Find flights
Deals
Airlines

£52+ Cheap flights from Washington, D.C. Dulles Intl Airport

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/12. 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.
IAD — LHR
15 Oct — 22 Oct1
1 adult
1 adult, Economy

What to know about flights from Dulles Intl

Discover essential information about flights departing from Dulles Intl, including flight schedules, destinations, airlines operating at the Dulles Intl 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 15 September 2025.

Cheapest airline

Air France

Good round-trip deal

£161 or less

Good one-way deal

£46 or less
On average, Air France currently has the cheapest one-way flight from Washington, D.C. Dulles Intl (avg. price of £510).
Search Deals
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl.
Search Deals
Price to beat on a one-way flight from Washington, D.C. Dulles Intl.
Search Deals

Find flights from Dulles Intl

Cheapest flights from Dulles Intl
Explore the most affordable flight options available from Dulles Intl. Find the lowest fares based on data from user searches, with prices last updated on 15 September 2025.

Tue 7/1017:20IAD - DFW
Nonstop3h 16mUnited Airlines
Sat 11/1017:25DFW - IAD
Nonstop3h 00mUnited Airlines
Deal found 14/9£117
Wed 22/1012:40IAD - DFW
Nonstop3h 16mUnited Airlines
Sat 25/1017:25DFW - IAD
Nonstop3h 00mUnited Airlines
Deal found 14/9£119
Sat 25/1017:20IAD - DFW
Nonstop3h 16mUnited Airlines
Mon 3/1107:25DFW - IAD
Nonstop2h 49mUnited Airlines
Deal found 13/9£124
Mon 24/1117:39IAD - DFW
Nonstop3h 36mUnited Airlines
Wed 3/1207:25DFW - IAD
Nonstop2h 49mUnited Airlines
Deal found 15/9£127
Fri 31/1008:45IAD - DFW
1 stop8h 18mUnited Airlines
Sat 1/1107:25DFW - IAD
Nonstop2h 49mUnited Airlines
Deal found 15/9£135
Sat 8/1108:30IAD - DFW
Nonstop3h 36mUnited Airlines
Thu 13/1120:44DFW - IAD
1 stop7h 32mUnited Airlines
Deal found 15/9£135
Sat 1/1112:54IAD - DFW
Nonstop3h 36mUnited Airlines
Tue 4/1117:35DFW - IAD
Nonstop2h 49mUnited Airlines
Deal found 14/9£136
Tue 7/1017:20IAD - DFW
Nonstop3h 16mUnited Airlines
Mon 13/1007:15DFW - IAD
Nonstop3h 01mUnited Airlines
Deal found 14/9£138
Fri 5/1217:36IAD - DFW
Nonstop3h 37mUnited Airlines
Sun 7/1207:25DFW - IAD
Nonstop2h 49mUnited Airlines
Deal found 15/9£145
Thu 6/1108:15IAD - SAT
Nonstop3h 51mUnited Airlines
Sun 9/1107:07SAT - IAD
Nonstop3h 12mUnited Airlines
Deal found 15/9£183
Sat 25/1017:33IAD - SAT
Nonstop3h 32mUnited Airlines
Wed 29/1013:23SAT - IAD
1 stop6h 58mUnited Airlines
Deal found 14/9£186
Wed 22/1009:50IAD - SAT
1 stop7h 06mDelta
Wed 29/1005:25SAT - IAD
1 stop5h 04mDelta
Deal found 15/9£189

Find flights from Dulles Intl within your budget

 
Find flights departing from Dulles Intl 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 15 September 2025. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Heathrow

