฿2,792+ 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 28/2. 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
15 Mar — 22 Mar1
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 13 February 2026.

Good round-trip deal

฿5,116 or less

Good one-way deal

฿2,435 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 13 February 2026.

Mon 4/515:10
IAD
-
BKK
1 stop21h 40m
เอทิฮัดแอร์เวย์
Mon 11/515:05
BKK
-
IAD
1 stop29h 40m
เอทิฮัดแอร์เวย์
Deal found 10/2฿26,334
Wed 8/415:10
IAD
-
BKK
1 stop21h 40m
เอทิฮัดแอร์เวย์
Wed 15/409:55
BKK
-
IAD
2 stops58h 50m
เอทิฮัดแอร์เวย์
Deal found 9/2฿26,365
Wed 8/415:10
IAD
-
BKK
1 stop28h 05m
เอทิฮัดแอร์เวย์
Wed 22/412:25
BKK
-
IAD
2 stops56h 20m
เอทิฮัดแอร์เวย์
Deal found 13/2฿26,396
Tue 24/214:35
IAD
-
BKK
1 stop20h 50m
เอทิฮัดแอร์เวย์
Mon 18/509:15
BKK
-
IAD
1 stop35h 30m
เอทิฮัดแอร์เวย์
Deal found 10/2฿26,427
Fri 10/713:20
IAD
-
BKK
1 stop44h 50m
AIR PREMIA
Tue 11/822:45
BKK
-
IAD
1 stop23h 05m
AIR PREMIA
Deal found 13/2฿26,458
Fri 8/513:20
IAD
-
BKK
1 stop44h 50m
AIR PREMIA
Thu 21/522:45
BKK
-
IAD
1 stop23h 05m
AIR PREMIA
Deal found 11/2฿26,551
Mon 20/415:10
IAD
-
BKK
1 stop21h 40m
เอทิฮัดแอร์เวย์
Wed 27/515:05
BKK
-
IAD
1 stop29h 40m
เอทิฮัดแอร์เวย์
Deal found 11/2฿26,644
Mon 6/415:10
IAD
-
BKK
1 stop40h 00m
เอทิฮัดแอร์เวย์
Thu 23/409:45
BKK
-
IAD
1 stop35h 00m
เอทิฮัดแอร์เวย์
Deal found 11/2฿26,675
Wed 11/315:35
IAD
-
BKK
1 stop28h 35m
เอทิฮัดแอร์เวย์
Wed 18/317:40
BKK
-
IAD
2 stops51h 25m
เอทิฮัดแอร์เวย์
Deal found 12/2฿26,706
Sun 15/315:35
IAD
-
BKK
1 stop39h 25m
เอทิฮัดแอร์เวย์
Fri 24/409:45
BKK
-
IAD
1 stop35h 00m
เอทิฮัดแอร์เวย์
Deal found 12/2฿26,737
Mon 6/411:30
BWI
-
HKT
2 stops49h 10m
Multiple Airlines
Sun 12/402:25
HKT
-
BWI
2 stops40h 47m
Multiple Airlines
Deal found 12/2฿26,737
Tue 5/515:10
IAD
-
BKK
1 stop21h 40m
เอทิฮัดแอร์เวย์
Wed 20/512:25
BKK
-
IAD
2 stops56h 20m
เอทิฮัดแอร์เวย์
Deal found 10/2฿26,768

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 13 February 2026. 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

Sun 17/5

13:20-21:10

1 stop44h 50m

Bangkok Suvarnabhumi

Sun 31/5

22:45-10:50

1 stop23h 05m

฿26,582

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Sun 7/6

13:20-21:10

1 stop44h 50m

Bangkok Suvarnabhumi

Thu 6/8

22:45-10:50

1 stop23h 05m

฿26,706

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Fri 15/5

13:20-21:10

1 stop44h 50m

Bangkok Suvarnabhumi

Tue 2/6

22:45-10:50

1 stop23h 05m

฿27,202

Washington, D.C.Phuket City

DCA - HKT

DCAHKT

Washington, D.C. Reagan-National

Sat 21/3

19:50-11:20

2 stops52h 30m

Phuket City

Tue 21/4

11:50-19:05

2 stops42h 15m

฿29,839

Washington, D.C.Chiang Mai

DCA - CNX

DCACNX

Washington, D.C. Reagan-National

Tue 21/4

09:59-16:20

2 stops43h 21m

Chiang Mai

Tue 26/5

17:20-20:06

2 stops37h 46m

฿31,514

BaltimoreBangkok

BWI - BKK

BWIBKK

Baltimore/Washington

Mon 23/2

18:26-11:25

2 stops28h 59m

Bangkok Suvarnabhumi

Tue 17/3

16:55-07:19

2 stops25h 24m

฿31,731

Washington, D.C.Phuket City

DCA - HKT

DCAHKT

Washington, D.C. Reagan-National

Sun 3/5

05:55-10:50

2 stops41h 55m

Phuket City

Sat 9/5

11:50-00:30

2 stops47h 40m

฿31,979

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

Tue 3/3

17:00-10:45

2 stops29h 45m

Bangkok Suvarnabhumi

Wed 11/3

02:15-20:05

2 stops28h 50m

฿32,103

BaltimoreBangkok

BWI - BKK

BWIBKK

Baltimore/Washington

Thu 7/5

19:16-09:45

2 stops27h 29m

Bangkok Suvarnabhumi

Wed 20/5

10:50-05:40

2 stops29h 50m

฿32,165

Washington, D.C.Phuket City

IAD - HKT

IADHKT

Washington, D.C. Dulles Intl

Wed 22/4

06:10-10:50

2 stops41h 40m

Phuket City

Wed 6/5

11:50-05:40

2 stops28h 50m

฿32,506

Flights are sorted by cheapest return flights first.

Deals found on 13/2

Showing 1-10 of 60 results
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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 February 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 ฿19,479). Flying from Washington, D.C. in June will prove the most costly (average of ฿33,406). 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 ฿40,902
เตอร์กิชแอร์ไลน์
เตอร์กิชแอร์ไลน์
From ฿30,544

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 (534 flights per day), Chicago (382 flights per day) and Atlanta (318 flights per day).

Seoul
Seoul
From ฿40,902
Milwaukee-Mitchell
Milwaukee-Mitchell
From ฿4,823
Mexico City Benito Juarez
Mexico City Benito Juarez
From ฿9,320

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 ฿2,435. Explore other affordable destinations below.

Nashville Intl
Nashville Intl
From ฿2,435
Dallas/Fort Worth
Dallas/Fort Worth
From ฿3,055
Milwaukee-Mitchell
Milwaukee-Mitchell
From ฿4,823
Palm Beach Intl
Palm Beach Intl
From ฿5,116

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 13 February 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, Mumbai. 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 ฿24,287; whereas Baltimore/Washington airport is typically cheaper if you're flying to Bangkok, from ฿27,885. 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 ฿24,287

  • 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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