฿2,701+ Cheap flights from Washington, D.C.

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/2. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
WAS — BKK
24 Jan — 31 Jan1
1 adult
1 adult, Economy, 0 bags

What to know about flights from Washington, D.C.

Discover essential information about flights departing from Washington, D.C., including flight schedules, destinations, airlines operating at the Washington, D.C. airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 25 December 2025.

Good round-trip deal

฿5,121 or less

Good one-way deal

฿2,437 or less
Price to beat on a round-trip flight from Washington, D.C..
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Price to beat on a one-way flight from Washington, D.C..
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Enter your travel dates to find the best prices.

Cheapest flights from Washington, D.C.
Explore the most affordable flight options available from Washington, D.C.. Find the lowest fares based on data from user searches, with prices last updated on 25 December 2025.

Fri 27/214:35IAD - BKK
1 stop20h 50mเอทิฮัดแอร์เวย์
Tue 24/302:55BKK - IAD
1 stop42h 10mเอทิฮัดแอร์เวย์
Deal found 24/12฿27,166
Mon 16/214:35IAD - BKK
1 stop28h 35mเอทิฮัดแอร์เวย์
Mon 30/309:55BKK - IAD
2 stops58h 50mเอทิฮัดแอร์เวย์
Deal found 24/12฿27,228
Tue 27/114:35IAD - BKK
1 stop20h 50mเอทิฮัดแอร์เวย์
Sat 7/210:00BKK - IAD
2 stops59h 05mเอทิฮัดแอร์เวย์
Deal found 24/12฿27,290
Tue 20/114:35IAD - BKK
1 stop27h 20mเอทิฮัดแอร์เวย์
Sun 1/202:55BKK - IAD
1 stop42h 10mเอทิฮัดแอร์เวย์
Deal found 24/12฿27,321
Sat 21/220:05IAD - BKK
1 stop28h 10mQatar Airways
Tue 3/302:00BKK - IAD
1 stop25h 55mQatar Airways
Deal found 24/12฿27,352
Sun 18/114:35IAD - BKK
1 stop20h 50mเอทิฮัดแอร์เวย์
Sat 31/119:35BKK - IAD
2 stops49h 30mเอทิฮัดแอร์เวย์
Deal found 24/12฿27,383
Fri 30/110:40IAD - BKK
1 stop20h 45mQatar Airways
Tue 10/208:15BKK - IAD
1 stop43h 40mQatar Airways
Deal found 24/12฿27,414
Thu 5/314:35IAD - BKK
1 stop20h 50mเอทิฮัดแอร์เวย์
Fri 27/308:05BKK - IAD
2 stops60h 40mเอทิฮัดแอร์เวย์
Deal found 23/12฿27,445
Mon 2/214:35IAD - BKK
1 stop27h 20mเอทิฮัดแอร์เวย์
Mon 9/219:35BKK - IAD
2 stops49h 30mเอทิฮัดแอร์เวย์
Deal found 23/12฿27,476
Mon 9/220:05IAD - BKK
1 stop22h 35mQatar Airways
Thu 19/218:55BKK - IAD
1 stop33h 00mQatar Airways
Deal found 24/12฿27,507
Wed 28/110:40IAD - BKK
1 stop20h 45mQatar Airways
Wed 25/209:05BKK - IAD
1 stop42h 50mQatar Airways
Deal found 25/12฿27,538
Fri 27/214:35IAD - BKK
1 stop20h 50mเอทิฮัดแอร์เวย์
Fri 27/317:40BKK - IAD
2 stops51h 05mเอทิฮัดแอร์เวย์
Deal found 24/12฿27,569

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

 
Find flights departing from Washington, D.C. that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 25 December 2025. In the last 7 days, Cheapflights users made a total of 17,341 searches

Fly to

Suvarnabhumi

Route

Depart

Return

Price

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Mon 2/2

14:35-05:55

1 stop27h 20m

Bangkok Suvarnabhumi

Mon 9/2

19:35-09:05

2 stops49h 30m

฿27,476

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Wed 11/2

14:35-05:55

1 stop27h 20m

Bangkok Suvarnabhumi

Thu 12/3

08:55-10:05

1 stop36h 10m

฿27,973

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Fri 13/3

15:35-07:10

1 stop28h 35m

Bangkok Suvarnabhumi

Sat 28/3

17:40-09:45

2 stops51h 05m

฿28,190

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Fri 13/3

15:35-11:20

2 stops32h 45m

Chiang Mai

Sat 28/3

08:50-09:45

1 stop35h 55m

฿28,501

Washington, D.C.Phuket City

DCA - HKT

DCAHKT

Washington, D.C. Reagan-National

Mon 16/3

06:00-19:30

2 stops26h 30m

Phuket City

Wed 25/3

09:10-22:59

2 stops48h 49m

฿28,687

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

Tue 20/1

10:15-00:55

2 stops50h 40m

Bangkok Suvarnabhumi

Mon 2/2

09:40-22:00

2 stops24h 20m

฿28,811

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

Mon 2/3

07:35-23:20

2 stops27h 45m

Bangkok Suvarnabhumi

Mon 9/3

02:05-23:39

2 stops32h 34m

฿28,811

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

Tue 28/4

09:40-23:40

2 stops27h 00m

Bangkok Suvarnabhumi

Mon 11/5

21:40-16:29

2 stops29h 49m

฿28,811

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

Wed 11/3

06:00-23:20

2 stops30h 20m

Bangkok Suvarnabhumi

Tue 24/3

02:05-22:42

2 stops31h 37m

฿28,811

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Mon 9/3

07:20-23:20

2 stops29h 00m

Bangkok Suvarnabhumi

Tue 24/3

09:40-23:49

2 stops25h 09m

฿28,811

Flights are sorted by cheapest return flights first.

