Cheap flights from London Heathrow Airport to Cancún from £319

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CUN
21 Aug — 28 Aug1
1 adult

Cheapflights Tip: The best prices from London Heathrow to Cancun are usually found in January or September, booked 65 days in advance, depart on a Monday or Tuesday and return on a Tuesday

Cheap flight deals from Heathrow to Cancún

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Cancún (CUN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 16 August 2025.

Round-trip from

£497

One-way from

£319

Popular in

December

Cheapest in

January

Average price

£754

Good round-trip deal

£565 or less
Air Canada
  • Air Canada
  • 19/1-30/1
  • 3 total stops
  • 34h 45m total
  • London to Cancún
28/8
  • 28/8
  • 1 total stop
  • 13h 00m total
  • London to Cancún
Highest demand for flights based on searches. 2% potential increase in price (£12 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).
Average for round-trip flights in August 2025
Price to beat on a round-trip flight from London Heathrow to Cancun.

Find flight deals from Heathrow to Cancún

Cheapest flights from Heathrow to Cancún
Explore the most affordable flight options available from Heathrow to Cancún. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 August 2025.

Mon 3/1106:50LHR - CUN
2 stops20h 50mMultiple Airlines
Sat 15/1108:00CUN - LHR
1 stop22h 50mMultiple Airlines
Deal found 15/8£499
Mon 15/906:50LHR - CUN
2 stops18h 50mMultiple Airlines
Mon 22/920:45CUN - LHR
1 stop31h 15mMultiple Airlines
Deal found 15/8£499
Tue 9/915:10LHR - CUN
1 stop25h 46mMultiple Airlines
Tue 16/914:25CUN - LHR
1 stop14h 10mMultiple Airlines
Deal found 15/8£500
Fri 31/1009:00LHR - CUN
2 stops17h 40mAir Canada
Sat 8/1108:00CUN - LHR
2 stops22h 20mAir Canada
Deal found 14/8£502
Tue 9/906:00LHR - CUN
2 stops19h 40mAir Canada
Tue 23/914:00CUN - LHR
1 stop13h 35mAir Canada
Deal found 15/8£503
Tue 26/816:25LHR - CUN
1 stop23h 30mAmerican Airlines
Tue 9/912:50CUN - LHR
1 stop14h 35mAmerican Airlines
Deal found 15/8£504
Mon 8/910:30LHR - CUN
1 stop15h 35mAmerican Airlines
Mon 15/912:20CUN - LHR
1 stop13h 20mAmerican Airlines
Deal found 15/8£505
Tue 9/916:25LHR - CUN
1 stop24h 31mAmerican Airlines
Tue 23/914:25CUN - LHR
1 stop14h 10mAmerican Airlines
Deal found 15/8£505
Tue 2/908:20LHR - CUN
1 stop17h 45mAmerican Airlines
Tue 16/916:30CUN - LHR
1 stop14h 00mAmerican Airlines
Deal found 14/8£506
Tue 30/906:50LHR - CUN
2 stops18h 50mAir Canada
Sun 5/1013:30CUN - LHR
1 stop14h 05mAir Canada
Deal found 15/8£507
Tue 9/906:00LHR - CUN
2 stops19h 40mAir Canada
Tue 16/910:20CUN - LHR
1 stop14h 15mAir Canada
Deal found 15/8£508
Tue 26/809:15LHR - CUN
2 stops16h 50mAmerican Airlines
Tue 16/914:15CUN - LHR
1 stop14h 35mAmerican Airlines
Deal found 15/8£508

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow 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, Cheapflights users made 858,174 searches. Data last updated 16 August 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Cancún that are best for you.

