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United Airlines flights from London Heathrow Airport to Cancún (LHR - CUN)

LHR — CUN
4 Nov — 11 Nov1
1 adult
1 adult, Economy, 0 bags

Find United Airlines flight deals from Heathrow to Cancún

Enter your travel dates to find the best prices.

Cheapest United Airlines flights from Heathrow to Cancún

Fri 30/1016:20 -
2 stops24h 03m
Sat 14/1116:47 -
2 stops22h 48m
Deal found 30/9£661
Sun 15/1113:35 -
2 stops26h 50m
Sun 22/1115:11 -
1 stop15h 49m
Deal found 1/10£662
Fri 30/1011:35 -
2 stops23h 54m
Fri 13/1112:35 -
1 stop13h 05m
Deal found 1/10£667

  • 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 7.4/10. This rating comes from 10,285 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 £755?

    There are 8 flights available on United Airlines from London Heathrow Airport to Cancún for under £755. 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

One-way from

£442

Return from

£661

Popular in

December

Cheapest in

March

Average price (all airlines)

£734
United Airlines
  • United Airlines
  • 8/1-31/12
  • 3 total stops
  • 34h 20m total
  • London to Cancún
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United Airlines
  • United Airlines
  • 30/10-17/11
  • 2 total stops
  • 42h 38m total
  • London to Cancún
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Highest demand for flights from London Heathrow to Cancun; 0% potential price increase.
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Best time to find cheap flights from London Heathrow to Cancun; 2% potential price drop.
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Average price for all London Heathrow to Cancun flights (one-way and round-trip).
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Rainfall in Cancún 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

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.
Estimated return price

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Fly from Heathrow to Cancún on another airline

Virgin Atlantic flights from London Heathrow to Cancun
British Airways flights from London Heathrow to Cancun

See what others are saying about United Airlines

United Airlines
7.4
Good
10,000 reviews
Check prices
Overview

Crew

8.1

Food

6.7

Entertainment

7.1

Boarding

7.7

Comfort

7.3

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