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Cheap flights from Cancún to London Heathrow Airport from £301

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 14/6. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — LHR
5 May — 12 May1
1 adult

Cheapflights Tip: The best prices from Cancun to London Heathrow are usually found in March or January, booked 10 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 30 April 2025.

Round-trip from

£615

One-way from

£301

Popular in

July

Cheapest in

March

Average price

£846
JetBlue
  • JetBlue
  • 4/10-12/10
  • 2 total stops
  • 31h 25m total
  • Cancún to London
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14/6
  • 14/6
  • 3 total stops
  • 27h 25m total
  • Cancún to London
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£122 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£15 potential savings vs. average return price).
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Average for round-trip flights in April 2025
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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 30 April 2025.

Tue 28/1014:50CUN - LHR
1 stop13h 40mJetBlue
Wed 12/1112:20LHR - CUN
1 stop15h 45mJetBlue
Deal found 29/4£593
Fri 6/616:55CUN - LHR
1 stop21h 10mMultiple Airlines
Tue 10/606:45LHR - CUN
2 stops18h 15mMultiple Airlines
Deal found 29/4£644
Tue 25/1112:15CUN - LHR
1 stop13h 55mAir Canada
Tue 9/1214:30LHR - CUN
1 stop27h 25mAir Canada
Deal found 29/4£661
Mon 12/508:20CUN - LHR
1 stop19h 30mTurkish Airlines
Mon 26/511:20LHR - CUN
1 stop31h 05mTurkish Airlines
Deal found 29/4£694
Tue 25/1108:10CUN - LHR
2 stops17h 55mDelta
Tue 9/1212:10LHR - CUN
1 stop13h 52mDelta
Deal found 29/4£695
Tue 28/1012:29CUN - LHR
1 stop18h 11mVirgin Atlantic
Wed 12/1109:55LHR - CUN
Nonstop11h 05mVirgin Atlantic
Deal found 29/4£717
Tue 3/616:55CUN - LHR
1 stop37h 10mWestJet
Tue 10/614:10LHR - CUN
1 stop31h 47mWestJet
Deal found 29/4£737
Tue 3/612:50CUN - LHR
1 stop14h 00mAir France
Mon 9/606:15LHR - CUN
1 stop18h 00mAir France
Deal found 29/4£777
Thu 22/507:44CUN - LHR
1 stop26h 16mAeromexico
Sat 29/1122:30LHR - CUN
1 stop16h 03mAeromexico
Deal found 28/4£804
Wed 21/515:05CUN - LHR
1 stop12h 20mBritish Airways
Fri 28/1106:25LHR - CUN
2 stops33h 55mBritish Airways
Deal found 28/4£833
Tue 27/507:51CUN - LHR
2 stops16h 29mUnited Airlines
Tue 3/611:05LHR - CUN
2 stops17h 02mUnited Airlines
Deal found 29/4£837
Wed 21/510:35CUN - LHR
1 stop18h 30mIberia
Wed 26/1110:45LHR - CUN
2 stops30h 05mIberia
Deal found 28/4£842

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 30 April 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

Sat 4/10

11:20-09:30

1 stop16h 10m

London Heathrow

Sun 12/10

08:15-17:30

1 stop15h 15m

£615

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Fri 6/6

16:55-20:05

1 stop21h 10m

London Heathrow

Tue 10/6

06:45-19:00

2 stops18h 15m

£644

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Mon 12/5

08:20-09:50

1 stop19h 30m

London Heathrow

Mon 26/5

11:20-12:25

1 stop31h 05m

£694

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Tue 26/8

14:00-10:00

1 stop14h 00m

London Heathrow

Wed 10/9

09:30-19:40

2 stops16h 10m

£700

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Wed 4/6

08:00-06:45

2 stops16h 45m

London Heathrow

Wed 11/6

06:30-20:20

2 stops19h 50m

£729

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Tue 27/5

20:35-16:35

1 stop14h 00m

London Heathrow

Tue 3/6

06:15-20:20

2 stops20h 05m

£736

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Tue 3/6

16:55-12:05

1 stop37h 10m

London Heathrow

Tue 10/6

14:10-15:57

1 stop31h 47m

£737

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Tue 3/6

12:50-08:50

1 stop14h 00m

London Heathrow

Mon 9/6

06:15-18:15

1 stop18h 00m

£777

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Thu 22/5

07:44-16:00

1 stop26h 16m

London Heathrow

Sat 29/11

22:30-09:33

1 stop16h 03m

£804

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Wed 21/5

15:05-09:25

1 stop12h 20m

London Heathrow

Fri 28/11

06:25-11:20

2 stops33h 55m

£833

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 24 results
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2
3

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 25 April 2025.

The best time to book flights from Cancún to London Heathrow Airport is 10 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 30 April 2025.

It’s optimal to fly from Cancún to London Heathrow Airport in the morning. By choosing this option you can save up to 16% on the cost of your flight, compared to a flight at midday.

Rainfall in Heathrow by month

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

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

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

If weather is an important factor for your trip to London Heathrow Airport, 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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 30 April 2025.
Peruse reviews from past customers who have flown with Delta, Finnair and Aeromexico from Cancún to London to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,936 reviews
Check prices

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very Good
7,936 reviews
Delta
8.0
Very Good
7,936 reviews
Check prices

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,273 reviews
Delta
8.0
Very Good
7,936 reviews
Check prices

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Aeromexico
7.5
Good
1,698 reviews
Delta
8.0
Very Good
7,936 reviews
Check prices

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,446 reviews
Delta
8.0
Very Good
7,936 reviews
Check prices

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very Good
7,936 reviews
Check prices

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 £615. Additional return tickets that might be worth considering are offered by Turkish Airlines and Air Canada, with the lowest prices starting at £694 and £700, respectively. JetBlue is priced at 23% lower than the current average price of a flight leaving 3 months from now.

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

    For one-way options, check prices for JetBlue. According to our data, you can fly for as low as £335. Users have also found prices from £362 and £381 on WestJet and Avianca, respectively.

  • 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 Cancún?

Book flights to Cancún if you plan to visit one of these locations
Deal
Hounslow
Milton Keynes
Gatwick
Luton
Slough
Croydon
Eastbourne
Northampton
Ilford
Hayes
Southend-on-Sea
Crawley
Wembley
Ipswich
Maidstone
Winchester
Swindon
Folkestone
Dartford

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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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Cancún to Luton flights

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

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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.

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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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