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£55+ 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 15/7. 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.
IAD — LHR
18 jun — 25 jun1
1 adult

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 13 junho 2025.

Cheapest airline

Air Canada

Good round-trip deal

£106 or less

Good one-way deal

£56 or less
On average, Air Canada currently has the cheapest one-way flight from Washington, D.C. Dulles Intl (avg. price of £453).
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Price to beat on a round-trip flight from Washington, D.C. Dulles Intl.
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Price to beat on a one-way flight from Washington, D.C. Dulles Intl.
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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 13 junho 2025.

ter 5/808:45IAD - DFW
Nonstop3h 17mUnited Airlines
sáb 9/807:30DFW - IAD
Nonstop3h 02mUnited Airlines
Deal found 12/6£106
qui 17/706:00IAD - DFW
1 stop5h 23mDelta
ter 22/705:30DFW - IAD
1 stop5h 20mDelta
Deal found 13/6£174
seg 28/713:34IAD - DFW
1 stop8h 17mSun Country Air
sex 1/816:38DFW - IAD
1 stop18h 05mSun Country Air
Deal found 12/6£232
seg 23/616:24IAD - DFW
1 stop6h 32mFrontier
qua 25/615:03DFW - IAD
1 stop8h 01mFrontier
Deal found 12/6£251
seg 23/618:46IAD - DFW
Nonstop3h 14mAmerican Airlines
qua 25/613:42DFW - IAD
Nonstop2h 53mAmerican Airlines
Deal found 12/6£277
seg 23/616:54IAD - DFW
3 stops41h 27mMultiple Airlines
qua 25/612:08DFW - IAD
3 stops31h 17mMultiple Airlines
Deal found 12/6£319
ter 12/808:10IAD - DFW
2 stops16h 49mAlaska Airlines
ter 19/820:36DFW - IAD
1 stop19h 33mAlaska Airlines
Deal found 12/6£328
qua 19/1120:30IAD - BHX
1 stop17h 00mScandinavian Airlines
qua 26/1119:10BHX - IAD
1 stop27h 05mScandinavian Airlines
Deal found 12/6£418
qui 14/822:20IAD - MAN
1 stop30h 45mTAP AIR PORTUGAL
seg 25/817:55MAN - IAD
1 stop26h 25mTAP AIR PORTUGAL
Deal found 11/6£448
sex 8/822:40IAD - MAN
1 stop12h 10mBritish Airways
sáb 23/810:50MAN - IAD
1 stop14h 25mBritish Airways
Deal found 12/6£450
sex 3/1022:05IAD - MAN
1 stop30h 05mScandinavian Airlines
ter 7/1019:35MAN - IAD
2 stops29h 24mScandinavian Airlines
Deal found 11/6£451
seg 4/821:20IAD - BHX
1 stop11h 20mVirgin Atlantic
qua 20/806:00BHX - IAD
1 stop18h 15mVirgin Atlantic
Deal found 11/6£454

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 13 junho 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

ter 5/8

08:45-11:02

Nonstop3h 17m

Dallas/Fort Worth

sáb 9/8

07:30-11:32

Nonstop3h 02m

£106

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

qui 17/7

06:00-10:23

1 stop5h 23m

Dallas/Fort Worth

ter 22/7

05:30-11:50

1 stop5h 20m

£174

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

seg 28/7

13:34-20:51

1 stop8h 17m

Dallas/Fort Worth

sex 1/8

16:38-11:43

1 stop18h 05m

£232

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

seg 23/6

16:24-21:56

1 stop6h 32m

Dallas/Fort Worth

qua 25/6

15:03-00:04

1 stop8h 01m

£251

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

seg 23/6

18:46-21:00

Nonstop3h 14m

Dallas/Fort Worth

qua 25/6

13:42-17:35

Nonstop2h 53m

£277

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

seg 23/6

16:54-09:21

3 stops41h 27m

Dallas/Fort Worth

qua 25/6

12:08-20:25

3 stops31h 17m

£319

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

ter 12/8

08:10-23:59

2 stops16h 49m

Dallas/Fort Worth

ter 19/8

20:36-17:09

1 stop19h 33m

£328

Washington, D.C.Birmingham

IAD - BHX

IADBHX

Washington, D.C. Dulles Intl

qua 19/11

20:30-18:30

1 stop17h 00m

Birmingham

qua 26/11

19:10-17:15

1 stop27h 05m

£418

Washington, D.C.Manchester

IAD - MAN

IADMAN

Washington, D.C. Dulles Intl

qui 14/8

22:20-10:05

1 stop30h 45m

Manchester

seg 25/8

17:55-15:20

1 stop26h 25m

£448

Washington, D.C.Manchester

IAD - MAN

IADMAN

Washington, D.C. Dulles Intl

sex 8/8

22:40-15:50

1 stop12h 10m

Manchester

sáb 23/8

10:50-20:15

1 stop14h 25m

£450

Flights are sorted by cheapest return flights first.

Deals found on 13/6

Showing 1-10 of 60 results
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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 9 June 2025.

Booking 45 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, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport (average of £358). Flying from Washington, D.C. Dulles Intl Airport in June will prove the most costly (average of £555). 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 £579
Virgin Atlantic
Virgin Atlantic
From £567
United Airlines
United Airlines
From £170
Frontier
Frontier
From £38

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 Chicago (388 flights per day), London (370 flights per day) and Atlanta (281 flights per day).

London
London
From £356
Vancouver Intl
Vancouver Intl
From £184
Dublin
Dublin
From £542

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 Miami, with prices starting at £35. Explore other affordable destinations below.

Miami
Miami
From £47
Orlando
Orlando
From £57
Las Vegas Harry Reid Intl
Las Vegas Harry Reid Intl
From £93
Toronto
Toronto
From £96

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.
Delta
8.0
Very Good
7,950 reviews
Check prices

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very Good
7,950 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Austrian Airlines
7.6
Good
802 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,624 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Browse thousands of different options on Cheapflights for your next trip

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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 13 junho 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 13 junho 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, Amman, Athens. 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 £35 to Miami (prices may vary depending on the airline and departure time). On average, users have booked flights for £571 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 Tampa (£28), United Airlines flights from Washington, D.C. Dulles Intl Airport to Accra Kotoka (£125), 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 Seattle from £664
    Washington, D.C. Dulles Intl to Orlando Airport from £809
    Washington, D.C. Dulles Intl to Mexico City from £912

  • 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 January; 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 London from £311 round trip
    Travel from Washington, D.C. to Manchester from £403 round trip
    Travel from Washington, D.C. to Glasgow from £410 round trip
    Travel from Washington, D.C. to Edinburgh from £411 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.

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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.

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