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Cheap flights from Portsmouth to Cancún from £365

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 15/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CUN
3 Apr — 10 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 4 March 2026.

Mon 13/409:05
SOU
-
CUN
2 stops30h 50m
KLM
Mon 20/410:00
CUN
-
SOU
2 stops16h 35m
KLM
Deal found 27/2£747
Wed 15/417:20
SOU
-
CUN
2 stops30h 20m
KLM
Wed 22/408:00
CUN
-
SOU
2 stops18h 35m
KLM
Deal found 1/3£757
Mon 27/409:05
SOU
-
CUN
2 stops34h 56m
Delta
Tue 5/508:00
CUN
-
SOU
2 stops26h 50m
Delta
Deal found 27/2£777
Mon 27/409:05
SOU
-
CUN
2 stops32h 24m
Delta
Sat 9/511:10
CUN
-
SOU
2 stops15h 35m
Delta
Deal found 27/2£808
Wed 15/409:10
SOU
-
CUN
2 stops33h 46m
Multiple Airlines
Wed 22/420:50
CUN
-
SOU
1 stop14h 00m
Multiple Airlines
Deal found 1/3£816
Tue 1/919:55
SOU
-
CUN
2 stops28h 00m
British Airways
Tue 15/920:15
CUN
-
SOU
2 stops17h 10m
British Airways
Deal found 3/3£853
Fri 17/417:20
SOU
-
CUN
2 stops30h 20m
KLM
Fri 24/415:15
CUN
-
SOU
2 stops35h 30m
KLM
Deal found 3/3£858
Mon 31/819:55
SOU
-
CUN
2 stops28h 35m
British Airways
Mon 14/912:30
CUN
-
SOU
2 stops25h 00m
British Airways
Deal found 2/3£862
Fri 17/418:20
SOU
-
CUN
1 stop27h 55m
Multiple Airlines
Fri 24/419:40
CUN
-
SOU
2 stops30h 15m
Multiple Airlines
Deal found 3/3£889
Tue 2/619:55
SOU
-
CUN
2 stops28h 00m
British Airways
Tue 16/620:15
CUN
-
SOU
2 stops17h 10m
British Airways
Deal found 3/3£908
Mon 1/619:55
SOU
-
CUN
2 stops28h 35m
British Airways
Mon 15/613:50
CUN
-
SOU
2 stops21h 00m
British Airways
Deal found 2/3£949

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 4 March 2026.

Round-trip from

£747

One-way from

£365

Popular in

December

Cheapest in

February

Average price

£598
KLM
  • KLM
  • 13/4-20/4
  • 4 total stops
  • 47h 25m total
  • Portsmouth to Cancún
Search Deals
15/6
  • 15/6
  • 3 total stops
  • 48h 10m 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 4 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

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Wed 15/4

17:20-17:40

2 stops30h 20m

Cancun

Wed 22/4

08:00-08:35

2 stops18h 35m

£757

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Thu 30/4

17:20-20:15

2 stops32h 55m

Cancun

Wed 6/5

15:35-08:35

2 stops35h 00m

£777

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Mon 27/4

09:05-13:04

2 stops33h 59m

Cancun

Thu 7/5

08:00-08:35

2 stops18h 35m

£777

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Mon 27/4

09:05-13:04

2 stops33h 59m

Cancun

Sun 10/5

13:30-08:35

2 stops37h 05m

£777

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Mon 27/4

09:05-14:01

2 stops34h 56m

Cancun

Tue 5/5

08:00-16:50

2 stops26h 50m

£777

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Mon 27/4

09:05-11:29

2 stops32h 24m

Cancun

Sat 9/5

11:10-08:45

2 stops15h 35m

£808

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Fri 17/4

17:20-17:40

2 stops30h 20m

Cancun

Fri 24/4

15:15-08:45

2 stops35h 30m

£858

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Wed 15/4

06:50-14:05

1 stop13h 15m

Cancun

Wed 22/4

16:05-09:25

1 stop11h 20m

£865

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Tue 2/6

19:55-17:55

2 stops28h 00m

Cancun

Tue 16/6

20:15-19:25

2 stops17h 10m

£908

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Mon 1/6

19:55-18:30

2 stops28h 35m

Cancun

Mon 15/6

13:50-16:50

2 stops21h 00m

£949

Flights are sorted by cheapest return flights first.

Deals found on 1/3

Showing 1-10 of 20 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 £267). 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 4 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. 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?

    KLM and Delta can get you from Portsmouth to Cancún in just under 30h 20m. Your travel time can differ by up to 2h 35m. 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 £511. On average you can expect to pay £699. The most popular route, (Southampton Eastleigh - Cancun), can usually be booked for £853.

  • 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 £267). 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 4 March 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£256Average£684FlexibilityNo cancel feeOn-time75%
Search KLM flights
TUI AirwaysCheapest£275Average£302FlexibilityNo cancel feeOn-timeN/A
Search TUI Airways flights
British AirwaysCheapest£447Average£630FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapest£449Average£591FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air CanadaCheapest£460Average£582FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Virgin AtlanticCheapest£462Average£614FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air EuropaCheapest£496Average£582FlexibilityNo cancel feeOn-time83%
Search Air Europa flights
FinnairCheapest£497Average£737FlexibilityNo cancel feeOn-time76%
Search Finnair flights
American AirlinesCheapest£499Average£751FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air FranceCheapest£504Average£731FlexibilityNo 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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