Cheap flights from Cancún to London Heathrow Airport from £159

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/11. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — LHR
23 Jul — 30 Jul1
1 adult

Cheapflights Tip: The best prices from Cancun to London Heathrow are usually found in March or January, booked 78 days in advance, depart on a Tuesday or Wednesday and return on a Monday

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 July 2025.

Round-trip from

£159

Popular in

August

Cheapest in

March

Average price

£884
JetBlue
  • JetBlue
  • 21/11-30/11
  • 2 total stops
  • 55h 29m total
  • Cancún to London
Highest demand for flights based on searches. 8% potential increase in price (£52 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).
Average for round-trip flights in July 2025

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 July 2025.

Fri 21/1120:10CUN - LHR
1 stop19h 35mJetBlue
Sun 30/1107:25LHR - CUN
1 stop35h 54mJetBlue
Deal found 18/7£159
Wed 13/809:14CUN - LHR
2 stops22h 41mMultiple Airlines
Wed 20/807:40LHR - CUN
3 stops33h 30mMultiple Airlines
Deal found 16/7£586
Sat 13/908:45CUN - LHR
1 stop18h 35mUnited Airlines
Sat 27/916:00LHR - CUN
1 stop27h 51mUnited Airlines
Deal found 16/7£609
Wed 23/714:35CUN - LHR
2 stops24h 10mIcelandair
Tue 26/808:25LHR - CUN
2 stops30h 00mIcelandair
Deal found 16/7£624
Tue 25/1108:00CUN - LHR
1 stop22h 50mAir Canada
Tue 9/1208:55LHR - CUN
2 stops18h 45mAir Canada
Deal found 18/7£627
Tue 18/1120:10CUN - LHR
1 stop21h 30mTAP AIR PORTUGAL
Tue 25/1108:15LHR - CUN
1 stop15h 25mTAP AIR PORTUGAL
Deal found 18/7£633

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 July 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

Fri 21/11

20:10-20:45

1 stop19h 35m

London Heathrow

Sun 30/11

07:25-14:19

1 stop35h 54m

£159

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Wed 13/8

09:14-13:55

2 stops22h 41m

London Heathrow

Wed 20/8

07:40-11:10

3 stops33h 30m

£586

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Sat 13/9

08:45-09:20

1 stop18h 35m

London Heathrow

Sat 27/9

16:00-13:51

1 stop27h 51m

£609

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Tue 25/11

08:00-11:50

1 stop22h 50m

London Heathrow

Tue 9/12

08:55-22:40

2 stops18h 45m

£627

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Mon 8/9

09:45-06:30

2 stops38h 45m

London Heathrow

Mon 15/9

08:15-10:00

1 stop31h 45m

£628

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

£633

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Mon 29/9

09:16-20:20

2 stops29h 04m

£248

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Sun 3/8

14:35-06:30

1 stop33h 55m

£288

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Wed 1/10

18:42-16:00

1 stop15h 18m

£298

Flights are sorted by cheapest return flights first.

Deals found on 17/7

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

How far ahead should I book a flight from Cancún to London Heathrow Airport?

Use this chart to determine the optimal time to book a return flight from Cancún to Heathrow. Price data was last updated on 11 July 2025.

The best time to book flights from Cancún to London Heathrow Airport is 78 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 July 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?

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 18 July 2025.
Get a feel of what it's like to fly with Aeromexico, United Airlines, andJetBlue from Cancún to London Heathrow Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

7.4

Entertainment

7.1

Comfort

7.6

Crew

7.9

Overall

7.5

Food

6.6

Reviews

1 / 20
6.0
Good

Anonymous,Jun 2025

VER - MEX

Was West jet. Very unconrtsble seats. If they can put more seats probably they will.

Boarding

7.4

Entertainment

7.1

Comfort

7.6

Crew

7.9

Overall

7.5

Food

6.6

Reviews

1 / 20
6.0
Good

Anonymous,Jun 2025

VER - MEX

Was West jet. Very unconrtsble seats. If they can put more seats probably they will.

Boarding

7.4

Entertainment

7.1

Comfort

7.6

Crew

7.9

Overall

7.5

Food

6.6

Reviews

1 / 20
6.0
Good

Anonymous,Jun 2025

VER - MEX

Was West jet. Very unconrtsble seats. If they can put more seats probably they will.

Boarding

7.4

Entertainment

7.1

Comfort

7.6

Crew

7.9

Overall

7.5

Food

6.6

Reviews

1 / 20
6.0
Good

Anonymous,Jun 2025

VER - MEX

Was West jet. Very unconrtsble seats. If they can put more seats probably they will.

Boarding

7.4

Entertainment

7.1

Comfort

7.6

Crew

7.9

Overall

7.5

Food

6.6

Reviews

1 / 20
6.0
Good

Anonymous,Jun 2025

VER - MEX

Was West jet. Very unconrtsble seats. If they can put more seats probably they will.

Boarding

7.4

Entertainment

7.1

Comfort

7.6

Crew

7.9

Overall

7.5

Food

6.6

Reviews

1 / 20
6.0
Good

Anonymous,Jun 2025

VER - MEX

Was West jet. Very unconrtsble seats. If they can put more seats probably they will.

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.

  • What are the cheapest airlines flying from Cancún to London Heathrow Airport round-trip?

    Flying on JetBlue is currently your cheapest option to London Heathrow Airport, with prices starting at £159. Additional return tickets that might be worth considering are offered by United Airlines and Air Canada, with the lowest prices starting at £609 and £627, respectively. JetBlue is priced at 79% lower than the current average price of a flight leaving 3 months from now.

  • 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
Deal
Northampton
Gatwick
Slough
Luton
Wembley
Crawley
Eastbourne
Ilford
Hayes
Ipswich
Southend-on-Sea
Folkestone
Watford
Winchester
Swindon
Maidstone

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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.

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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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