Cheap Flights from San Francisco (SFO) to Liege (LGG)

Popular airlines from San Francisco Intl. Airport (SFO) to Liege (LGG)

Frequently asked questions

How much does a flight from San Francisco Intl. Airport (SFO) to Liege Airport (LGG) cost?
Secure a cheap one-way flight or cheap return flight from San Francisco Intl. Airport (SFO) to Liege Airport (LGG) 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 Liege Airport (LGG)?
Planning your getaway for can help you save, as it's the cheapest month for flights between SFO and LGG. You'll typically find the lowest prices during the off-season.
What is the cheapest airline that flies from San Francisco Intl. Airport (SFO) to Liege Airport (LGG)?
To find the cheapest airline that'll fly you from SFO to LGG, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from San Francisco Intl. Airport (SFO) to Liege Airport (LGG)?
There aren't any daily nonstop flights available from San Francisco Intl. Airport (SFO) to Liege Airport (LGG). But you can book flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be on your way in no time at all.
What day of the week has the most flights from SFO to LGG?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary depending on a number of factors, including the time of year and airline.*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 Liege Airport (LGG)?
To avoid possible delays on the San Francisco Intl. Airport (SFO) to Liege Airport (LGG) route, fly before 3 PM. Departures after this hour have a 22% higher chance of being 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 Francisco Intl. Airport (SFO) to Liege Airport (LGG) last-minute?
Holding off until just before your trip to book a flight from SFO to LGG often results in higher prices. While it's possible to find some last-minute offers, they're not always guaranteed. Keep your travel plans flexible to boost your chances of scoring a bargain.
Is it cheaper to book a SFO to LGG flight and hotel package?
Opting for a SFO to LGG flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Select from our wide range of accommodations and then add car rentals, flights and activities 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 Francisco Intl. Airport (SFO) to Liege Airport (LGG)?
If you reserved your SFO to LGG flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for further details.

Travel information

Travel information

Origin airport
San Francisco Intl.
Destination airport
Liege
Distance
5566 mi

Book with confidence

Book with confidence

San Francisco to Liege Flights

The cheapest times to fly from San Francisco to Liege

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

 

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

Sunday is one of the best days to book for cheap flights from San Francisco to Liege: 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 Liege

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 Liege 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 Francisco to Liege 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 Liege 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 Francisco to Liege Flights

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*Available to One Key members.