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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.
SOU — DUB
16 Jul — 23 Jul1
1 adult

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

£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
Aer Lingus
  • Aer Lingus
  • 28/8-1/9
  • Nonstop
  • 3h 15m total
  • Southampton to Ireland
Aer Lingus
  • Aer Lingus
  • 28/9
  • Nonstop
  • 1h 35m total
  • Southampton to Ireland
Highest demand for flights based on searches. 9% potential increase in price (£5 potential increase over avg. return price).
Cheapest flight prices on average. 6% potential price decrease (£3 potential savings vs. average return price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from Southampton Eastleigh to Ireland.
Price to beat on a one-way flight from Southampton Eastleigh to Ireland.

Find flight deals from Southampton to Ireland

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.

Thu 28/820:00SOU - DUB
Nonstop1h 35mAer Lingus
Mon 1/907:30DUB - SOU
Nonstop1h 40mAer Lingus
Deal found 9/7£103
Wed 15/1009:00SOU - DUB
1 stop7h 55mMultiple Airlines
Fri 17/1007:00DUB - SOU
Nonstop1h 40mMultiple Airlines
Deal found 10/7£117
Thu 6/1118:05SOU - DUB
1 stop4h 05mKLM
Sun 9/1117:15DUB - SOU
1 stop14h 55mKLM
Deal found 10/7£152
Sat 4/1018:05SOU - ORK
1 stop4h 20mKLM
Tue 7/1017:05ORK - SOU
1 stop15h 40mKLM
Deal found 10/7£155
Fri 5/920:00SOU - ORK
2 stops19h 05mMultiple Airlines
Mon 8/913:40ORK - SOU
2 stops19h 00mMultiple Airlines
Deal found 9/7£240

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 11 July 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

Thu 28/8

20:00-21:35

Nonstop1h 35m

Dublin

Mon 1/9

07:30-09:10

Nonstop1h 40m

£103

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Wed 15/10

09:00-16:55

1 stop7h 55m

Dublin

Fri 17/10

07:00-08:40

Nonstop1h 40m

£117

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Thu 6/11

18:05-22:10

1 stop4h 05m

Dublin

Sun 9/11

17:15-08:10

1 stop14h 55m

£152

SouthamptonCork

SOU - ORK

SOUORK

Southampton Eastleigh

Sat 4/10

18:05-22:25

1 stop4h 20m

Cork

Tue 7/10

17:05-08:45

1 stop15h 40m

£155

SouthamptonCork

SOU - ORK

SOUORK

Southampton Eastleigh

Fri 5/9

20:00-15:05

2 stops19h 05m

Cork

Mon 8/9

13:40-08:40

2 stops19h 00m

£240

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Sun 28/9

20:00-21:35

Nonstop1h 35m

£66

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Sun 24/8

21:30-09:50

1 stop12h 20m

£89

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Sun 21/9

18:25-22:25

1 stop4h 00m

£96

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Mon 1/9

20:00-21:35

Nonstop1h 35m

£115

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Mon 1/9

15:05-12:00

1 stop20h 55m

£143

Flights are sorted by cheapest return flights first.

Deals found on 9/7

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 £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.

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.

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.

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.

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).

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 11 July 2025.
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.

Comfort

7.7

Food

7.3

Crew

8.4

Boarding

7.8

Overall

7.8

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Comfort

7.7

Food

7.3

Crew

8.4

Boarding

7.8

Overall

7.8

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Comfort

7.7

Food

7.3

Crew

8.4

Boarding

7.8

Overall

7.8

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Comfort

7.7

Food

7.3

Crew

8.4

Boarding

7.8

Overall

7.8

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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?

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

    £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.

  • 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 (98%), Aer Lingus (96%) or Emerald Airlines (96%) 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 £127, our data indicates the cheapest price to be £42. The most popular route (Southampton Eastleigh - Dublin), is priced around £81.

  • 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 £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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Southampton to Ireland

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Southampton to Ireland

Discover the top 3 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 11 July 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£70Average£212FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapest£80Average£134FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
KLMCheapest£126Average£169FlexibilityNo 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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