HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from Dulles Intl (IAD) to London (YXU) from $534

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 8/23. 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 — YXU
Jun 17 — Jun 241
From?
To?
Mon 6/17
Mon 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Cheap flight deals from Dulles Intl to London

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to London (YXU). 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 June 12, 2024.

Round-trip from

$300
From Washington, D.C. Dulles Intl to London
Search Deals

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

It’s typically best to fly out from Washington, D.C. Dulles Intl Airport to London, Ontario at noon. Doing so could potentially save you 50% on the flight price compared to flying in the morning, which is usually more expensive.

Dulles Intl to London 2024 flight deals

Discover exclusive flight deals for travel between Dulles Intl and London in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,117,830 searches. Data last updated June 12, 2024.
Fri 8/238:27 amIAD - YXU
1 stop6h 18mAir Canada
Mon 8/263:20 pmYXU - IAD
1 stop6h 01mAir Canada
Deal found 6/12$534
Fri 8/2310:26 pmIAD - YXU
2 stops16h 19mMultiple Airlines
Mon 8/269:50 amYXU - IAD
1 stop5h 29mMultiple Airlines
Deal found 6/12$629
Fri 8/2310:26 pmIAD - YXU
2 stops16h 19mMultiple Airlines
Mon 8/269:50 amYXU - IAD
2 stops10h 39mMultiple Airlines
Deal found 6/12$657

Find flights from Dulles Intl to London within your budget

Customize your flight search to find flights from Dulles Intl to London 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 3,117,830 searches. Data last updated June 12, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$534 - $657

Route

Depart

Return

Price

Washington, D.C. Dulles IntlLondon

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Fri 8/23

1 stop6h 18m

London

Mon 8/26

1 stop6h 01m

$534

Washington, D.C. Dulles IntlLondon

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Fri 8/23

2 stops16h 19m

London

Mon 8/26

1 stop5h 29m

$629

Washington, D.C. Dulles IntlLondon

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Fri 8/23

2 stops16h 19m

London

Mon 8/26

2 stops10h 39m

$657

Flights are sorted by cheapest first

Deals found on 6/12

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

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to London. Price data was last updated on June 9, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to London, Ontario flight should consider departing on Friday afternoons when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from Dulles Intl to London

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

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

YXU

Temperature

21.2 - 68 °F

If weather is an important factor for your trip to London, Ontario, 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 68.0 F. Travelers looking to avoid the cold should look outside of February, when temperatures are typically at their lowest (around 21.2 F).

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated June 12, 2024.
Air Canada
7.0
Good
7,079 reviews

Boarding

7.2

Crew

7.8

Food

6.2

Entertainment

6.8

Overall

7.0

Comfort

7.0

Reviews

1 / 10

Our flights were canceled and rescheduled several times and we were given inconvenient flights. I WILL NOT be traveling with Air Canada ever again!!

Air Canada
7.0
Good
7,079 reviews
Air Canada
7.0
Good
7,079 reviews

Boarding

7.2

Crew

7.8

Food

6.2

Entertainment

6.8

Overall

7.0

Comfort

7.0

Reviews

1 / 10

Our flights were canceled and rescheduled several times and we were given inconvenient flights. I WILL NOT be traveling with Air Canada ever again!!

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to London. 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 into for flights to London from Washington, D.C. Dulles Intl?

    London (YXU) is the airport you will fly into if you book a flight from Washington, D.C. Dulles Intl to London. You should not have trouble finding flights to London from Washington, D.C. Dulles Intl; the airport handles an average of 0 inbound flights from Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 1 airline has flights to the London airport from Washington, D.C. Dulles Intl. It is only a 5.3 mi journey from London (YXU) to London’s city center.

  • Can I find flights from Washington, D.C. Dulles Intl Airport to London, Ontario for under $600 on Cheapflights?

    Yes, there are multiple flights from Washington, D.C. Dulles Intl Airport to London, Ontario for under $600. The cheapest flight booked recently is on Air Canada for just $534, but on average you can expect to pay $606.

