Flights from London Heathrow to Cancun

Our cheapest offers for flights from London Heathrow to Cancun

Here you can compare cheap flights from London Heathrow (LHR) to Cancun (CUN) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Cancun. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
London Heathrow
Cancun
Outbound
05/10/25
1 Stopover (FRA)
LH0925, DE2116
16h 00min
Return
-
Lufthansa, Condor
£802
London Heathrow
Cancun
Outbound
18/11/25
1 Stopover (YUL)
AC0865, AC1884
14h 15min
Return
24/11/25
1 Stopover (YVR)
AC1315, AC0860
22h 50min
Air Canada
£439
Best option
London Heathrow
Cancun
Outbound
06/10/25
1 Stopover (YUL)
AC0867, AC1884
17h 20min
Return
20/10/25
1 Stopover (YUL)
AC1885, AC0864
17h 35min
Air Canada
£440
London Heathrow
Cancun
Outbound
06/10/25
1 Stopover (DFW)
AY5753, AY3703
17h 40min
Return
20/10/25
1 Stopover (JFK)
B60052, AY4016
13h 15min
Finnair
£2,091
London Heathrow
Cancun
Outbound
18/11/25
2 Stopovers (ZRH, YUL)
AC6818, AC6821, AC1884
18h 40min
Return
24/11/25
1 Stopover (YVR)
AC1315, AC0860
22h 50min
Air Canada
£443
London Heathrow
Cancun
Outbound
18/11/25
2 Stopovers (YUL, YVR)
AC0865, AC0311, AC1316
22h 35min
Return
24/11/25
1 Stopover (YVR)
AC1315, AC0860
22h 50min
Air Canada
£444
London Heathrow
Cancun
Outbound
18/11/25
2 Stopovers (YUL, YVR)
AC0865, AC0311, AC1316
22h 35min
Return
24/11/25
1 Stopover (YVR)
AC1315, AC0860
22h 50min
Air Canada ?
£446
London Heathrow
Cancun
Outbound
06/10/25
1 Stopover (YUL)
AC0867, AC1884
17h 20min
Return
20/10/25
1 Stopover (YUL)
AC1885, AC0864
17h 35min
Air Canada ?
£446
London Heathrow
Cancun
Outbound
06/10/25
1 Stopover (YUL)
AC0867, AC1884
17h 20min
Return
20/10/25
1 Stopover (YUL)
AC1885, AC0864
17h 35min
Air Canada
£452
London Heathrow
Cancun
Outbound
06/10/25
1 Stopover (YUL)
AC0867, AC1884
17h 20min
Return
20/10/25
1 Stopover (YUL)
AC1885, AC0864
17h 35min
Air Canada
£453
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from London Heathrow to Cancun

Favourite airline: Air Canada
Flight tickets on the route London Heathrow – Cancun are most frequently booked with Air Canada.
Air Canada
19 %
United Airlines
16 %
Aeroméxico
14 %
Favourite connection: via Mexico City
21 % of tickets booked on this route are for flights via Mexico City.
Route
bookings
1 stopover Mexico City-Juarez International
16h 52min, from 654 GBP
21 %
1 stopover Toronto Pearson
21h 15min, from 645 GBP
19 %
1 stopover Istanbul
42h 35min, from 913 GBP
17 %

Important flight information

Flight information: London Heathrow - Cancun

Cheapest outbound flight from 801,50 GBP
Outbound and return from 438,50 GBP
Distance 7960 km
Departure airport Airport London Heathrow (LHR)
Arrival airport Airport Cancun (CUN)
Destination country Flights to Mexico
Alternative routes to Mexico
Alternative flights to Cancun
Flight destinations with a similar price