Cheap flights from London Heathrow Airport to Cancún from £347
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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CUN
11 Jan — 18 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 Monday 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 12 December 2025.
Thu 18/1207:40LHR - CUN
2 stops17h 38mUnited Airlines
Wed 31/1208:39CUN - LHR
1 stop17h 51mUnited Airlines
Deal found 10/12£552
Thu 18/1207:40LHR - CUN
2 stops17h 38mUnited Airlines
Tue 30/1212:28CUN - LHR
1 stop14h 02mUnited Airlines
Deal found 11/12£553
Wed 31/1217:10LHR - CUN
1 stop30h 00mMultiple Airlines
Fri 30/108:00CUN - LHR
1 stop22h 50mMultiple Airlines
Deal found 11/12£570
Wed 31/1206:30LHR - CUN
1 stop14h 50mLufthansa
Thu 8/112:28CUN - LHR
1 stop14h 02mLufthansa
Deal found 11/12£579
Wed 31/1206:30LHR - CUN
1 stop14h 50mLufthansa
Fri 30/112:28CUN - LHR
2 stops38h 27mLufthansa
Deal found 11/12£580
Wed 31/1206:30LHR - CUN
1 stop14h 50mLufthansa
Thu 29/112:28CUN - LHR
2 stops21h 17mLufthansa
Deal found 11/12£585
Tue 30/1209:30LHR - CUN
1 stop35h 50mLufthansa
Fri 30/112:28CUN - LHR
1 stop16h 47mLufthansa
Deal found 11/12£594
Tue 30/1210:30LHR - CUN
1 stop34h 50mLufthansa
Thu 29/112:28CUN - LHR
2 stops21h 17mLufthansa
Deal found 11/12£599
Thu 25/1206:00LHR - CUN
1 stop17h 10mMultiple Airlines
Thu 8/112:28CUN - LHR
1 stop14h 02mMultiple Airlines
Deal found 10/12£600
Tue 30/1209:30LHR - CUN
1 stop35h 50mMultiple Airlines
Wed 7/119:25CUN - LHR
2 stops20h 10mMultiple Airlines
Deal found 10/12£603
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 12 December 2025.
Thu 8/116:20LHR - CUN
1 stop25h 00mUnited Airlines
Tue 27/114:04CUN - LHR
1 stop13h 21mUnited Airlines
Deal found 11/12£562
Thu 8/116:20LHR - CUN
1 stop25h 00mUnited Airlines
Wed 21/112:35CUN - LHR
1 stop13h 05mUnited Airlines
Deal found 10/12£562
Thu 8/115:10LHR - CUN
2 stops25h 15mUnited Airlines
Sun 18/112:28CUN - LHR
1 stop14h 02mUnited Airlines
Deal found 10/12£562
Fri 9/116:20LHR - CUN
1 stop29h 20mUnited Airlines
Fri 23/113:27CUN - LHR
2 stops16h 23mUnited Airlines
Deal found 10/12£562
Sun 8/215:20LHR - CUN
1 stop21h 09mUnited Airlines
Sat 21/208:39CUN - LHR
1 stop17h 51mUnited Airlines
Deal found 10/12£562
Tue 10/213:45LHR - CUN
1 stop22h 28mUnited Airlines
Fri 20/217:09CUN - LHR
1 stop12h 41mUnited Airlines
Deal found 10/12£562
Thu 8/116:20LHR - CUN
1 stop25h 00mUnited Airlines
Mon 26/114:44CUN - LHR
1 stop14h 31mUnited Airlines
Deal found 11/12£565
Sat 10/116:20LHR - CUN
1 stop25h 00mUnited Airlines
Tue 27/117:09CUN - LHR
1 stop12h 41mUnited Airlines
Deal found 11/12£565
Thu 8/116:20LHR - CUN
1 stop25h 00mUnited Airlines
Fri 30/117:09CUN - LHR
1 stop12h 41mUnited Airlines
Deal found 11/12£565
Sat 10/116:20LHR - CUN
1 stop25h 00mUnited Airlines
Wed 28/114:04CUN - LHR
1 stop13h 21mUnited Airlines
Deal found 11/12£565
Sat 10/116:20LHR - CUN
1 stop25h 00mUnited Airlines
Thu 29/112:35CUN - LHR
1 stop13h 05mUnited Airlines
Deal found 11/12£565
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 12 December 2025.
