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Cheap flights from Cancún to London Heathrow Airport from £286

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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — LHR
23 Mar — 30 Mar1
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 21 February 2026.

Mon 6/419:40
CUN
-
LHR
1 stop14h 20m
Multiple Airlines
Mon 13/421:10
LHR
-
CUN
2 stops50h 45m
Multiple Airlines
Deal found 20/2£588
Mon 16/1121:20
CUN
-
LHR
1 stop14h 15m
Multiple Airlines
Sat 21/1107:30
LHR
-
CUN
1 stop16h 50m
Multiple Airlines
Deal found 17/2£617
Tue 7/420:50
CUN
-
LHR
1 stop37h 10m
Multiple Airlines
Tue 14/422:05
LHR
-
CUN
1 stop19h 30m
Multiple Airlines
Deal found 20/2£619
Sun 11/1020:55
CUN
-
LHR
1 stop14h 20m
Multiple Airlines
Fri 13/1109:15
LHR
-
CUN
1 stop15h 25m
Multiple Airlines
Deal found 20/2£626
Fri 16/1021:15
CUN
-
LHR
1 stop14h 00m
Multiple Airlines
Mon 16/1109:15
LHR
-
CUN
1 stop15h 40m
Multiple Airlines
Deal found 20/2£642
Tue 5/516:09
CUN
-
LHR
2 stops22h 01m
Multiple Airlines
Sun 20/909:15
LHR
-
CUN
1 stop15h 10m
Multiple Airlines
Deal found 20/2£647
Mon 12/1021:25
CUN
-
LHR
1 stop13h 50m
Multiple Airlines
Fri 6/1109:15
LHR
-
CUN
1 stop15h 25m
Multiple Airlines
Deal found 18/2£649
Thu 16/420:55
CUN
-
LHR
3 stops33h 00m
Multiple Airlines
Wed 29/413:05
LHR
-
CUN
3 stops33h 05m
Multiple Airlines
Deal found 17/2£650
Fri 16/1021:15
CUN
-
LHR
1 stop14h 00m
Multiple Airlines
Fri 13/1109:15
LHR
-
CUN
1 stop15h 25m
Multiple Airlines
Deal found 20/2£652
Sun 11/1020:55
CUN
-
LHR
1 stop14h 20m
Multiple Airlines
Mon 16/1109:15
LHR
-
CUN
1 stop15h 40m
Multiple Airlines
Deal found 20/2£654
Mon 12/1021:25
CUN
-
LHR
1 stop13h 50m
Multiple Airlines
Mon 9/1109:15
LHR
-
CUN
1 stop15h 40m
Multiple Airlines
Deal found 18/2£657

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 21 February 2026.

Round-trip from

£588

One-way from

£286

Popular in

March

Cheapest in

January

Average price

£758

Good one-way deal

£669 or less
6/4-13/4
  • 6/4-13/4
  • 3 total stops
  • 65h 05m total
  • Cancún to London
Search Deals
2/3
  • 2/3
  • 3 total stops
  • 50h 11m total
  • Cancún to London
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£16 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a one-way flight from Cancun to London Heathrow.
Search Deals

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 February 2026.
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 5/3

20:10-22:40

1 stop21h 30m

London Heathrow

Thu 26/3

08:15-18:40

1 stop15h 25m

£689

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Thu 16/4

10:00-07:15

1 stop15h 15m

London Heathrow

Mon 27/4

08:55-17:40

1 stop14h 45m

£743

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Thu 5/3

08:00-11:20

2 stops22h 20m

London Heathrow

Thu 26/3

11:10-06:00

2 stops23h 50m

£748

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Tue 21/4

11:05-20:45

1 stop27h 40m

London Heathrow

Tue 19/5

11:55-14:32

1 stop32h 37m

£753

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Wed 29/4

13:50-11:20

2 stops15h 30m

London Heathrow

Wed 6/5

09:55-20:15

2 stops16h 20m

£754

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Thu 16/4

08:00-07:10

2 stops17h 10m

London Heathrow

Wed 29/4

06:30-20:15

2 stops19h 45m

£757

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Thu 16/4

12:35-12:10

1 stop17h 35m

London Heathrow

Mon 27/4

06:30-20:15

2 stops19h 45m

£757

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Tue 7/4

10:00-07:15

1 stop15h 15m

London Heathrow

Thu 23/4

09:20-20:15

1 stop16h 55m

£762

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Mon 13/4

16:49-14:35

3 stops39h 46m

London Heathrow

Tue 21/4

07:05-10:33

3 stops33h 28m

£778

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Mon 2/3

10:19-17:30

3 stops50h 11m

£286

Flights are sorted by cheapest return flights first.

Deals found on 17/2

Showing 1-10 of 20 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, January is the cheapest month in which you can book a flight from Cancún to London Heathrow Airport (average of £561). Flying from Cancún to London Heathrow Airport in August is currently the most expensive (average of £779). 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 21 February 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Cancún to London Heathrow Airport as you normally would.

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 TAP AIR PORTUGAL, Virgin Atlantic, and Air Canada fly from Cancún to London Heathrow Airport in about 15h 15m. The time it takes to get you to your destination can typically vary by up to 7h 05m. 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 £694 for a flight from Cancún to London Heathrow Airport. The cheapest flight overall is £653 while the most popular route, (Cancun - London Heathrow) is currently priced at £619.

  • 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 £561). Flying from Cancún to London Heathrow Airport in August is currently the most expensive (average of £779). 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
Luton
Croydon
Wembley
Northampton
Gatwick
Slough
Hounslow
Ilford
Hayes
Brentford
Colchester
Watford
Guildford
Kingston upon Thames
Eastbourne
Ipswich
Chelmsford
Swindon
Bedford

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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