Question 1

How many flights depart from Ireland to Southampton on average per day?

Accepted Answer

The number of flights available between Ireland and Southampton is 7 per day as of December 2025. The most frequent departure time is 13:00, with 39% of daily flights leaving in the afternoon.

Question 2

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

Question 3

What is the cheapest day to depart on your flight to Southampton?

Accepted Answer

Our data shows that Tuesday is the least expensive day to fly to Southampton. Tickets to fly out on this day can be as low as £105. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around £164. These prices are subject to change though, so be sure to set up a Price Alert for flights to Southampton.

Question 4

What is the cheapest time of day to depart on your flight to Southampton?

Accepted Answer

According to our data, the cheapest time of day to fly to Southampton is in the afternoon. momondo users have found flights departing from Ireland to Southampton in the afternoon for as low as £135. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying at midday when prices are £157 on average. Flights to Southampton from Ireland at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.

Question 5

What cabin class options are available on Ireland to Southampton Eastleigh flights?

Accepted Answer

There is only 1 cabin class available to choose from on Ireland to Southampton Eastleigh flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Question 6

How long does it take to fly to Southampton?

Accepted Answer

The average flight duration from Ireland to Southampton depends on which airport you fly into and out of. Flying from Cork to London Heathrow Airport is 1h 15m on average, while flying from Shannon to London Heathrow Airport is 1h 20m on average. London Heathrow Airport is the most popular airport in Southampton.

Question 7

Which airline has the best punctuality record on Ireland to Southampton flights?

Accepted Answer

According to our data, Aer Lingus have had the fewest delays on this route over the last 12 months, with about 17% of their flights experiencing any sort of delay.

Question 8

What is the cheapest Ireland to Southampton Eastleigh flight route?

Accepted Answer

Fly from Dublin to Southampton Eastleigh for the best Ireland - Southampton Eastleigh flight prices

Question 9

What is the cheapest airline that flies from Ireland to Southampton Eastleigh?

Accepted Answer

Aer Lingus and British Airways are the most popular carriers operating from Ireland to Southampton Eastleigh

Question 10

How many flights depart from Ireland to Southampton on average per week?

Accepted Answer

As of December 2025, there are 50 flights per week flying from Ireland to Southampton. The most common day of the week flights depart is Mon, with 16% of flights taking off on this day.

Question 11

What is the most punctual flight time for Ireland to Southampton flights?

Accepted Answer

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

Question 12

How often are flights from Ireland to Southampton delayed?

Accepted Answer

Historically, on average around 17% of flights between Ireland and Southampton have experienced a delay on any given week. The average delay length over the past 12 months has been 100 minutes.

Question 13

What is the cheapest month to fly to Southampton?

Accepted Answer

The month of January is, on average, the cheapest month to fly to Southampton from Ireland, with most prices found around £96. If you’re not able to fly to Southampton in January, then December is your next best option. Flight prices from Ireland to Southampton during December average around £96.

Question 14

How far in advance should I book a flight to Southampton?

Accepted Answer

You are more likely to see cheaper flights to Southampton from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to Southampton for around £133 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Southampton from Ireland for as low as £108 on momondo.

Question 15

Which airlines fly to Southampton?

Accepted Answer

Ryanair, Aer Lingus and British Airways are the top three most popular airlines that fly to Southampton from Ireland according to our data. Ryanair is the first choice among our users, with 52% of people opting to fly with this airline when travelling to Southampton. Keep in mind that there are 3 different airlines that fly to Southampton on a routine basis, so you have a few additional options to choose from.

Question 16

When did momondo last update prices for flights from Ireland to Southampton Eastleigh Airport?

Accepted Answer

Prices for flights from Ireland to Southampton Eastleigh Airport are updated daily.

Question 17

How many operators does momondo search for flights from Ireland to Southampton Eastleigh Airport?

Accepted Answer

There is 1 operator available for flights from Ireland to Southampton Eastleigh Airport as of December 2025.

Question 18

How old do you have to be to fly from Ireland to Southampton Eastleigh Airport?

Accepted Answer

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ireland to Southampton Eastleigh Airport.

Question 19

What documentation or ID do you need to fly to Southampton Eastleigh Airport?

Accepted Answer

The required travel and health documents for your Southampton Eastleigh Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Southampton Eastleigh Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best price found	£45
Fastest flight time	1h 40m
Direct flights	Every day
Airports in Southampton	1 airport

Cheap flights from Ireland to London from £52

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How to get the cheapest flight ticket from Ireland to Southampton

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Southampton?

What is the cheapest day to depart on your flight to Southampton?

What is the cheapest time of day to depart on your flight to Southampton?

What is the cheapest Ireland to Southampton Eastleigh flight route?

Fly from Dublin to Southampton Eastleigh for the best Ireland - Southampton Eastleigh flight prices

How far in advance should I book a flight to Southampton?

What cabin class options are available on Ireland to Southampton Eastleigh flights?

There is only 1 cabin class available to choose from on Ireland to Southampton Eastleigh flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

What is the cheapest airline that flies from Ireland to Southampton Eastleigh?

Aer Lingus and British Airways are the most popular carriers operating from Ireland to Southampton Eastleigh

Which airlines fly to Southampton?

How often are flights from Ireland to Southampton delayed?

Historically, on average around 17% of flights between Ireland and Southampton have experienced a delay on any given week. The average delay length over the past 12 months has been 100 minutes.

What is the most punctual flight time for Ireland to Southampton flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Ireland to Southampton flights?

According to our data, Aer Lingus have had the fewest delays on this route over the last 12 months, with about 17% of their flights experiencing any sort of delay.

How many flights depart from Ireland to Southampton on average per day?

The number of flights available between Ireland and Southampton is 7 per day as of December 2025. The most frequent departure time is 13:00, with 39% of daily flights leaving in the afternoon.

How many flights depart from Ireland to Southampton on average per week?

As of December 2025, there are 50 flights per week flying from Ireland to Southampton. The most common day of the week flights depart is Mon, with 16% of flights taking off on this day.

How long does it take to fly to Southampton?

Cheap Ireland to Southampton flight deals and tips

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When did momondo last update prices for flights from Ireland to Southampton Eastleigh Airport?

How many operators does momondo search for flights from Ireland to Southampton Eastleigh Airport?

How old do you have to be to fly from Ireland to Southampton Eastleigh Airport?

What documentation or ID do you need to fly to Southampton Eastleigh Airport?

What is the most popular plane model from Ireland to Southampton?

Best airlines flying from Ireland to Southampton

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