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Cheap flights from London Heathrow Airport to Cancún from $469

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 10/9. 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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Find the cheapest flights from London Heathrow Airport to Cancún

Cheap round-trip flights

United Airlines Logo
6:30 am - 7:29 amLHR-CUN
29h 59m2 stops
United Airlines Logo
6:30 am - 10:15 amCUN-LHR
22h 45m1 stop
$639United Airlines
Find Deal
sáb., dic. 6 - lun., dic. 15
Air Canada Logo
1:25 pm - 7:00 amLHR-CUN
22h 35m2 stops
Air Canada Logo
8:00 am - 11:50 amCUN-LHR
22h 50m1 stop
$641Air Canada
Find Deal
mar., nov. 4 - mar., nov. 11
American Airlines Logo
4:30 pm - 11:03 amLHR-CUN
23h 33m1 stop
American Airlines Logo
12:02 pm - 6:35 amCUN-LHR
13h 33m1 stop
$642American Airlines
Find Deal
sáb., nov. 8 - dom., nov. 16
Air Canada Logo
6:00 pm - 12:55 pmLHR-CUN
23h 55m2 stops
Air Canada Logo
12:15 pm - 7:10 amCUN-LHR
13h 55m1 stop
$646Air Canada
Find Deal
sáb., nov. 8 - mar., nov. 18
American Airlines Logo
8:10 am - 8:04 pmLHR-CUN
17h 54m2 stops
American Airlines Logo
3:05 pm - 9:25 amCUN-LHR
12h 20m1 stop
$661American Airlines
Find Deal
dom., oct. 5 - dom., oct. 12
Delta Logo
6:30 am - 9:20 pmLHR-CUN
19h 50m2 stops
Delta Logo
8:00 am - 7:50 amCUN-LHR
18h 50m2 stops
$673Delta
Find Deal
dom., dic. 7 - mar., dic. 16
Delta Logo
6:30 am - 9:20 pmLHR-CUN
19h 50m2 stops
Delta Logo
12:10 pm - 6:25 amCUN-LHR
13h 15m1 stop
$674Delta
Find Deal
dom., dic. 7 - jue., dic. 18
Virgin Atlantic Logo
8:55 am - 9:20 pmLHR-CUN
17h 25m1 stop
Virgin Atlantic Logo
10:30 pm - 1:05 pmCUN-LHR
9h 35mnonstop
$693Virgin Atlantic
Find Deal
mar., nov. 11 - vie., nov. 28
Virgin Atlantic Logo
2:45 pm - 8:40 pmLHR-CUN
10h 55mnonstop
Virgin Atlantic Logo
11:00 am - 6:25 amCUN-LHR
14h 25m1 stop
$734Virgin Atlantic
Find Deal
vie., nov. 7 - sáb., nov. 15
Logo
8:40 am - 9:20 pmLHR-CUN
17h 40m2 stops
Logo
1:35 pm - 8:05 amCUN-LHR
13h 30m1 stop
$755
Find Deal
sáb., nov. 8 - sáb., nov. 15

Air Canada flights from London Heathrow Airport to Cancún

Our best Air Canada deals on London Heathrow Airport to Cancún flight tickets
Air Canada
Nov 4
LHR1:25 pmLondon Heathrow
22h 35m
2 stops
CUN7:00 amCancun
Nov 11
CUN8:00 amCancun
22h 50m
1 stop
LHR11:50 amLondon Heathrow
$641
Find similar
Air Canada
Nov 8
LHR6:00 pmLondon Heathrow
23h 55m
2 stops
CUN12:55 pmCancun
Nov 18
CUN12:15 pmCancun
13h 55m
1 stop
LHR7:10 amLondon Heathrow
$646
Find similar
Air Canada
Nov 4
LHR1:25 pmLondon Heathrow
22h 35m
2 stops
CUN7:00 amCancun
Nov 11
CUN8:00 amCancun
22h 20m
2 stops
LHR11:20 amLondon Heathrow
$647
Find similar

