Question 1

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

Accepted Answer

Our data shows that the cheapest Ireland to Southampton flights are usually those with departure times in the morning. Our users have found flights to Southampton in the morning for as low as €137. Try not to purchase tickets in the afternoon because they tend to be around €178. Of course, these prices can vary depending on the time of year and what airport you fly to.

Question 2

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

Accepted Answer

The number of flights available between Ireland and Southampton is 34 per week as of January 2026. The most frequent departure day is Mon, with 24% of weekly flights leaving on this day.

Question 3

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 €158 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 €99 on momondo.

Question 4

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 early afternoon have, in the past, seen delays more frequently in comparison.

Question 5

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

Accepted Answer

As of January 2026, 4 flights take off from Ireland and land in Southampton each day. The most common flight departure time for this route is 13:00, with 35% of daily flights taking off in the afternoon.

Question 6

What is the cheapest month to fly to Southampton?

Accepted Answer

The cheapest month to fly to Southampton from Ireland is in February. Flight prices, which tend to average around €101, are often lower during this time because this is during the off-season. If you don’t want to visit Southampton in February, then you should wait until March to fly from Ireland, when ticket prices are also cheap, with an average price of €112.

Question 7

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 8

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 9

Which airlines fly to Southampton?

Accepted Answer

Aer Lingus, British Airways and Ryanair are the top three most popular airlines that fly to Southampton from Ireland according to our data. Aer Lingus 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 10

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 11

How long does it take to fly to Southampton?

Accepted Answer

Flight times from Ireland to Southampton vary, but if you’re flying out of Cork and flying into London Heathrow Airport (one of the most popular routes), then the duration is 1h 15m on average. Another popular route from Ireland to Southampton is flying from Dublin to London Heathrow Airport, which will take roughly 1h 15m. Keep in mind that layovers or delays could extend your travel time.

Question 12

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 13

How often are flights from Ireland to Southampton delayed?

Accepted Answer

Historically, on average around 18% 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 14

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

Accepted Answer

On average, the least expensive day to fly to Southampton from Ireland is on a Monday. momondo users have found tickets for Monday departures for as low as €123. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Southampton on Saturday is €158.

Question 15

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 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 were last updated today.

Question 17

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

Accepted Answer

The number of operators available for flights from Ireland to Southampton Eastleigh Airport is 1 as of January 2026.

Question 18

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

Accepted Answer

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 stopovers. It is recommended that you verify 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 necessary travel and health documents for your Southampton Eastleigh Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best price found	€101
Fastest flight time	1h 40m
Direct flights	Every day
Airports in Southampton	1 airport

Cheap flights from Ireland to London from €45

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How to get the cheapest flight ticket from Ireland to Southampton

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 18% 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 early afternoon 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?

As of January 2026, 4 flights take off from Ireland and land in Southampton each day. The most common flight departure time for this route is 13:00, with 35% of daily flights taking off in the afternoon.

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

The number of flights available between Ireland and Southampton is 34 per week as of January 2026. The most frequent departure day is Mon, with 24% of weekly flights leaving 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?

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