Cheap flights from London to Ireland from £19
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 22/9. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from London to Ireland
Keep the following information in mind while searching for London to Ireland flight deals. Data was last updated 16 July 2025.
Round-trip from | £32 |
---|---|
One-way from | £19 |
Popular in | December |
Cheapest in | January |
Average price | £75 |
Good round-trip deal | £34 or less |
Good one-way deal | £18 or less |
Find flight deals from London to Ireland
Cheapest flights from London to IrelandExplore the most affordable flight options available from London to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 July 2025.
Explore the most affordable flight options available from London to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 July 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from London to Ireland 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 16 July 2025.
Use the filters below to find and compare flights from London to Ireland that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
LondonDublin
LTN - DUB
LTNDUB
London Luton
Tue 12/8
21:50-23:05
Nonstop1h 15m
Dublin
Tue 19/8
07:50-09:00
Nonstop1h 10m
LondonDublin
STN - DUB
STNDUB
London Stansted
Tue 12/8
12:15-13:35
Nonstop1h 20m
Dublin
Tue 19/8
14:45-16:05
Nonstop1h 20m
LondonCork
STN - ORK
STNORK
London Stansted
Mon 18/8
22:15-23:40
Nonstop1h 25m
Cork
Sun 24/8
06:35-08:00
Nonstop1h 25m
LondonDublin
LGW - DUB
LGWDUB
London Gatwick
Tue 12/8
20:35-22:00
Nonstop1h 25m
Dublin
Wed 13/8
06:50-08:20
Nonstop1h 30m
LondonCork
LGW - ORK
LGWORK
London Gatwick
Sat 6/9
10:15-11:45
Nonstop1h 30m
Cork
Tue 9/9
08:05-09:35
Nonstop1h 30m
LondonCork
STN - ORK
STNORK
London Stansted
Thu 28/8
08:05-09:30
Nonstop1h 25m
Cork
Thu 4/9
20:55-22:20
Nonstop1h 25m
LondonDublin
STN - DUB
STNDUB
London Stansted
Thu 14/8
17:50-19:10
Nonstop1h 20m
Dublin
Sun 17/8
06:25-07:45
Nonstop1h 20m
LondonCork
STN - ORK
STNORK
London Stansted
Thu 28/8
19:05-20:30
Nonstop1h 25m
Cork
Thu 4/9
20:55-22:20
Nonstop1h 25m
LondonDublin
LHR - DUB
LHRDUB
London Heathrow
Fri 5/9
06:20-07:45
Nonstop1h 25m
Dublin
Sat 20/12
17:55-19:15
Nonstop1h 20m
LondonShannon
LHR - SNN
LHRSNN
London Heathrow
Tue 29/7
19:10-20:35
Nonstop1h 25m
Shannon
Thu 31/7
21:15-22:40
Nonstop1h 25m
Best time to book a flight from London to Ireland
Have a flexible travel schedule? Discover the best time to fly to Ireland from London with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from London to Ireland
What is the cheapest month to book a flight from London to Ireland?
Currently, January is the cheapest month in which you can book a flight from London to Ireland (average of £71). Flying from London to Ireland in August is currently the most expensive (average of £93). 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 IE?
Find hourly flight availability from London to Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 16 July 2025.
A simple way to save on the total cost of your ticket is to fly from London to Ireland in the afternoon. If you’re flexible enough to do this you can expect to save up to 20% on your trip compared to booking a flight in the morning.
What is the cheapest day to fly from London to Ireland?
Use this chart to determine the cheapest time to fly return from London to Ireland. Price data was last updated on 13 July 2025.
Travellers seeking maximum savings on their London to Ireland flight should consider departing on Saturday afternoons when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from London to Ireland
Explore weekly flight availability from London to Ireland. 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 16 July 2025.
The most flights from LON to IE0 are scheduled on a Monday (93 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (29 on average).
Reviews of airlines servicing Ireland
Get insights into the airlines that provide service to Ireland. 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 Ireland. Reviews last updated 16 July 2025.
Check out reviews from past customers who have flown with KLM, Vueling, andAer Lingus from London to Ireland 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.
Comfort
Overall
Food
Boarding
Crew
Entertainment
Reviews
Anonymous,Jun 2025
AMS - BOS
Comfort
Overall
Food
Boarding
Crew
Entertainment
Reviews
Anonymous,Jun 2025
AMS - BOS
Comfort
Overall
Food
Boarding
Crew
Entertainment
Reviews
Anonymous,Jun 2025
AMS - BOS
Comfort
Overall
Food
Boarding
Crew
Entertainment
Reviews
Anonymous,Jun 2025
AMS - BOS
Comfort
Overall
Food
Boarding
Crew
Entertainment
Reviews
Anonymous,Jun 2025
AMS - BOS
Comfort
Overall
Food
Boarding
Crew
Entertainment
Reviews
Anonymous,Jun 2025
AMS - BOS
Related info for your journey
Find useful and relevant information for your journey from London to Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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.
Alternative routes for London to Ireland
See prices for flight routes from nearby airports that may be better suited for you.
Top 4 airlines flying from London to Ireland
Discover the top 4 airlines that operate flights from London to Ireland. 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 16 July 2025.
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 Ireland?
When you search for this flight from London to Ireland, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from London to Ireland?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from London to Ireland for you. Better yet — we are completely free to use.
Can Cheapflights find flights from London to Ireland with no change fees?
Need flexible booking options for your flight to Ireland from London? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from London to Ireland become cheaper?
Yes! Start tracking prices for London to Ireland 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.