£60+ Cheap flights from Washington, D.C. Dulles Intl Airport

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/12. 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
12 Dec — 19 Dec1
1 adult
1 adult, Economy, 0 bags

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 12 November 2025.

Cheapest airline

British Airways

Good round-trip deal

£73 or less

Good one-way deal

£21 or less
On average, British Airways currently has the cheapest one-way flight from Washington, D.C. Dulles Intl (avg. price of £530).
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl.
Price to beat on a one-way flight from Washington, D.C. Dulles Intl.

Find flights from Dulles Intl

Enter your travel dates to find the best prices.

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 12 November 2025.

Sat 13/1209:45IAD - CUN
1 stop27h 10mAir Canada
Tue 16/1212:15CUN - IAD
1 stop8h 44mAir Canada
Deal found 12/11£261
Wed 4/209:45IAD - CUN
1 stop12h 55mAir Canada
Sun 8/222:10CUN - IAD
1 stop23h 15mAir Canada
Deal found 11/11£283
Mon 2/208:29IAD - CUN
Nonstop3h 51mUnited Airlines
Fri 6/217:09CUN - IAD
Nonstop3h 20mUnited Airlines
Deal found 12/11£315
Wed 14/108:15IAD - CUN
1 stop9h 35mUnited Airlines
Wed 21/117:09CUN - IAD
Nonstop3h 20mUnited Airlines
Deal found 12/11£318
Tue 17/206:03IAD - CUN
1 stop7h 31mUnited Airlines
Tue 24/208:39CUN - IAD
1 stop7h 27mUnited Airlines
Deal found 11/11£326
Wed 7/112:46IAD - CUN
Nonstop3h 54mUnited Airlines
Wed 21/117:09CUN - IAD
Nonstop3h 20mUnited Airlines
Deal found 11/11£336
Wed 10/1212:46IAD - CUN
Nonstop3h 54mUnited Airlines
Wed 17/1212:35CUN - IAD
Nonstop3h 20mUnited Airlines
Deal found 12/11£351
Sun 14/1212:46IAD - CUN
Nonstop3h 54mUnited Airlines
Wed 24/1211:35CUN - IAD
Nonstop3h 10mUnited Airlines
Deal found 12/11£355
Mon 12/108:29IAD - CUN
Nonstop3h 51mUnited Airlines
Wed 14/117:09CUN - IAD
Nonstop3h 20mUnited Airlines
Deal found 11/11£356
Sat 14/219:40IAD - GLA
1 stop9h 15mIcelandair
Sat 21/212:35GLA - IAD
1 stop10h 55mIcelandair
Deal found 11/11£357
Mon 5/119:40IAD - GLA
1 stop9h 15mIcelandair
Wed 21/112:35GLA - IAD
1 stop10h 55mIcelandair
Deal found 12/11£365
Sat 17/119:40IAD - GLA
1 stop9h 15mIcelandair
Sat 24/112:35GLA - IAD
1 stop10h 55mIcelandair
Deal found 11/11£370

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 12 November 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.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Tue 13/1

08:29-12:20

Nonstop3h 51m

Cancun

Sat 17/1

17:09-20:29

Nonstop3h 20m

£362

Washington, D.C.Manchester

IAD - MAN

IADMAN

Washington, D.C. Dulles Intl

Wed 21/1

19:40-10:45

1 stop10h 05m

Manchester

Sun 25/1

11:55-18:30

1 stop11h 35m

£378

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Tue 24/3

06:00-15:15

2 stops10h 15m

Cancun

Tue 31/3

11:05-23:02

2 stops10h 57m

£378

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Wed 31/12

08:29-12:20

Nonstop3h 51m

Cancun

Fri 9/1

12:28-22:18

1 stop9h 50m

£378

Washington, D.C.Manchester

IAD - MAN

IADMAN

Washington, D.C. Dulles Intl

Thu 12/2

19:40-10:45

1 stop10h 05m

Manchester

Sun 22/2

11:55-18:30

1 stop11h 35m

£381

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Wed 4/2

06:00-17:38

2 stops11h 38m

Cancun

Sun 8/2

06:06-13:45

1 stop7h 39m

£382

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Sat 14/3

19:59-11:40

1 stop16h 41m

Cancun

Sat 21/3

06:06-14:45

1 stop7h 39m

£386

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Wed 18/2

19:40-09:55

1 stop9h 15m

Glasgow Intl

Sun 22/2

12:35-18:30

1 stop10h 55m

£389

Washington, D.C.Glasgow

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Sat 14/2

19:40-09:55

1 stop9h 15m

Glasgow Intl

Wed 18/2

12:35-18:30

1 stop10h 55m

£389

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Wed 3/12

06:00-14:05

1 stop8h 05m

Cancun

Sat 6/12

11:17-21:29

2 stops10h 12m

£389

Flights are sorted by cheapest return flights first.

Deals found on 12/11

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 7 November 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, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport (average of £330). Flying from Washington, D.C. Dulles Intl Airport in June will prove the most costly (average of £568). 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 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 Virgin Atlantic, United Airlines, 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.