Wed 11/314:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Wed 18/322:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 10/12£572
Wed 4/314:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Wed 11/322:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 10/12£573
Wed 11/314:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Wed 25/322:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 11/12£574
Wed 11/314:45LHR - CUN
Nonstop10h 55mKLM
Wed 25/322:30CUN - LHR
Nonstop9h 20mKLM
Deal found 10/12£586
Sun 18/114:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Sun 1/222:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 10/12£590
Sun 25/114:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Sun 1/222:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 11/12£591
Sun 1/214:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Wed 11/222:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 11/12£591
Wed 28/114:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Wed 11/222:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 10/12£608
Wed 25/214:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Fri 6/322:30CUN - LHR
Nonstop9h 35mVirgin Atlantic
Deal found 10/12£612
Last-minute flights from Heathrow to Cancún
Discover last-minute flight deals from Heathrow to Cancún. Data last updated 12 December 2025 and is based on user searches.
Thu 8/109:00LHR - CUN
2 stops17h 15mAir Canada
Fri 16/119:25CUN - LHR
2 stops20h 10mAir Canada
Deal found 11/12£534
Thu 8/109:00LHR - CUN
2 stops17h 15mAir Canada
Wed 28/122:10CUN - LHR
2 stops17h 25mAir Canada
Deal found 11/12£535
Thu 8/115:10LHR - CUN
2 stops25h 15mLufthansa
Sat 7/212:35CUN - LHR
1 stop13h 05mLufthansa
Deal found 10/12£537
Thu 8/118:00LHR - CUN
1 stop23h 25mLufthansa
Thu 15/115:18CUN - LHR
1 stop14h 57mLufthansa
Deal found 11/12£538
Thu 8/109:00LHR - CUN
2 stops17h 15mAir Canada
Mon 26/111:00CUN - LHR
2 stops19h 20mAir Canada
Deal found 11/12£538
Fri 9/109:00LHR - CUN
2 stops17h 15mAir Canada
Thu 15/115:00CUN - LHR
2 stops24h 35mAir Canada
Deal found 11/12£532
Fri 9/112:00LHR - CUN
2 stops39h 40mAir Canada
Fri 23/122:10CUN - LHR
1 stop27h 20mAir Canada
Deal found 12/12£532
Fri 9/118:00LHR - CUN
1 stop23h 25mLufthansa
Fri 23/115:18CUN - LHR
1 stop14h 57mLufthansa
Deal found 12/12£540
Sat 10/109:00LHR - CUN
2 stops17h 15mAir Canada
Sat 24/108:00CUN - LHR
1 stop22h 50mAir Canada
Deal found 11/12£531
Sat 10/109:00LHR - CUN
2 stops17h 15mAir Canada
Fri 16/119:25CUN - LHR
2 stops20h 10mAir Canada
Deal found 11/12£533
Sat 10/109:00LHR - CUN
2 stops17h 15mAir Canada
Sat 17/118:20CUN - LHR
2 stops34h 00mAir Canada
Deal found 11/12£541
Thu 29/106:50LHR - CUN
2 stops20h 50mMultiple Airlines
Thu 12/212:28CUN - LHR
2 stops21h 17mMultiple Airlines
Deal found 10/12£530
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 12 December 2025.
