$434+ Cheap flights from London (YXU) to Dulles Intl (IAD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/17. 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.
YXU — IAD
Jul 16 — Jul 231

Cheap flight deals from London to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from London (YXU) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 11, 2024.

Popular in

December

Cheapest in

March

Average price

$584

Round-trip from

$434
(Air Canada)
High demand for flights, 19% potential price rise
Best time to find cheap flights, 24% potential price drop
Average for round-trip flights in July 2024
From London to Washington, D.C. Dulles Intl

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

The best pricing can be found in the month of March. Prices to Washington, D.C. Dulles Intl Airport from London, Ontario average $471. You can even find prices in March for less than $471, as users have found deals to Washington, D.C. Dulles Intl Airport from as low as $405. The month of August appears to be one of the more expensive times to travel to Washington, D.C. Dulles Intl Airport from London, Ontario. Flying in the targeted month can save you up to 20%.

What is the cheapest time of day to fly from YXU to IAD?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London, Ontario to Washington, D.C. Dulles Intl Airport as you normally would.

Cheap London to Dulles Intl flights in July & August 2024

Find cheap flight options from London to Dulles Intl specifically for the months of July and August 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,800,118 searches. Prices were last updated on July 11, 2024.
The lowest fares we've come across on flights traveling from London to Washington, D.C. in July and August 2024. More deals are always being added, so be sure to check back regularly.
This Air Canada deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/179:50 amYXU - IAD
1 stop5h 29mAir Canada
Wed 8/214:00 pmIAD - YXU
1 stop5h 35mAir Canada
Deal found 7/10$434
This Air Canada deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/179:50 amYXU - IAD
1 stop5h 29mAir Canada
Mon 8/194:00 pmIAD - YXU
1 stop5h 35mAir Canada
Deal found 7/10$445
This Air Canada deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/183:20 pmYXU - IAD
1 stop4h 59mAir Canada
Wed 8/214:00 pmIAD - YXU
1 stop5h 35mAir Canada
Deal found 7/10$453
This Air Canada deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/183:20 pmYXU - IAD
1 stop4h 59mAir Canada
Sun 8/254:00 pmIAD - YXU
1 stop5h 35mAir Canada
Deal found 7/10$465
This Air Canada deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/183:20 pmYXU - IAD
1 stop4h 59mAir Canada
Thu 8/224:00 pmIAD - YXU
1 stop5h 35mAir Canada
Deal found 7/10$485
This United Airlines deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/179:50 amYXU - IAD
1 stop5h 29mUnited Airlines
Tue 8/206:05 amIAD - YXU
2 stops8h 40mUnited Airlines
Deal found 7/10$542
This Air Canada deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/183:20 pmYXU - IAD
1 stop4h 59mAir Canada
Fri 8/234:00 pmIAD - YXU
1 stop5h 35mAir Canada
Deal found 7/10$640
This mytrip.com deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/196:15 amYXU - IAD
1 stop11h 31mMultiple Airlines
Tue 7/2311:32 amIAD - YXU
3 stops31h 27mMultiple Airlines
Deal found 7/10$645
This mytrip.com deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/193:20 pmYXU - IAD
3 stops20h 50mMultiple Airlines
Tue 7/2311:32 amIAD - YXU
3 stops31h 27mMultiple Airlines
Deal found 7/10$676

London to Dulles Intl 2024 flight deals

Discover exclusive flight deals for travel between London and Dulles Intl in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,800,118 searches. Data last updated July 11, 2024.
The lowest fares we've come across on flights traveling from London to Washington, D.C. in July and August 2024. More deals are always being added, so be sure to check back regularly.
This Air Canada deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/179:50 amYXU - IAD
1 stop5h 29mAir Canada
Wed 8/214:00 pmIAD - YXU
1 stop5h 35mAir Canada
Deal found 7/10$434
This Air Canada deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/179:50 amYXU - IAD
1 stop5h 29mAir Canada
Mon 8/194:00 pmIAD - YXU
1 stop5h 35mAir Canada
Deal found 7/10$445
This Air Canada deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/183:20 pmYXU - IAD
1 stop4h 59mAir Canada
Wed 8/214:00 pmIAD - YXU
1 stop5h 35mAir Canada
Deal found 7/10$453
This Air Canada deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/183:20 pmYXU - IAD
1 stop4h 59mAir Canada
Sun 8/254:00 pmIAD - YXU
1 stop5h 35mAir Canada
Deal found 7/10$465
This Air Canada deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/183:20 pmYXU - IAD
1 stop4h 59mAir Canada
Thu 8/224:00 pmIAD - YXU
1 stop5h 35mAir Canada
Deal found 7/10$485
This United Airlines deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/179:50 amYXU - IAD
1 stop5h 29mUnited Airlines
Tue 8/206:05 amIAD - YXU
2 stops8h 40mUnited Airlines
Deal found 7/10$542
This Air Canada deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/79:50 amYXU - IAD
1 stop11h 31mAir Canada
Mon 10/1410:21 pmIAD - YXU
1 stop10h 56mAir Canada
Deal found 7/10$630
This United Airlines deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/76:00 amYXU - IAD
2 stops10h 24mUnited Airlines
Mon 10/146:03 amIAD - YXU
2 stops8h 44mUnited Airlines
Deal found 7/10$636
This Expedia deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/73:25 pmYXU - IAD
1 stop4h 53mAir Canada
Mon 10/1410:20 pmIAD - YXU
2 stops10h 57mAir Canada
Deal found 7/10$638

