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Cheap flights from London Heathrow Airport to Cancún from C$ 651

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 28/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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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.
JetBlue Logo
7:25 a.m. - 7:05 p.m.
LHR
-
CUN
16h 40m1 stop
JetBlue Logo
3:10 p.m. - 9:30 a.m.
CUN
-
LHR
13h 20m1 stop
C$ 1,011JetBlue
Wed, 18 Feb - Thu, 26 Feb
Multiple Airlines Logo
3:00 p.m. - 1:22 p.m.
LHR
-
CUN
27h 22m2 stops
Multiple Airlines Logo
12:10 p.m. - 6:50 a.m.
CUN
-
LHR
13h 40m1 stop
C$ 1,014Multiple Airlines
Wed, 25 Feb - Wed, 11 Mar
Multiple Airlines Logo
3:00 p.m. - 12:12 p.m.
LHR
-
CUN
26h 12m2 stops
Multiple Airlines Logo
12:10 p.m. - 6:50 a.m.
CUN
-
LHR
13h 40m1 stop
C$ 1,016Multiple Airlines
Mon, 26 Jan - Wed, 11 Mar
United Airlines Logo
3:20 p.m. - 7:29 a.m.
LHR
-
CUN
21h 09m1 stop
United Airlines Logo
1:27 p.m. - 11:15 a.m.
CUN
-
LHR
16h 48m1 stop
C$ 1,039United Airlines
Thu, 29 Jan - Thu, 5 Feb
United Airlines Logo
11:35 a.m. - 7:29 a.m.
LHR
-
CUN
24h 54m2 stops
United Airlines Logo
4:45 p.m. - 3:50 p.m.
CUN
-
LHR
18h 05m2 stops
C$ 1,047United Airlines
Tue, 24 Feb - Thu, 5 Mar
Finnair Logo
4:15 p.m. - 8:45 p.m.
LHR
-
CUN
33h 30m2 stops
Finnair Logo
1:08 p.m. - 12:15 p.m.
CUN
-
LHR
18h 07m1 stop
C$ 1,051Finnair
Tue, 10 Feb - Wed, 25 Feb
Finnair Logo
6:10 p.m. - 8:44 p.m.
LHR
-
CUN
31h 34m2 stops
Finnair Logo
12:11 p.m. - 12:00 p.m.
CUN
-
LHR
18h 49m2 stops
C$ 1,054Finnair
Sun, 22 Feb - Mon, 9 Mar
Finnair Logo
6:10 p.m. - 8:45 p.m.
LHR
-
CUN
31h 35m2 stops
Finnair Logo
1:06 p.m. - 9:35 a.m.
CUN
-
LHR
39h 29m2 stops
C$ 1,057Finnair
Mon, 19 Jan - Mon, 2 Feb
Finnair Logo
6:10 p.m. - 8:44 p.m.
LHR
-
CUN
31h 34m2 stops
Finnair Logo
1:08 p.m. - 3:15 p.m.
CUN
-
LHR
21h 07m2 stops
C$ 1,076Finnair
Mon, 16 Feb - Thu, 26 Feb
Finnair Logo
12:35 p.m. - 8:45 p.m.
LHR
-
CUN
37h 10m2 stops
Finnair Logo
1:06 p.m. - 11:40 a.m.
CUN
-
LHR
17h 34m1 stop
C$ 1,079Finnair
Thu, 15 Jan - Thu, 29 Jan

