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 19/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CUN
3 Jan — 10 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 20 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 4 December 2025.
Sun 7/1215:00LHR - CUN
1 stop31h 45mVirgin Atlantic
Sun 14/1222:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 30/11£523
Wed 10/1208:55LHR - CUN
1 stop17h 25mVirgin Atlantic
Wed 17/1222:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 1/12£534
Mon 8/1206:20LHR - CUN
1 stop16h 25mVirgin Atlantic
Tue 23/1220:20CUN - LHR
1 stop20h 05mVirgin Atlantic
Deal found 1/12£537
Mon 8/1208:55LHR - CUN
1 stop13h 50mAir France
Tue 23/1220:20CUN - LHR
1 stop12h 25mAir France
Deal found 1/12£538
Wed 10/1216:00LHR - CUN
2 stops34h 20mVirgin Atlantic
Sun 14/1222:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 1/12£541
Thu 11/1213:05LHR - CUN
2 stops37h 15mVirgin Atlantic
Wed 24/1222:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 1/12£542
Sun 14/1207:40LHR - CUN
2 stops32h 10mMultiple Airlines
Mon 19/111:45CUN - LHR
1 stop18h 35mMultiple Airlines
Deal found 3/12£544
Tue 9/1217:35LHR - CUN
1 stop29h 10mVirgin Atlantic
Tue 16/1220:20CUN - LHR
1 stop12h 25mVirgin Atlantic
Deal found 1/12£547
Mon 8/1208:55LHR - CUN
1 stop13h 50mVirgin Atlantic
Mon 15/1212:00CUN - LHR
1 stop14h 50mVirgin Atlantic
Deal found 2/12£549
Thu 11/1208:55LHR - CUN
1 stop17h 25mVirgin Atlantic
Thu 25/1212:15CUN - LHR
1 stop15h 30mVirgin Atlantic
Deal found 2/12£552
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 4 December 2025.
Mon 16/313:45LHR - CUN
1 stop21h 28mUnited Airlines
Sun 22/313:44CUN - LHR
1 stop15h 31mUnited Airlines
Deal found 3/12£562
Fri 6/215:20LHR - CUN
1 stop21h 09mUnited Airlines
Fri 27/216:04CUN - LHR
1 stop14h 01mUnited Airlines
Deal found 3/12£562
Sat 14/216:20LHR - CUN
1 stop29h 20mUnited Airlines
Mon 2/312:28CUN - LHR
1 stop14h 02mUnited Airlines
Deal found 3/12£562
Sat 14/212:05LHR - CUN
1 stop29h 49mUnited Airlines
Wed 4/312:35CUN - LHR
1 stop13h 05mUnited Airlines
Deal found 3/12£562
Sat 7/215:20LHR - CUN
1 stop21h 09mUnited Airlines
Sun 22/208:39CUN - LHR
1 stop17h 51mUnited Airlines
Deal found 3/12£562
Sat 28/211:35LHR - CUN
1 stop31h 43mUnited Airlines
Sun 15/312:37CUN - LHR
1 stop16h 03mUnited Airlines
Deal found 3/12£585
Thu 15/115:20LHR - CUN
1 stop21h 09mUnited Airlines
Thu 22/112:35CUN - LHR
2 stops14h 50mUnited Airlines
Deal found 1/12£586
Mon 2/315:20LHR - CUN
1 stop21h 09mUnited Airlines
Sun 22/305:30CUN - LHR
1 stop21h 00mUnited Airlines
Deal found 2/12£586
Sun 1/315:20LHR - CUN
1 stop21h 09mUnited Airlines
Sun 22/305:30CUN - LHR
1 stop21h 00mUnited Airlines
Deal found 2/12£586
Thu 26/215:20LHR - CUN
1 stop21h 09mUnited Airlines
Mon 2/314:44CUN - LHR
1 stop14h 31mUnited Airlines
Deal found 1/12£590
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 4 December 2025.
Wed 14/114:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Wed 21/122:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 30/11£523
Wed 14/114:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Sun 25/122:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 1/12£544
Fri 16/114:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Sun 25/122:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 1/12£553
Fri 16/114:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Wed 21/122:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 1/12£556
Sun 22/214:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Fri 6/322:30CUN - LHR
Nonstop9h 35mVirgin Atlantic
Deal found 2/12£557
Wed 18/214:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Wed 4/322:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 3/12£560
Wed 18/214:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Wed 25/222:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 2/12£568
Sun 18/114:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Sun 1/222:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 3/12£569
Fri 16/114:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Fri 23/122:30CUN - LHR
Nonstop9h 35mVirgin Atlantic
Deal found 2/12£573
Last-minute flights from Heathrow to Cancún
Discover last-minute flight deals from Heathrow to Cancún. Data last updated 4 December 2025 and is based on user searches.
