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Cheap flights from Cancún to London Heathrow Airport from £249

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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — LHR
22 Jan — 29 Jan1
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 23 December 2025.

Tue 30/1220:10CUN - LHR
1 stop16h 20mTAP AIR PORTUGAL
Wed 14/118:30LHR - CUN
1 stop29h 10mTAP AIR PORTUGAL
Deal found 22/12£717
Sat 27/1220:10CUN - LHR
1 stop14h 20mTAP AIR PORTUGAL
Wed 7/118:30LHR - CUN
1 stop29h 10mTAP AIR PORTUGAL
Deal found 21/12£752
Tue 30/1220:20CUN - LHR
1 stop12h 25mVirgin Atlantic
Wed 14/114:45LHR - CUN
Nonstop10h 55mVirgin Atlantic
Deal found 22/12£753
Tue 30/1211:50CUN - LHR
2 stops18h 00mMultiple Airlines
Wed 14/112:15LHR - CUN
3 stops34h 45mMultiple Airlines
Deal found 22/12£762
Sat 27/1220:10CUN - LHR
1 stop17h 45mTAP AIR PORTUGAL
Tue 13/106:00LHR - CUN
1 stop17h 40mTAP AIR PORTUGAL
Deal found 22/12£771
Sun 28/1220:20CUN - LHR
1 stop12h 25mMultiple Airlines
Thu 15/106:30LHR - CUN
1 stop13h 35mMultiple Airlines
Deal found 21/12£833
Mon 29/1220:20CUN - LHR
1 stop12h 25mAir France
Tue 13/106:20LHR - CUN
1 stop16h 25mAir France
Deal found 22/12£838
Mon 29/1211:25CUN - LHR
2 stops15h 15mDelta
Tue 13/108:40LHR - CUN
2 stops17h 31mDelta
Deal found 22/12£875
Wed 31/1216:30CUN - LHR
1 stop14h 10mVirgin Atlantic
Thu 8/106:20LHR - CUN
1 stop16h 25mVirgin Atlantic
Deal found 21/12£991

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 23 December 2025.

Round-trip from

£587

One-way from

£249

Popular in

May

Cheapest in

January

Average price

£806

Good one-way deal

£253 or less
SWISS
  • SWISS
  • 20/1-27/1
  • 2 total stops
  • 51h 25m total
  • Cancún to London
Search Deals
Air Canada
  • Air Canada
  • 12/2
  • 1 total stop
  • 22h 50m total
  • Cancún to London
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£47 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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 23 December 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

Mon 19/1

11:45-11:20

1 stop18h 35m

London Heathrow

Mon 26/1

09:00-22:40

2 stops18h 40m

£649

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Sun 18/1

12:28-07:30

1 stop14h 02m

London Heathrow

Mon 26/1

15:20-07:29

1 stop21h 09m

£653

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Sun 18/1

12:28-07:30

1 stop14h 02m

London Heathrow

Tue 27/1

12:05-11:25

1 stop28h 20m

£653

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Sun 18/1

12:28-07:30

1 stop14h 02m

London Heathrow

Wed 28/1

15:20-07:29

1 stop21h 09m

£653

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Sat 17/1

20:10-22:40

1 stop21h 30m

London Heathrow

Mon 26/1

18:30-18:40

1 stop29h 10m

£686

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Sat 17/1

20:10-17:30

1 stop16h 20m

London Heathrow

Thu 29/1

08:15-18:40

1 stop15h 25m

£686

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Fri 16/1

20:10-17:30

1 stop16h 20m

London Heathrow

Fri 23/1

06:00-18:40

1 stop17h 40m

£686

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Sat 17/1

20:10-18:55

1 stop17h 45m

London Heathrow

Wed 28/1

18:30-18:40

1 stop29h 10m

£686

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Fri 16/1

20:10-21:35

1 stop20h 25m

London Heathrow

Wed 28/1

18:30-18:40

1 stop29h 10m

£686

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Mon 19/1

19:25-08:30

1 stop32h 05m

London Heathrow

Sun 25/1

14:30-07:00

1 stop21h 30m

£689

Flights are sorted by cheapest return flights first.

Deals found on 22/12

Showing 1-10 of 21 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 23 December 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 Air Canada, United Airlines, and TAP AIR PORTUGAL fly from Cancún to London Heathrow Airport in about 14h 02m. The time it takes to get you to your destination can typically vary by up to 7h 28m. 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 £240 while the most popular route, (Cancun - London Heathrow) is currently priced at £609.

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

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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