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Cheap flights from London to Cancún

LON — CUN
23 Jul — 30 Jul1
1 adult

Cheapflights Tip: The best prices from London to Cancun are usually found in September or January, booked 6 days in advance, depart on a Sunday or Tuesday and return on a Saturday

Cheap flight deals from London to Cancún

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Cancún (CUN). 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 July 2025.

Round-trip from

£498

One-way from

£322

Popular in

December

Cheapest in

September

Average price

£780

Good round-trip deal

£502 or less

Good one-way deal

£202 or less
Air Canada
  • Air Canada
  • 13/1-27/1
  • 3 total stops
  • 43h 40m total
  • London to Cancún
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26/9
  • 26/9
  • 1 total stop
  • 18h 55m total
  • London to Cancún
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Highest demand for flights based on searches. 2% potential increase in price (£11 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from London (LON) to Cancun.
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Price to beat on a one-way flight from London (LON) to Cancun.
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Best time to book a flight from London to Cancún

Have a flexible travel schedule? Discover the best time to fly to Cancún from London 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.

Cheapflights Insights

Everything you need to know about your flight from London to Cancún

How much does it cost for a return flight from London to Cancún?

Reviews of airlines servicing Cancún

Get insights into the airlines that provide service to Cancún. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Cancún. Reviews last updated 18 July 2025.
Check out reviews from past customers who have flown with Delta, KLM, andFinnair from London to Cancún to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,958 reviews
Check prices

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Delta
8.0
Very Good
7,958 reviews
Delta
8.0
Very Good
7,958 reviews
Check prices

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
KLM
7.8
Good
1,374 reviews
Delta
8.0
Very Good
7,958 reviews
Check prices

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Finnair
7.6
Good
1,316 reviews
Delta
8.0
Very Good
7,958 reviews
Check prices

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
SWISS
7.5
Good
1,661 reviews
Delta
8.0
Very Good
7,958 reviews
Check prices

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Virgin Atlantic
7.4
Good
655 reviews
Delta
8.0
Very Good
7,958 reviews
Check prices

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Travelling to a place near Cancún?

Book flights to Cancún if you plan to visit one of these locations
Holbox

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Fly from London to Cancún on these airlines

Choose from the following airlines for your flight from London to Cancún. Flights are based on user searches made on Cheapflights and were last updated on 18 July 2025.
British Airways flights from London to Cancun
TUI Airways flights from London to Cancun
Air Canada flights from London to Cancun
Virgin Atlantic flights from London to Cancun

Top 10 airlines flying from London to Cancún

Discover the top 10 airlines that operate flights from London to Cancún. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 18 July 2025.
AirlineCheapestAverageFlexibilityOn-time
TUI AirwaysCheapest£259Average£514FlexibilityNo cancel feeOn-timeN/A
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TAP AIR PORTUGALCheapest£394Average£590FlexibilityNo cancel feeOn-timeN/A
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IcelandairCheapest£445Average£533FlexibilityNo cancel feeOn-time76%
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British AirwaysCheapest£453Average£645FlexibilityNo cancel feeOn-time70%
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Air FranceCheapest£466Average£621FlexibilityNo cancel feeOn-time77%
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Air EuropaCheapest£478Average£568FlexibilityNo cancel feeOn-time83%
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Air CanadaCheapest£478Average£611FlexibilityNo cancel feeOn-time67%
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KLMCheapest£479Average£675FlexibilityNo cancel feeOn-time75%
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Virgin AtlanticCheapest£495Average£605FlexibilityNo cancel feeOn-time72%
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DeltaCheapest£498Average£612FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

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