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Cheap flights from Portsmouth to Cancún from £530

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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CUN
18 Oct — 25 Oct1
1 adult
1 adult, Economy

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 18 September 2025.

Round-trip from

£613

One-way from

£530

Popular in

December

Cheapest in

September

Average price

£470
Delta
  • Delta
  • 7/1-15/1
  • 4 total stops
  • 52h 30m total
  • Portsmouth to Cancún
Search Deals
15/10
  • 15/10
  • 3 total stops
  • 49h 30m total
  • Portsmouth to Cancún
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£14 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 September 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 18 September 2025.

Fri 31/1017:30SOU - CUN
1 stop26h 35mKLM
Fri 7/1108:00CUN - SOU
2 stops19h 50mKLM
Deal found 16/9£686
Fri 31/1008:40SOU - CUN
2 stops40h 40mDelta
Fri 7/1116:17CUN - SOU
2 stops19h 43mDelta
Deal found 16/9£699
Thu 11/1208:50SOU - CUN
2 stops55h 25mDelta
Wed 7/115:20CUN - SOU
2 stops36h 05mDelta
Deal found 17/9£727
Sun 26/1009:30SOU - CUN
2 stops54h 55mDelta
Sun 2/1117:16CUN - SOU
2 stops57h 54mDelta
Deal found 17/9£728
Sat 13/1217:30SOU - CUN
2 stops49h 00mDelta
Thu 8/115:20CUN - SOU
2 stops20h 40mDelta
Deal found 17/9£757
Thu 11/1208:50SOU - CUN
2 stops55h 25mDelta
Tue 6/115:20CUN - SOU
2 stops36h 05mDelta
Deal found 17/9£766
Thu 11/1208:50SOU - CUN
2 stops55h 25mDelta
Fri 9/115:20CUN - SOU
2 stops44h 55mDelta
Deal found 17/9£796
Sat 13/1217:30SOU - CUN
2 stops49h 00mDelta
Fri 9/115:20CUN - SOU
2 stops44h 55mDelta
Deal found 17/9£826
Thu 11/1208:50SOU - CUN
2 stops55h 25mDelta
Mon 5/113:40CUN - SOU
2 stops38h 10mDelta
Deal found 17/9£870
Fri 31/1017:30SOU - CUN
3 stops31h 45mMultiple Airlines
Fri 7/1112:15CUN - SOU
3 stops23h 45mMultiple Airlines
Deal found 16/9£890
Sat 13/1217:30SOU - CUN
2 stops49h 00mDelta
Mon 5/113:40CUN - SOU
2 stops38h 10mDelta
Deal found 17/9£900
Sat 25/1018:05SOU - CUN
2 stops50h 15mDelta
Sun 2/1117:16CUN - SOU
2 stops57h 54mDelta
Deal found 17/9£900

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 18 September 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

Wed 7/1

09:25-13:20

2 stops32h 55m

Cancun

Thu 15/1

16:25-17:00

2 stops19h 35m

£613

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Wed 7/1

09:25-13:20

2 stops32h 55m

Cancun

Sat 17/1

16:25-17:15

2 stops19h 50m

£643

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Thu 12/3

08:50-17:45

2 stops37h 55m

Cancun

Mon 16/3

12:40-17:00

2 stops23h 20m

£665

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Fri 31/10

17:30-15:05

1 stop26h 35m

Cancun

Fri 7/11

08:00-08:50

2 stops19h 50m

£686

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Fri 31/10

08:40-20:20

2 stops40h 40m

Cancun

Fri 7/11

16:17-17:00

2 stops19h 43m

£699

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Thu 11/12

08:50-11:15

2 stops55h 25m

Cancun

Wed 7/1

15:20-08:25

2 stops36h 05m

£727

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Sun 14/12

09:30-13:30

2 stops33h 00m

Cancun

Wed 7/1

15:20-08:25

2 stops36h 05m

£727

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Sun 14/12

09:30-13:30

2 stops33h 00m

Cancun

Thu 8/1

13:49-08:45

2 stops37h 56m

£727

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Mon 15/12

08:40-13:30

2 stops33h 50m

Cancun

Wed 7/1

15:20-17:00

2 stops44h 40m

£727

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Mon 15/12

08:40-13:30

2 stops33h 50m

Cancun

Thu 8/1

15:20-17:00

2 stops20h 40m

£727

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 19 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, 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 18 September 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. 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 and KLM can get you from Portsmouth to Cancún in just under 32h 55m. Your travel time can differ by up to 5h. 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 £426. On average you can expect to pay £757. The most popular route, (Southampton Eastleigh - Cancun), can usually be booked for £665.

  • 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
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 18 September 2025.
AirlineCheapestAverageFlexibilityOn-time
TUI AirwaysCheapest£252Average£512FlexibilityNo cancel feeOn-timeN/A
Search TUI Airways flights
IcelandairCheapest£437Average£523FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£447Average£637FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air EuropaCheapest£469Average£562FlexibilityNo cancel feeOn-time83%
Search Air Europa flights
Air CanadaCheapest£470Average£581FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
KLMCheapest£470Average£668FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£473Average£640FlexibilityNo cancel feeOn-time77%
Search Air France flights
Virgin AtlanticCheapest£477Average£584FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
DeltaCheapest£490Average£649FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
FinnairCheapest£492Average£612FlexibilityNo 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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