Cheap flights from Cancún to London Heathrow Airport from £271

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 21/1. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — LHR
27 Dec — 3 Jan1
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 27 November 2025.

Round-trip from

£578

One-way from

£271

Popular in

May

Cheapest in

January

Average price

£709

Good one-way deal

£305 or less
24/1-31/1
  • 24/1-31/1
  • 4 total stops
  • 54h 15m total
  • Cancún to London
21/1
  • 21/1
  • 3 total stops
  • 35h 20m total
  • Cancún to London
Highest demand for flights based on searches. 9% potential increase in price (£64 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£11 potential savings vs. average return price).
Average for round-trip flights in November 2025
Price to beat on a one-way flight from Cancun to London Heathrow.

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 27 November 2025.

Mon 1/1222:10CUN - LHR
3 stops28h 00mMultiple Airlines
Sat 6/1213:25LHR - CUN
3 stops28h 48mMultiple Airlines
Deal found 25/11£702
Mon 1/1220:40CUN - LHR
2 stops35h 10mMultiple Airlines
Fri 5/1214:50LHR - CUN
3 stops35h 25mMultiple Airlines
Deal found 25/11£716
Tue 25/1120:10CUN - LHR
1 stop20h 25mTAP AIR PORTUGAL
Tue 9/1208:15LHR - CUN
1 stop15h 25mTAP AIR PORTUGAL
Deal found 25/11£728
Sat 29/1117:05CUN - LHR
2 stops38h 45mWestJet
Sat 6/1214:50LHR - CUN
2 stops28h 12mWestJet
Deal found 25/11£731
Sat 27/1220:10CUN - LHR
1 stop14h 20mTAP AIR PORTUGAL
Wed 7/118:30LHR - CUN
1 stop29h 10mTAP AIR PORTUGAL
Deal found 26/11£737
Sat 27/1220:10CUN - LHR
1 stop35h 30mTAP AIR PORTUGAL
Tue 13/108:15LHR - CUN
1 stop15h 25mTAP AIR PORTUGAL
Deal found 26/11£742
Mon 1/1220:45CUN - LHR
1 stop35h 05mWestJet
Sat 6/1214:50LHR - CUN
2 stops30h 14mWestJet
Deal found 25/11£749
Wed 24/1212:15CUN - LHR
1 stop13h 55mMultiple Airlines
Wed 31/1206:35LHR - CUN
2 stops19h 40mMultiple Airlines
Deal found 26/11£761

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 27 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

Thu 26/2

15:10-09:30

1 stop13h 20m

London Heathrow

Wed 1/4

08:15-18:05

1 stop15h 50m

£637

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Tue 13/1

20:10-22:40

1 stop21h 30m

London Heathrow

Fri 30/1

06:00-18:40

1 stop17h 40m

£641

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Thu 29/1

20:10-18:55

1 stop17h 45m

London Heathrow

Fri 6/2

06:00-18:40

1 stop17h 40m

£641

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Wed 18/3

13:55-09:30

1 stop14h 35m

London Heathrow

Wed 15/4

08:15-18:05

1 stop15h 50m

£649

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Sun 1/3

08:00-09:00

1 stop20h 00m

London Heathrow

Wed 25/3

10:45-19:59

1 stop14h 14m

£664

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Tue 3/3

12:28-07:30

1 stop14h 02m

London Heathrow

Tue 31/3

10:00-19:20

1 stop15h 20m

£664

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Thu 26/2

12:15-06:25

1 stop13h 10m

London Heathrow

Mon 30/3

17:35-11:30

2 stops23h 55m

£664

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Wed 25/2

08:39-08:25

2 stops18h 46m

London Heathrow

Mon 30/3

16:15-06:48

1 stop20h 33m

£664

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Sun 1/3

13:40-11:40

1 stop17h 00m

London Heathrow

Tue 31/3

09:40-19:59

2 stops16h 19m

£664

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Thu 8/1

18:20-09:05

3 stops33h 45m

London Heathrow

Thu 15/1

09:50-09:13

3 stops28h 23m

£684

Flights are sorted by cheapest return flights first.

Deals found on 26/11

Showing 1-10 of 23 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 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 27 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.

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, TAP AIR PORTUGAL, and Delta fly from Cancún to London Heathrow Airport in about 13h 20m. The time it takes to get you to your destination can typically vary by up to 8h 10m. 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 £355 for a flight from Cancún to London Heathrow Airport. The cheapest flight overall is £291 while the most popular route, (Cancun - London Heathrow) is currently priced at £517.

  • 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
Slough
Croydon
Hounslow
Northampton
Gatwick
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Brentford
Winchester
Swindon
Crawley
Romford
Chichester
Bedford

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Alternative routes for Cancún to Heathrow

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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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