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Cheap flights from Cancún to London from $339

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Cancún to London departing on 1/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Cancún to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:13 am - 10:00 am
CUN
-
LGW
18h 47m1 stop
Multiple Airlines Logo
2:00 pm - 9:13 am
LGW
-
CUN
24h 13m1 stop
$626Multiple Airlines
Fri, Jan 16 - Sat, Jan 24
Multiple Airlines Logo
10:13 am - 10:00 am
CUN
-
LGW
18h 47m1 stop
Multiple Airlines Logo
2:00 pm - 9:13 am
LGW
-
CUN
24h 13m1 stop
$654Multiple Airlines
Thu, Jan 29 - Thu, Feb 5
Multiple Airlines Logo
9:13 am - 10:00 am
CUN
-
LGW
19h 47m1 stop
Multiple Airlines Logo
2:00 pm - 8:12 am
LGW
-
CUN
24h 12m1 stop
$717Multiple Airlines
Wed, Mar 25 - Tue, Apr 7
Multiple Airlines Logo
9:13 am - 10:00 am
CUN
-
LGW
19h 47m1 stop
Multiple Airlines Logo
2:00 pm - 8:12 am
LGW
-
CUN
24h 12m1 stop
$755Multiple Airlines
Wed, Mar 25 - Mon, Apr 6
Multiple Airlines Logo
9:13 am - 10:00 am
CUN
-
LGW
19h 47m1 stop
Multiple Airlines Logo
2:00 pm - 8:12 am
LGW
-
CUN
24h 12m1 stop
$788Multiple Airlines
Thu, Mar 26 - Mon, Apr 6
TAP AIR PORTUGAL Logo
8:10 pm - 10:40 pm
CUN
-
LHR
21h 30m1 stop
TAP AIR PORTUGAL Logo
8:15 am - 6:40 pm
LHR
-
CUN
15h 25m1 stop
$853TAP AIR PORTUGAL
Thu, Jan 29 - Fri, Feb 6
TAP AIR PORTUGAL Logo
8:10 pm - 10:40 pm
CUN
-
LHR
21h 30m1 stop
TAP AIR PORTUGAL Logo
8:15 am - 6:40 pm
LHR
-
CUN
15h 25m1 stop
$854TAP AIR PORTUGAL
Thu, Jan 15 - Fri, Jan 23
TAP AIR PORTUGAL Logo
8:10 pm - 6:55 pm
CUN
-
LHR
17h 45m1 stop
TAP AIR PORTUGAL Logo
6:00 am - 6:40 pm
LHR
-
CUN
17h 40m1 stop
$859TAP AIR PORTUGAL
Thu, Jan 15 - Fri, Jan 23
JetBlue Logo
10:50 am - 9:30 am
CUN
-
LHR
16h 40m1 stop
JetBlue Logo
8:15 am - 6:00 pm
LHR
-
CUN
15h 45m1 stop
$897JetBlue
Mon, May 4 - Wed, May 20
JetBlue Logo
7:08 pm - 8:45 pm
CUN
-
LHR
19h 37m1 stop
JetBlue Logo
8:15 am - 6:00 pm
LHR
-
CUN
15h 45m1 stop
$913JetBlue
Mon, May 4 - Tue, May 19

United Airlines flights from Cancún to London

Our best United Airlines deals on Cancún to London flight tickets
United Airlines
Dec 30
CUN8:39 amCancun
17h 51m
1 stop
LHR7:30 amLondon Heathrow
Jan 8
LHR12:05 pmLondon Heathrow
30h 29m
1 stop
CUN1:34 pmCancun
$976
Find similar
United Airlines
Dec 29
CUN7:45 amCancun
19h 45m
2 stops
LHR8:30 amLondon Heathrow
Jan 8
LHR3:10 pmLondon Heathrow
25h 15m
2 stops
CUN11:25 amCancun
$983
Find similar
United Airlines
Jan 22
CUN12:35 pmCancun
15h 35m
2 stops
LHR9:10 amLondon Heathrow
Jan 31
LHR11:35 amLondon Heathrow
24h 54m
2 stops
CUN7:29 amCancun
$985
Find similar

Delta flights from Cancún to London

Our best Delta deals on Cancún to London flight tickets
Delta
Mar 12
CUN8:00 amCancun
17h 20m
2 stops
LHR6:20 amLondon Heathrow
Mar 31
LHR3:15 pmLondon Heathrow
24h 45m
1 stop
CUN10:00 amCancun
$1,069
Find similar
Delta
Dec 27
CUN11:25 amCancun
15h 15m
2 stops
LHR7:40 amLondon Heathrow
Jan 7
LHR1:05 pmLondon Heathrow
25h 50m
2 stops
CUN9:55 amCancun
$1,675
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Cancún to London 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, momondo users made 832,500 searches. Data last updated December 15, 2025.
Use the filters below to find and compare flights from Cancún to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CancúnLondon

