฿16,810 Cheap Flights from London (LHR) to Cancun (CUN)

View ฿16,810 flight on Wed, 11 Mar 2026Opens in a new window

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

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 40% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

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

Prices were available within the past 7 days and start at ฿16,810 for one-way flights and ฿21,335 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Thu, 12 Mar - Mon, 23 Mar
LHR
London
CUN
Cancun
฿21,335 Return, found 3 days ago
฿21,335
Return
found 3 days ago
Select Air Canada flight, departing Thu, 12 Mar from London to Cancun, returning Mon, 23 Mar, priced at ฿21,335 found 3 days ago
Air Canada
Thu, 12 Mar - Mon, 23 Mar
LHR
London
CUN
Cancun
฿21,345 Return, found 3 days ago
฿21,345
Return
found 3 days ago
Select Air Canada flight, departing Thu, 12 Mar from London to Cancun, returning Mon, 23 Mar, priced at ฿21,345 found 3 days ago
American Airlines
Wed, 11 Mar - Sun, 22 Mar
LHR
London
CUN
Cancun
฿21,415 Return, found 3 days ago
฿21,415
Return
found 3 days ago
Select American Airlines flight, departing Wed, 11 Mar from London to Cancun, returning Sun, 22 Mar, priced at ฿21,415 found 3 days ago
Air Canada
Tue, 14 Apr - Sat, 18 Apr
LHR
London
CUN
Cancun
฿21,910 Return, found 4 days ago
฿21,910
Return
found 4 days ago
Select Air Canada flight, departing Tue, 14 Apr from London to Cancun, returning Sat, 18 Apr, priced at ฿21,910 found 4 days ago
KLM
Wed, 11 Mar - Sun, 22 Mar
LHR
London
CUN
Cancun
฿21,920 Return, found 3 days ago
฿21,920
Return
found 3 days ago
Select KLM flight, departing Wed, 11 Mar from London to Cancun, returning Sun, 22 Mar, priced at ฿21,920 found 3 days ago
American Airlines
Mon, 4 May - Thu, 21 May
LHR
London
CUN
Cancun
฿21,965 Return, found 3 hours ago
฿21,965
Return
found 3 hours ago
Select American Airlines flight, departing Mon, 4 May from London to Cancun, returning Thu, 21 May, priced at ฿21,965 found 3 hours ago
American Airlines
Thu, 30 Apr - Thu, 7 May
LHR
London
CUN
Cancun
฿21,995 Return, found 22 hours ago
฿21,995
Return
found 22 hours ago
Select American Airlines flight, departing Thu, 30 Apr from London to Cancun, returning Thu, 7 May, priced at ฿21,995 found 22 hours ago
Air France
Wed, 11 Mar - Sun, 22 Mar
LHR
London
CUN
Cancun
฿22,020 Return, found 3 days ago
฿22,020
Return
found 3 days ago
Select Air France flight, departing Wed, 11 Mar from London to Cancun, returning Sun, 22 Mar, priced at ฿22,020 found 3 days ago
Swiss International Air Lines
Tue, 14 Apr - Sat, 18 Apr
LHR
London
CUN
Cancun
฿22,083 Return, found 4 days ago
฿22,083
Return
found 4 days ago
Select Swiss International Air Lines flight, departing Tue, 14 Apr from London to Cancun, returning Sat, 18 Apr, priced at ฿22,083 found 4 days ago
Lufthansa
Tue, 1 Dec - Mon, 7 Dec
LHR
London
CUN
Cancun
฿22,124 Return, found 4 days ago
฿22,124
Return
found 4 days ago
Select Lufthansa flight, departing Tue, 1 Dec from London to Cancun, returning Mon, 7 Dec, priced at ฿22,124 found 4 days ago

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

February is typically the cheapest month to fly

From ฿18,967 - ฿33,581 per traveller.

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 ฿21,808
CUN
Cancun Intl.
CheapestClosest
Average driving time to city centre18 min
Flights from ฿21,808
Flight from London to Cancun route information
Origin airport
Heathrow
Destination airport
Cancun Intl.
Airlines serving
Aeromexico, Air Canada, American Airlines, Delta, Finnair, KLM, Lufthansa, Swiss International Air Lines, United, WestJet, avianca
Return price
฿21,335
Distance
7905 km
Average flight time
10 hours 55 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 ฿16,810 and roundtrip prices from ฿21,335. 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 ฿21,335. 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.
*Available to Expedia members.