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Cheap flights from Portsmouth to Cancún from £756

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CUN
12 Jun — 19 Jun1
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
Explore the most affordable flight options available from Portsmouth to Cancún. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 May 2026.

Sat 20/606:45
SOU
-
CUN
2 stops20h 25m
Multiple Airlines
Sat 27/622:10
CUN
-
SOU
1 stop28h 25m
Multiple Airlines
Deal found 9/5£756
Tue 10/1115:15
SOU
-
CUN
2 stops30h 40m
British Airways
Tue 24/1113:20
CUN
-
SOU
2 stops25h 10m
British Airways
Deal found 12/5£918
Thu 9/718:05
SOU
-
CUN
2 stops47h 30m
Delta
Mon 20/708:00
CUN
-
SOU
2 stops18h 45m
Delta
Deal found 12/5£956
Mon 9/1119:55
SOU
-
CUN
2 stops26h 00m
British Airways
Mon 23/1113:20
CUN
-
SOU
2 stops25h 10m
British Airways
Deal found 11/5£961
Thu 9/718:05
SOU
-
CUN
2 stops47h 30m
Delta
Sat 18/708:00
CUN
-
SOU
2 stops18h 45m
Delta
Deal found 12/5£985
Tue 14/709:15
SOU
-
CUN
2 stops32h 25m
Delta
Sat 18/715:36
CUN
-
SOU
2 stops35h 09m
Delta
Deal found 12/5£986

Find flight deals from Portsmouth to Cancún

Keep the following information in mind while searching for Portsmouth to Cancún flight deals. Data was last updated 13 May 2026.

Round-trip from

£756

Popular in

July

Cheapest in

February

Average price

£646
20/6-27/6
  • 20/6-27/6
  • 3 total stops
  • 48h 50m total
  • Portsmouth to Cancún
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£67 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portsmouth 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 858,174 searches. Data last updated 13 May 2026.
Use the filters below to find and compare flights from Portsmouth to Cancún that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Sat 20/6

09:15-21:10

1 stop17h 55m

Cancun

Sat 27/6

22:10-08:35

1 stop28h 25m

£780

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Tue 14/7

09:15-11:40

2 stops32h 25m

Cancun

Sun 19/7

15:36-08:45

2 stops35h 09m

£956

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Mon 9/11

19:55-16:55

2 stops26h 00m

Cancun

Mon 23/11

13:20-19:30

2 stops25h 10m

£961

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Sat 20/6

17:20-17:40

2 stops30h 20m

Cancun

Sat 27/6

20:15-08:35

2 stops30h 20m

£994

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Tue 26/5

17:20-20:16

2 stops32h 56m

Cancun

Mon 8/6

14:05-08:35

2 stops36h 30m

£998

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Mon 25/5

17:20-20:16

2 stops32h 56m

Cancun

Tue 9/6

12:50-08:35

2 stops37h 45m

£998

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Thu 28/5

17:20-20:16

2 stops32h 56m

Cancun

Wed 10/6

12:50-16:50

2 stops22h 00m

£998

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Tue 9/6

19:55-17:55

2 stops28h 00m

Cancun

Tue 23/6

12:04-19:30

2 stops25h 26m

£1,010

Flights are sorted by cheapest return flights first.

Deals found on 8/5

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
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 Portsmouth to Cancún

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

Find hourly flight availability from Portsmouth 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 13 May 2026.

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

Find useful and relevant information for your journey from Portsmouth 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 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.

  • What are the cheapest flights from Portsmouth to Cancún?

    The cheapest flight price from Portsmouth to Cancún is £605. On average you can expect to pay £934. The most popular route, (Southampton Eastleigh - Cancun), can usually be booked for £847.

  • 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
Holbox

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Top 10 airlines flying from Portsmouth to Cancún

Discover the top 10 airlines that operate flights from Portsmouth 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 858,174 searches. Data last updated 13 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Air EuropaCheapest£250Average£608FlexibilityNo cancel feeOn-time83%
Search Air Europa flights
KLMCheapest£253Average£675FlexibilityNo cancel feeOn-time75%
Search KLM flights
TUI AirwaysCheapest£271Average£302FlexibilityNo cancel feeOn-timeN/A
Search TUI Airways flights
British AirwaysCheapest£436Average£623FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapest£442Average£583FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air CanadaCheapest£448Average£580FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Virgin AtlanticCheapest£455Average£610FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
American AirlinesCheapest£488Average£728FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
FinnairCheapest£489Average£723FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Air TransatCheapest£493Average£654FlexibilityNo cancel feeOn-time50%
Search Air Transat flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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