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Cheap flights from Cancún to London from £265

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 26/11. 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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Cheap return flights

JetBlue Logo
13:15 - 06:30CUN-LHR
35h 15m1 stop
JetBlue Logo
08:15 - 10:00LHR-CUN
31h 45m1 stop
£578JetBlue
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Sa, 13 Sep - Mo, 29 Sep
JetBlue Logo
13:15 - 06:30CUN-LHR
35h 15m1 stop
JetBlue Logo
08:15 - 13:15LHR-CUN
35h 00m1 stop
£579JetBlue
Find Deal
Sa, 13 Sep - So, 21 Sep
JetBlue Logo
11:20 - 20:45CUN-LHR
27h 25m1 stop
JetBlue Logo
08:15 - 10:00LHR-CUN
31h 45m1 stop
£585JetBlue
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Sa, 13 Sep - So, 21 Sep
JetBlue Logo
14:35 - 20:45CUN-LHR
24h 10m1 stop
JetBlue Logo
08:25 - 11:55LHR-CUN
33h 30m1 stop
£595JetBlue
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Sa, 11 Okt - Fr, 17 Okt
Air Canada Logo
08:00 - 11:50CUN-LHR
22h 50m1 stop
Air Canada Logo
06:50 - 22:40LHR-CUN
20h 50m2 stops
£620Air Canada
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Di, 25 Nov - Di, 9 Dez
Air Canada Logo
08:00 - 11:50CUN-LHR
22h 50m1 stop
Air Canada Logo
06:50 - 22:40LHR-CUN
20h 50m2 stops
£622Air Canada
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Di, 25 Nov - Di, 9 Dez
Logo
14:07 - 06:30CUN-LHR
34h 23m3 stops
Logo
06:00 - 09:20LHR-CUN
33h 20m3 stops
£632
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Sa, 20 Sep - Di, 23 Sep
Logo
09:14 - 07:15CUN-LHR
16h 01m1 stop
Logo
13:05 - 08:09LHR-CUN
25h 04m2 stops
£636
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Mi, 13 Aug - Mi, 20 Aug
TAP AIR PORTUGAL Logo
20:10 - 21:35CUN-LHR
20h 25m1 stop
TAP AIR PORTUGAL Logo
06:00 - 18:40LHR-CUN
17h 40m1 stop
£642TAP AIR PORTUGAL
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Do, 25 Dez - Sa, 10 Jan
Icelandair Logo
15:40 - 20:45CUN-LHR
23h 05m2 stops
Icelandair Logo
08:15 - 11:55LHR-CUN
33h 40m2 stops
£671Icelandair
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Di, 26 Aug - Mi, 10 Sep

SWISS flights from Cancún to London Heathrow Airport

Our best SWISS deals on Cancún to London Heathrow Airport flight tickets
SWISS
6 Aug
CUN18:30Cancun
18h 50m
1 stop
LHR19:20London Heathrow
25 Sept
LHR06:00London Heathrow
16h 55m
1 stop
CUN16:55Cancun
£751
Find similar
SWISS
6 Aug
CUN18:30Cancun
15h 55m
1 stop
LHR16:25London Heathrow
26 Sept
LHR07:00London Heathrow
40h 00m
2 stops
CUN17:00Cancun
£768
Find similar
SWISS
6 Aug
CUN18:30Cancun
16h 05m
2 stops
LHR16:35London Heathrow
25 Sept
LHR06:00London Heathrow
16h 55m
1 stop
CUN16:55Cancun
£776
Find similar

Air Canada flights from Cancún to London Heathrow Airport

Our best Air Canada deals on Cancún to London Heathrow Airport flight tickets
Air Canada
25 Nov
CUN08:00Cancun
22h 50m
1 stop
LHR11:50London Heathrow
9 Dec
LHR06:50London Heathrow
20h 50m
2 stops
CUN22:40Cancun
£620
Find similar
Air Canada
25 Nov
CUN08:00Cancun
22h 50m
1 stop
LHR11:50London Heathrow
9 Dec
LHR06:50London Heathrow
20h 50m
2 stops
CUN22:40Cancun
£622
Find similar
Air Canada
25 Nov
CUN08:00Cancun
22h 50m
1 stop
LHR11:50London Heathrow
9 Dec
LHR14:30London Heathrow
21h 30m
1 stop
CUN07:00Cancun
£628
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momondo Fare Finder

