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Cheap flights from Southampton to Ireland from £49

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 13/1. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — DUB
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Southampton to Ireland

Enter your travel dates to find the best prices.

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 12 December 2025.

Tue 16/1212:25SOU - DUB
Nonstop1h 35mAer Lingus
Tue 16/1218:00DUB - SOU
Nonstop1h 40mAer Lingus
Deal found 11/12£122
Fri 26/1217:30SOU - DUB
1 stop4h 40mKLM
Wed 31/1217:15DUB - SOU
1 stop15h 05mKLM
Deal found 10/12£137
Tue 16/1216:05SOU - DUB
Nonstop1h 35mMultiple Airlines
Thu 18/1221:30DUB - SOU
2 stops16h 15mMultiple Airlines
Deal found 11/12£143
Fri 26/1220:10SOU - DUB
Nonstop1h 40mMultiple Airlines
Mon 29/1206:55DUB - SOU
1 stop25h 55mMultiple Airlines
Deal found 10/12£153
Sat 27/1209:25SOU - DUB
1 stop22h 40mKLM
Wed 31/1217:15DUB - SOU
1 stop15h 05mKLM
Deal found 10/12£173
Tue 30/1220:10SOU - DUB
Nonstop1h 40mAer Lingus
Fri 2/107:00DUB - SOU
Nonstop1h 45mAer Lingus
Deal found 11/12£179
Fri 26/1220:10SOU - DUB
Nonstop1h 40mMultiple Airlines
Wed 31/1206:45DUB - SOU
1 stop4h 10mMultiple Airlines
Deal found 10/12£185
Fri 26/1220:10SOU - DUB
Nonstop1h 40mAer Lingus
Wed 31/1213:55DUB - SOU
Nonstop1h 40mAer Lingus
Deal found 10/12£196
Fri 26/1216:05SOU - DUB
Nonstop1h 35mMultiple Airlines
Tue 30/1206:10DUB - SOU
2 stops26h 40mMultiple Airlines
Deal found 10/12£202
Sun 28/1220:10SOU - DUB
Nonstop1h 40mMultiple Airlines
Mon 29/1222:10DUB - SOU
1 stop10h 40mMultiple Airlines
Deal found 10/12£203
Fri 26/1208:40SOU - DUB
1 stop7h 40mKLM
Mon 29/1208:50DUB - SOU
1 stop23h 20mKLM
Deal found 10/12£205
Thu 18/1208:50SOU - ORK
1 stop14h 35mKLM
Sun 21/1211:15ORK - SOU
1 stop20h 55mKLM
Deal found 11/12£321

Find flight deals from Southampton to Ireland

Keep the following information in mind while searching for Southampton to Ireland flight deals. Data was last updated 12 December 2025.

Round-trip from

£100

One-way from

£49

Popular in

December

Cheapest in

January

Average price

£101

Good round-trip deal

£126 or less

Good one-way deal

£71 or less
Aer Lingus
  • Aer Lingus
  • 8/1-15/1
  • 1 total stop
  • 6h 15m total
  • Southampton to Ireland
Search Deals
Aer Lingus
  • Aer Lingus
  • 13/1
  • Nonstop
  • 1h 35m total
  • Southampton to Ireland
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£3 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Southampton Eastleigh to Ireland.
Search Deals
Price to beat on a one-way flight from Southampton Eastleigh to Ireland.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Southampton to Ireland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 12 December 2025.
Use the filters below to find and compare flights from Southampton to Ireland that are best for you.

