Cheap flights from London Heathrow Airport to Cancún from £343
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 20/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CUN
20 Dec — 27 Dec1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to Cancun are usually found in September or January, booked 20 days in advance, depart on a Tuesday or Saturday and return on a Tuesday
Find flight deals from Heathrow to Cancún
Enter your travel dates to find the best prices.
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 20 November 2025.
Thu 4/1206:00LHR - CUN
1 stop17h 10mMultiple Airlines
Mon 8/1212:15CUN - LHR
1 stop13h 55mMultiple Airlines
Deal found 18/11£603
Thu 4/1206:50LHR - CUN
2 stops20h 50mAir Canada
Mon 8/1212:15CUN - LHR
1 stop13h 55mAir Canada
Deal found 18/11£609
Thu 20/1106:00LHR - CUN
1 stop17h 40mTAP AIR PORTUGAL
Tue 25/1120:10CUN - LHR
1 stop21h 30mTAP AIR PORTUGAL
Deal found 18/11£611
Wed 3/1209:00LHR - CUN
2 stops18h 40mAir Canada
Wed 10/1212:15CUN - LHR
1 stop13h 55mAir Canada
Deal found 18/11£619
Wed 3/1206:50LHR - CUN
2 stops20h 50mAir Canada
Mon 8/1212:15CUN - LHR
1 stop13h 55mAir Canada
Deal found 18/11£621
Wed 10/1209:00LHR - CUN
1 stop13h 45mVirgin Atlantic
Wed 17/1222:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 18/11£622
Best flights from Heathrow to Cancún
Discover carefully curated flight deals from Heathrow to Cancún that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 November 2025.
Mon 9/213:25LHR - CUN
1 stop14h 15mAir Canada
Wed 18/208:00CUN - LHR
1 stop22h 50mAir Canada
Deal found 19/11£592
Thu 19/216:30LHR - CUN
1 stop31h 10mTAP AIR PORTUGAL
Sat 28/220:10CUN - LHR
1 stop21h 30mTAP AIR PORTUGAL
Deal found 19/11£606
Wed 10/1208:55LHR - CUN
1 stop13h 50mVirgin Atlantic
Wed 17/1222:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 19/11£632
Wed 31/1209:40LHR - CUN
1 stop32h 50mDelta
Sun 18/108:00CUN - LHR
2 stops17h 50mDelta
Deal found 19/11£654
Wed 24/1215:10LHR - CUN
2 stops25h 20mUnited Airlines
Tue 13/112:35CUN - LHR
2 stops15h 35mUnited Airlines
Deal found 18/11£674
Sat 31/106:00LHR - CUN
1 stop17h 40mTAP AIR PORTUGAL
Tue 10/220:10CUN - LHR
1 stop21h 30mTAP AIR PORTUGAL
Deal found 18/11£609
Sun 18/108:55LHR - CUN
1 stop17h 16mDelta
Tue 3/217:45CUN - LHR
1 stop12h 55mDelta
Deal found 18/11£659
Sat 17/106:20LHR - CUN
1 stop16h 25mVirgin Atlantic
Fri 30/122:30CUN - LHR
Nonstop9h 35mVirgin Atlantic
Deal found 19/11£671
Sun 11/120:00LHR - CUN
2 stops21h 30mDelta
Tue 20/117:45CUN - LHR
1 stop12h 55mDelta
Deal found 17/11£660
Mon 12/120:00LHR - CUN
2 stops21h 30mDelta
Sun 18/116:40CUN - LHR
1 stop14h 00mDelta
Deal found 17/11£660
Sun 11/120:00LHR - CUN
2 stops23h 03mDelta
Sun 18/115:13CUN - LHR
1 stop12h 47mDelta
Deal found 17/11£660
Direct flights from Heathrow to Cancún
Explore direct flight options from Heathrow to Cancún based on user searches, and compare prices and availability for your desired travel dates. Data last updated 20 November 2025.
