Cheap flights from Southampton from £22

Recently, our users have seen KLM, British Airways, and Aer Lingus offering the cheapest flights from Southampton. KLM has flights from Southampton to Amsterdam from £34, British Airways has flights from Southampton to Dublin starting at £45, and Aer Lingus are operating flights from Southampton to Belfast Intl Airport for £49.

Currently, a £51 flight to Belfast City Airport is the cheapest flight momondo users have found from Southampton. This price will vary depending on various factors such as the airline and flight dates. You can expect the price to be, on average, around £177 for a flight from Southampton to Belfast City Airport.

The most frequent flight destinations are as follows: Dublin has 7 flights a day on average from Southampton. Belfast City Airport has an average of 6 flights daily. Saint Peter operates an average of 4 flights per day out of Southampton.

Airlines operating out of Southampton include, amongst others, KLM, British Airways, and Aer Lingus. You can view other alternatives by clicking on the search button at the top of the page.

Prices for flights from Southampton Eastleigh Airport are refreshed on a daily basis.

As of July 2026, there are 8 operators available to choose from for flights from Southampton Eastleigh Airport.

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Southampton Eastleigh Airport.

The travel and health documents required for your trip to Southampton Eastleigh Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Southampton Eastleigh Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.