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Cheap flights from Portsmouth to Cancún from £637

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 15/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CUN
27 Mar — 3 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 25 February 2026.

Wed 1/417:20
SOU
-
CUN
2 stops49h 10m
Delta
Tue 12/510:10
CUN
-
SOU
2 stops24h 40m
Delta
Deal found 21/2£806
Tue 7/417:20
SOU
-
CUN
2 stops32h 54m
KLM
Tue 14/413:50
CUN
-
SOU
2 stops21h 00m
KLM
Deal found 21/2£816
Thu 9/409:05
SOU
-
CUN
2 stops17h 09m
Delta
Thu 16/410:00
CUN
-
SOU
2 stops24h 50m
Delta
Deal found 23/2£816
Tue 31/317:20
SOU
-
CUN
2 stops49h 10m
Delta
Sun 5/408:00
CUN
-
SOU
2 stops18h 35m
Delta
Deal found 23/2£835
Wed 1/417:20
SOU
-
CUN
2 stops32h 54m
Delta
Fri 15/513:30
CUN
-
SOU
2 stops37h 15m
Delta
Deal found 21/2£836
Wed 1/417:20
SOU
-
CUN
2 stops49h 10m
Delta
Sun 5/416:45
CUN
-
SOU
2 stops33h 50m
Delta
Deal found 23/2£847
Wed 1/417:20
SOU
-
CUN
2 stops32h 54m
Delta
Mon 18/513:30
CUN
-
SOU
2 stops37h 05m
Delta
Deal found 21/2£851
Mon 6/419:55
SOU
-
CUN
2 stops52h 00m
British Airways
Mon 11/519:40
CUN
-
SOU
2 stops30h 45m
British Airways
Deal found 21/2£858
Wed 1/417:20
SOU
-
CUN
2 stops32h 54m
Delta
Sat 16/513:30
CUN
-
SOU
2 stops37h 05m
Delta
Deal found 21/2£881
Mon 6/419:55
SOU
-
CUN
2 stops52h 00m
British Airways
Sun 17/519:40
CUN
-
SOU
2 stops30h 45m
British Airways
Deal found 21/2£888
Tue 25/819:55
SOU
-
CUN
2 stops28h 00m
British Airways
Tue 8/920:15
CUN
-
SOU
2 stops17h 10m
British Airways
Deal found 24/2£890

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 25 February 2026.

Round-trip from

£794

One-way from

£637

Popular in

December

Cheapest in

February

Average price

£485
Delta
  • Delta
  • 31/3-14/5
  • 4 total stops
  • 83h 50m total
  • Portsmouth to Cancún
Search Deals
British Airways
  • British Airways
  • 15/4
  • 2 total stops
  • 28h 00m 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 February 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 25 February 2026.
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

Thu 2/4

09:05-12:30

2 stops33h 25m

Cancun

Wed 20/5

13:30-08:35

2 stops37h 05m

£806

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Thu 2/4

09:05-12:30

2 stops33h 25m

Cancun

Sun 10/5

12:50-16:50

2 stops46h 00m

£806

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Thu 9/4

09:05-20:14

2 stops17h 09m

Cancun

Thu 16/4

10:00-16:50

2 stops24h 50m

£816

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Tue 7/4

17:20-20:14

2 stops32h 54m

Cancun

Tue 14/4

13:50-16:50

2 stops21h 00m

£818

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Thu 2/4

09:05-12:30

2 stops33h 25m

Cancun

Fri 15/5

13:30-08:45

2 stops37h 15m

£836

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Mon 6/4

09:05-15:45

2 stops36h 40m

Cancun

Sat 9/5

15:02-08:35

2 stops35h 33m

£836

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Mon 25/5

19:55-18:30

2 stops28h 35m

Cancun

Mon 8/6

19:40-19:25

2 stops17h 45m

£902

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Tue 7/4

20:00-19:05

1 stop29h 05m

Cancun

Tue 14/4

19:40-08:40

2 stops31h 00m

£939

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Tue 26/5

19:55-17:55

2 stops28h 00m

Cancun

Tue 9/6

20:15-08:25

2 stops30h 10m

£941

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Thu 9/4

06:50-14:00

1 stop13h 10m

Cancun

Thu 16/4

17:51-19:30

2 stops43h 39m

£1,008

Flights are sorted by cheapest return flights first.

Deals found on 24/2

Showing 1-10 of 14 results
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 £264). Flying from Portsmouth to Cancún in July is currently the most expensive (average of £561). 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 25 February 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?

    Delta and KLM can get you from Portsmouth to Cancún in just under 32h 54m. Your travel time can differ by up to 31m. 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 £494. On average you can expect to pay £994. The most popular route, (Southampton Eastleigh - Cancun), can usually be booked for £816.

  • 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 £264). Flying from Portsmouth to Cancún in July is currently the most expensive (average of £561). 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 25 February 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£254Average£677FlexibilityNo cancel feeOn-time75%
Search KLM flights
TUI AirwaysCheapest£272Average£299FlexibilityNo cancel feeOn-timeN/A
Search TUI Airways flights
British AirwaysCheapest£442Average£624FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapest£444Average£584FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air CanadaCheapest£453Average£569FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Virgin AtlanticCheapest£457Average£606FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air EuropaCheapest£490Average£574FlexibilityNo cancel feeOn-time83%
Search Air Europa flights
American AirlinesCheapest£493Average£737FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
FinnairCheapest£493Average£720FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Air FranceCheapest£497Average£722FlexibilityNo 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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