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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CUN
10 Jan — 17 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 11 December 2025.
Wed 24/1212:00LHR - CUN
2 stops34h 10mAir Canada
Wed 14/118:10CUN - LHR
1 stop36h 40mAir Canada
Deal found 9/12£541
Thu 18/1207:40LHR - CUN
2 stops17h 38mUnited Airlines
Thu 15/112:35CUN - LHR
1 stop13h 05mUnited Airlines
Deal found 10/12£554
Tue 23/1207:25LHR - CUN
1 stop18h 19mUnited Airlines
Tue 13/114:04CUN - LHR
1 stop14h 06mUnited Airlines
Deal found 9/12£555
Wed 31/1206:30LHR - CUN
1 stop14h 50mLufthansa
Fri 30/112:28CUN - LHR
2 stops17h 47mLufthansa
Deal found 9/12£582
Tue 30/1215:30LHR - CUN
1 stop29h 50mLufthansa
Fri 30/112:28CUN - LHR
1 stop14h 02mLufthansa
Deal found 9/12£597
Wed 31/1206:30LHR - CUN
1 stop14h 50mLufthansa
Thu 29/112:28CUN - LHR
1 stop16h 47mLufthansa
Deal found 9/12£603
Tue 30/1209:30LHR - CUN
1 stop35h 50mMultiple Airlines
Wed 7/119:25CUN - LHR
2 stops20h 10mMultiple Airlines
Deal found 10/12£606
Thu 25/1214:30LHR - CUN
1 stop21h 30mAir Canada
Thu 29/108:00CUN - LHR
1 stop22h 50mAir Canada
Deal found 10/12£608
Thu 25/1214:30LHR - CUN
1 stop21h 30mAir Canada
Wed 31/1208:00CUN - LHR
2 stops21h 10mAir Canada
Deal found 10/12£610
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 11 December 2025.
Sat 10/116:20LHR - CUN
2 stops25h 34mUnited Airlines
Sat 28/217:09CUN - LHR
1 stop12h 41mUnited Airlines
Deal found 8/12£565
Wed 11/314:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Wed 18/322:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 10/12£575
Sat 10/106:00LHR - CUN
1 stop17h 10mMultiple Airlines
Sat 17/108:00CUN - LHR
1 stop22h 50mMultiple Airlines
Deal found 10/12£587
Mon 19/120:25LHR - CUN
1 stop23h 40mKLM
Sun 25/122:30CUN - LHR
Nonstop9h 20mKLM
Deal found 10/12£593
Tue 28/408:15LHR - CUN
1 stop15h 50mJetBlue
Tue 12/514:20CUN - LHR
1 stop24h 25mJetBlue
Deal found 10/12£614
Sat 10/106:50LHR - CUN
2 stops20h 50mAir Canada
Sat 17/108:00CUN - LHR
1 stop22h 50mAir Canada
Deal found 10/12£618
Wed 31/1206:30LHR - CUN
1 stop14h 50mLufthansa
Fri 30/112:28CUN - LHR
2 stops38h 27mLufthansa
Deal found 10/12£647
Sat 10/116:20LHR - CUN
1 stop25h 00mUnited Airlines
Sun 1/308:39CUN - LHR
1 stop17h 51mUnited Airlines
Deal found 9/12£565
Thu 8/116:20LHR - CUN
1 stop25h 00mUnited Airlines
Wed 21/112:35CUN - LHR
1 stop13h 05mUnited Airlines
Deal found 10/12£565
Sun 8/215:20LHR - CUN
1 stop21h 09mUnited Airlines
Sat 21/208:39CUN - LHR
1 stop17h 51mUnited Airlines
Deal found 10/12£565
Tue 10/213:45LHR - CUN
1 stop22h 28mUnited Airlines
Fri 20/217:09CUN - LHR
1 stop12h 41mUnited Airlines
Deal found 10/12£565
Thu 26/211:35LHR - CUN
2 stops24h 54mUnited Airlines
Mon 2/308:39CUN - LHR
2 stops16h 16mUnited Airlines
Deal found 10/12£631
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 11 December 2025.
Wed 11/314:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Wed 18/322:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 10/12£575
Wed 4/314:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Wed 11/322:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 10/12£575
Wed 11/314:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Wed 25/322:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 9/12£577
Sun 1/214:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Sun 8/222:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 9/12£589
Sun 18/114:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Sun 1/222:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 10/12£593
Sun 1/214:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Wed 11/222:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 10/12£593
Wed 28/114:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Wed 11/222:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 10/12£611
Wed 25/214:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Fri 6/322:30CUN - LHR
Nonstop9h 35mVirgin Atlantic
Deal found 10/12£614
Sun 11/114:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Wed 4/322:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 9/12£616
Fri 6/214:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Sun 15/222:30CUN - LHR
Nonstop9h 20mVirgin Atlantic
Deal found 9/12£619
Wed 4/214:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Fri 13/222:30CUN - LHR
Nonstop9h 35mVirgin Atlantic
Deal found 9/12£623
Last-minute flights from Heathrow to Cancún
Discover last-minute flight deals from Heathrow to Cancún. Data last updated 11 December 2025 and is based on user searches.
