Cheap flights from London to Ireland from €29
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Ireland departing on 17/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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British Airways flights from London to Ireland
Our best British Airways deals on London to Ireland flight tickets
Aer Lingus flights from London to Ireland
Our best Aer Lingus deals on London to Ireland flight tickets
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How to get the cheapest flight ticket from London to Ireland
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Ireland?
The month of September is another great option to travel to Ireland, with average flight prices from London averaging around €60.
What is the cheapest day to depart on your flight to Ireland?
The cheapest day to depart on your flight to Ireland is on a Sunday when prices can be found for as low as €0. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around €167. These prices are subject to change though, so be sure to set up a Price Alert for flights to Ireland.
What is the cheapest time of day to depart on your flight to Ireland?
In the morning is the cheapest time of day to fly from London to Ireland when you can find flight prices for as low as €145. Flying to Ireland in the morning is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Ireland is at midday when prices are around €296.
What is the cheapest London to Ireland flight route?
Fly from London Stansted to Dublin for the best London - Ireland flight prices
How far in advance should I book a flight to Ireland?
You are more likely to see cheaper flights to Ireland from London when booking 26 weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around €138 when searching 26 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from London for as low as €100 on momondo.
What cabin class options are available on London to Ireland flights?
There are 2 cabin classes available to choose from on London to Ireland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
How many flights depart from London to Ireland on average per day?
The number of flights available between London and Ireland is 96 per day as of April 2025. The most frequent departure time is 09:00, with 37% of daily flights leaving at midday.
How many flights depart from London to Ireland on average per week?
The number of flights available between London and Ireland is 673 per week as of April 2025. The most frequent departure day is Tue, with 21% of weekly flights leaving on this day.
Cheap London to Ireland flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London to Ireland
When did momondo last update prices for flights from London to Ireland?
Prices for flights from London to Ireland are updated daily.
How many operators does momondo search for flights from London to Ireland?
There are 2 operators available for flights from London to Ireland as of April 2025.
How old do you have to be to fly from London to Ireland?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London to Ireland.
What documentation or ID do you need to fly to Ireland?
The necessary travel and health documents for your Ireland trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from London to Ireland?
Based on momondo bookings for flights between London and Ireland, the leading plane model is Boeing 737-800 Passenger/BBJ2 (winglets), making up 22.83% of the total bookings. Other popular models include Airbus A320neo with 13.51%, Boeing 737 MAX 8 with 13.38%, and Airbus A321neo with 8.14%.
Best airlines flying from London to Ireland
Compare and see reviews for airlines that fly from London to Ireland with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom €58 | Free Cancellation | Rating 6.6 6,765 reviews | |||
| PriceFrom €140 | Free Cancellation | Rating 7.0 1,063 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from London to Ireland?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Ireland for you.
Can I find flights from London to Ireland with flexible booking policies on momondo?
Flights from London to Ireland with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from London to Ireland?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ireland from London.
I’m not ready to book a flight from London to Ireland right now. Can momondo alert me if prices change?
If you are not ready to book a flight from London to Ireland now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ireland and let you know when they change.