In terms of precipitation, rainfall in Lille ranges from 1.6 - 2.4 inches per month. July is typically the wettest month, when rainfall can reach 2.4 in. January is typically the driest time to visit Lille when rainfall is around 1.6 in.

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 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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

When flying from Washington, D.C. to Lille, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly into for flights to Lille from Washington, D.C.?

Lille Lesquin (LIL), located 4.9 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. to Lille. 0 airlines have flights to Lesquin from Washington, D.C. on a regular basis. Booking flights from Washington, D.C. to Lille Lesquin should not be difficult; the airport handles an average of 0 inbound flights from Washington, D.C. per day.

Can I find deals for flights from Washington, D.C. to Lille that include hotel bookings?

Yes. In addition to deals on Washington, D.C. to Lille flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Washington, D.C. to Lille?

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

Can I find deals for business class flights from Washington, D.C. to Lille?

Yes. Cheapflights offers flight deals from Washington, D.C. 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.

$784+ Cheap Flights from Washington, D.C. to Lille

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Cheap flight deals from Washington, D.C. to Lille

Round-trip from	$784 (Mytrip)

From Washington, D.C. (WAS) to Lille Lesquin

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Cheapest flights from Washington, D.C. to Lille
Explore the most affordable flight options available from Washington, D.C. to Lille. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 1, 2025.

Thu 10/161:30 pmIAD - LIL

2 stops29h 30mMultiple Airlines

Thu 10/232:00 pmLIL - IAD

3 stops31h 20mMultiple Airlines

Deal found 8/31

$784

Tue 10/141:30 pmIAD - LIL

3 stops27h 10mMultiple Airlines

Tue 10/219:10 amLIL - IAD

2 stops32h 35mMultiple Airlines

Deal found 8/30

$1,053

Best flights from Washington, D.C. to Lille
Discover carefully curated flight deals from Washington, D.C. to Lille that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 1, 2025.

Thu 10/161:30 pmIAD - LIL

2 stops29h 30mMultiple Airlines

Thu 10/232:00 pmLIL - IAD

3 stops31h 20mMultiple Airlines

Deal found 8/31

$784

Tue 10/141:30 pmIAD - LIL

3 stops27h 10mMultiple Airlines

Tue 10/219:10 amLIL - IAD

2 stops32h 35mMultiple Airlines

Deal found 8/30

$1,053

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Lille that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Lille

IAD - LIL

IADLIL

Washington, D.C. Dulles Intl

Thu 10/16

1:30 pm-1:00 am

2 stops29h 30m

Lille Lesquin

Thu 10/23

2:00 pm-3:20 pm

3 stops31h 20m

$784

Washington, D.C.Lille

IAD - LIL

IADLIL

Washington, D.C. Dulles Intl

Tue 10/14

1:30 pm-10:40 pm

3 stops27h 10m

Lille Lesquin

Tue 10/21

9:10 am-11:45 am

2 stops32h 35m

$1,053

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/31

Best time to book a flight from Washington, D.C. to Lille

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Estimated round-trip price

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Related info for your journey

What airport do you fly into for flights to Lille from Washington, D.C.?
Lille Lesquin (LIL), located 4.9 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. to Lille. 0 airlines have flights to Lesquin from Washington, D.C. on a regular basis. Booking flights from Washington, D.C. to Lille Lesquin should not be difficult; the airport handles an average of 0 inbound flights from Washington, D.C. per day.
Can I find deals for flights from Washington, D.C. to Lille that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to Lille flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. to Lille?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Lille.
Can I find deals for business class flights from Washington, D.C. to Lille?
Yes. Cheapflights offers flight deals from Washington, D.C. 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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$784+ Cheap flights from Washington, D.C. (WAS) to Lille (LIL)

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

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Cheap flight deals from Washington, D.C. to Lille

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Cheapest flights from Washington, D.C. to LilleExplore the most affordable flight options available from Washington, D.C. to Lille. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 1, 2025.

Explore the most affordable flight options available from Washington, D.C. to Lille. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 1, 2025.

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Use the filters below to find and compare flights from Washington, D.C. to Lille that are best for you.

Best time to book a flight from Washington, D.C. to Lille

Have a flexible travel schedule? Discover the best time to fly to Lille from Washington, D.C. with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Lille

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Lille. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Lille from Washington, D.C.?

Can I find deals for flights from Washington, D.C. to Lille that include hotel bookings?

How can I find direct flights from Washington, D.C. to Lille?

Can I find deals for business class flights from Washington, D.C. to Lille?

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Cheapest flights from Washington, D.C. to Lille
Explore the most affordable flight options available from Washington, D.C. to Lille. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 1, 2025.