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Cheap flights from London Heathrow Airport to Cancún from £279

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 1/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CUN
15 Mar — 22 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Cancún

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Cancún
Explore the most affordable flight options available from Heathrow to Cancún. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 February 2026.

Tue 10/308:15
LHR
-
CUN
1 stop15h 25m
TAP AIR PORTUGAL
Sat 21/320:10
CUN
-
LHR
1 stop16h 20m
TAP AIR PORTUGAL
Deal found 12/2£464
Mon 2/313:00
LHR
-
CUN
1 stop13h 15m
Air Canada
Mon 9/310:45
CUN
-
LHR
1 stop14h 45m
Air Canada
Deal found 11/2£492
Fri 27/212:15
LHR
-
CUN
2 stops26h 03m
Multiple Airlines
Tue 3/310:13
CUN
-
LHR
2 stops28h 17m
Multiple Airlines
Deal found 11/2£521
Tue 17/307:25
LHR
-
CUN
1 stop33h 25m
JetBlue
Mon 23/315:15
CUN
-
LHR
1 stop25h 25m
JetBlue
Deal found 10/2£530
Tue 10/312:20
LHR
-
CUN
1 stop33h 04m
JetBlue
Tue 24/317:45
CUN
-
LHR
1 stop22h 55m
JetBlue
Deal found 10/2£534
Tue 17/307:25
LHR
-
CUN
1 stop33h 25m
JetBlue
Tue 24/317:45
CUN
-
LHR
1 stop22h 55m
JetBlue
Deal found 10/2£535
Mon 9/308:55
LHR
-
CUN
1 stop16h 25m
Delta
Sat 21/312:44
CUN
-
LHR
1 stop14h 06m
Delta
Deal found 12/2£546
Sat 28/207:30
LHR
-
CUN
1 stop16h 50m
Multiple Airlines
Tue 10/314:10
CUN
-
LHR
1 stop16h 30m
Multiple Airlines
Deal found 10/2£555
Thu 12/306:00
LHR
-
CUN
1 stop17h 10m
Multiple Airlines
Tue 17/310:45
CUN
-
LHR
1 stop14h 45m
Multiple Airlines
Deal found 10/2£555

Find flight deals from Heathrow to Cancún

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Cancún (CUN). 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 February 2026.

Round-trip from

£464

One-way from

£279

Popular in

December

Cheapest in

September

Average price

£562

Good round-trip deal

£550 or less

Good one-way deal

£490 or less
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 10/3-21/3
  • 2 total stops
  • 31h 45m total
  • London to Cancún
Search Deals
1/3
  • 1/3
  • 1 total stop
  • 22h 55m total
  • London to Cancún
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£10 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from London Heathrow to Cancun.
Search Deals
Price to beat on a one-way flight from London Heathrow to Cancun.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Cancún 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 February 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Cancún that are best for you.

Fly from

Heathrow

Fly to

Cancún

Route

Depart

Return

Price

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Wed 4/3

18:30-18:40

1 stop29h 10m

Cancun

Fri 13/3

20:10-18:55

1 stop17h 45m

£606

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Mon 27/4

20:05-16:50

1 stop26h 45m

Cancun

Mon 18/5

07:51-07:40

1 stop17h 49m

£606

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Wed 4/3

18:30-18:40

1 stop29h 10m

Cancun

Thu 12/3

20:10-17:30

1 stop16h 20m

£607

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Wed 11/3

18:30-18:40

1 stop29h 10m

Cancun

Fri 20/3

20:10-21:35

1 stop20h 25m

£610

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Sat 14/3

21:40-11:35

1 stop18h 55m

Cancun

Sat 21/3

18:25-14:35

1 stop15h 10m

£631

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Sun 15/3

14:45-20:40

Nonstop10h 55m

Cancun

Wed 25/3

14:10-09:00

1 stop13h 50m

£637

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Sun 15/3

14:45-20:40

Nonstop10h 55m

Cancun

Thu 26/3

12:41-10:15

1 stop16h 34m

£638

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Sun 15/3

14:45-20:40

Nonstop10h 55m

Cancun

Fri 27/3

22:50-13:05

Nonstop9h 15m

£647

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Tue 12/5

07:45-19:19

2 stops17h 34m

Cancun

Tue 19/5

08:45-05:55

1 stop15h 10m

£650

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Wed 11/3

14:45-20:40

Nonstop10h 55m

Cancun

Wed 1/4

22:55-14:35

Nonstop9h 40m

£659

Flights are sorted by cheapest return flights first.

Deals found on 12/2

Showing 1-10 of 21 results
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2
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Best time to book a flight from Heathrow to Cancún

Have a flexible travel schedule? Discover the best time to fly to Cancún from Heathrow 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 London Heathrow Airport to Cancún

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

Use this chart to determine the optimal time to book a return flight from Heathrow to Cancún. Price data was last updated on 6 February 2026.

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Cancún, you should look to book at least 85 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from London Heathrow Airport to Cancún?

Currently, March is the cheapest month in which you can book a flight from London Heathrow Airport to Cancún (average of £452). Flying from London Heathrow Airport to Cancún in July is currently the most expensive (average of £555). 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 LHR to CUN?