Fly from

Heathrow

Fly to

Cancún

Route

Depart

Return

Price

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Mon 29/9

06:50-19:40

2 stops18h 50m

Cancun

Mon 6/10

20:45-06:35

1 stop27h 50m

£499

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Fri 31/10

09:00-21:40

2 stops17h 40m

Cancun

Fri 7/11

08:00-11:20

2 stops22h 20m

£502

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Mon 8/9

10:30-20:05

1 stop15h 35m

Cancun

Mon 15/9

12:20-07:40

1 stop13h 20m

£505

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Tue 2/9

16:25-09:57

1 stop23h 32m

Cancun

Tue 9/9

12:20-07:40

1 stop13h 20m

£506

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Sun 30/11

06:30-16:15

1 stop14h 45m

Cancun

Sun 7/12

18:10-11:50

1 stop36h 40m

£511

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Mon 9/2

09:00-22:40

2 stops18h 40m

Cancun

Wed 18/2

12:15-07:10

1 stop13h 55m

£512

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Mon 8/9

06:50-19:40

2 stops18h 50m

Cancun

Mon 15/9

10:20-09:35

2 stops17h 15m

£512

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Sun 30/11

14:45-20:40

Nonstop10h 55m

Cancun

Sun 7/12

22:30-12:50

Nonstop9h 20m

£514

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Mon 6/10

06:00-20:50

2 stops20h 50m

Cancun

Thu 27/11

08:00-11:50

1 stop22h 50m

£514

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Sat 13/9

14:05-13:00

1 stop28h 55m

Cancun

Sat 27/9

14:00-09:35

1 stop13h 35m

£514

Flights are sorted by cheapest return flights first.

Deals found on 14/8

Showing 1-10 of 19 results
1
2

Best time to book a flight from Heathrow to Cancún

Have a flexible travel schedule? Discover the best time to fly to Cancún from Heathrow with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Cancún

How far ahead should I book a flight from London Heathrow Airport to Cancún?

Use this chart to determine the optimal time to book a return flight from Heathrow to Cancún. Price data was last updated on 8 August 2025.

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Cancún, you should look to book at least 65 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from London Heathrow Airport to Cancún?

Currently, March is the cheapest month in which you can book a flight from London Heathrow Airport to Cancún (average of £317). Flying from London Heathrow Airport to Cancún in July is currently the most expensive (average of £985). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LHR to CUN?

Find hourly flight availability from Heathrow to Cancún. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 16 August 2025.

A simple way to save on the total cost of your ticket is to fly from London Heathrow Airport to Cancún in the afternoon. If you’re flexible enough to do this you can expect to save up to 23% on your trip compared to booking a flight at midday.

What is the cheapest day to fly from London Heathrow Airport to Cancún?

Use this chart to determine the cheapest time to fly return from Heathrow to Cancún. Price data was last updated on 10 August 2025.

Travellers seeking maximum savings on their London Heathrow Airport to Cancún flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost for a return flight from London Heathrow Airport to Cancún?

What’s the top stopover airport for flights from London Heathrow Airport to Cancún?

Share of one-stop return flights from London Heathrow Airport to Cancún chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Toronto (YYZ) – chosen by Cheapflights users on 20% of one-stop itineraries from London Heathrow Airport to Cancún on Cheapflights.

What’s the cheapest stopover airport for flights from London Heathrow Airport to Cancún?

Average return fare for one-stop flights from London Heathrow Airport to Cancún, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Boston (BOS) is the most affordable one-stop option, with an average return flight price of £563.

What’s the fastest stopover option from London Heathrow Airport to Cancún?

Shortest average travel time for one-stop one-way flights from London Heathrow Airport to Cancún, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Amsterdam (AMS) have the shortest average one-way travel time for one-stop routes: 13h 35m.

Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Cancún?

Average stopover duration for one-stop one-way flights from London Heathrow Airport to Cancún, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Zurich (ZRH) offer the fastest connection on this route, with an average stopover time of 0h 45m.

