Cheap flights from Ireland to the United Kingdom from £20
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to the United Kingdom departing on 2/7. 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 Ireland to United Kingdom
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SWISS flights from Ireland to United Kingdom
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How to get the cheapest flight ticket from Ireland to United Kingdom
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 United Kingdom?
The cheapest month to fly to United Kingdom from Ireland is in January. Flight prices, which tend to average around £56, are often lower during this time because this is during the off-season. If you are unable to visit United Kingdom during the month of January, then departing from Ireland during the month November is also very affordable. Most momondo users find prices during this month for around £66.
What is the cheapest day to depart on your flight to United Kingdom?
The cheapest day to depart from Ireland to United Kingdom is on a Friday. Travellers who choose to depart for United Kingdom on a Friday will often find tickets for as low as £313. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Ireland to United Kingdom for around £490.
What is the cheapest time of day to depart on your flight to United Kingdom?
The cheapest time of day to fly to United Kingdom is in the evening when flights can be purchased for as low as £128. Try not to purchase tickets in the afternoon because they tend to be around £540. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest Ireland to United Kingdom flight route?
Fly from Cork to London Stansted for the best Ireland - United Kingdom flight prices
How far in advance should I book a flight to United Kingdom?
You are more likely to see cheaper flights to United Kingdom from Ireland when booking 23 weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around £116 when searching 23 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from Ireland for as low as £66 on momondo.
What cabin class options are available on Ireland to United Kingdom flights?
There are 3 cabin classes available to choose from on Ireland to United Kingdom flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Ireland to United Kingdom?
Ryanair, Aer Lingus, and British Airways are the most popular carriers operating from Ireland to United Kingdom
Which airlines fly to United Kingdom?
Ryanair, Aer Lingus and British Airways are the top three most popular airlines that fly to United Kingdom from Ireland according to our data. Ryanair is the first choice among our users, with 55% of people opting to fly with this airline when travelling to United Kingdom. Keep in mind that there are 4 different airlines that fly to United Kingdom on a routine basis, so you have a few additional options to choose from.
How many flights depart from Ireland to United Kingdom on average per day?
121 flights are operational daily from Ireland to United Kingdom as of April 2025. The most popular departure time for this route is 07:00, with 47% of flights per day taking off at midday.
How many flights depart from Ireland to United Kingdom on average per week?
The number of flights available between Ireland and United Kingdom is 847 per week as of April 2025. The most frequent departure day is Thu, with 20% of weekly flights leaving on this day.
Cheap Ireland to United Kingdom flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ireland to United Kingdom
Best price found | £20 |
|---|---|
Fastest flight time | 0h 55m |
Direct flights | Every day |
Airports in United Kingdom | 5 airports |
When did momondo last update prices for flights from Ireland to United Kingdom?
Prices for flights from Ireland to United Kingdom were last updated today.
How many operators does momondo search for flights from Ireland to United Kingdom?
As of April 2025, there are 4 operators available to choose from for flights from Ireland to United Kingdom.
How old do you have to be to fly from Ireland to United Kingdom?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ireland to United Kingdom.
What documentation or ID do you need to fly to United Kingdom?
The travel and health documents you'll need for your trip to United Kingdom may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at United Kingdom. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Ireland to United Kingdom?
Based on momondo bookings for flights between Ireland and United Kingdom, the leading plane model is Boeing 737-800 Passenger/BBJ2 (winglets), making up 20.36% of the total bookings. Other popular models include ATR 72-201 / 202 with 19.90%, Airbus A320-100/200 with 11.78%, and Airbus A321neo with 10.42%.
Best airlines flying from Ireland to United Kingdom
Compare and see reviews for airlines that fly from Ireland to United Kingdom with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £27 | Free Cancellation | Rating 6.1 95 reviews | |||
| PriceFrom £27 | Free Cancellation | Rating 6.8 5,017 reviews | |||
| PriceFrom £40 | Free Cancellation | Rating 7.0 1,059 reviews | |||
| PriceFrom £59 | Free Cancellation | Rating 6.6 6,718 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Ireland to United Kingdom?
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 Ireland to United Kingdom for you.
Can I find flights from Ireland to United Kingdom with flexible booking policies on momondo?
Yes. All flights to United Kingdom from Ireland on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Ireland to United Kingdom?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ireland to United Kingdom.
I’m not ready to book a flight from Ireland to United Kingdom right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Ireland to United Kingdom flights. All you need is a valid email address and we will do the rest; it is that quick and easy.