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Cheap flights from London Gatwick Airport to Portsmouth from £69

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 16/12. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — LHR
21 Dec — 28 Dec1
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 21 November 2025.

Sat 6/1220:10LGW - SOU
1 stop12h 35mMultiple Airlines
Sat 13/1213:55SOU - LGW
1 stop8h 10mMultiple Airlines
Deal found 18/11£161
Fri 5/1207:25LGW - SOU
1 stop6h 20mMultiple Airlines
Tue 9/1215:20SOU - LGW
1 stop15h 50mMultiple Airlines
Deal found 20/11£179
Wed 17/1206:05LGW - SOU
2 stops26h 40mMultiple Airlines
Fri 19/1208:10SOU - LGW
1 stop9h 45mMultiple Airlines
Deal found 19/11£196
Wed 19/1112:10LGW - SOU
1 stop7h 10mMultiple Airlines
Wed 26/1116:05SOU - LGW
1 stop5h 00mMultiple Airlines
Deal found 18/11£273
Fri 19/1213:00LGW - SOU
1 stop6h 20mMultiple Airlines
Fri 26/1208:10SOU - LGW
1 stop9h 45mMultiple Airlines
Deal found 18/11£276

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 21 November 2025.

Round-trip from

£146

One-way from

£69
1/1-7/1
  • 1/1-7/1
  • 2 total stops
  • 18h 25m total
  • London to Portsmouth
Search Deals
easyJet
  • easyJet
  • 16/12
  • 1 total stop
  • 23h 40m total
  • London to Portsmouth
Search Deals

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 21 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

Thu 1/1

12:15-17:20

1 stop5h 05m

Southampton Eastleigh

Wed 7/1

08:55-22:15

1 stop13h 20m

£146

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Sat 3/1

17:45-08:45

1 stop15h 00m

Southampton Eastleigh

Sat 10/1

15:20-12:45

2 stops21h 25m

£164

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Sat 6/12

22:30-08:45

1 stop10h 15m

Southampton Eastleigh

Sat 13/12

13:55-08:00

2 stops18h 05m

£170

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Fri 5/12

07:25-13:45

1 stop6h 20m

Southampton Eastleigh

Tue 9/12

15:20-07:10

1 stop15h 50m

£179

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Wed 17/12

11:15-19:40

1 stop8h 25m

Southampton Eastleigh

Fri 19/12

08:10-17:55

1 stop9h 45m

£200

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Tue 16/12

09:10-08:50

1 stop23h 40m

£69

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Mon 15/12

07:15-14:00

1 stop6h 45m

£77

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Fri 13/3

07:00-19:20

2 stops12h 20m

£103

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Tue 16/12

18:25-07:30

1 stop13h 05m

£180

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Mon 15/12

08:35-20:50

1 stop12h 15m

£188

Flights are sorted by cheapest return flights first.

Deals found on 18/11

Showing 1-10 of 12 results
1
2

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 21 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.

Browse thousands of different options on Cheapflights for your next trip

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