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Cheap flights from Cancún to London Heathrow Airport from £258

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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — LHR
30 Nov — 7 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 31 October 2025.

Round-trip from

£607

One-way from

£258

Popular in

August

Cheapest in

March

Average price

£815

Good one-way deal

£303 or less
JetBlue
  • JetBlue
  • 24/11-7/12
  • 2 total stops
  • 55h 29m total
  • Cancún to London
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4/12
  • 4/12
  • 1 total stop
  • 13h 28m total
  • Cancún to London
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Highest demand for flights based on searches. 7% potential increase in price (£48 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).
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Average for round-trip flights in October 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 31 October 2025.

Mon 24/1120:10CUN - LHR
1 stop20h 30mJetBlue
Sun 7/1207:45LHR - CUN
1 stop34h 59mJetBlue
Deal found 29/10£607
Wed 3/1211:53CUN - LHR
2 stops26h 37mMultiple Airlines
Fri 12/1212:15LHR - CUN
3 stops28h 21mMultiple Airlines
Deal found 31/10£619
Tue 18/1113:35CUN - LHR
1 stop14h 55mJetBlue
Sun 23/1107:45LHR - CUN
1 stop16h 13mJetBlue
Deal found 29/10£640
Tue 11/1120:10CUN - LHR
1 stop20h 25mTAP AIR PORTUGAL
Mon 24/1118:30LHR - CUN
1 stop29h 10mTAP AIR PORTUGAL
Deal found 31/10£641
Tue 4/1120:10CUN - LHR
1 stop16h 20mTAP AIR PORTUGAL
Thu 13/1116:30LHR - CUN
1 stop31h 10mTAP AIR PORTUGAL
Deal found 30/10£641
Fri 26/1220:45CUN - LHR
1 stop35h 05mMultiple Airlines
Thu 8/106:00LHR - CUN
1 stop17h 10mMultiple Airlines
Deal found 29/10£651
Tue 18/1115:05CUN - LHR
1 stop13h 25mJetBlue
Wed 26/1107:25LHR - CUN
1 stop15h 30mJetBlue
Deal found 29/10£663
Mon 24/1114:44CUN - LHR
3 stops35h 26mMultiple Airlines
Sun 7/1213:25LHR - CUN
3 stops28h 48mMultiple Airlines
Deal found 29/10£675

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 31 October 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

Tue 10/3

14:50-09:30

1 stop13h 40m

London Heathrow

Wed 25/3

07:25-18:05

1 stop15h 40m

£618

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Wed 3/12

11:53-19:30

2 stops26h 37m

London Heathrow

Fri 12/12

12:15-11:36

3 stops28h 21m

£619

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Tue 11/11

20:10-21:35

1 stop20h 25m

London Heathrow

Mon 24/11

18:30-18:40

1 stop29h 10m

£641

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Tue 18/11

13:35-09:30

1 stop14h 55m

London Heathrow

Tue 25/11

07:25-18:58

1 stop16h 33m

£677

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Tue 18/11

15:05-09:30

1 stop13h 25m

London Heathrow

Wed 26/11

07:25-19:12

1 stop16h 47m

£677

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Tue 10/3

14:50-09:30

1 stop13h 40m

London Heathrow

Sat 21/3

07:25-18:05

1 stop15h 40m

£683

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Sun 8/2

22:30-12:50

Nonstop9h 20m

London Heathrow

Tue 10/2

06:30-15:05

1 stop13h 35m

£684

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Sun 8/2

11:15-15:05

1 stop22h 50m

London Heathrow

Tue 10/2

22:30-20:00

1 stop26h 30m

£685

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Tue 11/11

08:00-11:20

2 stops22h 20m

London Heathrow

Mon 24/11

09:00-22:40

2 stops18h 40m

£690

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Wed 3/12

14:44-06:25

3 stops34h 41m

£264

Flights are sorted by cheapest return flights first.

Deals found on 28/10

Showing 1-10 of 20 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 month to book a flight from Cancún to London Heathrow Airport?

Currently, March is the cheapest month in which you can book a flight from Cancún to London Heathrow Airport (average of £474). Flying from Cancún to London Heathrow Airport in August is currently the most expensive (average of £1,017). 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.

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 31 October 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.

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 JetBlue and TAP AIR PORTUGAL fly from Cancún to London Heathrow Airport in about 13h 40m. The time it takes to get you to your destination can typically vary by up to 6h 45m. 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 £308 for a flight from Cancún to London Heathrow Airport. The cheapest flight overall is £284 while the most popular route, (Cancun - London Heathrow) is currently priced at £672.

  • 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, March is the cheapest month in which you can book a flight from Cancún to London Heathrow Airport (average of £474). Flying from Cancún to London Heathrow Airport in August is currently the most expensive (average of £1,017). 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
Milton Keynes
Croydon
Slough
Gatwick
Hounslow
Northampton
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Winchester
Chichester
Swindon
Crawley
Romford
Brentford
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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