Route

Depart

Return

Price

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Tue 7/10

17:20-19:36

Nonstop3h 16m

Dallas/Fort Worth

Sat 11/10

17:25-21:25

Nonstop3h 00m

£117

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Sat 1/11

12:54-15:30

Nonstop3h 36m

Dallas/Fort Worth

Tue 4/11

15:45-23:44

1 stop6h 59m

£148

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Sat 13/12

12:52-15:27

Nonstop3h 35m

Dallas/Fort Worth

Mon 15/12

12:25-21:18

1 stop7h 53m

£148

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Wed 15/10

06:01-13:21

1 stop8h 20m

Dallas/Fort Worth

Thu 16/10

07:15-11:16

Nonstop3h 01m

£157

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Thu 5/2

12:55-15:41

Nonstop3h 46m

Dallas/Fort Worth

Thu 12/2

07:30-11:26

Nonstop2h 56m

£160

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Fri 5/12

06:00-11:13

1 stop6h 13m

Dallas/Fort Worth

Sun 7/12

07:25-11:14

Nonstop2h 49m

£171

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Thu 4/12

06:00-10:52

1 stop5h 52m

Dallas/Fort Worth

Tue 9/12

11:31-19:25

1 stop6h 54m

£174

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Tue 3/3

17:25-00:17

1 stop7h 52m

Dallas/Fort Worth

Wed 4/3

05:50-12:00

1 stop5h 10m

£174

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Mon 24/11

17:39-20:15

Nonstop3h 36m

Dallas/Fort Worth

Fri 28/11

14:16-22:12

1 stop6h 56m

£176

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Thu 20/11

08:30-15:58

1 stop8h 28m

Dallas/Fort Worth

Mon 24/11

17:35-21:24

Nonstop2h 49m

£182

Flights are sorted by cheapest return flights first.

Deals found on 14/9

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

Best time to book a flight from Dulles Intl

Have a flexible travel schedule? Discover the best time to fly from Dulles Intl 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 Dulles Intl

Get recent, data-driven insights about flights from Dulles Intl including ideal travel times, pricing trends, and more.

When is the best time to book a flight from Washington, D.C. Dulles Intl Airport?

Use this chart to determine the optimal time to book a return flight from Dulles Intl to Heathrow. Price data was last updated on 12 September 2025.

Booking 63 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. Dulles Intl Airport. 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. Dulles Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport (average of £319). Flying from Washington, D.C. Dulles Intl Airport in June will prove the most costly (average of £551). 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. Dulles Intl Airport?

Many airlines operate round-trip flights from Washington, D.C. Dulles Intl Airport: British Airways, Virgin Atlantic, United Airlines, Iberia, Lufthansa. These airlines fly to the following popular destinations: London.

British Airways
British Airways
From £518
Virgin Atlantic
Virgin Atlantic
From £512
Frontier
Frontier
From £38
United Airlines
United Airlines
From £103

What are popular destinations to fly to from Washington, D.C. Dulles Intl Airport?

If you’re flying from Washington, D.C. Dulles Intl Airport, these routes are more frequently taken by airlines London (368 flights per day), Chicago (344 flights per day) and Atlanta (256 flights per day).

London
London
From £421
Toronto
Toronto
From £85
Abu Dhabi Zayed Intl
Abu Dhabi Zayed Intl
From £359
Lisbon Humberto Delgado
Lisbon Humberto Delgado
From £218

What is the cheapest place to fly to from Washington, D.C. Dulles Intl Airport?

The cheapest city to fly to from Washington, D.C. Dulles Intl Airport is Atlanta Hartsfield-Jackson, with prices starting at £12. Explore other affordable destinations below.

Atlanta Hartsfield-Jackson
Atlanta Hartsfield-Jackson
From £16
Orlando
Orlando
From £40
Toronto
Toronto
From £85
Providence-TFGreen
Providence-TFGreen
From £112

Airline reviews for flights from Dulles Intl

Get insights into the airlines that provide service from Dulles Intl. 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 Dulles Intl. In the last 7 days, Cheapflights users made a total of 858,174 searches.
Get a feel of what it's like to fly with United Airlines, Virgin Atlantic, andIberia from Washington, D.C. Dulles Intl Airport by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,929 reviews
Check prices

Food

6.6

Entertainment

7.1

Boarding

7.7

Crew

8.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,929 reviews
United Airlines
7.4
Good
8,929 reviews
Check prices

Food

6.6

Entertainment

7.1

Boarding

7.7

Crew

8.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Virgin Atlantic
7.4
Good
664 reviews
United Airlines
7.4
Good
8,929 reviews
Check prices

Food

6.6

Entertainment

7.1

Boarding

7.7

Crew

8.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Iberia
7.0
Good
2,924 reviews
United Airlines
7.4
Good
8,929 reviews
Check prices

Food

6.6

Entertainment

7.1

Boarding

7.7

Crew

8.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Lufthansa
6.8
Okay
7,407 reviews
United Airlines
7.4
Good
8,929 reviews
Check prices

Food

6.6

Entertainment

7.1

Boarding

7.7

Crew

8.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
British Airways
6.7
Okay
7,361 reviews
United Airlines
7.4
Good
8,929 reviews
Check prices

Food

6.6

Entertainment

7.1

Boarding

7.7

Crew

8.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.

