Cheap flights from Southampton to Ireland from £50

SOU — DUB
4 Dec — 11 Dec1
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

Fri 4/1213:25 -
1 stop10h 00m
Tue 8/1208:05 -
1 stop3h 40m
Deal found 31/10£96
Fri 4/1213:25 -
1 stop10h 00m
Mon 7/1207:10 -
Nonstop1h 40m
Deal found 31/10£101
Sat 28/1112:25 -
Nonstop1h 40m
Tue 1/1217:50 -
Nonstop1h 40m
Deal found 1/11£101
Sat 5/1208:20 -
1 stop8h 30m
Mon 11/107:10 -
Nonstop1h 40m
Deal found 1/11£103
Mon 9/1120:00 -
Nonstop1h 40m
Tue 10/1107:10 -
Nonstop1h 40m
Deal found 31/10£104
Sat 14/1112:25 -
Nonstop1h 40m
Sun 15/1107:00 -
Nonstop1h 45m
Deal found 1/11£104
Mon 7/1209:20 -
Nonstop1h 40m
Tue 8/1207:10 -
Nonstop1h 40m
Deal found 3/11£107
Wed 2/1209:20 -
1 stop7h 50m
Wed 9/1210:35 -
1 stop8h 55m
Deal found 2/11£159
Sun 29/1109:20 -
1 stop7h 50m
Sun 6/1210:25 -
2 stops28h 30m
Deal found 1/11£168
Wed 16/1220:00 -
1 stop14h 00m
Wed 23/1217:35 -
2 stops15h 05m
Deal found 1/11£199

Find flight deals from Southampton to Ireland

Round-trip from

£96

One-way from

£50

Popular in

December

Cheapest in

January

Average price

£71

Good round-trip deal

£133 or less

Good one-way deal

£84 or less
4/12-8/12
  • 4/12-8/12
  • 2 total stops
  • 13h 40m total
  • Southampton to Ireland
4/12-31/12
  • 4/12-31/12
  • 1 total stop
  • 10h 00m total
  • Southampton to Ireland
High demand for flights, 7% potential price rise
Cheapest flight prices on average. 2% potential price decrease (£2 potential savings vs. average return price).
Average for round-trip flights in November 2026
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.

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonDublin

SOU Southampton Eastleigh - DUB Dublin

SOUDUB

Southampton Eastleigh

Fri 4/12

13:25-23:25

1 stop10h 00m

Dublin

Wed 31/12

00:00-00:00

Nonstop0h 00m

£54

SouthamptonDublin

SOU Southampton Eastleigh - DUB Dublin

SOUDUB

Southampton Eastleigh

Thu 17/12

13:55-19:00

1 stop5h 05m

Dublin

Wed 31/12

00:00-00:00

Nonstop0h 00m

£55
Fastest return journey

SouthamptonDublin

SOU Southampton Eastleigh - DUB Dublin

SOUDUB

Southampton Eastleigh

Thu 17/12

20:00-21:40

Nonstop1h 40m

Dublin

Wed 31/12

00:00-00:00

Nonstop0h 00m

£57

SouthamptonDublin

SOU Southampton Eastleigh - DUB Dublin

SOUDUB

Southampton Eastleigh

Tue 9/2

12:20-14:00

Nonstop1h 40m

Dublin

Wed 31/12

00:00-00:00

Nonstop0h 00m

£67

SouthamptonDublin

SOU Southampton Eastleigh - DUB Dublin

SOUDUB

Southampton Eastleigh

Fri 18/12

13:25-23:25

1 stop10h 00m

Dublin

Wed 31/12

00:00-00:00

Nonstop0h 00m

£75

SouthamptonDublin

SOU Southampton Eastleigh - DUB Dublin

SOUDUB

Southampton Eastleigh

Wed 25/11

09:15-20:55

1 stop11h 40m

Dublin

Wed 31/12

00:00-00:00

Nonstop0h 00m

£75

SouthamptonDublin

SOU Southampton Eastleigh - DUB Dublin

SOUDUB

Southampton Eastleigh

Wed 9/12

09:15-22:00

2 stops12h 45m

Dublin

Wed 31/12

00:00-00:00

Nonstop0h 00m

£79

SouthamptonDublin

SOU Southampton Eastleigh - DUB Dublin

SOUDUB

Southampton Eastleigh

Mon 16/11

17:45-23:40

1 stop5h 55m

Dublin

Wed 31/12

00:00-00:00

Nonstop0h 00m

£83

SouthamptonDublin

SOU Southampton Eastleigh - DUB Dublin

SOUDUB

Southampton Eastleigh

Fri 18/12

20:00-21:40

Nonstop1h 40m

Dublin

Wed 31/12

00:00-00:00

Nonstop0h 00m

£86

SouthamptonDublin

SOU Southampton Eastleigh - DUB Dublin

SOUDUB

Southampton Eastleigh

Tue 9/2

17:30-16:20

1 stop22h 50m

Dublin

Wed 31/12

00:00-00:00

Nonstop0h 00m

£86

Flights are sorted by cheapest return flights first.

Deals found on 3/11

Showing 1-10 of 23 resultsSorted by cheapest first
1
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

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 £127). Flying from Southampton to Ireland in June is currently the most expensive (average of £192). 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?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Southampton to Ireland as you normally would.

Weekly flight availability from Southampton to Ireland

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 (5 on average).

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

The best time to book flights from Southampton to Ireland is 71 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Ireland

Read reviews from past customers who have flown with Aer Lingus and British 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

7.2

Overall

7.3

Food

6.7

Entertainment

7.0

Boarding

7.5

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.

Comfort

7.2

Overall

7.3

Food

6.7

Entertainment

7.0

Boarding

7.5

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.

Comfort

7.2

Overall

7.3

Food

6.7

Entertainment

7.0

Boarding

7.5

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.

Related info for your journey

  • 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?

  • How long is the flight from Southampton to Ireland?

    KLM can get you from Southampton to Ireland in just under 14h 30m. Your travel time can differ by up to . There are 268 mi between Southampton and Ireland.

  • 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 (92%), British Airways (86%) or Aer Lingus (85%) 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 £174, our data indicates the cheapest price to be £71. The most popular route (Southampton Eastleigh - Dublin), is priced around £104.

  • 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 £127). Flying from Southampton to Ireland in June is currently the most expensive (average of £192). 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

Alternative routes for Southampton to Ireland

Top 2 airlines flying from Southampton to Ireland

AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£96Average£145FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
British AirwaysCheapest£106Average£257FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.