Find flights
Airlines
Travel Guide

£74+ 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 27/9. Fares are subject to change and may not be available on all flights or dates of travel.
— LHR
13 Jul — 20 Jul1
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 8 July 2025.

One-way from

£74
easyJet
  • easyJet
  • 27/9
  • 1 total stop
  • 7h 20m total
  • London to Portsmouth
Search Deals

Find flight deals to Portsmouth

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 8 July 2025.

Fri 29/822:15LTN - SOU
1 stop9h 20measyJet
Sun 31/821:30SOU - LTN
1 stop10h 50measyJet
Deal found 7/7£153
Fri 29/822:10STN - SOU
1 stop9h 25measyJet
Sun 31/821:30SOU - STN
1 stop10h 50measyJet
Deal found 6/7£162
Wed 20/819:20LTN - SOU
1 stop13h 20mMultiple Airlines
Wed 27/810:50SOU - LTN
1 stop12h 05mMultiple Airlines
Deal found 6/7£179
Fri 29/812:05STN - SOU
2 stops19h 30mMultiple Airlines
Sun 31/821:30SOU - STN
1 stop10h 50mMultiple Airlines
Deal found 7/7£180
Fri 29/821:25LGW - SOU
1 stop11h 15mMultiple Airlines
Sun 31/821:30SOU - LGW
1 stop13h 25mMultiple Airlines
Deal found 6/7£185
Fri 29/818:05LGW - SOU
1 stop13h 30measyJet
Sun 31/821:30SOU - LGW
1 stop10h 50measyJet
Deal found 7/7£201
Thu 7/806:30LHR - SOU
1 stop11h 20mKLM
Wed 13/809:20SOU - LHR
1 stop10h 05mKLM
Deal found 6/7£215
Thu 7/807:45LCY - SOU
1 stop10h 05mKLM
Wed 13/809:20SOU - LCY
1 stop8h 00mKLM
Deal found 6/7£245
Wed 20/821:10LHR - SOU
1 stop11h 30mAer Lingus
Wed 27/809:10SOU - LHR
1 stop5h 45mAer Lingus
Deal found 6/7£271
Tue 19/808:00LHR - SOU
1 stop8h 05mMultiple Airlines
Tue 26/808:35SOU - LHR
1 stop3h 10mMultiple Airlines
Deal found 6/7£281
Wed 20/819:40LGW - SOU
1 stop11h 50mAurigny Air
Wed 27/819:50SOU - LGW
1 stop14h 35mAurigny Air
Deal found 7/7£290
Wed 20/819:20LCY - SOU
1 stop12h 10mAurigny Air
Wed 27/819:50SOU - LCY
1 stop12h 10mAurigny Air
Deal found 7/7£311

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 8 July 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

Fri 29/8

22:15-07:35

1 stop9h 20m

Southampton Eastleigh

Sun 31/8

21:30-08:20

1 stop10h 50m

£153

LondonSouthampton

STN - SOU

STNSOU

London Stansted

Fri 29/8

22:10-07:35

1 stop9h 25m

Southampton Eastleigh

Sun 31/8

21:30-08:20

1 stop10h 50m

£162

LondonSouthampton

LTN - SOU

LTNSOU

London Luton

Wed 20/8

19:20-08:40

1 stop13h 20m

Southampton Eastleigh

Wed 27/8

10:50-22:55

1 stop12h 05m

£179

LondonSouthampton

STN - SOU

STNSOU

London Stansted

Fri 29/8

12:05-07:35

2 stops19h 30m

Southampton Eastleigh

Sun 31/8

21:30-08:20

1 stop10h 50m

£180

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Fri 29/8

21:25-08:40

1 stop11h 15m

Southampton Eastleigh

Sun 31/8

21:30-10:55

1 stop13h 25m

£185

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Fri 29/8

18:05-07:35

1 stop13h 30m

Southampton Eastleigh

Sun 31/8

21:30-08:20

1 stop10h 50m

£201

LondonSouthampton

LHR - SOU

LHRSOU

London Heathrow

Thu 7/8

06:30-17:50

1 stop11h 20m

Southampton Eastleigh

Wed 13/8

09:20-19:25

1 stop10h 05m

£215

LondonSouthampton

LCY - SOU

LCYSOU

London City

Thu 7/8

07:45-17:50

1 stop10h 05m

Southampton Eastleigh

Wed 13/8

09:20-17:20

1 stop8h 00m

£245

LondonSouthampton

LHR - SOU

LHRSOU

London Heathrow

Wed 20/8

21:10-08:40

1 stop11h 30m

Southampton Eastleigh

Wed 27/8

09:10-14:55

1 stop5h 45m

£271

LondonSouthampton

LHR - SOU

LHRSOU

London Heathrow

Tue 19/8

08:00-16:05

1 stop8h 05m

Southampton Eastleigh

Tue 26/8

08:35-11:45

1 stop3h 10m

£281

Flights are sorted by cheapest return flights first.

Deals found on 6/7

Showing 1-10 of 23 results
1
2
3

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 6 hours 33 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.

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 8 July 2025.
See what other customers who have flown with KLM, Aer Lingus, andeasyJet to the United Kingdom have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,370 reviews
Check prices

Boarding

7.8

Overall

7.8

Food

7.3

Entertainment

7.1

Crew

8.4

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,370 reviews
KLM
7.8
Good
1,370 reviews
Check prices

Boarding

7.8

Overall

7.8

Food

7.3

Entertainment

7.1

Crew

8.4

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Aer Lingus
7.1
Good
1,151 reviews
KLM
7.8
Good
1,370 reviews
Check prices

Boarding

7.8

Overall

7.8

Food

7.3

Entertainment

7.1

Crew

8.4

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
easyJet
6.9
Okay
1,816 reviews
KLM
7.8
Good
1,370 reviews
Check prices

Boarding

7.8

Overall

7.8

Food

7.3

Entertainment

7.1

Crew

8.4

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
British Airways
6.6
Okay
7,095 reviews
KLM
7.8
Good
1,370 reviews
Check prices

Boarding

7.8

Overall

7.8

Food

7.3

Entertainment

7.1

Crew

8.4

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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 £175, however they can be found for as little as £34.

  • Where does the fastest flight to Portsmouth depart from?

    For those looking to save time traveling to Portsmouth, Manchester offers the quickest one-way flight (1 hour 0 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 is the closest property to London Heathrow (0.0 mi away from London Heathrow).

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Search flights to Portsmouth by cabin class

Find flights to Portsmouth, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy class

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 to Portsmouth?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights to Portsmouth. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets to Portsmouth?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights to Portsmouth.

Can Cheapflights find flights to Portsmouth with no change fees?

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

Can Cheapflights notify me if prices for flights to Portsmouth become cheaper?

Yes, and it’s super simple to set up Price Alerts. Click the bell icon next to the flight deals above and provide your email address. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2025 Cheapflights