Cheap flights from London Heathrow Airport to Cancún from £342
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 1/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CUN
17 Jan — 24 Jan1
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
Cheap 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 18 December 2025.
Sat 27/1214:45LHR - CUN
1 stop24h 48mAmerican Airlines
Tue 13/112:50CUN - LHR
1 stop12h 55mAmerican Airlines
Deal found 16/12£536
Wed 24/1214:45LHR - CUN
1 stop26h 28mAmerican Airlines
Wed 14/112:50CUN - LHR
1 stop13h 20mAmerican Airlines
Deal found 16/12£538
Mon 22/1212:05LHR - CUN
1 stop29h 49mUnited Airlines
Wed 31/1213:37CUN - LHR
1 stop15h 03mUnited Airlines
Deal found 15/12£555
Wed 31/1206:30LHR - CUN
1 stop14h 50mLufthansa
Sun 11/112:28CUN - LHR
1 stop16h 47mLufthansa
Deal found 15/12£556
Tue 23/1212:05LHR - CUN
1 stop34h 45mUnited Airlines
Wed 31/1206:30CUN - LHR
2 stops19h 40mUnited Airlines
Deal found 15/12£557
Wed 31/1220:05LHR - CUN
1 stop27h 05mMultiple Airlines
Fri 16/112:28CUN - LHR
1 stop14h 02mMultiple Airlines
Deal found 15/12£562
Wed 24/1215:00LHR - CUN
1 stop30h 09mAmerican Airlines
Wed 21/108:45CUN - LHR
2 stops16h 45mAmerican Airlines
Deal found 17/12£562
Thu 25/1208:20LHR - CUN
1 stop14h 39mMultiple Airlines
Tue 13/113:30CUN - LHR
1 stop14h 45mMultiple Airlines
Deal found 17/12£566
Wed 31/1218:40LHR - CUN
1 stop28h 30mMultiple Airlines
Thu 8/118:20CUN - LHR
1 stop31h 50mMultiple Airlines
Deal found 15/12£571
Wed 31/1217:10LHR - CUN
1 stop30h 00mMultiple Airlines
Fri 30/108:00CUN - LHR
1 stop22h 50mMultiple Airlines
Deal found 14/12£572
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 18 December 2025.
Sun 15/206:30LHR - CUN
2 stops19h 41mDelta
Mon 23/208:00CUN - LHR
1 stop20h 00mDelta
Deal found 15/12£642
Wed 4/218:10LHR - CUN
2 stops31h 35mFinnair
Mon 16/213:09CUN - LHR
1 stop15h 51mFinnair
Deal found 15/12£670
Fri 16/114:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Fri 23/113:40CUN - LHR
1 stop14h 20mVirgin Atlantic
Deal found 17/12£698
Sat 14/215:20LHR - CUN
1 stop30h 26mUnited Airlines
Sat 21/218:30CUN - LHR
1 stop38h 00mUnited Airlines
Deal found 15/12£701
Sun 18/106:30LHR - CUN
2 stops19h 41mDelta
Sun 1/212:05CUN - LHR
2 stops18h 35mDelta
Deal found 16/12£645
Fri 8/516:10LHR - CUN
2 stops33h 50mFinnair
Sat 30/512:11CUN - LHR
1 stop16h 44mFinnair
Deal found 17/12£691
Wed 10/613:00LHR - CUN
1 stop23h 48mUnited Airlines
Tue 23/607:51CUN - LHR
1 stop17h 49mUnited Airlines
Deal found 15/12£734
Fri 6/208:40LHR - CUN
2 stops17h 31mDelta
Sun 15/212:15CUN - LHR
2 stops17h 35mDelta
Deal found 17/12£674
Sat 17/110:20LHR - CUN
2 stops39h 25mFinnair
Sat 24/113:06CUN - LHR
2 stops38h 09mFinnair
Deal found 16/12£739
Fri 6/306:30LHR - CUN
2 stops19h 41mDelta
Sat 21/308:00CUN - LHR
1 stop20h 00mDelta
Deal found 16/12£702
Mon 23/306:30LHR - CUN
2 stops18h 29mDelta
Thu 16/408:15CUN - LHR
2 stops20h 35mDelta
Deal found 15/12£727
Tue 30/1213:00LHR - CUN
2 stops26h 15mDelta
Wed 7/113:40CUN - LHR
2 stops16h 10mDelta
Deal found 15/12£746
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 18 December 2025.