  • What is the cheapest airline to fly from Washington, D.C. Dulles Intl Airport to London, Ontario round-trip?

    Air Canada, at $534, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to London, Ontario..

  • What does IAD to YXU mean?

    IAD and YXU are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. IAD to YXU refers to a flight route from Washington, D.C. Dulles Intl Airport to London Airport.

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

    The amount of baggage you can bring on your Dulles Intl to London 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 Dulles Intl to London with specific airlines?

    Yes, Cheapflights allows you to browse and filter Dulles Intl to London 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 Dulles Intl to London that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to London 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 Dulles Intl to London that allow pets onboard?

    Many airlines flying from Dulles Intl to London 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 Dulles Intl to London?

    Yes, you can often find last-minute deals on Dulles Intl to London 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 Washington, D.C. Dulles Intl Airport to London, Ontario flight deals updated?

    The Washington, D.C. Dulles Intl Airport to London, Ontario flight deals you see on this page were last updated on 6/12.

See more FAQs

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.

Alternative routes for Dulles Intl to London
See prices for flight routes from nearby airports that may be better suited for you.

Reagan-National to Pearson Intl flights
Dulles Intl to Pearson Intl flights
Dulles Intl to Pierre Elliott Trudeau Intl flights
Reagan-National to Pierre Elliott Trudeau Intl flights
Baltimore to Pearson Intl flights
Dulles Intl to Toronto Island flights
Baltimore to Pierre Elliott Trudeau Intl flights
Reagan-National to Toronto Island flights
Baltimore to Toronto Island flights
Dulles Intl to Ottawa flights
Reagan-National to Ottawa flights
Baltimore to Ottawa flights
Dulles Intl to Hamilton flights
Baltimore to Thunder Bay flights
Dulles Intl to Thunder Bay flights
Dulles Intl to Sudbury flights
Dulles Intl to Sault Ste Marie flights
Reagan-National to Hamilton flights
Reagan-National to Thunder Bay flights
Reagan-National to London flights
Baltimore to London flights
Reagan-National to Sault Ste Marie flights
Reagan-National to Windsor flights
Baltimore to Windsor flights
Baltimore to Sault Ste Marie flights
Dulles Intl to Timmins flights
Baltimore to North Bay flights
Dulles Intl to Kingston flights
Reagan-National to Kingston flights
Baltimore to Kingston flights

Top airline flying from Dulles Intl to London

Discover the top airline that operate flights from Dulles Intl to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 3,117,830 searches. Data last updated June 12, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$326Average$654FlexibilityNo cancel feeOn-time67%
New York to Orlando flights
Dallas to Phoenix flights
Los Angeles to Tokyo Haneda Airport flights
Minneapolis to Orlando flights
Portland to Las Vegas flights
Cleveland to Orlando flights
Dallas to Tampa flights
USA to Indonesia flights
Denver to Minneapolis flights
Burbank to Las Vegas flights
Philadelphia to Atlanta flights
Washington, D.C. Dulles Intl Airport to Abbotsford flights

Search flights from Dulles Intl to London by cabin class

Find flights from Dulles Intl to London, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Gaziantep
Flights to Miyakojima Hirara
Flights to Figari-Sud Corse
Flights to Mason City
Flights to Komatsu
Flights to Sendai
Flights to Rhinelander Oneida County
Flights to Constanţa Mihail Kogalniceanu
Flights to Brainerd Crow Wing County
Flights to Reus
Flights to Virac
Flights to Neiva La Marguita
Flights to Pellston Emmet County
Flights to Urumqi
Flights to Bastia Poretta
Flights to Samos
Flights to Hyannis Barnstable
Flights to Provincetown
Flights to Alghero-Fertilia
Flights to Laayoune Hassan I
Flights to Devils Lake
Flights to Vava'u Lupepau'U
Flights to Hakodate
Flights to Edremit/Korfez
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.
View all available airlines