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Cheap flights from London to Killarney 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 21/6. Fares are subject to change and may not be available on all flights or dates of travel.
LON — ORK
4 Apr — 11 Apr1
1 adult

Cheapflights Tip: The best prices from London to Killarney are usually found in January or February, booked 28 days in advance, depart on a Wednesday or Sunday and return on a Tuesday

Cheap flight deals from London to Killarney

Keep the following information in mind while searching for London to Killarney flight deals. Data was last updated 30 March 2025.

Round-trip from

£28

One-way from

£20

Popular in

December

Cheapest in

January

Average price

£63
Ryanair
  • Ryanair
  • 7/5-9/5
  • Nonstop
  • 3h 00m total
  • London to Killarney
Search Deals
Ryanair
  • Ryanair
  • 21/6
  • Nonstop
  • 1h 25m total
  • London to Killarney
Search Deals
High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 4% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

Find flight deals from London to Killarney

Cheapest flights from London to Killarney
Explore the most affordable flight options available from London to Killarney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 March 2025.

Tue 1/413:05LTN - KIR
Nonstop1h 25mRyanair
Sun 6/411:20KIR - LTN
Nonstop1h 25mRyanair
Deal found 29/3£32
Sun 17/814:15STN - KIR
Nonstop1h 30mRyanair
Mon 18/815:25KIR - STN
Nonstop1h 30mRyanair
Deal found 30/3£46
Tue 22/409:00STN - KIR
Nonstop1h 30mMultiple Airlines
Tue 22/418:00KIR - STN
2 stops13h 45mMultiple Airlines
Deal found 30/3£107
Wed 9/413:05LGW - KIR
1 stop3h 55mRyanair
Thu 10/411:25KIR - LGW
1 stop5h 40mRyanair
Deal found 30/3£137
Tue 13/506:20LHR - KIR
1 stop4h 40mMultiple Airlines
Tue 20/511:25KIR - LHR
1 stop10h 15mMultiple Airlines
Deal found 29/3£143
Sun 6/408:00LTN - KIR
2 stops33h 35mMultiple Airlines
Sat 12/417:40KIR - LTN
Nonstop1h 25mMultiple Airlines
Deal found 30/3£160
Tue 8/407:00SEN - KIR
2 stops10h 35mMultiple Airlines
Thu 10/415:35KIR - SEN
1 stop7h 30mMultiple Airlines
Deal found 29/3£216
Fri 23/506:45LCY - KIR
1 stop10h 15mMultiple Airlines
Wed 28/517:30KIR - LCY
1 stop4h 10mMultiple Airlines
Deal found 29/3£297
Sun 6/406:00LGW - KIR
2 stops11h 05mMultiple Airlines
Sat 12/410:25KIR - LGW
1 stop8h 30mMultiple Airlines
Deal found 30/3£402

Cheapflights Fare Finder

Customise your flight search to find flights from London to Killarney 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 30 March 2025.
Use the filters below to find and compare flights from London to Killarney that are best for you.

Fly from

London

Fly to

Killarney

Route

Depart

Return

Price

LondonMilltown (Kerry)

STN - KIR

STNKIR

London Stansted

Wed 7/5

12:35-14:05

Nonstop1h 30m

Milltown (Kerry) Kerry

Fri 9/5

14:10-15:40

Nonstop1h 30m

£28

LondonMilltown (Kerry)

LTN - KIR

LTNKIR

London Luton

Sun 15/6

09:30-10:55

Nonstop1h 25m

Milltown (Kerry) Kerry

Sat 21/6

17:40-19:05

Nonstop1h 25m

£33

LondonMilltown (Kerry)

STN - KIR

STNKIR

London Stansted

Tue 22/4

09:00-10:30

Nonstop1h 30m

Milltown (Kerry) Kerry

Tue 22/4

18:00-07:45

2 stops13h 45m

£107

LondonMilltown (Kerry)

LGW - KIR

LGWKIR

London Gatwick

Wed 9/4

13:05-17:00

1 stop3h 55m

Milltown (Kerry) Kerry

Thu 10/4

11:25-17:05

1 stop5h 40m

£137

LondonMilltown (Kerry)

