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$465+ Cheap flights from Heathrow (LHR) to Cancún (CUN)

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 11/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CUN
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheapflights Tip: The best prices from London Heathrow to Cancun are usually found in January or September, booked 65 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap 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 July 31, 2025.

Round-trip from

$687
(Air Canada)

One-way from

$465
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$1,091

Good round-trip deal

$1,002 or less
From London Heathrow to Cancun
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One-way flight from London Heathrow to Cancun
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Highest demand for flights based on searches. 2% potential increase in price ($19 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from London Heathrow to Cancun.
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Find flight deals from Heathrow to Cancún

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 July 31, 2025.

This Air Canada deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/59:00 amLHR - CUN
2 stops18h 40mAir Canada
Wed 11/198:00 amCUN - LHR
1 stop22h 50mAir Canada
Deal found 7/30$687
This Air Canada deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/59:00 amLHR - CUN
2 stops18h 40mMultiple Airlines
Wed 11/198:00 amCUN - LHR
1 stop22h 50mMultiple Airlines
Deal found 7/29$689
This American Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:00 pmLHR - CUN
1 stop22h 45mAmerican Airlines
Sun 11/1612:02 pmCUN - LHR
1 stop14h 48mAmerican Airlines
Deal found 7/31$718
This Virgin Atlantic deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/16:15 amLHR - CUN
1 stop18h 00mVirgin Atlantic
Mon 9/158:00 amCUN - LHR
2 stops16h 20mVirgin Atlantic
Deal found 7/31$734
This Lufthansa deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3110:00 amLHR - CUN
1 stop14h 18mLufthansa
Mon 11/36:10 pmCUN - LHR
1 stop15h 40mLufthansa
Deal found 7/29$736
This British Airways deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/296:30 amLHR - CUN
2 stops32h 25mBritish Airways
Thu 11/274:30 pmCUN - LHR
1 stop34h 45mBritish Airways
Deal found 7/31$740
This United Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1310:00 amLHR - CUN
1 stop15h 20mUnited Airlines
Sat 9/203:38 pmCUN - LHR
2 stops33h 17mUnited Airlines
Deal found 7/30$748
This Delta deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/296:30 amLHR - CUN
2 stops19h 45mDelta
Thu 10/168:00 amCUN - LHR
1 stop17h 15mDelta
Deal found 7/31$752

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated July 31, 2025.
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 11/5

9:00 am-10:40 pm

2 stops18h 40m

Cancun

Wed 11/19

8:00 am-11:50 am

1 stop22h 50m

$687

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Mon 1/19

8:05 pm-6:10 pm

1 stop27h 05m

Cancun

Thu 1/29

12:28 pm-10:15 am

1 stop16h 47m

$688

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Thu 11/13

6:00 pm-11:45 am

1 stop22h 45m

Cancun

Sun 11/16

12:02 pm-7:50 am

1 stop14h 48m

$718

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Sat 1/3

11:30 am-4:15 pm

1 stop33h 45m

Cancun

Sat 2/7

12:28 pm-7:30 am

1 stop14h 02m

$719

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Mon 9/1

9:00 am-6:15 pm

1 stop15h 15m

Cancun

Mon 9/15

12:25 pm-1:30 pm

1 stop19h 05m

$734

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Wed 10/29

6:30 am-9:55 am

2 stops32h 25m

Cancun

Wed 12/3

5:25 pm-6:50 am

1 stop32h 25m

$740

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Sat 9/13

10:00 am-7:20 pm

1 stop15h 20m

Cancun

Sat 9/20

3:38 pm-8:20 am

1 stop34h 42m

$748

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Mon 9/29

6:30 am-8:15 pm

2 stops19h 45m

Cancun

Thu 10/16

8:00 am-7:15 am

1 stop17h 15m

$752

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Sat 11/8

7:30 am-7:20 pm

1 stop16h 50m

$465

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Tue 10/14

10:05 pm-2:40 pm

1 stop22h 35m

$611

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 14 results
1
2

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 round-trip 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 round-trip flight from Heathrow to Cancún. Price data was last updated on July 25, 2025.

The best time to book flights from London Heathrow Airport to Cancún is 65 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 London Heathrow Airport to Cancún?

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Cancún (average of $360). Flying from London Heathrow Airport to Cancún in March is currently the most expensive (average of $492). 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 July 31, 2025.

A simple way to save on the total cost of your ticket is to fly from London Heathrow Airport to Cancún in the morning. If you’re flexible enough to do this you can expect to save up to 2% on your trip compared to booking a flight at noon.

How much does it cost to fly round-trip 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 July 31, 2025.
Read reviews from past customers who have flown Delta, Aeromexico, and United Airlines from London Heathrow Airport to Cancún. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Aeromexico
7.5
Good
1,721 reviews
Delta
8.0
Very good
7,980 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
United Airlines
7.4
Good
8,902 reviews
Delta
8.0
Very good
7,980 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Virgin Atlantic
7.4
Good
655 reviews
Delta
8.0
Very good
7,980 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Turkish Airlines
7.3
Good
3,933 reviews
Delta
8.0
Very good
7,980 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

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), located 8.9 mi from the city center, is the airport you fly into when you book flights from London Heathrow to Cancún. 2 airlines have flights to Cancun from London Heathrow on a regular basis. Booking flights from London Heathrow to Cancun should not be difficult; the airport handles an average of 0 inbound flights from London Heathrow per day.

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

    Currently priced at $687, Air Canada will fly you from London Heathrow Airport to Cancún and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and Lufthansa - these airlines can fly you to your destination from $718 and $719, respectively. You may be able to fly from London Heathrow Airport to Cancún for 23% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from London Heathrow Airport to Cancún one-way?

    To fly one-way, consider booking your trip with Avianca, which is currently one of the cheapest options available, starting at $611. WestJet flights start at $635 while deals on Aeromexico start at $881 one-way.

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

    The cheapest flight price from London Heathrow Airport to Cancún is $859. On average you can expect to pay $1,020. The most popular route, (London Heathrow - Cancun), can usually be booked for $732.

  • 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 vacation 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, January is the cheapest month in which you can book a flight from London Heathrow Airport to Cancún (average of $360). Flying from London Heathrow Airport to Cancún in March is currently the most expensive (average of $492). 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

Traveling to a place near Cancún?

Book flights to Cancún if you plan to visit one of these locations
Puerto Aventuras
Holbox
Punta Sam

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Heathrow to Cancún

See prices for flight routes from nearby airports that may be better suited for you.
Gatwick to Cancún flights

Top 2 airlines flying from Heathrow to Cancún

Discover the top 2 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 2,558,603 searches. Data last updated July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$640Average$801FlexibilityNo cancel feeOn-time71%
Virgin AtlanticCheapest$647Average$939FlexibilityNo cancel feeOn-time72%

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