What is the cheapest month to book a flight from London Gatwick Airport to Portsmouth?

Currently, January is the cheapest month in which you can book a flight from London Gatwick Airport to Portsmouth (average of £112). Flying from London Gatwick Airport to Portsmouth in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

In terms of precipitation, rainfall in Portsmouth ranges from 25.0 - 76.0 inches per month. December is typically the wettest month, when rainfall can reach 76.0 mm. July is typically the driest time to visit Portsmouth when rainfall is around 25.0 mm.

If weather is an important factor for your trip to Portsmouth, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 18.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 4.0 C).

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.

£62+ Cheap Flights from London Gatwick Airport to Portsmouth

Cheap flight deals from Gatwick to Portsmouth

Round-trip from	£140
One-way from	£62

1/11-8/11
2 total stops
10h 25m total
London to Portsmouth

Search Deals

20/10
1 total stop
10h 45m total
London to Portsmouth

Search Deals

Find flight deals from Gatwick to Portsmouth

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 18 September 2025.

Sat 1/1108:30LGW - SOU

1 stop6h 20mMultiple Airlines

Sat 8/1115:20SOU - LGW

1 stop4h 05mMultiple Airlines

Deal found 17/9£140

Thu 2/1019:40LGW - SOU

1 stop23h 15mMultiple Airlines

Wed 8/1009:00SOU - LGW

1 stop7h 20mMultiple Airlines

Deal found 16/9£153

Fri 31/1020:10LGW - SOU

1 stop12h 35mMultiple Airlines

Fri 7/1119:50SOU - LGW

1 stop16h 15mMultiple Airlines

Deal found 16/9£157

Thu 2/1019:40LGW - SOU

1 stop23h 15mMultiple Airlines

Mon 6/1008:05SOU - LGW

1 stop6h 20mMultiple Airlines

Deal found 17/9£162

Fri 26/906:20LGW - SOU

1 stop5h 35mMultiple Airlines

Mon 29/908:05SOU - LGW

1 stop22h 55mMultiple Airlines

Deal found 17/9£166

Sat 4/1018:40LGW - SOU

1 stop13h 15mMultiple Airlines

Sat 11/1008:55SOU - LGW

1 stop6h 55mMultiple Airlines

Deal found 16/9£179

Sun 21/907:40LGW - SOU

1 stop23h 55mMultiple Airlines

Wed 24/908:55SOU - LGW

1 stop13h 35mMultiple Airlines

Deal found 16/9£183

Wed 1/1020:50LGW - SOU

1 stop11h 50mMultiple Airlines

Sat 4/1008:25SOU - LGW

2 stops12h 30mMultiple Airlines

Deal found 17/9£184

Wed 1/1022:00LGW - SOU

1 stop10h 40mMultiple Airlines

Fri 3/1012:30SOU - LGW

1 stop4h 55mMultiple Airlines

Deal found 17/9£200

Best flights from Gatwick to Portsmouth
Discover carefully curated flight deals from Gatwick to Portsmouth that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 September 2025.

Sat 1/1108:30LGW - SOU

1 stop6h 20mMultiple Airlines

Sat 8/1115:20SOU - LGW

1 stop4h 05mMultiple Airlines

Deal found 17/9£140

Tue 3/318:25LGW - SOU

1 stop13h 05mAurigny Air

Wed 4/319:55SOU - LGW

1 stop14h 30mAurigny Air

Deal found 15/9£257

Thu 2/1019:40LGW - SOU

1 stop23h 15mMultiple Airlines

Wed 8/1009:00SOU - LGW

1 stop7h 20mMultiple Airlines

Deal found 16/9£153

Fri 31/1020:10LGW - SOU

1 stop12h 35mMultiple Airlines

Fri 7/1119:50SOU - LGW

1 stop16h 15mMultiple Airlines

Deal found 16/9£157

Thu 2/1019:40LGW - SOU

1 stop23h 15mMultiple Airlines

Mon 6/1008:05SOU - LGW

1 stop6h 20mMultiple Airlines

Deal found 17/9£162

Sat 4/1018:40LGW - SOU

1 stop13h 15mMultiple Airlines

Sat 11/1008:55SOU - LGW

1 stop6h 55mMultiple Airlines

Deal found 16/9£179

Wed 1/1020:50LGW - SOU

1 stop11h 50mMultiple Airlines

Sat 4/1018:55SOU - LGW

1 stop14h 15mMultiple Airlines

Deal found 17/9£189

Wed 1/1022:00LGW - SOU

1 stop10h 40mMultiple Airlines

Fri 3/1012:30SOU - LGW

1 stop4h 55mMultiple Airlines

Deal found 17/9£200

Last-minute flights from Gatwick to Portsmouth
Discover last-minute flight deals from Gatwick to Portsmouth. Data last updated 18 September 2025 and is based on user searches.

