British Airways flights from London Heathrow Airport to Cancún (LHR - CUN)

LHR — CUN
21 Mar — 28 Mar1
1 adult
1 adult, Economy, 0 bags

Cheapflights users flying from London to Cancún on British Airways typically fly into Cancun and depart from London Heathrow. Select your dates above for pricing.

British Airways flights from Heathrow to Cancún in 2026

Find detailed information about British Airways flights from Heathrow to Cancún. Explore the options provided by British Airways to plan your journey from Heathrow to Cancún. Data last updated 19 February 2026.

Return from

£644

Popular in

December

Cheapest in

September

Average price (all airlines)

£566
British Airways
  • British Airways
  • 12/4-21/4
  • 2 total stops
  • 30h 27m total
  • London to Cancún
Highest demand for flights from London Heathrow to Cancun; 2% potential price increase.
Best time to find cheap flights from London Heathrow to Cancun; 3% potential price drop.
Average price for all London Heathrow to Cancun flights (one-way and round-trip).
  • How do most travelers feel about British Airways?

    Cheapflights users who travel with British Airways (a popular airline from London Heathrow Airport to Cancún) have rated them a 6.7/10. This rating comes from 7,752 reviews. If you are looking to travel LHR-CUN, search your dates above.

Find British Airways flight deals from Heathrow to Cancún

Enter your travel dates to find the best prices.

Cheapest British Airways flights from Heathrow to Cancún
Explore the most affordable British Airways flight options available from Heathrow to Cancún. Find the lowest fares with prices last updated on 19 February 2026.

Fri 20/308:20
LHR
-
CUN
1 stop16h 25m
British Airways
Fri 27/312:10
CUN
-
LHR
1 stop13h 40m
British Airways
Deal found 18/2£7,335

How far ahead should I book a flight from London Heathrow Airport to Cancún with British Airways?

Use this chart to determine the optimal time to book a return flight from Heathrow to Cancún. Price data was last updated on 18 February 2026.

Booking with British Airways 78 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Cancún. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from London Heathrow Airport to Cancún with British Airways?

Currently, the most affordable month to book a British Airways flight from London Heathrow Airport to Cancún in January, with an average price of £420. Conversely, traveling with British Airways from London Heathrow Airport to Cancún in July will be the most expensive, with an average cost of £616. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

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
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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Other British Airways flights from Heathrow

Browse through other British Airways flights departing from Heathrow. Flight routes are based on user searches made on Cheapflights and were last updated on 19 February 2026.

See what others are saying about British Airways

Read reviews and see what other travellers are saying about their experiences with British Airways. 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 British Airways for your next flight. Reviews last updated 19 February 2026.
British Airways
6.7
Okay
7,752 reviews
Overview

Comfort

6.8

Crew

7.6

Food

6.4

Boarding

6.9

Entertainment

6.4

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