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Cheap flights from Cancún to London Heathrow Airport from £257

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 16/3. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — LHR
18 Oct — 25 Oct1
1 adult
1 adult, Economy

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 18 September 2025.

Round-trip from

£533

One-way from

£257

Popular in

August

Cheapest in

March

Average price

£703

Good one-way deal

£256 or less
15/10-31/10
  • 15/10-31/10
  • 2 total stops
  • 45h 10m total
  • Cancún to London
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Iberia
  • Iberia
  • 16/3
  • 1 total stop
  • 15h 20m total
  • Cancún to London
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Highest demand for flights based on searches. 6% potential increase in price (£41 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
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Average for round-trip flights in September 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

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 18 September 2025.

Wed 15/1009:09CUN - LHR
1 stop16h 06mMultiple Airlines
Fri 31/1008:00LHR - CUN
1 stop29h 04mMultiple Airlines
Deal found 17/9£533
Sun 21/918:45CUN - LHR
1 stop21h 05mMultiple Airlines
Sun 28/906:45LHR - CUN
1 stop17h 00mMultiple Airlines
Deal found 15/9£576
Wed 1/1009:16CUN - LHR
1 stop15h 59mMultiple Airlines
Wed 8/1013:50LHR - CUN
1 stop24h 14mMultiple Airlines
Deal found 17/9£585
Tue 25/1108:00CUN - LHR
1 stop22h 50mAir Canada
Tue 9/1209:00LHR - CUN
2 stops18h 40mAir Canada
Deal found 17/9£591
Tue 25/1108:00CUN - LHR
1 stop22h 50mMultiple Airlines
Tue 9/1209:00LHR - CUN
2 stops18h 40mMultiple Airlines
Deal found 15/9£592
Tue 2/1208:00CUN - LHR
1 stop22h 50mAir Canada
Tue 9/1209:00LHR - CUN
2 stops18h 40mAir Canada
Deal found 17/9£593
Tue 18/1113:35CUN - LHR
1 stop14h 55mJetBlue
Sun 23/1108:30LHR - CUN
1 stop14h 33mJetBlue
Deal found 17/9£599

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 18 September 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 12/2

13:55-09:30

1 stop14h 35m

London Heathrow

Thu 26/2

07:25-19:05

1 stop16h 40m

£574

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Sun 1/3

08:00-11:50

1 stop22h 50m

London Heathrow

Wed 11/3

06:00-21:40

2 stops20h 40m

£596

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Tue 18/11

13:35-09:30

1 stop14h 55m

London Heathrow

Sun 23/11

08:30-18:03

1 stop14h 33m

£601

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Wed 19/11

13:35-09:30

1 stop14h 55m

London Heathrow

Tue 25/11

07:25-18:58

1 stop16h 33m

£612

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Wed 28/1

22:30-12:50

Nonstop9h 20m

London Heathrow

Wed 4/2

14:45-20:40

Nonstop10h 55m

£615

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Sun 1/3

22:30-12:50

Nonstop9h 20m

London Heathrow

Wed 11/3

14:45-20:40

Nonstop10h 55m

£615

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Fri 27/2

20:10-20:45

1 stop19h 35m

London Heathrow

Fri 13/3

07:25-18:05

1 stop15h 40m

£615

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Thu 30/10

20:10-21:35

1 stop20h 25m

London Heathrow

Thu 6/11

19:55-18:40

1 stop27h 45m

£626

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

£626

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Sat 6/12

13:09-09:15

2 stops39h 06m

London Heathrow

Sat 13/12

15:35-20:41

2 stops34h 06m

£627

Flights are sorted by cheapest return flights first.

Deals found on 16/9

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, January is the cheapest month in which you can book a flight from Cancún to London Heathrow Airport (average of £112). Flying from Cancún to London Heathrow Airport in August is currently the most expensive (average of £164). 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 18 September 2025.

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 JetBlue, Air Canada, and Virgin Atlantic fly from Cancún to London Heathrow Airport in about 9h 20m. The time it takes to get you to your destination can typically vary by up to 13h 30m. 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 airlines to fly from Cancún to London Heathrow Airport one-way?

    For one-way options, check prices for Iberia. According to our data, you can fly for as low as £257. Users have also found prices from £262 and £271 on Virgin Atlantic and Delta, respectively.

  • What are the cheapest flights from Cancún to London Heathrow Airport?

    On average you can expect to pay £265 for a flight from Cancún to London Heathrow Airport. The cheapest flight overall is £250 while the most popular route, (Cancun - London Heathrow) is currently priced at £614.

  • 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 £112). Flying from Cancún to London Heathrow Airport in August is currently the most expensive (average of £164). 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
Hounslow
Slough
Gatwick
Northampton
Luton
Deal
Wembley
Ilford
Crawley
Hayes
Watford
Winchester
Chichester
Ipswich
Swindon
Dartford
Guildford
Brentford

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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