$1,621+ Cheap flights from San Francisco (SFO) 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 7/26. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — LIL
Jun 17 — Jun 241
1 adult, Economy
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1. Tell us where you want to go
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from San Francisco to Lille
Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Lille (LIL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.
Round-trip from | $1,621 (Expedia) |
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Find flight deals from San Francisco to Lille
Cheapest flights from San Francisco to LilleExplore the most affordable flight options available from San Francisco to Lille. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
Explore the most affordable flight options available from San Francisco to Lille. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
This Expedia deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/266:45 pmSFO - LIL
2 stops34h 05mMultiple Airlines
Sat 8/22:50 pmLIL - SFO
2 stops28h 45mMultiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$1,621
Cheapflights Fare Finder
Customize your flight search to find flights from San Francisco to Lille that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from San Francisco to Lille that are best for you.
Fly from
San Francisco
Fly to
Lille
Route
Depart
Return
Price
San FranciscoLille
SFO - LIL
SFOLIL
San Francisco
Sat 7/26
6:45 pm-1:50 pm
2 stops34h 05m
Lille Lesquin
Sat 8/2
2:50 pm-10:35 am
2 stops28h 45m
$1,621
Best time to book a flight from San Francisco to Lille
Have a flexible travel schedule? Discover the best time to fly to Lille from San Francisco with our price prediction graph.
Estimated round-trip 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.
Cheapflights Insights
Everything you need to know about your flight from San Francisco to Lille
Rainfall in Lille by month
Plan your trip to Lille by taking into account the average rainfall totals by month.
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.
Temperature in Lille by month
Plan your trip to Lille by taking into account the average temperature totals by month.
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).