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Cheap flights from Portsmouth to London Gatwick Airport from £63

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 23/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LGW
14 Feb — 21 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portsmouth to Gatwick

Keep the following information in mind while searching for Portsmouth to Gatwick flight deals. Data was last updated 15 January 2026.

Round-trip from

£121

One-way from

£63
27/1-29/1
  • 27/1-29/1
  • 2 total stops
  • 33h 00m total
  • Portsmouth to London
Search Deals
23/3
  • 23/3
  • 1 total stop
  • 27h 25m total
  • Portsmouth to London
Search Deals

Find 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 15 January 2026.

Tue 27/115:20
SOU
-
LGW
1 stop15h 50m
Multiple Airlines
Thu 29/120:35
LGW
-
SOU
1 stop17h 10m
Multiple Airlines
Deal found 13/1£121
Mon 19/109:30
SOU
-
LGW
1 stop9h 25m
Multiple Airlines
Mon 19/121:30
LGW
-
SOU
1 stop14h 25m
Multiple Airlines
Deal found 13/1£170
Wed 11/216:05
SOU
-
LGW
1 stop5h 00m
Multiple Airlines
Wed 18/210:10
LGW
-
SOU
1 stop5h 25m
Multiple Airlines
Deal found 14/1£190
Tue 17/308:00
SOU
-
LGW
1 stop9h 45m
Aurigny Air
Sat 21/311:50
LGW
-
SOU
1 stop7h 15m
Aurigny Air
Deal found 12/1£314
Wed 11/208:00
SOU
-
LGW
1 stop7h 50m
Aurigny Air
Wed 18/211:05
LGW
-
SOU
1 stop8h 00m
Aurigny Air
Deal found 14/1£343
Thu 29/108:00
SOU
-
LGW
1 stop11h 10m
Aurigny Air
Mon 2/218:25
LGW
-
SOU
1 stop13h 05m
Aurigny Air
Deal found 14/1£374
Sat 17/108:00
SOU
-
LGW
1 stop11h 10m
Aurigny Air
Fri 23/111:05
LGW
-
SOU
1 stop9h 45m
Aurigny Air
Deal found 13/1£388

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 15 January 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

Tue 27/1

15:20-07:10

1 stop15h 50m

London Gatwick

Thu 29/1

20:35-13:45

1 stop17h 10m

£121

SouthamptonLondon

SOU - LGW

SOULGW

Southampton Eastleigh

Wed 11/2

16:05-21:05

1 stop5h 00m

London Gatwick

Wed 18/2

10:10-15:35

1 stop5h 25m

£190

SouthamptonLondon

SOU - LGW

SOULGW

Southampton Eastleigh

Tue 17/3

08:00-17:45

1 stop9h 45m

London Gatwick

Sat 21/3

11:50-19:05

1 stop7h 15m

£314

SouthamptonLondon

SOU - LGW

SOULGW

Southampton Eastleigh

Wed 11/2

08:00-15:50

1 stop7h 50m

London Gatwick

Wed 18/2

11:05-19:05

1 stop8h 00m

£343

SouthamptonLondon

SOU - LGW

SOULGW

Southampton Eastleigh

Thu 29/1

08:00-19:10

1 stop11h 10m

London Gatwick

Mon 2/2

18:25-07:30

1 stop13h 05m

£374

SouthamptonLondon

SOU - LGW

SOULGW

Southampton Eastleigh

Thu 12/2

08:00-11:15

1 stop3h 15m

London Gatwick

Thu 19/2

11:05-15:30

1 stop4h 25m

£388

SouthamptonLondon

SOU - LGW

SOULGW

Southampton Eastleigh

Mon 23/3

19:55-23:20

1 stop27h 25m

£63

SouthamptonLondon

SOU - LGW

SOULGW

Southampton Eastleigh

Sun 15/3

18:20-22:00

1 stop27h 40m

£66

SouthamptonLondon

SOU - LGW

SOULGW

Southampton Eastleigh

Sun 22/3

15:25-07:25

1 stop16h 00m

£68

SouthamptonLondon

SOU - LGW

SOULGW

Southampton Eastleigh

Sun 15/3

18:20-08:25

2 stops14h 05m

£92

Flights are sorted by cheapest return flights first.

Deals found on 13/1

Showing 1-10 of 13 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 15 January 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
Slough
Gatwick
Hounslow
Wembley
Ilford
Brentford
Hayes
Colchester
Watford
Crawley
Kingston upon Thames
Bedford
Chelmsford
Eastbourne
Romford
Folkestone
Southall

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