Thailand (ภาษาไทย)
ภาษาไทย

฿2,737+ 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 19/1. 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
6 Jan — 13 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 7 December 2025.

Good round-trip deal

฿5,249 or less

Good one-way deal

฿2,498 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 7 December 2025.

Tue 20/114:35IAD - BKK
1 stop20h 50mเอทิฮัดแอร์เวย์
Tue 3/208:55BKK - IAD
1 stop36h 10mเอทิฮัดแอร์เวย์
Deal found 6/12฿27,560
Thu 15/114:35IAD - BKK
1 stop20h 50mเอทิฮัดแอร์เวย์
Thu 29/108:55BKK - IAD
1 stop36h 10mเอทิฮัดแอร์เวย์
Deal found 5/12฿27,591
Tue 7/415:35IAD - BKK
1 stop21h 20mเอทิฮัดแอร์เวย์
Wed 22/412:25BKK - IAD
2 stops56h 20mเอทิฮัดแอร์เวย์
Deal found 7/12฿27,623
Fri 10/415:35IAD - BKK
1 stop21h 20mเอทิฮัดแอร์เวย์
Mon 20/409:55BKK - IAD
2 stops58h 50mเอทิฮัดแอร์เวย์
Deal found 5/12฿27,655
Sat 28/213:30IAD - BKK
1 stop26h 50mเตอร์กิชแอร์ไลน์
Fri 20/310:10BKK - IAD
1 stop37h 35mเตอร์กิชแอร์ไลน์
Deal found 5/12฿27,719
Wed 21/114:35IAD - BKK
1 stop20h 50mเอทิฮัดแอร์เวย์
Mon 16/219:35BKK - IAD
2 stops49h 30mเอทิฮัดแอร์เวย์
Deal found 6/12฿27,751
Sat 14/318:30IAD - BKK
2 stops26h 40mMultiple Airlines
Wed 25/312:15BKK - IAD
1 stop38h 25mMultiple Airlines
Deal found 5/12฿27,782
Thu 22/114:35IAD - BKK
1 stop20h 50mเอทิฮัดแอร์เวย์
Tue 3/208:55BKK - IAD
1 stop36h 10mเอทิฮัดแอร์เวย์
Deal found 6/12฿27,814
Wed 21/114:35IAD - BKK
1 stop20h 50mเอทิฮัดแอร์เวย์
Fri 30/108:05BKK - IAD
2 stops61h 00mเอทิฮัดแอร์เวย์
Deal found 5/12฿27,878
Fri 20/214:35IAD - BKK
1 stop40h 10mเอทิฮัดแอร์เวย์
Mon 2/308:55BKK - IAD
1 stop36h 10mเอทิฮัดแอร์เวย์
Deal found 5/12฿27,910
Wed 11/315:35IAD - BKK
1 stop20h 50mเอทิฮัดแอร์เวย์
Mon 16/320:05BKK - IAD
1 stop25h 00mเอทิฮัดแอร์เวย์
Deal found 7/12฿27,941
Tue 20/114:35IAD - BKK
1 stop20h 50mเอทิฮัดแอร์เวย์
Wed 28/119:35BKK - IAD
2 stops49h 30mเอทิฮัดแอร์เวย์
Deal found 5/12฿28,005

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 7 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

Wed 21/1

10:40-19:25

1 stop20h 45m

Bangkok Suvarnabhumi

Tue 24/2

02:00-15:55

1 stop25h 55m

฿29,374

Washington, D.C.Phuket City

DCA - HKT

DCAHKT

Washington, D.C. Reagan-National

Sun 25/1

20:55-11:20

2 stops26h 25m

Phuket City

Wed 4/2

18:35-22:59

2 stops40h 24m

฿29,469

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Fri 6/2

14:35-09:25

2 stops30h 50m

Chiang Mai

Sat 21/2

08:50-09:05

1 stop36h 15m

฿29,469

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

฿29,469

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

Mon 19/1

06:05-00:45

2 stops30h 40m

Bangkok Suvarnabhumi

Mon 2/3

00:55-12:02

2 stops23h 07m

฿29,533

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

Wed 18/3

20:45-00:55

2 stops41h 10m

Bangkok Suvarnabhumi

Tue 21/4

09:50-22:20

2 stops47h 30m

฿29,533

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

Mon 9/3

06:05-23:20

2 stops30h 15m

Bangkok Suvarnabhumi

Sun 15/3

02:05-22:42

2 stops31h 37m

฿29,533

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

Mon 9/3

09:40-00:55

2 stops28h 15m

Bangkok Suvarnabhumi

Wed 18/3

09:40-23:39

2 stops24h 59m

฿29,533

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Tue 20/1

07:00-00:45

2 stops29h 45m

Bangkok Suvarnabhumi

Wed 4/3

09:40-23:10

2 stops25h 30m

฿29,533

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Mon 9/3

06:00-23:20

2 stops30h 20m

Bangkok Suvarnabhumi

Tue 17/3

02:05-23:49

2 stops32h 44m

฿29,533

Flights are sorted by cheapest return flights first.

Deals found on 5/12

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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 5 December 2025.

Booking 16 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 ฿19,985). Flying from Washington, D.C. in June will prove the most costly (average of ฿34,752). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

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 (1,175 flights per day), Chicago (909 flights per day) and Detroit (540 flights per day).

Milwaukee-Mitchell
Milwaukee-Mitchell
From ฿4,948
Mexico City Benito Juarez
Mexico City Benito Juarez
From ฿9,562

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 ฿2,498. Explore other affordable destinations below.

Nashville Intl
Nashville Intl
From ฿2,498
Dallas/Fort Worth
Dallas/Fort Worth
From ฿3,134
Milwaukee-Mitchell
Milwaukee-Mitchell
From ฿4,948
Palm Beach Intl
Palm Beach Intl
From ฿5,249

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 Las Vegas
Direct flights from Orlando
Direct flights from Seattle
Direct flights from Salt Lake City
Direct flights from Portland
Direct flights from Minneapolis
Direct flights from Miami
Direct flights from Denver
Direct flights from Honolulu
Direct flights from Atlanta
Direct flights from Austin
Direct flights from San Diego
Direct flights from Charlotte
Direct flights from Philadelphia
Direct flights from St. Louis
Direct flights from New Orleans
Direct flights from Nashville
Direct flights from Tampa
Direct flights from Rochester
Direct flights from Fort Lauderdale
Direct flights from Cleveland
Direct flights from Anchorage
Direct flights from Charleston
Direct flights from Kansas City
Direct flights from Oklahoma City
Direct flights from Bozeman
Direct flights from San Antonio

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 7 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, Bangkok Suvarnabhumi Airport. 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 ฿26,318; whereas Washington, D.C. Reagan-National airport is typically cheaper if you're flying to Bangkok, from ฿29,533. 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 ฿26,318

  • 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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