$571 Cheap Flights from San Francisco (SFO) to Lille (LIL)

View $571 flight on Wed, Oct 8, 2025Opens in a new window

Popular airlines from San Francisco Intl. Airport (SFO) to Lille (LIL-Lesquin)

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Cheap Flights from San Francisco to Lille (SFO-LIL)

Prices were available within the past 7 days and start at $571 for one-way flights and $961 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Turkish Airlines
Wed, Oct 15 - Wed, Oct 22
SFO
San Francisco
LIL
Lille
$961 Roundtrip, found 21 hours ago
$961
Roundtrip
found 21 hours ago
Select Turkish Airlines flight, departing Wed, Oct 15 from San Francisco to Lille, returning Wed, Oct 22, priced at $961 found 21 hours ago
Turkish Airlines
Mon, Sep 15 - Mon, Oct 13
SFO
San Francisco
LIL
Lille
$1,000 Roundtrip, found 6 days ago
$1,000
Roundtrip
found 6 days ago
Select Turkish Airlines flight, departing Mon, Sep 15 from San Francisco to Lille, returning Mon, Oct 13, priced at $1,000 found 6 days ago
Turkish Airlines
Mon, Sep 8 - Mon, Sep 15
SFO
San Francisco
LIL
Lille
$1,150 Roundtrip, found 6 days ago
$1,150
Roundtrip
found 6 days ago
Select Turkish Airlines flight, departing Mon, Sep 8 from San Francisco to Lille, returning Mon, Sep 15, priced at $1,150 found 6 days ago

Alternative airports near Lille

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Lesquin LIL. Cheapest and Closest option available. Average driving time to city center is 12 minutes. Flights from $1,000
LIL
Lesquin
CheapestClosest
Average driving time to city center12 min
Flights from $1,000
Flights from San Francisco (SFO) to Lille (LIL)
Origin airport
San Francisco Intl.
Destination airport
Lesquin
Roundtrip price
$960
Distance
5504 mi

San Francisco to Lille Flights

The cheapest times to fly from San Francisco 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 San Francisco to Lille are during the month of October. You can find some of the cheapest flights from San Francisco to Lille with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Francisco to Lille

Sunday is one of the best days to book for cheap flights from San Francisco 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 San Francisco 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 San Francisco to Lille in 2025. You can also book with separate airlines for your outbound and return journeys, from $571 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 San Francisco 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 San Francisco 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 San Francisco Intl. Airport (SFO) to Lesquin Airport (LIL) cost?
Grab a cheap one-way flight from $571 or cheap return flight from $961 from San Francisco Intl. Airport (SFO) to Lesquin Airport (LIL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from San Francisco Intl. Airport (SFO) to Lesquin Airport (LIL)?
The cheapest month to fly from SFO to LIL is October, when demand is low. Off-peak season is generally when airlines offer better prices between these airports.
What is the cheapest airline that flies from San Francisco Intl. Airport (SFO) to Lesquin Airport (LIL)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll fly you from SFO to LIL. Then, sort your results by "Price (lowest to highest)" to pick up a good deal.
How many flights per day from San Francisco Intl. Airport (SFO) to Lesquin Airport (LIL)?
There are no daily nonstop flights available from San Francisco Intl. Airport (SFO) to Lesquin Airport (LIL). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from SFO to LIL?
Generally you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* However, 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 San Francisco Intl. Airport (SFO) to Lesquin Airport (LIL)?
Book a flight from San Francisco Intl. Airport (SFO) to Lesquin Airport (LIL) that leaves before 3 PM to reduce the risk of cancellations and delays. Departures after this hour have a 22% higher chance of being canceled, on average.**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 San Francisco Intl. Airport (SFO) to Lesquin Airport (LIL) last-minute?
Last-minute fares from SFO to LIL are generally more expensive. To secure the cheapest rates, start looking for flights as early as possible. That being said, if you can play around with your travel dates, it's possible to land a cheap fare right before your trip.
Is it cheaper to book a SFO to LIL flight and hotel package?
Compared with arranging flights and hotels separately, booking a SFO to LIL flight and hotel package with Expedia could result in significant savings. Better yet, having it all in one place will take the hassle out of travel planning. Simply secure your flights and choose from our wide range of stays, then customize your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from San Francisco Intl. Airport (SFO) to Lesquin Airport (LIL)?
Generally, it's possible to cancel or reschedule your SFO to LIL flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.