£12 Cheap flights to Dublin
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Dublin departing on 31/7. 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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What is the cheapest month to fly to Dublin?
In general, September is the cheapest month to fly from United Kingdom to Dublin. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £48. If you aren’t able to travel to Dublin during the month of September, then flying in January is also cheap. Prices for this month can be found on momondo for an average of £49.
What is the absolute cheapest flight to Dublin?
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What is the cheapest day to depart on your flight to Dublin?
On average, the least expensive day to fly to Dublin from United Kingdom is on a Saturday. momondo users have found tickets for Saturday departures for as low as £94. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around £127. These prices are subject to change though, so be sure to set up a Price Alert for flights to Dublin.
What is the cheapest time of day to depart on your flight to Dublin?
Flying to Dublin from United Kingdom in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as £93 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £119 on average. Flights to Dublin from United Kingdom in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.
Cheapest flights to Dublin
Find the cheapest flights to Dublin from your nearest city or airport
| CHEAPEST MONTH TO FLY TO DUBLIN FROM LONDON HEATHROW AIRPORT | January | 15% cheaper | Flying from London Heathrow Airport to Dublin costs on average just £102 in January |
| MOST EXPENSIVE MONTH TO FLY TO DUBLIN FROM LONDON HEATHROW AIRPORT | June | 30% more expensive | It costs about £154 for flights to Dublin from London Heathrow Airport in June |
| MOST POPULAR MONTH TO FLY TO DUBLIN FROM LONDON HEATHROW AIRPORT | August | 191% more users visited | More momondo users searched in flights to Dublin from London Heathrow Airport in August than any other month |
Cheap Dublin flight deals and tips
Summary info about Dublin flight prices, duration and airlines
Best One-Way Price | £12 |
|---|---|
Best Round-Trip Price | £29 |
Fastest flight time | 0h 55m |
Popular in | December |
Frequently asked questions about flying to Dublin
How far in advance should I book a flight to Dublin?
You are more likely to see cheaper flights to Dublin from United Kingdom when booking 30 days ahead of your departure date. In general, you can expect to find flights to Dublin for around £64 when searching 30 days out. In the past 72 hours, momondo users found flights from United Kingdom to Dublin for as low as £43.
Is there an alternative airport near Dublin?
Those flying to Dublin could potentially find better pricing at Waterford Airport (87 mi from Dublin city centre) depending on the month and departure airport.
When did momondo last update prices for flights to Dublin Airport?
Prices for flights to Dublin Airport were last updated today.
How many operators does momondo search for flights to Dublin Airport?
As of July 2025, there are 22 operators available to choose from for flights to Dublin Airport.
How old do you have to be to fly to Dublin Airport?
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 to Dublin Airport.
What documentation or ID do you need to fly to Dublin Airport?
The necessary travel and health documents for your Dublin Airport 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 license 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.
Travelling to a place near Dublin?
Book flights to Dublin if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal to Dublin?
Finding the right flight to Dublin is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. These options can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Dublin quick and easy, saving you time and money.
Can I find flights to Dublin with flexible booking policies on momondo?
momondo does allow users to show only those flights to Dublin which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights to Dublin?
momondo provides multiple filters to help you find the best flight to Dublin. Filter by price, airline, airport, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight to Dublin right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Dublin. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.