Deals found on 24/12

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Best time to book a flight from Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly from Washington, D.C. with our price prediction graph.
Estimated return 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.

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

When is the best time to book a flight from Washington, D.C.?

Use this chart to determine the optimal time to book a return flight from Washington, D.C. to Suvarnabhumi. Price data was last updated on 19 December 2025.

Booking 27 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C.. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, May is the cheapest month in which you can book a flight from Washington, D.C. (average of ฿19,497). Flying from Washington, D.C. in June will prove the most costly (average of ฿33,903). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Which airlines fly from Washington, D.C.?

Many airlines operate round-trip flights from Washington, D.C.: Korean Air, เตอร์กิชแอร์ไลน์. These airlines fly to the following popular destinations: Bangkok.

Korean Air
Korean Air
From ฿40,941
เตอร์กิชแอร์ไลน์
เตอร์กิชแอร์ไลน์
From ฿30,572

What are popular destinations to fly to from Washington, D.C.?

If you’re flying from Washington, D.C., these routes are more frequently taken by airlines Chicago (740 flights per day), Orlando (590 flights per day) and Atlanta (529 flights per day).

Seoul
Seoul
From ฿40,941
Milwaukee-Mitchell
Milwaukee-Mitchell
From ฿4,827
Mexico City Benito Juarez
Mexico City Benito Juarez
From ฿9,329

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

The cheapest city to fly to from Washington, D.C. is Nashville Intl, with prices starting at ฿2,437. Explore other affordable destinations below.

Nashville Intl
Nashville Intl
From ฿2,437
Dallas/Fort Worth
Dallas/Fort Worth
From ฿3,057
Milwaukee-Mitchell
Milwaukee-Mitchell
From ฿4,827
Palm Beach Intl
Palm Beach Intl
From ฿5,121

Browse thousands of different options on Cheapflights for your next trip

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Direct flights from District of Columbia

Book a direct flight from one of these other cities located in District of Columbia.
Direct flights from Los Angeles
Direct flights from San Francisco
Direct flights from Boston
Direct flights from Orlando
Direct flights from Las Vegas
Direct flights from Seattle
Direct flights from Salt Lake City
Direct flights from Minneapolis
Direct flights from Miami
Direct flights from Atlanta
Direct flights from Denver
Direct flights from Honolulu
Direct flights from Portland
Direct flights from San Diego
Direct flights from Austin
Direct flights from Charlotte
Direct flights from Tampa
Direct flights from Nashville
Direct flights from St. Louis
Direct flights from Rochester
Direct flights from New Orleans
Direct flights from Philadelphia
Direct flights from Cleveland
Direct flights from Fort Lauderdale
Direct flights from Anchorage
Direct flights from Kansas City
Direct flights from Charleston
Direct flights from Bozeman
Direct flights from Norfolk
Direct flights from Oklahoma City

Related info for your journey

Access useful and relevant information related to your journey from Washington, D.C.. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 25 December 2025.

  • What are the most popular destinations to fly to from Washington, D.C.?

    The most selected flight destinations from Washington, D.C. for the current month are Mumbai, Atlanta, Boston. While Boston, Atlanta, Athens are the top choices made by travellers year-round.

  • Which is the cheapest airport to catch a flight from Washington, D.C.?

    Washington, D.C. Dulles Intl airport offers the cheapest routes to Bangkok, from ฿25,551; whereas Baltimore/Washington airport is typically cheaper if you're flying to Bangkok, from ฿28,438. It's best to make sure you are flexible on dates to find the cheapest possible flight options for your journey.

  • What is the cheapest month to fly from Washington, D.C.?

    At the present moment the cheapest month to fly from Washington, D.C. is currently May; with June being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • Where are the cheapest places to fly to from Washington, D.C.?

    Here are some of the cheapest flight destinations from Washington, D.C.:
    Fly from Washington, D.C. to Bangkok from ฿25,551

  • How does Cheapflights help users find flights from Washington, D.C.?

    Cheapflights helps you search for flights from Washington, D.C. via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

  • Why should you use Cheapflights to find cheap flight tickets from Washington, D.C.?

    By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights from Washington, D.C..

  • Can Cheapflights find flights from Washington, D.C. with no change fees?

    Yes! Cheapflights helps users easily find flights from Washington, D.C. with no change fees.

  • Can Cheapflights notify me if prices for flights from Washington, D.C. become cheaper?

    Not ready to book yet? You can track prices for flights from Washington, D.C. on Cheapflights with our Price Alerts feature and get notified when better prices are available.

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How does Cheapflights help users find flights from Washington, D.C.?

Cheapflights helps you search for flights from Washington, D.C. via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Washington, D.C.?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights from Washington, D.C..

Can Cheapflights find flights from Washington, D.C. with no change fees?

Yes! Cheapflights helps users easily find flights from Washington, D.C. with no change fees.

Can Cheapflights notify me if prices for flights from Washington, D.C. become cheaper?

Not ready to book yet? You can track prices for flights from Washington, D.C. on Cheapflights with our Price Alerts feature and get notified when better prices are available.

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