Cheap flights from London Heathrow Airport to Cancún from £321
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 19/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CUN
6 Dec — 13 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 31 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 6 November 2025.
Thu 27/1109:00LHR - CUN
2 stops18h 40mAir Canada
Thu 11/1212:15CUN - LHR
1 stop13h 55mAir Canada
Deal found 5/11£463
Wed 19/1109:00LHR - CUN
2 stops18h 40mAir Canada
Wed 26/1108:00CUN - LHR
2 stops21h 10mAir Canada
Deal found 4/11£466
Wed 26/1106:00LHR - CUN
2 stops21h 40mMultiple Airlines
Wed 10/1212:15CUN - LHR
1 stop13h 55mMultiple Airlines
Deal found 6/11£467
Thu 20/1109:00LHR - CUN
2 stops18h 40mMultiple Airlines
Tue 25/1108:00CUN - LHR
1 stop22h 50mMultiple Airlines
Deal found 5/11£468
Wed 26/1113:45LHR - CUN
2 stops37h 55mAir Canada
Wed 3/1212:15CUN - LHR
1 stop13h 55mAir Canada
Deal found 5/11£469
Mon 24/1120:05LHR - CUN
1 stop27h 05mMultiple Airlines
Sat 6/1216:00CUN - LHR
1 stop34h 10mMultiple Airlines
Deal found 5/11£470
Wed 19/1109:00LHR - CUN
2 stops18h 40mMultiple Airlines
Wed 26/1108:00CUN - LHR
1 stop22h 50mMultiple Airlines
Deal found 3/11£472
Mon 24/1109:00LHR - CUN
2 stops18h 40mAir Canada
Sat 6/1216:00CUN - LHR
1 stop34h 10mAir Canada
Deal found 4/11£473
Wed 26/1109:00LHR - CUN
2 stops18h 40mAir Canada
Mon 1/1217:05CUN - LHR
1 stop13h 15mAir Canada
Deal found 5/11£474
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 6 November 2025.
Wed 3/1209:00LHR - CUN
2 stops18h 40mAir Canada
Mon 8/1208:00CUN - LHR
1 stop22h 50mAir Canada
Deal found 5/11£468
Wed 3/1209:00LHR - CUN
2 stops18h 40mMultiple Airlines
Mon 8/1218:10CUN - LHR
2 stops22h 30mMultiple Airlines
Deal found 5/11£488
Sun 7/1207:40LHR - CUN
2 stops17h 38mUnited Airlines
Sun 14/1208:39CUN - LHR
1 stop17h 51mUnited Airlines
Deal found 5/11£559
Wed 21/114:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Wed 28/122:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 5/11£565
Mon 17/1113:25LHR - CUN
1 stop14h 15mAir Canada
Mon 24/1108:00CUN - LHR
1 stop22h 50mAir Canada
Deal found 5/11£494
Sat 15/1107:40LHR - CUN
2 stops17h 38mUnited Airlines
Sat 22/1116:51CUN - LHR
1 stop33h 39mUnited Airlines
Deal found 4/11£561
Sat 10/116:20LHR - CUN
1 stop25h 00mUnited Airlines
Thu 26/315:51CUN - LHR
1 stop13h 24mUnited Airlines
Deal found 5/11£564
Sat 10/115:20LHR - CUN
1 stop21h 09mUnited Airlines
Wed 25/315:51CUN - LHR
1 stop13h 24mUnited Airlines
Deal found 5/11£564
Sat 14/212:05LHR - CUN
1 stop33h 35mUnited Airlines
Sat 28/212:28CUN - LHR
1 stop14h 02mUnited Airlines
Deal found 4/11£567
Sat 10/113:45LHR - CUN
1 stop22h 28mUnited Airlines
Sun 25/112:28CUN - LHR
1 stop14h 02mUnited Airlines
Deal found 4/11£567
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 6 November 2025.
Wed 4/214:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Wed 11/222:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 5/11£539
Wed 4/314:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Wed 18/322:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 4/11£542
Wed 11/314:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Wed 25/322:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 5/11£548
Sun 1/314:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Sun 8/322:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 5/11£549
Wed 28/114:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Sun 1/222:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 4/11£556
Sun 18/114:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Sun 1/222:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 4/11£565
Sun 1/214:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Wed 11/222:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 4/11£566
Wed 28/114:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Sun 1/322:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 4/11£572
Sun 18/114:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Sun 25/122:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 5/11£575
Fri 6/314:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Wed 11/322:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 5/11£575
Last-minute flights from Heathrow to Cancún
Discover last-minute flight deals from Heathrow to Cancún. Data last updated 6 November 2025 and is based on user searches.
