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Cheap flights from London Gatwick Airport to Portsmouth from £83

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 18/3. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — LHR
4 Mar — 11 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 2 February 2026.

Mon 16/318:35
LGW
-
SOU
1 stop14h 15m
easyJet
Mon 30/320:40
SOU
-
LGW
1 stop11h 55m
easyJet
Deal found 1/2£133
Wed 4/221:40
LGW
-
SOU
1 stop11h 05m
Multiple Airlines
Wed 11/212:25
SOU
-
LGW
1 stop6h 05m
Multiple Airlines
Deal found 30/1£145
Mon 16/309:00
LGW
-
SOU
2 stops23h 50m
Multiple Airlines
Mon 30/320:40
SOU
-
LGW
1 stop11h 55m
Multiple Airlines
Deal found 1/2£146
Thu 19/321:40
LGW
-
SOU
1 stop11h 05m
Multiple Airlines
Thu 26/317:55
SOU
-
LGW
1 stop4h 15m
Multiple Airlines
Deal found 2/2£152
Tue 17/316:00
LGW
-
SOU
2 stops19h 55m
Multiple Airlines
Tue 24/309:20
SOU
-
LGW
2 stops27h 15m
Multiple Airlines
Deal found 31/1£172
Sat 21/222:30
LGW
-
SOU
1 stop10h 15m
Multiple Airlines
Tue 24/216:05
SOU
-
LGW
1 stop4h 55m
Multiple Airlines
Deal found 1/2£199
Mon 16/216:20
LGW
-
SOU
2 stops16h 30m
Multiple Airlines
Fri 20/217:45
SOU
-
LGW
1 stop4h 10m
Multiple Airlines
Deal found 2/2£216
Mon 16/218:35
LGW
-
SOU
1 stop14h 15m
easyJet
Fri 20/217:45
SOU
-
LGW
1 stop4h 10m
easyJet
Deal found 2/2£237
Sat 13/607:30
LGW
-
SOU
1 stop4h 15m
easyJet
Fri 26/620:45
SOU
-
LGW
1 stop11h 55m
easyJet
Deal found 31/1£238
Sat 18/707:30
LGW
-
SOU
1 stop4h 15m
Multiple Airlines
Fri 24/708:55
SOU
-
LGW
1 stop6h 55m
Multiple Airlines
Deal found 1/2£264

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 2 February 2026.

Round-trip from

£133

One-way from

£83
easyJet
  • easyJet
  • 16/3-30/3
  • 2 total stops
  • 26h 10m total
  • London to Portsmouth
Search Deals
18/3
  • 18/3
  • 1 total stop
  • 12h 20m 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 2 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

Tue 17/3

18:35-08:50

1 stop14h 15m

Southampton Eastleigh

Tue 24/3

09:20-18:15

1 stop8h 55m

£133

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Mon 16/3

09:00-08:50

2 stops23h 50m

Southampton Eastleigh

Mon 30/3

20:40-08:35

1 stop11h 55m

£146

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Tue 17/3

18:35-08:50

1 stop14h 15m

Southampton Eastleigh

Tue 24/3

09:20-12:35

2 stops27h 15m

£146

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Thu 19/3

21:40-08:45

1 stop11h 05m

Southampton Eastleigh

Thu 26/3

17:55-22:10

1 stop4h 15m

£152

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Sat 21/2

22:30-08:45

1 stop10h 15m

Southampton Eastleigh

Tue 24/2

16:05-21:00

1 stop4h 55m

£199

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Mon 16/2

18:35-08:50

1 stop14h 15m

Southampton Eastleigh

Fri 20/2

17:45-21:55

1 stop4h 10m

£237

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Sat 13/6

07:30-11:45

1 stop4h 15m

Southampton Eastleigh

Fri 26/6

20:45-08:40

1 stop11h 55m

£238

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Sat 18/7

07:30-11:45

1 stop4h 15m

Southampton Eastleigh

Fri 24/7

08:55-15:50

1 stop6h 55m

£264

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Sun 15/2

21:05-14:00

1 stop16h 55m

Southampton Eastleigh

Thu 19/2

17:55-22:10

1 stop4h 15m

£280

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Wed 11/3

11:50-19:05

1 stop7h 15m

Southampton Eastleigh

Sat 14/3

19:35-07:55

1 stop12h 20m

£300

Flights are sorted by cheapest return flights first.

Deals found on 2/2

Showing 1-10 of 14 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 2 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.

  • 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 15m. 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

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

Alternative routes for Gatwick to Portsmouth

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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?

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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.

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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