Mon 2/217:10LHR - CUN
1 stop30h 00mSWISS
Deal found 9/12£347
Tue 3/206:50LHR - CUN
2 stops20h 50mAir Canada
Deal found 11/12£350
Wed 25/218:50LHR - CUN
2 stops53h 45mMultiple Airlines
Deal found 11/12£352
Sun 25/109:55LHR - CUN
3 stops31h 21mMultiple Airlines
Deal found 10/12£352
Tue 5/508:15LHR - CUN
1 stop15h 45mJetBlue
Deal found 9/12£354
Tue 24/212:20LHR - CUN
1 stop33h 09mJetBlue
Deal found 10/12£358
Thu 22/106:00LHR - CUN
1 stop17h 10mSWISS
Deal found 10/12£360
Thu 26/206:00LHR - CUN
1 stop17h 10mSWISS
Deal found 11/12£364
Tue 27/106:00LHR - CUN
1 stop17h 10mSWISS
Deal found 11/12£364
Tue 27/115:45LHR - CUN
2 stops28h 02mMultiple Airlines
Deal found 11/12£365
Wed 22/408:45LHR - CUN
2 stops18h 45mAir Canada
Deal found 11/12£370
Mon 9/220:05LHR - CUN
1 stop27h 05mSWISS
Deal found 10/12£371
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 12 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 12 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
Thu 8/1
16:20-12:20
1 stop25h 00m
Cancun
Tue 27/1
14:04-08:25
1 stop13h 21m
£562
LondonCancún
LHR - CUN
LHRCUN
London Heathrow
Thu 8/1
16:20-12:20
1 stop25h 00m
Cancun
Wed 21/1
12:35-06:40
1 stop13h 05m
£562
LondonCancún
LHR - CUN
LHRCUN
London Heathrow
Thu 8/1
15:10-11:25
2 stops25h 15m
Cancun
Sun 18/1
12:28-07:30
1 stop14h 02m
£562
LondonCancún
LHR - CUN
LHRCUN
London Heathrow
Fri 9/1
16:20-16:40
1 stop29h 20m
Cancun
Fri 23/1
13:27-10:50
2 stops16h 23m
£562
LondonCancún
LHR - CUN
LHRCUN
London Heathrow
Sun 8/2
15:20-07:29
1 stop21h 09m
Cancun
Sat 21/2
08:39-07:30
1 stop17h 51m
£562
LondonCancún
LHR - CUN
LHRCUN
London Heathrow
Tue 10/2
13:45-07:13
1 stop22h 28m
Cancun
Fri 20/2
17:09-10:50
1 stop12h 41m
£562
LondonCancún
LHR - CUN
LHRCUN
London Heathrow
Thu 8/1
16:20-12:20
1 stop25h 00m
Cancun
Mon 26/1
14:44-10:15
1 stop14h 31m
£565
LondonCancún
LHR - CUN
LHRCUN
London Heathrow
Sat 10/1
16:20-12:20
1 stop25h 00m
Cancun
Tue 27/1
17:09-10:50
1 stop12h 41m
£565
LondonCancún
LHR - CUN
LHRCUN
London Heathrow
Thu 8/1
16:20-12:20
1 stop25h 00m
Cancun
Fri 30/1
17:09-10:50
1 stop12h 41m
£565
LondonCancún
LHR - CUN
LHRCUN
London Heathrow
Sat 10/1
16:20-12:20
1 stop25h 00m
Cancun
Wed 28/1
14:04-08:25
1 stop13h 21m
£565
Flights are sorted by cheapest return flights first.
Deals found on 11/12
Showing 1-10 of 23 results
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2
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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 5 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 £565). 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 12 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 6 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 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.
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 £587.
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 12 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 25h. Airlines will cover a distance of 4938 mi.
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 £463 and £467, 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 £371. On average you can expect to pay £1,047. The most popular route, (London Heathrow - Cancun), can usually be booked for £488.
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 £565). 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 12 December 2025.
Explore flights to Cancún departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 12 December 2025.
Browse through other flights departing from Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 12 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 12 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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