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$367+ 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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — BKK
Apr 10 — Apr 171
Fri 4/10
Fri 4/17
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 March 11, 2026.

This KAYAK deal was found by Cheapflights users on 3/11. 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.
Thu 4/233:10 pm
IAD
-
BKK
1 stop34h 00m
Etihad Airways
Mon 4/2712:25 pm
BKK
-
IAD
2 stops56h 20m
Etihad Airways
Deal found 3/11$850
This Gotogate deal was found by Cheapflights users on 3/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/233:10 pm
IAD
-
BKK
1 stop28h 35m
Etihad Airways
Sun 5/249:15 am
BKK
-
IAD
1 stop35h 30m
Etihad Airways
Deal found 3/10$851
This FlightHub deal was found by Cheapflights users on 3/9. 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 4/73:10 pm
IAD
-
BKK
1 stop21h 40m
Etihad Airways
Mon 4/205:50 pm
BKK
-
IAD
2 stops50h 55m
Etihad Airways
Deal found 3/9$852
This FlightHub deal was found by Cheapflights users on 3/11. 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.
Mon 4/203:10 pm
IAD
-
BKK
1 stop28h 20m
Etihad Airways
Wed 4/293:05 pm
BKK
-
IAD
1 stop29h 40m
Etihad Airways
Deal found 3/11$853
This lastminute.com deal was found by Cheapflights users on 3/10. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/283:10 pm
IAD
-
BKK
1 stop21h 40m
Etihad Airways
Wed 10/2812:25 pm
BKK
-
IAD
2 stops56h 40m
Etihad Airways
Deal found 3/10$854
This AIR PREMIA deal was found by Cheapflights users on 3/10. 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 AIR PREMIA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/11:20 pm
IAD
-
BKK
1 stop44h 50m
AIR PREMIA
Thu 5/2110:45 pm
BKK
-
IAD
1 stop23h 05m
AIR PREMIA
Deal found 3/10$856
This Gotogate deal was found by Cheapflights users on 3/8. 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.
Thu 4/233:10 pm
IAD
-
BKK
1 stop33h 40m
Etihad Airways
Sun 5/33:05 pm
BKK
-
IAD
1 stop29h 40m
Etihad Airways
Deal found 3/8$857
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/63:10 pm
IAD
-
BKK
1 stop21h 40m
Etihad Airways
Wed 5/69:00 pm
BKK
-
IAD
1 stop23h 45m
Etihad Airways
Deal found 3/10$858
This Kiwi.com deal was found by Cheapflights users on 3/11. 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.
Tue 4/213:10 pm
IAD
-
BKK
1 stop21h 40m
Etihad Airways
Wed 4/293:05 pm
BKK
-
IAD
1 stop29h 40m
Etihad Airways
Deal found 3/11$859
This oojo deal was found by Cheapflights users on 3/11. 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.
Thu 4/233:10 pm
IAD
-
BKK
1 stop28h 35m
Etihad Airways
Sat 5/99:40 am
BKK
-
IAD
1 stop35h 05m
Etihad Airways
Deal found 3/11$860
This oojo deal was found by Cheapflights users on 3/9. 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.
Thu 4/303:10 pm
IAD
-
BKK
1 stop21h 40m
Etihad Airways
Sat 5/99:15 am
BKK
-
IAD
1 stop35h 30m
Etihad Airways
Deal found 3/9$861
This FlightHub deal was found by Cheapflights users on 3/9. 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 11/249:10 pm
IAD
-
BKK
1 stop26h 30m
Turkish Airlines
Tue 12/1510:10 am
BKK
-
IAD
1 stop45h 05m
Turkish Airlines
Deal found 3/9$862

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 March 11, 2026.

Round-trip from

$850
(KAYAK)

One-way from

$383
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$1,148
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. 9% potential increase in price ($114 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($49 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 11, 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.Phuket City

