Cheap flights from Heathrow to Cancun
Know your dates, get live prices in seconds:
We work with more than 300 partners to bring you better travel deals
The best prices from Heathrow to Cancun are usually found in January or September, booked 56 days in advance, depart on a Tuesday or Wednesday and return on a Monday
How to find the cheapest flight from
Heathrow (LHR) to Cancun (CUN)
LHR - CUN
£525 - £811
21 - 32 °C
|Popular in||August||High demand for flights, 24% potential price rise|
|Cheapest in||January||Best time to find cheap flights, 15% potential price drop|
|Round-trip from||£525||From Heathrow to Cancun|
|One-way from||£395||One-way flight from Heathrow to Cancun|
What is the cheapest day to fly return from Heathrow to Cancun?
Monday is generally a great day to depart. Flying on this day could help you save up to 13%.
How far in advance should I book a flight from Heathrow to Cancun?
To save on the cost of your flight from Heathrow to Cancun, book at least 43 days before your planned departure. Booking around this time can save you about 8% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £477 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £512.
What is the cheapest month to fly from Heathrow to Cancun?
Our data shows that March tends to be the cheapest month to fly to Cancun from Heathrow. Users have commonly found prices around £607 for the month, but tickets can be as low as £417. Due to multiple factors, prepare for potentially higher prices in August.
When is the cheapest time to fly from Heathrow to Cancun (LHR - CUN)?
It’s optimal to fly from Heathrow to Cancun in the evening. By choosing this option you can save up to 13% on the cost of your flight, compared to a flight in the midday.