Wed 14/114:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Wed 21/122:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 17/12£535
Sun 8/214:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Wed 4/322:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 17/12£559
Wed 11/314:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Wed 25/322:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 15/12£574
Wed 18/314:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Wed 1/422:30CUN - LHR
Nonstop9h 30mVirgin Atlantic
Deal found 17/12£577
Wed 14/114:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Wed 28/122:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 17/12£580
Wed 21/114:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Wed 28/122:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 16/12£582
Sun 18/114:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Sun 1/222:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 15/12£589
Sun 25/114:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Sun 1/222:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 16/12£591
Last-minute flights from Heathrow to Cancún
Discover last-minute flight deals from Heathrow to Cancún. Data last updated 18 December 2025 and is based on user searches.
Wed 24/1214:45LHR - CUN
1 stop26h 28mAmerican Airlines
Wed 14/112:50CUN - LHR
1 stop13h 20mAmerican Airlines
Deal found 16/12£538
Sat 27/1214:45LHR - CUN
1 stop24h 48mAmerican Airlines
Tue 13/112:50CUN - LHR
1 stop12h 55mAmerican Airlines
Deal found 16/12£536
Thu 8/113:00LHR - CUN
1 stop13h 15mAir Canada
Tue 13/119:25CUN - LHR
1 stop32h 05mAir Canada
Deal found 15/12£535
Tue 13/110:05LHR - CUN
1 stop15h 40mAmerican Airlines
Tue 20/117:21CUN - LHR
1 stop13h 59mAmerican Airlines
Deal found 16/12£537
Wed 14/114:30LHR - CUN
1 stop25h 13mAmerican Airlines
Tue 27/112:50CUN - LHR
1 stop12h 25mAmerican Airlines
Deal found 16/12£538
Fri 16/110:05LHR - CUN
1 stop15h 40mAmerican Airlines
Tue 17/315:30CUN - LHR
1 stop12h 10mAmerican Airlines
Deal found 16/12£535
Sat 17/110:05LHR - CUN
1 stop15h 40mAmerican Airlines
Fri 30/114:22CUN - LHR
1 stop12h 53mAmerican Airlines
Deal found 16/12£544
Wed 21/111:25LHR - CUN
2 stops26h 55mIberia
Wed 28/113:06CUN - LHR
1 stop17h 34mIberia
Deal found 16/12£539
Fri 23/119:05LHR - CUN
1 stop21h 45mAmerican Airlines
Mon 9/315:30CUN - LHR
1 stop12h 10mAmerican Airlines
Deal found 16/12£534
Sat 24/109:00LHR - CUN
2 stops42h 40mAir Canada
Sun 1/222:10CUN - LHR
2 stops17h 25mAir Canada
Deal found 15/12£543
Mon 26/119:40LHR - CUN
2 stops20h 20mIberia
Mon 9/217:21CUN - LHR
1 stop13h 59mIberia
Deal found 16/12£540
Sat 31/114:10LHR - CUN
1 stop26h 39mAmerican Airlines
Sat 7/213:30CUN - LHR
1 stop12h 50mAmerican Airlines
Deal found 17/12£541
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 18 December 2025.
