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Cheap flights from Cancún to London Heathrow Airport from £261

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 23/11. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — LHR
3 Jul — 10 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Cancún to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Cancún to Heathrow
Explore the most affordable flight options available from Cancún to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 June 2026.

Sun 20/915:15
CUN
-
LHR
2 stops15h 25m
Multiple Airlines
Sun 27/916:50
LHR
-
CUN
2 stops26h 15m
Multiple Airlines
Deal found 1/6£515
Tue 8/915:00
CUN
-
LHR
2 stops35h 05m
Multiple Airlines
Tue 22/916:50
LHR
-
CUN
2 stops26h 15m
Multiple Airlines
Deal found 30/5£525
Wed 2/911:20
CUN
-
LHR
2 stops15h 45m
Multiple Airlines
Tue 15/916:50
LHR
-
CUN
2 stops26h 15m
Multiple Airlines
Deal found 31/5£529
Thu 3/914:25
CUN
-
LHR
2 stops18h 35m
Multiple Airlines
Thu 24/916:50
LHR
-
CUN
2 stops26h 15m
Multiple Airlines
Deal found 31/5£530
Wed 16/915:15
CUN
-
LHR
2 stops15h 25m
Multiple Airlines
Sat 26/916:50
LHR
-
CUN
2 stops26h 15m
Multiple Airlines
Deal found 2/6£547
Thu 10/915:15
CUN
-
LHR
2 stops15h 25m
Multiple Airlines
Thu 24/916:50
LHR
-
CUN
2 stops27h 55m
Multiple Airlines
Deal found 31/5£551
Sun 16/811:35
CUN
-
LHR
2 stops19h 05m
Multiple Airlines
Sat 29/816:50
LHR
-
CUN
2 stops23h 44m
Multiple Airlines
Deal found 29/5£582
Mon 17/815:00
CUN
-
LHR
2 stops35h 05m
Multiple Airlines
Fri 4/916:50
LHR
-
CUN
2 stops23h 44m
Multiple Airlines
Deal found 31/5£587
Tue 21/714:01
CUN
-
LHR
2 stops16h 39m
Multiple Airlines
Tue 28/713:25
LHR
-
CUN
2 stops30h 00m
Multiple Airlines
Deal found 31/5£598
Tue 9/616:05
CUN
-
LHR
2 stops34h 00m
Multiple Airlines
Tue 16/614:20
LHR
-
CUN
2 stops27h 30m
Multiple Airlines
Deal found 31/5£627
Mon 29/611:20
CUN
-
LHR
2 stops19h 20m
Multiple Airlines
Thu 13/816:50
LHR
-
CUN
2 stops25h 00m
Multiple Airlines
Deal found 29/5£628

Find flight deals from Cancún to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Cancún (CUN) to Heathrow (LHR). 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 3 June 2026.

Round-trip from

£515

One-way from

£261

Popular in

April

Cheapest in

January

Average price

£886
20/9-27/9
  • 20/9-27/9
  • 4 total stops
  • 41h 40m total
  • Cancún to London
Search Deals
Aer Lingus
  • Aer Lingus
  • 23/11
  • 2 total stops
  • 35h 45m total
  • Cancún to London
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£63 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Cancún to Heathrow 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 3 June 2026.
Use the filters below to find and compare flights from Cancún to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Wed 26/8

14:06-13:05

1 stop16h 59m

London Heathrow

Wed 2/9

09:55-23:31

2 stops19h 36m

£828

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Sat 13/6

20:15-21:25

1 stop19h 10m

London Heathrow

Sat 20/6

06:15-17:40

1 stop17h 25m

£835

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Wed 26/8

08:05-10:20

2 stops20h 15m

London Heathrow

Wed 2/9

06:30-20:05

2 stops19h 35m

£846

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Sun 16/8

15:22-11:20

1 stop13h 58m

London Heathrow

Thu 3/9

20:05-11:45

1 stop21h 40m

£851

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Thu 20/8

08:05-11:20

1 stop21h 15m

London Heathrow

Fri 4/9

11:15-20:05

1 stop14h 50m

£851

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Fri 16/10

14:00-11:20

2 stops15h 20m

London Heathrow

Sat 31/10

08:55-20:15

2 stops16h 20m

£853

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Wed 5/8

13:30-12:05

2 stops16h 35m

London Heathrow

Mon 31/8

06:30-20:05

2 stops19h 35m

£867

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Sun 14/6

13:30-12:15

2 stops16h 45m

London Heathrow

Sun 28/6

09:20-20:25

1 stop17h 05m

£870
Fastest return journey

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Tue 8/9

12:45-10:20

1 stop15h 35m

London Heathrow

Tue 22/9

11:15-20:15

1 stop15h 00m

£870

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Fri 10/7

14:10-13:05

1 stop16h 55m

London Heathrow

Fri 31/7

15:15-08:55

1 stop23h 40m

£870

Flights are sorted by cheapest return flights first.

Deals found on 29/5

Showing 1-10 of 21 resultsSorted by cheapest first
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Best time to book a flight from Cancún to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Cancún 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 Cancún to London Heathrow Airport

What is the cheapest month to book a flight from Cancún to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from Cancún to London Heathrow Airport (average of £683). Flying from Cancún to London Heathrow Airport in April is currently the most expensive (average of £1,037). 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.

How much does it cost for a return flight from Cancún to London Heathrow Airport?

Related info for your journey

Find useful and relevant information for your journey from Cancún to Heathrow. 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 from for flights from Cancún to London Heathrow?

    Located just 8.9 mi from the city center, Cancun is the airport most travelers will use when flying to London Heathrow from Cancún. Booking flights from Cancun (CUN) to London Heathrow should be relatively easy as there are 0 daily outbound flights to London Heathrow from 0 different airlines.

  • How long is the flight from Cancún to London Heathrow Airport?

    Airlines like KLM, Virgin Atlantic, and Delta fly from Cancún to London Heathrow Airport in about 16h 59m. The time it takes to get you to your destination can typically vary by up to 3h 16m. The distance between Cancún and London Heathrow Airport is about 4938 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from Cancún to Heathrow that include hotel bookings?

    Yes. In addition to deals on Cancún to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Cancún to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cancún to Heathrow.

  • Can I find deals for business class flights from Cancún to Heathrow?

    Yes. Cheapflights offers flight deals from Cancún to Heathrow 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 Cancún to London Heathrow Airport?

    Currently, January is the cheapest month in which you can book a flight from Cancún to London Heathrow Airport (average of £683). Flying from Cancún to London Heathrow Airport in April is currently the most expensive (average of £1,037). 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.

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Milton Keynes
Northampton
Wembley
Luton
Gatwick
Croydon
Ilford
Slough
Hayes
Brentford
Colchester
Kingston upon Thames
Eastbourne
Ipswich
Watford
Swindon
Romford
Guildford
Borehamwood

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Cancún to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
Cancún to Gatwick flights
Cancún to Luton flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Cancún to Heathrow?

When you search for this flight from Cancún to Heathrow, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Cancún to Heathrow?

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 Heathrow from Cancún.

Can Cheapflights find flights from Cancún to Heathrow with no change fees?

Certainly. Search results for flights to Heathrow from Cancún 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 Cancún to Heathrow become cheaper?

Not ready to book yet? You can track prices for flights from Cancún to Heathrow on Cheapflights with our Price Alert feature and get notified when better prices are available.

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