฿3,166+ 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 13/4. 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
9 Apr — 16 Apr1
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 10 March 2026.

Good round-trip deal

฿5,275 or less

Good one-way deal

฿2,510 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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Find flights from Washington, D.C.

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 10 March 2026.

Thu 27/815:10
IAD
-
BKK
1 stop40h 00m
เอทิฮัดแอร์เวย์
Mon 14/917:50
BKK
-
IAD
2 stops50h 55m
เอทิฮัดแอร์เวย์
Deal found 10/3฿27,249
Mon 31/815:10
IAD
-
BKK
1 stop21h 40m
เอทิฮัดแอร์เวย์
Thu 29/1008:30
BKK
-
IAD
1 stop36h 35m
เอทิฮัดแอร์เวย์
Deal found 9/3฿27,281
Thu 23/415:10
IAD
-
BKK
1 stop33h 40m
เอทิฮัดแอร์เวย์
Sun 3/515:05
BKK
-
IAD
1 stop29h 40m
เอทิฮัดแอร์เวย์
Deal found 8/3฿27,409
Mon 6/415:10
IAD
-
BKK
1 stop21h 40m
เอทิฮัดแอร์เวย์
Wed 29/415:05
BKK
-
IAD
1 stop29h 40m
เอทิฮัดแอร์เวย์
Deal found 5/3฿27,441
Fri 24/415:10
IAD
-
BKK
1 stop21h 40m
เอทิฮัดแอร์เวย์
Thu 30/403:15
BKK
-
IAD
1 stop41h 30m
เอทิฮัดแอร์เวย์
Deal found 9/3฿27,505
Thu 30/415:10
IAD
-
BKK
1 stop33h 40m
เอทิฮัดแอร์เวย์
Sun 31/521:00
BKK
-
IAD
1 stop23h 45m
เอทิฮัดแอร์เวย์
Deal found 5/3฿27,537
Sun 5/415:10
IAD
-
BKK
1 stop21h 40m
เอทิฮัดแอร์เวย์
Wed 3/609:15
BKK
-
IAD
1 stop35h 30m
เอทิฮัดแอร์เวย์
Deal found 10/3฿27,569
Mon 6/415:10
IAD
-
BKK
1 stop21h 40m
เอทิฮัดแอร์เวย์
Mon 13/409:15
BKK
-
IAD
1 stop35h 30m
เอทิฮัดแอร์เวย์
Deal found 9/3฿27,601
Mon 10/813:20
IAD
-
BKK
1 stop33h 25m
เตอร์กิชแอร์ไลน์
Thu 10/1210:10
BKK
-
IAD
1 stop37h 35m
เตอร์กิชแอร์ไลน์
Deal found 9/3฿27,633
Mon 6/415:10
IAD
-
BKK
1 stop21h 40m
เอทิฮัดแอร์เวย์
Thu 4/615:05
BKK
-
IAD
1 stop29h 40m
เอทิฮัดแอร์เวย์
Deal found 10/3฿27,665
Tue 1/915:10
IAD
-
BKK
1 stop28h 05m
เอทิฮัดแอร์เวย์
Thu 15/1017:50
BKK
-
IAD
2 stops50h 55m
เอทิฮัดแอร์เวย์
Deal found 10/3฿27,697
Thu 23/415:10
IAD
-
CNX
2 stops55h 10m
เอทิฮัดแอร์เวย์
Thu 30/409:30
CNX
-
IAD
1 stop35h 15m
เอทิฮัดแอร์เวย์
Deal found 9/3฿28,912

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 10 March 2026. In the last 7 days, Cheapflights users made a total of 17,341 searches

Fly to

Route

Depart

Return

Price

Cheapest return flight

Washington, D.C.Phuket City

DCA - HKT

DCAHKT

Washington, D.C. Reagan-National

Tue 1/9

17:30-10:50

2 stops30h 20m

Phuket City

Tue 8/9

11:50-21:59

2 stops45h 09m

฿31,119
Fastest return journey

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Wed 2/9

01:15-10:25

1 stop22h 10m

Chiang Mai

Mon 7/9

11:35-22:00

1 stop21h 25m

฿34,158

Washington, D.C.Phuket City

IAD - HKT

IADHKT

Washington, D.C. Dulles Intl

Mon 20/4

20:20-07:45

1 stop24h 25m

Phuket City

Mon 27/4

10:30-16:05

2 stops64h 35m

฿35,213

BaltimoreBangkok

BWI - BKK

BWIBKK

Baltimore/Washington

Sun 30/8

14:35-09:45

2 stops32h 10m

Bangkok Suvarnabhumi

Thu 10/9

02:40-06:30

2 stops38h 50m

฿35,373

BaltimoreBangkok

BWI - BKK

BWIBKK

Baltimore/Washington

Tue 1/9

17:45-09:35

2 stops28h 50m

Bangkok Suvarnabhumi

Wed 30/9

07:00-00:38

3 stops28h 38m

฿35,949

BaltimoreBangkok

BWI - BKK

BWIBKK

Baltimore/Washington

Mon 4/5

08:22-09:35

3 stops38h 13m

Bangkok Suvarnabhumi

Wed 13/5

09:35-11:36

3 stops37h 01m

฿36,013

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

Tue 25/8

10:00-21:45

2 stops24h 45m

Bangkok Suvarnabhumi

Thu 3/9

09:50-23:24

2 stops24h 34m

฿36,173

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

Tue 1/9

10:00-21:45

2 stops24h 45m

Bangkok Suvarnabhumi

Wed 30/9

09:50-23:28

2 stops24h 38m

฿36,173

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Mon 20/4

12:15-04:35

1 stop29h 20m

Bangkok Suvarnabhumi

Mon 27/4

07:00-05:56

2 stops33h 56m

฿36,268

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Sun 6/9

16:00-21:45

2 stops42h 45m

Bangkok Suvarnabhumi

Thu 15/10

09:50-23:33

2 stops24h 43m

฿36,364

Flights are sorted by cheapest return flights first.

Deals found on 9/3

Showing 1-10 of 60 resultsSorted by cheapest first
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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 6 March 2026.

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 ฿19,893). Flying from Washington, D.C. in December will prove the most costly (average of ฿29,328). 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 ฿42,176
เตอร์กิชแอร์ไลน์
เตอร์กิชแอร์ไลน์
From ฿31,494

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 New York (1,156 flights per day), Chicago (872 flights per day) and Atlanta (590 flights per day).

Milwaukee-Mitchell
Milwaukee-Mitchell
From ฿4,973
Mexico City Benito Juarez
Mexico City Benito Juarez
From ฿9,610
Dallas/Fort Worth
Dallas/Fort Worth
From ฿3,150

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 ฿2,510. Explore other affordable destinations below.

Nashville Intl
Nashville Intl
From ฿2,510
Dallas/Fort Worth
Dallas/Fort Worth
From ฿3,150
Milwaukee-Mitchell
Milwaukee-Mitchell
From ฿4,973
Palm Beach Intl
Palm Beach Intl
From ฿5,275

Browse thousands of different options on Cheapflights for your next trip

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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 10 March 2026.

  • 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 Atlanta, Boston, Chicago. While Boston, Atlanta, Chicago 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 ฿25,362; whereas Washington, D.C. Reagan-National airport is typically cheaper if you're flying to Bangkok, from ฿30,320. 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 December 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 ฿25,362

  • 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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