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$490+ 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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — BKK
Jun 9 — Jun 161
Tue 6/9
Tue 6/16
1 adult, Economy
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Cheap 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 May 10, 2026.

This FlightHub deal was found by Cheapflights users on 5/10. 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.
Wed 12/910:30 pm
IAD
-
BKK
2 stops45h 40m
Multiple Airlines
Wed 12/1612:15 pm
BKK
-
IAD
1 stop38h 25m
Multiple Airlines
Deal found 5/10$863
This Gotogate deal was found by Cheapflights users on 5/6. 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.
Tue 10/64:30 pm
IAD
-
BKK
2 stops30h 15m
Multiple Airlines
Wed 10/2112:25 pm
BKK
-
IAD
1 stop37h 05m
Multiple Airlines
Deal found 5/6$889
This lastminute.com deal was found by Cheapflights users on 5/8. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/93:10 pm
IAD
-
BKK
1 stop40h 00m
Etihad Airways
Sun 5/243:15 am
BKK
-
IAD
1 stop41h 30m
Etihad Airways
Deal found 5/8$918
This Etihad Airways deal was found by Cheapflights users on 5/10. 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.
Tue 9/13:10 pm
IAD
-
BKK
1 stop21h 40m
Etihad Airways
Thu 10/153:05 pm
BKK
-
IAD
1 stop29h 40m
Etihad Airways
Deal found 5/10$922
This FlightHub deal was found by Cheapflights users on 5/6. 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.
Wed 5/133:10 pm
IAD
-
BKK
1 stop34h 00m
Etihad Airways
Mon 5/253:15 am
BKK
-
IAD
1 stop41h 30m
Etihad Airways
Deal found 5/6$932
This CrystalTravel deal was found by Cheapflights users on 5/6. 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.
Wed 9/99:00 pm
IAD
-
BKK
1 stop22h 20m
Qatar Airways
Wed 9/169:05 pm
BKK
-
IAD
1 stop29h 35m
Qatar Airways
Deal found 5/6$933
This FlightHub deal was found by Cheapflights users on 5/7. 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.
Fri 5/83:10 pm
IAD
-
BKK
1 stop40h 00m
Etihad Airways
Sun 7/123:15 am
BKK
-
IAD
1 stop41h 30m
Etihad Airways
Deal found 5/7$936
This oojo deal was found by Cheapflights users on 5/10. 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.
Mon 5/113:10 pm
IAD
-
BKK
1 stop40h 00m
Etihad Airways
Sun 5/243:15 am
BKK
-
IAD
1 stop41h 30m
Etihad Airways
Deal found 5/10$940
This Gotogate deal was found by Cheapflights users on 5/8. 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.
Mon 10/53:10 pm
IAD
-
BKK
1 stop21h 40m
Etihad Airways
Wed 12/22:55 am
BKK
-
IAD
1 stop42h 10m
Etihad Airways
Deal found 5/8$941
This oojo deal was found by Cheapflights users on 5/7. 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.
Mon 11/166:11 pm
BWI
-
BKK
2 stops37h 49m
Singapore Airlines
Wed 12/29:10 pm
BKK
-
BWI
2 stops45h 11m
Singapore Airlines
Deal found 5/7$983
This FlightHub deal was found by Cheapflights users on 5/6. 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.
Fri 11/131:30 pm
IAD
-
HKT
1 stop38h 15m
Turkish Airlines
Wed 12/210:25 pm
HKT
-
IAD
1 stop25h 20m
Turkish Airlines
Deal found 5/6$1,057
This IEagle deal was found by Cheapflights users on 5/7. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/18:05 pm
IAD
-
HKT
2 stops27h 55m
Qatar Airways
Sun 11/88:30 pm
HKT
-
IAD
1 stop31h 25m
Qatar Airways
Deal found 5/7$1,066

Find 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 May 10, 2026.

Round-trip from

$889
(Gotogate)

One-way from

$490
(IEagle)

Popular in

December

Cheapest in

September

Average price

$993
From Washington, D.C. (WAS) to Thailand
Search Deals
One-way flight from Washington, D.C. (WAS) to Thailand
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($121 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($51 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

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 May 10, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Thailand that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Sat 9/12