Entertainment

7.5

Crew

8.1

Comfort

7.3

Boarding

7.7

Overall

7.5

Food

6.9

Reviews

1 / 20
6.0
Good

Pratap,Aug 2025

JFK - LHR

The flight is clean, food good and the staff are excellent! Very professional, polite and accommodating. The seat itself is really mediocre. Can’t believe there is not inch of storage space. Believe it or not it there is not place even to put away your phone or pen!! Very very surprising and terribly inconvenient. No coat hanger hook either. Had to give it away. ALL IN ALL VERY INCONVENIENT business class seat compared to their peers. What is even more surprising is that this on their relatively new fleet of Airbus A350-1000. I was having com platelets different expectations of Virgin and this has disappointed me. Everything else is just as good and as you would expect from Virgin!

Entertainment

7.5

Crew

8.1

Comfort

7.3

Boarding

7.7

Overall

7.5

Food

6.9

Reviews

1 / 20
6.0
Good

Pratap,Aug 2025

JFK - LHR

The flight is clean, food good and the staff are excellent! Very professional, polite and accommodating. The seat itself is really mediocre. Can’t believe there is not inch of storage space. Believe it or not it there is not place even to put away your phone or pen!! Very very surprising and terribly inconvenient. No coat hanger hook either. Had to give it away. ALL IN ALL VERY INCONVENIENT business class seat compared to their peers. What is even more surprising is that this on their relatively new fleet of Airbus A350-1000. I was having com platelets different expectations of Virgin and this has disappointed me. Everything else is just as good and as you would expect from Virgin!

Entertainment

7.5

Crew

8.1

Comfort

7.3

Boarding

7.7

Overall

7.5

Food

6.9

Reviews

1 / 20
6.0
Good

Pratap,Aug 2025

JFK - LHR

The flight is clean, food good and the staff are excellent! Very professional, polite and accommodating. The seat itself is really mediocre. Can’t believe there is not inch of storage space. Believe it or not it there is not place even to put away your phone or pen!! Very very surprising and terribly inconvenient. No coat hanger hook either. Had to give it away. ALL IN ALL VERY INCONVENIENT business class seat compared to their peers. What is even more surprising is that this on their relatively new fleet of Airbus A350-1000. I was having com platelets different expectations of Virgin and this has disappointed me. Everything else is just as good and as you would expect from Virgin!

Entertainment

7.5

Crew

8.1

Comfort

7.3

Boarding

7.7

Overall

7.5

Food

6.9

Reviews

1 / 20
6.0
Good

Pratap,Aug 2025

JFK - LHR

The flight is clean, food good and the staff are excellent! Very professional, polite and accommodating. The seat itself is really mediocre. Can’t believe there is not inch of storage space. Believe it or not it there is not place even to put away your phone or pen!! Very very surprising and terribly inconvenient. No coat hanger hook either. Had to give it away. ALL IN ALL VERY INCONVENIENT business class seat compared to their peers. What is even more surprising is that this on their relatively new fleet of Airbus A350-1000. I was having com platelets different expectations of Virgin and this has disappointed me. Everything else is just as good and as you would expect from Virgin!

Entertainment

7.5

Crew

8.1

Comfort

7.3

Boarding

7.7

Overall

7.5

Food

6.9

Reviews

1 / 20
6.0
Good

Pratap,Aug 2025

JFK - LHR

The flight is clean, food good and the staff are excellent! Very professional, polite and accommodating. The seat itself is really mediocre. Can’t believe there is not inch of storage space. Believe it or not it there is not place even to put away your phone or pen!! Very very surprising and terribly inconvenient. No coat hanger hook either. Had to give it away. ALL IN ALL VERY INCONVENIENT business class seat compared to their peers. What is even more surprising is that this on their relatively new fleet of Airbus A350-1000. I was having com platelets different expectations of Virgin and this has disappointed me. Everything else is just as good and as you would expect from Virgin!

Entertainment

7.5

Crew

8.1

Comfort

7.3

Boarding

7.7

Overall

7.5

Food

6.9

Reviews

1 / 20
6.0
Good

Pratap,Aug 2025

JFK - LHR

The flight is clean, food good and the staff are excellent! Very professional, polite and accommodating. The seat itself is really mediocre. Can’t believe there is not inch of storage space. Believe it or not it there is not place even to put away your phone or pen!! Very very surprising and terribly inconvenient. No coat hanger hook either. Had to give it away. ALL IN ALL VERY INCONVENIENT business class seat compared to their peers. What is even more surprising is that this on their relatively new fleet of Airbus A350-1000. I was having com platelets different expectations of Virgin and this has disappointed me. Everything else is just as good and as you would expect from Virgin!

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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 12 November 2025.

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 12 November 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 Mumbai, Ahmedabad, 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 £20 to Atlanta (prices may vary depending on the airline and departure time). On average, users have booked flights for £515 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 (£29), United Airlines flights from Washington, D.C. Dulles Intl Airport to Accra Kotoka (£87), and Air Canada flights from Washington, D.C. Dulles Intl Airport to Toronto Pearson Intl (£132).

  • 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 £372
    Washington, D.C. Dulles Intl to Knoxville from £395
    Washington, D.C. Dulles Intl to Orlando Airport from £835
    Washington, D.C. Dulles Intl to Kansas City from £1,278

  • 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 £391 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 London from £316 round trip
    Travel from Washington, D.C. to Glasgow from £356 round trip
    Travel from Washington, D.C. to Manchester from £362 round trip
    Travel from Washington, D.C. to Edinburgh from £401 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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