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Cheap flights from London Heathrow Airport to Cancún from £290

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Cancún departing on 20/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from London Heathrow Airport to Cancún

Cheap return flights

Logo
10:00 - 19:20LHR-CUN
15h 20m1 stop
Logo
10:00 - 09:35CUN-LHR
17h 35m1 stop
£467
Find Deal
Sat, 20 Sep - Sat, 11 Oct
Air Canada Logo
06:50 - 20:50LHR-CUN
20h 00m2 stops
Air Canada Logo
10:00 - 08:35CUN-LHR
16h 35m2 stops
£469Air Canada
Find Deal
Wed, 8 Oct - Mon, 20 Oct
United Airlines Logo
06:30 - 07:29LHR-CUN
29h 59m2 stops
United Airlines Logo
06:30 - 06:40CUN-LHR
19h 10m2 stops
£472United Airlines
Find Deal
Sat, 6 Dec - Mon, 15 Dec
American Airlines Logo
08:20 - 17:57LHR-CUN
14h 37m1 stop
American Airlines Logo
13:16 - 07:20CUN-LHR
13h 04m1 stop
£474American Airlines
Find Deal
Sat, 8 Nov - Tue, 18 Nov
American Airlines Logo
19:40 - 11:20LHR-CUN
21h 40m2 stops
American Airlines Logo
16:25 - 10:35CUN-LHR
12h 10m1 stop
£478American Airlines
Find Deal
Fri, 26 Sep - Wed, 15 Oct
Virgin Atlantic Logo
14:45 - 20:40LHR-CUN
10h 55mdirect
Virgin Atlantic Logo
20:20 - 13:45CUN-LHR
12h 25m1 stop
£483Virgin Atlantic
Find Deal
Sun, 7 Dec - Tue, 16 Dec
Virgin Atlantic Logo
14:45 - 20:40LHR-CUN
10h 55mdirect
Virgin Atlantic Logo
20:20 - 13:45CUN-LHR
12h 25m1 stop
£484Virgin Atlantic
Find Deal
Sun, 7 Dec - Thu, 18 Dec
United Airlines Logo
16:20 - 12:25LHR-CUN
25h 05m2 stops
United Airlines Logo
08:23 - 06:40CUN-LHR
17h 17m2 stops
£493United Airlines
Find Deal
Fri, 5 Dec - Mon, 15 Dec
Delta Logo
06:30 - 21:20LHR-CUN
19h 50m2 stops
Delta Logo
11:09 - 06:25CUN-LHR
14h 16m1 stop
£497Delta
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Sun, 7 Dec - Thu, 18 Dec
Delta Logo
06:30 - 21:20LHR-CUN
19h 50m2 stops
Delta Logo
12:10 - 06:25CUN-LHR
13h 15m1 stop
£498Delta
Find Deal
Sun, 7 Dec - Thu, 18 Dec

Air Canada flights from London Heathrow Airport to Cancún

Our best Air Canada deals on London Heathrow Airport to Cancún flight tickets
Air Canada
8 Oct
LHR06:50London Heathrow
20h 00m
2 stops
CUN20:50Cancun
20 Oct
CUN10:00Cancun
16h 35m
2 stops
LHR08:35London Heathrow
£469
Find similar
Air Canada
24 Sept
LHR09:30London Heathrow
16h 10m
2 stops
CUN19:40Cancun
1 Oct
CUN10:20Cancun
17h 15m
2 stops
LHR09:35London Heathrow
£470
Find similar
Air Canada
25 Sept
LHR09:30London Heathrow
33h 30m
1 stop
CUN13:00Cancun
5 Oct
CUN20:45Cancun
31h 15m
1 stop
LHR10:00London Heathrow
£470
Find similar

Delta flights from London Heathrow Airport to Cancún

Our best Delta deals on London Heathrow Airport to Cancún flight tickets
Delta
7 Dec
LHR06:30London Heathrow
19h 50m
2 stops
CUN21:20Cancun
18 Dec
CUN11:09Cancun
14h 16m
1 stop
LHR06:25London Heathrow
£497
Find similar
Delta
7 Dec
LHR06:30London Heathrow
19h 50m
2 stops
CUN21:20Cancun
18 Dec
CUN12:10Cancun
13h 15m
1 stop
LHR06:25London Heathrow
£498
Find similar
Delta
19 Sept
LHR16:50London Heathrow
24h 35m
2 stops
CUN11:25Cancun
2 Oct
CUN14:00Cancun
16h 15m
2 stops
LHR12:15London Heathrow
£1,074
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport to Cancún that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 12 September 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Cancún that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Sat 20/9