Fly from

Southampton

Fly to

Ireland

Route

Depart

Return

Price

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Sat 7/2

09:30-11:10

Nonstop1h 40m

Dublin

Sun 8/2

07:00-08:45

Nonstop1h 45m

£108

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Thu 8/1

17:55-22:25

1 stop4h 30m

Dublin

Mon 12/1

07:00-08:45

Nonstop1h 45m

£111

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Fri 9/1

17:45-22:50

1 stop5h 05m

Dublin

Sun 11/1

07:00-08:45

Nonstop1h 45m

£114

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Mon 5/1

12:05-21:30

1 stop9h 25m

Dublin

Thu 8/1

07:00-08:45

Nonstop1h 45m

£114

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Mon 5/1

16:05-17:40

Nonstop1h 35m

Dublin

Thu 8/1

13:55-15:35

Nonstop1h 40m

£119

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Fri 9/1

20:10-21:50

Nonstop1h 40m

Dublin

Thu 15/1

20:40-13:45

2 stops17h 05m

£121

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Thu 8/1

17:55-22:25

1 stop4h 30m

Dublin

Thu 15/1

20:40-13:45

2 stops17h 05m

£122

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Fri 6/2

14:25-20:00

1 stop5h 35m

Dublin

Sun 8/2

07:00-08:45

Nonstop1h 45m

£125

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Sun 25/1

18:20-15:35

1 stop21h 15m

Dublin

Sun 1/2

07:00-08:45

Nonstop1h 45m

£125

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Mon 26/1

20:10-21:50

Nonstop1h 40m

Dublin

Fri 30/1

06:55-17:10

1 stop10h 15m

£128

Flights are sorted by cheapest return flights first.

Deals found on 11/12

Showing 1-10 of 26 results
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2
3

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.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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?

Currently, January is the cheapest month in which you can book a flight from Southampton to Ireland (average of £16). Flying from Southampton to Ireland in August is currently the most expensive (average of £32). 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.

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 12 December 2025.

It’s optimal to fly from Southampton to Ireland at midday. By choosing this option you can save up to 67% on the cost of your flight, compared to a flight in the morning.

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 12 December 2025.

The most flights from SOU to IE0 are scheduled on a Monday (8 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).

Reviews of airlines servicing Ireland

Get insights into the airlines that provide service to Ireland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ireland. Reviews last updated 12 December 2025.
Read reviews from past customers who have flown with KLM, Aer Lingus, andRyanair 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.
KLM
7.7
Good
1,432 reviews
Check prices

Food

7.2

Boarding

7.8

Comfort

7.6

Overall

7.7

Entertainment

7.1

Crew

8.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
KLM
7.7
Good
1,432 reviews
KLM
7.7
Good
1,432 reviews
Check prices

Food

7.2

Boarding

7.8

Comfort

7.6

Overall

7.7

Entertainment

7.1

Crew

8.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Aer Lingus
7.2
Good
1,394 reviews
KLM
7.7
Good
1,432 reviews
Check prices

Food

7.2

Boarding

7.8

Comfort

7.6

Overall

7.7

Entertainment

7.1

Crew

8.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Ryanair
6.8
Okay
5,218 reviews
KLM
7.7
Good
1,432 reviews
Check prices

Food

7.2

Boarding

7.8

Comfort

7.6

Overall

7.7

Entertainment

7.1

Crew

8.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
British Airways
6.7
Okay
7,571 reviews
KLM
7.7
Good
1,432 reviews
Check prices

Food

7.2

Boarding

7.8

Comfort

7.6

Overall

7.7

Entertainment

7.1

Crew

8.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

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?

    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.

  • How popular is this Southampton to Ireland flight route?

    The Southampton Eastleigh to Ireland flight path was viewed by 1,398 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Southampton to Ireland?

    Aer Lingus and KLM can get you from Southampton to Ireland in just under 1h 40m. Your travel time can differ by up to 5h 40m. There are 268 mi between Southampton and Ireland. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most reliable airlines from Southampton to Ireland?

    No one likes to see their flight delayed. When booking a flight from Southampton to Ireland consider choosing Qatar Airways (82%), Aer Lingus (75%) or Emerald Airlines (75%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Southampton to Ireland?

    Looking for the cheapest flight from Southampton to Ireland? While on average our users pay £109, our data indicates the cheapest price to be £68. The most popular route (Southampton Eastleigh - Dublin), is priced around £86.

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

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

  • How can I find direct flights from Southampton to Ireland?

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

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

    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.

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

    Currently, January is the cheapest month in which you can book a flight from Southampton to Ireland (average of £16). Flying from Southampton to Ireland in August is currently the most expensive (average of £32). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Southampton to Ireland

Discover the top 4 airlines that operate flights from Southampton to Ireland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£25Average£50FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
British AirwaysCheapest£74Average£213FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapest£86Average£141FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
KLMCheapest£135Average£187FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

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.

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

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.

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

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.

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

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.

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