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$387+ 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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — BKK
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
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 December 15, 2025.

This JetBlue deal was found by Cheapflights users on 12/15. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:05 pmIAD - BKK
1 stop22h 10mJetBlue
Thu 1/153:00 amBKK - IAD
1 stop24h 55mJetBlue
Deal found 12/15$923
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Wed 12/3112:20 pmIAD - BKK
1 stop28h 50mUnited Airlines
Fri 1/164:55 pmBKK - IAD
2 stops26h 19mUnited Airlines
Deal found 12/15$980
This KAYAK deal was found by Cheapflights users on 12/15. 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.
Mon 12/291:30 pmIAD - BKK
1 stop31h 10mTurkish Airlines
Sat 1/175:50 amBKK - IAD
1 stop41h 55mTurkish Airlines
Deal found 12/15$1,074
This United Airlines deal was found by Cheapflights users on 12/14. 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.
Tue 12/238:20 amIAD - BKK
2 stops32h 50mUnited Airlines
Wed 12/319:10 amBKK - IAD
2 stops32h 12mUnited Airlines
Deal found 12/14$1,133
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Sat 12/205:00 pmDCA - BKK
3 stops48h 10mUnited Airlines
Thu 1/87:10 amBKK - DCA
2 stops26h 42mUnited Airlines
Deal found 12/15$1,176
This FlightHub deal was found by Cheapflights users on 12/14. 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 12/282:35 pmIAD - BKK
1 stop20h 50mEtihad Airways
Sat 1/317:35 pmBKK - IAD
2 stops49h 30mEtihad Airways
Deal found 12/14$1,212
This KAYAK deal was found by Cheapflights users on 12/13. 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.
Fri 12/262:35 pmIAD - BKK
1 stop39h 25mEtihad Airways
Wed 1/218:55 amBKK - IAD
1 stop36h 10mEtihad Airways
Deal found 12/13$1,228
This United Airlines deal was found by Cheapflights users on 12/13. 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.
Wed 12/313:22 pmIAD - BKK
2 stops32h 03mUnited Airlines
Tue 1/134:55 pmBKK - IAD
2 stops44h 04mUnited Airlines
Deal found 12/13$1,236
This Ovago deal was found by Cheapflights users on 12/14. 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.
Mon 12/1512:20 pmIAD - BKK
1 stop30h 10mANA
Sun 12/219:10 amBKK - IAD
1 stop36h 00mANA
Deal found 12/14$1,244
This United Airlines deal was found by Cheapflights users on 12/13. 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.
Sun 12/147:59 pmDCA - BKK
2 stops40h 21mUnited Airlines
Wed 1/147:10 amBKK - DCA
2 stops24h 22mUnited Airlines
Deal found 12/13$1,249
This United Airlines deal was found by Cheapflights users on 12/13. 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.
Sun 12/1410:10 pmIAD - BKK
2 stops38h 10mUnited Airlines
Wed 1/147:10 amBKK - IAD
2 stops26h 03mUnited Airlines
Deal found 12/13$1,249
This United Airlines deal was found by Cheapflights users on 12/13. 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.
Sun 12/147:59 pmDCA - BKK
2 stops40h 21mUnited Airlines
Tue 1/134:55 pmBKK - DCA
2 stops40h 57mUnited Airlines
Deal found 12/13$1,266

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 December 15, 2025.

Round-trip from

$876
(oojo)

One-way from

$387
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$1,705
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 ($124 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($48 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 15, 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.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Fri 3/13

3:35 pm-11:20 am

2 stops32h 45m

Chiang Mai

Sat 3/28

8:50 am-9:45 am

1 stop35h 55m

$926

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

Tue 1/27

6:05 am-11:20 pm

2 stops29h 15m

Bangkok Suvarnabhumi

Wed 2/4

12:55 am-12:00 pm

2 stops23h 05m

$928

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

Tue 1/27

6:05 am-11:20 pm

2 stops29h 15m

Bangkok Suvarnabhumi

Wed 2/4

9:40 am-11:26 pm

2 stops25h 46m

$928

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

Tue 1/27

6:05 am-11:20 pm

2 stops29h 15m

Bangkok Suvarnabhumi

Mon 2/2

12:55 am-12:00 pm

2 stops23h 05m

$928

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Tue 1/27

6:00 am-11:20 pm

2 stops29h 20m

Bangkok Suvarnabhumi

Wed 2/4

12:55 am-4:46 pm

2 stops27h 51m

$928

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Thu 1/29

7:00 am-12:45 am

2 stops29h 45m

Bangkok Suvarnabhumi

Wed 2/11

12:55 am-11:50 am

2 stops22h 55m

$928

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

Mon 1/26

6:00 am-11:20 pm

2 stops29h 20m

Bangkok Suvarnabhumi

Tue 2/3

12:55 am-4:29 pm

2 stops27h 34m

$933

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

Tue 4/7

1:00 pm-4:35 am

2 stops28h 35m

Bangkok Suvarnabhumi

Wed 4/22

7:00 am-9:04 pm

2 stops25h 04m

$936

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Tue 4/7

12:40 pm-9:45 am

3 stops34h 05m

Bangkok Suvarnabhumi

Tue 4/21

9:35 am-5:33 am

2 stops30h 58m

$937

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

Mon 2/16

8:20 am-5:10 am

2 stops32h 50m

Bangkok Suvarnabhumi

Tue 3/24

4:55 pm-3:59 pm

3 stops34h 04m

$944

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/12

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, June is the cheapest month in which you can book a flight from Washington, D.C. to Thailand (average of $616). Flying from Washington, D.C. to Thailand in December is currently the most expensive (average of $914). 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 December 15, 2025.

