$328 Cheap Air Canada flights London (YXU) to Washington (IAD)

View $328 flight on Wed, Jul 23, 2025Opens in a new window

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

$328 Cheap Air Canada flights London (YXU) to Washington (IAD)

Prices were available within the past 7 days and start at $328 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from London (YXU) to Washington (IAD)
Origin airport
London Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
WestJet
Popular airline
WestJet
Distance
341 mi

Frequently asked questions

How much is an Air Canada flight from London Intl. Airport (YXU) to Washington Dulles Intl. Airport (IAD)?
Apply the "Price (lowest to highest)" filter on Expedia to look for cheap Air Canada round-trip flights from YXU to IAD. Affordable one-way fares from $328 are available as well.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from YXU to IAD with Air Canada?
Air Canada flights to Washington tend to be cheaper in the quieter months of January and February. Whether you're searching for a one-way or round-trip ticket, you could find a better deal then.
What is the cheapest time to book flights from London Intl. Airport (YXU) to Washington Dulles Intl. Airport (IAD) with Air Canada?
To find cheap flights from YXU to IAD with Air Canada, begin searching about one month before your intended departure. You can save 17% when you book your international tickets 18 to 29 days ahead instead of booking four to five months in advance. Another tip? Booking on Sunday can lead to average savings of 17% compared to Friday (the most expensive day).**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Air Canada fly nonstop from London Intl. Airport (YXU) to Washington Dulles Intl. Airport (IAD)?
To find out if there's a direct trip from YXU to IAD with Air Canada or other airlines, check the "Nonstop" filter when searching for flights.
What is the earliest Air Canada flight from YXU to IAD?
Filter your results by "Morning" and "Early Morning" to find the earliest departures from YXU to IAD. Setting off early means you're 20% less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Air Canada fly into in Washington?
Air Canada flights from London Intl. Airport (YXU) to Washington come in to land at Washington Dulles Intl. Airport (IAD). This is the main gateway here.
Why fly with Air Canada from YXU to IAD?
Air Canada makes traveling from YXU to IAD more comfortable with an excellent in-flight experience and a 4-star airline rating. You even have the chance to collect points with Air Canada Aeroplan. Remember to join our free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future travel.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Air Canada flight from London Intl. Airport (YXU) to Washington Dulles Intl. Airport (IAD)?
It's usually possible to modify or cancel your flight, although additional fees may apply if your booking was made more than 24 hours ago. Need flexible options? Use Expedia's "No cancel fee" or "Changes included" filter to find flights that won't charge you extra if you have to adjust your plans. To modify your booking, head to "Trips," select your flight and click on "Manage Booking" for more details.

Explore a world of travel with Expedia

*Available to One Key members.