United Airlines flights from London Heathrow Airport to Cancún

Our best United Airlines deals on London Heathrow Airport to Cancún flight tickets
United Airlines
Dec 6
LHR6:30 amLondon Heathrow
29h 59m
2 stops
CUN7:29 amCancun
Dec 15
CUN6:30 amCancun
22h 45m
1 stop
LHR10:15 amLondon Heathrow
$639
Find similar
United Airlines
Dec 5
LHR10:00 amLondon Heathrow
15h 18m
1 stop
CUN8:18 pmCancun
Dec 15
CUN8:39 amCancun
20h 36m
1 stop
LHR10:15 amLondon Heathrow
$668
Find similar
United Airlines
Dec 5
LHR4:00 pmLondon Heathrow
24h 30m
2 stops
CUN11:30 amCancun
Dec 15
CUN6:30 amCancun
19h 10m
2 stops
LHR6:40 amLondon Heathrow
$669
Find similar

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated septiembre 11, 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

sáb. 12/6

6:30 am-7:29 am

2 stops29h 59m

Cancun

lun. 12/15

6:30 am-10:15 am

1 stop22h 45m

$639

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

mar. 11/4

1:25 pm-7:00 am

2 stops22h 35m

Cancun

mar. 11/11

8:00 am-11:50 am

1 stop22h 50m

$641

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

sáb. 11/8

4:30 pm-11:03 am

1 stop23h 33m

Cancun

dom. 11/16

12:02 pm-6:35 am

1 stop13h 33m

$642

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

sáb. 11/8

6:00 pm-12:55 pm

2 stops23h 55m

Cancun

mar. 11/18

12:15 pm-7:10 am

1 stop13h 55m

$646

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

dom. 10/5

8:10 am-8:04 pm

2 stops17h 54m

Cancun

dom. 10/12

3:05 pm-9:25 am

1 stop12h 20m

$661

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

dom. 12/7

6:30 am-9:20 pm

2 stops19h 50m

Cancun

mar. 12/16

8:00 am-7:50 am

2 stops18h 50m

$673

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

dom. 12/7

6:30 am-9:20 pm

2 stops19h 50m

Cancun

jue. 12/18

12:10 pm-6:25 am

1 stop13h 15m

$674

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

mar. 11/11

8:55 am-9:20 pm

1 stop17h 25m

Cancun

vie. 11/28

10:30 pm-1:05 pm

Nonstop9h 35m

$693

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

vie. 11/7

2:45 pm-8:40 pm

Nonstop10h 55m

Cancun

sáb. 11/15

11:00 am-6:25 am

1 stop14h 25m

$734

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

sáb. 11/8

8:40 am-9:20 pm

2 stops17h 40m

Cancun

sáb. 11/15

1:35 pm-8:05 am

1 stop13h 30m

$755

Flights are sorted by cheapest round-trip 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?

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 $765.

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 Monday when prices can be found for as low as $772. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,035. These prices are subject to change though, so be sure to set up a Price Alert for flights to Cancún.

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

Our most recent data shows that the best time of day to fly to Cancún is in the morning. Flights from London Heathrow Airport to Cancún during this time can be as low as $775. Flights to Cancún are more costly at noon, with an average ticket price of $917. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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 $894 when searching weeks out. 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 $789 on momondo.

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

There is only 1 cabin class 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 48% 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 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 round-trip 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

Fastest flight time

10h 55m

Direct flights

Mon, Thu and Sat

Airports in Cancún

1 airport
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 straight-line distance from London Heathrow to Cancun is 4929.2 mi. 10h 55m is a normal flight duration for this route.

  • 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 were last updated today.

  • 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?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Cancun Airport.

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

    The travel and health documents you'll need for your trip to Cancun Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Cancun Airport. It is always advisable to seek 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
American AirlinesPriceFrom $625Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Virgin AtlanticPriceFrom $647Free CancellationRating
7.4
664 reviews
Search Virgin Atlantic flights

Traveling to a place near Cancún?

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

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Cancún from London.

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

Yes. momondo enables you to select and highlight flights to Cancún from London with this policy.

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

Once all potential London to Cancún flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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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