London to Dulles Intl flights leaving soon

Find last-minute flight options from London to Dulles Intl for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,800,118 searches. Data last updated July 11, 2024.
Have a look at some of the last-minute flights available departing from London to Washington, D.C.. Users should examine the flight details to ensure there are no surprises.
This mytrip.com deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/196:15 amYXU - IAD
1 stop11h 31mMultiple Airlines
Tue 7/2311:32 amIAD - YXU
3 stops31h 27mMultiple Airlines
Deal found 7/10$645
This mytrip.com deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/193:20 pmYXU - IAD
3 stops20h 50mMultiple Airlines
Tue 7/2311:32 amIAD - YXU
3 stops31h 27mMultiple Airlines
Deal found 7/10$676
This mytrip.com deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/197:10 pmYXU - IAD
2 stops25h 19mMultiple Airlines
Tue 7/2311:32 amIAD - YXU
3 stops31h 27mMultiple Airlines
Deal found 7/10$723
This mytrip.com deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/196:15 amYXU - IAD
1 stop11h 31mMultiple Airlines
Tue 7/2310:15 pmIAD - YXU
2 stops20h 44mMultiple Airlines
Deal found 7/10$747
This Gotogate deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/199:50 amYXU - IAD
1 stop10h 29mAir Canada
Tue 7/234:00 pmIAD - YXU
1 stop5h 35mAir Canada
Deal found 7/10$770

Find flights from London to Dulles Intl within your budget

Customize your flight search to find flights from London to Dulles Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,800,118 searches. Data last updated July 11, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$434 - $723

Route

Depart

Return

Price

LondonWashington, D.C. Dulles Intl

YXU - IAD

YXUIAD

London

Sat 8/17

1 stop5h 29m

Washington, D.C. Dulles Intl

Wed 8/21

1 stop5h 35m

$434

LondonWashington, D.C. Dulles Intl

YXU - IAD

YXUIAD

London

Sat 8/17

1 stop5h 29m

Washington, D.C. Dulles Intl

Mon 8/19

1 stop5h 35m

$445

LondonWashington, D.C. Dulles Intl

YXU - IAD

YXUIAD

London

Sun 8/18

1 stop4h 59m

Washington, D.C. Dulles Intl

Wed 8/21

1 stop5h 35m

$453

LondonWashington, D.C. Dulles Intl

YXU - IAD

YXUIAD

London

Sun 8/18

1 stop4h 59m

Washington, D.C. Dulles Intl

Sun 8/25

1 stop5h 35m

$465

LondonWashington, D.C. Dulles Intl

YXU - IAD

YXUIAD

London

Sun 8/18

1 stop4h 59m

Washington, D.C. Dulles Intl

Thu 8/22

1 stop5h 35m

$485

LondonWashington, D.C. Dulles Intl

YXU - IAD

YXUIAD

London

Sat 8/17

1 stop5h 29m

Washington, D.C. Dulles Intl

Tue 8/20

2 stops8h 40m

$542

LondonWashington, D.C. Dulles Intl

YXU - IAD

YXUIAD

London

Mon 10/7

1 stop11h 31m

Washington, D.C. Dulles Intl

Mon 10/14

1 stop10h 56m

$630

LondonWashington, D.C. Dulles Intl

YXU - IAD

YXUIAD

London

Mon 10/7

2 stops10h 24m

Washington, D.C. Dulles Intl

Mon 10/14

2 stops8h 44m

$636

LondonWashington, D.C. Dulles Intl

YXU - IAD

YXUIAD

London

Mon 8/19

1 stop11h 31m

Washington, D.C. Dulles Intl

Fri 8/23

1 stop10h 33m

$723

Flights are sorted by cheapest first

Deals found on 7/10

No data available for this route at this time. Please check back soon.