Wed 12/1109:00LHR - CUN
2 stops18h 40mMultiple Airlines
Thu 20/1108:00CUN - LHR
1 stop22h 50mMultiple Airlines
Deal found 4/11£473
Wed 12/1106:00LHR - CUN
2 stops21h 40mMultiple Airlines
Wed 26/1108:00CUN - LHR
1 stop22h 50mMultiple Airlines
Deal found 5/11£490
Wed 12/1113:25LHR - CUN
1 stop14h 15mAir Canada
Thu 20/1108:00CUN - LHR
1 stop22h 50mAir Canada
Deal found 4/11£496
Wed 12/1109:00LHR - CUN
2 stops18h 40mMultiple Airlines
Fri 21/1108:00CUN - LHR
2 stops66h 10mMultiple Airlines
Deal found 4/11£496
Wed 12/1113:25LHR - CUN
1 stop14h 15mAir Canada
Wed 26/1108:00CUN - LHR
1 stop22h 50mAir Canada
Deal found 5/11£498
Thu 13/1113:25LHR - CUN
1 stop14h 15mAir Canada
Mon 24/1108:00CUN - LHR
1 stop22h 50mAir Canada
Deal found 5/11£493
Sat 15/1113:25LHR - CUN
1 stop14h 15mAir Canada
Sat 22/1117:05CUN - LHR
2 stops33h 05mAir Canada
Deal found 5/11£500
Sun 16/1106:50LHR - CUN
2 stops20h 50mMultiple Airlines
Tue 2/1216:00CUN - LHR
1 stop34h 10mMultiple Airlines
Deal found 4/11£479
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 6 November 2025.
Mon 19/107:30LHR - CUN
1 stop17h 25mMultiple Airlines
Deal found 4/11£321
Sun 15/311:25LHR - CUN
1 stop36h 55mMultiple Airlines
Deal found 5/11£336
Thu 8/106:00LHR - CUN
1 stop17h 10mSWISS
Deal found 4/11£341
Thu 15/106:00LHR - CUN
1 stop17h 10mSWISS
Deal found 5/11£342
Wed 14/118:40LHR - CUN
1 stop28h 30mSWISS
Deal found 5/11£344
Sat 17/109:55LHR - CUN
2 stops32h 35mMultiple Airlines
Deal found 4/11£347
Fri 27/206:15LHR - CUN
1 stop18h 20mMultiple Airlines
Deal found 5/11£348
Wed 28/109:55LHR - CUN
2 stops30h 55mMultiple Airlines
Deal found 4/11£356
Thu 29/109:00LHR - CUN
2 stops18h 40mAir Canada
Deal found 4/11£359
Mon 2/319:05LHR - CUN
2 stops25h 45mMultiple Airlines
Deal found 5/11£360
Thu 29/106:00LHR - CUN
1 stop17h 10mSWISS
Deal found 4/11£363
Thu 19/210:05LHR - CUN
2 stops30h 30mMultiple Airlines
Deal found 3/11£364
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 6 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 6 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
Wed 3/12
09:00-22:40
2 stops18h 40m
Cancun
Mon 8/12
08:00-11:50
1 stop22h 50m
£468
LondonCancún
LHR - CUN
LHRCUN
London Heathrow
Wed 3/12
09:00-22:40
2 stops18h 40m
Cancun
Mon 8/12
18:10-21:40
2 stops22h 30m
£488
LondonCancún
LHR - CUN
LHRCUN
London Heathrow
Mon 17/11
13:25-22:40
1 stop14h 15m
Cancun
Mon 24/11
08:00-11:50
1 stop22h 50m
£494
LondonCancún
LHR - CUN
LHRCUN
London Heathrow
Sun 7/12
07:40-20:18
2 stops17h 38m
Cancun
Sun 14/12
08:39-07:30
1 stop17h 51m
£559
LondonCancún
LHR - CUN
LHRCUN
London Heathrow
Sat 15/11
07:40-20:18
2 stops17h 38m
Cancun
Sat 22/11
16:51-07:30
1 stop33h 39m
£561
LondonCancún
LHR - CUN
LHRCUN
London Heathrow
Sat 10/1
16:20-12:20
1 stop25h 00m
Cancun
Thu 26/3
15:51-10:15
1 stop13h 24m
£564
LondonCancún
LHR - CUN
LHRCUN
London Heathrow
Sat 10/1
15:20-07:29
1 stop21h 09m
Cancun
Wed 25/3
15:51-10:15
1 stop13h 24m
£564
LondonCancún
LHR - CUN
LHRCUN
London Heathrow
Wed 21/1
14:45-20:40
Nonstop10h 55m
Cancun
Wed 28/1
22:30-12:50
Nonstop9h 20m
£565
LondonCancún
LHR - CUN
LHRCUN
London Heathrow
Sat 14/2
12:05-16:40
1 stop33h 35m
Cancun
Sat 28/2
12:28-07:30
1 stop14h 02m
£567
LondonCancún
LHR - CUN
LHRCUN
London Heathrow
Sat 10/1
13:45-07:13
1 stop22h 28m
Cancun
Sun 25/1
12:28-07:30
1 stop14h 02m
£567
Flights are sorted by cheapest return flights first.
Deals found on 5/11
Showing 1-10 of 20 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
Prices
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 31 October 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 31 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, January is the cheapest month in which you can book a flight from London Heathrow Airport to Cancún (average of £476). Flying from London Heathrow Airport to Cancún in July is currently the most expensive (average of £581). 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 6 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?
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 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.
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 6 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.
My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
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 17h 38m. 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 £440. Additional return tickets that might be worth considering are offered by Air Canada and Delta, with the lowest prices starting at £477 and £480, respectively. These flights start at 35% 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 £387. On average you can expect to pay £830. The most popular route, (London Heathrow - Cancun), can usually be booked for £477.
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, January is the cheapest month in which you can book a flight from London Heathrow Airport to Cancún (average of £476). Flying from London Heathrow Airport to Cancún in July is currently the most expensive (average of £581). 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.
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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 6 November 2025.
Explore flights to Cancún departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 6 November 2025.
Browse through other flights departing from Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 6 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 6 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.
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