10:00-19:20

1 stop15h 20m

Cancun

Sat 11/10

10:00-09:35

1 stop17h 35m

£467

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Wed 8/10

06:50-20:50

2 stops20h 00m

Cancun

Mon 20/10

10:00-08:35

2 stops16h 35m

£469

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Sat 6/12

06:30-07:29

2 stops29h 59m

Cancun

Mon 15/12

06:30-06:40

2 stops19h 10m

£472

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Sat 8/11

08:20-17:57

1 stop14h 37m

Cancun

Tue 18/11

13:16-07:20

1 stop13h 04m

£474

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Fri 26/9

19:40-11:20

2 stops21h 40m

Cancun

Wed 15/10

16:25-10:35

1 stop12h 10m

£478

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Sun 7/12

14:45-20:40

Nonstop10h 55m

Cancun

Tue 16/12

20:20-13:45

1 stop12h 25m

£483

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Sun 7/12

14:45-20:40

Nonstop10h 55m

Cancun

Thu 18/12

20:20-13:45

1 stop12h 25m

£484

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Fri 5/12

16:20-12:25

2 stops25h 05m

Cancun

Mon 15/12

08:23-06:40

2 stops17h 17m

£493

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Sun 7/12

06:30-21:20

2 stops19h 50m

Cancun

Thu 18/12

11:09-06:25

1 stop14h 16m

£497

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Sun 7/12

06:30-21:20

2 stops19h 50m

Cancun

Thu 18/12

12:10-06:25

1 stop13h 15m

£498

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Cancún from

How to get the cheapest flight ticket from London Heathrow Airport to Cancún

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between London Heathrow Airport and Cancún?

What is the cheapest month to fly to Cancún?

The cheapest month to fly to Cancún from London Heathrow Airport is in January. Flight prices, which tend to average around £560, are often lower during this time because this is during the off-season. If you don’t want to visit Cancún in January, then you should wait until September to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of £565.

What is the cheapest day to depart on your flight to Cancún?

The cheapest day to depart from London Heathrow Airport to Cancún is on a Sunday. Travellers who choose to depart for Cancún on a Sunday will often find tickets for as low as £571. Flights from London Heathrow Airport to Cancún on a Saturday will generally be more expensive and average around £651. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Cancún?

In the morning is the cheapest time of day to fly from London Heathrow Airport to Cancún when you can find flight prices for as low as £571. Flying to Cancún in the morning is an ideal time because this is during off-peak travel hours. Flights at midday are often more expensive, with an average ticket price of £656.

What is the cheapest London Heathrow to Cancun flight route?

Fly from London Heathrow to Cancun for the best London Heathrow - Cancun flight prices

How far in advance should I book a flight to Cancún?

You are more likely to see cheaper flights to Cancún from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Cancún for around £660 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Cancún from London Heathrow Airport for as low as £582 on momondo.

What cabin class options are available on London Heathrow to Cancun flights?

There are 2 cabin classes available to choose from on London Heathrow to Cancun flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on London Heathrow Airport to Cancún flights?

No. A direct flight is the cheapest option for a flight between London Heathrow Airport to Cancún.

How have London Heathrow Airport to Cancún flight prices changed over time?

As of September 2025, prices for London Heathrow Airport to Cancún flights are approximately 6% more expensive when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to Cancún

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Cancún according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London Heathrow Airport to Cancún (LHR to CUN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Cancún

Best price found

£511

Fastest flight time

10h 55m

Direct flights

Mon, Thu and Sat

Airports in Cancún

1 airport
The best flight deal from London Heathrow Airport to Cancún found on momondo in the last 72 hours is £511
The fastest flight from London Heathrow Airport to Cancún takes 10h 55m
Direct flights go from London Heathrow Airport to Cancún on Monday, Thursday and Saturday. There are no airlines offering direct flights..
There is 1 airport near Cancún: Cancun (CUN)
Search flight deals

  • How far is London Heathrow to Cancun by plane?

    The distance between London Heathrow and Cancun is about 4929.2 mi. Flights usually cover this in 10h 55m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from London Heathrow Airport to Cancun Airport?

    Prices for flights from London Heathrow Airport to Cancun Airport refresh daily.

  • How many operators does momondo search for flights from London Heathrow Airport to Cancun Airport?

  • How old do you have to be to fly from London Heathrow Airport to Cancun Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Cancun Airport.

  • What documentation or ID do you need to fly to Cancun Airport?

    The necessary travel and health documents for your Cancun Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from London Heathrow Airport to Cancún?

  • What is the most popular airline from London Heathrow Airport to Cancún?

Best airlines flying from London Heathrow Airport to Cancún

Compare and see reviews for airlines that fly from London Heathrow Airport to Cancún with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom £440Free CancellationRating
7.0
546 reviews
Search Icelandair flights
Air CanadaPriceFrom £472Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
KLMPriceFrom £474Free CancellationRating
7.8
1,385 reviews
Search KLM flights
Air FrancePriceFrom £477Free CancellationRating
7.4
1,469 reviews
Search Air France flights
Virgin AtlanticPriceFrom £485Free CancellationRating
7.4
664 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom £490Free CancellationRating
6.6
7,361 reviews
Search British Airways flights
DeltaPriceFrom £493Free CancellationRating
7.9
7,960 reviews
Search Delta flights
American AirlinesPriceFrom £519Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
FinnairPriceFrom £521Free CancellationRating
7.6
1,323 reviews
Search Finnair flights
LufthansaPriceFrom £533Free CancellationRating
6.8
7,409 reviews
Search Lufthansa flights

Travelling to a place near Cancún?

Book flights to Cancún if you plan to visit one of these locations
Playa del Carmen
Isla Mujeres
Holbox
Akumal
Puerto Morelos
Puerto Aventuras
Valladolid

Why use momondo?

Why should I use momondo to find a flight deal from London to Cancún?

Finding the right flight to Cancún from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Cancún quick and easy, saving you time and money.

Can I find flights from London to Cancún with flexible booking policies on momondo?

Yes. All flights to Cancún from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from London to Cancún?

momondo helps you find the best flight between London and Cancún by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from London to Cancún right now. Can momondo alert me if prices change?

Yes. momondo can track prices for London to Cancún flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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