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Cheap flights from Cancún to London Heathrow Airport from £260

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 17/11. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — LHR
7 Dec — 14 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 7 November 2025.

Round-trip from

£629

One-way from

£260

Popular in

August

Cheapest in

January

Average price

£771

Good one-way deal

£327 or less
JetBlue
  • JetBlue
  • 26/11-5/12
  • 2 total stops
  • 63h 10m total
  • Cancún to London
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WestJet
  • WestJet
  • 17/11
  • 2 total stops
  • 36h 10m total
  • Cancún to London
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Highest demand for flights based on searches. 7% potential increase in price (£50 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£15 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 7 November 2025.

Tue 25/1111:53CUN - LHR
2 stops17h 57mMultiple Airlines
Thu 4/1212:15LHR - CUN
3 stops28h 21mMultiple Airlines
Deal found 7/11£615
Wed 26/1112:25CUN - LHR
1 stop28h 15mJetBlue
Fri 5/1209:20LHR - CUN
1 stop34h 55mJetBlue
Deal found 5/11£629
Tue 11/1120:10CUN - LHR
1 stop21h 30mTAP AIR PORTUGAL
Mon 24/1118:30LHR - CUN
1 stop29h 10mTAP AIR PORTUGAL
Deal found 5/11£643
Sat 15/1112:50CUN - LHR
2 stops17h 00mMultiple Airlines
Sun 23/1112:15LHR - CUN
3 stops30h 20mMultiple Airlines
Deal found 5/11£667
Thu 13/1120:10CUN - LHR
1 stop21h 30mTAP AIR PORTUGAL
Thu 27/1106:00LHR - CUN
1 stop17h 40mTAP AIR PORTUGAL
Deal found 5/11£670
Sat 15/1116:45CUN - LHR
1 stop33h 10mJetBlue
Sun 23/1107:45LHR - CUN
1 stop16h 13mJetBlue
Deal found 5/11£677
Mon 17/1112:15CUN - LHR
1 stop13h 55mMultiple Airlines
Fri 28/1106:00LHR - CUN
2 stops21h 40mMultiple Airlines
Deal found 5/11£681
Mon 15/1212:15CUN - LHR
2 stops27h 20mMultiple Airlines
Tue 20/113:45LHR - CUN
2 stops37h 55mMultiple Airlines
Deal found 7/11£682
Tue 18/1112:15CUN - LHR
1 stop13h 55mAir Canada
Tue 25/1109:00LHR - CUN
2 stops18h 40mAir Canada
Deal found 5/11£684

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 7 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

Tue 18/11

20:10-22:40

1 stop21h 30m

London Heathrow

Tue 25/11

08:15-18:40

1 stop15h 25m

£643

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Wed 15/4

11:20-09:30

1 stop16h 10m

London Heathrow

Fri 1/5

08:15-18:00

1 stop15h 45m

£643

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Thu 15/1

20:10-18:55

1 stop17h 45m

London Heathrow

Fri 30/1

06:00-18:40

1 stop17h 40m

£675

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Sun 11/1

20:45-12:50

1 stop35h 05m

London Heathrow

Tue 20/1

09:50-19:20

1 stop14h 30m

£680

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Sun 8/2

12:27-15:05

1 stop21h 38m

London Heathrow

Tue 10/2

22:30-12:34

1 stop19h 04m

£690

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Sun 29/3

19:10-20:45

1 stop19h 35m

London Heathrow

Tue 5/5

08:15-18:00

1 stop15h 45m

£697

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Thu 15/1

20:10-17:30

1 stop16h 20m

London Heathrow

Wed 21/1

13:40-18:40

1 stop34h 00m

£703

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Mon 15/12

12:15-07:10

1 stop13h 55m

London Heathrow

Tue 6/1

13:25-10:50

2 stops26h 25m

£704

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Thu 25/12

08:00-11:50

1 stop22h 50m

London Heathrow

Sat 10/1

11:10-12:55

1 stop30h 45m

£704

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Thu 25/12

08:00-11:50

1 stop22h 50m

London Heathrow

Tue 6/1

13:25-21:15

2 stops36h 50m

£705

Flights are sorted by cheapest return flights first.

Deals found on 6/11

Showing 1-10 of 22 results
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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, March is the cheapest month in which you can book a flight from Cancún to London Heathrow Airport (average of £477). Flying from Cancún to London Heathrow Airport in August is currently the most expensive (average of £1,023). 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 7 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 TAP AIR PORTUGAL, JetBlue, and Aeromexico fly from Cancún to London Heathrow Airport in about 16h 10m. The time it takes to get you to your destination can typically vary by up to 5h 28m. 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 £357 for a flight from Cancún to London Heathrow Airport. The cheapest flight overall is £294 while the most popular route, (Cancun - London Heathrow) is currently priced at £643.

  • 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 £477). Flying from Cancún to London Heathrow Airport in August is currently the most expensive (average of £1,023). 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
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

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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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