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Cheap flights from Portsmouth to London Gatwick Airport from £85

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.
LHR — LGW
8 Mar — 15 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portsmouth to Gatwick

Enter your travel dates to find the best prices.

Cheapest flights from Portsmouth to Gatwick
Explore the most affordable flight options available from Portsmouth to Gatwick. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 February 2026.

Wed 4/308:55
SOU
-
LGW
1 stop6h 45m
Multiple Airlines
Wed 11/321:40
LGW
-
SOU
1 stop11h 05m
Multiple Airlines
Deal found 4/2£138
Sat 21/313:55
SOU
-
LGW
1 stop8h 10m
Multiple Airlines
Sat 28/320:00
LGW
-
SOU
1 stop10h 55m
Multiple Airlines
Deal found 4/2£153
Mon 1/612:55
SOU
-
LGW
1 stop4h 05m
easyJet
Sun 7/607:55
LGW
-
SOU
1 stop4h 10m
easyJet
Deal found 2/2£168
Thu 19/317:55
SOU
-
LGW
1 stop4h 15m
Multiple Airlines
Thu 26/311:35
LGW
-
SOU
1 stop8h 05m
Multiple Airlines
Deal found 1/2£172
Thu 5/319:00
SOU
-
LGW
1 stop13h 00m
Multiple Airlines
Thu 12/318:25
LGW
-
SOU
1 stop13h 15m
Multiple Airlines
Deal found 5/2£182
Fri 20/317:45
SOU
-
LGW
1 stop4h 15m
Multiple Airlines
Fri 27/321:35
LGW
-
SOU
1 stop11h 10m
Multiple Airlines
Deal found 3/2£186
Tue 3/215:20
SOU
-
LGW
1 stop15h 50m
Multiple Airlines
Tue 10/208:30
LGW
-
SOU
1 stop6h 20m
Multiple Airlines
Deal found 2/2£212
Tue 17/208:55
SOU
-
LGW
1 stop6h 40m
Multiple Airlines
Sat 21/222:30
LGW
-
SOU
1 stop10h 15m
Multiple Airlines
Deal found 4/2£226

Find flight deals from Portsmouth to Gatwick

Keep the following information in mind while searching for Portsmouth to Gatwick flight deals. Data was last updated 6 February 2026.

Round-trip from

£138

One-way from

£85
4/3-11/3
  • 4/3-11/3
  • 2 total stops
  • 17h 50m total
  • Portsmouth to London
Search Deals
easyJet
  • easyJet
  • 17/4
  • 1 total stop
  • 9h 50m total
  • Portsmouth to London
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portsmouth to Gatwick 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 6 February 2026.
Use the filters below to find and compare flights from Portsmouth to London Gatwick Airport that are best for you.

Fly from

Portsmouth

Fly to

Gatwick

Route

Depart

Return

Price

SouthamptonLondon

SOU - LGW

SOULGW

Southampton Eastleigh

Sat 21/3

13:55-22:05

1 stop8h 10m

London Gatwick

Sat 28/3

20:00-06:55

1 stop10h 55m

£153

SouthamptonLondon

SOU - LGW

SOULGW

Southampton Eastleigh

Thu 19/3

17:55-22:10

1 stop4h 15m

London Gatwick

Thu 26/3

11:35-19:40

1 stop8h 05m

£172

SouthamptonLondon

SOU - LGW

SOULGW

Southampton Eastleigh

Thu 5/3

19:00-08:00

1 stop13h 00m

London Gatwick

Thu 12/3

18:25-07:40

1 stop13h 15m

£182

SouthamptonLondon

SOU - LGW

SOULGW

Southampton Eastleigh

Fri 20/3

17:45-22:00

1 stop4h 15m

London Gatwick

Fri 27/3

21:35-08:45

1 stop11h 10m

£186

SouthamptonLondon

SOU - LGW

SOULGW

Southampton Eastleigh

Tue 17/2

08:55-15:35

1 stop6h 40m

London Gatwick

Sat 21/2

22:30-08:45

1 stop10h 15m

£226

SouthamptonLondon

SOU - LGW

SOULGW

Southampton Eastleigh

Wed 18/2

08:55-15:35

1 stop6h 40m

London Gatwick

Sun 22/2

21:05-14:00

1 stop16h 55m

£264

SouthamptonLondon

SOU - LGW

SOULGW

Southampton Eastleigh

Sun 15/2

20:10-08:25

1 stop12h 15m

London Gatwick

Thu 19/2

06:10-13:35

1 stop7h 25m

£280

SouthamptonLondon

SOU - LGW

SOULGW

Southampton Eastleigh

Fri 17/4

08:00-17:50

1 stop9h 50m

£85

SouthamptonLondon

SOU - LGW

SOULGW

Southampton Eastleigh

Wed 15/4

12:30-08:40

1 stop20h 10m

£86

SouthamptonLondon

SOU - LGW

SOULGW

Southampton Eastleigh

Wed 15/4

12:30-21:15

2 stops8h 45m

£90

Flights are sorted by cheapest return flights first.

Deals found on 2/2

Showing 1-10 of 17 results
1
2

Best time to book a flight from Portsmouth to Gatwick

Have a flexible travel schedule? Discover the best time to fly to Gatwick from Portsmouth 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 Portsmouth to London Gatwick Airport

What is the cheapest time of day to fly from P0R to LGW?

Find hourly flight availability from Portsmouth to Gatwick. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 6 February 2026.

When flying from Portsmouth to London Gatwick Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Find useful and relevant information for your journey from Portsmouth to Gatwick. 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 Portsmouth to Gatwick that include hotel bookings?

    Yes. In addition to deals on Portsmouth to Gatwick flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Portsmouth to Gatwick?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portsmouth to Gatwick.

  • Can I find deals for business class flights from Portsmouth to Gatwick?

    Yes. Cheapflights offers flight deals from Portsmouth to Gatwick by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Travelling to a place near London Gatwick Airport?

Book flights to London Gatwick Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Luton
Wembley
Gatwick
Slough
Ilford
Hounslow
Brentford
Hayes
Colchester
Watford
Guildford
Bedford
Chelmsford
Eastbourne
Crawley
Kingston upon Thames
Romford
Ipswich

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Portsmouth to Gatwick

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