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฿3,703+ 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 14/6. 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
28 May — 4 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 23 May 2025.

Good round-trip deal

฿8,814 or less

Good one-way deal

฿3,227 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 23 May 2025.

Wed 17/911:00IAD - HKT
1 stop34h 20mAir India
Mon 22/920:25HKT - IAD
1 stop22h 15mAir India
Deal found 22/5฿30,182
Mon 1/912:25IAD - CNX
2 stops35h 50mMultiple Airlines
Tue 30/915:30CNX - IAD
2 stops29h 35mMultiple Airlines
Deal found 22/5฿30,509
Fri 19/907:25DCA - BKK
2 stops29h 30mUnited Airlines
Tue 30/907:00BKK - DCA
2 stops25h 13mUnited Airlines
Deal found 22/5฿32,115
Sat 20/908:50IAD - BKK
2 stops28h 05mUnited Airlines
Mon 29/907:00BKK - IAD
2 stops24h 44mUnited Airlines
Deal found 22/5฿32,115
Fri 1/806:00IAD - BKK
2 stops32h 05mKorean Air
Sun 31/809:50BKK - IAD
1 stop36h 05mKorean Air
Deal found 22/5฿32,180
Mon 21/708:30DCA - BKK
2 stops34h 30mANA
Mon 18/821:35BKK - DCA
2 stops34h 28mANA
Deal found 23/5฿32,213
Fri 12/912:15IAD - BKK
1 stop29h 20mANA
Sat 20/909:35BKK - IAD
1 stop35h 30mANA
Deal found 22/5฿32,377
Mon 13/1021:00IAD - BKK
1 stop23h 20mQatar Airways
Wed 29/1018:55BKK - IAD
1 stop33h 00mQatar Airways
Deal found 22/5฿32,443
Thu 21/812:15IAD - HKT
2 stops34h 20mMultiple Airlines
Thu 4/917:30HKT - IAD
2 stops27h 35mMultiple Airlines
Deal found 22/5฿32,475
Mon 20/1009:30IAD - BKK
2 stops28h 35mเดลต้า
Mon 27/1001:00BKK - IAD
1 stop20h 50mเดลต้า
Deal found 22/5฿32,541
Sun 5/1022:05IAD - BKK
1 stop38h 50mเอทิฮัดแอร์เวย์
Tue 14/1020:55BKK - IAD
1 stop30h 15mเอทิฮัดแอร์เวย์
Deal found 21/5฿32,738
Tue 30/909:00DCA - BKK
2 stops29h 05mเดลต้า
Wed 15/1002:35BKK - DCA
2 stops30h 41mเดลต้า
Deal found 22/5฿32,869

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 May 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

Wed 17/9

11:00-08:20

1 stop34h 20m

Phuket City

Mon 22/9

20:25-07:40

1 stop22h 15m

฿30,182

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Mon 1/9

12:25-11:15

2 stops35h 50m

Chiang Mai

Tue 30/9

15:30-10:05

2 stops29h 35m

฿30,509

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

Fri 19/9

07:25-23:55

2 stops29h 30m

Bangkok Suvarnabhumi

Tue 30/9

07:00-21:13

2 stops25h 13m

฿32,115

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Sat 20/9

08:50-23:55

2 stops28h 05m

Bangkok Suvarnabhumi

Mon 29/9

07:00-20:44

2 stops24h 44m

฿32,115

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Fri 1/8

06:00-01:05

2 stops32h 05m

Bangkok Suvarnabhumi

Sun 31/8

09:50-10:55

1 stop36h 05m

฿32,180

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

Mon 21/7

08:30-06:00

2 stops34h 30m

Bangkok Suvarnabhumi

Mon 18/8

21:35-21:03

2 stops34h 28m

฿32,213

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Fri 12/9

12:15-04:35

1 stop29h 20m

Bangkok Suvarnabhumi

Sat 20/9

09:35-10:05

1 stop35h 30m

฿32,377

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Mon 13/10

21:00-07:20

1 stop23h 20m

Bangkok Suvarnabhumi

Wed 29/10

18:55-16:55

1 stop33h 00m

฿32,443

Washington, D.C.Phuket City

IAD - HKT

IADHKT

Washington, D.C. Dulles Intl

Thu 21/8

12:15-09:35

2 stops34h 20m

Phuket City

Thu 4/9

17:30-10:05

2 stops27h 35m

฿32,475

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Mon 20/10

09:30-01:05

2 stops28h 35m

Bangkok Suvarnabhumi

Mon 27/10

01:00-10:50

1 stop20h 50m

฿32,541

Flights are sorted by cheapest return flights first.

Deals found on 22/5

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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 16 May 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 ฿23,824). Flying from Washington, D.C. in June will prove the most costly (average of ฿37,719). 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.

Boarding

8.4

Crew

8.6

Entertainment

8.0

Food

8.1

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.

Boarding

8.4

Crew

8.6

Entertainment

8.0

Food

8.1

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.

Boarding

8.4

Crew

8.6

Entertainment

8.0

Food

8.1

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.

Boarding

8.4

Crew

8.6

Entertainment

8.0

Food

8.1

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.

Boarding

8.4

Crew

8.6

Entertainment

8.0

Food

8.1

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.
8.3
Very Good

Boarding

8.4

Crew

8.6

Entertainment

8.0

Food

8.1

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.

Browse thousands of different options on Cheapflights for your next trip

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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 23 May 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 23 May 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, Atlanta, Athens. 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 ฿28,674; whereas Washington, D.C. Reagan-National airport is typically cheaper if you're flying to Bangkok, from ฿29,166. 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 ฿28,674
    Fly from Washington, D.C. to Phuket City from ฿30,182

  • 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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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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