Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from London Heathrow Airport to Cancún from C$ 698

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 10/3. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from London Heathrow Airport to Cancún

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:25 a.m. - 8:18 p.m.LHR-CUN
17h 53m2 stops
United Airlines Logo
8:23 a.m. - 6:40 a.m.CUN-LHR
17h 17m2 stops
C$ 1,025United Airlines
Find Deal
Tue, 11 Nov - Tue, 25 Nov
Virgin Atlantic Logo
2:45 p.m. - 8:40 p.m.LHR-CUN
10h 55mdirect
Virgin Atlantic Logo
10:30 p.m. - 12:50 p.m.CUN-LHR
9h 20mdirect
C$ 1,026Virgin Atlantic
Find Deal
Wed, 28 Jan - Wed, 11 Feb
Virgin Atlantic Logo
2:45 p.m. - 8:40 p.m.LHR-CUN
10h 55mdirect
Virgin Atlantic Logo
10:30 p.m. - 12:50 p.m.CUN-LHR
9h 20mdirect
C$ 1,029Virgin Atlantic
Find Deal
Wed, 4 Mar - Wed, 18 Mar
Aer Lingus Logo
8:50 a.m. - 7:20 p.m.LHR-CUN
15h 30m1 stop
Aer Lingus Logo
9:05 p.m. - 3:35 p.m.CUN-LHR
13h 30m1 stop
C$ 1,040Aer Lingus
Find Deal
Tue, 20 Jan - Tue, 27 Jan
TAP AIR PORTUGAL Logo
6:00 a.m. - 6:40 p.m.LHR-CUN
17h 40m1 stop
TAP AIR PORTUGAL Logo
8:10 p.m. - 5:30 p.m.CUN-LHR
16h 20m1 stop
C$ 1,121TAP AIR PORTUGAL
Find Deal
Tue, 3 Mar - Fri, 13 Mar
Multiple Airlines Logo
8:40 a.m. - 9:20 p.m.LHR-CUN
17h 40m2 stops
Multiple Airlines Logo
8:20 p.m. - 1:45 p.m.CUN-LHR
12h 25m1 stop
C$ 1,155Multiple Airlines
Find Deal
Tue, 9 Dec - Tue, 16 Dec
Multiple Airlines Logo
9:00 a.m. - 5:45 p.m.LHR-CUN
13h 45m1 stop
Multiple Airlines Logo
12:15 p.m. - 7:50 a.m.CUN-LHR
14h 35m2 stops
C$ 1,163Multiple Airlines
Find Deal
Thu, 15 Jan - Wed, 28 Jan
Delta Logo
6:30 a.m. - 9:20 p.m.LHR-CUN
19h 50m2 stops
Delta Logo
8:00 a.m. - 11:40 a.m.CUN-LHR
22h 40m1 stop
C$ 1,167Delta
Find Deal
Wed, 10 Dec - Wed, 17 Dec
Delta Logo
6:30 a.m. - 9:20 p.m.LHR-CUN
19h 50m2 stops
Delta Logo
8:00 a.m. - 7:05 a.m.CUN-LHR
18h 05m2 stops
C$ 1,174Delta
Find Deal
Wed, 10 Dec - Wed, 17 Dec
TAP AIR PORTUGAL Logo
8:15 a.m. - 6:40 p.m.LHR-CUN
15h 25m1 stop
TAP AIR PORTUGAL Logo
8:10 p.m. - 5:30 p.m.CUN-LHR
16h 20m1 stop
C$ 1,219TAP AIR PORTUGAL
Find Deal
Tue, 3 Mar - Fri, 20 Mar

United Airlines flights from London Heathrow Airport to Cancún

Our best United Airlines deals on London Heathrow Airport to Cancún flight tickets
United Airlines
11 Nov
LHR7:25 a.m.London Heathrow
17h 53m
2 stops
CUN8:18 p.m.Cancun
25 Nov
CUN8:23 a.m.Cancun
17h 17m
2 stops
LHR6:40 a.m.London Heathrow
C$ 1,025
Find similar
United Airlines
15 Nov
LHR10:00 a.m.London Heathrow
15h 18m
1 stop
CUN8:18 p.m.Cancun
19 Nov
CUN2:04 p.m.Cancun
17h 46m
2 stops
LHR12:50 p.m.London Heathrow
C$ 1,033
Find similar
United Airlines
8 Feb
LHR3:20 p.m.London Heathrow
21h 09m
1 stop
CUN7:29 a.m.Cancun
21 Feb
CUN8:39 a.m.Cancun
17h 51m
1 stop
LHR7:30 a.m.London Heathrow
C$ 1,036
Find similar