Sun 1/317:25LHR - CUN
1 stop30h 55mMultiple Airlines
Deal found 14/12£342
Thu 19/306:00LHR - CUN
1 stop17h 10mSWISS
Deal found 15/12£345
Sat 28/207:30LHR - CUN
1 stop16h 50mMultiple Airlines
Deal found 15/12£351
Wed 21/117:25LHR - CUN
3 stops32h 30mMultiple Airlines
Deal found 15/12£351
Wed 18/317:10LHR - CUN
1 stop30h 00mSWISS
Deal found 15/12£354
Thu 19/320:50LHR - CUN
2 stops27h 30mMultiple Airlines
Deal found 15/12£355
Wed 25/209:55LHR - CUN
3 stops32h 07mMultiple Airlines
Deal found 16/12£357
Sat 31/109:55LHR - CUN
3 stops52h 18mMultiple Airlines
Deal found 15/12£358
Wed 28/113:45LHR - CUN
2 stops37h 55mAir Canada
Deal found 16/12£360
Tue 3/312:20LHR - CUN
1 stop31h 36mJetBlue
Deal found 16/12£361
Find 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 18 December 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 18 December 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
Sun 15/2
06:30-21:11
2 stops19h 41m
Cancun
Mon 23/2
08:00-09:00
1 stop20h 00m
£642
LondonCancún
LHR - CUN
LHRCUN
London Heathrow
Sun 18/1
06:30-21:11
2 stops19h 41m
Cancun
Sun 1/2
12:05-11:40
2 stops18h 35m
£645
LondonCancún
LHR - CUN
LHRCUN
London Heathrow
Wed 4/2
18:10-20:45
2 stops31h 35m
Cancun
Mon 16/2
13:09-10:00
1 stop15h 51m
£670
LondonCancún
LHR - CUN
LHRCUN
London Heathrow
Fri 6/2
08:40-21:11
2 stops17h 31m
Cancun
Sun 15/2
12:15-10:50
2 stops17h 35m
£674
LondonCancún
LHR - CUN
LHRCUN
London Heathrow
Fri 8/5
16:10-20:00
2 stops33h 50m
Cancun
Sat 30/5
12:11-10:55
1 stop16h 44m
£691
LondonCancún
LHR - CUN
LHRCUN
London Heathrow
Fri 16/1
14:45-20:40
Nonstop10h 55m
Cancun
Fri 23/1
13:40-09:00
1 stop14h 20m
£698
LondonCancún
LHR - CUN
LHRCUN
London Heathrow
Sat 14/2
15:20-16:46
1 stop30h 26m
Cancun
Sat 21/2
18:30-13:30
1 stop38h 00m
£701
LondonCancún
LHR - CUN
LHRCUN
London Heathrow
Fri 6/3
06:30-21:11
2 stops19h 41m
Cancun
Sat 21/3
08:00-09:00
1 stop20h 00m
£702
LondonCancún
LHR - CUN
LHRCUN
London Heathrow
Mon 23/3
06:30-19:59
2 stops18h 29m
Cancun
Thu 16/4
08:15-10:50
2 stops20h 35m
£727
LondonCancún
LHR - CUN
LHRCUN
London Heathrow
Wed 10/6
13:00-06:48
1 stop23h 48m
Cancun
Tue 23/6
07:51-07:40
1 stop17h 49m
£734
Flights are sorted by cheapest return flights first.
Deals found on 15/12
Showing 1-10 of 22 results
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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 12 December 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, November is the cheapest month in which you can book a flight from London Heathrow Airport to Cancún (average of £456). Flying from London Heathrow Airport to Cancún in July is currently the most expensive (average of £566). 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 18 December 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 15% 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 13 December 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 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.
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 £588.
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 18 December 2025.
Read through reviews of airlines operating flights from London Heathrow Airport to Cancún, such as Finnair, Virgin Atlantic, andUnited Airlines. 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 19h 41m. 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 £429. Additional return tickets that might be worth considering are offered by Air Canada and Delta, with the lowest prices starting at £464 and £468, 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 £372. On average you can expect to pay £943. The most popular route, (London Heathrow - Cancun), can usually be booked for £483.
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 £456). Flying from London Heathrow Airport to Cancún in July is currently the most expensive (average of £566). 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
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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 18 December 2025.
Explore flights to Cancún departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 18 December 2025.
Browse through other flights departing from Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 18 December 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 18 December 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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