Wed 11/314:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Wed 25/322:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 18/11£552
Wed 14/114:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Sun 18/122:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 17/11£574
Wed 18/214:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Wed 4/322:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 18/11£574
Wed 11/314:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Wed 18/322:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 19/11£578
Sun 1/214:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Sun 8/222:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 18/11£579
Sun 11/114:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Sun 25/122:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 18/11£583
Wed 18/214:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Wed 11/322:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 19/11£587
Wed 14/114:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Wed 21/122:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 19/11£590
Sun 8/314:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Sun 15/322:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 19/11£594
Sun 1/314:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Sun 8/322:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 18/11£597
Last-minute flights from Heathrow to Cancún
Discover last-minute flight deals from Heathrow to Cancún. Data last updated 20 November 2025 and is based on user searches.
Thu 20/1106:00LHR - CUN
1 stop17h 40mTAP AIR PORTUGAL
Tue 25/1120:10CUN - LHR
1 stop21h 30mTAP AIR PORTUGAL
Deal found 18/11£611
Wed 3/1209:00LHR - CUN
2 stops18h 40mAir Canada
Wed 10/1212:15CUN - LHR
1 stop13h 55mAir Canada
Deal found 18/11£619
Wed 3/1206:50LHR - CUN
2 stops20h 50mAir Canada
Mon 8/1212:15CUN - LHR
1 stop13h 55mAir Canada
Deal found 18/11£621
Thu 4/1206:00LHR - CUN
1 stop17h 10mMultiple Airlines
Mon 8/1212:15CUN - LHR
1 stop13h 55mMultiple Airlines
Deal found 18/11£603
Thu 4/1206:50LHR - CUN
2 stops20h 50mAir Canada
Mon 8/1212:15CUN - LHR
1 stop13h 55mAir Canada
Deal found 18/11£609
Wed 10/1209:00LHR - CUN
1 stop13h 45mVirgin Atlantic
Wed 17/1222:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 18/11£622
One-way flights from Heathrow to Cancún
Search for one-way flight options from Heathrow to Cancún. Find affordable one-way fares based on user searches. Data last updated 20 November 2025.
Fri 20/207:30LHR - CUN
1 stop16h 50mMultiple Airlines
Deal found 19/11£343
Fri 6/320:45LHR - CUN
2 stops28h 29mMultiple Airlines
Deal found 19/11£346
Thu 5/310:45LHR - CUN
3 stops29h 55mMultiple Airlines
Deal found 18/11£346
Tue 10/209:55LHR - CUN
3 stops52h 02mMultiple Airlines
Deal found 19/11£349
Sun 1/318:45LHR - CUN
1 stop29h 35mMultiple Airlines
Deal found 19/11£349
Fri 30/106:15LHR - CUN
1 stop18h 05mMultiple Airlines
Deal found 19/11£352
Thu 9/406:20LHR - CUN
2 stops19h 54mMultiple Airlines
Deal found 18/11£360
Sun 8/211:25LHR - CUN
3 stops50h 50mMultiple Airlines
Deal found 19/11£362
Sat 31/109:55LHR - CUN
3 stops52h 18mMultiple Airlines
Deal found 19/11£362
Mon 2/213:45LHR - CUN
1 stop33h 25mSWISS
Deal found 17/11£363
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 20 November 2025.