LHR - KIR

LHRKIR

London Heathrow

Tue 13/5

06:20-11:00

1 stop4h 40m

Milltown (Kerry) Kerry

Tue 20/5

11:25-21:40

1 stop10h 15m

£143

LondonMilltown (Kerry)

LCY - KIR

LCYKIR

London City

Fri 23/5

06:45-17:00

1 stop10h 15m

Milltown (Kerry) Kerry

Wed 28/5

17:30-21:40

1 stop4h 10m

£297

LondonMilltown (Kerry)

STN - KIR

STNKIR

London Stansted

Sat 21/6

06:35-17:10

1 stop10h 35m

£42

LondonMilltown (Kerry)

LGW - KIR

LGWKIR

London Gatwick

Sat 21/6

20:20-11:15

1 stop14h 55m

£54

LondonMilltown (Kerry)

LHR - KIR

LHRKIR

London Heathrow

Sat 21/6

06:15-10:00

1 stop3h 45m

£85

LondonMilltown (Kerry)

STN - KIR

STNKIR

London Stansted

Sat 21/6

07:50-17:10

2 stops9h 20m

£87

Flights are sorted by cheapest return flights first.

Deals found on 30/3

Showing 1-10 of 11 results
1
2

Best time to book a flight from London to Killarney

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

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

Use this chart to determine the optimal time to book a return flight from London to Killarney. Price data was last updated on 28 March 2025.

To ensure you get the cheapest price possible for a flight from London to Killarney, you should look to book at least 21 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, April is the cheapest month in which you can book a flight from London to Killarney (average of £54). Flying from London to Killarney in August is currently the most expensive (average of £115). 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 K1R?

Find hourly flight availability from London to Killarney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 March 2025.

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

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

Use this chart to determine the cheapest time to fly return from London to Killarney. Price data was last updated on 16 December 2024.

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

Reviews of airlines servicing Killarney

Get insights into the airlines that provide service to Killarney. 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 Killarney. Reviews last updated 30 March 2025.
Ryanair
6.8
Okay
5,009 reviews
Check prices

Entertainment

5.6

Food

6.0

Boarding

6.7

Crew

7.5

Overall

6.8

Comfort

6.5

Reviews

1 / 20
8.0
Excellent

Chris,Mar 2025

BRS - SOF

No real entertainment but I want expecting any tbh so not really a negative. Flight was smooth, quick and bag drop and boarding smooth and simple. Staff were friendly.
Ryanair
6.8
Okay
5,009 reviews
Ryanair
6.8
Okay
5,009 reviews
Check prices

Entertainment

5.6

Food

6.0

Boarding

6.7

Crew

7.5

Overall

6.8

Comfort

6.5

Reviews

1 / 20
8.0
Excellent

Chris,Mar 2025

BRS - SOF

No real entertainment but I want expecting any tbh so not really a negative. Flight was smooth, quick and bag drop and boarding smooth and simple. Staff were friendly.

Related info for your journey

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

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

    The most popular flight routes from London to Killarney are London Luton - Milltown (Kerry) Kerry, London Stansted - Milltown (Kerry) Kerry and London Heathrow - Milltown (Kerry) Kerry.

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

    Before booking your flight to Killarney from London, check out the most reliable airlines to get you to your destination on time: American Airlines (0%), Qatar Airways (0%), Air Canada( 0%).

  • What are the cheapest flights from London to Killarney?

    Looking for the cheapest flight from London to Killarney? While on average our users pay £117, our data indicates the cheapest price to be £74. The most popular route (London Luton - Milltown (Kerry) Kerry), is priced around £28.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from London to Killarney 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 Killarney?

    Currently, April is the cheapest month in which you can book a flight from London to Killarney (average of £54). Flying from London to Killarney in August is currently the most expensive (average of £115). 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

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Top 3 airlines flying from London to Killarney

Discover the top 3 airlines that operate flights from London to Killarney. 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 30 March 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£25Average£64FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Aer LingusCheapest£90Average£140FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
British AirwaysCheapest£173Average£216FlexibilityNo cancel feeOn-time70%
Search British Airways 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 London to Killarney?

Cheapflights makes it easy to find London to Killarney 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 Killarney?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Killarney from London.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from London to Killarney flexibly with Cheapflights today.

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

Yes! Start tracking prices for London to Killarney flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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