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Cheap flights from London Heathrow Airport to Cancún from $463

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 1/28. 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 round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
12:05 pm - 10:40 pm
LHR
-
CUN
39h 35m
2 stops
Air Canada Logo
8:00 am - 11:50 am
CUN
-
LHR
22h 50m
1 stop
$642Air Canada
Tue, Feb 17 - Sat, Feb 28
Air Canada Logo
12:05 pm - 10:40 pm
LHR
-
CUN
39h 35m
2 stops
Air Canada Logo
8:00 am - 11:50 am
CUN
-
LHR
22h 50m
1 stop
$644Air Canada
Tue, Feb 17 - Sat, Feb 28
Air Canada Logo
6:00 am - 9:15 pm
LHR
-
CUN
20h 15m
2 stops
Air Canada Logo
8:00 am - 11:50 am
CUN
-
LHR
22h 50m
1 stop
$649Air Canada
Thu, Feb 19 - Sat, Feb 28
Air Canada Logo
6:00 am - 10:40 pm
LHR
-
CUN
21h 40m
2 stops
Air Canada Logo
11:00 am - 7:10 am
CUN
-
LHR
15h 10m
1 stop
$650Air Canada
Fri, Jan 30 - Sun, Feb 8
American Airlines Logo
7:05 pm - 11:50 am
LHR
-
CUN
21h 45m
1 stop
American Airlines Logo
12:10 pm - 6:35 am
CUN
-
LHR
13h 25m
1 stop
$651American Airlines
Mon, Feb 9 - Thu, Feb 26
American Airlines Logo
4:25 pm - 11:45 am
LHR
-
CUN
24h 20m
1 stop
American Airlines Logo
12:10 pm - 6:35 am
CUN
-
LHR
13h 25m
1 stop
$652American Airlines
Thu, Feb 26 - Thu, Mar 5
Air Canada Logo
6:50 am - 10:40 pm
LHR
-
CUN
20h 50m
2 stops
Air Canada Logo
6:20 pm - 7:10 am
CUN
-
LHR
31h 50m
1 stop
$655Air Canada
Fri, Mar 6 - Sat, Mar 14
Air Canada Logo
6:00 am - 10:40 pm
LHR
-
CUN
21h 40m
2 stops
Air Canada Logo
11:00 am - 11:20 am
CUN
-
LHR
19h 20m
2 stops
$658Air Canada
Fri, Jan 30 - Sun, Feb 8
Air Canada Logo
6:50 am - 10:40 pm
LHR
-
CUN
20h 50m
2 stops
Air Canada Logo
10:10 pm - 9:20 am
CUN
-
LHR
30h 10m
2 stops
$660Air Canada
Thu, Feb 26 - Tue, Mar 3
Multiple Airlines Logo
9:00 am - 10:40 pm
LHR
-
CUN
18h 40m
2 stops
Multiple Airlines Logo
8:00 am - 11:50 am
CUN
-
LHR
22h 50m
1 stop
$662Multiple Airlines
Tue, Jan 27 - Tue, Feb 10

United Airlines flights from London Heathrow Airport to Cancún

Our best United Airlines deals on London Heathrow Airport to Cancún flight tickets
United Airlines
Feb 26
LHR1:35 pmLondon Heathrow
26h 50m
2 stops
CUN11:25 amCancun
Mar 5
CUN8:39 amCancun
20h 01m
2 stops
LHR9:40 amLondon Heathrow
$728
United Airlines
Jan 20
LHR3:10 pmLondon Heathrow
25h 15m
2 stops
CUN11:25 amCancun
Feb 17
CUN12:28 pmCancun
16h 47m
1 stop
LHR10:15 amLondon Heathrow
$731

Virgin Atlantic flights from London Heathrow Airport to Cancún

Our best Virgin Atlantic deals on London Heathrow Airport to Cancún flight tickets
Virgin Atlantic
Jan 28
LHR9:00 amLondon Heathrow
13h 45m
1 stop
CUN5:45 pmCancun
Feb 4
CUN10:30 pmCancun
9h 20m
LHR12:50 pmLondon Heathrow
$668
Virgin Atlantic
Jan 28
LHR2:45 pmLondon Heathrow
10h 55m
CUN8:40 pmCancun
Feb 4
CUN10:30 pmCancun
9h 20m
LHR12:50 pmLondon Heathrow
$679
Virgin Atlantic
Jan 29
LHR6:30 amLondon Heathrow
13h 35m
1 stop
CUN3:05 pmCancun
Feb 6
CUN10:30 pmCancun
9h 35m
LHR1:05 pmLondon Heathrow
$702

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 January 14, 2026.
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

Tue 2/17

12:05 pm-10:40 pm

2 stops39h 35m

Cancun

Sat 2/28

8:00 am-11:50 am

1 stop22h 50m

$642

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Tue 2/17

12:05 pm-10:40 pm

2 stops39h 35m

Cancun

Sat 2/28

8:00 am-11:50 am

1 stop22h 50m

$644

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Thu 2/19

6:00 am-9:15 pm

2 stops20h 15m

Cancun

Sat 2/28

8:00 am-11:50 am

1 stop22h 50m

$649

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Fri 1/30

6:00 am-10:40 pm

2 stops21h 40m

Cancun

Sun 2/8

11:00 am-7:10 am

1 stop15h 10m

$650

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Mon 2/9

7:05 pm-11:50 am

1 stop21h 45m

Cancun

Thu 2/26

12:10 pm-6:35 am

1 stop13h 25m

$651

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Thu 2/26

4:25 pm-11:45 am

1 stop24h 20m

Cancun

Thu 3/5

12:10 pm-6:35 am

1 stop13h 25m

$652

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Fri 3/6

6:50 am-10:40 pm

2 stops20h 50m

Cancun

Sat 3/14

6:20 pm-7:10 am

1 stop31h 50m

$655

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Fri 1/30

6:00 am-10:40 pm

2 stops21h 40m

Cancun

Sun 2/8

11:00 am-11:20 am

2 stops19h 20m

$658

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Thu 2/26

6:50 am-10:40 pm

2 stops20h 50m

Cancun

Tue 3/3

10:10 pm-9:20 am

2 stops30h 10m

$660

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Tue 1/27

9:00 am-10:40 pm

2 stops18h 40m

Cancun

Tue 2/10

8:00 am-11:50 am

1 stop22h 50m

$662

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 March, then you should wait until September to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of $712.

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 $1,095. 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 $771. Flights to Cancún are more costly at noon, with an average ticket price of $979. 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 $865 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 $707 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 20% 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 January 2026, prices for London Heathrow Airport to Cancún flights are approximately 29% 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 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

Best Price Found

$823

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 $823
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 in Cancún. From London Heathrow Airport there are direct flights to 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 $622Free CancellationRating
7.2
11,119 reviews
Search American Airlines flights
Virgin AtlanticPriceFrom $647Free CancellationRating
7.5
678 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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