3:10 pm-11:50 pm

1 stop21h 40m

Bangkok Suvarnabhumi

Thu 10/22

3:15 am-9:45 am

1 stop41h 30m

$1,020

Washington, D.C.Phuket City

IAD - HKT

IADHKT

Washington, D.C. Dulles Intl

Wed 5/13

10:55 am-8:00 pm

1 stop22h 05m

Phuket City

Wed 5/20

11:45 pm-8:40 am

1 stop43h 55m

$1,163

Washington, D.C.Phuket City

IAD - HKT

IADHKT

Washington, D.C. Dulles Intl

Wed 7/29

3:10 pm-7:35 am

1 stop29h 25m

Phuket City

Sun 8/9

9:25 am-9:45 am

1 stop35h 20m

$1,181

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Sat 8/22

9:00 pm-12:55 pm

1 stop28h 55m

Bangkok Suvarnabhumi

Wed 11/25

9:30 pm-3:55 pm

2 stops30h 25m

$1,191

Washington, D.C.Bangkok

IAD - DMK

IADDMK

Washington, D.C. Dulles Intl

Mon 8/3

10:55 am-11:25 am

1 stop37h 30m

Bangkok Don Mueang Intl

Mon 8/24

11:50 pm-8:40 am

1 stop43h 50m

$1,255
Quickest round-trip

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Sun 5/31

3:10 pm-11:50 pm

1 stop21h 40m

Bangkok Suvarnabhumi

Mon 6/8

3:50 pm-9:45 am

1 stop28h 55m

$1,260

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Sun 11/1

8:05 pm-9:20 am

2 stops25h 15m

Bangkok Suvarnabhumi

Thu 11/5

6:55 pm-8:20 am

1 stop25h 25m

$1,263

Washington, D.C.Phuket City

IAD - HKT

IADHKT

Washington, D.C. Dulles Intl

Sat 6/6

3:10 pm-11:55 pm

1 stop21h 45m

Phuket City

Mon 6/15

9:25 am-9:45 am

1 stop35h 20m

$1,286

Washington, D.C.Phuket City

IAD - HKT

IADHKT

Washington, D.C. Dulles Intl

Thu 5/14

10:55 am-12:00 pm

1 stop38h 05m

Phuket City

Sat 5/23

7:55 pm-8:40 am

1 stop23h 45m

$1,288

Washington, D.C.Bangkok

IAD - DMK

IADDMK

Washington, D.C. Dulles Intl

Tue 7/21

10:55 am-11:25 am

1 stop37h 30m

Bangkok Don Mueang Intl

Fri 7/31

11:50 pm-8:40 am

1 stop43h 50m

$1,325

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/6

Showing 1-10 of 60 resultsSorted by cheapest first
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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

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

The best time to book flights from Washington, D.C. to Thailand is 60 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. to Thailand (average of $427). Flying from Washington, D.C. to Thailand in December is currently the most expensive (average of $1,446). 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.

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 May 10, 2026.
Get a feel of what it's like to fly with Qatar Airways,Turkish Airlines, andUnited Airlines 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.
Qatar Airways
7.4
Good
3,728 reviews

Crew

7.9

Entertainment

7.3

Comfort

7.3

Overall

7.4

Food

7.3

Boarding

7.5

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable
Qatar Airways
7.4
Good
3,728 reviews
Qatar Airways
7.4
Good
3,728 reviews

Crew

7.9

Entertainment

7.3

Comfort

7.3

Overall

7.4

Food

7.3

Boarding

7.5

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable
Turkish Airlines
7.4
Good
4,356 reviews
Qatar Airways
7.4
Good
3,728 reviews

Crew

7.9

Entertainment

7.3

Comfort

7.3

Overall

7.4

Food

7.3

Boarding

7.5

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable
United Airlines
7.4
Good
9,694 reviews
Qatar Airways
7.4
Good
3,728 reviews

Crew

7.9

Entertainment

7.3

Comfort

7.3

Overall

7.4

Food

7.3

Boarding

7.5

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable
Etihad Airways
7.3
Good
1,435 reviews
Qatar Airways
7.4
Good
3,728 reviews

Crew

7.9

Entertainment

7.3

Comfort

7.3

Overall

7.4

Food

7.3

Boarding

7.5

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable
JetBlue
7.2
Good
2,976 reviews
Qatar Airways
7.4
Good
3,728 reviews

Crew

7.9

Entertainment

7.3

Comfort

7.3

Overall

7.4

Food

7.3

Boarding

7.5

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable

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.

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

    Etihad Airways, Emirates, and Qatar Airways can get you from Washington, D.C. to Thailand in just under 21h 40m. Your travel time can differ by up to 7h 15m. The distance from Washington, D.C. to Thailand is about 8792 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $394 on IndiGo. Other airlines that offer cheap prices include Korean Air from $394 and Etihad Airways from $401 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, August is the cheapest month in which you can book a flight from Washington, D.C. to Thailand (average of $427). Flying from Washington, D.C. to Thailand in December is currently the most expensive (average of $1,446). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 May 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$664Average$1,143FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$673Average$1,120FlexibilityNo cancel feeOn-time81%
Air ChinaCheapest$732Average$902FlexibilityNo cancel feeOn-time67%
AIR PREMIACheapest$784Average$870FlexibilityNo cancel feeOn-timeN/A
Etihad AirwaysCheapest$786Average$1,053FlexibilityNo cancel feeOn-time75%
Qatar AirwaysCheapest$816Average$1,179FlexibilityNo cancel feeOn-time68%
Turkish AirlinesCheapest$833Average$1,072FlexibilityNo cancel feeOn-time77%
ANACheapest$893Average$1,095FlexibilityNo cancel feeOn-time80%
JetBlueCheapest$900Average$2,036FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$920Average$1,313FlexibilityNo cancel feeOn-time75%

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