United Airlines flights from London Heathrow Airport to Cancún (LHR - CUN)
LHR — CUN
29 Nov — 6 Dec1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
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Cheapest United Airlines flights from Heathrow to Cancún
Explore the most affordable United Airlines flight options available from Heathrow to Cancún. Find the lowest fares with prices last updated on 30 October 2026.
Thu 19/1112:05 -
1 stop33h 50m
Tue 24/1108:23 -
2 stops26h 57m
Deal found 29/10£678
Thu 19/1112:05 -
1 stop33h 50m
Mon 23/1112:35 -
1 stop13h 05m
Deal found 29/10£680
Wed 25/1116:20 -
2 stops26h 39m
Mon 30/1108:39 -
1 stop18h 01m
Deal found 28/10£681
Best United Airlines flights from Heathrow to Cancún
Discover carefully curated United Airlines flight deals from Heathrow to Cancún that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.
Wed 18/1118:00 -
1 stop24h 57m
Sat 5/1214:04 -
1 stop14h 06m
Deal found 29/10£680
Sun 15/1112:05 -
1 stop28h 20m
Mon 30/1108:39 -
1 stop18h 01m
Deal found 29/10£680
Mon 16/1110:00 -
1 stop31h 54m
Mon 30/1108:39 -
1 stop18h 01m
Deal found 29/10£680
Last-minute United Airlines flights from Heathrow to Cancún
Discover last-minute United Airlines flight deals from Heathrow to Cancún. Data last updated 30 October 2026 and is based on user searches.
Thu 19/1112:05 -
1 stop33h 50m
Tue 24/1108:23 -
2 stops26h 57m
Deal found 29/10£678
Thu 19/1112:05 -
1 stop33h 50m
Mon 23/1112:35 -
1 stop13h 05m
Deal found 29/10£680
Wed 25/1116:20 -
2 stops26h 39m
Mon 30/1108:39 -
1 stop18h 01m
Deal found 28/10£681
One-way United Airlines flights to Cancún
Search for one-way United Airlines flight options to Cancún. Find affordable one-way fares based on user searches. Data last updated 30 October 2026.
Wed 9/1216:20 -
2 stops24h 00m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 27/10£450
Fri 8/115:10 -
2 stops26h 00m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 30/10£456
Fri 12/212:05 -
1 stop30h 29m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 28/10£462
How do most travelers feel about United Airlines?
Cheapflights users who travel with United Airlines (a popular airline from London Heathrow Airport to Cancún) have rated them a 7.3/10. This rating comes from 10,451 reviews. If you are looking to travel LHR-CUN, search your dates above.
Can I get a flight from London Heathrow Airport to Cancún on United Airlines for under £750?
There are 8 flights available on United Airlines from London Heathrow Airport to Cancún for under £750. These prices can change based on many factors including date and time. To find LHR-CUN flight prices for your dates, click here.
United Airlines flights from Heathrow to Cancún in 2026
Find detailed information about United Airlines flights from Heathrow to Cancún. Explore the options provided by United Airlines to plan your journey from Heathrow to Cancún. Data last updated 30 October 2026.
Plan your trip to Cancún by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Cancún ranges from 29.0 - 282.0 inches per month. October is typically the wettest month, when rainfall can reach 282.0 mm. April is typically the driest time to visit Cancún when rainfall is around 29.0 mm.
Temperature in Cancún by month
Plan your trip to Cancún by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Cancún, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 30.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.0 C).
Best time to book a flight from Heathrow to Cancún
Have a flexible travel schedule? Discover the best time to fly to Cancún from Heathrow with our price prediction graph.
LHR-CUN
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
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Fly from Heathrow to Cancún on another airline
Consider alternative airlines that service the Cancún area. Flight routes are based on user searches made on Cheapflights and were last updated on 30 October 2026.
Browse through other United Airlines flights departing from Heathrow. Flight routes are based on user searches made on Cheapflights and were last updated on 30 October 2026.
If Cancún is not for you, choose from these other destinations located in North America. Flight routes are based on user searches made on Cheapflights and were last updated on 30 October 2026.
Browse through some of the most popular routes that United Airlines offers at this time. Flights are based on user searches made on Cheapflights and were last updated on 30 October 2026.
Read reviews and see what other travellers are saying about their experiences with United Airlines. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing United Airlines for your next flight. Reviews last updated 30 October 2026.
Too crowded need more legroom and space between seats
10.0
Wonderful|Oct 2026
Is good
10.0
Wonderful|Sept 2026
Everything was good
8.0
Very Good|Sept 2026
The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.
1 out of 3334
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