithersburg
Silver Spring
Linthicum Heights
Falls Church
Laurel
Easton
Herndon
Bowie
Gettysburg
National Harbor
Oxon Hill
Reston

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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.
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Top 8 airlines flying from Thailand to Washington, D.C.

Discover the top 8 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 abril 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$854Average$1,306FlexibilityNo cancel feeOn-timeN/A
ANACheapest$922Average$1,246FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$937Average$1,076FlexibilityNo cancel feeOn-time69%
Korean AirCheapest$1,043Average$1,220FlexibilityNo cancel feeOn-time81%
Qatar AirwaysCheapest$1,217Average$1,438FlexibilityNo cancel feeOn-time68%
Turkish AirlinesCheapest$1,287Average$1,448FlexibilityNo cancel feeOn-time77%
EmiratesCheapest$1,340Average$1,511FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$1,351Average$1,401FlexibilityNo cancel feeOn-time71%

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