Virgin Atlantic flights from London Heathrow Airport to Cancún

Our best Virgin Atlantic deals on London Heathrow Airport to Cancún flight tickets
Virgin Atlantic
14 Jan
LHR2:45 p.m.London Heathrow
10h 55m
CUN8:40 p.m.Cancun
21 Jan
CUN10:30 p.m.Cancun
9h 20m
LHR12:50 p.m.London Heathrow
C$ 1,116
Find similar
Virgin Atlantic
28 Jan
LHR8:55 a.m.London Heathrow
13h 50m
1 stop
CUN5:45 p.m.Cancun
4 Feb
CUN10:30 p.m.Cancun
9h 20m
LHR12:50 p.m.London Heathrow
C$ 1,117
Find similar
Virgin Atlantic
28 Jan
LHR2:45 p.m.London Heathrow
10h 55m
CUN8:40 p.m.Cancun
4 Feb
CUN10:30 p.m.Cancun
9h 20m
LHR12:50 p.m.London Heathrow
C$ 1,133
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 Dec
LHR11:35 a.m.London Heathrow
31h 43m
1 stop
CUN2:18 p.m.Cancun
13 Jan
CUN12:35 p.m.Cancun
15h 35m
2 stops
LHR9:10 a.m.London Heathrow
C$ 1,021
Find similar
United Airlines
21 Dec
LHR10:00 a.m.London Heathrow
31h 54m
1 stop
CUN12:54 p.m.Cancun
28 Dec
CUN6:30 a.m.Cancun
22h 45m
1 stop
LHR10:15 a.m.London Heathrow
C$ 1,024
Find similar
United Airlines
23 Dec
LHR12:05 p.m.London Heathrow
34h 45m
1 stop
CUN5:50 p.m.Cancun
31 Dec
CUN6:30 a.m.Cancun
19h 40m
2 stops
LHR7:10 a.m.London Heathrow
C$ 1,025
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 17 December 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 18/2

7:25 a.m.-7:05 p.m.

1 stop16h 40m

Cancun

Thu 26/2

3:10 p.m.-9:30 a.m.

1 stop13h 20m

C$ 1,011

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Wed 25/2

3:00 p.m.-1:22 p.m.

2 stops27h 22m

Cancun

Wed 11/3

12:10 p.m.-6:50 a.m.

1 stop13h 40m

C$ 1,014

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Mon 26/1

3:00 p.m.-12:12 p.m.

2 stops26h 12m

Cancun

Wed 11/3

12:10 p.m.-6:50 a.m.

1 stop13h 40m

C$ 1,016

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Thu 29/1

3:20 p.m.-7:29 a.m.

1 stop21h 09m

Cancun

Thu 5/2

1:27 p.m.-11:15 a.m.

1 stop16h 48m

C$ 1,039

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Tue 24/2

11:35 a.m.-7:29 a.m.

2 stops24h 54m

Cancun

Thu 5/3

4:45 p.m.-3:50 p.m.

2 stops18h 05m

C$ 1,047

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Tue 10/2

4:15 p.m.-8:45 p.m.

2 stops33h 30m

Cancun

Wed 25/2

1:08 p.m.-12:15 p.m.

1 stop18h 07m

C$ 1,051

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Sun 22/2

6:10 p.m.-8:44 p.m.

2 stops31h 34m

Cancun

Mon 9/3

12:11 p.m.-12:00 p.m.

2 stops18h 49m

C$ 1,054

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Mon 19/1

6:10 p.m.-8:45 p.m.

2 stops31h 35m

Cancun

Mon 2/2

1:06 p.m.-9:35 a.m.

2 stops39h 29m

C$ 1,057

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Mon 16/2

6:10 p.m.-8:44 p.m.

2 stops31h 34m

Cancun

Thu 26/2

1:08 p.m.-3:15 p.m.

2 stops21h 07m

C$ 1,076

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Thu 15/1

12:35 p.m.-8:45 p.m.

2 stops37h 10m

Cancun

Thu 29/1

1:06 p.m.-11:40 a.m.

1 stop17h 34m

C$ 1,079

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 cheapest month to fly to Cancún?

In general, September 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$ 996. The month of January is another great option to travel to Cancún, with average flight prices from London Heathrow Airport averaging around C$ 1,020.

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$ 1,011. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around C$ 1,448. 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$ 1,081. Flights to Cancún are more costly at noon, with an average ticket price of C$ 1,255. 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 C$ 1,205 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$ 1,131 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 December 2025, prices for London Heathrow Airport to Cancún flights are approximately 15% 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

Fastest flight time

17h 30m

Direct flights

Mon, Thu and Sat

Airports in Cancún

1 airport
The fastest flight from London Heathrow Airport to Cancún takes 17h 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 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?

    A flight from London Heathrow to Cancun will travel around 7932.8 km. 17h 30m 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$ 1,269Free CancellationRating
7.4
9,092 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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