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Cheap flights from London Gatwick Airport to Portsmouth from £72

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 18/9. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — LHR
27 Jul — 3 Aug1
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 27 June 2026.

Thu 20/808:40
LGW
-
SOU
1 stop10h 50m
Multiple Airlines
Mon 24/809:20
SOU
-
LGW
1 stop7h 50m
Multiple Airlines
Deal found 27/6£148
Wed 19/822:00
LGW
-
SOU
1 stop10h 40m
Multiple Airlines
Sat 22/807:50
SOU
-
LGW
2 stops12h 05m
Multiple Airlines
Deal found 26/6£151
Sat 15/818:45
LGW
-
SOU
1 stop13h 50m
Multiple Airlines
Thu 20/820:00
SOU
-
LGW
1 stop12h 20m
Multiple Airlines
Deal found 23/6£158
Sat 8/807:30
LGW
-
SOU
1 stop4h 15m
Multiple Airlines
Sat 15/820:00
SOU
-
LGW
1 stop14h 55m
Multiple Airlines
Deal found 26/6£163
Wed 12/822:00
LGW
-
SOU
1 stop10h 40m
Multiple Airlines
Sat 29/807:50
SOU
-
LGW
2 stops12h 55m
Multiple Airlines
Deal found 23/6£164
Sat 8/818:55
LGW
-
SOU
1 stop14h 30m
Multiple Airlines
Sat 22/807:50
SOU
-
LGW
2 stops12h 55m
Multiple Airlines
Deal found 22/6£168
Sat 22/818:55
LGW
-
SOU
1 stop14h 30m
easyJet
Sun 30/812:35
SOU
-
LGW
1 stop10h 00m
easyJet
Deal found 24/6£173
Thu 23/713:10
LGW
-
SOU
1 stop6h 20m
Multiple Airlines
Thu 30/720:00
SOU
-
LGW
1 stop12h 20m
Multiple Airlines
Deal found 25/6£176
Fri 7/819:20
LGW
-
SOU
1 stop12h 00m
Multiple Airlines
Fri 14/817:20
SOU
-
LGW
1 stop15h 05m
Multiple Airlines
Deal found 23/6£179
Thu 6/818:25
LGW
-
SOU
1 stop14h 15m
Multiple Airlines
Sun 9/820:00
SOU
-
LGW
1 stop11h 55m
Multiple Airlines
Deal found 25/6£180

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 27 June 2026.

Round-trip from

£151

One-way from

£72
19/8-22/8
  • 19/8-22/8
  • 3 total stops
  • 22h 45m total
  • London to Portsmouth
Search Deals
easyJet
  • easyJet
  • 18/9
  • 1 total stop
  • 12h 55m 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 27 June 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 20/8

08:40-19:30

1 stop10h 50m

Southampton Eastleigh

Mon 24/8

09:20-17:10

1 stop7h 50m

£148

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Wed 19/8

22:00-08:40

1 stop10h 40m

Southampton Eastleigh

Sat 22/8

07:50-19:55

2 stops12h 05m

£151
Fastest return journey

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Thu 3/9

20:35-08:45

1 stop12h 10m

Southampton Eastleigh

Sat 5/9

07:50-11:55

1 stop4h 05m

£158

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Sat 22/8

18:55-09:25

1 stop14h 30m

Southampton Eastleigh

Sun 30/8

12:35-22:35

1 stop10h 00m

£163

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Sat 8/8

07:30-11:45

1 stop4h 15m

Southampton Eastleigh

Sat 15/8

20:00-10:55

1 stop14h 55m

£163

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Thu 6/8

14:45-19:30

1 stop4h 45m

Southampton Eastleigh

Fri 7/8

20:00-08:25

1 stop12h 25m

£182

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Sat 8/8

18:55-09:25

1 stop14h 30m

Southampton Eastleigh

Sat 22/8

09:20-18:55

1 stop9h 35m

£194

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Thu 6/8

14:45-19:30

1 stop4h 45m

Southampton Eastleigh

Sun 9/8

20:00-07:55

1 stop11h 55m

£200
Cheapest one-way

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Fri 18/9

18:25-07:20

1 stop12h 55m

£72

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Sat 29/8

18:55-09:25

1 stop14h 30m

£75

Flights are sorted by cheapest return flights first.

Deals found on 22/6

Showing 1-10 of 18 resultsSorted by cheapest first
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 27 June 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.

  • 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 14h 30m. 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.

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

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights helps you search for flights from Gatwick to Portsmouth via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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.

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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