Cheap Flights from Dublin (DUB) to Lille (LIL)

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Find available prices by choosing your travel dates.

Cheap Flights from Dublin to Lille (DUB-LIL)

Prices were available within the past 7 days and start at for one-way flights and $270 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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Flights from Dublin (DUB) to Lille (XDB)
Origin airport
Dublin
Destination airport
Lille Europe TGV Train Station
Roundtrip price
$270
Distance
439 mi

Dublin to Lille Flights

The cheapest times to fly from Dublin to Lille

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 Dublin to Lille are during the month of May. You can find some of the cheapest flights from Dublin to Lille with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Dublin to Lille

Sunday is one of the best days to book for cheap flights from Dublin to Lille: 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 Dublin to Lille

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 Dublin to Lille in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Dublin to Lille 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 Dublin to Lille 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 Dublin Airport (DUB) to Lesquin Airport (LIL) cost?
Discover the latest flight deals from DUB to LIL 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 DUB to LIL?
The cheapest flights from DUB to LIL are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from DUB to LIL?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from DUB to LIL. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Dublin Airport (DUB) to Lesquin Airport (LIL)?
There aren’t any daily nonstop flights available from Dublin Airport (DUB) to Lesquin Airport (LIL). But you can opt for flights with layovers. Filter your search results on Expedia to include one or more stops, and you’ll be soaring above the clouds in no time at all.
What day of the week has the most flights from DUB to LIL?
Generally you’ll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* But this can change depending on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Dublin Airport (DUB) to Lesquin Airport (LIL)?
To arrive at Lesquin Airport (LIL) on time, book a flight that leaves Dublin Airport (DUB) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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.
Is it cheaper to buy a plane ticket from Dublin Airport (DUB) to Lesquin Airport (LIL) last-minute?
Last-minute fares from DUB to LIL are usually more expensive. For the best rates, start looking for flights ahead of time. That being said, if your travel plans are flexible, it’s possible to score a cheap ticket right before your trip.
Is it cheaper to book a DUB to LIL flight and hotel package?
Compared with arranging flights and hotels separately, booking a DUB to LIL flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one place takes the hassle out of travel planning. Just pick your flights and select from our wide range of hotels, then tailor your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Dublin Airport (DUB) to Lesquin Airport (LIL)?
If you booked your DUB to LIL flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more details.

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*Available to One Key members.