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Cheap flights from Portsmouth to Cancún from £1,776

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 6/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CUN
18 Jul — 25 Jul1
1 adult

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 13 July 2025.

Round-trip from

£2,815

One-way from

£1,776

Popular in

December

Cheapest in

September

Average price

£774
Delta
  • Delta
  • 28/12-9/1
  • 4 total stops
  • 78h 50m total
  • Portsmouth to Cancún
Search Deals
British Airways
  • British Airways
  • 6/8
  • 2 total stops
  • 39h 15m total
  • Portsmouth to Cancún
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£11 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 July 2025
Search Deals

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 13 July 2025.

Sun 28/1218:05SOU - CUN
2 stops32h 25mDelta
Fri 9/113:35CUN - SOU
2 stops46h 25mDelta
Deal found 12/7£2,815

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 13 July 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

Sun 28/12

18:05-21:30

2 stops32h 25m

Cancun

Fri 9/1

13:35-17:00

2 stops46h 25m

£2,815

SouthamptonCancún

SOU - CUN

SOUCUN

Southampton Eastleigh

Wed 6/8

08:40-17:55

2 stops39h 15m

£1,776

Flights are sorted by cheapest return flights first.

Deals found on 10/7

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 13 July 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.

Reviews of airlines servicing Cancún

Get insights into the airlines that provide service to Cancún. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Cancún. Reviews last updated 13 July 2025.
See what other customers who have flown with Delta and British Airways from Portsmouth to Cancún have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,951 reviews
Check prices

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Delta
8.0
Very Good
7,951 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
British Airways
6.6
Okay
7,123 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

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. 18 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.

  • What are the cheapest flights from Portsmouth to Cancún?

    The cheapest flight price from Portsmouth to Cancún is £487. On average you can expect to pay £1,408. The most popular route, (Southampton Eastleigh - Cancun), can usually be booked for £830.

  • 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

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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 13 July 2025.
AirlineCheapestAverageFlexibilityOn-time
TUI AirwaysCheapest£258Average£508FlexibilityNo cancel feeOn-timeN/A
Search TUI Airways flights
TAP AIR PORTUGALCheapest£395Average£577FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
IcelandairCheapest£442Average£529FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£449Average£641FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air FranceCheapest£463Average£617FlexibilityNo cancel feeOn-time77%
Search Air France flights
Air CanadaCheapest£475Average£609FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air EuropaCheapest£475Average£565FlexibilityNo cancel feeOn-time83%
Search Air Europa flights
KLMCheapest£476Average£670FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£491Average£600FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
DeltaCheapest£495Average£608FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

Fly with Cheapflights

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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?

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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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