Reviews of airlines servicing Cancún

Get insights into the airlines that provide service to Cancún. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Cancún. Reviews last updated 16 August 2025.
Read through reviews of airlines operating flights from London Heathrow Airport to Cancún, such as Finnair, Air France, andVirgin Atlantic. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Overall

7.6

Entertainment

6.9

Boarding

7.6

Crew

8.1

Comfort

7.5

Food

6.7

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Overall

7.6

Entertainment

6.9

Boarding

7.6

Crew

8.1

Comfort

7.5

Food

6.7

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Overall

7.6

Entertainment

6.9

Boarding

7.6

Crew

8.1

Comfort

7.5

Food

6.7

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Overall

7.6

Entertainment

6.9

Boarding

7.6

Crew

8.1

Comfort

7.5

Food

6.7

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Overall

7.6

Entertainment

6.9

Boarding

7.6

Crew

8.1

Comfort

7.5

Food

6.7

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Overall

7.6

Entertainment

6.9

Boarding

7.6

Crew

8.1

Comfort

7.5

Food

6.7

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Cancún. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Cancún from London Heathrow?

    Cancun (CUN) is the airport you will fly into if you book a flight from London Heathrow to Cancún. You should not have trouble finding flights to Cancun from London Heathrow; the airport handles an average of 0 inbound flights from London Heathrow per day. You should also have plenty of airline options to choose from since 14 airlines have flights to the Cancún airport from London Heathrow. It is only a 8.9 mi journey from Cancun (CUN) to Cancún’s city center.

  • What are the cheapest airlines flying from London Heathrow Airport to Cancún round-trip?

    Flying on TAP AIR PORTUGAL is currently your cheapest option to Cancún, with prices starting at £431. Additional return tickets that might be worth considering are offered by Icelandair and Air France, with the lowest prices starting at £440 and £471, respectively. These flights start at 34% lower than the current average price 3 months from now.

  • What are the cheapest flights from London Heathrow Airport to Cancún?

    The cheapest flight price from London Heathrow Airport to Cancún is £512. On average you can expect to pay £1,417. The most popular route, (London Heathrow - Cancun), can usually be booked for £491.

  • Where are the most common stopover locations when flying from London Heathrow Airport to Cancún?

  • Where are the least popular stopover locations for London Heathrow Airport to Cancún flights?

  • Can I find deals for flights from Heathrow to Cancún that include hotel bookings?

    Yes. In addition to deals on Heathrow to Cancún flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Cancún?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Cancún.

  • Can I find deals for business class flights from Heathrow to Cancún?

    Yes. Cheapflights offers flight deals from Heathrow to Cancún by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London Heathrow Airport to Cancún?

    Currently, March is the cheapest month in which you can book a flight from London Heathrow Airport to Cancún (average of £317). Flying from London Heathrow Airport to Cancún in July is currently the most expensive (average of £985). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Cancún?

Book flights to Cancún if you plan to visit one of these locations
Holbox

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly from Heathrow to Cancún on these airlines

Choose from the following airlines for your flight from Heathrow to Cancún. Flights are based on user searches made on Cheapflights and were last updated on 16 August 2025.

Top 10 airlines flying from Heathrow to Cancún

Discover the top 10 airlines that operate flights from Heathrow to Cancún. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 16 August 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest£431Average£774FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
IcelandairCheapest£440Average£527FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Air FranceCheapest£471Average£635FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest£474Average£673FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air CanadaCheapest£476Average£598FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Virgin AtlanticCheapest£492Average£599FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
DeltaCheapest£493Average£605FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
British AirwaysCheapest£495Average£648FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£522Average£659FlexibilityNo cancel feeOn-time76%
Search Finnair flights
American AirlinesCheapest£523Average£734FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Heathrow to Cancún?

Deals for Heathrow to Cancún flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Cancún?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Cancún from Heathrow.

Can Cheapflights find flights from Heathrow to Cancún with no change fees?

Certainly. Search results for flights to Cancún from Heathrow shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Heathrow to Cancún become cheaper?

Not ready to book yet? You can track prices for flights from Heathrow to Cancún on Cheapflights with our Price Alert feature and get notified when better prices are available.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.