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Cheap flights from Cancún to London Heathrow Airport from £242

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 25/11. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — LHR
17 Aug — 24 Aug1
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 18 July 2026.

Sun 20/1215:41
CUN
-
LHR
2 stops16h 44m
Multiple Airlines
Sun 17/113:25
LHR
-
CUN
2 stops26h 28m
Multiple Airlines
Deal found 15/7£551
Mon 28/915:15
CUN
-
LHR
2 stops15h 25m
Multiple Airlines
Sun 4/1016:50
LHR
-
CUN
2 stops26h 15m
Multiple Airlines
Deal found 16/7£635
Tue 22/913:10
CUN
-
LHR
2 stops36h 55m
Multiple Airlines
Tue 29/916:50
LHR
-
CUN
2 stops26h 15m
Multiple Airlines
Deal found 14/7£670
Sat 8/815:34
CUN
-
LHR
1 stop18h 26m
Aeromexico
Sat 15/822:30
LHR
-
CUN
1 stop17h 15m
Aeromexico
Deal found 14/7£671
Tue 8/919:50
CUN
-
LHR
2 stops18h 30m
Multiple Airlines
Mon 21/922:05
LHR
-
CUN
1 stop19h 30m
Multiple Airlines
Deal found 14/7£679
Thu 6/819:40
CUN
-
LHR
1 stop15h 35m
Multiple Airlines
Tue 1/917:10
LHR
-
CUN
2 stops22h 30m
Multiple Airlines
Deal found 13/7£685
Thu 6/819:40
CUN
-
LHR
1 stop17h 30m
Multiple Airlines
Thu 27/822:05
LHR
-
CUN
1 stop19h 30m
Multiple Airlines
Deal found 16/7£705
Thu 6/819:40
CUN
-
LHR
1 stop17h 30m
Multiple Airlines
Thu 20/822:05
LHR
-
CUN
1 stop19h 30m
Multiple Airlines
Deal found 16/7£705
Sun 6/905:25
CUN
-
LHR
3 stops32h 55m
Multiple Airlines
Fri 18/906:00
LHR
-
CUN
2 stops18h 45m
Multiple Airlines
Deal found 15/7£719

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 18 July 2026.

Round-trip from

£551

One-way from

£242

Popular in

April

Cheapest in

January

Average price

£925

Good one-way deal

£318 or less
20/12-17/1
  • 20/12-17/1
  • 4 total stops
  • 43h 12m total
  • Cancún to London
Search Deals
25/11
  • 25/11
  • 2 total stops
  • 15h 50m total
  • Cancún to London
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£103 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£30 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a one-way flight from Cancun to London Heathrow.
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 18 July 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

Tue 22/9

14:05-15:10

1 stop19h 05m

London Heathrow

Tue 29/9

18:00-12:20

2 stops24h 20m

£810

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Tue 4/8

19:33-16:00

1 stop14h 27m

London Heathrow

Tue 2/2

22:30-12:34

1 stop19h 04m

£821

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Thu 17/9

14:05-16:40

1 stop20h 35m

London Heathrow

Wed 30/9

22:40-12:20

2 stops43h 40m

£850

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Tue 13/10

12:00-12:50

1 stop18h 50m

London Heathrow

Tue 20/10

12:55-10:54

1 stop27h 59m

£859

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Thu 24/9

12:09-09:05

1 stop14h 56m

London Heathrow

Thu 29/10

14:45-10:54

1 stop25h 09m

£915

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Tue 4/8

13:20-10:00

1 stop14h 40m

London Heathrow

Tue 2/2

06:00-22:45

2 stops21h 45m

£934

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Sat 3/10

12:09-09:05

1 stop14h 56m

London Heathrow

Thu 29/10

14:45-09:57

1 stop24h 12m

£945
Fastest return journey

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Mon 7/9

23:00-18:40

1 stop13h 40m

London Heathrow

Mon 21/9

07:30-16:25

1 stop14h 55m

£1,000
Cheapest one-way

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Wed 2/12

15:15-11:25

2 stops15h 10m

£249

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Fri 16/10

19:40-19:10

1 stop17h 30m

£321

Flights are sorted by cheapest return flights first.

Deals found on 12/7

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 £684). Flying from Cancún to London Heathrow Airport in April is currently the most expensive (average of £1,302). 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 Turkish Airlines and Aeromexico fly from Cancún to London Heathrow Airport in about 14h 27m. The time it takes to get you to your destination can typically vary by up to 4h 38m. 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.

  • What are the cheapest flights from Cancún to London Heathrow Airport?

    On average you can expect to pay £318 for a flight from Cancún to London Heathrow Airport. The cheapest flight overall is £318 while the most popular route, (Cancun - London Heathrow) is currently priced at £551.

  • 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 £684). Flying from Cancún to London Heathrow Airport in April is currently the most expensive (average of £1,302). 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
Luton
Gatwick
Wembley
Slough
Ilford
Croydon
Hayes
Brentford
Colchester
Northampton
Watford
Eastbourne
Swindon
Southend-on-Sea
Poole
Kingston upon Thames
Southall
Aylesbury

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

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 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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