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$434+ Cheap flights from Washington, D.C. (WAS) to Thailand

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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — BKK
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheap flight deals from Washington, D.C. to Thailand

Keep the following information in mind while searching for Washington, D.C. to Thailand flight deals. Data was last updated July 31, 2025.

Round-trip from

$825
(oojo)

One-way from

$434
(Booking.com)

Popular in

December

Cheapest in

September

Average price

$1,224
From Washington, D.C. (WAS) to Thailand
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One-way flight from Washington, D.C. (WAS) to Thailand
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($174 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Washington, D.C. to Thailand

Cheapest flights from Washington, D.C. to Thailand
Explore the most affordable flight options available from Washington, D.C. to Thailand. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

This oojo deal was found by Cheapflights users on 7/30. 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.
Tue 10/2111:00 pmIAD - HKT
1 stop31h 45mAir China
Thu 10/306:25 pmHKT - IAD
1 stop36h 05mAir China
Deal found 7/30$825
This Trip.com deal was found by Cheapflights users on 7/29. 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.
Fri 8/295:45 amBWI - BKK
2 stops31h 55mMultiple Airlines
Fri 9/55:05 amBKK - BWI
2 stops36h 55mMultiple Airlines
Deal found 7/29$826
This FlightHub deal was found by Cheapflights users on 7/28. 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.
Tue 11/1110:00 pmIAD - CNX
1 stop35h 50mAir China
Thu 11/2011:05 pmCNX - IAD
1 stop31h 25mAir China
Deal found 7/28$847
This CrystalTravel deal was found by Cheapflights users on 7/29. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/93:30 pmDCA - BKK
2 stops26h 05mANA
Tue 9/167:00 amBKK - DCA
2 stops25h 03mANA
Deal found 7/29$901
This CrystalTravel deal was found by Cheapflights users on 7/29. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/288:30 amIAD - BKK
2 stops28h 35mANA
Mon 11/1010:50 pmBKK - IAD
2 stops24h 59mANA
Deal found 7/29$901
This Etihad Airways deal was found by Cheapflights users on 7/28. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2810:05 pmIAD - BKK
1 stop33h 45mEtihad Airways
Tue 9/169:30 amBKK - IAD
1 stop41h 40mEtihad Airways
Deal found 7/28$903
This Gotogate deal was found by Cheapflights users on 7/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1012:15 pmIAD - CNX
2 stops38h 30mMultiple Airlines
Wed 9/1710:10 amCNX - IAD
2 stops34h 55mMultiple Airlines
Deal found 7/30$910
This Delta deal was found by Cheapflights users on 7/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/217:45 amDCA - BKK
2 stops28h 40mDelta
Tue 10/289:40 amBKK - DCA
2 stops24h 45mDelta
Deal found 7/30$912
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Mon 8/2512:20 pmIAD - BKK
1 stop29h 15mUnited Airlines
Wed 9/109:35 amBKK - IAD
2 stops30h 49mUnited Airlines
Deal found 7/30$914
This FlightHub deal was found by Cheapflights users on 7/30. 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.
Sun 11/161:30 pmIAD - BKK
1 stop26h 50mTurkish Airlines
Sun 12/1410:10 amBKK - IAD
1 stop45h 05mTurkish Airlines
Deal found 7/30$916
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Mon 10/201:00 pmDCA - BKK
2 stops28h 35mUnited Airlines
Tue 10/289:25 amBKK - DCA
2 stops23h 30mUnited Airlines
Deal found 7/30$917
This Delta deal was found by Cheapflights users on 7/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/286:15 amIAD - BKK
2 stops30h 10mDelta
Mon 9/159:40 pmBKK - IAD
2 stops29h 27mDelta
Deal found 7/28$922

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Thailand 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 July 31, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Thailand that are best for you.

Fly from

Washington, D.C.

