Find cheap flights from Northern Ireland to Portsmouth from £28

Based on KAYAK searches from the last 72 hours, if you fly from Belfast, you should have a good chance of getting the best deal to Southampton as it was the cheapest place to fly from. Prices were found for as low as £22 one-way and £45 for a return flight. Also in the last 72 hours, the most popular connection to Southampton was from Glasgow and the lowest price for a return flight was £66.

Loganair, Aer Lingus and easyJet are the most frequent flyers to Southampton from United Kingdom. See the amount of flights per week for popular airlines flying to Southampton.

You cannot fly directly to Portsmouth. KAYAK recommends you fly to Southampton Eastleigh (SOU) (14.67 miles from Portsmouth). From there you can hire a car or take a taxi.

The closest airport is Southampton Eastleigh (SOU) (14.67 mi). Other nearby airports are Bournemouth (BOH) (32.95 mi), London Gatwick (LGW) (45.91 mi), London Heathrow (LHR) (52.65 mi) or London All airports (LON) (63.13 mi). KAYAK recommends you fly to Southampton Eastleigh.

There are 3 miles between Southampton city centre and Southampton.

All flights to Southampton land at Southampton. The airport code is SOU,and it can also be referred to as Eastleigh or Southampton.

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights to Portsmouth.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Portsmouth is likely to change within 7 days, so travellers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Portsmouth with an airline and back with another airline.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Portsmouth up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.