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Cheap flights from Cancún to London Heathrow Airport from £251

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 20/1. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — LHR
12 Feb — 19 Feb1
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 13 January 2026.

Round-trip from

£586

One-way from

£251

Popular in

August

Cheapest in

November

Average price

£688

Good one-way deal

£260 or less
26/1-29/1
  • 26/1-29/1
  • 2 total stops
  • 44h 10m total
  • Cancún to London
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SWISS
  • SWISS
  • 20/1
  • 1 total stop
  • 18h 15m total
  • Cancún to London
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Highest demand for flights based on searches. 10% potential increase in price (£67 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£20 potential savings vs. average return price).
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Average for round-trip flights in January 2026
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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 13 January 2026.

Mon 26/121:20
CUN
-
LHR
1 stop14h 55m
Multiple Airlines
Thu 29/119:05
LHR
-
CUN
1 stop29h 15m
Multiple Airlines
Deal found 12/1£586
Tue 24/211:45
CUN
-
LHR
1 stop13h 45m
Multiple Airlines
Tue 3/306:00
LHR
-
CUN
1 stop17h 10m
Multiple Airlines
Deal found 10/1£592
Tue 24/208:00
CUN
-
LHR
2 stops21h 10m
Air Canada
Tue 3/306:50
LHR
-
CUN
2 stops20h 50m
Air Canada
Deal found 10/1£594
Mon 9/208:00
CUN
-
LHR
1 stop22h 50m
Air Canada
Mon 16/214:30
LHR
-
CUN
1 stop21h 30m
Air Canada
Deal found 10/1£597
Mon 26/122:25
CUN
-
LHR
1 stop13h 50m
Multiple Airlines
Mon 9/209:15
LHR
-
CUN
1 stop15h 40m
Multiple Airlines
Deal found 12/1£600
Thu 22/108:00
CUN
-
LHR
2 stops21h 10m
Air Canada
Mon 26/112:05
LHR
-
CUN
2 stops39h 35m
Air Canada
Deal found 9/1£605
Sun 1/308:00
CUN
-
LHR
1 stop22h 50m
Air Canada
Wed 11/306:00
LHR
-
CUN
2 stops20h 40m
Air Canada
Deal found 10/1£607

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 13 January 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

Sun 29/3

07:00-13:20

1 stop24h 20m

London Heathrow

Mon 6/4

14:05-21:30

1 stop13h 25m

£646

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Thu 26/2

13:40-07:50

1 stop13h 10m

London Heathrow

Thu 5/3

06:30-15:05

1 stop13h 35m

£655

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Tue 7/4

12:05-08:05

1 stop14h 00m

London Heathrow

Thu 23/4

10:05-20:02

1 stop15h 57m

£658

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Wed 22/4

17:15-13:20

1 stop38h 05m

London Heathrow

Mon 11/5

15:05-16:20

1 stop31h 15m

£658

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Tue 21/4

17:40-10:00

1 stop34h 20m

London Heathrow

Mon 11/5

15:05-16:20

1 stop31h 15m

£661

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Mon 30/3

07:00-13:20

1 stop24h 20m

London Heathrow

Sat 11/4

15:05-16:15

1 stop31h 10m

£672

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Thu 26/2

08:00-06:50

2 stops17h 50m

London Heathrow

Thu 5/3

08:40-21:11

2 stops17h 31m

£673

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Mon 9/3

08:00-06:50

2 stops17h 50m

London Heathrow

Mon 16/3

06:30-20:20

2 stops18h 50m

£675

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Wed 18/3

22:30-12:50

Nonstop9h 20m

London Heathrow

Tue 12/5

09:30-20:10

2 stops16h 40m

£691

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Tue 20/1

20:00-19:15

1 stop18h 15m

£251

Flights are sorted by cheapest return flights first.

Deals found on 12/1

Showing 1-10 of 19 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 £563). Flying from Cancún to London Heathrow Airport in August is currently the most expensive (average of £1,075). 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 13 January 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 Air Canada, Virgin Atlantic, and Finnair fly from Cancún to London Heathrow Airport in about 13h 10m. The time it takes to get you to your destination can typically vary by up to 11h 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 £260 for a flight from Cancún to London Heathrow Airport. The cheapest flight overall is £253 while the most popular route, (Cancun - London Heathrow) is currently priced at £634.

  • 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 £563). Flying from Cancún to London Heathrow Airport in August is currently the most expensive (average of £1,075). 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
Luton
Northampton
Slough
Gatwick
Hounslow
Wembley
Ilford
Brentford
Hayes
Colchester
Watford
Crawley
Kingston upon Thames
Swindon
Bedford
Chelmsford
Eastbourne
Romford

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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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