Cheap flights from London Gatwick Airport to Portsmouth from £66

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 13/1. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — LHR
30 Dec — 6 Jan1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Gatwick to Portsmouth

Enter your travel dates to find the best prices.

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 30 November 2025.

Mon 15/1207:15LGW - SOU
1 stop6h 45mMultiple Airlines
Tue 16/1209:20SOU - LGW
2 stops23h 35mMultiple Airlines
Deal found 29/11£153
Thu 11/1206:10LGW - SOU
1 stop7h 25measyJet
Fri 12/1208:10SOU - LGW
1 stop7h 20measyJet
Deal found 29/11£156
Sat 13/1214:40LGW - SOU
3 stops24h 05mMultiple Airlines
Wed 17/1212:25SOU - LGW
1 stop7h 05mMultiple Airlines
Deal found 28/11£202
Fri 26/1214:55LGW - SOU
1 stop4h 45mMultiple Airlines
Fri 2/117:45SOU - LGW
2 stops15h 30mMultiple Airlines
Deal found 28/11£222
Sat 27/1221:30LGW - SOU
1 stop11h 15mMultiple Airlines
Sat 3/109:45SOU - LGW
2 stops22h 15mMultiple Airlines
Deal found 29/11£283

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 30 November 2025.

Round-trip from

£121

One-way from

£66
13/1-20/1
  • 13/1-20/1
  • 2 total stops
  • 22h 10m total
  • London to Portsmouth
13/1
  • 13/1
  • 1 total stop
  • 6h 20m total
  • London to Portsmouth

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 30 November 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

Tue 13/1

08:30-14:50

1 stop6h 20m

Southampton Eastleigh

Tue 20/1

15:20-07:10

1 stop15h 50m

£121

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Mon 12/1

13:10-19:40

1 stop6h 30m

Southampton Eastleigh

Mon 19/1

12:05-22:00

1 stop9h 55m

£122

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Mon 15/12

07:15-14:00

1 stop6h 45m

Southampton Eastleigh

Tue 16/12

09:20-22:15

1 stop12h 55m

£153

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Mon 15/12

07:15-14:00

1 stop6h 45m

Southampton Eastleigh

Tue 16/12

09:20-08:55

2 stops23h 35m

£153

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Thu 11/12

06:10-13:35

1 stop7h 25m

Southampton Eastleigh

Fri 12/12

08:10-15:30

1 stop7h 20m

£156

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Sat 13/12

14:40-14:45

3 stops24h 05m

Southampton Eastleigh

Wed 17/12

12:25-19:30

1 stop7h 05m

£202

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Tue 13/1

08:30-14:50

1 stop6h 20m

£66

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Sat 14/3

11:50-19:05

1 stop7h 15m

£162

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Sun 15/2

08:35-20:15

1 stop11h 40m

£162

Flights are sorted by cheapest return flights first.

Deals found on 29/11

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 30 November 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.
  • 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.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Gatwick to Portsmouth for you. Better yet — we are completely free to use.

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.

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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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