Cheap flights from Ireland to Southampton from £38

DUB — SOU
4 Dec — 11 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ireland to Southampton

Enter your travel dates to find the best prices.

Cheapest flights from Ireland to Southampton

Wed 2/1217:50 -
Nonstop1h 40m
Wed 9/1220:00 -
Nonstop1h 40m
Deal found 2/11£93
Wed 11/1107:10 -
Nonstop1h 40m
Wed 18/1120:00 -
Nonstop1h 40m
Deal found 4/11£94
Thu 10/1210:15 -
Nonstop1h 40m
Tue 15/1220:00 -
Nonstop1h 40m
Deal found 3/11£95
Thu 12/1107:10 -
Nonstop1h 40m
Sun 15/1109:20 -
Nonstop1h 40m
Deal found 2/11£95
Tue 10/1107:10 -
Nonstop1h 40m
Sat 14/1112:25 -
Nonstop1h 40m
Deal found 2/11£97
Fri 4/1207:10 -
Nonstop1h 40m
Mon 7/1215:30 -
1 stop6h 05m
Deal found 2/11£98
Wed 16/1207:10 -
Nonstop1h 40m
Wed 23/1215:05 -
1 stop17h 30m
Deal found 1/11£105
Wed 11/1107:10 -
Nonstop1h 40m
Wed 18/1109:15 -
1 stop25h 10m
Deal found 4/11£108
Sat 28/1107:00 -
Nonstop1h 45m
Sat 5/1208:20 -
1 stop8h 30m
Deal found 31/10£109
Fri 4/1207:10 -
Nonstop1h 40m
Fri 11/1220:00 -
Nonstop1h 40m
Deal found 4/11£110
Wed 11/1107:10 -
Nonstop1h 40m
Sat 14/1109:20 -
Nonstop1h 40m
Deal found 2/11£110

Find flight deals from Ireland to Southampton

Round-trip from

£93

One-way from

£38

Popular in

June

Cheapest in

September

Average price

£84

Good round-trip deal

£108 or less
Aer Lingus
  • Aer Lingus
  • 2/12-9/12
  • Nonstop
  • 3h 20m total
  • Ireland to Southampton
Aer Lingus
  • Aer Lingus
  • 9/2-31/12
  • Nonstop
  • 1h 40m total
  • Ireland to Southampton
Highest demand for flights based on searches. 16% potential increase in price (£11 potential increase over avg. return price).
Cheapest flight prices on average. 4% 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 Ireland to Southampton Eastleigh.

