฿3,155+ 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 11/4. 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
22 Apr — 29 Apr1
1 adult
1 adult, Economy, 0 bags

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 23 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.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Mon 31/8

06:10-10:00

2 stops40h 50m

Bangkok Suvarnabhumi

Fri 2/10

12:35-05:00

2 stops27h 25m

฿34,345

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

Fri 11/9

18:59-09:45

2 stops27h 46m

Bangkok Suvarnabhumi

Fri 25/9

17:30-20:00

2 stops37h 30m

฿35,824
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

฿36,975

Washington, D.C.Phuket City

DCA - HKT

DCAHKT

Washington, D.C. Reagan-National

Mon 31/8

17:04-19:15

2 stops39h 11m

Phuket City

Tue 8/9

09:25-20:00

2 stops45h 35m

฿37,369

BaltimoreChiang Mai

BWI - CNX

BWICNX

Baltimore/Washington

Mon 4/5

15:05-10:20

2 stops32h 15m

Chiang Mai

Mon 11/5

11:20-05:44

2 stops29h 24m

฿37,895

BaltimoreChiang Mai

BWI - CNX

BWICNX

Baltimore/Washington

Sat 8/8

17:45-10:20

2 stops29h 35m

Chiang Mai

Thu 3/9

11:20-06:21

2 stops30h 01m

฿40,064

BaltimoreBangkok

BWI - BKK

BWIBKK

Baltimore/Washington

Mon 4/5

18:35-09:35

2 stops28h 00m

Bangkok Suvarnabhumi

Mon 25/5

15:45-17:33

3 stops36h 48m

฿40,623

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Wed 22/4

17:55-09:35

2 stops28h 40m

Bangkok Suvarnabhumi

Thu 7/5

15:45-05:40

2 stops24h 55m

฿40,952

BaltimoreBangkok

BWI - BKK

BWIBKK

Baltimore/Washington

Thu 17/9

08:26-09:35

3 stops38h 09m

Bangkok Suvarnabhumi

Wed 23/9

15:45-10:19

3 stops29h 34m

฿41,017

Washington, D.C.Phuket City

IAD - HKT

IADHKT

Washington, D.C. Dulles Intl

Tue 21/4

10:55-20:00

1 stop22h 05m

Phuket City

Mon 27/4

10:20-08:40

2 stops33h 20m

฿41,182

Flights are sorted by cheapest return flights first.

Deals found on 22/3

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 13 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 ฿20,607). Flying from Washington, D.C. in December will prove the most costly (average of ฿30,138). 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 ฿43,341
เตอร์กิชแอร์ไลน์
เตอร์กิชแอร์ไลน์
From ฿32,364

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 (1,088 flights per day), Chicago (949 flights per day) and Atlanta (609 flights per day).

Seoul
Seoul
From ฿17,994
Milwaukee-Mitchell
Milwaukee-Mitchell
From ฿5,110
Mexico City Benito Juarez
Mexico City Benito Juarez
From ฿9,876

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 ฿2,580. Explore other affordable destinations below.

Nashville Intl
Nashville Intl
From ฿2,580
Dallas/Fort Worth
Dallas/Fort Worth
From ฿3,237
Fort Lauderdale
Fort Lauderdale
From ฿5,003
Milwaukee-Mitchell
Milwaukee-Mitchell
From ฿5,110

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 23 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 ฿26,589; whereas Washington, D.C. Reagan-National airport is typically cheaper if you're flying to Bangkok, from ฿30,270. 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 ฿26,589

  • 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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