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Cheap flights from Cancún to London Heathrow Airport from £264

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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — LHR
21 Dec — 28 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap 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 21 November 2025.

Round-trip from

£584

One-way from

£264

Popular in

May

Cheapest in

January

Average price

£716

Good one-way deal

£327 or less
16/1-23/1
  • 16/1-23/1
  • 2 total stops
  • 35h 15m total
  • Cancún to London
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5/12
  • 5/12
  • 1 total stop
  • 30h 05m total
  • Cancún to London
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Highest demand for flights based on searches. 9% potential increase in price (£66 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (£11 potential savings vs. average return price).
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Average for round-trip flights in November 2025
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Price to beat on a one-way flight from Cancun to London Heathrow.
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Find 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 21 November 2025.

Fri 19/1220:10CUN - LHR
1 stop17h 45mTAP AIR PORTUGAL
Tue 30/1208:15LHR - CUN
1 stop15h 25mTAP AIR PORTUGAL
Deal found 19/11£643
Mon 1/1221:20CUN - LHR
2 stops34h 20mMultiple Airlines
Fri 5/1219:55LHR - CUN
2 stops28h 25mMultiple Airlines
Deal found 19/11£653
Thu 27/1111:53CUN - LHR
2 stops26h 37mMultiple Airlines
Thu 4/1212:15LHR - CUN
3 stops28h 21mMultiple Airlines
Deal found 19/11£698
Tue 25/1120:10CUN - LHR
1 stop20h 25mTAP AIR PORTUGAL
Tue 9/1208:15LHR - CUN
1 stop15h 25mTAP AIR PORTUGAL
Deal found 19/11£733
Fri 5/1214:36CUN - LHR
3 stops35h 34mMultiple Airlines
Mon 8/1222:15LHR - CUN
3 stops28h 20mMultiple Airlines
Deal found 19/11£741
Sat 22/1111:55CUN - LHR
2 stops27h 40mMultiple Airlines
Tue 25/1118:00LHR - CUN
2 stops33h 40mMultiple Airlines
Deal found 19/11£757
Fri 5/1220:10CUN - LHR
1 stop16h 20mTAP AIR PORTUGAL
Thu 11/1208:15LHR - CUN
1 stop15h 25mTAP AIR PORTUGAL
Deal found 20/11£764

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 21 November 2025.
Use the filters below to find and compare flights from Cancún to London Heathrow Airport that are best for you.

Fly from

Cancún

Fly to

Heathrow

Route

Depart

Return

Price

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Fri 16/1

11:59-19:30

2 stops26h 31m

London Heathrow

Fri 23/1

12:15-12:16

3 stops29h 01m

£606

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Tue 13/1

19:15-12:50

1 stop36h 35m

London Heathrow

Thu 29/1

06:00-18:10

1 stop17h 10m

£624

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Tue 5/5

19:08-20:45

1 stop19h 37m

London Heathrow

Tue 26/5

08:15-18:00

1 stop15h 45m

£680

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Wed 21/1

15:15-15:05

1 stop18h 50m

London Heathrow

Wed 28/1

22:30-11:44

1 stop18h 14m

£692

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Wed 21/1

13:21-22:40

3 stops28h 19m

London Heathrow

Wed 28/1

20:05-18:10

1 stop27h 05m

£697

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Fri 23/1

20:10-17:30

1 stop16h 20m

London Heathrow

Mon 26/1

18:30-18:40

1 stop29h 10m

£699

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Tue 13/1

20:10-22:40

1 stop21h 30m

London Heathrow

Tue 27/1

06:00-18:40

1 stop17h 40m

£744

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Mon 1/12

21:20-16:35

1 stop14h 15m

£276

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Sat 6/12

21:20-14:55

1 stop36h 35m

£291

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Wed 3/12

14:40-12:50

2 stops41h 10m

£301

Flights are sorted by cheapest return flights first.

Deals found on 20/11

Showing 1-10 of 18 results
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 time of day to fly from CUN to LHR?

Find hourly flight availability from Cancún to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 November 2025.

It’s optimal to fly from Cancún to London Heathrow Airport in the evening. By choosing this option you can save up to 30% on the cost of your flight, compared to a flight in the afternoon.

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 JetBlue and Aeromexico fly from Cancún to London Heathrow Airport in about 18h 50m. The time it takes to get you to your destination can typically vary by up to 47m. 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 £358 for a flight from Cancún to London Heathrow Airport. The cheapest flight overall is £295 while the most popular route, (Cancun - London Heathrow) is currently priced at £609.

  • 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.

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
Milton Keynes
Croydon
Slough
Gatwick
Hounslow
Northampton
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Winchester
Swindon
Crawley
Brentford
Romford
Chichester
Ipswich

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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