Cheap flights from London to Dublin from £15
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 26/8. 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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British Airways flights from London to Dublin
Our best British Airways deals on London to Dublin flight tickets
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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?
In general, September is the cheapest month to fly from London 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 cheapest day to depart on your flight to Dublin?
On average, the least expensive day to fly to Dublin from London is on a Saturday. momondo users have found tickets for Saturday departures for as low as £95. 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 £129. 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 London in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as £92 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 £121 on average. Flights to Dublin from London in the morning 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 Gatwick 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 £118 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 £88 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 and British Airways 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 67% 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?
As of June 2025, there are 60 flights per day flying from London to Dublin. The most common time of day flights depart is 08:00, with 41% of flights taking off in the afternoon.
How many flights depart from London to Dublin on average per week?
As of June 2025, there are 426 flights per week flying from London to Dublin. The most common day of the week flights depart is Thu, with 25% of 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?
London and Dublin are 287.9 mi apart from one another. Typically, this will take 1h 10m by plane in normal conditions.
When did momondo last update prices for flights from London to Dublin Airport?
Prices for flights from London to Dublin Airport are refreshed on a daily basis.
How many operators does momondo search for flights from London to Dublin Airport?
The number of operators available for flights from London to Dublin Airport is 3 as of June 2025.
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 layovers. 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 required for your trip to Dublin Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Dublin Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from London to Dublin?
Based on momondo bookings for flights between London and Dublin, the leading plane model is Boeing 737-800 Passenger/BBJ2 (winglets), making up 20.74% of the total bookings. Other popular models include Boeing 737 MAX 8 with 15.16%, Airbus A320neo with 10.52%, and Boeing 787-9 Dreamliner with 6.13%.
What is the most popular airline from London to Dublin?
Based on momondo bookings for this flight route, the most popular airline on flight routes from London to Dublin is Ryanair (76% of total bookings). The next most popular airlines are British Airways (16%), Aer Lingus (8%), and Ryanair (0%).
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 £26 | Free Cancellation | Rating 6.8 5,121 reviews | |||
| PriceFrom £44 | Free Cancellation | Rating 6.6 7,011 reviews | |||
| PriceFrom £95 | Free Cancellation | Rating 7.1 1,118 reviews |
Aer Lingus Flights From London to Dublin
Aer Lingus flight deals from London to Dublin start from £129 round-trip. Over the 113 Aer Lingus flights for this route in a normal week, average airfare is usually £197 round-trip - but some users have found much cheaper deals with momondo.
Ryanair Flights From London to Dublin
Across 5,121 Ryanair reviews on momondo, the average score is 6.8/10. Ryanair flies from London to Dublin about 37 times each week, with ticket deals ranging from £35 to £76. Price data is based on momondo searches in the last 72 hours.
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?
Finding the right flight to Dublin from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that 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 from London to Dublin with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Dublin from London with this policy.
How can momondo help me find flights from London to Dublin?
Once all potential London to Dublin flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from London to Dublin right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Dublin from London. 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.