Cheap flights from London to Dublin from $43
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 9/7. 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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Ryanair flights from London to Dublin
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Vueling 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 cheapest month to fly to Dublin?
The month of September is, on average, the cheapest month to fly to Dublin from London, with most prices found around $100. If you are unable to visit Dublin during the month of September, then departing from London during the month January is also very affordable. Most momondo users find prices during this month for around $103.
What is the cheapest day to depart on your flight to Dublin?
The cheapest day to depart from London to Dublin is on a Saturday. Travellers who choose to depart for Dublin on a Saturday will often find tickets for as low as $135. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from London to Dublin for around $200.
What is the cheapest time of day to depart on your flight to Dublin?
In the morning is the cheapest time of day to fly from London to Dublin when you can find flight prices for as low as $152. Flying to Dublin in the morning is an ideal time because this is during off-peak travel hours. Flights to Dublin are more costly at midday, with an average ticket price of $202. Departure times at midday fall within the peak daily travel times, which is why tickets can be more expensive.
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 21 weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around $247 when searching 21 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 $184 on momondo.
What cabin class options are available on London to Dublin flights?
There are 3 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.
What is the cheapest airline that flies from London to Dublin?
Ryanair, British Airways, and Vueling are the most popular carriers operating from London to Dublin
Which airlines fly to Dublin?
Ryanair, British Airways and Aer Lingus are the top three most popular airlines that fly to Dublin from London according to our data. Ryanair is the first choice among our users, with 45% of people opting to fly with this airline when travelling to Dublin. Keep in mind that there are 3 different airlines that fly to Dublin on a routine basis, so you have a few additional options to choose from.
How many flights depart from London to Dublin on average per day?
The number of flights available between London and Dublin is 54 per day as of June 2025. The most frequent departure time is 08:00, with 41% of daily flights leaving in the afternoon.
How many flights depart from London to Dublin on average per week?
As of June 2025, 379 flights take off from London and land in Dublin each week. The most common flight departure day for this route is Wed, with 20% of weekly flights taking off 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?
The distance between London and Dublin is about 463.4 km. A reasonable flight in good conditions will take 1h 20m.
When did momondo last update prices for flights from London to Dublin Airport?
Prices for flights from London to Dublin Airport were last updated today.
How many operators does momondo search for flights from London to Dublin Airport?
As of June 2025, there are 3 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 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 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?
momondo data reveals that the most frequently booked plane model on the route from London to Dublin is Boeing 737-800 Passenger/BBJ2 (winglets), representing 20.74% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 15.16%, Airbus A320neo at 10.52%, and Boeing 787-9 Dreamliner at 6.13%.
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 Ryanair, representing 67% of all bookings. The subsequent popular airlines are British Airways at 26% and Aer Lingus at 7%.
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 $60 | Free cancellation | Rating 6.8 5,121 reviews | |||
| PriceFrom $110 | Free cancellation | Rating 6.6 7,008 reviews | |||
| PriceFrom $200 | Free cancellation | Rating 7.1 1,117 reviews |
Aer Lingus Flights From London to Dublin
The lowest priced Aer Lingus flight from London to Dublin from the last 72 hours was $130. Generally, Aer Lingus has 122 flights on this route every week with an average price of $159. Aer Lingus is rated 7.1/10 by our users.
Ryanair Flights From London to Dublin
$39 is the best Ryanair flight deal from London to Dublin found on momondo over the last 72 hours. The average Ryanair ticket price found was closer to $81, however, with flight time and availability significantly affecting the price. Ryanair (6.8/10 from 5,121 user reviews) flies into Dublin from London 57 times in an average week so prices can vary.
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?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Dublin from London.
Can I find flights from London to Dublin with flexible booking policies on momondo?
All flight searches from London to Dublin on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from London to Dublin?
Once you have performed a search for London to Dublin flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from London to Dublin right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Dublin, momondo offers a useful price alert feature which will track prices for flights to Dublin from London and alert you when they change.