Question 1

How popular is this Southampton to Ireland flight route?

Accepted Answer

The Southampton Eastleigh to Ireland flight path was viewed by 1,491 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

Question 2

What are the cheapest airlines to fly from Southampton to Ireland one-way?

Accepted Answer

£66 is the cheapest one-way deal found within the past few days, from Aer Lingus. You may also be able to find cheap deals on KLM and British Airways, with prices starting from £96 and £115, respectively.

Question 3

What is the cheapest month to book a flight from Southampton to Ireland?

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from Southampton to Ireland (average of £71). Flying from Southampton to Ireland in August is currently the most expensive (average of £93). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Question 4

What is the cheapest day to fly from Southampton to Ireland?

Accepted Answer

Travellers seeking maximum savings on their Southampton to Ireland flight should consider departing on Thursday evenings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Question 5

Weekly flight availability from Southampton to Ireland

Accepted Answer

The most flights from SOU to IE0 are scheduled on a Thursday (7 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).

Question 6

E

Accepted Answer

In terms of precipitation, rainfall in Ireland ranges from 49.0 - 79.0 inches per month. October is typically the wettest month, when rainfall can reach 79.0 mm. February is typically the driest time to visit Ireland when rainfall is around 49.0 mm.

Question 7

E

Accepted Answer

If weather is an important factor for your trip to Ireland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

Question 8

What are the cheapest flights from Southampton to Ireland?

Accepted Answer

Looking for the cheapest flight from Southampton to Ireland? While on average our users pay £127, our data indicates the cheapest price to be £42. The most popular route (Southampton Eastleigh - Dublin), is priced around £81.

Question 9

What are the most reliable airlines from Southampton to Ireland?

Accepted Answer

No one likes to see their flight delayed. When booking a flight from Southampton to Ireland consider choosing Qatar Airways (98%), Aer Lingus (96%) or Emerald Airlines (96%) as they are the most reliable in getting you off to your destination on time.

Question 10

What are the most popular airlines that fly from Southampton to Ireland?

Accepted Answer

Before booking your flight from Southampton to Ireland check out the most popular airlines for this route: British Airways, Aer Lingus or KLM.

Question 11

What is the cheapest day to fly round-trip from Southampton to Ireland?

Accepted Answer

Flights from Southampton to Ireland are found to be more expensive on Saturday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Ireland.

Question 12

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

Accepted Answer

Users have found that booking a flight from Southampton to Ireland at least 28 days early can save you up to 155% on average compared to booking a flight this week. If booking 28 days before your flight isn’t an option for you, users have found flights from Southampton to Ireland for as little as £71 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as £157 for flights departing within the next 3 days.

Question 13

What is the cheapest month to fly from Southampton to Ireland?

Accepted Answer

The best pricing can be found in the month of September. Prices to Ireland from Southampton average £65. You can even find prices in September for less than £65, as users have found deals to Ireland from as low as £29. The month of December appears to be one of the more expensive times to travel to Ireland from Southampton. Flying in the targeted month can save you up to 57%.

Question 14

What is the cheapest time of day to fly from SOU to IE?

Accepted Answer

It’s optimal to fly from Southampton to Ireland in the afternoon. By choosing this option you can save up to 18% on the cost of your flight, compared to a flight in the morning.

Question 15

What airport do you fly from for flights from Southampton to Ireland?

Accepted Answer

Most people fly from Southampton Eastleigh (SOU) if they book a flight from Southampton to Ireland. Southampton Eastleigh is conveniently located just 3.5 mi from Southampton’s city center.

Question 16

Can I find deals for flights from Southampton to Ireland that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Southampton to Ireland flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 17

How can I find direct flights from Southampton to Ireland?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Southampton to Ireland.

Question 18

Can I find deals for business class flights from Southampton to Ireland?

Accepted Answer

Yes. Cheapflights offers flight deals from Southampton to Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 19

How does Cheapflights help users find flights from Southampton to Ireland?

Accepted Answer

Cheapflights helps you search for flights from Southampton to Ireland via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Question 20

Why should you use Cheapflights to find cheap flight tickets from Southampton to Ireland?

Accepted Answer

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Southampton to Ireland.

Question 21

Can Cheapflights find flights from Southampton to Ireland with no change fees?

Accepted Answer

Certainly. Search results for flights to Ireland from Southampton shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Question 22

Can Cheapflights notify me if prices for flights from Southampton to Ireland become cheaper?

Accepted Answer

Yes, Cheapflights offers price alerts on Southampton to Ireland flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

Round-trip from	£103
One-way from	£66
Popular in	December
Cheapest in	September
Average price	£63
Good round-trip deal	£138 or less
Good one-way deal	£70 or less

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£70	Average£212	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Aer Lingus	Cheapest£80	Average£134	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
KLM	Cheapest£126	Average£169	FlexibilityNo cancel fee	On-time75%	Search KLM flights

Cheap flights from Southampton to Ireland from £66

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Southampton to Ireland

Keep the following information in mind while searching for Southampton to Ireland flight deals. Data was last updated 11 July 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Southampton to Ireland

Cheapest flights from Southampton to IrelandExplore the most affordable flight options available from Southampton to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.

Explore the most affordable flight options available from Southampton to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.

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Use the filters below to find and compare flights from Southampton to Ireland that are best for you.

Best time to book a flight from Southampton to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland from Southampton with our price prediction graph.

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Everything you need to know about your flight from Southampton to Ireland

What is the cheapest month to book a flight from Southampton to Ireland?

What is the cheapest time of day to fly from SOU to IE?

Find hourly flight availability from Southampton to Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 July 2025.

Weekly flight availability from Southampton to Ireland

Explore weekly flight availability from Southampton to Ireland. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 11 July 2025.

Reviews of airlines servicing Ireland

Read reviews from past customers who have flown with KLM, Aer Lingus, andBritish Airways from Southampton to Ireland. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Southampton to Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Southampton to Ireland?

How popular is this Southampton to Ireland flight route?

What are the cheapest airlines to fly from Southampton to Ireland one-way?

What are the most reliable airlines from Southampton to Ireland?

What are the cheapest flights from Southampton to Ireland?

Can I find deals for flights from Southampton to Ireland that include hotel bookings?

How can I find direct flights from Southampton to Ireland?

Can I find deals for business class flights from Southampton to Ireland?

What is the cheapest month to book a flight from Southampton to Ireland?

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Alternative routes for Southampton to Ireland

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Top 3 airlines flying from Southampton to Ireland

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How does Cheapflights help users find flights from Southampton to Ireland?

Why should you use Cheapflights to find cheap flight tickets from Southampton to Ireland?

Can Cheapflights find flights from Southampton to Ireland with no change fees?

Can Cheapflights notify me if prices for flights from Southampton to Ireland become cheaper?

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Cheapest flights from Southampton to Ireland
Explore the most affordable flight options available from Southampton to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.