It’s optimal to fly from Washington, D.C. to Thailand in the evening. By choosing this option you can save up to 21% on the cost of your flight, compared to a flight in the morning.

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 December 16, 2024.

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 December 15, 2025.
Get a feel of what it's like to fly with Qatar Airways, Etihad Airways, and United 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
3,681 reviews

Crew

7.9

Boarding

7.5

Overall

7.4

Entertainment

7.4

Comfort

7.4

Food

7.3

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
3,681 reviews
Qatar Airways
7.4
Good
3,681 reviews

Crew

7.9

Boarding

7.5

Overall

7.4

Entertainment

7.4

Comfort

7.4

Food

7.3

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
7.4
Good
1,332 reviews
Qatar Airways
7.4
Good
3,681 reviews

Crew

7.9

Boarding

7.5

Overall

7.4

Entertainment

7.4

Comfort

7.4

Food

7.3

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
9,092 reviews
Qatar Airways
7.4
Good
3,681 reviews

Crew

7.9

Boarding

7.5

Overall

7.4

Entertainment

7.4

Comfort

7.4

Food

7.3

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
4,097 reviews
Qatar Airways
7.4
Good
3,681 reviews

Crew

7.9

Boarding

7.5

Overall

7.4

Entertainment

7.4

Comfort

7.4

Food

7.3

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
2,895 reviews
Qatar Airways
7.4
Good
3,681 reviews

Crew

7.9

Boarding

7.5

Overall

7.4

Entertainment

7.4

Comfort

7.4

Food

7.3

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, Delta, and Korean Air can get you from Washington, D.C. to Thailand in just under 29h 15m. Your travel time can differ by up to 3h 30m. The distance from Washington, D.C. to Thailand is about 8797 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 Korean Air. Other airlines that offer cheap prices include Etihad Airways from $401 and Turkish Airlines from $423 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, June is the cheapest month in which you can book a flight from Washington, D.C. to Thailand (average of $616). Flying from Washington, D.C. to Thailand in December is currently the most expensive (average of $914). 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.
Dulles Intl to Haneda flights
Dulles Intl to Narita flights
Dulles Intl to Suvarnabhumi flights
Reagan-National to Narita flights
Reagan-National to Haneda flights
Dulles Intl to Hyderabad flights
Dulles Intl to New Delhi flights
Dulles Intl to Incheon Intl flights
Dulles Intl to Mumbai flights
Reagan-National to Hyderabad flights
Reagan-National to Suvarnabhumi flights
Dulles Intl to Ho Chi Minh City flights
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Reagan-National to Incheon Intl flights
Dulles Intl to Gimpo Intl flights
Reagan-National to Ahmedabad flights
Reagan-National to Ho Chi Minh City flights
Reagan-National to Bangalore flights
Dulles Intl to Dhaka flights
Reagan-National to Taiwan Taoyuan Intl flights
Dulles Intl to Capital flights
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Reagan-National to Hongqiao Intl flights
Reagan-National to Hong Kong flights
Dulles Intl to Pu Dong flights
Dulles Intl to Kathmandu flights
Dulles Intl to Denpasar flights
Reagan-National to Chennai flights
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Reagan-National to Islamabad flights
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Dulles Intl to Sung Shan flights
Reagan-National to Denpasar flights
Dulles Intl to Singapore flights
Reagan-National to Capital flights
Reagan-National to Pu Dong flights
Reagan-National to Kathmandu flights
Dulles Intl to Colombo flights

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 December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$216Average$1,145FlexibilityNo cancel feeOn-time69%
Air ChinaCheapest$565Average$786FlexibilityNo cancel feeOn-time67%
Air IndiaCheapest$702Average$930FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$743Average$1,301FlexibilityNo cancel feeOn-time81%
Etihad AirwaysCheapest$787Average$1,111FlexibilityNo cancel feeOn-time75%
DeltaCheapest$798Average$1,147FlexibilityNo cancel feeOn-timeN/A
Qatar AirwaysCheapest$840Average$1,268FlexibilityNo cancel feeOn-time68%
Turkish AirlinesCheapest$873Average$1,151FlexibilityNo cancel feeOn-time77%
ANACheapest$895Average$1,196FlexibilityNo cancel feeOn-time80%
JetBlueCheapest$900Average$2,005FlexibilityNo cancel feeOn-time62%

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