Sun 21/907:40LGW - SOU

1 stop23h 55mMultiple Airlines

Wed 24/908:55SOU - LGW

1 stop13h 35mMultiple Airlines

Deal found 16/9£183

Mon 22/921:30LGW - SOU

1 stop10h 45mMultiple Airlines

Tue 23/912:25SOU - LGW

1 stop11h 00mMultiple Airlines

Deal found 16/9£215

Fri 26/906:20LGW - SOU

1 stop5h 35mMultiple Airlines

Mon 29/908:05SOU - LGW

1 stop22h 55mMultiple Airlines

Deal found 17/9£166

Wed 1/1020:50LGW - SOU

1 stop11h 50mMultiple Airlines

Sat 4/1008:25SOU - LGW

2 stops12h 30mMultiple Airlines

Deal found 17/9£184

Wed 1/1022:00LGW - SOU

1 stop10h 40mMultiple Airlines

Fri 3/1012:30SOU - LGW

1 stop4h 55mMultiple Airlines

Deal found 17/9£200

Thu 2/1019:40LGW - SOU

1 stop23h 15mMultiple Airlines

Wed 8/1009:00SOU - LGW

1 stop7h 20mMultiple Airlines

Deal found 16/9£153

Thu 2/1019:40LGW - SOU

1 stop23h 15mMultiple Airlines

Mon 6/1008:05SOU - LGW

1 stop6h 20mMultiple Airlines

Deal found 17/9£162

Sat 4/1018:40LGW - SOU

1 stop13h 15mMultiple Airlines

Sat 11/1008:55SOU - LGW

1 stop6h 55mMultiple Airlines

Deal found 16/9£179

Fri 31/1020:10LGW - SOU

1 stop12h 35mMultiple Airlines

Fri 7/1119:50SOU - LGW

1 stop16h 15mMultiple Airlines

Deal found 16/9£157

Cheapflights Fare Finder

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

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Sat 1/11

08:30-14:50

1 stop6h 20m

Southampton Eastleigh

Sat 8/11

15:20-19:25

1 stop4h 05m

£140

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Thu 2/10

19:40-18:55

1 stop23h 15m

Southampton Eastleigh

Wed 8/10

09:00-16:20

1 stop7h 20m

£153

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Fri 31/10

20:10-08:45

1 stop12h 35m

Southampton Eastleigh

Fri 7/11

19:50-12:05

1 stop16h 15m

£157

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Thu 2/10

19:40-18:55

1 stop23h 15m

Southampton Eastleigh

Mon 6/10

08:05-14:25

1 stop6h 20m

£162

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Sat 4/10

18:40-07:55

1 stop13h 15m

Southampton Eastleigh

Sat 11/10

08:55-15:50

1 stop6h 55m

£179

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Wed 1/10

20:50-08:40

1 stop11h 50m

Southampton Eastleigh

Sat 4/10

18:55-09:10

1 stop14h 15m

£189

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Wed 1/10

22:00-08:40

1 stop10h 40m

Southampton Eastleigh

Fri 3/10

12:30-17:25

1 stop4h 55m

£200

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Tue 3/3

18:25-07:30

1 stop13h 05m

Southampton Eastleigh

Wed 4/3

19:55-10:25

1 stop14h 30m

£257

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Mon 20/10

21:30-08:15

1 stop10h 45m

£62

LondonSouthampton

LGW - SOU

LGWSOU

London Gatwick

Sat 18/10

08:35-14:35

1 stop6h 00m

£165

Flights are sorted by cheapest return flights first.

Deals found on 16/9

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?

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

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.
What is the cheapest month to book a flight from London Gatwick Airport to Portsmouth?
Currently, January is the cheapest month in which you can book a flight from London Gatwick Airport to Portsmouth (average of £112). Flying from London Gatwick Airport to Portsmouth in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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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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Cheap flights from London Gatwick Airport to Portsmouth from £62

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 20/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Gatwick to Portsmouth

Keep the following information in mind while searching for Gatwick to Portsmouth flight deals. Data was last updated 18 September 2025.

Round-trip from

One-way from

Find flight deals from Gatwick to Portsmouth

Cheapest flights from Gatwick to PortsmouthExplore 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 18 September 2025.

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 18 September 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from London Gatwick Airport to Portsmouth that are best for you.

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.

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 18 September 2025.

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.

Can I find deals for flights from Gatwick to Portsmouth that include hotel bookings?

How can I find direct flights from Gatwick to Portsmouth?

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

What is the cheapest month to book a flight from London Gatwick Airport to Portsmouth?

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

See prices for flight routes from nearby airports that may be better suited for you.

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?

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

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

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

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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 18 September 2025.