$486 Cheap Flights from Cancun (CUN) to London (LHR)

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Find available prices by choosing your travel dates.

Cheap Flights from Cancun to London (CUN-LHR)

Prices were available within the past 7 days and start at $486 for one-way flights and $890 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

TAP Portugal
Air Canada
TAP Portugal
Air Canada
Air Canada
Air Canada
Virgin Atlantic
Lufthansa
United
Delta
Flights from Cancun (CUN) to London (LHR)
Origin airport
Cancun Intl.
Destination airport
Heathrow
Airlines serving
Aeromexico, Air Canada, Air France, American Airlines, British Airways, Delta, Finnair, Iberia, KLM, Lufthansa, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic, avianca
Roundtrip price
$890
Distance
4940 mi

Cancun to London Flights

The cheapest times to fly from Cancun 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 Cancun to London are during the month of March. You can find some of the cheapest flights from Cancun to London with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Cancun to London

Sunday is one of the best days to book for cheap flights from Cancun 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 Cancun 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 Cancun to London in 2025. You can also book with separate airlines for your outbound and return journeys, from $486 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 Cancun 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 Cancun 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 Cancun Intl. Airport (CUN) to Heathrow Airport (LHR) cost?
Discover the latest flight deals from CUN to LHR by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from CUN to LHR?
The cheapest flights from CUN 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.
What is the cheapest airline that flies from CUN to LHR?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from CUN to LHR. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Cancun Intl. Airport (CUN) to Heathrow Airport (LHR)?
You’ll have to hop on a flight with a layover if you’re traveling from Cancun Intl. Airport (CUN) to Heathrow Airport (LHR). There are no daily direct flights on this route. However, just filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from CUN to LHR?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary based on a number of factors, such as the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Cancun Intl. Airport (CUN) to Heathrow Airport (LHR)?
To avoid possible delays on the Cancun Intl. Airport (CUN) to Heathrow Airport (LHR) route, fly before 3 PM. Later departures are 22% more likely to be 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 Cancun Intl. Airport (CUN)?
Gatwick Airport (LGW) is the only airport in London with direct flights from Cancun Intl. Airport (CUN). Consider the options and find cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Cancun Intl. Airport (CUN) to Heathrow Airport (LHR) last-minute?
Waiting until just before your trip to book a ticket from CUN to LHR often results in higher prices. Although you may find some last-minute offers, they’re not always guaranteed. Keep your travel schedule open to boost your chances of snagging a bargain.
Is it cheaper to book a CUN to LHR flight and hotel package?
Compared with arranging hotels and flights separately, booking a CUN to LHR flight and hotel package with Expedia could result in significant savings. What’s more, having it all in one place will take the stress out of planning your trip. Simply secure your flights and choose from our wide range of stays, then customize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Cancun Intl. Airport (CUN) to Heathrow Airport (LHR)?
Typically, you can modify or cancel your CUN to LHR flight. However, additional fees may apply, especially if you made your booking over 24 hours ago. Check your itinerary for the airline’s fees and rules on flight changes, or if you want more details, go to our Customer Service portal.

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*Available to One Key members.