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

DublinSouthampton

DUB Dublin - SOU Southampton Eastleigh

DUBSOU

Dublin

Tue 9/2

10:10-11:50

Nonstop1h 40m

Southampton Eastleigh

Wed 31/12

00:00-00:00

Nonstop0h 00m

£38

DublinSouthampton

DUB Dublin - SOU Southampton Eastleigh

DUBSOU

Dublin

Wed 10/2

10:10-11:50

Nonstop1h 40m

Southampton Eastleigh

Wed 31/12

00:00-00:00

Nonstop0h 00m

£38

DublinSouthampton

DUB Dublin - SOU Southampton Eastleigh

DUBSOU

Dublin

Fri 15/1

17:50-19:30

Nonstop1h 40m

Southampton Eastleigh

Wed 31/12

00:00-00:00

Nonstop0h 00m

£40

DublinSouthampton

DUB Dublin - SOU Southampton Eastleigh

DUBSOU

Dublin

Tue 10/11

07:10-08:50

Nonstop1h 40m

Southampton Eastleigh

Wed 31/12

00:00-00:00

Nonstop0h 00m

£46

DublinSouthampton

DUB Dublin - SOU Southampton Eastleigh

DUBSOU

Dublin

Fri 4/12

06:10-07:45

1 stop25h 35m

Southampton Eastleigh

Wed 31/12

00:00-00:00

Nonstop0h 00m

£54

DublinSouthampton

DUB Dublin - SOU Southampton Eastleigh

DUBSOU

Dublin

Mon 23/11

21:15-11:45

1 stop14h 30m

Southampton Eastleigh

Wed 31/12

00:00-00:00

Nonstop0h 00m

£57

DublinSouthampton

DUB Dublin - SOU Southampton Eastleigh

DUBSOU

Dublin

Wed 10/2

17:15-08:10

1 stop14h 55m

Southampton Eastleigh

Wed 31/12

00:00-00:00

Nonstop0h 00m

£67

DublinSouthampton

DUB Dublin - SOU Southampton Eastleigh

DUBSOU

Dublin

Fri 13/11

07:10-08:50

Nonstop1h 40m

Southampton Eastleigh

Wed 31/12

00:00-00:00

Nonstop0h 00m

£69

DublinSouthampton

DUB Dublin - SOU Southampton Eastleigh

DUBSOU

Dublin

Tue 10/11

06:40-11:45

1 stop5h 05m

Southampton Eastleigh

Wed 31/12

00:00-00:00

Nonstop0h 00m

£82

DublinSouthampton

DUB Dublin - SOU Southampton Eastleigh

DUBSOU

Dublin

Fri 4/12

07:10-08:50

Nonstop1h 40m

Southampton Eastleigh

Mon 7/12

20:00-21:40

Nonstop1h 40m

£94

Flights are sorted by cheapest return flights first.

Deals found on 1/11

Showing 1-10 of 20 resultsSorted by cheapest first
1
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Best time to book a flight from Ireland to Southampton

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

Cheapflights Insights

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

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

Currently, November is the cheapest month in which you can book a flight from Ireland to Southampton (average of £121). Flying from Ireland to Southampton in July is currently the most expensive (average of £171). 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 IE to SOU?

When flying from Ireland to Southampton, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Ireland to Southampton

The most flights from IE0 to SOU are scheduled on a Monday (7 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

How often are flights from Ireland to Southampton delayed?

About 16% of weekly flights between Ireland and Southampton have experienced delays in the past year, with the average delay time being 107 minutes.

What is the most punctual flight time for Ireland to Southampton flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Ireland to Southampton flights?

Over the past year, Aer Lingus have had the lowest number of delays on this route, with just 16% of flights being delayed.

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

The price you pay for your flight from Ireland to Southampton may vary depending on when you book. For the best chance of a lower fare, look to book 25 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Southampton

Check out reviews from past customers who have flown with Aer Lingus from Ireland to Southampton to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.0

Comfort

7.2

Food

6.7

Overall

7.3

Crew

8.1

Boarding

7.5

Reviews

1 / 20
10.0
Excellent

Karin,Oct 2026

DUB - MCO

Food could have been better. The chicken and rice dish was excellent. Not sure about the salads. And the pizza was horrible was lukewarm and had way too much dough. Staff was mixed. Some staff didn’t seem like they wanted to be there.

Entertainment

7.0

Comfort

7.2

Food

6.7

Overall

7.3

Crew

8.1

Boarding

7.5

Reviews

1 / 20
10.0
Excellent

Karin,Oct 2026

DUB - MCO

Food could have been better. The chicken and rice dish was excellent. Not sure about the salads. And the pizza was horrible was lukewarm and had way too much dough. Staff was mixed. Some staff didn’t seem like they wanted to be there.

Related info for your journey

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

    Located just 3.5 mi from the city center, Southampton Eastleigh (SOU) is the airport most travelers will use when flying to Southampton from Ireland.

  • How popular is this Ireland to Southampton flight route?

  • How long is the flight from Ireland to Southampton?

    Departing from Ireland to Southampton will take you 1h 40m. The distance from Ireland to Southampton is about 268 mi. Generally, flights for this route are direct.

  • What are the most popular routes from Ireland to Southampton?

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

    No one likes to see their flight delayed. When booking a flight from Ireland to Southampton consider choosing British Airways (86%), Qatar Airways (85%) 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 Ireland to Southampton?

    Looking at all options, your cheapest flight can be booked for £95. While the most popular route (Dublin - Southampton Eastleigh) can be booked for £94 on average, our data indicates £123 when flying from Ireland to Southampton.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ireland to Southampton 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 Ireland to Southampton?

    Currently, November is the cheapest month in which you can book a flight from Ireland to Southampton (average of £121). Flying from Ireland to Southampton in July is currently the most expensive (average of £171). 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 Ireland to Southampton

Top airline flying from Ireland to Southampton

AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£95Average£132FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

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