 
Customise your flight search to find flights from Cancún to London Heathrow Airport 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 279,928 searches. Data last updated 1 August 2025.
Use the filters below to find and compare flights from Cancún to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Sa 13/9

13:15-06:30

1 stop35h 15m

London Heathrow

Mo 29/9

08:15-10:00

1 stop31h 45m

£578

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Sa 13/9

13:15-06:30

1 stop35h 15m

London Heathrow

So 21/9

08:15-13:15

1 stop35h 00m

£579

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Sa 13/9

11:20-20:45

1 stop27h 25m

London Heathrow

So 21/9

08:15-10:00

1 stop31h 45m

£585

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Sa 11/10

14:35-20:45

1 stop24h 10m

London Heathrow

Fr 17/10

08:25-11:55

1 stop33h 30m

£595

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Di 25/11

08:00-11:50

1 stop22h 50m

London Heathrow

Di 9/12

06:50-22:40

2 stops20h 50m

£620

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Di 25/11

08:00-11:50

1 stop22h 50m

London Heathrow

Di 9/12

06:50-22:40

2 stops20h 50m

£622

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Sa 20/9

14:07-06:30

3 stops34h 23m

London Heathrow

Di 23/9

06:00-09:20

3 stops33h 20m

£632

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Mi 13/8

09:14-07:15

1 stop16h 01m

London Heathrow

Mi 20/8

13:05-08:09

2 stops25h 04m

£636

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Do 25/12

20:10-21:35

1 stop20h 25m

London Heathrow

Sa 10/1

06:00-18:40

1 stop17h 40m

£642

CancúnLondon

CUN - LHR

CUNLHR

Cancun

Di 26/8

15:40-20:45

2 stops23h 05m

London Heathrow

Mi 10/9

08:15-11:55

2 stops33h 40m

£671

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Cancún to London Heathrow Airport

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 cheapest month to fly to London Heathrow Airport?

In general, March is the cheapest month to fly from Cancún to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £573. The month of January is another great option to travel to London Heathrow Airport, with average flight prices from Cancún averaging around £648.

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

On average, the least expensive day to fly to London Heathrow Airport from Cancún is on a Friday. momondo users have found tickets for Friday departures for as low as £646. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Tuesday is £1,201.

What is the cheapest Cancun to London Heathrow flight route?

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

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from Cancún when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £805 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Cancún for as low as £601 on momondo.

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

There are 1 cabin classes available to choose from on Cancun to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Cancún to London Heathrow Airport flight prices changed over time?

As of August 2025, prices for Cancún to London Heathrow Airport flights are approximately 29% more expensive when compared to flights at the same time last year.

When to book flights from Cancún to London Heathrow Airport

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

Cheap Cancún to London Heathrow Airport (CUN to LHR) flight deals and tips

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

Best price found

£265

Fastest flight time

9h 20m

Direct flights

Mon, Thu and Sat
The best one-way flight to London Heathrow Airport from Cancún in the past 72 hours is £265. The best return flight deal from Cancún to London Heathrow Airport found on momondo in the last 72 hours is £578.
The fastest flight from Cancún to London Heathrow Airport takes 9h 20m
Direct flights go from Cancún to London Heathrow Airport on Monday, Thursday and Saturday. Airline offering direct flights is Virgin Atlantic..
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  • How far is Cancun to London Heathrow by plane?

    There are 4929.2 mi between Cancun and London Heathrow. In terms of flight time, this usually takes a little over 13h 35m.

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

    Prices for flights from Cancun Airport to London Heathrow Airport refresh daily.

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

    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 Heathrow Airport.

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

    The required travel and health documents for your London Heathrow Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

Travelling to a place near London?

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Stratford-upon-Avon
Ipswich
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Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Cancún to London. momondo saves you time and could save you money on your trip.

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

Yes. All flights to London from Cancún on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between Cancún and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Cancún and alert you when they change.

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