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Cheap flights from London Heathrow Airport to Cancún from £318

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 5/3. 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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
20:05 - 18:10LHR-CUN
27h 05m1 stop
Multiple Airlines Logo
12:15 - 07:10CUN-LHR
13h 55m1 stop
£529Multiple Airlines
Find Deal
Mon, 24 Nov - Tue, 2 Dec
JetBlue Logo
09:20 - 12:05LHR-CUN
31h 45m1 stop
JetBlue Logo
12:09 - 21:40CUN-LHR
28h 31m1 stop
£543JetBlue
Find Deal
Mon, 2 Feb - Mon, 9 Feb
Icelandair Logo
12:20 - 14:55LHR-CUN
31h 35m1 stop
Icelandair Logo
12:09 - 09:30CUN-LHR
16h 21m1 stop
£545Icelandair
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Mon, 26 Jan - Thu, 5 Feb
Icelandair Logo
08:05 - 14:55LHR-CUN
35h 50m1 stop
Icelandair Logo
12:09 - 09:30CUN-LHR
16h 21m1 stop
£546Icelandair
Find Deal
Mon, 26 Jan - Thu, 5 Feb
Virgin Atlantic Logo
17:05 - 15:05LHR-CUN
27h 00m1 stop
Virgin Atlantic Logo
22:30 - 12:50CUN-LHR
9h 20mdirect
£553Virgin Atlantic
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Mon, 1 Dec - Sun, 14 Dec
Air Canada Logo
09:00 - 22:40LHR-CUN
18h 40m2 stops
Air Canada Logo
12:15 - 07:10CUN-LHR
13h 55m1 stop
£557Air Canada
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Thu, 29 Jan - Wed, 11 Feb
Virgin Atlantic Logo
14:45 - 20:40LHR-CUN
10h 55mdirect
Virgin Atlantic Logo
22:30 - 12:50CUN-LHR
9h 20mdirect
£557Virgin Atlantic
Find Deal
Wed, 4 Mar - Wed, 18 Mar
Air Canada Logo
09:00 - 22:40LHR-CUN
18h 40m2 stops
Air Canada Logo
12:15 - 07:10CUN-LHR
13h 55m1 stop
£559Air Canada
Find Deal
Wed, 26 Nov - Wed, 10 Dec
Aer Lingus Logo
08:50 - 19:20LHR-CUN
15h 30m1 stop
Aer Lingus Logo
21:05 - 15:35CUN-LHR
13h 30m1 stop
£563Aer Lingus
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Tue, 20 Jan - Tue, 27 Jan
TAP AIR PORTUGAL Logo
08:15 - 18:40LHR-CUN
15h 25m1 stop
TAP AIR PORTUGAL Logo
20:10 - 17:30CUN-LHR
16h 20m1 stop
£575TAP AIR PORTUGAL
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Thu, 20 Nov - Tue, 25 Nov

Air Canada flights from London Heathrow Airport to Cancún

Our best Air Canada deals on London Heathrow Airport to Cancún flight tickets
Air Canada
29 Jan
LHR09:00London Heathrow
18h 40m
2 stops
CUN22:40Cancun
11 Feb
CUN12:15Cancun
13h 55m
1 stop
LHR07:10London Heathrow
£557
Find similar
Air Canada
26 Nov
LHR09:00London Heathrow
18h 40m
2 stops
CUN22:40Cancun
10 Dec
CUN12:15Cancun
13h 55m
1 stop
LHR07:10London Heathrow
£559
Find similar
Air Canada
25 Nov
LHR09:00London Heathrow
18h 40m
2 stops
CUN22:40Cancun
2 Dec
CUN22:10Cancun
17h 25m
2 stops
LHR20:35London Heathrow
£562
Find similar

TAP AIR PORTUGAL flights from London Heathrow Airport to Cancún

Our best TAP AIR PORTUGAL deals on London Heathrow Airport to Cancún flight tickets
TAP AIR PORTUGAL
20 Nov
LHR08:15London Heathrow
15h 25m
1 stop
CUN18:40Cancun
25 Nov
CUN20:10Cancun
16h 20m
1 stop
LHR17:30London Heathrow
£575
Find similar
TAP AIR PORTUGAL
13 Nov
LHR16:30London Heathrow
31h 10m
1 stop
CUN18:40Cancun
20 Nov
CUN20:10Cancun
20h 25m
1 stop
LHR21:35London Heathrow
£581
Find similar
TAP AIR PORTUGAL
12 Nov
LHR18:30London Heathrow
29h 10m
1 stop
CUN18:40Cancun
20 Nov
CUN20:10Cancun
21h 30m
1 stop
LHR22:40London Heathrow
£583
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 30 October 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

