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Cheap flights from London Heathrow Airport to Cancún from C$ 652

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 13/9. 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

Logo
8:05 p.m. - 6:10 p.m.LHR-CUN
27h 05m1 stop
Logo
12:28 p.m. - 10:15 a.m.CUN-LHR
16h 47m1 stop
C$ 952
Find Deal
Mon, 19 Jan - Thu, 29 Jan
Virgin Atlantic Logo
6:15 a.m. - 6:15 p.m.LHR-CUN
18h 00m1 stop
Virgin Atlantic Logo
8:00 a.m. - 6:20 a.m.CUN-LHR
16h 20m2 stops
C$ 1,016Virgin Atlantic
Find Deal
Mon, 1 Sep - Mon, 15 Sep
British Airways Logo
6:30 a.m. - 9:55 a.m.LHR-CUN
32h 25m2 stops
British Airways Logo
5:25 p.m. - 6:50 a.m.CUN-LHR
32h 25m1 stop
C$ 1,024British Airways
Find Deal
Wed, 29 Oct - Wed, 3 Dec
United Airlines Logo
4:40 p.m. - 12:02 p.m.LHR-CUN
25h 22m2 stops
United Airlines Logo
3:38 p.m. - 8:20 a.m.CUN-LHR
34h 42m1 stop
C$ 1,032United Airlines
Find Deal
Mon, 25 Aug - Mon, 8 Sep
United Airlines Logo
2:50 p.m. - 6:41 a.m.LHR-CUN
21h 51m2 stops
United Airlines Logo
7:51 a.m. - 9:20 a.m.CUN-LHR
19h 29m2 stops
C$ 1,034United Airlines
Find Deal
Sun, 14 Sep - Sun, 21 Sep
British Airways Logo
5:15 a.m. - 10:00 a.m.LHR-CUN
33h 45m2 stops
British Airways Logo
12:20 p.m. - 6:35 a.m.CUN-LHR
13h 15m1 stop
C$ 1,038British Airways
Find Deal
Sun, 2 Nov - Thu, 27 Nov
Delta Logo
6:30 a.m. - 8:15 p.m.LHR-CUN
19h 45m2 stops
Delta Logo
8:00 a.m. - 9:50 a.m.CUN-LHR
19h 50m2 stops
C$ 1,041Delta
Find Deal
Mon, 29 Sep - Thu, 16 Oct
Delta Logo
11:20 a.m. - 8:15 p.m.LHR-CUN
14h 55m1 stop
Delta Logo
8:10 a.m. - 1:30 p.m.CUN-LHR
23h 20m2 stops
C$ 1,066Delta
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Sun, 28 Sep - Tue, 14 Oct
Finnair Logo
1:00 p.m. - 8:05 p.m.LHR-CUN
37h 05m2 stops
Finnair Logo
12:00 p.m. - 7:20 a.m.CUN-LHR
37h 20m2 stops
C$ 1,092Finnair
Find Deal
Sun, 28 Sep - Wed, 15 Oct
Finnair Logo
9:30 a.m. - 8:05 p.m.LHR-CUN
40h 35m2 stops
Finnair Logo
12:00 p.m. - 5:05 p.m.CUN-LHR
23h 05m2 stops
C$ 1,121Finnair
Find Deal
Sun, 28 Sep - Mon, 20 Oct

British Airways flights from London Heathrow Airport to Cancún

Our best British Airways deals on London Heathrow Airport to Cancún flight tickets
British Airways
29 Oct
LHR6:30 a.m.London Heathrow
32h 25m
2 stops
CUN9:55 a.m.Cancun
3 Dec
CUN5:25 p.m.Cancun
32h 25m
1 stop
LHR6:50 a.m.London Heathrow
C$ 1,024
Find similar
British Airways
2 Nov
LHR5:15 a.m.London Heathrow
33h 45m
2 stops
CUN10:00 a.m.Cancun
27 Nov
CUN12:20 p.m.Cancun
13h 15m
1 stop
LHR6:35 a.m.London Heathrow
C$ 1,038
Find similar
British Airways
11 Dec
LHR6:30 a.m.London Heathrow
34h 55m
2 stops
CUN12:25 p.m.Cancun
29 Dec
CUN5:01 p.m.Cancun
14h 14m
1 stop
LHR12:15 p.m.London Heathrow
C$ 1,106
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
25 Aug
LHR4:40 p.m.London Heathrow
25h 22m
2 stops
CUN12:02 p.m.Cancun
8 Sep
CUN3:38 p.m.Cancun
34h 42m
1 stop
LHR8:20 a.m.London Heathrow
C$ 1,032
Find similar
United Airlines
14 Sep
LHR2:50 p.m.London Heathrow
21h 51m
2 stops
CUN6:41 a.m.Cancun
21 Sep
CUN7:51 a.m.Cancun
19h 29m
2 stops
LHR9:20 a.m.London Heathrow
C$ 1,034
Find similar
United Airlines
13 Sep
LHR10:00 a.m.London Heathrow
15h 20m
1 stop
CUN7:20 p.m.Cancun
20 Sep
CUN3:38 p.m.Cancun
33h 17m
2 stops
LHR6:55 a.m.London Heathrow
C$ 1,035
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 96,600 searches. Data last updated 1 August 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 19/1

