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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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — LHR
28 Apr — 5 May1
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 29 March 2026.

Thu 23/420:35
LGW
-
SOU
1 stop12h 10m
Multiple Airlines
Mon 27/419:20
SOU
-
LGW
1 stop14h 10m
Multiple Airlines
Deal found 27/3£122
Sat 25/415:55
LGW
-
SOU
1 stop16h 00m
Multiple Airlines
Sat 2/520:00
SOU
-
LGW
1 stop12h 15m
Multiple Airlines
Deal found 26/3£141
Tue 14/418:20
LGW
-
SOU
1 stop13h 45m
Multiple Airlines
Sat 18/420:00
SOU
-
LGW
1 stop13h 25m
Multiple Airlines
Deal found 25/3£146
Sat 9/518:40
LGW
-
SOU
1 stop13h 15m
Multiple Airlines
Sat 16/519:40
SOU
-
LGW
1 stop12h 50m
Multiple Airlines
Deal found 25/3£148
Sun 10/508:55
LGW
-
SOU
1 stop7h 55m
Multiple Airlines
Sun 17/520:00
SOU
-
LGW
1 stop11h 55m
Multiple Airlines
Deal found 26/3£158

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 29 March 2026.

Round-trip from

£122

One-way from

£75
23/4-27/4
  • 23/4-27/4
  • 2 total stops
  • 26h 20m total
  • London to Portsmouth
Search Deals
14/4
  • 14/4
  • 1 total stop
  • 12h 10m 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 29 March 2026.
Use the filters below to find and compare flights from London Gatwick Airport to Portsmouth that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Thu 23/4

20:35-08:45

1 stop12h 10m

Southampton Eastleigh

Mon 27/4

19:20-09:30

1 stop14h 10m

£122

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Sat 25/4

15:55-07:55

1 stop16h 00m

Southampton Eastleigh

Sat 2/5

20:00-08:15

1 stop12h 15m

£141

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Tue 12/5

07:40-17:15

1 stop9h 35m

Southampton Eastleigh

Tue 19/5

18:10-10:30

1 stop16h 20m

£148

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Fri 17/4

22:00-08:40

1 stop10h 40m

Southampton Eastleigh

Sun 19/4

20:00-08:55

1 stop12h 55m

£173

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Sun 12/4

21:15-11:50

1 stop14h 35m

Southampton Eastleigh

Thu 16/4

08:55-22:10

1 stop13h 15m

£222

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Fri 14/8

16:25-07:30

1 stop15h 05m

Southampton Eastleigh

Tue 1/9

19:55-11:20

1 stop15h 25m

£283
Fastest return journey

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Thu 13/8

16:25-19:25

1 stop3h 00m

Southampton Eastleigh

Tue 1/9

19:55-10:25

1 stop14h 30m

£283

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Tue 21/4

19:40-07:30

1 stop11h 50m

Southampton Eastleigh

Wed 22/4

19:55-07:55

1 stop12h 00m

£344

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Tue 21/4

19:40-07:30

1 stop11h 50m

Southampton Eastleigh

Sat 25/4

08:00-17:45

1 stop9h 45m

£346

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Wed 3/6

11:55-19:25

1 stop7h 30m

Southampton Eastleigh

Sat 6/6

08:00-19:10

1 stop11h 10m

£348

Flights are sorted by cheapest return flights first.

Deals found on 24/3

Showing 1-10 of 22 resultsSorted by cheapest first
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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 29 March 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.

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.

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