In terms of precipitation, rainfall in Lille ranges from 40.0 - 60.0 inches per month. July is typically the wettest month, when rainfall can reach 60.0 mm. January is typically the driest time to visit Lille when rainfall is around 40.0 mm.

If weather is an important factor for your trip to Lille, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

What is the cheapest time of day to fly from NIR to LIL?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Northern Ireland to Lille as you normally would.

What airport do you fly into for flights to Lille from Northern Ireland?

Located just 4.9 mi from the city center, Lille Lesquin (LIL) is the airport most travelers will use when flying to Lille from Northern Ireland.

Can I find deals for flights from Northern Ireland to Lille that include hotel bookings?

Yes. In addition to deals on Northern Ireland to Lille flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Northern Ireland to Lille?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Northern Ireland to Lille.

Can I find deals for business class flights from Northern Ireland to Lille?

Yes. Cheapflights offers flight deals from Northern Ireland to Lille by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£235+ Cheap Flights from Northern Ireland to Lille

Cheap flight deals from Northern Ireland to Lille

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Cheapest flights from Northern Ireland to Lille
Explore the most affordable flight options available from Northern Ireland to Lille. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 September 2026.

Fri 16/1016:10 -

1 stop22h 20m

Fri 23/1016:10 -

2 stops16h 50m

Deal found 1/9£235

Find flight deals from Northern Ireland to Lille

Round-trip from	£235

Ryanair
16/10-23/10
3 total stops
39h 10m total
Northern Ireland to Lille

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Route

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Return

Price

Cheapest return flight

BelfastLille

BFS Belfast Intl - LIL Lille Lesquin

BFSLIL

Belfast Intl

Fri 16/10

16:10-15:30

1 stop22h 20m

Lille Lesquin

Fri 23/10

16:10-08:00

2 stops16h 50m

£235

BelfastLille

BFS Belfast Intl - LIL Lille Lesquin

BFSLIL

Belfast Intl

Fri 15/1

19:20-23:55

2 stops27h 35m

Lille Lesquin

Mon 18/1

19:55-20:10

2 stops25h 15m

£264

Fastest return journey

BelfastLille

BHD Belfast City - LIL Lille Lesquin

BHDLIL

Belfast City

Fri 15/1

07:35-17:50

2 stops9h 15m

Lille Lesquin

Mon 18/1

06:45-09:10

2 stops27h 25m

£332

Flights are sorted by cheapest return flights first.

Deals found on 1/9

Sorted by cheapest first

Best time to book a flight from Northern Ireland to Lille

Have a flexible travel schedule? Discover the best time to fly to Lille from Northern Ireland with our price prediction graph.

BFS-LIL

BHD-LIL

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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Everything you need to know about your flight from Northern Ireland to Lille

GBNIR-LIL

BFS-LIL

BHD-LIL

No data available for this route at this time. Please check back soon.

Related info for your journey

What airport do you fly into for flights to Lille from Northern Ireland?
Located just 4.9 mi from the city center, Lille Lesquin (LIL) is the airport most travelers will use when flying to Lille from Northern Ireland.
Can I find deals for flights from Northern Ireland to Lille that include hotel bookings?
Yes. In addition to deals on Northern Ireland to Lille flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Northern Ireland to Lille?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Northern Ireland to Lille.
Can I find deals for business class flights from Northern Ireland to Lille?
Yes. Cheapflights offers flight deals from Northern Ireland to Lille by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Northern Ireland to Lille. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Northern Ireland to Lille?

Cheapflights helps you find that perfect flight to Lille from Northern Ireland by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Northern Ireland to Lille with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Northern Ireland to Lille flexibly with Cheapflights today.

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Cheap flights from Northern Ireland to Lille from £235

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Northern Ireland to Lille

Cheapest flights from Northern Ireland to LilleExplore the most affordable flight options available from Northern Ireland to Lille. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 September 2026.

Explore the most affordable flight options available from Northern Ireland to Lille. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 September 2026.

Best flights from Northern Ireland to LilleDiscover carefully curated flight deals from Northern Ireland to Lille that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 4 September 2026.

Discover carefully curated flight deals from Northern Ireland to Lille that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 4 September 2026.

Last-minute flights from Northern Ireland to LilleDiscover last-minute flight deals from Northern Ireland to Lille. Data last updated 4 September 2026 and is based on user searches.

Discover last-minute flight deals from Northern Ireland to Lille. Data last updated 4 September 2026 and is based on user searches.

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Use the filters below to find and compare flights from Northern Ireland to Lille that are best for you.

Best time to book a flight from Northern Ireland to Lille

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Related info for your journey

What airport do you fly into for flights to Lille from Northern Ireland?

Can I find deals for flights from Northern Ireland to Lille that include hotel bookings?

How can I find direct flights from Northern Ireland to Lille?

Can I find deals for business class flights from Northern Ireland to Lille?

Travelling to a place near Lille?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Northern Ireland to Lille

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Lille by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Hauts-de-France

Book a non-stop flight to one of these other cities located in Hauts-de-France.

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Find flights from Northern Ireland to Lille, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Northern Ireland and Lille flights

Browse other Northern Ireland and Lille flight options. Last updated on 4 September 2026.

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How does Cheapflights help users find flights from Northern Ireland to Lille?

Why should you use Cheapflights to find cheap flight tickets from Northern Ireland to Lille?

Can Cheapflights find flights from Northern Ireland to Lille with no change fees?

Can Cheapflights notify me if prices for flights from Northern Ireland to Lille become cheaper?

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Travel Smart

Cheapest flights from Northern Ireland to Lille
Explore the most affordable flight options available from Northern Ireland to Lille. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 September 2026.

Best flights from Northern Ireland to Lille
Discover carefully curated flight deals from Northern Ireland to Lille that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 4 September 2026.

Last-minute flights from Northern Ireland to Lille
Discover last-minute flight deals from Northern Ireland to Lille. Data last updated 4 September 2026 and is based on user searches.