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Cheap flights from London Heathrow Airport to Cancún from $407

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 1/16. 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

Enter your travel dates to find the best prices.
SWISS Logo
8:05 pm - 6:10 pmLHR-CUN
27h 05m1 stop
SWISS Logo
8:00 pm - 4:20 pmCUN-LHR
15h 20m1 stop
$640SWISS
Find Deal
Wed, Nov 5 - Tue, Nov 11
SWISS Logo
6:00 am - 6:10 pmLHR-CUN
17h 10m1 stop
SWISS Logo
8:00 pm - 4:20 pmCUN-LHR
15h 20m1 stop
$642SWISS
Find Deal
Thu, Nov 6 - Tue, Nov 11
Multiple Airlines Logo
6:00 am - 6:10 pmLHR-CUN
17h 10m1 stop
Multiple Airlines Logo
12:28 pm - 7:30 amCUN-LHR
14h 02m1 stop
$649Multiple Airlines
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Tue, Dec 2 - Tue, Dec 9
Multiple Airlines Logo
6:00 am - 6:10 pmLHR-CUN
17h 10m1 stop
Multiple Airlines Logo
12:28 pm - 10:15 amCUN-LHR
16h 47m1 stop
$652Multiple Airlines
Find Deal
Thu, Nov 27 - Tue, Dec 2
Multiple Airlines Logo
6:00 am - 6:10 pmLHR-CUN
17h 10m1 stop
Multiple Airlines Logo
12:28 pm - 7:30 amCUN-LHR
14h 02m1 stop
$654Multiple Airlines
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Tue, Nov 18 - Tue, Nov 25
Air Canada Logo
1:45 pm - 10:40 pmLHR-CUN
37h 55m2 stops
Air Canada Logo
12:15 pm - 7:10 amCUN-LHR
13h 55m1 stop
$656Air Canada
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Tue, Nov 11 - Mon, Dec 8
Air Canada Logo
1:45 pm - 10:40 pmLHR-CUN
37h 55m2 stops
Air Canada Logo
10:10 pm - 8:35 pmCUN-LHR
41h 25m2 stops
$662Air Canada
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Tue, Nov 11 - Mon, Dec 8
Lufthansa Logo
6:30 am - 4:20 pmLHR-CUN
14h 50m1 stop
Lufthansa Logo
11:28 am - 7:30 amCUN-LHR
15h 02m1 stop
$685Lufthansa
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Wed, Mar 11 - Wed, Mar 18
United Airlines Logo
11:35 am - 7:29 amLHR-CUN
24h 54m2 stops
United Airlines Logo
6:30 am - 7:30 amCUN-LHR
20h 00m1 stop
$733United Airlines
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Fri, Dec 5 - Sun, Dec 7
United Airlines Logo
10:00 am - 8:18 pmLHR-CUN
15h 18m1 stop
United Airlines Logo
2:04 pm - 8:25 amCUN-LHR
13h 21m1 stop
$740United Airlines
Find Deal
Thu, Nov 6 - Mon, Nov 24

SWISS flights from London Heathrow Airport to Cancún

Our best SWISS deals on London Heathrow Airport to Cancún flight tickets
SWISS
Nov 5
LHR8:05 pmLondon Heathrow
27h 05m
1 stop
CUN6:10 pmCancun
Nov 11
CUN8:00 pmCancun
15h 20m
1 stop
LHR4:20 pmLondon Heathrow
$640
Find similar
SWISS
Nov 6
LHR6:00 amLondon Heathrow
17h 10m
1 stop
CUN6:10 pmCancun
Nov 11
CUN8:00 pmCancun
15h 20m
1 stop
LHR4:20 pmLondon Heathrow
$642
Find similar
SWISS
Nov 6
LHR8:05 pmLondon Heathrow
25h 00m
2 stops
CUN4:05 pmCancun
Nov 9
CUN6:10 pmCancun
20h 05m
2 stops
LHR7:15 pmLondon Heathrow
$853
Find similar

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 11
LHR1:45 pmLondon Heathrow
37h 55m
2 stops
CUN10:40 pmCancun
Dec 8
CUN12:15 pmCancun
13h 55m
1 stop
LHR7:10 amLondon Heathrow
$656
Find similar
Air Canada
Nov 11
LHR1:45 pmLondon Heathrow
37h 55m
2 stops
CUN10:40 pmCancun
Dec 8
CUN10:10 pmCancun
41h 25m
2 stops
LHR8:35 pmLondon Heathrow
$662
Find similar
Air Canada
Nov 5
LHR6:50 amLondon Heathrow
20h 50m
2 stops
CUN10:40 pmCancun
Nov 19
CUN8:00 amCancun
22h 50m
1 stop
LHR11:50 amLondon Heathrow
$663
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 October 23, 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

Wed 11/5

8:05 pm-6:10 pm

1 stop27h 05m

Cancun

Tue 11/11

8:00 pm-4:20 pm

1 stop15h 20m

$640

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Thu 11/6

6:00 am-6:10 pm

1 stop17h 10m

Cancun

Tue 11/11

8:00 pm-4:20 pm

1 stop15h 20m

$642

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Tue 12/2

6:00 am-6:10 pm

1 stop17h 10m

Cancun

Tue 12/9

12:28 pm-7:30 am

1 stop14h 02m

$649

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Thu 11/27

6:00 am-6:10 pm

1 stop17h 10m

Cancun

Tue 12/2

12:28 pm-10:15 am

1 stop16h 47m

$652

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Tue 11/18

6:00 am-6:10 pm

1 stop17h 10m

Cancun

Tue 11/25

12:28 pm-7:30 am

1 stop14h 02m

$654

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Tue 11/11

1:45 pm-10:40 pm

2 stops37h 55m

Cancun

Mon 12/8

12:15 pm-7:10 am

1 stop13h 55m

$656

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Tue 11/11

1:45 pm-10:40 pm

2 stops37h 55m

Cancun

Mon 12/8

10:10 pm-8:35 pm

2 stops41h 25m

$662

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Wed 3/11

6:30 am-4:20 pm

1 stop14h 50m

Cancun

Wed 3/18

11:28 am-7:30 am

1 stop15h 02m

$685

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Fri 12/5

11:35 am-7:29 am

2 stops24h 54m

Cancun

Sun 12/7

6:30 am-7:30 am

1 stop20h 00m

$733

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Thu 11/6

10:00 am-8:18 pm

1 stop15h 18m

Cancun

Mon 11/24

2:04 pm-8:25 am

1 stop13h 21m

$740

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 September, then you should wait until January to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of $764.

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 $778. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,025. 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 $787. Flights to Cancún are more costly at noon, with an average ticket price of $930. 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 $886 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 $787 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?

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 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 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

$860

Fastest flight time

10h 30m

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 $860
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. 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. 14h 15m 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
11,028 reviews
Search American Airlines flights
Virgin AtlanticPriceFrom $647Free CancellationRating
7.5
670 reviews
Search Virgin Atlantic flights

  • Virgin Atlantic Flights From London Heathrow Airport to Cancún

    Across 2 Virgin Atlantic flights from London Heathrow Airport to Cancún this week, the average price was $934, with the best Virgin Atlantic deals starting from $647 round-trip. 670 users have rated Virgin Atlantic on momondo, with an average score of 7.5/10.

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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