CUN - LGW

CUNLGW

Cancun

Fri 1/16

10:13 am-10:00 am

1 stop18h 47m

London Gatwick

Sat 1/24

2:00 pm-9:13 am

1 stop24h 13m

$626

CancúnLondon

CUN - LGW

CUNLGW

Cancun

Thu 1/29

10:13 am-10:00 am

1 stop18h 47m

London Gatwick

Thu 2/5

2:00 pm-9:13 am

1 stop24h 13m

$654

CancúnLondon

CUN - LGW

CUNLGW

Cancun

Wed 3/25

9:13 am-10:00 am

1 stop19h 47m

London Gatwick

Tue 4/7

2:00 pm-8:12 am

1 stop24h 12m

$717

CancúnLondon

CUN - LGW

CUNLGW

Cancun

Wed 3/25

9:13 am-10:00 am

1 stop19h 47m

London Gatwick

Mon 4/6

2:00 pm-8:12 am

1 stop24h 12m

$755

CancúnLondon

CUN - LGW

CUNLGW

Cancun

Thu 3/26

9:13 am-10:00 am

1 stop19h 47m

London Gatwick

Mon 4/6

2:00 pm-8:12 am

1 stop24h 12m

$788

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Thu 1/29

8:10 pm-10:40 pm

1 stop21h 30m

London Heathrow

Fri 2/6

8:15 am-6:40 pm

1 stop15h 25m

$853

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Thu 1/15

8:10 pm-10:40 pm

1 stop21h 30m

London Heathrow

Fri 1/23

8:15 am-6:40 pm

1 stop15h 25m

$854

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Thu 1/15

8:10 pm-6:55 pm

1 stop17h 45m

London Heathrow

Fri 1/23

6:00 am-6:40 pm

1 stop17h 40m

$859

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Mon 5/4

10:50 am-9:30 am

1 stop16h 40m

London Heathrow

Wed 5/20

8:15 am-6:00 pm

1 stop15h 45m

$897

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Mon 5/4

7:08 pm-8:45 pm

1 stop19h 37m

London Heathrow

Tue 5/19

8:15 am-6:00 pm

1 stop15h 45m

$913

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Cancún to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Cancún and London?

What is the cheapest month to fly to London?

The cheapest month to fly to London from Cancún is in February. Flight prices, which tend to average around $899, are often lower during this time because this is during the off-season. The month of March is another great option to travel to London, with average flight prices from Cancún averaging around $931.

What is the cheapest day to depart on your flight to London?

The cheapest day to depart from Cancún to London is on a Monday. Travelers who choose to depart for London on a Monday will often find tickets for as low as $1,050. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,412. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

What is the cheapest time of day to depart on your flight to London?

Flying to London from Cancún in the morning is the least expensive time of day to depart. momondo users have found prices as low as $933 when looking at flights departing in the morning. Flights to London are more costly in the afternoon, with an average ticket price of $1,199. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Cancun to London flight route?

Fly from Cancun to London Heathrow for the best Cancun - London flight prices

What cabin class options are available on Cancun to London flights?

There are 3 cabin classes available to choose from on Cancun to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Cancún to London flights?

You could potentially save up to 11% on your flight if you consider stops on a Cancún to London flight.

How have Cancún to London flight prices changed over time?

As of December 2025, prices for Cancún to London flights are approximately 3% cheaper when compared to flights at the same time last year.

When to book flights from Cancún to London

Are you open to changing your travel dates? Check out the ideal times to fly from Cancún to London according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Cancún to London (CUN to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Cancún to London

Fastest flight time

9h 20m

Direct flights

Every day

Airports in London

6 airports
The fastest flight from Cancún to London takes 9h 20m
Direct flights go from Cancún to London every day.
There are 6 airports in London. From Cancún there are direct flights to London Gatwick (LGW).
Search flight deals

  • How far is Cancun to London by plane?

    A flight from Cancun to London will travel around 4942.8 mi. Flights usually cover this in 9h 20m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Cancun Airport to London?

    Prices for flights from Cancun Airport to London refresh daily.

  • How many operators does momondo search for flights from Cancun Airport to London?

  • How old do you have to be to fly from Cancun Airport to London?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Cancun Airport to London.

  • What documentation or ID do you need to fly to London?

    The necessary travel and health documents for your London trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Cancún to London?

  • What is the most popular airline from Cancún to London?

Best airlines flying from Cancún to London

Compare and see reviews for airlines that fly from Cancún to London with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $871Free CancellationRating
6.7
7,578 reviews
Search British Airways flights
Air CanadaPriceFrom $1,245Free CancellationRating
7.1
10,527 reviews
Search Air Canada flights

  • British Airways Flights From Cancún to London

    The lowest priced British Airways flight from Cancún to London from the last 72 hours was $871. Generally, British Airways has 7 flights on this route every week with an average price of $1,412. British Airways is rated 6.7/10 by our users.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Dover
Luton
Slough
Guildford
Hayes
Dartford
Crawley
Brentwood
Wembley
Watford
Ilford
Cobham
Folkestone
Romford
Richmond
Uxbridge
Stansted

Why use momondo?

Why should I use momondo to find a flight deal from Cancún to London?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Cancún to London. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Cancún to London with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to London from Cancún with this policy.

How can momondo help me find flights from Cancún to London?

Once all potential Cancún to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Cancún to London right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to London from Cancún. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your London trip

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport