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Cheap flights from Southampton to Kilkenny 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 31/12. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — DUB
18 Dec — 25 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Southampton Eastleigh to Kilkenny are usually found in January or February, booked 46 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Southampton to Kilkenny

Keep the following information in mind while searching for Southampton to Kilkenny flight deals. Data was last updated 18 November 2025.

Round-trip from

£109

One-way from

£49

Popular in

June

Cheapest in

January

Average price

£137
Aer Lingus
  • Aer Lingus
  • 10/1-11/1
  • Nonstop
  • 3h 25m total
  • Southampton to Kilkenny
Search Deals
Aer Lingus
  • Aer Lingus
  • 31/12
  • Nonstop
  • 1h 35m total
  • Southampton to Kilkenny
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£14 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find flight deals from Southampton to Kilkenny

Enter your travel dates to find the best prices.

Cheapest flights from Southampton to Kilkenny
Explore the most affordable flight options available from Southampton to Kilkenny. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 November 2025.

Mon 15/1219:55SOU - DUB
1 stop16h 45mMultiple Airlines
Fri 19/1207:00DUB - SOU
Nonstop1h 45mMultiple Airlines
Deal found 16/11£112
Mon 24/1120:10SOU - DUB
Nonstop1h 40mAer Lingus
Tue 25/1110:10DUB - SOU
Nonstop1h 45mAer Lingus
Deal found 17/11£112
Tue 30/1216:05SOU - DUB
Nonstop1h 35mAer Lingus
Fri 2/107:00DUB - SOU
Nonstop1h 45mAer Lingus
Deal found 15/11£113
Sun 30/1109:30SOU - DUB
Nonstop1h 40mAer Lingus
Sun 7/1207:00DUB - SOU
Nonstop1h 45mAer Lingus
Deal found 17/11£116
Wed 10/1209:25SOU - DUB
1 stop12h 20mMultiple Airlines
Mon 15/1222:10DUB - SOU
1 stop10h 40mMultiple Airlines
Deal found 17/11£119
Mon 15/1220:10SOU - DUB
Nonstop1h 40mAer Lingus
Mon 22/1207:00DUB - SOU
Nonstop1h 45mAer Lingus
Deal found 15/11£120
Tue 30/1220:10SOU - DUB
Nonstop1h 40mMultiple Airlines
Thu 1/109:05DUB - SOU
1 stop8h 15mMultiple Airlines
Deal found 15/11£121
Mon 15/1219:55SOU - DUB
1 stop16h 45mMultiple Airlines
Mon 22/1207:00DUB - SOU
Nonstop1h 45mMultiple Airlines
Deal found 15/11£125
Mon 1/1212:05SOU - DUB
1 stop12h 30mMultiple Airlines
Sun 7/1207:00DUB - SOU
Nonstop1h 45mMultiple Airlines
Deal found 17/11£128
Sun 23/1109:30SOU - DUB
Nonstop1h 40mAer Lingus
Sun 30/1107:00DUB - SOU
Nonstop1h 45mAer Lingus
Deal found 16/11£128
Tue 30/1220:10SOU - DUB
Nonstop1h 40mMultiple Airlines
Tue 6/117:15DUB - SOU
1 stop15h 35mMultiple Airlines
Deal found 15/11£134

Cheapflights Fare Finder

 
Customise your flight search to find flights from Southampton to Kilkenny 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 18 November 2025.
Use the filters below to find and compare flights from Southampton to Kilkenny that are best for you.