Find hourly flight availability from Heathrow to Cancún. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 13 February 2026.

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

How much does it cost for a return flight from London Heathrow Airport to Cancún?

Reviews of airlines servicing Cancún

Get insights into the airlines that provide service to Cancún. 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 Cancún. Reviews last updated 13 February 2026.
Read through reviews of airlines operating flights from London Heathrow Airport to Cancún, such as Finnair, Virgin Atlantic, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,362 reviews
Check prices

Boarding

7.7

Overall

7.6

Food

6.7

Comfort

7.4

Crew

8.2

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Finnair
7.6
Good
1,362 reviews
Finnair
7.6
Good
1,362 reviews
Check prices

Boarding

7.7

Overall

7.6

Food

6.7

Comfort

7.4

Crew

8.2

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Virgin Atlantic
7.5
Good
678 reviews
Finnair
7.6
Good
1,362 reviews
Check prices

Boarding

7.7

Overall

7.6

Food

6.7

Comfort

7.4

Crew

8.2

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
United Airlines
7.4
Good
9,286 reviews
Finnair
7.6
Good
1,362 reviews
Check prices

Boarding

7.7

Overall

7.6

Food

6.7

Comfort

7.4

Crew

8.2

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Air Canada
7.1
Good
10,717 reviews
Finnair
7.6
Good
1,362 reviews
Check prices

Boarding

7.7

Overall

7.6

Food

6.7

Comfort

7.4

Crew

8.2

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
British Airways
6.7
Okay
7,738 reviews
Finnair
7.6
Good
1,362 reviews
Check prices

Boarding

7.7

Overall

7.6

Food

6.7

Comfort

7.4

Crew

8.2

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Cancún. 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 into for flights to Cancún from London Heathrow?

    Cancun (CUN) is the airport you will fly into if you book a flight from London Heathrow to Cancún. You should not have trouble finding flights to Cancun from London Heathrow; the airport handles an average of 0 inbound flights from London Heathrow per day. You should also have plenty of airline options to choose from since 13 airlines have flights to the Cancún airport from London Heathrow. It is only a 8.9 mi journey from Cancun (CUN) to Cancún’s city center.

  • How long is the flight from London Heathrow Airport to Cancún?

    Departing from London Heathrow Airport to Cancún will take you 29h 10m. Airlines will cover a distance of 4938 mi.

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

    Flying on Aer Lingus is currently your cheapest option to Cancún, with prices starting at £439. Additional return tickets that might be worth considering are offered by Virgin Atlantic and Air Canada, with the lowest prices starting at £452 and £455, respectively. These flights start at 30% lower than the current average price 3 months from now.

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

    The cheapest flight price from London Heathrow Airport to Cancún is £442. On average you can expect to pay £562. The most popular route, (London Heathrow - Cancun), can usually be booked for £546.

  • Can I find deals for flights from Heathrow to Cancún that include hotel bookings?

    Yes. In addition to deals on Heathrow to Cancún flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Cancún?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Cancún.

  • Can I find deals for business class flights from Heathrow to Cancún?

    Yes. Cheapflights offers flight deals from Heathrow to Cancún 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 London Heathrow Airport to Cancún?

    Currently, March is the cheapest month in which you can book a flight from London Heathrow Airport to Cancún (average of £452). Flying from London Heathrow Airport to Cancún in July is currently the most expensive (average of £555). 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 Cancún?

Book flights to Cancún if you plan to visit one of these locations
Holbox

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Fly from Heathrow to Cancún on these airlines

Choose from the following airlines for your flight from Heathrow to Cancún. Flights are based on user searches made on Cheapflights and were last updated on 13 February 2026.
Virgin Atlantic flights from London Heathrow to Cancun
United Airlines flights from London Heathrow to Cancun
British Airways flights from London Heathrow to Cancun

Top 10 airlines flying from Heathrow to Cancún

Discover the top 10 airlines that operate flights from Heathrow to Cancún. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 13 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£439Average£578FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Virgin AtlanticCheapest£452Average£579FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air CanadaCheapest£455Average£562FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
British AirwaysCheapest£464Average£640FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£471Average£726FlexibilityNo cancel feeOn-time75%
Search KLM flights
American AirlinesCheapest£488Average£706FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air FranceCheapest£492Average£690FlexibilityNo cancel feeOn-time77%
Search Air France flights
FinnairCheapest£505Average£614FlexibilityNo cancel feeOn-time76%
Search Finnair flights
LufthansaCheapest£518Average£659FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£519Average£691FlexibilityNo cancel feeOn-time69%
Search United Airlines 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 Heathrow to Cancún?

Deals for Heathrow to Cancún flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Cancún?

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 Cancún from Heathrow.

Can Cheapflights find flights from Heathrow to Cancún with no change fees?

Certainly. Search results for flights to Cancún from Heathrow 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 Heathrow to Cancún become cheaper?

Not ready to book yet? You can track prices for flights from Heathrow to Cancún on Cheapflights with our Price Alert feature and get notified when better prices are available.

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