Sun 7/1214:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Sun 14/1222:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 30/11£525
Tue 13/106:50LHR - CUN
2 stops20h 50mAir Canada
Wed 21/108:00CUN - LHR
1 stop22h 50mAir Canada
Deal found 1/12£529
Wed 14/119:25LHR - CUN
1 stop27h 20mVirgin Atlantic
Wed 21/122:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 30/11£526
Thu 15/106:50LHR - CUN
2 stops20h 50mAir Canada
Mon 26/108:00CUN - LHR
1 stop22h 50mAir Canada
Deal found 1/12£524
Sun 18/106:50LHR - CUN
2 stops20h 50mAir Canada
Sun 1/208:00CUN - LHR
1 stop22h 50mAir Canada
Deal found 1/12£518
Sun 18/109:00LHR - CUN
1 stop13h 45mKLM
Sun 1/222:30CUN - LHR
Nonstop9h 20mKLM
Deal found 1/12£523
Mon 19/106:50LHR - CUN
2 stops20h 50mAir Canada
Sun 25/108:00CUN - LHR
1 stop22h 50mAir Canada
Deal found 1/12£527
Mon 19/106:50LHR - CUN
2 stops20h 50mAir Canada
Mon 26/108:00CUN - LHR
1 stop22h 50mAir Canada
Deal found 1/12£528
Tue 20/106:00LHR - CUN
2 stops20h 15mAir Canada
Tue 27/108:00CUN - LHR
1 stop22h 50mAir Canada
Deal found 1/12£527
Mon 26/108:05LHR - CUN
1 stop35h 50mJetBlue
Thu 5/214:41CUN - LHR
1 stop13h 49mJetBlue
Deal found 1/12£521
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 4 December 2025.
Mon 19/109:55LHR - CUN
3 stops31h 21mMultiple Airlines
Deal found 1/12£343
Wed 4/309:55LHR - CUN
3 stops32h 41mMultiple Airlines
Deal found 1/12£344
Tue 9/1215:15LHR - CUN
1 stop31h 50mMultiple Airlines
Deal found 2/12£348
Sat 28/209:55LHR - CUN
3 stops31h 25mMultiple Airlines
Deal found 2/12£354
Wed 18/310:45LHR - CUN
3 stops41h 45mMultiple Airlines
Deal found 2/12£357
Tue 13/106:50LHR - CUN
2 stops20h 50mAir Canada
Deal found 1/12£357
Thu 5/215:30LHR - CUN
2 stops33h 05mMultiple Airlines
Deal found 2/12£358
Mon 2/212:20LHR - CUN
1 stop31h 35mJetBlue
Deal found 2/12£359
Mon 9/217:50LHR - CUN
2 stops30h 30mMultiple Airlines
Deal found 1/12£360
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 4 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 4 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
Mon 16/3
13:45-06:13
1 stop21h 28m
Cancun
Sun 22/3
13:44-10:15
1 stop15h 31m
£562
LondonCancún
LHR - CUN
LHRCUN
London Heathrow
Fri 6/2
15:20-07:29
1 stop21h 09m
Cancun
Fri 27/2
16:04-11:05
1 stop14h 01m
£562
LondonCancún
LHR - CUN
LHRCUN
London Heathrow
Sat 14/2
16:20-16:40
1 stop29h 20m
Cancun
Mon 2/3
12:28-07:30
1 stop14h 02m
£562
LondonCancún
LHR - CUN
LHRCUN
London Heathrow
Sat 14/2
12:05-12:54
1 stop29h 49m
Cancun
Wed 4/3
12:35-06:40
1 stop13h 05m
£562
LondonCancún
LHR - CUN
LHRCUN
London Heathrow
Sat 7/2
15:20-07:29
1 stop21h 09m
Cancun
Sun 22/2
08:39-07:30
1 stop17h 51m
£562
LondonCancún
LHR - CUN
LHRCUN
London Heathrow
Sat 28/2
11:35-14:18
1 stop31h 43m
Cancun
Sun 15/3
12:37-09:40
1 stop16h 03m
£585
LondonCancún
LHR - CUN
LHRCUN
London Heathrow
Thu 15/1
15:20-07:29
1 stop21h 09m
Cancun
Thu 22/1
12:35-08:25
2 stops14h 50m
£586
LondonCancún
LHR - CUN
LHRCUN
London Heathrow
Mon 2/3
15:20-07:29
1 stop21h 09m
Cancun
Sun 22/3
05:30-07:30
1 stop21h 00m
£586
LondonCancún
LHR - CUN
LHRCUN
London Heathrow
Sun 1/3
15:20-07:29
1 stop21h 09m
Cancun
Sun 22/3
05:30-07:30
1 stop21h 00m
£586
LondonCancún
LHR - CUN
LHRCUN
London Heathrow
Thu 26/2
15:20-07:29
1 stop21h 09m
Cancun
Mon 2/3
14:44-10:15
1 stop14h 31m
£590
Flights are sorted by cheapest return flights first.
Deals found on 1/12
Showing 1-10 of 21 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 28 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 £466). Flying from London Heathrow Airport to Cancún in July is currently the most expensive (average of £570). 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 4 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 29 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.
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 £591.
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 4 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 21h 28m. 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 £432. Additional return tickets that might be worth considering are offered by Air Canada and Delta, with the lowest prices starting at £466 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 £374. On average you can expect to pay £882. The most popular route, (London Heathrow - Cancun), can usually be booked for £482.
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 £466). Flying from London Heathrow Airport to Cancún in July is currently the most expensive (average of £570). 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 4 December 2025.
Explore flights to Cancún departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 4 December 2025.
Browse through other flights departing from Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 4 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 4 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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