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Cheap flights from London Gatwick Airport to Portsmouth from £75

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 26/9. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — LHR
1 Sep — 8 Sep1
1 adult

Cheap flight deals from Gatwick to Portsmouth

Keep the following information in mind while searching for Gatwick to Portsmouth flight deals. Data was last updated 27 August 2025.

Round-trip from

£138

One-way from

£75
easyJet
  • easyJet
  • 11/10-12/10
  • 2 total stops
  • 15h 30m total
  • London to Portsmouth
Search Deals
easyJet
  • easyJet
  • 26/9
  • 1 total stop
  • 5h 35m total
  • London to Portsmouth
Search Deals

Find flight deals from Gatwick to Portsmouth

Cheapest flights from Gatwick to Portsmouth
Explore the most affordable flight options available from Gatwick to Portsmouth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 August 2025.

Sat 11/1007:30LGW - SOU
1 stop7h 20measyJet
Sun 12/1012:00SOU - LGW
1 stop8h 10measyJet
Deal found 25/8£138
Sat 11/1019:20LGW - SOU
1 stop13h 15mMultiple Airlines
Sun 12/1012:00SOU - LGW
1 stop8h 10mMultiple Airlines
Deal found 25/8£152
Tue 7/1019:00LGW - SOU
1 stop13h 05mMultiple Airlines
Tue 14/1012:25SOU - LGW
1 stop11h 00mMultiple Airlines
Deal found 24/8£164
Sun 14/919:40LGW - SOU
1 stop11h 55mMultiple Airlines
Mon 29/908:05SOU - LGW
1 stop6h 20mMultiple Airlines
Deal found 25/8£166
Thu 2/1021:30LGW - SOU
1 stop11h 10mMultiple Airlines
Wed 8/1009:00SOU - LGW
1 stop8h 35mMultiple Airlines
Deal found 25/8£168
Wed 24/913:05LGW - SOU
1 stop6h 25mMultiple Airlines
Wed 1/1009:00SOU - LGW
1 stop8h 35mMultiple Airlines
Deal found 25/8£186
Sun 7/907:40LGW - SOU
1 stop23h 55mMultiple Airlines
Sun 14/913:10SOU - LGW
1 stop19h 20mMultiple Airlines
Deal found 24/8£191

Cheapflights Fare Finder

 
Customise your flight search to find flights from Gatwick to Portsmouth 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 27 August 2025.
Use the filters below to find and compare flights from London Gatwick Airport to Portsmouth that are best for you.

Fly from

Gatwick

Fly to

Portsmouth

Route

Depart

Return

Price

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Sat 11/10

07:30-14:50

1 stop7h 20m

Southampton Eastleigh

Sun 12/10

12:00-20:10

1 stop8h 10m

£138

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Sat 11/10

19:20-08:35

1 stop13h 15m

Southampton Eastleigh

Sun 12/10

12:00-20:10

1 stop8h 10m

£152

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Tue 7/10

19:00-08:05

1 stop13h 05m

Southampton Eastleigh

Tue 14/10

12:25-23:25

1 stop11h 00m

£164

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Sun 14/9

19:40-07:35

1 stop11h 55m

Southampton Eastleigh

Mon 29/9

08:05-14:25

1 stop6h 20m

£166

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Thu 2/10

21:30-08:40

1 stop11h 10m

Southampton Eastleigh

Wed 8/10

09:00-17:35

1 stop8h 35m

£168

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Fri 26/9

06:20-11:55

1 stop5h 35m

£75

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Fri 3/10

15:00-18:55

1 stop3h 55m

£76

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Mon 22/9

08:40-08:15

1 stop23h 35m

£82

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Tue 23/9

21:35-08:05

1 stop10h 30m

£82

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Wed 24/9

13:05-19:30

1 stop6h 25m

£99

Flights are sorted by cheapest return flights first.

Deals found on 24/8

Showing 1-10 of 13 results
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Best time to book a flight from Gatwick to Portsmouth

Have a flexible travel schedule? Discover the best time to fly to Portsmouth from Gatwick 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 London Gatwick Airport to Portsmouth

What is the cheapest time of day to fly from LGW to P0R?

Find hourly flight availability from Gatwick to Portsmouth. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 27 August 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Gatwick Airport to Portsmouth as you normally would.

Related info for your journey

Find useful and relevant information for your journey from Gatwick to Portsmouth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from London Gatwick Airport to Portsmouth?

    There are many flights that can get you from London Gatwick Airport to Portsmouth in 7h 20m. Fly via easyJet to get the fastest option. The distance from London Gatwick Airport to Portsmouth is about 53 mi.

  • Can I find deals for flights from Gatwick to Portsmouth that include hotel bookings?

    Yes. In addition to deals on Gatwick to Portsmouth flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Gatwick to Portsmouth?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Gatwick to Portsmouth.

  • Can I find deals for business class flights from Gatwick to Portsmouth?

    Yes. Cheapflights offers flight deals from Gatwick to Portsmouth 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 London Gatwick Airport to Portsmouth?

    Currently, January is the cheapest month in which you can book a flight from London Gatwick Airport to Portsmouth (average of £112). Flying from London Gatwick Airport to Portsmouth in August is currently the most expensive (average of £164). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Gatwick to Portsmouth

See prices for flight routes from nearby airports that may be better suited for you.
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Fly with Cheapflights

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How does Cheapflights help users find flights from Gatwick to Portsmouth?

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

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Can Cheapflights find flights from Gatwick to Portsmouth with no change fees?

Certainly. Search results for flights to Portsmouth from Gatwick shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

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

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