DCA - HKT

DCAHKT

Washington, D.C. Reagan-National

Mon 8/31

5:30 pm-10:50 am

2 stops30h 20m

Phuket City

Tue 9/8

11:50 am-9:59 pm

2 stops45h 09m

$973

Washington, D.C.Phuket City

DCA - HKT

DCAHKT

Washington, D.C. Reagan-National

Tue 9/1

5:30 pm-10:50 am

2 stops30h 20m

Phuket City

Tue 9/8

11:50 am-9:59 pm

2 stops45h 09m

$973
Quickest round-trip

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Wed 9/2

1:15 am-10:25 am

1 stop22h 10m

Chiang Mai

Mon 9/7

11:35 am-10:00 pm

1 stop21h 25m

$1,068

Washington, D.C.Chiang Mai

DCA - CNX

DCACNX

Washington, D.C. Reagan-National

Tue 5/5

6:59 pm-10:20 am

2 stops28h 21m

Chiang Mai

Thu 6/11

11:20 am-9:59 pm

2 stops45h 39m

$1,092

Washington, D.C.Chiang Mai

DCA - CNX

DCACNX

Washington, D.C. Reagan-National

Wed 4/22

9:59 am-10:25 am

2 stops37h 26m

Chiang Mai

Wed 4/29

11:35 am-8:00 pm

2 stops43h 25m

$1,099

Washington, D.C.Phuket City

IAD - HKT

IADHKT

Washington, D.C. Dulles Intl

Mon 4/13

8:20 pm-7:45 am

1 stop24h 25m

Phuket City

Mon 4/27

10:30 am-4:05 pm

2 stops64h 35m

$1,100

BaltimoreBangkok

BWI - BKK

BWIBKK

Baltimore/Washington

Mon 5/4

8:22 am-9:35 am

3 stops38h 13m

Bangkok Suvarnabhumi

Wed 5/13

9:35 am-11:36 am

3 stops37h 01m

$1,126

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Thu 4/23

6:00 am-9:45 pm

2 stops28h 45m

Bangkok Suvarnabhumi

Thu 4/30

9:50 am-11:55 pm

2 stops25h 05m

$1,131

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

Mon 3/23

2:45 pm-11:25 am

3 stops33h 40m

Bangkok Suvarnabhumi

Mon 4/27

9:35 am-2:14 pm

2 stops39h 39m

$1,140

BaltimoreBangkok

BWI - BKK

BWIBKK

Baltimore/Washington

Sun 4/12

7:11 pm-9:45 am

2 stops27h 34m

Bangkok Suvarnabhumi

Sat 5/16

5:30 pm-6:28 am

2 stops23h 58m

$1,140

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/10

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

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

Currently, June is the cheapest month in which you can book a flight from Washington, D.C. to Thailand (average of $605). Flying from Washington, D.C. to Thailand in July is currently the most expensive (average of $872). 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 March 11, 2026.

It’s optimal to fly from Washington, D.C. to Thailand in the evening. By choosing this option you can save up to 37% on the cost of your flight, compared to a flight at noon.

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

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

Travelers seeking maximum savings on their Washington, D.C. to Thailand flight should consider departing on Monday at noon 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 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 March 11, 2026.
Get a feel of what it's like to fly with Qatar Airways,United Airlines, andEtihad Airways 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
3,742 reviews

Entertainment

7.3

Food

7.3

Boarding

7.5

Comfort

7.4

Overall

7.4

Crew

7.9

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
3,742 reviews
Qatar Airways
7.4
Good
3,742 reviews

Entertainment

7.3

Food

7.3

Boarding

7.5

Comfort

7.4

Overall

7.4

Crew

7.9

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
9,415 reviews
Qatar Airways
7.4
Good
3,742 reviews

Entertainment

7.3

Food

7.3

Boarding

7.5

Comfort

7.4

Overall

7.4

Crew

7.9

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
1,426 reviews
Qatar Airways
7.4
Good
3,742 reviews

Entertainment

7.3

Food

7.3

Boarding

7.5

Comfort

7.4

Overall

7.4

Crew

7.9

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
7.3
Good
4,252 reviews
Qatar Airways
7.4
Good
3,742 reviews

Entertainment

7.3

Food

7.3

Boarding

7.5

Comfort

7.4

Overall

7.4

Crew

7.9

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
2,900 reviews
Qatar Airways
7.4
Good
3,742 reviews

Entertainment

7.3

Food

7.3

Boarding

7.5

Comfort

7.4

Overall

7.4

Crew

7.9

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?

    EVA Air, Qatar Airways, and United Airlines can get you from Washington, D.C. to Thailand in just under 22h 10m. Your travel time can differ by up to 16h 03m. The distance from Washington, D.C. to Thailand is about 8436 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 Baltimore/Washington - Bangkok Suvarnabhumi or Washington, D.C. Reagan-National - 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, June is the cheapest month in which you can book a flight from Washington, D.C. to Thailand (average of $605). Flying from Washington, D.C. to Thailand in July is currently the most expensive (average of $872). 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 March 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest$565Average$825FlexibilityNo cancel feeOn-time67%
DeltaCheapest$664Average$1,137FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$673Average$1,132FlexibilityNo cancel feeOn-time81%
AIR PREMIACheapest$784Average$884FlexibilityNo cancel feeOn-timeN/A
Etihad AirwaysCheapest$787Average$1,042FlexibilityNo cancel feeOn-time75%
Qatar AirwaysCheapest$818Average$1,183FlexibilityNo cancel feeOn-time68%
Turkish AirlinesCheapest$835Average$1,154FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$845Average$1,294FlexibilityNo cancel feeOn-time67%
ANACheapest$893Average$1,133FlexibilityNo cancel feeOn-time80%
JetBlueCheapest$900Average$2,043FlexibilityNo cancel feeOn-time62%

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