8:05 p.m.-6:10 p.m.

1 stop27h 05m

Cancun

Thu 29/1

12:28 p.m.-10:15 a.m.

1 stop16h 47m

C$ 952

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Mon 1/9

6:15 a.m.-6:15 p.m.

1 stop18h 00m

Cancun

Mon 15/9

8:00 a.m.-6:20 a.m.

2 stops16h 20m

C$ 1,016

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Wed 29/10

6:30 a.m.-9:55 a.m.

2 stops32h 25m

Cancun

Wed 3/12

5:25 p.m.-6:50 a.m.

1 stop32h 25m

C$ 1,024

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Mon 25/8

4:40 p.m.-12:02 p.m.

2 stops25h 22m

Cancun

Mon 8/9

3:38 p.m.-8:20 a.m.

1 stop34h 42m

C$ 1,032

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Sun 14/9

2:50 p.m.-6:41 a.m.

2 stops21h 51m

Cancun

Sun 21/9

7:51 a.m.-9:20 a.m.

2 stops19h 29m

C$ 1,034

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Sun 2/11

5:15 a.m.-10:00 a.m.

2 stops33h 45m

Cancun

Thu 27/11

12:20 p.m.-6:35 a.m.

1 stop13h 15m

C$ 1,038

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Mon 29/9

6:30 a.m.-8:15 p.m.

2 stops19h 45m

Cancun

Thu 16/10

8:00 a.m.-9:50 a.m.

2 stops19h 50m

C$ 1,041

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Sun 28/9

11:20 a.m.-8:15 p.m.

1 stop14h 55m

Cancun

Tue 14/10

8:10 a.m.-1:30 p.m.

2 stops23h 20m

C$ 1,066

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Sun 28/9

1:00 p.m.-8:05 p.m.

2 stops37h 05m

Cancun

Wed 15/10

12:00 p.m.-7:20 a.m.

2 stops37h 20m

C$ 1,092

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Sun 28/9

9:30 a.m.-8:05 p.m.

2 stops40h 35m

Cancun

Mon 20/10

12:00 p.m.-5:05 p.m.

2 stops23h 05m

C$ 1,121

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?

In general, January is the cheapest month to fly from London Heathrow Airport to Cancún. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 1,046. The month of September is another great option to travel to Cancún, with average flight prices from London Heathrow Airport averaging around C$ 1,059.

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. Travellers who choose to depart for Cancún on a Monday will often find tickets for as low as C$ 1,016. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around C$ 1,626. 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 data shows that the cheapest London Heathrow Airport to Cancún flights are usually those with departure times in the morning. Our users have found flights to Cancún in the morning for as low as C$ 1,131. Flights to Cancún are more costly at noon, with an average ticket price of C$ 1,507. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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 C$ 1,241 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 C$ 1,095 on momondo.

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

As of August 2025, prices for London Heathrow Airport to Cancún flights are approximately 41% 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

Best price found

C$ 652

Fastest flight time

10h 55m

Direct flights

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 C$ 652. The best round-trip flight deal from London Heathrow Airport to Cancún found on momondo in the last 72 hours is C$ 952.
The fastest flight from London Heathrow Airport to Cancún takes 10h 55m
Direct flights go from London Heathrow Airport to Cancún on Thursday and Saturday. The only 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?

    A flight from London Heathrow to Cancun will travel around 7932.8 km. 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 for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 required travel and health documents for your Cancun Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Cancun Airport. We recommend that you seek guidance from your airline or a reliable 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
United AirlinesPriceFrom C$ 1,276Free CancellationRating
7.4
8,900 reviews
Search United Airlines 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
Puerto Morelos
Holbox
Akumal
Puerto Aventuras
Valladolid
Punta Sam

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Cancún . Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from London to Cancún on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Cancún from London.

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

Price alerts on flights to Cancún from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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