Find flights
Airlines

฿3,814+ 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 1/7. 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
17 Jun — 24 Jun1
1 adult

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 12 June 2025.

Good round-trip deal

฿8,767 or less

Good one-way deal

฿2,558 or less
Price to beat on a round-trip flight from Washington, D.C..
Price to beat on a one-way flight from Washington, D.C..

Find flights from Washington, D.C.

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 12 June 2025.

Tue 21/1023:00IAD - HKT
1 stop31h 45mAir China
Thu 30/1018:25HKT - IAD
1 stop36h 05mAir China
Deal found 11/6฿25,523
Sun 14/906:26BWI - BKK
2 stops28h 59mMultiple Airlines
Sat 20/923:20BKK - BWI
2 stops32h 42mMultiple Airlines
Deal found 10/6฿29,500
Wed 17/911:00IAD - HKT
1 stop21h 05mAir India
Mon 22/909:05HKT - IAD
1 stop33h 35mAir India
Deal found 11/6฿29,761
Mon 1/912:25IAD - CNX
2 stops38h 20mMultiple Airlines
Tue 30/915:30CNX - IAD
2 stops29h 35mMultiple Airlines
Deal found 11/6฿30,347
Tue 30/912:25IAD - HKT
2 stops34h 10mMultiple Airlines
Tue 7/1010:20HKT - IAD
2 stops34h 45mMultiple Airlines
Deal found 10/6฿30,999
Mon 1/1208:00DCA - BKK
2 stops28h 05mUnited Airlines
Fri 12/1209:25BKK - DCA
2 stops23h 13mUnited Airlines
Deal found 10/6฿31,847
Mon 7/706:32IAD - BKK
2 stops30h 23mUnited Airlines
Sat 19/709:35BKK - IAD
2 stops31h 27mUnited Airlines
Deal found 10/6฿31,847
Tue 22/707:59DCA - BKK
2 stops28h 26mเดลต้า
Tue 12/823:30BKK - DCA
2 stops26h 20mเดลต้า
Deal found 11/6฿31,879
Wed 29/1007:00IAD - BKK
2 stops30h 45mเดลต้า
Sun 16/1101:00BKK - IAD
2 stops34h 15mเดลต้า
Deal found 11/6฿31,879
Wed 19/1111:50IAD - HKT
1 stop45h 50mKorean Air
Tue 16/1223:20HKT - IAD
1 stop22h 30mKorean Air
Deal found 10/6฿31,879
Sun 2/1117:10IAD - BKK
2 stops42h 10mKorean Air
Thu 27/1101:00BKK - IAD
2 stops27h 31mKorean Air
Deal found 11/6฿31,912
Sat 20/921:40IAD - BKK
1 stop20h 35mเตอร์กิชแอร์ไลน์
Wed 24/906:45BKK - IAD
1 stop24h 00mเตอร์กิชแอร์ไลน์
Deal found 11/6฿32,042

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 12 June 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.Phuket City

IAD - HKT

IADHKT

Washington, D.C. Dulles Intl

Tue 21/10

23:00-17:45

1 stop31h 45m

Phuket City

Thu 30/10

18:25-19:30

1 stop36h 05m

฿25,523

BaltimoreBangkok

BWI - BKK

BWIBKK

Baltimore/Washington

Sun 14/9

06:26-22:25

2 stops28h 59m

Bangkok Suvarnabhumi

Sat 20/9

23:20-21:02

2 stops32h 42m

฿29,500

Washington, D.C.Phuket City

IAD - HKT

IADHKT

Washington, D.C. Dulles Intl

Wed 17/9

11:00-19:05

1 stop21h 05m

Phuket City

Mon 22/9

09:05-07:40

1 stop33h 35m

฿29,761

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Mon 1/9

12:25-13:45

2 stops38h 20m

Chiang Mai

Tue 30/9

15:30-10:05

2 stops29h 35m

฿30,347

Washington, D.C.Phuket City

IAD - HKT

IADHKT

Washington, D.C. Dulles Intl

Tue 30/9

12:25-09:35

2 stops34h 10m

Phuket City

Tue 7/10

10:20-10:05

2 stops34h 45m

฿30,999

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

Mon 1/12

08:00-00:05

2 stops28h 05m

Bangkok Suvarnabhumi

Fri 12/12

09:25-20:38

2 stops23h 13m

฿31,847

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Mon 7/7

06:32-23:55

2 stops30h 23m

Bangkok Suvarnabhumi

Sat 19/7

09:35-06:02

2 stops31h 27m

฿31,847

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

Tue 22/7

07:59-23:25

2 stops28h 26m

Bangkok Suvarnabhumi

Tue 12/8

23:30-14:50

2 stops26h 20m

฿31,879

Washington, D.C.Phuket City

IAD - HKT

IADHKT

Washington, D.C. Dulles Intl

Wed 19/11

11:50-21:40

1 stop45h 50m

Phuket City

Tue 16/12

23:20-09:50

1 stop22h 30m

฿31,879

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Wed 29/10

07:00-00:45

2 stops30h 45m

Bangkok Suvarnabhumi

Mon 17/11

21:30-23:15

2 stops37h 45m

฿31,879

Flights are sorted by cheapest return flights first.

Deals found on 10/6

Showing 1-10 of 60 results
1
2
3
...
6

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 9 June 2025.

Booking 85 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 ฿20,471). Flying from Washington, D.C. in June will prove the most costly (average of ฿36,247). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Airline reviews for flights from Washington, D.C.

Get insights into the airlines that provide service from Washington, D.C.. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from Washington, D.C.. In the last 7 days, Cheapflights users made a total of 17,341 searches.

Entertainment

8.0

Crew

8.6

Overall

8.4

Food

8.1

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Entertainment

8.0

Crew

8.6

Overall

8.4

Food

8.1

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Entertainment

8.0

Crew

8.6

Overall

8.4

Food

8.1

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Entertainment

8.0

Crew

8.6

Overall

8.4

Food

8.1

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Entertainment

8.0

Crew

8.6

Overall

8.4

Food

8.1

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
8.3
Very Good

Entertainment

8.0

Crew

8.6

Overall

8.4

Food

8.1

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

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.

Fly your favourite airline from Washington, D.C.

Browse through various options for flying your favourite airline from Washington, D.C.. Flight routes are based on user searches made on Cheapflights and were last updated on 12 June 2025.

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 12 June 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 Boston, Athens, Atlanta. 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 ฿27,772; whereas Baltimore/Washington airport is typically cheaper if you're flying to Bangkok, from ฿30,217. 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 ฿27,772

  • 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.

See more FAQs

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.