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£72+ Cheap flights to Portsmouth

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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
— LHR
25 Mar — 1 Apr1
1 adult

Flights to Portsmouth in 2025

Find the latest flights to Portsmouth in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 20 March 2025.

One-way from

£72
5/5
  • 5/5
  • 1 total stop
  • 25h 50m total
  • London to Portsmouth
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Cheapest flights to Portsmouth
Explore the most affordable flight options available to Portsmouth. Find the lowest fares based on data from user searches, with prices last updated on 20 March 2025.

Thu 3/407:10LTN - SOU
1 stop7h 10measyJet
Mon 28/415:25SOU - LTN
1 stop6h 40measyJet
Deal found 19/3£122
Thu 3/407:45STN - SOU
1 stop6h 35mMultiple Airlines
Mon 28/420:00SOU - STN
1 stop25h 00mMultiple Airlines
Deal found 19/3£122
Thu 3/408:30STN - SOU
1 stop5h 50measyJet
Mon 28/411:50SOU - STN
1 stop8h 35measyJet
Deal found 19/3£137
Thu 3/406:10LGW - SOU
1 stop8h 10measyJet
Mon 28/420:30SOU - LGW
1 stop12h 05measyJet
Deal found 19/3£145
Wed 2/419:20LTN - SOU
1 stop13h 20mMultiple Airlines
Wed 9/409:00SOU - LTN
1 stop13h 55mMultiple Airlines
Deal found 19/3£148
Wed 2/420:50LGW - SOU
1 stop11h 50mMultiple Airlines
Wed 9/409:00SOU - LGW
1 stop13h 45mMultiple Airlines
Deal found 19/3£156
Thu 3/410:35LHR - SOU
1 stop5h 40mMultiple Airlines
Mon 28/415:25SOU - LHR
1 stop5h 25mMultiple Airlines
Deal found 19/3£176
Thu 3/406:55LCY - SOU
1 stop4h 00mMultiple Airlines
Mon 28/415:25SOU - LCY
1 stop5h 00mMultiple Airlines
Deal found 19/3£241
Wed 7/518:25LGW - SOU
1 stop13h 05mAurigny Air
Mon 12/519:50SOU - LGW
1 stop12h 05mAurigny Air
Deal found 20/3£314
Sat 13/1206:55LHR - SOU
1 stop8h 15mBritish Airways
Mon 5/112:40SOU - LHR
1 stop5h 00mBritish Airways
Deal found 19/3£320
Wed 7/508:30LCY - SOU
1 stop6h 35mAurigny Air
Mon 12/519:50SOU - LCY
1 stop12h 10mAurigny Air
Deal found 20/3£326
Thu 26/607:00LCY - SOU
1 stop5h 00mBritish Airways
Thu 31/716:30SOU - LCY
1 stop4h 15mBritish Airways
Deal found 19/3£417

Cheapflights Fare Finder

Locate flights to Portsmouth that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 20 March 2025.
Use the filters below to find and compare flights to Portsmouth that are best for you.

Fly from

London

Route

Depart

Return

Price

LondonSouthampton

LTN - SOU

LTNSOU

London Luton

Thu 3/4

07:10-14:20

1 stop7h 10m

Southampton Eastleigh

Mon 28/4

15:25-22:05

1 stop6h 40m

£122

LondonSouthampton

STN - SOU

STNSOU

London Stansted

Thu 3/4

07:45-14:20

1 stop6h 35m

Southampton Eastleigh

Mon 28/4

20:00-21:00

1 stop25h 00m

£122

LondonSouthampton

STN - SOU

STNSOU

London Stansted

Thu 3/4

08:30-14:20

1 stop5h 50m

Southampton Eastleigh

Mon 28/4

11:50-20:25

1 stop8h 35m

£137

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Thu 3/4

06:10-14:20

1 stop8h 10m

Southampton Eastleigh

Mon 28/4

20:30-08:35

1 stop12h 05m

£145

LondonSouthampton

LTN - SOU

LTNSOU

London Luton

Wed 2/4

19:20-08:40

1 stop13h 20m

Southampton Eastleigh

Wed 9/4

09:00-22:55

1 stop13h 55m

£148

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Wed 2/4

20:50-08:40

1 stop11h 50m

Southampton Eastleigh

Wed 9/4

09:00-22:45

1 stop13h 45m

£156

LondonSouthampton

LHR - SOU

LHRSOU

London Heathrow

Thu 3/4

10:35-16:15

1 stop5h 40m

Southampton Eastleigh

Mon 28/4

15:25-20:50

1 stop5h 25m

£176

LondonSouthampton

LCY - SOU

LCYSOU

London City

Thu 3/4

06:55-10:55

1 stop4h 00m

Southampton Eastleigh

Mon 28/4

15:25-20:25

1 stop5h 00m

£241

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Wed 7/5

18:25-07:30

1 stop13h 05m

Southampton Eastleigh

Mon 12/5

19:50-07:55

1 stop12h 05m

£314

LondonSouthampton

LHR - SOU

LHRSOU

London Heathrow

Thu 26/6

07:10-12:00

1 stop4h 50m

Southampton Eastleigh

Thu 31/7

16:45-20:45

1 stop4h 00m

£322

Flights are sorted by cheapest return flights first.

