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Cheap flights from Portsmouth to Cancún from £894

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CUN
2 Sep — 9 Sep1
1 adult

Cheap flight deals from Portsmouth to Cancún

Keep the following information in mind while searching for Portsmouth to Cancún flight deals. Data was last updated 28 August 2025.

Round-trip from

£894

Popular in

December

Cheapest in

September

Average price

£800
10/10-17/10
  • 10/10-17/10
  • 4 total stops
  • 50h 40m total
  • Portsmouth to Cancún
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£12 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
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Find flight deals from Portsmouth to Cancún

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 28 August 2025.

Fri 10/1017:35SOU - CUN
2 stops30h 05mMultiple Airlines
Fri 17/1013:10CUN - SOU
2 stops20h 35mMultiple Airlines
Deal found 26/8£894
Sat 11/1016:25SOU - CUN
2 stops32h 55mMultiple Airlines
Sat 18/1011:15CUN - SOU
2 stops26h 15mMultiple Airlines
Deal found 27/8£943
Thu 16/1019:55SOU - CUN
2 stops28h 00mBritish Airways
Thu 30/1012:30CUN - SOU
2 stops26h 10mBritish Airways
Deal found 27/8£1,709
Sun 23/1118:05SOU - CUN
2 stops48h 25mDelta
Sun 14/1216:24CUN - SOU
2 stops34h 46mDelta
Deal found 25/8£3,428
Sun 23/1118:05SOU - CUN
2 stops47h 30mDelta
Fri 12/1214:30CUN - SOU
2 stops21h 30mDelta
Deal found 25/8£3,528

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 28 August 2025.
Use the filters below to find and compare flights from Portsmouth to Cancún that are best for you.

Fly from

Portsmouth

Fly to

Cancún

Route

Depart

Return

Price

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Fri 10/10

17:35-17:40

2 stops30h 05m

Cancun

Fri 17/10

13:10-15:45

2 stops20h 35m

£894

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Sat 11/10

16:25-19:20

2 stops32h 55m

Cancun

Sat 18/10

11:15-19:30

2 stops26h 15m

£943

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Thu 16/10

19:55-17:55

2 stops28h 00m

Cancun

Thu 30/10

12:30-19:40

2 stops26h 10m

£1,709

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Tue 13/1

09:25-21:10

2 stops40h 45m

Cancun

Tue 10/2

13:40-17:00

2 stops22h 20m

£2,833

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Wed 14/1

17:30-21:10

2 stops32h 40m

Cancun

Mon 9/2

08:00-17:00

2 stops28h 00m

£2,833

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Sun 14/12

19:55-16:50

2 stops49h 55m

£1,249

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Mon 15/12

12:30-16:50

2 stops33h 20m

£1,249

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Sat 20/12

13:40-16:50

2 stops56h 10m

£1,561

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Thu 18/12

08:50-14:35

2 stops34h 45m

£1,671

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Wed 17/12

17:30-14:00

2 stops49h 30m

£1,671

Flights are sorted by cheapest return flights first.

Deals found on 27/8

Showing 1-10 of 12 results
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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 month to book a flight from Portsmouth to Cancún?

Currently, March is the cheapest month in which you can book a flight from Portsmouth to Cancún (average of £317). Flying from Portsmouth to Cancún in July is currently the most expensive (average of £985). 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 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 28 August 2025.

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 £477. On average you can expect to pay £1,426. The most popular route, (Southampton Eastleigh - Cancun), can usually be booked for £903.

  • 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.

  • What is the cheapest month to book a flight from Portsmouth to Cancún?

    Currently, March is the cheapest month in which you can book a flight from Portsmouth to Cancún (average of £317). Flying from Portsmouth to Cancún in July is currently the most expensive (average of £985). 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
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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 28 August 2025.
AirlineCheapestAverageFlexibilityOn-time
TUI AirwaysCheapest£256Average£523FlexibilityNo cancel feeOn-timeN/A
Search TUI Airways flights
IcelandairCheapest£443Average£530FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£455Average£639FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air EuropaCheapest£475Average£572FlexibilityNo cancel feeOn-time83%
Search Air Europa flights
Air FranceCheapest£475Average£649FlexibilityNo cancel feeOn-time77%
Search Air France flights
Air CanadaCheapest£476Average£602FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
KLMCheapest£477Average£678FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£494Average£602FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
DeltaCheapest£496Average£609FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
FinnairCheapest£499Average£621FlexibilityNo cancel feeOn-time76%
Search Finnair flights

Fly with Cheapflights

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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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