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Cheap flights from London to Kilkenny from £23

LON — DUB
25 Sep — 2 Oct1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London to Kilkenny are usually found in January or November, booked 31 days in advance, depart on a Saturday or Friday and return on a Friday

Cheap flight deals from London to Kilkenny

Enter your travel dates to find the best prices.

Cheapest flights from London to Kilkenny

Thu 8/1008:40 -
Nonstop1h 25m
Sun 11/1006:45 -
Nonstop1h 30m
Deal found 25/8£35
Thu 24/913:00 -
Nonstop1h 20m
Sat 26/923:15 -
Nonstop1h 15m
Deal found 25/8£35
Thu 3/918:00 -
Nonstop1h 20m
Wed 9/922:00 -
Nonstop1h 20m
Deal found 21/8£35
Tue 8/921:35 -
Nonstop1h 25m
Tue 15/918:35 -
Nonstop1h 30m
Deal found 22/8£36
Mon 12/1008:15 -
Nonstop1h 20m
Wed 14/1020:55 -
Nonstop1h 15m
Deal found 24/8£36
Fri 4/922:50 -
Nonstop1h 20m
Mon 7/911:35 -
Nonstop1h 20m
Deal found 24/8£36
Sat 5/919:20 -
Nonstop1h 25m
Thu 10/916:20 -
Nonstop1h 30m
Deal found 21/8£37
Tue 8/909:40 -
Nonstop1h 20m
Tue 8/921:35 -
Nonstop1h 15m
Deal found 26/8£37
Tue 1/922:00 -
Nonstop1h 20m
Tue 8/906:30 -
Nonstop1h 20m
Deal found 23/8£37
Thu 3/908:40 -
Nonstop1h 25m
Mon 7/906:25 -
Nonstop1h 30m
Deal found 24/8£37
Wed 2/919:05 -
Nonstop1h 20m
Sun 6/907:05 -
Nonstop1h 15m
Deal found 24/8£37
Wed 21/1018:00 -
Nonstop1h 20m
Wed 28/1006:55 -
Nonstop1h 20m
Deal found 25/8£37

Find flight deals from London to Kilkenny

Round-trip from

£35

One-way from

£23

Popular in

December

Cheapest in

January

Average price

£78
Ryanair
  • Ryanair
  • 8/10-11/10
  • Nonstop
  • 2h 55m total
  • London to Kilkenny
Search Deals
Ryanair
  • Ryanair
  • 22/11
  • Nonstop
  • 1h 20m total
  • London to Kilkenny
Search Deals
High demand for flights, 9% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£2 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
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Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonDublin

