£422 Cheap Flights from London (LHR) to Cancun (CUN)

View £422 flight on Thu, 29 Oct 2026Opens in a new window

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Popular airlines from Heathrow Airport (LHR) to Cancun Intl. Airport (CUN)

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Cheap Flights from London (LHR) to Cancun (CUN)

Prices were available within the past 7 days and start at £422 for one-way flights and £600 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Thu, 5 Nov - Thu, 12 Nov
LHR
London
CUN
Cancun
£600 Return, found 1 day ago
£600
Return
found 1 day ago
Select Aer Lingus flight, departing Thu, 5 Nov from London to Cancun, returning Thu, 12 Nov, priced at £600 found 1 day ago
Aer Lingus
Tue, 10 Nov - Thu, 19 Nov
LHR
London
CUN
Cancun
£601 Return, found 1 hour ago
£601
Return
found 1 hour ago
Select Aer Lingus flight, departing Tue, 10 Nov from London to Cancun, returning Thu, 19 Nov, priced at £601 found 1 hour ago
Aer Lingus
Mon, 16 Nov - Tue, 1 Dec
LHR
London
CUN
Cancun
£606 Return, found 1 day ago
£606
Return
found 1 day ago
Select Aer Lingus flight, departing Mon, 16 Nov from London to Cancun, returning Tue, 1 Dec, priced at £606 found 1 day ago
Aer Lingus
Tue, 17 Nov - Sun, 29 Nov
LHR
London
CUN
Cancun
£607 Return, found 4 days ago
£607
Return
found 4 days ago
Select Aer Lingus flight, departing Tue, 17 Nov from London to Cancun, returning Sun, 29 Nov, priced at £607 found 4 days ago
Aer Lingus
Tue, 1 Dec - Thu, 10 Dec
LHR
London
CUN
Cancun
£609 Return, found 14 hours ago
£609
Return
found 14 hours ago
Select Aer Lingus flight, departing Tue, 1 Dec from London to Cancun, returning Thu, 10 Dec, priced at £609 found 14 hours ago
Virgin Atlantic
Wed, 10 Mar - Wed, 17 Mar
LHR
London
CUN
Cancun
£619 Return, found 3 days ago
£619
Return
found 3 days ago
Select Virgin Atlantic flight, departing Wed, 10 Mar from London to Cancun, returning Wed, 17 Mar, priced at £619 found 3 days ago
Virgin Atlantic
Sun, 7 Mar - Sun, 14 Mar
LHR
London
CUN
Cancun
£624 Return, found 17 hours ago
£624
Return
found 17 hours ago
Select Virgin Atlantic flight, departing Sun, 7 Mar from London to Cancun, returning Sun, 14 Mar, priced at £624 found 17 hours ago
Delta
Wed, 2 Dec - Wed, 16 Dec
LHR
London
CUN
Cancun
£641 Return, found 1 day ago
£641
Return
found 1 day ago
Select Delta flight, departing Wed, 2 Dec from London to Cancun, returning Wed, 16 Dec, priced at £641 found 1 day ago
Air France
Thu, 14 Jan - Sun, 24 Jan
LHR
London
CUN
Cancun
£645 Return, just found
£645
Return
just found
Select Air France flight, departing Thu, 14 Jan from London to Cancun, returning Sun, 24 Jan, priced at £645 just found
KLM
Tue, 3 Nov - Tue, 24 Nov
LHR
London
CUN
Cancun
£649 Return, found 16 hours ago
£649
Return
found 16 hours ago
Select KLM flight, departing Tue, 3 Nov from London to Cancun, returning Tue, 24 Nov, priced at £649 found 16 hours ago

Alternative airports near Cancun

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Cancun Intl. CUN. Cheapest and Closest option available. Average driving time to city centre is 18 minutes. Flights from £717
CUN
Cancun Intl.
CheapestClosest
Average driving time to city centre18 min
Flights from £717

Frequently asked questions

How much is a flight from LHR to Cancun Intl. Airport (CUN)?
Pack your bags, because round-trip flights between LHR and Cancun Intl. Airport (CUN) start from £600. That's based on fares advertised within the last 7 days on Expedia for flights departing within the next year. Prices can rise quickly, so book now to lock in the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Heathrow Airport to Cancun Intl. Airport (CUN)?
This can vary between airlines, as each has its own terms and conditions. Head to the Customer Service Portal, where you'll find easy-to-follow instructions on how to cancel your flight online.
How do I find cheap flights from Heathrow Airport (LHR) to Cancun Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Heathrow Airport (LHR) to CUN flights, you'll see a "no change fees" filter for you to select.
How far is the flight from London Heathrow to Cancun Intl. Airport (CUN)?
You'll have 8,000 kilometres to cover on the long-haul Hounslow to Cancun route. Wear comfortable clothes and consider taking a pair of noise-cancelling earphones.
Which airlines fly direct from London Heathrow to CUN?
You won't find any airlines flying directly between London Heathrow and Cancun Intl. Airport (CUN), so be ready to make at least one stop on your journey. A layover can be a nice way to break up a trip!
Are Heathrow Airport to CUN flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Heathrow Airport to Cancun Airport at the last minute could be your ticket to an awesome deal. However, it could end up costing you a whole lot more! If you'd rather avoid the risk, book well ahead of your departure date. In fact, Expedia has some of the best bargains as far ahead as 12 months in advance. If your preferred air carrier hasn't released tickets yet, check back often as deals are updated on Expedia all the time.

