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Cheap flights from Portsmouth to Cancún from £749

LHR — CUN
8 Oct — 15 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portsmouth to Cancún

Enter your travel dates to find the best prices.

Cheapest flights from Portsmouth to Cancún

Mon 5/1009:20 -
2 stops16h 41m
Mon 19/1012:35 -
2 stops24h 55m
Deal found 7/9£749
Mon 23/1119:55 -
2 stops26h 00m
Mon 30/1113:45 -
2 stops24h 45m
Deal found 6/9£751
Mon 7/1219:55 -
2 stops26h 00m
Mon 21/1218:40 -
2 stops19h 45m
Deal found 7/9£752
Mon 12/1017:20 -
2 stops32h 35m
Mon 26/1021:00 -
2 stops15h 05m
Deal found 5/9£795
Fri 4/1219:55 -
2 stops50h 00m
Fri 18/1218:50 -
2 stops38h 40m
Deal found 4/9£813
Mon 19/1017:20 -
2 stops26h 45m
Sat 24/1020:50 -
1 stop31h 00m
Deal found 7/9£865
Mon 12/1020:00 -
3 stops28h 50m
Mon 26/1012:50 -
3 stops25h 40m
Deal found 5/9£882
Sat 5/1210:15 -
2 stops35h 40m
Sat 19/1218:40 -
2 stops20h 40m
Deal found 5/9£895
Thu 22/1017:20 -
2 stops30h 20m
Thu 29/1016:55 -
1 stop19h 10m
Deal found 7/9£928

Find flight deals from Portsmouth to Cancún

Round-trip from

£749

Popular in

August

Cheapest in

February

Average price

£570
British Airways
  • British Airways
  • 5/10-19/10
  • 4 total stops
  • 41h 36m total
  • Portsmouth to Cancún
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£60 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
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Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Portsmouth to Cancún that are best for you.

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Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

SouthamptonCancún

SOU Southampton Eastleigh - CUN Cancun

SOUCUN

Southampton Eastleigh

Mon 5/10

09:20-20:01

2 stops16h 41m

Cancun

Mon 19/10

12:35-19:30

2 stops24h 55m

£749

SouthamptonCancún

SOU Southampton Eastleigh - CUN Cancun

SOUCUN

Southampton Eastleigh

Mon 23/11

19:55-16:55

2 stops26h 00m

Cancun

Mon 30/11

13:45-19:30

2 stops24h 45m

£751

SouthamptonCancún

SOU Southampton Eastleigh - CUN Cancun

SOUCUN

Southampton Eastleigh

Thu 4/3

08:55-16:55

2 stops37h 00m

Cancun

Thu 18/3

12:20-08:50

2 stops15h 30m

£757

SouthamptonCancún

SOU Southampton Eastleigh - CUN Cancun

SOUCUN

Southampton Eastleigh

Fri 5/3

19:55-16:55

2 stops50h 00m

Cancun

Fri 19/3

12:20-08:45

2 stops15h 25m

£811

SouthamptonCancún

SOU Southampton Eastleigh - CUN Cancun

SOUCUN

Southampton Eastleigh

Fri 4/12

19:55-16:55

2 stops50h 00m

Cancun

Fri 18/12

18:50-14:30

2 stops38h 40m

£813

SouthamptonCancún

SOU Southampton Eastleigh - CUN Cancun

SOUCUN

Southampton Eastleigh

Mon 19/10

20:00-18:50

3 stops28h 50m

Cancun

Sat 24/10

13:00-12:55

2 stops17h 55m

£873

SouthamptonCancún

SOU Southampton Eastleigh - CUN Cancun

SOUCUN

Southampton Eastleigh

Thu 22/10

17:20-17:40

2 stops30h 20m

Cancun

Thu 29/10

14:15-17:05

2 stops21h 50m

£949

SouthamptonCancún

SOU Southampton Eastleigh - CUN Cancun

SOUCUN

Southampton Eastleigh

Sun 18/10

17:20-12:30

2 stops49h 10m

Cancun

Sun 25/10

10:35-11:55

2 stops20h 20m

£952

SouthamptonCancún

SOU Southampton Eastleigh - CUN Cancun

SOUCUN

Southampton Eastleigh

Wed 23/12

17:30-11:00

2 stops46h 30m

Cancun

Thu 31/12

13:35-08:55

2 stops38h 20m

£1,144

Flights are sorted by cheapest return flights first.

Deals found on 7/9

Sorted by cheapest first

Best time to book a flight from Portsmouth to Cancún

Have a flexible travel schedule? Discover the best time to fly to Cancún from Portsmouth with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Portsmouth to Cancún

What is the cheapest time of day to fly from P0R to CUN?

When flying from Portsmouth to Cancún, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

  • What airport do you fly into for flights to Cancún from Portsmouth?

    Cancun (CUN), located 8.9 mi from the city center, is the airport you fly into when you book flights from Portsmouth to Cancún. 16 airlines have flights to Cancun from Portsmouth on a regular basis. Booking flights from Portsmouth to Cancun should not be difficult; the airport handles an average of 0 inbound flights from Portsmouth per day.

  • How long is the flight from Portsmouth to Cancún?

    British Airways can get you from Portsmouth to Cancún in just under 16h 41m. Your travel time can differ by up to . The distance between Portsmouth and Cancún is about 4906 mi.

  • What are the cheapest flights from Portsmouth to Cancún?

    The cheapest flight price from Portsmouth to Cancún is £522. On average you can expect to pay £688. The most popular route, (Southampton Eastleigh - Cancun), can usually be booked for £749.

  • Can I find deals for flights from Portsmouth to Cancún that include hotel bookings?

    Yes. In addition to deals on Portsmouth to Cancún flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Portsmouth to Cancún?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portsmouth to Cancún.

  • Can I find deals for business class flights from Portsmouth to Cancún?

    Yes. Cheapflights offers flight deals from Portsmouth 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.

See more FAQs

Travelling to a place near Cancún?

Book flights to Cancún if you plan to visit one of these locations
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Top 10 airlines flying from Portsmouth to Cancún

AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£253Average£676FlexibilityNo cancel feeOn-time75%
Search KLM flights
TUI AirwaysCheapest£272Average£477FlexibilityNo cancel feeOn-timeN/A
Search TUI Airways flights
British AirwaysCheapest£447Average£667FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air CanadaCheapest£449Average£664FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Virgin AtlanticCheapest£455Average£620FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
American AirlinesCheapest£480Average£730FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
LufthansaCheapest£484Average£758FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Aer LingusCheapest£491Average£591FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air TransatCheapest£493Average£655FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
FinnairCheapest£495Average£810FlexibilityNo cancel feeOn-time76%
Search Finnair flights

Fly with Cheapflights

How does Cheapflights help users find flights from Portsmouth to Cancún?

Cheapflights helps you search for flights from Portsmouth to Cancún via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights simply makes it quick and affordable to book flights from Portsmouth to Cancún by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Portsmouth to Cancún with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Portsmouth to Cancún flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Portsmouth to Cancún become cheaper?

Yes, Cheapflights offers price alerts on Portsmouth to Cancún flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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