Alternate flight departure points to Dulles Intl

Consider leaving from one of these other departure points that are located a short distance from Dulles Intl. Flight origins were last updated on 15 September 2025.
Flights from Reagan-National

Related info for your journey

Access useful and relevant information related to your journey from Dulles Intl. 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 15 September 2025.

  • What are the most popular destinations to fly to from Washington, D.C. Dulles Intl Airport?

    This month, the top selected destinations from Washington, D.C. Dulles Intl Airport are Cairo, Athens, Atlanta. Throughout the year, Mumbai, Cairo, Ahmedabad are some of the top choices made by users flying from Washington, D.C. Dulles Intl Airport.

  • What is the cheapest flight from Washington, D.C. Dulles Intl Airport to anywhere?

    Users have flown out of Washington, D.C. Dulles Intl Airport for as low as £12 to Atlanta (prices may vary depending on the airline and departure time). On average, users have booked flights for £445 to fly from Washington, D.C. Dulles Intl Airport.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to anywhere?

    Over the past few days, we've found that Frontier, United Airlines, and Air Canada have the cheapest prices from Washington, D.C. Dulles Intl Airport. Frontier flights from Washington, D.C. Dulles Intl Airport to Atlanta Hartsfield-Jackson (£28), United Airlines flights from Washington, D.C. Dulles Intl Airport to Accra Kotoka (£76), and Air Canada flights from Washington, D.C. Dulles Intl Airport to Toronto Pearson Intl (£128).

  • What is the cheapest premium economy flight from Washington, D.C. Dulles Intl Airport?

    Here are some of the cheapest offers we have found for the cheapest premium economy flights from Washington, D.C. Dulles Intl Airport.
    Washington, D.C. Dulles Intl to Jacksonville from £361
    Washington, D.C. Dulles Intl to Orlando Airport from £809
    Washington, D.C. Dulles Intl to Paris Charles de Gaulle Airport from £1,168
    Washington, D.C. Dulles Intl to London Heathrow Airport from £1,198

  • What is the cheapest first class flight from Washington, D.C. Dulles Intl Airport?

    If you’re looking for a cheap first-class flight from Washington, D.C. Dulles Intl Airport, consider Louisville. Prices start at £379 so you can fly first-class even on a budget.

  • What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport?

    At the present moment the cheapest month to fly from Washington, D.C. Dulles Intl Airport is currently August; 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. Dulles Intl Airport?

    Check out the cheapest flights from Washington, D.C. Dulles Intl Airport to embark to:
    Travel from Washington, D.C. to Manchester from £305 round trip
    Travel from Washington, D.C. to London from £311 round trip
    Travel from Washington, D.C. to Glasgow from £355 round trip
    Travel from Washington, D.C. to Edinburgh from £361 round trip

  • How does Cheapflights help users find flights from Dulles Intl?

    Deals for flights from Dulles Intl are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.

  • Why should you use Cheapflights to find cheap flight tickets from Dulles Intl?

    Cheapflights helps you find that perfect flight from Dulles Intl by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

  • Can Cheapflights find flights from Dulles Intl with no change fees?

    Certainly. Search results for flights from Dulles Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

  • Can Cheapflights notify me if prices for flights from Dulles Intl become cheaper?

    Not ready to book yet? You can track prices for flights from Dulles Intl 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 Dulles Intl?

Deals for flights from Dulles Intl are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Dulles Intl?

Cheapflights helps you find that perfect flight from Dulles Intl by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Dulles Intl with no change fees?

Certainly. Search results for flights from Dulles Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Dulles Intl become cheaper?

Not ready to book yet? You can track prices for flights from Dulles Intl 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.