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$443+ 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 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — BKK
Feb 4 — Feb 111
Tue 2/4
Tue 2/11
1 adult, Economy
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Cheap flight deals from Washington, D.C. to Thailand

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Thailand (TH0). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 30, 2025.

Round-trip from

$970
(Mytrip)

One-way from

$443
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$1,267
From Washington, D.C. (WAS) to Thailand
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One-way flight from Washington, D.C. (WAS) to Thailand
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Highest demand for flights based on searches. 7% potential increase in price ($103 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in January 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 January 30, 2025.

This FlightHub deal was found by Cheapflights users on 1/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/289:30 pmIAD - BKK
1 stop38h 00mEtihad Airways
Wed 12/108:25 pmBKK - IAD
1 stop31h 40mEtihad Airways
Deal found 1/29$970
This FlightHub deal was found by Cheapflights users on 1/30. 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 3/22:00 pmIAD - BKK
1 stop26h 40mTurkish Airlines
Tue 3/1810:50 pmBKK - IAD
1 stop25h 15mTurkish Airlines
Deal found 1/30$974
This Mytrip deal was found by Cheapflights users on 1/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/81:45 pmBWI - BKK
3 stops35h 30mMultiple Airlines
Thu 4/241:30 pmBKK - BWI
2 stops35h 25mMultiple Airlines
Deal found 1/30$978
This oojo deal was found by Cheapflights users on 1/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/196:00 pmIAD - BKK
2 stops37h 10mAir China
Fri 4/251:30 amBKK - IAD
1 stop25h 10mAir China
Deal found 1/29$981
This CheapOair deal was found by Cheapflights users on 1/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1811:00 amIAD - BKK
1 stop22h 00mAir India
Mon 3/315:55 pmBKK - IAD
1 stop24h 45mAir India
Deal found 1/30$990
This Etihad Airways deal was found by Cheapflights users on 1/30. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1110:30 pmIAD - DMK
2 stops25h 35mMultiple Airlines
Wed 3/269:05 amDMK - IAD
2 stops43h 20mMultiple Airlines
Deal found 1/30$1,017
This CheapOair deal was found by Cheapflights users on 1/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1011:00 amIAD - BKK
1 stop33h 40mMultiple Airlines
Wed 9/248:10 pmBKK - IAD
2 stops55h 09mMultiple Airlines
Deal found 1/30$1,065
This oojo deal was found by Cheapflights users on 1/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/38:05 pmIAD - HKT
1 stop22h 45mQatar Airways
Mon 3/108:20 amHKT - IAD
1 stop43h 35mQatar Airways
Deal found 1/29$1,066
This FlightHub deal was found by Cheapflights users on 1/30. 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.
Mon 3/36:48 pmIAD - BKK
2 stops37h 12mSingapore Airlines
Sun 3/239:10 pmBKK - IAD
2 stops43h 30mSingapore Airlines
Deal found 1/30$1,068
This oojo deal was found by Cheapflights users on 1/30. 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.
Thu 3/69:30 pmIAD - HKT
1 stop38h 05mEtihad Airways
Sat 3/152:50 amHKT - IAD
1 stop25h 35mEtihad Airways
Deal found 1/30$1,078
This Mytrip deal was found by Cheapflights users on 1/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/1710:28 amBWI - DMK
3 stops35h 17mMultiple Airlines
Mon 2/246:30 pmDMK - BWI
3 stops33h 21mMultiple Airlines
Deal found 1/30$1,134
This Turkish Airlines deal was found by Cheapflights users on 1/28. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2910:25 pmIAD - HKT
1 stop30h 20mTurkish Airlines
Mon 11/37:40 pmHKT - IAD
2 stops35h 50mTurkish Airlines
Deal found 1/28$1,138

Find flights from Washington, D.C. to Thailand within your budget

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 January 30, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Thu 3/6

