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Cheap flights from London to Cancun

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Compare London 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 to Cancun

Looking for a cheap last-minute deal or the best round-trip flight from London to Cancun? Find the lowest prices on one-way and round-trip tickets right here.
Cancun.C$621 per passenger.Departing Tue, Jun 10, returning Tue, Jun 17.Round-trip flight with Air Canada.Outbound indirect flight with Air Canada, departing from London on Tue, Jun 10, arriving in Cancun.Inbound indirect flight with Air Canada, departing from Cancun on Tue, Jun 17, arriving in London.Price includes taxes and charges.From C$621, select.
Cancun.C$653 per passenger.Departing Sat, Sep 13, returning Sat, Sep 27.Round-trip flight with Air Canada.Outbound indirect flight with Air Canada, departing from London on Sat, Sep 13, arriving in Cancun.Inbound indirect flight with Air Canada, departing from Cancun on Sat, Sep 27, arriving in London.Price includes taxes and charges.From C$653, select.
Cancun.C$676 per passenger.Departing Tue, May 6, returning Fri, May 9.Round-trip flight with Air Canada.Outbound indirect flight with Air Canada, departing from London on Tue, May 6, arriving in Cancun.Inbound indirect flight with Air Canada, departing from Cancun on Fri, May 9, arriving in London.Price includes taxes and charges.From C$676, select.
Cancun.C$704 per passenger.Departing Sat, Nov 15, returning Sat, Nov 22.Round-trip flight with Air Transat.Outbound direct flight with Air Transat departing from London on Sat, Nov 15, arriving in Cancun.Inbound direct flight with Air Transat departing from Cancun on Sat, Nov 22, arriving in London.Price includes taxes and charges.From C$704, select.
Cancun.C$725 per passenger.Departing Sat, Jan 31, returning Sat, Feb 14.Round-trip flight with Air Transat.Outbound direct flight with Air Transat departing from London on Sat, Jan 31, arriving in Cancun.Inbound direct flight with Air Transat departing from Cancun on Sat, Feb 14, arriving in London.Price includes taxes and charges.From C$725, select.
Cancun.C$864 per passenger.Departing Sat, Oct 25, returning Thu, Oct 30.Round-trip flight with Air Canada.Outbound indirect flight with Air Canada, departing from London on Sat, Oct 25, arriving in Cancun.Inbound indirect flight with Air Canada, departing from Cancun on Thu, Oct 30, arriving in London.Price includes taxes and charges.From C$864, select.
Cancun.C$1,183 per passenger.Departing Sun, Dec 14, returning Sun, Dec 21.Round-trip flight with Air Canada.Outbound indirect flight with Air Canada, departing from London on Sun, Dec 14, arriving in Cancun.Inbound indirect flight with Air Canada, departing from Cancun on Sun, Dec 21, arriving in London.Price includes taxes and charges.From C$1,183, select.
Cancun.C$1,227 per passenger.Departing Wed, Apr 30, returning Tue, May 6.Round-trip flight with Air Canada and Spirit Airlines.Outbound indirect flight with Air Canada, departing from London on Wed, Apr 30, arriving in Cancun.Inbound indirect flight with Spirit Airlines, departing from Cancun on Tue, May 6, arriving in London.Price includes taxes and charges.From C$1,227, select.

When is the cheapest time to fly from London to Cancun?

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London to Cancun flights are currently cheapest in June.
Apr
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May
from C$676
Jun
from C$621
Jul
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Aug
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Sep
from C$653
Oct
from C$864
Nov
from C$704
Dec
from C$1,183
Jan
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Feb
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Mar
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Direct flights from London to Cancun

London to Cancun: Alternative routes

Compare routes from London 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 foundC$621
Cheapest month to flyJune
Average flight time4 hrs, 5 mins
Most popular airlineAir Transat
Average flights per week1

Finding cheap flights from London to Cancun: Frequently asked questions

The best price we found for a round-trip flight from London to Cancun is C$621. 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.
4 hours and 5 minutes is the average flight time from London to Cancun.
Air Transat flies direct from London to Cancun.
There is one flight per week flying from London to Cancun, as of April 2025.
The cheapest month to fly from London to Cancun is usually April 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Airport to Cancun Airport on Tuesday, June 10, 2025.
Yes – the average flight time is 4 hours and 5 minutes.
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, Air Canada and Air Transat offer the cheapest flight tickets to Cancun.

