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Cheap flights from London to Kilkenny from £20

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 4/4. Fares are subject to change and may not be available on all flights or dates of travel.
LON — DUB
23 Apr — 30 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London to Kilkenny are usually found in January or September, booked 28 days in advance, depart on a Saturday or Tuesday 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
Explore the most affordable flight options available from London to Kilkenny. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 March 2026.

Tue 7/421:35
LGW
-
DUB
Nonstop1h 25m
Ryanair
Thu 9/406:25
DUB
-
LGW
Nonstop1h 30m
Ryanair
Deal found 22/3£37
Sat 25/411:00
LTN
-
DUB
Nonstop1h 20m
Ryanair
Mon 27/414:10
DUB
-
LTN
Nonstop1h 15m
Ryanair
Deal found 24/3£37
Sun 19/406:35
STN
-
DUB
Nonstop1h 20m
Ryanair
Mon 20/421:00
DUB
-
STN
Nonstop1h 20m
Ryanair
Deal found 23/3£37
Sat 4/421:30
LGW
-
DUB
Nonstop1h 25m
Ryanair
Thu 9/406:25
DUB
-
LGW
Nonstop1h 30m
Ryanair
Deal found 20/3£37
Fri 10/406:20
LTN
-
DUB
Nonstop1h 20m
Ryanair
Mon 13/412:10
DUB
-
LTN
Nonstop1h 15m
Ryanair
Deal found 20/3£37
Sat 2/520:00
STN
-
DUB
Nonstop1h 20m
Ryanair
Sun 3/506:30
DUB
-
STN
Nonstop1h 20m
Ryanair
Deal found 24/3£37
Sun 19/408:55
LGW
-
DUB
Nonstop1h 25m
Ryanair
Sun 26/407:55
DUB
-
LGW
Nonstop1h 30m
Ryanair
Deal found 23/3£38
Sat 4/421:25
LTN
-
DUB
Nonstop1h 20m
Ryanair
Sun 5/407:05
DUB
-
LTN
Nonstop1h 15m
Ryanair
Deal found 21/3£38
Tue 31/306:30
STN
-
DUB
Nonstop1h 20m
Ryanair
Sat 4/422:00
DUB
-
STN
Nonstop1h 20m
Ryanair
Deal found 21/3£38
Sat 2/521:25
LTN
-
DUB
Nonstop1h 20m
Ryanair
Wed 6/508:00
DUB
-
LTN
Nonstop1h 15m
Ryanair
Deal found 20/3£39
Wed 25/306:30
STN
-
DUB
Nonstop1h 20m
Ryanair
Fri 27/322:00
DUB
-
STN
Nonstop1h 20m
Ryanair
Deal found 19/3£39
Fri 17/421:25
LGW
-
DUB
Nonstop1h 25m
Ryanair
Wed 22/415:40
DUB
-
LGW
Nonstop1h 30m
Ryanair
Deal found 23/3£40

Find flight deals from London to Kilkenny

Keep the following information in mind while searching for London to Kilkenny flight deals. Data was last updated 24 March 2026.

Round-trip from

£37

One-way from

£20

Popular in

December

Cheapest in

January

Average price

£76
Ryanair
  • Ryanair
  • 7/4-9/4
  • Nonstop
  • 2h 55m total
  • London to Kilkenny
Search Deals
Ryanair
  • Ryanair
  • 4/4
  • Nonstop
  • 1h 25m total
  • London to Kilkenny
Search Deals
High demand for flights, 3% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£2 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from London 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 24 March 2026.
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
Fastest return journey

LondonDublin

LTN - DUB

LTNDUB

London Luton

Sun 5/4

09:00-10:20

Nonstop1h 20m

Dublin

Wed 8/4

08:00-09:15

Nonstop1h 15m

£37

LondonDublin

STN - DUB

STNDUB

London Stansted

Sat 2/5

22:00-23:20

Nonstop1h 20m

Dublin

Wed 6/5

21:00-22:20

Nonstop1h 20m

£37

LondonDublin

STN - DUB

STNDUB

London Stansted

Sat 11/4

11:10-12:30

Nonstop1h 20m

Dublin

Mon 13/4

06:30-07:50

Nonstop1h 20m

£37

LondonDublin

LTN - DUB

LTNDUB

London Luton

Fri 5/6

17:10-18:30

Nonstop1h 20m

Dublin

Sun 7/6

07:05-08:20

Nonstop1h 15m

£40

LondonDublin

STN - DUB

STNDUB

London Stansted

Sat 11/4

06:35-07:55

Nonstop1h 20m

Dublin

Sun 12/4

06:30-07:50

Nonstop1h 20m

£40

LondonDublin

LTN - DUB

LTNDUB

London Luton

Tue 7/4

19:50-21:10

Nonstop1h 20m

Dublin

Sun 12/4

07:05-08:20

Nonstop1h 15m

£45

LondonDublin

LGW - DUB

LGWDUB

London Gatwick

Wed 29/4

17:35-19:00

Nonstop1h 25m

Dublin

Fri 1/5

06:50-08:20

Nonstop1h 30m

£50

LondonDublin

STN - DUB

STNDUB

London Stansted

Mon 20/7

06:30-07:50

Nonstop1h 20m

Dublin

Tue 21/7

22:00-23:20

Nonstop1h 20m

£52

LondonDublin

LTN - DUB

LTNDUB

London Luton

Mon 6/4

08:15-09:35

Nonstop1h 20m

Dublin

Thu 9/4

07:45-09:00

Nonstop1h 15m

£53

LondonDublin

STN - DUB

STNDUB

London Stansted

Thu 21/5

08:30-09:50

Nonstop1h 20m

Dublin

Sun 24/5

22:00-23:20

Nonstop1h 20m

£58

Flights are sorted by cheapest return flights first.

