฿17,245 Cheap Flights from London (LHR) to Cancun (CUN)

View ฿17,245 flight on Wed, 21 Jan 2026Opens in a new window

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 ฿17,245 for one-way flights and ฿21,085 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Wed, 19 Nov - Wed, 3 Dec
LHR
London
CUN
Cancun
฿21,085 Return, found 1 day ago
฿21,085
Return
found 1 day ago
Select Air Canada flight, departing Wed, 19 Nov from London to Cancun, returning Wed, 3 Dec, priced at ฿21,085 found 1 day ago
Air Canada
Wed, 19 Nov - Wed, 3 Dec
LHR
London
CUN
Cancun
฿21,300 Return, found 1 day ago
฿21,300
Return
found 1 day ago
Select Air Canada flight, departing Wed, 19 Nov from London to Cancun, returning Wed, 3 Dec, priced at ฿21,300 found 1 day ago
Air Canada
Wed, 19 Nov - Wed, 3 Dec
LHR
London
CUN
Cancun
฿22,030 Return, found 1 day ago
฿22,030
Return
found 1 day ago
Select Air Canada flight, departing Wed, 19 Nov from London to Cancun, returning Wed, 3 Dec, priced at ฿22,030 found 1 day ago
Swiss International Air Lines
Thu, 19 Mar - Sat, 28 Mar
LHR
London
CUN
Cancun
฿22,295 Return, found 3 days ago
฿22,295
Return
found 3 days ago
Select Swiss International Air Lines flight, departing Thu, 19 Mar from London to Cancun, returning Sat, 28 Mar, priced at ฿22,295 found 3 days ago
Air Canada
Wed, 19 Nov - Wed, 3 Dec
LHR
London
CUN
Cancun
฿22,315 Return, found 1 day ago
฿22,315
Return
found 1 day ago
Select Air Canada flight, departing Wed, 19 Nov from London to Cancun, returning Wed, 3 Dec, priced at ฿22,315 found 1 day ago
Air Canada
Wed, 19 Nov - Wed, 3 Dec
LHR
London
CUN
Cancun
฿22,335 Return, found 1 day ago
฿22,335
Return
found 1 day ago
Select Air Canada flight, departing Wed, 19 Nov from London to Cancun, returning Wed, 3 Dec, priced at ฿22,335 found 1 day ago
Lufthansa
Wed, 19 Nov - Wed, 3 Dec
LHR
London
CUN
Cancun
฿22,365 Return, found 1 day ago
฿22,365
Return
found 1 day ago
Select Lufthansa flight, departing Wed, 19 Nov from London to Cancun, returning Wed, 3 Dec, priced at ฿22,365 found 1 day ago
Swiss International Air Lines
Thu, 19 Mar - Thu, 16 Apr
LHR
London
CUN
Cancun
฿22,435 Return, just found
฿22,435
Return
just found
Select Swiss International Air Lines flight, departing Thu, 19 Mar from London to Cancun, returning Thu, 16 Apr, priced at ฿22,435 just found
United
Sun, 26 Oct - Sat, 8 Nov
LHR
London
CUN
Cancun
฿24,340 Return, found 2 days ago
฿24,340
Return
found 2 days ago
Select United flight, departing Sun, 26 Oct from London to Cancun, returning Sat, 8 Nov, priced at ฿24,340 found 2 days ago
Delta
Wed, 19 Nov - Wed, 3 Dec
LHR
London
CUN
Cancun
฿28,390 Return, found 1 day ago
฿28,390
Return
found 1 day ago
Select Delta flight, departing Wed, 19 Nov from London to Cancun, returning Wed, 3 Dec, priced at ฿28,390 found 1 day ago

Find the cheapest month to fly from London (LHR) to Cancun (CUN)

January is typically the cheapest month to fly

From ฿19,108 - ฿40,944 per traveller.
Flight from London to Cancun route information
Origin airport
Heathrow
Destination airport
Cancun Intl.
Airlines serving
Air Canada, Air France, American Airlines, Delta, Lufthansa, United
Return price
฿21,085
Distance
7905 km
Average flight time
9 hours 30 mins

Perfect flights from London to Cancun

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from London to Cancun. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Heathrow to Cancun Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿17,245 and roundtrip prices from ฿21,085. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Cancun Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Cancun.

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 ฿21,085. 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.

Explore a world of travel with Expedia

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