Cheap flights from London to Dublin from €18
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 Dublin departing on 20/4. 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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Aer Lingus flights from London to Dublin
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How to get the cheapest flight ticket from London to Dublin
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 typical price of a round-trip flight between London and Dublin?
What is the cheapest month to fly to Dublin?
If you aren’t able to travel during the month of January, then book flights to Dublin from London during September instead. Flights to Dublin in September, while not as cheap as those in January, still average around €60.
What is the cheapest day to depart on your flight to Dublin?
Our data shows that Wednesday is the least expensive day to fly to Dublin. Tickets to fly out on this day can be as low as €124. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around €290. 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?
Our data shows that the cheapest London to Dublin flights are usually those with departure times in the afternoon. Our users have found flights to Dublin in the afternoon for as low as €148. If you have a flexible travel schedule, then try to avoid flying at midday when prices are €295 on average. Flights to Dublin from London at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.
What is the cheapest London to Dublin flight route?
Fly from London Stansted to Dublin for the best London - Dublin flight prices
How far in advance should I book a flight to Dublin?
You are more likely to see cheaper flights to Dublin from London when booking 26 weeks ahead of your departure date. In general, you can expect to find flights to Dublin 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 Dublin from London for as low as €99 on momondo.
What cabin class options are available on London to Dublin flights?
There are 2 cabin classes available to choose from on London to Dublin 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 Dublin on average per day?
62 flights are operational daily from London to Dublin as of April 2025. The most popular departure time for this route is 08:00, with 41% of flights per day taking off in the afternoon.
How many flights depart from London to Dublin on average per week?
The number of flights available between London and Dublin is 440 per week as of April 2025. The most frequent departure day is Tue, with 23% of weekly flights leaving on this day.
When to book flights from London to Dublin
Cheap London to Dublin (LON to DUB) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London to Dublin
How far is London to Dublin by plane?
A flight from London to Dublin will travel around 463.4 km. A reasonable flight in good conditions will take 1h 10m.
When did momondo last update prices for flights from London to Dublin Airport?
Prices for flights from London to Dublin Airport are updated daily.
How many operators does momondo search for flights from London to Dublin Airport?
As of April 2025, there are 2 operators available to choose from for flights from London to Dublin Airport.
How old do you have to be to fly from London to Dublin Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from London to Dublin Airport.
What documentation or ID do you need to fly to Dublin Airport?
The travel and health documents you'll need for your trip to Dublin Airport 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 licence and a passport that is valid for six months after your intended arrival at Dublin Airport. 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 London to Dublin?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from London to Dublin is Boeing 737-800 Passenger/BBJ2 (winglets) (22.41% of total bookings). The next most popular plane models are Boeing 737 MAX 8 (12.26%), Airbus A320neo (10.54%), and Airbus A321neo (6.73%).
What is the most popular airline from London to Dublin?
momondo data reveals that the most frequently booked airline on the route from London to Dublin is British Airways, representing 68% of all bookings. The subsequent popular airline is Aer Lingus at 32%.
Best airlines flying from London to Dublin
Compare and see reviews for airlines that fly from London to Dublin with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom €57 | Free Cancellation | Rating 6.6 6,756 reviews | |||
| PriceFrom €139 | Free Cancellation | Rating 7.0 1,063 reviews |
Aer Lingus Flights From London to Dublin
Aer Lingus flies from London to Dublin around 122 times per week, with 1,063 momondo users rating the airline 7.0/10. The cheapest Aer Lingus deal from London to Dublin in the last 72 hours was €159 (round-trip), much lower than the average airfare cost of €186 for Aer Lingus flights on this route.
British Airways Flights From London to Dublin
The best British Airways deal for London to Dublin flight tickets found on momondo in the last 72 hours was €65, round-trip. It should be noted that an average British Airways flight deal for this route in this time was higher, at €169 round-trip. British Airways operates 117 flights out of London into Dublin in an average week, so prices vary by time and availability. 6,756 British Airways reviews by users on momondo have scored the airline at 6.6/10.
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 from London to Dublin?
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 Dublin for you.
Can I find flights from London to Dublin with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for London to Dublin flights to just show those with flexible booking policies.
How can momondo help me find flights from London to Dublin?
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 Dublin from London.
I’m not ready to book a flight from London to Dublin right now. Can momondo alert me if prices change?
Price alerts on flights to Dublin from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.