Deals found on 21/3

Showing 1-10 of 60 resultsSorted by cheapest first
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2
3
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6

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
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 London to Kilkenny

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

Use this chart to determine the optimal time to book a return flight from London to Kilkenny. Price data was last updated on 13 March 2026.

The best time to book flights from London to Kilkenny is 28 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.

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

Currently, March is the cheapest month in which you can book a flight from London to Kilkenny (average of £23). Flying from London to Kilkenny in August is currently the most expensive (average of £32). 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 LON to K1L?

Find hourly flight availability from London 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 24 March 2026.

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 32% on your trip compared to booking a flight in the morning.

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

Use this chart to determine the cheapest time to fly return from London to Kilkenny. Price data was last updated on 23 March 2026.

Travellers seeking maximum savings on their London to Kilkenny flight should consider departing on Saturday 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.

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

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 24 March 2026.
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
7.2
Good
1,487 reviews
Check prices

Boarding

7.4

Crew

8.1

Food

6.6

Overall

7.2

Entertainment

7.0

Comfort

7.1

Reviews

1 / 20
2.0
Mediocre

Wendy,Mar 2026

YYZ - DUB

I didn’t happen, my seat was given away because even though my bag was checked through to Dublin apparently the previous airline didn’t check me in. Even when I asked specifically at check in they said I and my luggage we both checked all the way through.
Aer Lingus
7.2
Good
1,487 reviews
Aer Lingus
7.2
Good
1,487 reviews
Check prices

Boarding

7.4

Crew

8.1

Food

6.6

Overall

7.2

Entertainment

7.0

Comfort

7.1

Reviews

1 / 20
2.0
Mediocre

Wendy,Mar 2026

YYZ - DUB

I didn’t happen, my seat was given away because even though my bag was checked through to Dublin apparently the previous airline didn’t check me in. Even when I asked specifically at check in they said I and my luggage we both checked all the way through.
Ryanair
6.9
Okay
5,304 reviews
Aer Lingus
7.2
Good
1,487 reviews
Check prices

Boarding

7.4

Crew

8.1

Food

6.6

Overall

7.2

Entertainment

7.0

Comfort

7.1

Reviews

1 / 20
2.0
Mediocre

Wendy,Mar 2026

YYZ - DUB

I didn’t happen, my seat was given away because even though my bag was checked through to Dublin apparently the previous airline didn’t check me in. Even when I asked specifically at check in they said I and my luggage we both checked all the way through.
British Airways
6.7
Okay
7,813 reviews
Aer Lingus
7.2
Good
1,487 reviews
Check prices

Boarding

7.4

Crew

8.1

Food

6.6

Overall

7.2

Entertainment

7.0

Comfort

7.1

Reviews

1 / 20
2.0
Mediocre

Wendy,Mar 2026

YYZ - DUB

I didn’t happen, my seat was given away because even though my bag was checked through to Dublin apparently the previous airline didn’t check me in. Even when I asked specifically at check in they said I and my luggage we both checked all the way through.
Ryanair
6.4
Okay
Aer Lingus
7.2
Good
1,487 reviews
Check prices

Boarding

7.4

Crew

8.1

Food

6.6

Overall

7.2

Entertainment

7.0

Comfort

7.1

Reviews

1 / 20
2.0
Mediocre

Wendy,Mar 2026

YYZ - DUB

I didn’t happen, my seat was given away because even though my bag was checked through to Dublin apparently the previous airline didn’t check me in. Even when I asked specifically at check in they said I and my luggage we both checked all the way through.

Related info for your journey

Find useful and relevant information for your journey from London to Kilkenny. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from London to Kilkenny?

    There are many flights that can get you from London to Kilkenny in 1h 20m. Fly via Ryanair or British Airways to get the fastest option. There are 269 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 £45 and Aer Lingus from £68 one-way.

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

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

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

    The top 3 most reliable airlines when flying from London to Kilkenny are LATAM Airlines (94%), Japan Airlines (94%) and Kenya Airways (94%).

  • What are the cheapest flights from London to Kilkenny?

    The cheapest flight price from London to Kilkenny is £71. On average you can expect to pay £390. The most popular route, (London Heathrow - Dublin), can usually be booked for £77.

  • 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.

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

    Currently, March is the cheapest month in which you can book a flight from London to Kilkenny (average of £23). Flying from London to Kilkenny in August is currently the most expensive (average of £32). 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.

Top 3 airlines flying from London to Kilkenny

Discover the top 3 airlines that operate flights from London 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 24 March 2026.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£28Average£70FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
British AirwaysCheapest£70Average£176FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapest£72Average£174FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

Fly with Cheapflights

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How does Cheapflights help users find flights from London to Kilkenny?

Cheapflights makes it easy to find London to Kilkenny flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Millions of users choose and trust Cheapflights to book the best flight deals from London to Kilkenny for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Yes, we can. To see specific flights from London to Kilkenny with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from London to Kilkenny become cheaper?

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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