Wed 24/1212:00LHR - CUN
2 stops34h 10mAir Canada
Wed 14/115:00CUN - LHR
2 stops48h 35mAir Canada
Deal found 9/12£543
Thu 1/108:30LHR - CUN
2 stops18h 10mUnited Airlines
Thu 8/108:23CUN - LHR
2 stops21h 27mUnited Airlines
Deal found 9/12£542
Thu 8/109:00LHR - CUN
2 stops42h 40mAir Canada
Tue 13/122:10CUN - LHR
2 stops17h 25mAir Canada
Deal found 9/12£532
Thu 8/116:00LHR - CUN
1 stop24h 20mLufthansa
Sat 7/212:28CUN - LHR
1 stop14h 02mLufthansa
Deal found 10/12£539
Thu 8/118:00LHR - CUN
1 stop23h 25mLufthansa
Tue 13/119:00CUN - LHR
1 stop20h 35mLufthansa
Deal found 9/12£540
Fri 9/109:00LHR - CUN
2 stops17h 15mAir Canada
Sat 24/122:10CUN - LHR
2 stops17h 25mAir Canada
Deal found 10/12£534
Fri 9/112:00LHR - CUN
2 stops38h 15mAir Canada
Thu 5/322:10CUN - LHR
2 stops30h 10mAir Canada
Deal found 9/12£536
Fri 9/112:00LHR - CUN
2 stops38h 15mAir Canada
Wed 18/321:10CUN - LHR
2 stops29h 00mAir Canada
Deal found 9/12£538
Fri 9/112:00LHR - CUN
2 stops38h 15mAir Canada
Tue 31/320:55CUN - LHR
2 stops29h 40mAir Canada
Deal found 8/12£541
Sun 11/113:25LHR - CUN
1 stop14h 15mAir Canada
Wed 1/411:05CUN - LHR
1 stop13h 25mAir Canada
Deal found 8/12£536
Mon 12/113:25LHR - CUN
1 stop32h 40mAir Canada
Thu 2/408:50CUN - LHR
1 stop21h 00mAir Canada
Deal found 8/12£539
Thu 29/106:50LHR - CUN
2 stops20h 50mMultiple Airlines
Thu 12/212:28CUN - LHR
2 stops21h 17mMultiple Airlines
Deal found 10/12£533
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 11 December 2025.
Tue 3/206:00LHR - CUN
1 stop17h 10mSWISS
Deal found 9/12£342
Tue 3/220:50LHR - CUN
3 stops53h 21mMultiple Airlines
Deal found 9/12£345
Mon 2/217:10LHR - CUN
1 stop30h 00mSWISS
Deal found 9/12£348
Fri 6/320:50LHR - CUN
3 stops45h 30mMultiple Airlines
Deal found 8/12£350
Sun 25/109:55LHR - CUN
3 stops31h 21mMultiple Airlines
Deal found 10/12£354
Tue 5/508:15LHR - CUN
1 stop15h 45mJetBlue
Deal found 9/12£356
Mon 23/208:05LHR - CUN
1 stop16h 00mJetBlue
Deal found 9/12£360
Thu 22/106:00LHR - CUN
1 stop17h 10mSWISS
Deal found 10/12£362
Thu 19/206:00LHR - CUN
1 stop17h 10mSWISS
Deal found 9/12£365
Tue 20/113:45LHR - CUN
2 stops37h 55mMultiple Airlines
Deal found 9/12£365
Mon 23/206:50LHR - CUN
2 stops20h 50mAir Canada
Deal found 9/12£366
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 11 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 11 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
Sat 10/1
16:20-12:54
2 stops25h 34m
Cancun
Sat 28/2
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
Sun 1/3
08:39-07:30
1 stop17h 51m
£565
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
£565
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
£565
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
£565
LondonCancún
LHR - CUN
LHRCUN
London Heathrow
Wed 11/3
14:45-20:40
Nonstop10h 55m
Cancun
Wed 18/3
22:30-12:50
Nonstop9h 20m
£575
LondonCancún
LHR - CUN
LHRCUN
London Heathrow
Sat 10/1
06:00-18:10
1 stop17h 10m
Cancun
Sat 17/1
08:00-11:50
1 stop22h 50m
£587
LondonCancún
LHR - CUN
LHRCUN
London Heathrow
Mon 19/1
20:25-15:05
1 stop23h 40m
Cancun
Sun 25/1
22:30-12:50
Nonstop9h 20m
£593
LondonCancún
LHR - CUN
LHRCUN
London Heathrow
Tue 28/4
08:15-18:05
1 stop15h 50m
Cancun
Tue 12/5
14:20-20:45
1 stop24h 25m
£614
LondonCancún
LHR - CUN
LHRCUN
London Heathrow
Sat 10/1
06:50-22:40
2 stops20h 50m
Cancun
Sat 17/1
08:00-11:50
1 stop22h 50m
£618
Flights are sorted by cheapest return flights first.
Deals found on 9/12
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 £458). Flying from London Heathrow Airport to Cancún in July is currently the most expensive (average of £568). 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 11 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 £590.
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 11 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 34m. 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 £431. Additional return tickets that might be worth considering are offered by Air Canada and Delta, with the lowest prices starting at £465 and £469, 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 £373. On average you can expect to pay £1,052. The most popular route, (London Heathrow - Cancun), can usually be booked for £476.
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 £458). Flying from London Heathrow Airport to Cancún in July is currently the most expensive (average of £568). 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 11 December 2025.
Explore flights to Cancún departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 11 December 2025.
Browse through other flights departing from Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 11 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 11 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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