Best time to book a flight from London to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from London with our price prediction graph.
Estimated round-trip 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.

Temperature and rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature and rainfall totals by month.

WAS

Temperature

35.6 - 80.6 °F

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to 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 an airline for your flight to Dulles Intl. Reviews last updated July 11, 2024.
See what other customers who have flown with United Airlines, Air Canada and WestJet from London to Washington, D.C. have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
7.4
Good
10,000 reviews

Crew

8.1

Boarding

7.7

Overall

7.4

Comfort

7.2

Entertainment

7.1

Food

6.7

Reviews

1 / 10

More comfort and free, fast Wi-Fi would always be appreciated.

7.4
Good
10,000 reviews
7.4
Good
10,000 reviews

Crew

8.1

Boarding

7.7

Overall

7.4

Comfort

7.2

Entertainment

7.1

Food

6.7

Reviews

1 / 10

More comfort and free, fast Wi-Fi would always be appreciated.

7.4
Good
2,771 reviews
7.4
Good
10,000 reviews

Crew

8.1

Boarding

7.7

Overall

7.4

Comfort

7.2

Entertainment

7.1

Food

6.7

Reviews

1 / 10

More comfort and free, fast Wi-Fi would always be appreciated.

6.9
Okay
7,277 reviews
7.4
Good
10,000 reviews

Crew

8.1

Boarding

7.7

Overall

7.4

Comfort

7.2

Entertainment

7.1

Food

6.7

Reviews

1 / 10

More comfort and free, fast Wi-Fi would always be appreciated.

Related info for your journey

Find useful and relevant information for your journey from London to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from London to Washington, D.C. Dulles Intl?

    Located just 5.3 mi from the city center, London is the airport most travelers will use when flying to Washington, D.C. Dulles Intl from London. Booking flights from London (YXU) to Washington, D.C. Dulles Intl should be relatively easy as there are 0 daily outbound flights to Washington, D.C. Dulles Intl from 0 different airlines.

  • Can I find flights from London, Ontario to Washington, D.C. Dulles Intl Airport for under $500 on Cheapflights?

    Yes, there are multiple flights from London, Ontario to Washington, D.C. Dulles Intl Airport for under $500. The cheapest flight booked recently is on Air Canada for just $434, but on average you can expect to pay $593.

  • Are there last-minute flights available from London, Ontario to Washington, D.C. Dulles Intl Airport for under $700?

    There are currently 5+ open flights from London, Ontario to Washington, D.C. Dulles Intl Airport within the next 7 days for less than $700.

  • What are the cheapest airlines flying from London, Ontario to Washington, D.C. Dulles Intl Airport round-trip?

    Currently priced at $434, Air Canada will fly you from London, Ontario to Washington, D.C. Dulles Intl Airport and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and WestJet - these airlines can fly you to your destination from $542 and $723, respectively. Users have found that Air Canada is 14% cheaper than the other options available to this destination.

  • What does YXU to IAD mean?

    London Airport is YXU and Washington, D.C. Dulles Intl Airport is IAD. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

  • Can I find deals for flights from London to Dulles Intl that include extra baggage allowance?

    The amount of baggage you can bring on your London to Dulles Intl flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from London to Dulles Intl with specific airlines?

    Yes, Cheapflights allows you to browse and filter London to Dulles Intl flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from London to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on London to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from London to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Dulles Intl.

  • Can I find deals for business class flights from London to Dulles Intl?

    Yes. Cheapflights offers flight deals from London to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from London to Dulles Intl that allow pets onboard?

    Many airlines flying from London to Dulles Intl offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from London to Dulles Intl?

    Yes, you can often find last-minute deals on London to Dulles Intl flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the London, Ontario to Washington, D.C. Dulles Intl Airport flight deals updated?

    The London, Ontario to Washington, D.C. Dulles Intl Airport flight deals you see on this page were last updated on 7/10.

  • What is the cheapest month to book a flight from London, Ontario to Washington, D.C. Dulles Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from London, Ontario to Washington, D.C. Dulles Intl Airport (average of $280). Flying from London, Ontario to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $378). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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