Cheap flights from Cancún to London Heathrow Airport from £257
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/3. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Cancún to Heathrow
Discover tips and strategies to find the most affordable flight options for your journey from Cancún (CUN) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 18 September 2025.
Round-trip from | £533 |
---|---|
One-way from | £257 |
Popular in | August |
Cheapest in | March |
Average price | £703 |
Good one-way deal | £256 or less |
Find flight deals from Cancún to Heathrow
Cheapest flights from Cancún to HeathrowExplore the most affordable flight options available from Cancún to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2025.
Explore the most affordable flight options available from Cancún to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2025.
Cheapflights Fare Finder
Use the filters below to find and compare flights from Cancún to London Heathrow Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
CancúnLondon
CUN - LHR
CUNLHR
Cancun
Thu 12/2
13:55-09:30
1 stop14h 35m
London Heathrow
Thu 26/2
07:25-19:05
1 stop16h 40m
CancúnLondon
CUN - LHR
CUNLHR
Cancun
Sun 1/3
08:00-11:50
1 stop22h 50m
London Heathrow
Wed 11/3
06:00-21:40
2 stops20h 40m
CancúnLondon
CUN - LHR
CUNLHR
Cancun
Tue 18/11
13:35-09:30
1 stop14h 55m
London Heathrow
Sun 23/11
08:30-18:03
1 stop14h 33m
CancúnLondon
CUN - LHR
CUNLHR
Cancun
Wed 19/11
13:35-09:30
1 stop14h 55m
London Heathrow
Tue 25/11
07:25-18:58
1 stop16h 33m
CancúnLondon
CUN - LHR
CUNLHR
Cancun
Wed 28/1
22:30-12:50
Nonstop9h 20m
London Heathrow
Wed 4/2
14:45-20:40
Nonstop10h 55m
CancúnLondon
CUN - LHR
CUNLHR
Cancun
Sun 1/3
22:30-12:50
Nonstop9h 20m
London Heathrow
Wed 11/3
14:45-20:40
Nonstop10h 55m
CancúnLondon
CUN - LHR
CUNLHR
Cancun
Fri 27/2
20:10-20:45
1 stop19h 35m
London Heathrow
Fri 13/3
07:25-18:05
1 stop15h 40m
CancúnLondon
CUN - LHR
CUNLHR
Cancun
Thu 30/10
20:10-21:35
1 stop20h 25m
London Heathrow
Thu 6/11
19:55-18:40
1 stop27h 45m
CancúnLondon
CUN - LHR
CUNLHR
Cancun
Tue 18/11
13:35-09:30
1 stop14h 55m
London Heathrow
Tue 25/11
07:25-18:58
1 stop16h 33m
CancúnLondon
CUN - LHR
CUNLHR
Cancun
Sat 6/12
13:09-09:15
2 stops39h 06m
London Heathrow
Sat 13/12
15:35-20:41
2 stops34h 06m
Best time to book a flight from Cancún to Heathrow
Have a flexible travel schedule? Discover the best time to fly to Heathrow from Cancún with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Cancún to London Heathrow Airport
What is the cheapest month to book a flight from Cancún to London Heathrow Airport?
Currently, January is the cheapest month in which you can book a flight from Cancún to London Heathrow Airport (average of £112). Flying from Cancún to London Heathrow Airport in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from CUN to LHR?
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Cancún to London Heathrow Airport as you normally would.
Related info for your journey
Find useful and relevant information for your journey from Cancún to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Travelling to a place near London Heathrow Airport?
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Alternative routes for Cancún to Heathrow
See prices for flight routes from nearby airports that may be better suited for you.
Fly with Cheapflights
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How does Cheapflights help users find flights from Cancún to Heathrow?
When you search for this flight from Cancún to Heathrow, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from Cancún to Heathrow?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Heathrow from Cancún.
Can Cheapflights find flights from Cancún to Heathrow with no change fees?
Certainly. Search results for flights to Heathrow from Cancún shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Can Cheapflights notify me if prices for flights from Cancún to Heathrow become cheaper?
Not ready to book yet? You can track prices for flights from Cancún to Heathrow on Cheapflights with our Price Alert feature and get notified when better prices are available.