Travelling from London International Airport (YXU) to Cancun International Airport (CUN): what you need to know

  • Around 4 hours 10 minutes is how long you can expect to be travelling on a direct flight from London International Airport to Cancun International Airport.

  • Cancun's timezone is UTC-5, making Cancun one hour behind London.

  • Your YXU to CUN flight won't wait if you're late, so show up at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.

  • During popular months like August, it's best to get to the airport earlier than usual. Plan to arrive two hours before domestic departures and four hours ahead of an international flight whenever you're travelling during a high season in general.

  • Flying into Cancun (and then discovering more of Mexico!) is easy with Flair Airlines. This popular carrier offers direct flights from London International Airport to Cancun International Airport.

  • The airline that passengers book most often on this route is Flair Airlines.

  • The carrier with the top on-time arrival performance for YXU to CUN flights is Air Transat.

How to find the cheapest flights from London International Airport (YXU) to Cancun International Airport (CUN)

  • At the moment, C$325 is the cheapest price we've seen for a one-way London International Airport to Cancun International Airport flight. The best price for a return ticket is C$621. Keep in mind that fares may change due to availability when booking.

  • Book six months before you want to fly. After crunching the numbers on our calendar, this is how far you'll want to book ahead to find cheap tickets from YXU to CUN.

  • The cheapest month for flights from London International Airport to Cancun International Airport is May. Use the 'Whole month' tool to see the lowest airfares if you have flexible travel dates.

  • Getting your hands on cheap flights from YXU to CUN is easy with Price Alerts. Simply create one of these automatic alerts and we'll get in touch when a lower fare pops up.

  • Choose your ideal arrival and departure times, airlines and number of stops with the filters. Or sort your results by 'Cheapest' to find the best deals on flights from London International Airport to Cancun International Airport.

Handy information about London International Airport (YXU)

  • 50.41% of flights leaving from London International Airport touch down at their destination on time.

  • Central London to London International Airport is around 11 kilometres. Depending on traffic, it'll take about 20 minutes to get there if you're driving, ride-sharing or catching a cab.

  • The journey when using public transport takes roughly 55 minutes.

  • Get your break off to a leisurely start by staying near YXU. Whether you're taking an early flight from London International Airport to Cancun International Airport or just don't want to be rushed, these hotels are perfect:

Arriving at Cancun International Airport (CUN)

Getting from Cancun International Airport (CUN) to central Cancun

  • From Cancun International Airport, Cancun is approximately 19 kilometres away. It takes around 25 minutes to get to the centre driving.

When to fly to Cancun International Airport (CUN)

  • July is the busiest month for flights from London International Airport to Cancun International Airport. To skip the crowds, head to Cancun in May.

  • Book your flight from London International Airport to Cancun International Airport for August if you want to visit Cancun during its warmest month. Expect temperatures of between 26ºC (79ºF) and 32ºC (90ºF).

  • Look for cheap tickets from YXU to CUN in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between 20ºC (68ºF) and 27ºC (81ºF) on average.

Explore more of Mexico

  • Merida is just one of the many places in Mexico waiting to be explored after you've experienced Cancun. Around 290 kilometres away to the west, top sights here include P. ANDADOR NVA. CHICHEN ITZA, Pre Hispanic Town Of Uxmal and El Palacio de Gobierno.

  • If you're looking to explore another major destination in Mexico, consider Campeche, roughly 418 kilometres west of Cancun. Campeche Waterfront Promenade, Zona Arquelogica Edzna and Centro Historico de San Francisco de Campeche are among its highlights.

Plan the rest of your trip from London to Cancun

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.