TAP AIR PORTUGAL flights from London Heathrow Airport to Cancún

Our best TAP AIR PORTUGAL deals on London Heathrow Airport to Cancún flight tickets
TAP AIR PORTUGAL
3 Mar
LHR6:00 a.m.London Heathrow
17h 40m
1 stop
CUN6:40 p.m.Cancun
13 Mar
CUN8:10 p.m.Cancun
16h 20m
1 stop
LHR5:30 p.m.London Heathrow
C$ 1,121
Find similar
TAP AIR PORTUGAL
3 Mar
LHR8:15 a.m.London Heathrow
15h 25m
1 stop
CUN6:40 p.m.Cancun
20 Mar
CUN8:10 p.m.Cancun
16h 20m
1 stop
LHR5:30 p.m.London Heathrow
C$ 1,219
Find similar
TAP AIR PORTUGAL
5 Nov
LHR6:30 p.m.London Heathrow
29h 10m
1 stop
CUN6:40 p.m.Cancun
13 Nov
CUN8:10 p.m.Cancun
21h 30m
1 stop
LHR10:40 p.m.London Heathrow
C$ 1,727
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 30 October 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

Tue 11/11

7:25 a.m.-8:18 p.m.

2 stops17h 53m

Cancun

Tue 25/11

8:23 a.m.-6:40 a.m.

2 stops17h 17m

C$ 1,025

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Wed 28/1

2:45 p.m.-8:40 p.m.

Nonstop10h 55m

Cancun

Wed 11/2

10:30 p.m.-12:50 p.m.

Nonstop9h 20m

C$ 1,026

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Wed 4/3

2:45 p.m.-8:40 p.m.

Nonstop10h 55m

Cancun

Wed 18/3

10:30 p.m.-12:50 p.m.

Nonstop9h 20m

C$ 1,029

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Tue 20/1

8:50 a.m.-7:20 p.m.

1 stop15h 30m

Cancun

Tue 27/1

9:05 p.m.-3:35 p.m.

1 stop13h 30m

C$ 1,040

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Tue 3/3

6:00 a.m.-6:40 p.m.

1 stop17h 40m

Cancun

Fri 13/3

8:10 p.m.-5:30 p.m.

1 stop16h 20m

C$ 1,121

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Tue 9/12

8:40 a.m.-9:20 p.m.

2 stops17h 40m

Cancun

Tue 16/12

8:20 p.m.-1:45 p.m.

1 stop12h 25m

C$ 1,155

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Thu 15/1

9:00 a.m.-5:45 p.m.

1 stop13h 45m

Cancun

Wed 28/1

12:15 p.m.-7:50 a.m.

2 stops14h 35m

C$ 1,163

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Wed 10/12

6:30 a.m.-9:20 p.m.

2 stops19h 50m

Cancun

Wed 17/12

8:00 a.m.-11:40 a.m.

1 stop22h 40m

C$ 1,167

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Wed 10/12

6:30 a.m.-9:20 p.m.

2 stops19h 50m

Cancun

Wed 17/12

8:00 a.m.-7:05 a.m.

2 stops18h 05m

C$ 1,174

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Tue 3/3

8:15 a.m.-6:40 p.m.

1 stop15h 25m

Cancun

Fri 20/3

8:10 p.m.-5:30 p.m.

1 stop16h 20m

C$ 1,219

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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, 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$ 1,018. The month of January is another great option to travel to Cancún, with average flight prices from London Heathrow Airport averaging around C$ 1,067.

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$ 1,026. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around C$ 1,368. 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$ 1,123. Flights to Cancún are more costly at noon, with an average ticket price of C$ 1,274. 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$ 1,235 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$ 1,099 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

Fastest flight time

10h 30m

Direct flights

Mon, Thu and Sat

Airports in Cancún

1 airport
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?

    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$ 1,288Free CancellationRating
7.4
8,998 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.

An easier way to manage your Cancún trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 29/11
Sat 6/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Mexico