Frequently asked questions

How much does a flight from London (LHR-Heathrow) to Cancun, Quintana Roo (CUN-Cancun Intl.) cost?
One-way flights typically cost between £495 and £2,275 and return flights often range between £710 and £3,492. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.
Which airlines fly direct from London (LHR-Heathrow) to Cancun, Quintana Roo (CUN-Cancun Intl.)?
Enter LHR to CUN and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from London (LHR-Heathrow) to Cancun, Quintana Roo (CUN-Cancun Intl.)?
To find a cheap flight from London (LHR-Heathrow) to Cancun, Quintana Roo (CUN-Cancun Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from London (LHR-Heathrow) to Cancun, Quintana Roo (CUN-Cancun Intl.)?
The best airline to fly with from London Heathrow (LHR) to Cancun, Quintana Roo (CUN) will differ from traveller to traveller. If you like to fly early, VS offers early morning flights. If price is the most important factor, VS typically offers the lowest fares. UA offers the most daily flights from London Heathrow (LHR) to Cancun, Quintana Roo (CUN), which is brilliant if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from London (LHR-Heathrow) to Cancun, Quintana Roo (CUN-Cancun Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from London (LHR-Heathrow) to Cancun, Quintana Roo (CUN-Cancun Intl.)?
There are approximately 144 connecting flights per day from London (LHR-Heathrow) to Cancun, Quintana Roo (CUN-Cancun Intl.). Some common connection points include Unknown (DUB), Schiphol (AMS), and John F. Kennedy Intl. (JFK).
What is the earliest flight from London (LHR-Heathrow) to Cancun, Quintana Roo (CUN-Cancun Intl.)?
The earliest flight from London Heathrow (LHR) to Cancun, Quintana Roo (CUN) typically departs at approximately 6:00 AM local time. This is a seasonal service active in March, April, July, and August. An early departure like this can help you maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from London (LHR-Heathrow) to Cancun, Quintana Roo (CUN-Cancun Intl.)?
You'll typically find the most flights from London Heathrow (LHR) to Cancun, Quintana Roo (CUN) on a Thursday, with around 63 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include United Airlines, British Airways, and Air Canada.
What are the most popular departure times for flights from London (LHR-Heathrow) to Cancun, Quintana Roo (CUN-Cancun Intl.)?
The most popular departure times for flights from London Heathrow (LHR) to Cancun, Quintana Roo (CUN) are in the early morning, from 6am to 9am. About 29% of passengers prefer this time. Many major carriers, including American Airlines, Air France and Delta Air Lines, offer flights during this window. This timing works well because it allows you to start your journey bright and early, giving you more time to enjoy your destination upon arrival.
How long does it take to fly from London (LHR-Heathrow) to Cancun, Quintana Roo (CUN-Cancun Intl.)?
Direct flights from LHR to CUN usually take about 11 hours, traveling roughly 4,941 miles. If you opt for a connecting flight, expect to add around 12 hours 50 minutes to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from London (LHR-Heathrow) to Cancun, Quintana Roo (CUN-Cancun Intl.)?
Select the "Business class" and "First class" filters when looking for LHR to CUN flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How much is a business class flight from London (LHR-Heathrow) to Cancun, Quintana Roo (CUN-Cancun Intl.)?
A direct, return business class ticket from London (LHR-Heathrow) to Cancun, Quintana Roo (CUN-Cancun Intl.) typically costs between £4,288 - £10,095. You may also be able to find a cheaper business class journey between London (LHR-Heathrow) to Cancun, Quintana Roo (CUN-Cancun Intl. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Anaa (AAA) (AAA) to Toronto, ON (YYZ-Pearson Intl.) (YYZ) if you opt for a connecting flight.
How do I earn miles on a London (LHR-Heathrow) to Cancun, Quintana Roo (CUN-Cancun Intl.) flight with Expedia?
It's easy to earn miles on a London (LHR-Heathrow) to Cancun, Quintana Roo (CUN-Cancun Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Cancun from Heathrow (LHR)?
If you're planning to travel to Cancun from Heathrow (LHR), you can fly directly into Cancun Intl. (CUN) Some flights may connect through major hubs like Schiphol (AMS), Liberty Intl. (EWR), Pearson Intl. (YYZ) before reaching Cancun. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from London (LHR-Heathrow) to Cancun, Quintana Roo (CUN-Cancun Intl.) at the last minute?
Typically, booking a last minute flight from London (LHR-Heathrow) to Cancun, Quintana Roo (CUN-Cancun Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a London (LHR-Heathrow) to Cancun, Quintana Roo (CUN-Cancun Intl.) flight and hotel package?
Securing a London (LHR-Heathrow) to Cancun, Quintana Roo (CUN-Cancun Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from London (LHR-Heathrow) to Cancun, Quintana Roo (CUN-Cancun Intl.)?
If you booked your London (LHR-Heathrow) to Cancun, Quintana Roo (CUN-Cancun Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Heathrow
Destination airport
Cancun Intl.
Airlines serving
Aer Lingus, Aeromexico, Air Canada, Air France, American Airlines, Delta, Finnair, Iberia, JetBlue Airways, KLM, Lufthansa, Swiss International Air Lines, United, Virgin Atlantic, avianca
Return price
£600
Distance
7905 km

Book with confidence

Compare flights from London to Cancun easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from London to Cancun. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Cancun Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Heathrow to Cancun Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Heathrow (LHR) to Cancun Intl. (CUN)

The easiest way to view the best deals on flights from London to Cancun today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Heathrow to Cancun Intl. start at just £600 and range up to £649.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near London and Cancun
  • booking your flight during November, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your London to Cancun flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Heathrow to Cancun Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from London to Cancun easily and book with confidence

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*Available to Expedia members.