$404 Cheap Flights from London (LHR) to Cancun (CUN)

View $404 flight on Wed, Dec 31, 2025Opens in a new window

Popular airlines from Heathrow Airport (LHR) to Cancun Intl. Airport (CUN)

Cheap Flights from London to Cancun (LHR-CUN)

Prices were available within the past 7 days and start at $404 for one-way flights and $581 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Wed, Apr 15 - Wed, Apr 22
LHR
London
CUN
Cancun
$581 Roundtrip, found 6 days ago
$581
Roundtrip
found 6 days ago
Select Aer Lingus flight, departing Wed, Apr 15 from London to Cancun, returning Wed, Apr 22, priced at $581 found 6 days ago
Aer Lingus
Tue, Mar 10 - Sat, Mar 14
LHR
London
CUN
Cancun
$603 Roundtrip, found 6 days ago
$603
Roundtrip
found 6 days ago
Select Aer Lingus flight, departing Tue, Mar 10 from London to Cancun, returning Sat, Mar 14, priced at $603 found 6 days ago
Aer Lingus
Thu, Jan 15 - Sat, Jan 24
LHR
London
CUN
Cancun
$603 Roundtrip, found 2 days ago
$603
Roundtrip
found 2 days ago
Select Aer Lingus flight, departing Thu, Jan 15 from London to Cancun, returning Sat, Jan 24, priced at $603 found 2 days ago
Virgin Atlantic
Wed, Dec 10 - Wed, Dec 17
LHR
London
CUN
Cancun
$610 Roundtrip, found 2 days ago
$610
Roundtrip
found 2 days ago
Select Virgin Atlantic flight, departing Wed, Dec 10 from London to Cancun, returning Wed, Dec 17, priced at $610 found 2 days ago
Swiss International Air Lines
Wed, Nov 26 - Sun, Nov 30
LHR
London
CUN
Cancun
$611 Roundtrip, just found
$611
Roundtrip
just found
Select Swiss International Air Lines flight, departing Wed, Nov 26 from London to Cancun, returning Sun, Nov 30, priced at $611 just found
Lufthansa
Wed, Jan 21 - Sat, Jan 31
LHR
London
CUN
Cancun
$615 Roundtrip, found 3 days ago
$615
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Wed, Jan 21 from London to Cancun, returning Sat, Jan 31, priced at $615 found 3 days ago
Swiss International Air Lines
Thu, Sep 25 - Thu, Oct 9
LHR
London
CUN
Cancun
$626 Roundtrip, found 3 days ago
$626
Roundtrip
found 3 days ago
Select Swiss International Air Lines flight, departing Thu, Sep 25 from London to Cancun, returning Thu, Oct 9, priced at $626 found 3 days ago
American Airlines
Tue, Nov 25 - Tue, Dec 2
LHR
London
CUN
Cancun
$631 Roundtrip, found 16 hours ago
$631
Roundtrip
found 16 hours ago
Select American Airlines flight, departing Tue, Nov 25 from London to Cancun, returning Tue, Dec 2, priced at $631 found 16 hours ago
Air Canada
Fri, Oct 3 - Sat, Oct 11
LHR
London
CUN
Cancun
$640 Roundtrip, found 13 hours ago
$640
Roundtrip
found 13 hours ago
Select Air Canada flight, departing Fri, Oct 3 from London to Cancun, returning Sat, Oct 11, priced at $640 found 13 hours ago
TAP Portugal
Wed, Jan 7 - Tue, Jan 13
LHR
London
CUN
Cancun
$678 Roundtrip, found 4 days ago
$678
Roundtrip
found 4 days ago
Select TAP Portugal flight, departing Wed, Jan 7 from London to Cancun, returning Tue, Jan 13, priced at $678 found 4 days ago

Find the cheapest month to fly from London (LHR) to Cancun (CUN)

January is typically the cheapest month to fly

From $593 - $1,230 per traveler.

Alternative airports near Cancun

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Cancun Intl. CUN. Cheapest and Closest option available. Average driving time to city center is 18 minutes. Flights from $749
CUN
Cancun Intl.
CheapestClosest
Average driving time to city center18 min
Flights from $749
Flights from London (LHR) to Cancun (CUN)
Origin airport
Heathrow
Destination airport
Cancun Intl.
Airlines serving
Aer Lingus, Aeromexico, Air Canada, Air France, American Airlines, Delta, Finnair, Iberia, JetBlue Airways, KLM, Lufthansa, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic, avianca
Roundtrip price
$580
Distance
4940 mi

London to Cancun Flights

The cheapest times to fly from London to Cancun

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

 

The best time to book a flight from London to Cancun

Sunday is one of the best days to book for cheap flights from London to Cancun: 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 London to Cancun

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 London to Cancun in 2025. You can also book with separate airlines for your outbound and return journeys, from $404 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 London to Cancun 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 London to Cancun 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 Heathrow Airport (LHR) to Cancun Intl. Airport (CUN) cost?
Secure a cheap one-way flight from $404 or cheap return flight from $581 from Heathrow Airport (LHR) to Cancun Intl. Airport (CUN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Heathrow Airport (LHR) to Cancun Intl. Airport (CUN)?
April is the cheapest month to fly from LHR to CUN. Timing your trip outside of the busy season is often the key to landing a great deal.
Which airlines fly direct from Heathrow Airport (LHR) to Cancun Intl. Airport (CUN)?
You can't fly nonstop to Cancun Intl. Airport (CUN) from London (LHR-Heathrow). However, you can easily journey to Cancun without any layovers by departing from Gatwick Airport (LGW).
What is the cheapest airline that flies from Heathrow Airport (LHR) to Cancun Intl. Airport (CUN)?
To find the cheapest airline that'll fly you from LHR to CUN, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Heathrow Airport (LHR) to Cancun Intl. Airport (CUN)?
You'll have to hop on a flight with a layover when traveling from Heathrow Airport (LHR) to Cancun Intl. Airport (CUN). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from LHR to CUN?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary based on a range of factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Heathrow Airport (LHR) to Cancun Intl. Airport (CUN)?
To land at Cancun Intl. Airport (CUN) on time, book a flight that leaves Heathrow Airport (LHR) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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.
Is it cheaper to buy a plane ticket from Heathrow Airport (LHR) to Cancun Intl. Airport (CUN) last-minute?
Waiting until right before your break to book a flight from LHR to CUN often results in higher prices. While you may come across some last-minute deals, they aren't always guaranteed. Keep your travel plans flexible for a better chance of getting a bargain.
Is it cheaper to book a LHR to CUN flight and hotel package?
Compared with arranging flights and hotels separately, booking a LHR to CUN flight and hotel package with Expedia could result in significant savings. Better still, having everything in one place will take the hassle out of travel planning. Just pick your flights and select from our extensive range of stays, then personalize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Heathrow Airport (LHR) to Cancun Intl. Airport (CUN)?
Typically, you're able to cancel or reschedule your LHR to CUN flight. However, additional fees may apply, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you want further details, go to our Customer Service portal.

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*Available to One Key members.