$328 Cheap Flights from Toronto (YYZ) to London (LHR)

  • 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
Find available prices by choosing your travel dates.

Cheap Flights from Toronto to London (YYZ-LHR)

Prices were available within the past 7 days and start at $328 for one-way flights and $457 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Icelandair
Lufthansa
TAP Portugal
American Airlines
British Airways
Virgin Atlantic
Delta
United
KLM
Flights from Toronto (YYZ) to London (LHR)
Origin airport
Pearson Intl.
Destination airport
Heathrow
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, KLM, LOT-Polish Airlines, Lufthansa, SATA International-Azores Airlines S.A., Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, United, Virgin Atlantic
Roundtrip price
$456
Distance
3545 mi

Toronto to London Flights

The cheapest times to fly from Toronto to London

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Toronto to London are during the month of May. You can find some of the cheapest flights from Toronto to London with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Toronto to London

Sunday is one of the best days to book for cheap flights from Toronto to London: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Toronto to London

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Toronto to London in 2025. You can also book with separate airlines for your outbound and return journeys, from $328 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Toronto to London flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Toronto to London airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Pearson Intl. Airport (YYZ) to Heathrow Airport (LHR) cost?
Cheap round-trip fares from Pearson Intl. Airport (YYZ) to Heathrow Airport (LHR) start from $540. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a American Airlines flight leaving YYZ on May 19 2025 and touching down at LHR. The price was last updated on April 24 2025 and has not changed since.
What is the cheapest month to fly from YYZ to LHR?
The cheapest flights from YYZ to LHR are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Pearson Intl. Airport (YYZ) to Heathrow Airport (LHR)?
Take a nonstop flight with Air Canada and go straight from Pearson Intl. Airport (YYZ) to Heathrow Airport (LHR).
What is the cheapest airline that flies from YYZ to LHR?
At the moment, the cheapest carrier offering one-way flights from YYZ to LHR is Air Canada. You can jet off on this route from $370. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from YYZ on April 29 2025. Prices were last updated on April 24 2025 and have not changed since.
How many flights per day from Pearson Intl. Airport (YYZ) to Heathrow Airport (LHR)?
When jetting out of Pearson Intl. Airport (YYZ), you’ll have your pick from an average of 4 daily direct flights to Heathrow Airport (LHR).
What are the most popular departure times for flights from Pearson Intl. Airport (YYZ) to Heathrow Airport (LHR)?
More people fly between YYZ and LHR at 10 PM than at any other point in the day. Prefer a quieter experience? Consider flying outside peak hours and it’s possible you’ll save on your ticket as well.
What day of the week has the most flights from YYZ to LHR?
Sunday offers the most flights from Pearson Intl. Airport (YYZ) to Heathrow Airport (LHR). Consider taking off on this day and you’ll have a greater chance of finding a departure that fits your schedule.
What is the earliest flight from Pearson Intl. Airport (YYZ) to Heathrow Airport (LHR)?
Catch the earliest flight at around 5:40PM UTC-5, leaving from Pearson Intl. Airport (YYZ). You’ll be in the air for about 7h 15m, reaching Heathrow Airport (LHR) at approximately 5:55AM UTC+0.
How long does it take to fly from Pearson Intl. Airport (YYZ) to Heathrow Airport (LHR)?
It takes around 7 hours and 15 minutes to fly the 3,500 mi from YYZ to LHR.
What airline has the least delays from YYZ to LHR?
Consider traveling with United Airlines if you’d like to fly straight from Pearson Intl. Airport (YYZ) to Heathrow Airport (LHR) without any holdups. This airline has the best track record for punctuality, with an on-time score of 87%. Want to be notified if anything changes? You can keep an eye on your flight status using the Expedia App.
What is the best time to fly from Pearson Intl. Airport (YYZ) to Heathrow Airport (LHR)?
To avoid possible delays on the Pearson Intl. Airport (YYZ) to Heathrow Airport (LHR) route, aim to travel before 3 PM. Departures after this time have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for London from Pearson Intl. Airport (YYZ)?
Catch a direct flight from Pearson Intl. Airport (YYZ) to London and touch down at Heathrow Airport (LHR). Another gateway to the city is Gatwick Airport (LGW).
Is it cheaper to buy a plane ticket from Pearson Intl. Airport (YYZ) to Heathrow Airport (LHR) last-minute?
Booking your plane ticket from YYZ to LHR just before your journey is typically more expensive. But if you’re flexible with your travel dates and times, you could grab a cheap last-minute fare.
Is it cheaper to book a YYZ to LHR flight and hotel package?
Compared with arranging flights and hotels separately, booking a YYZ to LHR flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one convenient place takes the hassle out of planning your trip. Simply secure your flights and select from our extensive range of stays, then personalize your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Pearson Intl. Airport (YYZ) to Heathrow Airport (LHR)?
You can usually cancel or reschedule your YYZ to LHR flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline’s policies in your itinerary to see what changes are allowed and if any costs are involved. You’ll also find more details on our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.