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Cheap flights from Cancún to London Heathrow Airport from £279

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 30/10. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — LHR
13 Sep — 20 Sep1
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 14 August 2026.

Fri 20/1120:00 -
1 stop34h 50m
Fri 11/1207:30 -
1 stop15h 15m
Deal found 9/8£637
Wed 28/1021:31 -
1 stop36h 34m
Sat 31/1022:30 -
1 stop29h 01m
Deal found 14/8£663
Fri 11/916:05 -
2 stops16h 55m
Fri 25/916:50 -
2 stops26h 14m
Deal found 9/8£667
Sun 18/1014:30 -
1 stop19h 30m
Sun 8/1122:30 -
1 stop26h 11m
Deal found 9/8£672
Tue 3/1121:31 -
1 stop36h 34m
Thu 5/1122:30 -
1 stop16h 15m
Deal found 13/8£680
Wed 11/1113:37 -
1 stop20h 28m
Sun 13/1222:30 -
1 stop22h 12m
Deal found 11/8£682
Tue 13/1007:01 -
1 stop26h 59m
Tue 20/1022:30 -
1 stop17h 21m
Deal found 11/8£684

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 14 August 2026.

Round-trip from

£576

One-way from

£279

Popular in

April

Cheapest in

January

Average price

£774

Good one-way deal

£317 or less
2/12-16/12
  • 2/12-16/12
  • 4 total stops
  • 43h 31m total
  • Cancún to London
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30/10
  • 30/10
  • 2 total stops
  • 36h 10m total
  • Cancún to London
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£106 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 August 2026
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Price to beat on a one-way flight from Cancun to London Heathrow.
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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 14 August 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 Cancun - LHR London Heathrow

CUNLHR

Cancun

Thu 12/11

13:18-10:25

2 stops16h 07m

London Heathrow

Sat 21/11

13:50-21:15

1 stop36h 25m

£819
Fastest return journey

CancúnLondon

CUN Cancun - LHR London Heathrow

CUNLHR

Cancun

Tue 8/12

13:06-12:00

1 stop17h 54m

London Heathrow

Sun 13/12

10:15-20:41

1 stop15h 26m

£819

CancúnLondon

CUN Cancun - LHR London Heathrow

CUNLHR

Cancun

Sun 29/11

12:00-12:15

1 stop19h 15m

London Heathrow

Sat 12/12

14:45-20:41

1 stop34h 56m

£845

CancúnLondon

CUN Cancun - LHR London Heathrow

CUNLHR

Cancun

Thu 12/11

17:32-15:20

2 stops16h 48m

London Heathrow

Sat 21/11

18:45-21:15

2 stops31h 30m

£863

CancúnLondon

CUN Cancun - LHR London Heathrow

CUNLHR

Cancun

Thu 1/10

12:09-12:50

1 stop18h 41m

London Heathrow

Tue 6/10

08:55-20:00

1 stop17h 05m

£870

CancúnLondon

CUN Cancun - LHR London Heathrow

CUNLHR

Cancun

Wed 21/10

12:00-09:05

1 stop15h 05m

London Heathrow

Thu 5/11

14:45-21:17

1 stop35h 32m

£872

CancúnLondon

CUN Cancun - LHR London Heathrow

CUNLHR

Cancun

Tue 13/10

08:00-07:10

2 stops17h 10m

London Heathrow

Tue 20/10

06:30-19:55

2 stops19h 25m

£887

CancúnLondon

CUN Cancun - LHR London Heathrow

CUNLHR

Cancun

Sat 3/10

11:00-10:40

2 stops17h 40m

London Heathrow

Thu 29/10

16:35-13:15

2 stops25h 40m

£892

CancúnLondon

CUN Cancun - LHR London Heathrow

CUNLHR

Cancun

Sat 17/10

12:35-12:00

2 stops17h 25m

London Heathrow

Wed 21/10

06:15-20:00

2 stops19h 45m

£907

CancúnLondon

CUN Cancun - LHR London Heathrow

CUNLHR

Cancun

Sun 27/9

12:34-10:35

2 stops16h 01m

London Heathrow

Sun 4/10

19:20-20:01

2 stops30h 41m

£911

Flights are sorted by cheapest return flights first.

Deals found on 10/8

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 £680). Flying from Cancún to London Heathrow Airport in April is currently the most expensive (average of £1,295). 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?

Airfare is below average for this route at the moment.

Cancún to London Heathrow Airport flights typically cost between £725 and £945 in December.
The cheapest return price found within the last 5 days was £576 on Multiple Airlines (2 Dec–16 Dec).

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 Finnair and British Airways fly from Cancún to London Heathrow Airport in about 16h 07m. The time it takes to get you to your destination can typically vary by up to 41m. 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 airlines to fly from Cancún to London Heathrow Airport one-way?

    For one-way options, check prices for Virgin Atlantic. According to our data, you can fly for as low as £234. Users have also found prices from £310 and £642 on British Airways and Turkish Airlines, respectively.

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

    On average you can expect to pay £317 for a flight from Cancún to London Heathrow Airport. The cheapest flight overall is £317 while the most popular route, (Cancun - London Heathrow) is currently priced at £688.

  • 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 £680). Flying from Cancún to London Heathrow Airport in April is currently the most expensive (average of £1,295). 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
Ilford
Slough
Hayes
Croydon
Colchester
Brentford
Eastbourne
Northampton
Watford
Southend-on-Sea
Swindon
Enfield
Kingston upon Thames
Southall
Poole

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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