LGW London Gatwick - DUB Dublin

LGWDUB

London Gatwick

Tue 15/9

21:35-23:00

Nonstop1h 25m

Dublin

Tue 22/9

18:35-20:05

Nonstop1h 30m

£35
Fastest return journey

LondonDublin

LTN London Luton - DUB Dublin

LTNDUB

London Luton

Wed 14/10

13:50-15:10

Nonstop1h 20m

Dublin

Sun 18/10

07:05-08:20

Nonstop1h 15m

£35

LondonDublin

LTN London Luton - DUB Dublin

LTNDUB

London Luton

Mon 14/9

08:15-09:35

Nonstop1h 20m

Dublin

Thu 17/9

07:45-09:00

Nonstop1h 15m

£35

LondonDublin

LTN London Luton - DUB Dublin

LTNDUB

London Luton

Wed 16/9

06:15-07:35

Nonstop1h 20m

Dublin

Wed 23/9

08:00-09:15

Nonstop1h 15m

£35

LondonDublin

STN London Stansted - DUB Dublin

STNDUB

London Stansted

Mon 7/9

22:45-00:05

Nonstop1h 20m

Dublin

Sat 12/9

22:00-23:20

Nonstop1h 20m

£35

LondonDublin

LTN London Luton - DUB Dublin

LTNDUB

London Luton

Sat 19/9

14:25-15:45

Nonstop1h 20m

Dublin

Thu 24/9

20:00-21:15

Nonstop1h 15m

£36

LondonDublin

STN London Stansted - DUB Dublin

STNDUB

London Stansted

Mon 28/9

08:30-09:50

Nonstop1h 20m

Dublin

Mon 28/9

18:10-19:30

Nonstop1h 20m

£36

LondonDublin

STN London Stansted - DUB Dublin

STNDUB

London Stansted

Tue 15/9

22:00-23:20

Nonstop1h 20m

Dublin

Tue 22/9

06:30-07:50

Nonstop1h 20m

£36

LondonDublin

STN London Stansted - DUB Dublin

STNDUB

London Stansted

Mon 7/9

22:45-00:05

Nonstop1h 20m

Dublin

Thu 10/9

22:00-23:20

Nonstop1h 20m

£37

LondonDublin

LGW London Gatwick - DUB Dublin

LGWDUB

London Gatwick

Fri 18/9

22:00-23:25

Nonstop1h 25m

Dublin

Sat 19/9

18:25-19:55

Nonstop1h 30m

£37

Flights are sorted by cheapest return flights first.

Deals found on 22/8

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from London to Kilkenny

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

Cheapflights Insights

Everything you need to know about your flight from London to Kilkenny

What is the cheapest time of day to fly from LON to K1L?

A simple way to save on the total cost of your ticket is to fly from London to Kilkenny in the afternoon. If you’re flexible enough to do this you can expect to save up to 36% on your trip compared to booking a flight in the morning.

Weekly flight availability from London to Kilkenny

The most flights from LON to K1L are scheduled on a Tuesday (103 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (40 on average).

How much does it cost for a return flight from London to Kilkenny?

Airfare is below average for this route at the moment.
London to Kilkenny flights typically cost between £43 and £110 in October.
The cheapest return price found within the last 5 days was £35 on Ryanair (8 Oct–11 Oct).

What is the cheapest day to fly from London to Kilkenny?

Travellers seeking maximum savings on their London to Kilkenny flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Kilkenny

Check out reviews from past customers who have flown with Aer Lingus,Ryanair, andBritish Airways from London to Kilkenny to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aer Lingus
7.3
Good
1,728 reviews
Check prices

Boarding

7.5

Entertainment

7.0

Comfort

7.2

Food

6.7

Overall

7.3

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.
Aer Lingus
7.3
Good
1,728 reviews
Aer Lingus
7.3
Good
1,728 reviews
Check prices

Boarding

7.5

Entertainment

7.0

Comfort

7.2

Food

6.7

Overall

7.3

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.
Ryanair
6.9
Okay
5,482 reviews
Aer Lingus
7.3
Good
1,728 reviews
Check prices

Boarding

7.5

Entertainment

7.0

Comfort

7.2

Food

6.7

Overall

7.3

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.
British Airways
6.7
Okay
8,194 reviews
Aer Lingus
7.3
Good
1,728 reviews
Check prices

Boarding

7.5

Entertainment

7.0

Comfort

7.2

Food

6.7

Overall

7.3

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

  • How long is the flight from London to Kilkenny?

    There are many flights that can get you from London to Kilkenny in 1h 25m. Fly via Ryanair to get the fastest option. There are 300 mi between London and Kilkenny. All flights are typically direct.

  • What are the cheapest airlines to fly from London to Kilkenny one-way?

    One-way options have recently been found by users for as low as £15 on Ryanair. Other airlines that offer cheap prices include British Airways from £44 and Aer Lingus from £63 one-way.

  • What are the most popular routes from London to Kilkenny?

    The most popular route from London to Kilkenny is London Stansted - Dublin. You may also consider London Heathrow - Dublin or London Luton - Dublin.

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

    The top 3 most reliable airlines when flying from London to Kilkenny are Air Canada (87%), Aer Lingus (80%) and Qatar Airways (80%).

  • What are the cheapest flights from London to Kilkenny?

    The cheapest flight price from London to Kilkenny is £62. On average you can expect to pay £711. The most popular route, (London Stansted - Dublin), can usually be booked for £28.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from London 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from London to Kilkenny

AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£30Average£69FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
British AirwaysCheapest£68Average£159FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapest£80Average£148FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

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Yes, Cheapflights offers price alerts on London to Kilkenny 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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