Mon 24/11

20:05-18:10

1 stop27h 05m

Cancun

Tue 2/12

12:15-07:10

1 stop13h 55m

£529

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Mon 2/2

09:20-12:05

1 stop31h 45m

Cancun

Mon 9/2

12:09-21:40

1 stop28h 31m

£543

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Mon 26/1

12:20-14:55

1 stop31h 35m

Cancun

Thu 5/2

12:09-09:30

1 stop16h 21m

£545

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Mon 26/1

08:05-14:55

1 stop35h 50m

Cancun

Thu 5/2

12:09-09:30

1 stop16h 21m

£546

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Mon 1/12

17:05-15:05

1 stop27h 00m

Cancun

Sun 14/12

22:30-12:50

Nonstop9h 20m

£553

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Thu 29/1

09:00-22:40

2 stops18h 40m

Cancun

Wed 11/2

12:15-07:10

1 stop13h 55m

£557

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Wed 4/3

14:45-20:40

Nonstop10h 55m

Cancun

Wed 18/3

22:30-12:50

Nonstop9h 20m

£557

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Wed 26/11

09:00-22:40

2 stops18h 40m

Cancun

Wed 10/12

12:15-07:10

1 stop13h 55m

£559

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Tue 20/1

08:50-19:20

1 stop15h 30m

Cancun

Tue 27/1

21:05-15:35

1 stop13h 30m

£563

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Thu 20/11

08:15-18:40

1 stop15h 25m

Cancun

Tue 25/11

20:10-17:30

1 stop16h 20m

£575

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 September. Flight prices, which tend to average around £551, are often lower during this time because this is during the off-season. If you don’t want to visit Cancún in September, then you should wait until January to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of £578.

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 Tuesday. Travellers who choose to depart for Cancún on a Tuesday will often find tickets for as low as £551. Flights from London Heathrow Airport to Cancún on a Saturday will generally be more expensive and average around £666. 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 £575. 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 £664.

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 £669 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 £595 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?

You could potentially save up to 11% on your flight if you consider stops on a London Heathrow Airport to Cancún flight.

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

As of October 2025, prices for London Heathrow Airport to Cancún flights are approximately 2% cheaper 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

£390

Fastest flight time

10h 30m

Direct flights

Mon, Thu and Sat

Airports in Cancún

1 airport
The best one-way flight to Cancún from London Heathrow Airport in the past 72 hours is £390. The best return flight deal from London Heathrow Airport to Cancún found on momondo in the last 72 hours is £622.
The fastest flight from London Heathrow Airport to Cancún takes 10h 30m
Direct flights go from London Heathrow Airport to Cancún on Monday, Thursday and Saturday. Airline offering direct flights is Virgin Atlantic..
There is 1 airport near Cancún: Cancun (CUN)
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  • 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
Aer LingusPriceFrom £434Free CancellationRating
7.2
1,361 reviews
Search Aer Lingus flights
Air CanadaPriceFrom £471Free CancellationRating
7.1
10,378 reviews
Search Air Canada flights
DeltaPriceFrom £473Free CancellationRating
7.9
7,993 reviews
Search Delta flights
KLMPriceFrom £485Free CancellationRating
7.7
1,406 reviews
Search KLM flights
Virgin AtlanticPriceFrom £492Free CancellationRating
7.5
670 reviews
Search Virgin Atlantic flights
Air FrancePriceFrom £498Free CancellationRating
7.4
1,482 reviews
Search Air France flights
British AirwaysPriceFrom £499Free CancellationRating
6.7
7,487 reviews
Search British Airways flights
American AirlinesPriceFrom £518Free CancellationRating
7.2
11,030 reviews
Search American Airlines flights
FinnairPriceFrom £531Free CancellationRating
7.6
1,333 reviews
Search Finnair flights
LufthansaPriceFrom £538Free CancellationRating
6.8
7,541 reviews
Search Lufthansa flights

  • Virgin Atlantic Flights From London Heathrow Airport to Cancún

    Virgin Atlantic is one of the most popular airlines flying from London Heathrow Airport to Cancún, operating 3 flights/week on average for this route. A good Virgin Atlantic flight deal for London Heathrow Airport to Cancún starts from £492 round-trip, up to an average price of £618. Our users have rated Virgin Atlantic at 7.5/10.

Travelling to a place near Cancún?

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