Deals found on 19/3

Showing 1-10 of 25 results
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2
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Best time to book a flight to Portsmouth

Have a flexible travel schedule? Discover the best time to fly to 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 to Portsmouth

How long is the flight to Portsmouth?

On average, a flight from London to Portsmouth takes 8 hours 3 minutes. Flights to Portsmouth from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.

What are the most popular airlines that fly to Portsmouth?

The most popular airline flying from London to Portsmouth is KLM.

KLM

KLM

From £264

What are the cheapest airlines that fly to Portsmouth?

The cheapest airline flying from London to Portsmouth is KLM.

Rainfall in Portsmouth by month

Plan your trip to Portsmouth by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portsmouth ranges from 25.0 - 76.0 inches per month. December is typically the wettest month, when rainfall can reach 76.0 mm. July is typically the driest time to visit Portsmouth when rainfall is around 25.0 mm.

Temperature in Portsmouth by month

Plan your trip to Portsmouth by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portsmouth, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 18.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Portsmouth

Get insights into the airlines that provide service to Portsmouth. 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 Portsmouth. Reviews last updated 20 March 2025.
Peruse reviews from past customers who have flown Aer Lingus, easyJet and British Airways to Portsmouth to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aer Lingus
7.0
Good
1,063 reviews
Check prices

Overall

7.0

Entertainment

6.7

Food

6.4

Comfort

7.0

Boarding

7.2

Crew

7.9

Reviews

1 / 20
4.0
Okay

Tadhg,Mar 2025

DUB - MAN

Flew Man to BGI. Crew were poor. Both coffee or tea due to a "water issue". Business class meal for gluten free was disappointing. 1903 lounge was excellent.
Aer Lingus
7.0
Good
1,063 reviews
Aer Lingus
7.0
Good
1,063 reviews
Check prices

Overall

7.0

Entertainment

6.7

Food

6.4

Comfort

7.0

Boarding

7.2

Crew

7.9

Reviews

1 / 20
4.0
Okay

Tadhg,Mar 2025

DUB - MAN

Flew Man to BGI. Crew were poor. Both coffee or tea due to a "water issue". Business class meal for gluten free was disappointing. 1903 lounge was excellent.
easyJet
6.9
Okay
1,793 reviews
Aer Lingus
7.0
Good
1,063 reviews
Check prices

Overall

7.0

Entertainment

6.7

Food

6.4

Comfort

7.0

Boarding

7.2

Crew

7.9

Reviews

1 / 20
4.0
Okay

Tadhg,Mar 2025

DUB - MAN

Flew Man to BGI. Crew were poor. Both coffee or tea due to a "water issue". Business class meal for gluten free was disappointing. 1903 lounge was excellent.
British Airways
6.6
Okay
6,710 reviews
Aer Lingus
7.0
Good
1,063 reviews
Check prices

Overall

7.0

Entertainment

6.7

Food

6.4

Comfort

7.0

Boarding

7.2

Crew

7.9

Reviews

1 / 20
4.0
Okay

Tadhg,Mar 2025

DUB - MAN

Flew Man to BGI. Crew were poor. Both coffee or tea due to a "water issue". Business class meal for gluten free was disappointing. 1903 lounge was excellent.

FAQs about flying to Portsmouth

Getting around Portsmouth

The are several excellent local bus services which cover the city centre, Portsea Island, Southsea and numerous destinations in and around the city.  There are good local taxi firms, and you’ll also find licensed taxis at the airport and in the city centre which can simply be flagged down on the street.

Getting from the Airport to the City

Travellers booking flights to Portsmouth will most likely fly to Southampton Airport (SOU), which is the closest airport to the city, just 20 miles (32 km) from the centre of Portsmouth.  Take the train from Southampton Airport Parkway and change to a Portsmouth bound service at Southampton Central or at Eastleigh.  There are also taxis available from outside the terminal, and set fares to the city are not overly expensive.

  • Can I find cheaper flights to Portsmouth if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Portsmouth on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Portsmouth?

    Based on reviews from Cheapflights users, Ryanair is rated the highest out of the airlines that fly to Portsmouth.

  • How much is a return flight to Portsmouth?

    A return flight to Portsmouth will typically cost around £205, however they can be found for as little as £26.

  • Where does the fastest flight to Portsmouth depart from?

    For those looking to save time traveling to Portsmouth, Belfast offers the quickest one-way flight (1 hour 15 minutes).

  • Does London Heathrow have car hire?

    Yes. Those touching down at London Heathrow can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to London Heathrow?

    Yes. London Heathrow has hotels nearby for those requiring accommodations. Aerotel London Heathrow, Terminal 2 & Terminal 3 is the closest property to London Heathrow (0.0 mi away from London Heathrow).

See more FAQs

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How does Cheapflights help users find flights to Portsmouth?

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Users can book flights with no change fees policies with our dedicated filters. Book flights to Portsmouth flexibly with Cheapflights today.

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