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Cheap flights from London Gatwick Airport to Portsmouth from £78

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 17/4. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — LHR
23 Mar — 30 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap 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 February 2026.

Thu 16/413:35
LGW
-
SOU
1 stop19h 10m
Multiple Airlines
Mon 20/419:20
SOU
-
LGW
1 stop17h 30m
Multiple Airlines
Deal found 19/2£118
Tue 7/407:40
LGW
-
SOU
1 stop9h 35m
Multiple Airlines
Tue 14/418:10
SOU
-
LGW
2 stops17h 40m
Multiple Airlines
Deal found 21/2£139
Sat 4/418:45
LGW
-
SOU
1 stop14h 40m
Multiple Airlines
Sat 11/420:00
SOU
-
LGW
1 stop12h 15m
Multiple Airlines
Deal found 18/2£144
Sun 5/417:35
LGW
-
SOU
1 stop15h 05m
Multiple Airlines
Sun 12/410:00
SOU
-
LGW
1 stop12h 35m
Multiple Airlines
Deal found 18/2£150
Mon 20/408:40
LGW
-
SOU
1 stop8h 10m
Multiple Airlines
Sun 26/412:35
SOU
-
LGW
1 stop10h 00m
Multiple Airlines
Deal found 20/2£154
Mon 20/406:15
LGW
-
SOU
1 stop5h 35m
easyJet
Sun 26/412:35
SOU
-
LGW
1 stop10h 00m
easyJet
Deal found 20/2£160
Fri 6/321:35
LGW
-
SOU
1 stop11h 10m
Multiple Airlines
Tue 10/316:05
SOU
-
LGW
1 stop4h 55m
Multiple Airlines
Deal found 19/2£165
Wed 18/314:35
LGW
-
SOU
2 stops18h 10m
Multiple Airlines
Wed 25/309:25
SOU
-
LGW
1 stop12h 35m
Multiple Airlines
Deal found 18/2£179
Wed 15/411:45
LGW
-
SOU
1 stop7h 45m
Multiple Airlines
Tue 21/409:10
SOU
-
LGW
1 stop7h 45m
Multiple Airlines
Deal found 20/2£179

Find 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 February 2026.

Round-trip from

£118

One-way from

£78
16/4-20/4
  • 16/4-20/4
  • 2 total stops
  • 36h 40m total
  • London to Portsmouth
Search Deals
17/4
  • 17/4
  • 1 total stop
  • 10h 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 February 2026.
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 16/4

13:35-08:45

1 stop19h 10m

Southampton Eastleigh

Mon 20/4

19:20-12:50

1 stop17h 30m

£118

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Sun 5/4

17:35-08:40

1 stop15h 05m

Southampton Eastleigh

Sun 12/4

10:00-22:35

1 stop12h 35m

£150

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Sat 4/4

18:45-09:25

1 stop14h 40m

Southampton Eastleigh

Sat 11/4

08:50-20:45

2 stops11h 55m

£151

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Tue 7/4

07:40-17:15

1 stop9h 35m

Southampton Eastleigh

Tue 14/4

09:10-16:55

1 stop7h 45m

£151

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Mon 20/4

08:40-16:50

1 stop8h 10m

Southampton Eastleigh

Sun 26/4

12:35-22:35

1 stop10h 00m

£154

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Mon 20/4

06:15-11:50

1 stop5h 35m

Southampton Eastleigh

Sun 26/4

12:35-22:35

1 stop10h 00m

£160

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Fri 6/3

21:35-08:45

1 stop11h 10m

Southampton Eastleigh

Tue 10/3

16:05-21:00

1 stop4h 55m

£165

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Thu 19/3

21:40-08:45

1 stop11h 05m

Southampton Eastleigh

Thu 26/3

14:15-21:20

1 stop7h 05m

£182

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Wed 18/3

21:40-08:45

1 stop11h 05m

Southampton Eastleigh

Wed 25/3

09:25-22:00

1 stop12h 35m

£183

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Sun 22/3

08:25-08:20

2 stops23h 55m

Southampton Eastleigh

Tue 24/3

16:05-21:00

1 stop4h 55m

£195

Flights are sorted by cheapest return flights first.

Deals found on 19/2

Showing 1-10 of 19 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 February 2026.

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

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

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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.

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