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Cheap flights from Portsmouth to Cancún from £446

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CUN
18 Apr — 25 Apr1
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 19 March 2026.

Wed 29/409:05
SOU
-
CUN
2 stops17h 10m
KLM
Wed 6/513:30
CUN
-
SOU
2 stops21h 20m
KLM
Deal found 15/3£770
Wed 29/409:05
SOU
-
CUN
2 stops17h 10m
Delta
Wed 6/508:00
CUN
-
SOU
2 stops26h 50m
Delta
Deal found 15/3£783
Wed 29/409:20
SOU
-
CUN
1 stop15h 45m
Multiple Airlines
Wed 6/519:40
CUN
-
SOU
2 stops31h 00m
Multiple Airlines
Deal found 15/3£846
Mon 14/919:55
SOU
-
CUN
2 stops28h 40m
British Airways
Mon 28/912:30
CUN
-
SOU
2 stops25h 00m
British Airways
Deal found 16/3£858
Fri 1/509:25
SOU
-
CUN
2 stops38h 15m
Multiple Airlines
Fri 8/516:25
CUN
-
SOU
1 stop16h 05m
Multiple Airlines
Deal found 17/3£863
Wed 15/419:55
SOU
-
CUN
2 stops28h 05m
British Airways
Wed 29/413:00
CUN
-
SOU
2 stops24h 30m
British Airways
Deal found 18/3£920
Tue 14/419:55
SOU
-
CUN
2 stops28h 05m
British Airways
Tue 28/411:01
CUN
-
SOU
2 stops26h 29m
British Airways
Deal found 17/3£971
Tue 31/317:20
SOU
-
CUN
2 stops32h 54m
Delta
Mon 13/415:35
CUN
-
SOU
2 stops35h 00m
Delta
Deal found 17/3£977
Wed 17/619:55
SOU
-
CUN
2 stops28h 00m
British Airways
Wed 1/713:50
CUN
-
SOU
2 stops21h 00m
British Airways
Deal found 18/3£977

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 19 March 2026.

Round-trip from

£770

One-way from

£446

Popular in

December

Cheapest in

February

Average price

£616
KLM
  • KLM
  • 29/4-6/5
  • 4 total stops
  • 38h 30m total
  • Portsmouth to Cancún
Search Deals
22/8
  • 22/8
  • 2 total stops
  • 41h 45m total
  • Portsmouth to Cancún
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (£4 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 March 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 19 March 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

Wed 29/4

09:05-20:15

2 stops17h 10m

Cancun

Wed 6/5

08:00-16:50

2 stops26h 50m

£783

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Wed 29/4

09:20-19:05

1 stop15h 45m

Cancun

Wed 6/5

19:40-08:40

2 stops31h 00m

£846

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Mon 14/9

19:55-18:35

2 stops28h 40m

Cancun

Mon 28/9

12:30-19:30

2 stops25h 00m

£858

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Wed 15/4

19:55-18:00

2 stops28h 05m

Cancun

Wed 29/4

13:00-19:30

2 stops24h 30m

£920

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Tue 14/4

19:55-18:00

2 stops28h 05m

Cancun

Tue 28/4

11:01-19:30

2 stops26h 29m

£971

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Wed 17/6

19:55-17:55

2 stops28h 00m

Cancun

Wed 1/7

13:50-16:50

2 stops21h 00m

£977

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Mon 15/6

19:55-18:30

2 stops28h 35m

Cancun

Mon 29/6

11:00-16:50

2 stops23h 50m

£1,044

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Mon 13/4

19:55-18:35

2 stops28h 40m

Cancun

Mon 27/4

11:01-19:30

2 stops26h 29m

£1,091

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Mon 30/3

17:20-09:00

2 stops45h 40m

Cancun

Mon 13/4

15:35-08:35

2 stops35h 00m

£1,485

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Sun 29/3

09:15-09:00

2 stops29h 45m

Cancun

Mon 13/4

15:15-08:35

2 stops35h 20m

£1,606

Flights are sorted by cheapest return flights first.

Deals found on 14/3

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

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, April is the cheapest month in which you can book a flight from Portsmouth to Cancún (average of £263). Flying from Portsmouth to Cancún in July is currently the most expensive (average of £567). 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 19 March 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. 15 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?

    Delta and British Airways can get you from Portsmouth to Cancún in just under 17h 10m. Your travel time can differ by up to 11h 30m. The distance between Portsmouth and Cancún is about 4906 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest flights from Portsmouth to Cancún?

    The cheapest flight price from Portsmouth to Cancún is £649. On average you can expect to pay £904. The most popular route, (Southampton Eastleigh - Cancun), can usually be booked for £858.

  • 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, April is the cheapest month in which you can book a flight from Portsmouth to Cancún (average of £263). Flying from Portsmouth to Cancún in July is currently the most expensive (average of £567). 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
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 19 March 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£257Average£685FlexibilityNo cancel feeOn-time75%
Search KLM flights
TUI AirwaysCheapest£276Average£303FlexibilityNo cancel feeOn-timeN/A
Search TUI Airways flights
British AirwaysCheapest£447Average£629FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapest£449Average£592FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air CanadaCheapest£458Average£589FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Virgin AtlanticCheapest£462Average£619FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air EuropaCheapest£497Average£583FlexibilityNo cancel feeOn-time83%
Search Air Europa flights
FinnairCheapest£498Average£745FlexibilityNo cancel feeOn-time76%
Search Finnair flights
American AirlinesCheapest£499Average£742FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air FranceCheapest£504Average£744FlexibilityNo cancel feeOn-time77%
Search Air France 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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