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Cheap flights from Portsmouth to Cancún from £404

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 15/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CUN
30 Nov — 7 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Portsmouth to Cancún

Enter your travel dates to find the best prices.

Best flights from Portsmouth to Cancún
Discover carefully curated flight deals from Portsmouth to Cancún that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 31 October 2025.

Thu 12/318:05SOU - CUN
2 stops50h 10mDelta
Mon 16/312:49CUN - SOU
2 stops38h 21mDelta
Deal found 30/10£751
Wed 7/109:25SOU - CUN
2 stops40h 46mDelta
Sun 18/117:45CUN - SOU
2 stops18h 20mDelta
Deal found 30/10£753
Wed 7/109:25SOU - CUN
2 stops35h 00mDelta
Wed 21/115:10CUN - SOU
2 stops20h 55mDelta
Deal found 30/10£753
Wed 7/109:25SOU - CUN
2 stops35h 00mDelta
Mon 19/115:10CUN - SOU
2 stops60h 15mDelta
Deal found 30/10£753
Thu 8/109:00SOU - CUN
2 stops32h 33mDelta
Sun 18/113:43CUN - SOU
2 stops22h 22mDelta
Deal found 30/10£753
Thu 8/109:00SOU - CUN
2 stops31h 24mDelta
Mon 19/115:10CUN - SOU
2 stops44h 55mDelta
Deal found 30/10£753
Wed 7/109:25SOU - CUN
2 stops35h 00mDelta
Thu 22/117:45CUN - SOU
2 stops18h 20mDelta
Deal found 30/10£753
Thu 8/109:00SOU - CUN
2 stops31h 24mDelta
Thu 22/117:45CUN - SOU
2 stops18h 20mDelta
Deal found 30/10£753
Fri 9/109:00SOU - CUN
2 stops59h 25mDelta
Sun 18/117:45CUN - SOU
2 stops18h 20mDelta
Deal found 30/10£783
Thu 8/109:00SOU - CUN
2 stops31h 24mDelta
Sat 24/117:45CUN - SOU
2 stops18h 30mDelta
Deal found 30/10£783

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 31 October 2025.

Round-trip from

£753

One-way from

£404

Popular in

December

Cheapest in

September

Average price

£653
Delta
  • Delta
  • 7/1-20/1
  • 4 total stops
  • 68h 51m total
  • Portsmouth to Cancún
Search Deals
15/2
  • 15/2
  • 3 total stops
  • 30h 00m total
  • Portsmouth to Cancún
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£13 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
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 31 October 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

Thu 12/3

18:05-15:15

2 stops50h 10m

Cancun

Mon 16/3

12:49-08:10

2 stops38h 21m

£751

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Wed 7/1

09:25-21:11

2 stops40h 46m

Cancun

Sun 18/1

17:45-17:05

2 stops18h 20m

£753

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Wed 7/1

09:25-15:25

2 stops35h 00m

Cancun

Wed 21/1

15:10-17:05

2 stops20h 55m

£753

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Wed 7/1

09:25-15:25

2 stops35h 00m

Cancun

Mon 19/1

15:10-08:25

2 stops60h 15m

£753

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Thu 8/1

09:00-12:33

2 stops32h 33m

Cancun

Sun 18/1

13:43-17:05

2 stops22h 22m

£753

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Thu 8/1

09:00-11:24

2 stops31h 24m

Cancun

Mon 19/1

15:10-17:05

2 stops44h 55m

£753

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Wed 7/1

09:25-15:25

2 stops35h 00m

Cancun

Thu 22/1

17:45-17:05

2 stops18h 20m

£753

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Thu 8/1

09:00-11:24

2 stops31h 24m

Cancun

Thu 22/1

17:45-17:05

2 stops18h 20m

£753

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Fri 9/1

09:00-15:25

2 stops59h 25m

Cancun

Sun 18/1

17:45-17:05

2 stops18h 20m

£783

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Thu 8/1

09:00-11:24

2 stops31h 24m

Cancun

Sat 24/1

17:45-17:15

2 stops18h 30m

£783

Flights are sorted by cheapest return flights first.

Deals found on 30/10

Showing 1-10 of 16 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, October is the cheapest month in which you can book a flight from Portsmouth to Cancún (average of £279). Flying from Portsmouth to Cancún in July is currently the most expensive (average of £548). 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 31 October 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 21% on flights from Portsmouth to Cancún by exploring options for tickets in the evening.

What is the cheapest day to fly from Portsmouth to Cancún?

Use this chart to determine the cheapest time to fly return from Portsmouth to Cancún. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their Portsmouth to Cancún flight should consider departing on Sunday afternoons when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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. 17 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 can get you from Portsmouth to Cancún in just under 50h 10m. Your travel time can differ by up to . The distance between Portsmouth and Cancún is about 4906 mi.

  • What are the cheapest flights from Portsmouth to Cancún?

    The cheapest flight price from Portsmouth to Cancún is £383. On average you can expect to pay £753. The most popular route, (Southampton Eastleigh - Cancun), can usually be booked for £753.

  • 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, October is the cheapest month in which you can book a flight from Portsmouth to Cancún (average of £279). Flying from Portsmouth to Cancún in July is currently the most expensive (average of £548). 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 31 October 2025.
AirlineCheapestAverageFlexibilityOn-time
TUI AirwaysCheapest£279Average£306FlexibilityNo cancel feeOn-timeN/A
Search TUI Airways flights
Aer LingusCheapest£436Average£599FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
British AirwaysCheapest£457Average£641FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air CanadaCheapest£472Average£592FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapest£475Average£672FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air EuropaCheapest£485Average£583FlexibilityNo cancel feeOn-time83%
Search Air Europa flights
KLMCheapest£487Average£679FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£494Average£620FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air FranceCheapest£500Average£674FlexibilityNo cancel feeOn-time77%
Search Air France flights
FinnairCheapest£510Average£622FlexibilityNo cancel feeOn-time76%
Search Finnair 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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