$27 Cheap Flights from London (LTN) to Dublin (DUB)

Popular airlines from Luton Airport (LTN) to Dublin Airport (DUB)

Find available prices by choosing your travel dates.

Cheap Flights from London to Dublin (LTN-DUB)

Prices were available within the past 7 days and start at $27 for one-way flights and $42 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Ryanair
Ryanair
Ryanair
Ryanair
Ryanair
Ryanair
Ryanair
Ryanair
Ryanair
Ryanair
Flights from London (LTN) to Dublin (DUB)
Origin airport
Luton
Destination airport
Dublin
Airlines serving
Ryanair
Roundtrip price
$42
Distance
267 mi

London to Dublin Flights

The cheapest times to fly from London to Dublin

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from London to Dublin are during the month of June. You can find some of the cheapest flights from London to Dublin with Expedia's search tool and vast selection of airlines.

The best time to book a flight from London to Dublin

Sunday is one of the best days to book for cheap flights from London to Dublin: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from London to Dublin

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from London to Dublin in 2025. You can also book with separate airlines for your outbound and return journeys, from $27 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap London to Dublin flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your London to Dublin airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Luton Airport (LTN) to Dublin Airport (DUB) cost?
Discover the latest flight deals from LTN to DUB by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from LTN to DUB?
The cheapest flights from LTN to DUB are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Luton Airport (LTN) to Dublin Airport (DUB)?
You can’t catch a nonstop flight to Dublin Airport (DUB) from London (LTN-Luton). However, you can seamlessly travel to Dublin without any layovers by departing from Heathrow Airport (LHR).
What is the cheapest airline that flies from LTN to DUB?
With tickets starting at $23 for a one-way journey from LTN to DUB, Ryanair is currently the cheapest carrier for this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from LTN on May 21 2025. Prices were last updated on April 24 2025 and have not changed since.
How many flights per day from Luton Airport (LTN) to Dublin Airport (DUB)?
With, on average, 2 nonstop flights that operate from Luton Airport (LTN) to Dublin Airport (DUB) every day, you’ll be on your way in no time.
What are the most popular departure times for flights from Luton Airport (LTN) to Dublin Airport (DUB)?
Flights between LTN and DUB are busiest at 9 AM. If you want a more relaxed atmosphere and possibly cheaper fares, look for a time outside the usual busy windows.
What day of the week has the most flights from LTN to DUB?
Depart on a Friday if you’re looking for the largest selection of flights from Luton Airport (LTN) to Dublin Airport (DUB).
What is the earliest flight from Luton Airport (LTN) to Dublin Airport (DUB)?
The first flight of the day taking off from Luton Airport (LTN) is at around 5:50AM UTC+0. Hop on this flight and you’ll land at Dublin Airport (DUB) at approximately 7:05AM UTC+0. The entire trip takes 1h 15m.
How long does it take to fly from Luton Airport (LTN) to Dublin Airport (DUB)?
It takes around 1 hour and 15 minutes to cover the 270 mi from LTN to DUB.
What is the best time to fly from Luton Airport (LTN) to Dublin Airport (DUB)?
Opt for a flight from Luton Airport (LTN) to Dublin Airport (DUB) that leaves before 3 PM to reduce the likelihood of delays. Departures after this time are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Dublin from Luton Airport (LTN)?
Browse your flight options from Luton Airport (LTN) to Dublin Airport (DUB). This is the only Dublin airport you can touch down at if you’re taking a direct flight.
Is it cheaper to buy a plane ticket from Luton Airport (LTN) to Dublin Airport (DUB) last-minute?
Last-minute bookings from LTN to DUB are usually more expensive. To lock in the lowest prices, start looking for flights early. That being said, if you can play around with your travel dates, it’s possible to find a cheap ticket just before your departure.
Is it cheaper to book a LTN to DUB flight and hotel package?
Compared with arranging hotels and flights separately, booking a LTN to DUB flight and hotel package with Expedia could lead to significant savings. What’s more, having it all in one place will take the stress out of travel planning. Just pick your flights and select from our extensive range of stays, then customize your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Luton Airport (LTN) to Dublin Airport (DUB)?
In most instances, you’re able to reschedule or cancel your LTN to DUB flight. However, there may be additional fees, especially if you booked over 24 hours ago. Check your itinerary for the airline’s fees and rules on flight changes, or if you need more information, head to our Customer Service portal.
*Available to One Key members.