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 20 November 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 9/2
13:25-22:40
1 stop14h 15m
Cancun
Wed 18/2
08:00-11:50
1 stop22h 50m
£592
LondonCancún
LHR - CUN
LHRCUN
London Heathrow
Thu 19/2
16:30-18:40
1 stop31h 10m
Cancun
Sat 28/2
20:10-22:40
1 stop21h 30m
£606
LondonCancún
LHR - CUN
LHRCUN
London Heathrow
Sat 31/1
06:00-18:40
1 stop17h 40m
Cancun
Tue 10/2
20:10-22:40
1 stop21h 30m
£609
LondonCancún
LHR - CUN
LHRCUN
London Heathrow
Wed 10/12
08:55-17:45
1 stop13h 50m
Cancun
Wed 17/12
22:30-12:50
Nonstop9h 20m
£632
LondonCancún
LHR - CUN
LHRCUN
London Heathrow
Wed 31/12
09:40-13:30
1 stop32h 50m
Cancun
Sun 18/1
08:00-06:50
2 stops17h 50m
£654
LondonCancún
LHR - CUN
LHRCUN
London Heathrow
Sun 18/1
08:55-21:11
1 stop17h 16m
Cancun
Tue 3/2
17:45-11:40
1 stop12h 55m
£659
LondonCancún
LHR - CUN
LHRCUN
London Heathrow
Sun 11/1
20:00-12:30
2 stops21h 30m
Cancun
Tue 20/1
17:45-11:40
1 stop12h 55m
£660
LondonCancún
LHR - CUN
LHRCUN
London Heathrow
Mon 12/1
20:00-12:30
2 stops21h 30m
Cancun
Sun 18/1
16:40-11:40
1 stop14h 00m
£660
LondonCancún
LHR - CUN
LHRCUN
London Heathrow
Sun 11/1
20:00-14:03
2 stops23h 03m
Cancun
Sun 18/1
15:13-09:00
1 stop12h 47m
£660
LondonCancún
LHR - CUN
LHRCUN
London Heathrow
Sat 17/1
06:20-17:45
1 stop16h 25m
Cancun
Fri 30/1
22:30-13:05
Nonstop9h 35m
£671
Flights are sorted by cheapest return flights first.
Deals found on 19/11
Showing 1-10 of 22 results
1
2
3
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
Prices
Delays
More
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 14 November 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 20 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, November is the cheapest month in which you can book a flight from London Heathrow Airport to Cancún (average of £472). Flying from London Heathrow Airport to Cancún in July is currently the most expensive (average of £578). 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 20 November 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 13% 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 2 November 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?
How often are flights from London to Cancún delayed?
About 0% of weekly flights between London and Cancún have experienced delays in the past year, with the average delay time being 0 minutes.
What is the most punctual flight time for London to Cancún flights?
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Wednesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on London to Cancún flights?
Over the past year, Virgin Atlantic have had the lowest number of delays on this route, with no flights being classified as delayed.
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.
Mexico City (MEX) – 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.
Vancouver (YVR) is the most affordable one-stop option, with an average return flight price of £613.
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 46m.
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 20 November 2025.
Read through reviews of airlines operating flights from London Heathrow Airport to Cancún, such as Finnair, Virgin Atlantic, andAir France. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
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.
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.
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.
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.
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.
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 15 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.
How long is the flight from London Heathrow Airport to Cancún?
Departing from London Heathrow Airport to Cancún will take you 13h 50m. Airlines will cover a distance of 4938 mi. This flight may include one or multiple stops.
What are the cheapest airlines flying from London Heathrow Airport to Cancún round-trip?
Flying on Aer Lingus is currently your cheapest option to Cancún, with prices starting at £438. Additional return tickets that might be worth considering are offered by Air Canada and Delta, with the lowest prices starting at £474 and £477, 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 £385. On average you can expect to pay £825. The most popular route, (London Heathrow - Cancun), can usually be booked for £556.
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, November is the cheapest month in which you can book a flight from London Heathrow Airport to Cancún (average of £472). Flying from London Heathrow Airport to Cancún in July is currently the most expensive (average of £578). 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.
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 20 November 2025.
Explore flights to Cancún departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 20 November 2025.
Browse through other flights departing from Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 20 November 2025.
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 20 November 2025.
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.
We value your privacy
Cheapflights and its partners wish to use cookies or similar technologies to store and/or access information on and about your device and process personal data such as your IP address, device identifiers etc., in order to improve your experience on the site, to analyse navigation, to offer and measure personalised advertising, and to facilitate sharing on social networks. We also allow the use of third-party cookies (including those from our advertising partners) on our sites.
By clicking 'Accept', you consent to your data being processed by 0 vendors on this web site for the purposes described in this notice. You can review the vendors and their individual processing purposes on the .
To review individual processing purposes and cookie categories, please click ’Select individual purposes’. You can review your choices and withdraw your consent at any time by clicking the ’Privacy Preferences’ link in the page side navigation.