9:30 pm-11:35 pm

1 stop38h 05m

Bangkok Suvarnabhumi

Thu 3/20

2:15 am-5:25 pm

1 stop26h 10m

$970

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Sun 3/2

2:00 pm-4:40 am

1 stop26h 40m

Bangkok Suvarnabhumi

Tue 3/18

10:50 pm-1:05 pm

1 stop25h 15m

$974

BaltimoreBangkok

BWI - BKK

BWIBKK

Baltimore/Washington

Tue 4/8

1:45 pm-12:15 pm

3 stops35h 30m

Bangkok Suvarnabhumi

Thu 4/24

1:30 pm-1:55 pm

2 stops35h 25m

$978

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Sat 4/19

6:00 pm-6:10 pm

2 stops37h 10m

Bangkok Suvarnabhumi

Fri 4/25

1:30 am-3:40 pm

1 stop25h 10m

$981

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Tue 3/18

11:00 am-8:00 pm

1 stop22h 00m

Bangkok Suvarnabhumi

Mon 3/31

5:55 pm-7:40 am

1 stop24h 45m

$990

Washington, D.C.Bangkok

IAD - DMK

IADDMK

Washington, D.C. Dulles Intl

Tue 3/11

10:30 pm-11:05 am

2 stops25h 35m

Bangkok Don Mueang Intl

Wed 3/26

9:05 am-5:25 pm

2 stops43h 20m

$1,017

Washington, D.C.Phuket City

IAD - HKT

IADHKT

Washington, D.C. Dulles Intl

Wed 3/19

9:05 pm-12:55 pm

1 stop28h 50m

Phuket City

Mon 3/24

12:50 am-4:55 pm

1 stop27h 05m

$1,063

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Mon 3/3

6:48 pm-8:00 pm

2 stops37h 12m

Bangkok Suvarnabhumi

Sun 3/23

9:10 pm-5:40 am

2 stops43h 30m

$1,068

Washington, D.C.Phuket City

IAD - HKT

IADHKT

Washington, D.C. Dulles Intl

Thu 3/6

9:30 pm-11:35 pm

1 stop38h 05m

Phuket City

Sat 3/15

2:50 am-5:25 pm

1 stop25h 35m

$1,078

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

Mon 2/24

9:00 am-10:40 am

2 stops37h 40m

Bangkok Suvarnabhumi

Tue 3/4

5:40 pm-8:59 pm

2 stops39h 19m

$1,126

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/30

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.

Travel insights for flights from Washington, D.C. to Thailand

Get recent, data-driven insights about flights from Washington, D.C. to Thailand including ideal travel times, pricing trends, and more.

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

Currently, October is the cheapest month in which you can book a flight from Washington, D.C. to Thailand (average of $996). Flying from Washington, D.C. to Thailand in June is currently the most expensive (average of $1,585). 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 January 30, 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.

Rainfall in Thailand by month

Plan your trip to Thailand by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Thailand ranges from 0.4 - 12.6 inches per month. September is typically the wettest month, when rainfall can reach 12.6 in. January is typically the driest time to visit Thailand when rainfall is around 0.4 in.

Temperature in Thailand by month

Plan your trip to Thailand by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Thailand, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 86.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 78.8 F).

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 January 30, 2025.
Read through reviews of airlines operating flights from Washington, D.C. to Thailand, such as Korean Air, ANA and Japan Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.5
Very good
1,034 reviews

Boarding

8.5

Comfort

8.3

Crew

8.7

Entertainment

8.2

Overall

8.5

Food

8.1

Reviews

1 / 20

10.0
Excellent

David,Dec 2024

JFK - MCO

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Korean Air
8.5
Very good
1,034 reviews
Korean Air
8.5
Very good
1,034 reviews

Boarding

8.5

Comfort

8.3

Crew

8.7

Entertainment

8.2

Overall

8.5

Food

8.1

Reviews

1 / 20

10.0
Excellent

David,Dec 2024

JFK - MCO

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

ANA
8.4
Very good
844 reviews
Korean Air
8.5
Very good
1,034 reviews

Boarding

8.5

Comfort

8.3

Crew

8.7

Entertainment

8.2

Overall

8.5

Food

8.1

Reviews

1 / 20

10.0
Excellent

David,Dec 2024

JFK - MCO

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Japan Airlines
8.3
Very good
1,445 reviews
Korean Air
8.5
Very good
1,034 reviews

Boarding

8.5

Comfort

8.3

Crew

8.7

Entertainment

8.2

Overall

8.5

Food

8.1

Reviews

1 / 20

10.0
Excellent

David,Dec 2024

JFK - MCO

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Asiana Airlines
8.3
Very good
462 reviews
Korean Air
8.5
Very good
1,034 reviews

Boarding

8.5

Comfort

8.3

Crew

8.7

Entertainment

8.2

Overall

8.5

Food

8.1

Reviews

1 / 20

10.0
Excellent

David,Dec 2024

JFK - MCO

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Singapore Airlines
8.1
Very good
1,317 reviews
Korean Air
8.5
Very good
1,034 reviews

Boarding

8.5

Comfort

8.3

Crew

8.7

Entertainment

8.2

Overall

8.5

Food

8.1

Reviews

1 / 20

10.0
Excellent

David,Dec 2024

JFK - MCO

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

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 $549 on Air India. Other airlines that offer cheap prices include Turkish Airlines from $550 and Qatar Airways from $554 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, October is the cheapest month in which you can book a flight from Washington, D.C. to Thailand (average of $996). Flying from Washington, D.C. to Thailand in June is currently the most expensive (average of $1,585). 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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Reagan-National to Singapore 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 January 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
SAUDIACheapest$687Average$836FlexibilityNo cancel feeOn-time86%
Air IndiaCheapest$700Average$828FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$921Average$1,099FlexibilityNo cancel feeOn-time77%
Etihad AirwaysCheapest$924Average$1,130FlexibilityNo cancel feeOn-time75%
Alaska AirlinesCheapest$936Average$1,227FlexibilityNo cancel feeOn-time75%
Qatar AirwaysCheapest$954Average$1,310FlexibilityNo cancel feeOn-time68%
JetBlueCheapest$1,001Average$1,167FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$1,065Average$1,414FlexibilityNo cancel feeOn-time71%
Korean AirCheapest$1,112Average$1,506FlexibilityNo cancel feeOn-time81%
Cathay PacificCheapest$1,134Average$1,357FlexibilityNo cancel feeOn-time72%
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