Cheapflights Tip: The best prices from London to Killarney are usually found in January or March, booked 47 days in advance, depart on a Monday or Tuesday and return on a Monday
Find flight deals from London to Killarney
Keep the following information in mind while searching for London to Killarney flight deals. Data was last updated 19 October 2026.
Popular in
August
Cheapest in
January
Average price
£90
Highest demand for flights based on searches. 18% potential increase in price (£11 potential increase over avg. return price).
Everything you need to know about your flight from London to Killarney
Prices
Airlines
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 19 October 2026.
It’s optimal to fly from London to Killarney in the afternoon. By choosing this option you can save up to 29% on the cost of your flight, compared to a flight in the morning.
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 17 October 2026.
Travellers seeking maximum savings on their London to Killarney flight should consider departing on Monday at midday when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from London to Killarney
Explore weekly flight availability from London to Killarney. 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 19 October 2026.
The most flights from LON to K1R are scheduled on a Friday (22 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (15 on average).
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 19 October 2026.
Read through reviews of airlines operating flights from London to Killarney, such as Ryanair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Terrible they overbooked a didn't let 2 of our friends on, absolute shambles
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), London Stansted - Milltown (Kerry) and London Gatwick - Milltown (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: Qatar Airways (92%), Aer Lingus (92%), British Airways( 92%).
What are the cheapest flights from London to Killarney?
Looking for the cheapest flight from London to Killarney? While on average our users pay £144, our data indicates the cheapest price to be £88. The most popular route (London Luton - Milltown (Kerry)), is priced around £26.
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.
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 7,457,451 searches. Data last updated 19 October 2026.
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.
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
We value your privacy
Cheapflights and its partners wish to use cookies or similar technologies to store and/or access information on and about your device and process personal data such as your IP address, device identifiers etc., in order to improve your experience on the site, to analyse navigation, to offer and measure personalised advertising, and to facilitate sharing on social networks. We also allow the use of third-party cookies (including those from our advertising partners) on our sites.
By clicking 'Accept', you consent to your data being processed by 0 vendors on this web site for the purposes described in this notice. You can review the vendors and their individual processing purposes on the .
To review individual processing purposes and cookie categories, please click ’Select individual purposes’. You can review your choices and withdraw your consent at any time by clicking the ’Privacy Preferences’ link in the page side navigation.