Fly to

Thailand

Route

Depart

Return

Price

Washington, D.C.Phuket City

IAD - HKT

IADHKT

Washington, D.C. Dulles Intl

Tue 10/21

11:00 pm-5:45 pm

1 stop31h 45m

Phuket City

Thu 10/30

6:25 pm-7:30 pm

1 stop36h 05m

$825

BaltimoreBangkok

BWI - BKK

BWIBKK

Baltimore/Washington

Fri 8/29

5:45 am-12:40 am

2 stops31h 55m

Bangkok Suvarnabhumi

Fri 9/5

5:05 am-7:00 am

2 stops36h 55m

$826

BaltimoreBangkok

BWI - BKK

BWIBKK

Baltimore/Washington

Wed 1/14

6:55 pm-8:00 pm

2 stops37h 05m

Bangkok Suvarnabhumi

Wed 2/25

9:10 pm-5:55 pm

2 stops32h 45m

$846

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

Tue 9/9

3:30 pm-4:35 am

2 stops26h 05m

Bangkok Suvarnabhumi

Tue 9/16

7:00 am-9:03 pm

2 stops25h 03m

$901

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Tue 10/28

8:30 am-12:05 am

2 stops28h 35m

Bangkok Suvarnabhumi

Mon 11/10

10:50 pm-11:49 am

2 stops24h 59m

$901

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Sat 1/10

9:10 pm-8:40 am

1 stop23h 30m

Bangkok Suvarnabhumi

Sun 1/25

5:50 am-7:15 pm

1 stop25h 25m

$902

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Thu 8/28

10:05 pm-6:50 pm

1 stop33h 45m

Bangkok Suvarnabhumi

Tue 9/16

9:30 am-4:10 pm

1 stop41h 40m

$903

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Wed 1/14

6:55 pm-8:00 pm

2 stops37h 05m

Bangkok Suvarnabhumi

Wed 2/25

9:10 pm-5:55 pm

2 stops32h 45m

$906

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Wed 9/10

12:15 pm-1:45 pm

2 stops38h 30m

Chiang Mai

Wed 9/17

10:10 am-10:05 am

2 stops34h 55m

$910

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

Tue 10/21

7:45 am-11:25 pm

2 stops28h 40m

Bangkok Suvarnabhumi

Tue 10/28

9:40 am-11:25 pm

2 stops24h 45m

$912

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 60 results
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Best time to book a flight from Washington, D.C. to Thailand

Have a flexible travel schedule? Discover the best time to fly to Thailand from Washington, D.C. 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 Washington, D.C. to Thailand

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

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. to Thailand (average of $946). Flying from Washington, D.C. to Thailand in December is currently the most expensive (average of $1,563). 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 WAS to TH?

Find hourly flight availability from Washington, D.C. to Thailand. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 31, 2025.

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

Reviews of airlines servicing Thailand

Get insights into the airlines that provide service to Thailand. 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 Thailand. Reviews last updated July 31, 2025.
Get a feel of what it's like to fly with EVA Air, ANA, and Korean Air from Washington, D.C. to Thailand by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,222 reviews

Entertainment

8.0

Boarding

8.4

Crew

8.6

Food

8.1

Overall

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very good
1,222 reviews
EVA Air
8.4
Very good
1,222 reviews

Entertainment

8.0

Boarding

8.4

Crew

8.6

Food

8.1

Overall

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
ANA
8.4
Very good
922 reviews
EVA Air
8.4
Very good
1,222 reviews

Entertainment

8.0

Boarding

8.4

Crew

8.6

Food

8.1

Overall

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Korean Air
8.4
Very good
1,121 reviews
EVA Air
8.4
Very good
1,222 reviews

Entertainment

8.0

Boarding

8.4

Crew

8.6

Food

8.1

Overall

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Japan Airlines
8.3
Very good
1,536 reviews
EVA Air
8.4
Very good
1,222 reviews

Entertainment

8.0

Boarding

8.4

Crew

8.6

Food

8.1

Overall

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
China Airlines
8.3
Very good
754 reviews
EVA Air
8.4
Very good
1,222 reviews

Entertainment

8.0

Boarding

8.4

Crew

8.6

Food

8.1

Overall

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Thailand. 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 Washington, D.C. to Thailand one-way?

    One-way options have recently been found by users for as low as $434 on Turkish Airlines. Other airlines that offer cheap prices include IndiGo from $435 and Air India from $490 one-way.

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

    The most popular route from Washington, D.C. to Thailand is Washington, D.C. Dulles Intl - Bangkok Suvarnabhumi. You may also consider Washington, D.C. Reagan-National - Bangkok Suvarnabhumi or Baltimore/Washington - Bangkok Suvarnabhumi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Washington, D.C. to Thailand 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 Washington, D.C. to Thailand?

    Currently, September is the cheapest month in which you can book a flight from Washington, D.C. to Thailand (average of $946). Flying from Washington, D.C. to Thailand in December is currently the most expensive (average of $1,563). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Washington, D.C. to Thailand

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Washington, D.C. to Thailand

Discover the top 10 airlines that operate flights from Washington, D.C. to Thailand. 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest$565Average$629FlexibilityNo cancel feeOn-time67%
SAUDIACheapest$590Average$842FlexibilityNo cancel feeOn-time86%
Air IndiaCheapest$700Average$961FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$802Average$1,612FlexibilityNo cancel feeOn-time81%
ANACheapest$896Average$1,238FlexibilityNo cancel feeOn-time80%
Etihad AirwaysCheapest$916Average$1,142FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$916Average$1,129FlexibilityNo cancel feeOn-time77%
DeltaCheapest$928Average$1,246FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$936Average$1,416FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$939Average$1,351FlexibilityNo cancel feeOn-time69%

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