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Cheap Flights to Portsmouth

Compare Portsmouth flights across hundreds of providers

Find the cheapest month or even day of the year to fly to Portsmouth

Book the best Portsmouth fare with no extra fees

Flight deals to Portsmouth

Looking for a cheap last-minute deal or the best return flight to Portsmouth? Find our lowest prices on one-way and return tickets to the easiest airport right here.
Southampton.80 € per passenger.Departing Thu, 28 Aug, returning Mon, 1 Sep.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Dublin on Thu, 28 Aug, arriving in Southampton.Inbound direct flight with Aer Lingus departs from Southampton on Mon, 1 Sep, arriving in Dublin.Price includes taxes and charges.From 80 €, select.
Southampton.80 € per passenger.Departing Mon, 1 Sep, returning Mon, 1 Sep.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Dublin on Mon, 1 Sep, arriving in Southampton.Inbound direct flight with Aer Lingus departs from Southampton on Mon, 1 Sep, arriving in Dublin.Price includes taxes and charges.From 80 €, select.
Southampton.80 € per passenger.Departing Mon, 11 Aug, returning Tue, 12 Aug.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Dublin on Mon, 11 Aug, arriving in Southampton.Inbound direct flight with Aer Lingus departs from Southampton on Tue, 12 Aug, arriving in Dublin.Price includes taxes and charges.From 80 €, select.
Southampton.84 € per passenger.Departing Wed, 23 Jul, returning Thu, 24 Jul.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Dublin on Wed, 23 Jul, arriving in Southampton.Inbound direct flight with Aer Lingus departs from Southampton on Thu, 24 Jul, arriving in Dublin.Price includes taxes and charges.From 84 €, select.
Southampton.86 € per passenger.Departing Thu, 31 Jul, returning Tue, 12 Aug.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Dublin on Thu, 31 Jul, arriving in Southampton.Inbound direct flight with Aer Lingus departs from Southampton on Tue, 12 Aug, arriving in Dublin.Price includes taxes and charges.From 86 €, select.
Southampton.106 € per passenger.Departing Thu, 18 Sep, returning Fri, 3 Oct.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Dublin on Thu, 18 Sep, arriving in Southampton.Inbound direct flight with Aer Lingus departs from Southampton on Fri, 3 Oct, arriving in Dublin.Price includes taxes and charges.From 106 €, select.
Southampton.108 € per passenger.Departing Mon, 20 Oct, returning Mon, 20 Oct.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Dublin on Mon, 20 Oct, arriving in Southampton.Inbound direct flight with Aer Lingus departs from Southampton on Mon, 20 Oct, arriving in Dublin.Price includes taxes and charges.From 108 €, select.
Southampton.118 € per passenger.Departing Mon, 1 Dec, returning Thu, 4 Dec.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Dublin on Mon, 1 Dec, arriving in Southampton.Inbound direct flight with Aer Lingus departs from Southampton on Thu, 4 Dec, arriving in Dublin.Price includes taxes and charges.From 118 €, select.

Flying to Portsmouth

The things to know before you go.
Fly intoSouthampton Airport
Distance to Portsmouth24.6 km
Average flight time1 hr, 42 mins
Most popular airlineAer Lingus
Cheapest flight found80 €
Cheapest month to flyAugust

Find the cheapest time to fly to Portsmouth

Flexible on travel dates? Find the cheapest month – or even day – to catch a flight to Portsmouth.
Jun
from 163 €
Jul
from 84 €
Aug
from 80 €
Sep
from 80 €
Oct
from 108 €
Nov
from 120 €
Dec
from 118 €
Jan
Find prices
Feb
from 131 €
Mar
from 119 €
Apr
from 151 €
May
from 129 €

Frequently asked questions

The average flight time to Portsmouth is 1 hour and 42 minutes. We've calculated this based on journeys to Southampton Airport.
There are 3 airports near Portsmouth: Southampton Airport, Bournemouth Airport and London Gatwick Airport.
Aer Lingus, Emerald Airlines, British Airways and Qatar Airways all offer direct flights to Southampton Airport.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Portsmouth but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
Yes – you can fly direct to Southampton Airport or London Gatwick Airport, and the average flight time is 1 hour and 42 minutes.
The best price we found for a return flight to Portsmouth is 80 €. This is an estimate based on information collected from different airlines and travel providers flying to Southampton Airport over the last 4 days and is subject to change and availability.
The cheapest airport near Portsmouth is Southampton – which is 24.6 km away from the centre of Portsmouth. We've found flights into this airport from 80 €.
After crunching the numbers on our flight calendar, we found that the cheapest date to fly to Southampton Airport, the closest airport to Portsmouth is Monday, 11 August 2025.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Portsmouth is around 40 days in advance, so don’t leave your flight to the last minute.
Southampton Airport is 24.6km from Portsmouth, Bournemouth Airport is 52.5km from Portsmouth, and London Gatwick Airport is 72.9km from Portsmouth.
The average temperature in Portsmouth in June is around 14°C. The warmest month in Portsmouth is typically August, which averages 20°C. The coolest month is February, with temperatures averaging 4°C. The rainiest month is December, and it usually rains the least in May.
Currently, the cheapest airline that flies to Southampton Airport - the closest airport to Portsmouth - Aer Lingus.
Southampton Airport is 24.6km from Portsmouth which is approximately 30 minutes driving time. Check out the options for car hire at Southampton Airport.
London Gatwick Airport is 72.9km from Portsmouth which is approximately 1 hour and 27 minutes driving time. Check out the options for car hire at London Gatwick Airport.

Plan your trip to Portsmouth