Cheap Flights from London Heathrow to Cancun

Compare London Heathrow to Cancun flight deals

Find the cheapest month or even day of the year to fly to Cancun

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Flight deals from London Heathrow to Cancun

Looking for a cheap last-minute deal or the best return flight from London Heathrow Airport to Cancun Airport? If you want to travel next month, return fares start from R 14,065. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from London Heathrow to Cancun

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London Heathrow to Cancun flights are currently cheapest in August.

Direct flights from London Heathrow to Cancun

London Heathrow to Cancun: Alternative routes

Compare routes from London Heathrow to Cancun below. You may find an airport to fly into that's cheaper, faster, or easier than Cancun.

London to Cancun: Flight information

The things to know before you go.
Cheapest flight foundR 6,740
Cheapest month to flyAugust
Average flight time11 hrs
Most popular airlineDelta
Average flights per week7

Finding cheap flights from London Heathrow to Cancun: Frequently asked questions

The best price we found for a return flight from London Heathrow to Cancun is R 10,426. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
11 hours is the average flight time from London Heathrow to Cancun.
Delta and Virgin Atlantic fly direct from London Heathrow to Cancun.
As of June 2026, there are 7 flights per week flying from London Heathrow to Cancun.
The cheapest month to fly from London Heathrow to Cancun is usually January.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Heathrow Airport to Cancun Airport on Tuesday, 26 January 2027.
Yes – the average flight time is 11 hours.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Cancun but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Cancun is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Aer Lingus and Virgin Atlantic offer the cheapest flight tickets to Cancun.

Travelling from London Heathrow Airport (LHR) to Cancun Airport (CUN): what you need to know

  • Take a direct flight from London Heathrow Airport to Cancun Airport and you'll be in the air for an average of 10 hours 40 minutes.

  • Cancun is five hours behind London and follows the UTC-5 timezone.

  • Give yourself enough time to catch your LHR to CUN flight. As a rule of thumb, arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Travelling during a peak time such as July? Major public holidays and other popular periods can mean longer lines at check-in and security. Play things extra safe and get there up to four hours ahead of an international flight and two hours before domestic departures.

  • Jetting into Cancun (and then seeing more of Mexico!) is a breeze with Virgin Atlantic. This popular airline has direct flights from London Heathrow Airport to Cancun Airport.

  • The majority of passengers choose to fly with Virgin Atlantic on this route.

  • With a reliable 95.83% of services arriving as scheduled, Virgin Atlantic has the best on-time record for LHR to CUN flights.

  • We make it a piece of cake to book a flight with a stopover. To see all your options for tickets from London Heathrow Airport to Cancun Airport, uncheck 'Direct flights only.' Then, choose a flight with a stop long enough to tour your chosen city. Stopovers between LHR and CUN include:

    • Miami International Airport

    • Glasgow Intl Airport

    • Newcastle Airport

How to find the cheapest flights from London Heathrow Airport (LHR) to Cancun Airport (CUN)

  • R 6,740 is currently the lowest price for a one-way London Heathrow Airport to Cancun Airport flight. Return flights start at R 10,426. These prices may change based on availability and demand.

  • Score cheap tickets from LHR to CUN by booking at least one month ahead. Based on our research, that's the sweet spot for bagging a bargain.

  • The cheapest month for flights from London Heathrow Airport to Cancun Airport is June. Use the 'Whole month' tool to see the lowest airfares if you have a flexible schedule.

  • You won't have to check back in every day to see if fares have gone down when you set up a Price Alert. We'll send you an update as soon as a special offer becomes available on cheap flights from LHR to CUN.

  • Tailor your flights using filters. Select your arrival and departure times, total journey duration and airlines. You can also sort your results by 'Best,' 'Cheapest' or 'Fastest' flights from London Heathrow Airport to Cancun Airport.

Handy information about London Heathrow Airport (LHR)

  • 78% of flights departing from London Heathrow Airport arrive at their destination on time.

  • Central London to London Heathrow Airport is around 24 kilometres. Depending on traffic, it'll take you about 45 minutes to get there if you're driving, catching a taxi or ride-sharing.

  • Catching public transport? You can expect a journey time of around 25 minutes.

  • Get your trip off to a stress-free start by staying near LHR. Whether you're taking an early flight from London Heathrow Airport to Cancun Airport or just don't like being rushed, these stays are the answer:

Arriving at Cancun Airport (CUN)

  • The last thing you want is a long journey to your hotel if you're landing late on a London Heathrow Airport to Cancun Airport flight. Book one of these accommodation options near CUN instead:

  • Pick up a Cancun Airport rental car and explore Cancun and beyond with your own wheels. MEX, America and Europcar are popular outlets to choose from here.

  • For the best deal, reserve your vehicle from Cancun Airport about three weeks before travelling.

Getting from Cancun Airport (CUN) to central Cancun

  • From Cancun Airport, Cancun is approximately 16 kilometres away. It takes around 25 minutes to reach the centre driving.

  • When travelling by public transport, expect a journey time of about 35 minutes.

When to fly to Cancun Airport (CUN)

  • It's time to choose your trip dates for your flight from London Heathrow Airport to Cancun Airport. April is the busiest month to visit Cancun. If you like a more laid-back vibe, go in March.

  • The warmest month in Cancun is August, with the temperature ranging between 26ºC (79ºF) and 32ºC (90ºF). Book your flights from London Heathrow Airport to Cancun Airport in this month if this is the kind of weather you like.

  • If you want cooler conditions, search for a cheap ticket from LHR to CUN in January. Average temperatures are between 20ºC (68ºF) and 27ºC (81ºF) then.

Explore more of Mexico

  • Merida is just one of the many cities in Mexico waiting to be discovered once you've seen the sights of Cancun. Around 290 kilometres away to the west, well-known attractions include Chichen Itza, cenotes y pueblos magicos, Chichen-itza Park and Nva. Chichen Itza Park.

  • Campeche is another standout destination in Mexico and is around 418 kilometres west of Cancun. No trip is complete without a visit to Zona Arquelogica Edzna, Old City Wall and Plaza de la Independencia.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.