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Cancún

$545+ 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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CUN
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from London Heathrow to Cancun are usually found in March or January, booked 67 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 June 12, 2025.

Round-trip from

$638
(SWISS)

One-way from

$545
(Trip.com)

Popular in

December

Cheapest in

March

Average price

$847
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. 1% potential increase in price ($16 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 12, 2025.

This SWISS deal was found by Cheapflights users on 6/12. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/236:00 amLHR - CUN
1 stop17h 00mSWISS
Sat 9/136:30 pmCUN - LHR
1 stop15h 55mSWISS
Deal found 6/12$638
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Fri 9/54:25 pmLHR - CUN
1 stop24h 31mAmerican Airlines
Mon 9/152:45 pmCUN - LHR
1 stop12h 20mAmerican Airlines
Deal found 6/12$640
This Lufthansa deal was found by Cheapflights users on 6/12. 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.
Sat 8/236:00 amLHR - CUN
1 stop17h 00mMultiple Airlines
Sat 9/137:51 amCUN - LHR
2 stops16h 29mMultiple Airlines
Deal found 6/12$664
This British Airways deal was found by Cheapflights users on 6/11. 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.
Thu 11/68:20 amLHR - CUN
2 stops32h 00mBritish Airways
Sun 11/95:10 pmCUN - LHR
1 stop13h 30mBritish Airways
Deal found 6/11$685
This Delta deal was found by Cheapflights users on 6/11. 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.
Thu 9/119:55 amLHR - CUN
2 stops16h 07mDelta
Thu 9/181:45 pmCUN - LHR
2 stops15h 40mDelta
Deal found 6/11$687
This Virgin Atlantic deal was found by Cheapflights users on 6/12. 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.
Tue 9/236:15 amLHR - CUN
2 stops19h 47mVirgin Atlantic
Thu 10/28:15 amCUN - LHR
2 stops16h 30mVirgin Atlantic
Deal found 6/12$693
This Iberia deal was found by Cheapflights users on 6/10. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/106:45 pmLHR - CUN
2 stops35h 25mIberia
Wed 12/245:19 pmCUN - LHR
1 stop13h 11mIberia
Deal found 6/10$698
This Lufthansa deal was found by Cheapflights users on 6/12. 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.
Tue 9/210:00 amLHR - CUN
1 stop15h 20mLufthansa
Sat 9/137:51 amCUN - LHR
2 stops16h 29mLufthansa
Deal found 6/12$724
This Finnair deal was found by Cheapflights users on 6/11. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/26:10 pmLHR - CUN
2 stops31h 10mFinnair
Sun 11/161:05 pmCUN - LHR
2 stops21h 10mFinnair
Deal found 6/11$727
This KLM deal was found by Cheapflights users on 6/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/188:40 amLHR - CUN
2 stops17h 22mKLM
Sat 10/41:54 pmCUN - LHR
1 stop17h 16mKLM
Deal found 6/10$730
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Fri 6/204:40 pmLHR - CUN
2 stops23h 24mUnited Airlines
Thu 6/263:46 pmCUN - LHR
1 stop35h 54mUnited Airlines
Deal found 6/12$764
This Air Canada deal was found by Cheapflights users on 6/10. 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.
Sat 11/156:50 amLHR - CUN
2 stops20h 35mAir Canada
Mon 12/158:05 amCUN - LHR
1 stop22h 45mAir Canada
Deal found 6/10$804

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 June 12, 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

Sat 8/23

6:00 am-5:00 pm

1 stop17h 00m

Cancun

Sat 9/13

6:30 pm-4:25 pm

1 stop15h 55m

$638

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Fri 9/5

4:25 pm-10:56 am

1 stop24h 31m

Cancun

Mon 9/15

2:45 pm-9:05 am

1 stop12h 20m

$640

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Sat 8/23

6:00 am-5:00 pm

1 stop17h 00m

Cancun

Sat 9/13

7:51 am-6:20 am

2 stops16h 29m

$664

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Thu 11/6

8:20 am-11:20 am

2 stops32h 00m

Cancun

Sun 11/9

5:10 pm-11:40 am

1 stop13h 30m

$685

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Thu 9/11

9:55 am-8:02 pm

2 stops16h 07m

Cancun

Thu 9/18

1:45 pm-11:25 am

2 stops15h 40m

$687

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Tue 9/23

6:15 am-8:02 pm

2 stops19h 47m

Cancun

Thu 10/2

8:15 am-6:45 am

2 stops16h 30m

$693

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Mon 11/10

6:45 pm-1:10 am

2 stops35h 25m

Cancun

Wed 12/24

5:19 pm-11:30 am

1 stop13h 11m

$698

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Tue 9/2

10:00 am-7:20 pm

1 stop15h 20m

Cancun

Sat 9/13

7:51 am-6:20 am

2 stops16h 29m

$724

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Sun 11/2

6:10 pm-8:20 pm

2 stops31h 10m

Cancun

Sun 11/16

1:05 pm-3:15 pm

2 stops21h 10m

$727

LondonCancún

LHR - CUN

LHRCUN

London Heathrow

Thu 9/18

8:40 am-8:02 pm

2 stops17h 22m

Cancun

Sat 10/4

1:54 pm-1:10 pm

1 stop17h 16m

$730

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 18 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 June 9, 2025.

The best time to book flights from London Heathrow Airport to Cancún is 67 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 June 12, 2025.

A simple way to save on the total cost of your ticket is to fly from London Heathrow Airport to Cancún at noon. If you’re flexible enough to do this you can expect to save up to 20% on your trip compared to booking a flight in the afternoon.

Rainfall in Cancún by month

Plan your trip to Cancún by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Cancún ranges from 1.1 - 11.1 inches per month. October is typically the wettest month, when rainfall can reach 11.1 in. April is typically the driest time to visit Cancún when rainfall is around 1.1 in.

Temperature in Cancún by month

Plan your trip to Cancún by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Cancún, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 86.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 75.2 F).

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 June 12, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Finnair from London to Cancún to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
SWISS
7.5
Good
1,623 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 $638, SWISS will fly you from London Heathrow Airport to Cancún and back. In addition to SWISS, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and British Airways - these airlines can fly you to your destination from $640 and $685, respectively. You may be able to fly from London Heathrow Airport to Cancún for 28% 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 $756. WestJet flights start at $800 while deals on Turkish Airlines start at $997 one-way.

  • 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 London Heathrow Airport?

Book flights to London Heathrow Airport 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$647Average$784FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$765Average$986FlexibilityNo cancel feeOn-time71%

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