Fly from

Southampton

Fly to

Kilkenny

Route

Depart

Return

Price

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Sun 29/3

20:00-21:35

Nonstop1h 35m

Dublin

Wed 1/4

06:25-08:05

Nonstop1h 40m

£115

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Sun 18/1

18:20-23:15

1 stop4h 55m

Dublin

Mon 9/2

22:10-08:50

1 stop10h 40m

£116

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Wed 31/12

16:05-17:40

Nonstop1h 35m

Dublin

Fri 2/1

07:00-08:45

Nonstop1h 45m

£119

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Thu 1/1

17:55-22:25

1 stop4h 30m

Dublin

Sat 3/1

07:00-08:45

Nonstop1h 45m

£125

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Wed 4/2

12:25-14:00

Nonstop1h 35m

Dublin

Sat 7/2

05:55-13:10

1 stop7h 15m

£125

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Sun 29/3

17:35-12:35

1 stop19h 00m

Dublin

Wed 1/4

06:25-08:05

Nonstop1h 40m

£141

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Tue 3/2

09:20-17:40

1 stop8h 20m

Dublin

Thu 5/2

13:05-13:45

2 stops24h 40m

£144

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Sat 10/1

09:25-16:20

1 stop6h 55m

Dublin

Sun 11/1

08:50-08:50

1 stop24h 00m

£151

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Thu 12/2

09:00-16:20

1 stop7h 20m

Dublin

Sat 21/2

08:50-17:00

1 stop8h 10m

£156

SouthamptonDublin

SOU - DUB

SOUDUB

Southampton Eastleigh

Mon 15/12

19:55-12:40

1 stop16h 45m

Dublin

Fri 19/12

13:25-06:45

2 stops17h 20m

£159

Flights are sorted by cheapest return flights first.

Deals found on 16/11

Showing 1-10 of 22 results
1
2
3

Best time to book a flight from Southampton to Kilkenny

Have a flexible travel schedule? Discover the best time to fly to Kilkenny 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 Kilkenny

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

Use this chart to determine the optimal time to book a return flight from Southampton to Kilkenny. Price data was last updated on 14 November 2025.

Booking 46 days in advance of your planned departure date is, on average, the best time to get cheap flights from Southampton to Kilkenny. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from Southampton to Kilkenny (average of £20). Flying from Southampton to Kilkenny in August is currently the most expensive (average of £33). 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 K1L?

Find hourly flight availability from Southampton to Kilkenny. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 November 2025.

A simple way to save on the total cost of your ticket is to fly from Southampton to Kilkenny at midday. If you’re flexible enough to do this you can expect to save up to 56% on your trip compared to booking a flight in the morning.

Weekly flight availability from Southampton to Kilkenny

Explore weekly flight availability from Southampton to Kilkenny. 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 18 November 2025.

The most flights from SOU to K1L 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 Kilkenny

Get insights into the airlines that provide service to Kilkenny. 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 Kilkenny. Reviews last updated 18 November 2025.
Read reviews from past customers who have flown with KLM, Aer Lingus, andRyanair from Southampton to Kilkenny. 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
1,411 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Food

7.3

Crew

8.4

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,411 reviews
KLM
7.7
Good
1,411 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Food

7.3

Crew

8.4

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Aer Lingus
7.2
Good
1,373 reviews
KLM
7.7
Good
1,411 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Food

7.3

Crew

8.4

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Ryanair
6.8
Okay
5,193 reviews
KLM
7.7
Good
1,411 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Food

7.3

Crew

8.4

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
British Airways
6.7
Okay
7,529 reviews
KLM
7.7
Good
1,411 reviews
Check prices

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Food

7.3

Crew

8.4

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Related info for your journey

Find useful and relevant information for your journey from Southampton to Kilkenny. 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 Kilkenny?

    Southampton Eastleigh (SOU), located 3.5 mi from the city center, is the airport you fly out of when you book flights from Southampton to Kilkenny. 4 airlines have flights from Eastleigh to Kilkenny on a regular basis. Booking flights from Southampton Eastleigh to Kilkenny should not be difficult; the airport handles an average of 6 outbound flights to Kilkenny per day.

  • How popular is this Southampton to Kilkenny flight route?

    This flight path from Southampton Eastleigh to Kilkenny was viewed by 1,447 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 Kilkenny?

    Departing from Southampton to Kilkenny will take you 1h 35m. The distance between Southampton and Kilkenny is about 268 mi. All flights are typically direct.

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

    The top 3 most reliable airlines when flying from Southampton to Kilkenny are Qatar Airways (77%), Aer Lingus (74%) and Emerald Airlines (74%).

  • What are the cheapest flights from Southampton to Kilkenny?

    Looking for the cheapest flight from Southampton to Kilkenny? While on average our users pay £119, our data indicates the cheapest price to be £82. The most popular route (Southampton Eastleigh - Dublin), is priced around £77.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Southampton to Kilkenny (average of £20). Flying from Southampton to Kilkenny in August is currently the most expensive (average of £33). 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

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Alternative routes for Southampton to Kilkenny

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Southampton to Kilkenny

Discover the top 4 airlines that operate flights from Southampton to Kilkenny. 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 18 November 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£26Average£51FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
British AirwaysCheapest£73Average£216FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapest£87Average£143FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
KLMCheapest£133Average£190FlexibilityNo 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 Kilkenny?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Southampton to Kilkenny. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Southampton to Kilkenny for you. Better yet — we are completely free to use.

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

Certainly. Search results for flights to Kilkenny 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 Kilkenny become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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