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Cheap flights from Portsmouth to London Gatwick Airport from £79

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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LGW
20 Jul — 27 Jul1
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 20 June 2026.

Tue 7/720:00
SOU
-
LGW
1 stop15h 05m
Multiple Airlines
Wed 29/722:00
LGW
-
SOU
1 stop10h 40m
Multiple Airlines
Deal found 18/6£154
Wed 15/709:20
SOU
-
LGW
1 stop5h 50m
Multiple Airlines
Wed 22/722:00
LGW
-
SOU
1 stop10h 40m
Multiple Airlines
Deal found 17/6£162
Thu 16/709:25
SOU
-
LGW
1 stop14h 45m
Multiple Airlines
Thu 23/708:40
LGW
-
SOU
1 stop10h 50m
Multiple Airlines
Deal found 18/6£164
Mon 13/720:40
SOU
-
LGW
1 stop16h 00m
Multiple Airlines
Mon 20/706:50
LGW
-
SOU
1 stop12h 10m
Multiple Airlines
Deal found 15/6£168
Fri 31/720:10
SOU
-
LGW
1 stop12h 20m
Multiple Airlines
Fri 7/808:55
LGW
-
SOU
2 stops22h 25m
Multiple Airlines
Deal found 16/6£196
Thu 16/708:55
SOU
-
LGW
1 stop13h 40m
Multiple Airlines
Sun 19/722:10
LGW
-
SOU
2 stops13h 40m
Multiple Airlines
Deal found 15/6£210

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 20 June 2026.

Round-trip from

£154

One-way from

£79
7/7-29/7
  • 7/7-29/7
  • 2 total stops
  • 25h 45m total
  • Portsmouth to London
Search Deals
8/7
  • 8/7
  • 1 total stop
  • 10h 55m 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 20 June 2026.
Use the filters below to find and compare flights from Portsmouth to London Gatwick Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonLondon

SOU - LGW

SOULGW

Southampton Eastleigh

Tue 7/7

20:00-11:05

1 stop15h 05m

London Gatwick

Wed 29/7

22:00-08:40

1 stop10h 40m

£154
Fastest return journey

SouthamptonLondon

SOU - LGW

SOULGW

Southampton Eastleigh

Wed 15/7

09:20-15:10

1 stop5h 50m

London Gatwick

Wed 22/7

22:00-08:40

1 stop10h 40m

£162

SouthamptonLondon

SOU - LGW

SOULGW

Southampton Eastleigh

Mon 13/7

20:40-12:40

1 stop16h 00m

London Gatwick

Mon 20/7

06:50-19:00

1 stop12h 10m

£168

SouthamptonLondon

SOU - LGW

SOULGW

Southampton Eastleigh

Thu 16/7

08:55-21:20

1 stop12h 25m

London Gatwick

Sun 19/7

21:15-11:50

1 stop14h 35m

£215

SouthamptonLondon

SOU - LGW

SOULGW

Southampton Eastleigh

Fri 17/7

20:00-08:25

1 stop12h 25m

London Gatwick

Fri 24/7

22:00-08:40

1 stop10h 40m

£222

SouthamptonLondon

SOU - LGW

SOULGW

Southampton Eastleigh

Thu 30/7

08:00-15:45

1 stop7h 45m

London Gatwick

Thu 6/8

19:40-07:30

1 stop11h 50m

£309

SouthamptonLondon

SOU - LGW

SOULGW

Southampton Eastleigh

Fri 17/7

08:55-15:50

1 stop6h 55m

London Gatwick

Fri 17/7

22:00-08:40

1 stop10h 40m

£309
Cheapest one-way
Fastest single journey

SouthamptonLondon

SOU - LGW

SOULGW

Southampton Eastleigh

Wed 8/7

09:20-20:15

1 stop10h 55m

£79

SouthamptonLondon

SOU - LGW

SOULGW

Southampton Eastleigh

Wed 22/7

20:00-07:55

1 stop11h 55m

£84

SouthamptonLondon

SOU - LGW

SOULGW

Southampton Eastleigh

Tue 28/7

20:00-09:20

1 stop13h 20m

£89

Flights are sorted by cheapest return flights first.

Deals found on 18/6

Showing 1-10 of 12 resultsSorted by cheapest first
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 20 June 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
Hounslow
Milton Keynes
Wembley
Luton
Gatwick
Croydon
Slough
Ilford
Hayes
Brentford
Colchester
Kingston upon Thames
Eastbourne
Watford
Guildford
Romford
Ipswich
Borehamwood
Folkestone
Southall

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 Portsmouth to Gatwick

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 Portsmouth to Gatwick?

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Why should you use Cheapflights to find cheap flight tickets from Portsmouth to Gatwick?

Millions of users choose and trust Cheapflights to book the best flight deals from Portsmouth to Gatwick for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Portsmouth to Gatwick with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Portsmouth to Gatwick flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Portsmouth to Gatwick become cheaper?

Yes! Start tracking prices for Portsmouth to Gatwick flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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