Cheap Flights from San Diego (SAN) to Lille (LIL)

Popular airlines from San Diego Intl. Airport (SAN) to Lille (LIL-Lesquin)

Frequently asked questions

How much does a flight from San Diego Intl. Airport (SAN) to Lesquin Airport (LIL) cost?
Snag a cheap one-way flight or cheap return flight from San Diego Intl. Airport (SAN) to Lesquin Airport (LIL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from San Diego Intl. Airport (SAN) to Lesquin Airport (LIL)?
The cheapest month to fly from SAN to LIL is , when demand is low. Off-peak months are typically when airlines offer lower prices between these airports.
What is the cheapest airline that flies from San Diego Intl. Airport (SAN) to Lesquin Airport (LIL)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll take you from SAN to LIL. Then, sort your results by "Price (lowest to highest)" to pick up the best deal available.
How many flights per day from San Diego Intl. Airport (SAN) to Lesquin Airport (LIL)?
There are no daily nonstop flights available from San Diego Intl. Airport (SAN) to Lesquin Airport (LIL). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way before you know it.
What day of the week has the most flights from SAN to LIL?
Generally you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can change based on the airline, time of year 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 Diego Intl. Airport (SAN) to Lesquin Airport (LIL)?
Select a flight from San Diego Intl. Airport (SAN) to Lesquin Airport (LIL) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Departures after this time are on average 22% more likely to be canceled.**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 Diego Intl. Airport (SAN) to Lesquin Airport (LIL) last-minute?
Last-minute fares from SAN to LIL are usually more expensive. To lock in the best rates, start searching for flights as soon as possible. That being said, if your travel plans are flexible, you may score a cheap ticket right before your journey.
Is it cheaper to book a SAN to LIL flight and hotel package?
Booking a SAN to LIL flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Choose from our wide range of accommodations and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from San Diego Intl. Airport (SAN) to Lesquin Airport (LIL)?
It's generally possible to cancel or reschedule your SAN to LIL flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check 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.

Travel information

Travel information

Origin airport
San Diego Intl.
Destination airport
Lesquin
Distance
5629 mi

Book with confidence

Book with confidence

San Diego to Lille Flights

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

 

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

Sunday is one of the best days to book for cheap flights from San Diego 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 Diego 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 Diego 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 San Diego 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 Diego 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.

 

San Diego to Lille Flights

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*Available to One Key members.