Cheap Flights from San Francisco (SFO) to Waukegan (UGN)

Popular airlines from San Francisco Intl. Airport (SFO) to Waukegan, IL (UGN-Waukegan Regional)

Frequently asked questions

How much does a flight from San Francisco Intl. Airport (SFO) to Waukegan Regional Airport (UGN) cost?
Grab a cheap one-way flight or cheap return flight from San Francisco Intl. Airport (SFO) to Waukegan Regional Airport (UGN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from San Francisco Intl. Airport (SFO) to Waukegan Regional Airport (UGN)?
The cheapest month to fly from SFO to UGN is , when demand is low. Off-peak months are usually when better flight deals are available between these airports.
What is the cheapest airline that flies from San Francisco Intl. Airport (SFO) to Waukegan Regional Airport (UGN)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll take you from SFO to UGN. 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 Waukegan Regional Airport (UGN)?
Nonstop flights from San Francisco Intl. Airport (SFO) to Waukegan Regional Airport (UGN) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SFO to UGN?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can vary depending on a number of factors, such as 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 Waukegan Regional Airport (UGN)?
To avoid potential delays on the San Francisco Intl. Airport (SFO) to Waukegan Regional Airport (UGN) route, travel before 3 PM. Departures after this hour have a 22% higher chance of cancellation.**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.
What airports do you fly into for Chicago from San Francisco Intl. Airport (SFO)?
If you're catching a direct flight from San Francisco Intl. Airport (SFO) to Chicago, you'll land at either O'Hare Intl. Airport (ORD) or Midway Intl. Airport (MDW).
Is it cheaper to buy a plane ticket from San Francisco Intl. Airport (SFO) to Waukegan Regional Airport (UGN) last-minute?
Booking your ticket from SFO to UGN just before your getaway is typically more expensive. However, if there's some wiggle room with your departure dates and times, you could snag a cheap last-minute fare.
Is it cheaper to book a SFO to UGN flight and hotel package?
Compared with arranging hotels and flights separately, booking a SFO to UGN flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one place takes the hassle out of planning your trip. Just pick your flights and choose from our wide range of stays, then tailor your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from San Francisco Intl. Airport (SFO) to Waukegan Regional Airport (UGN)?
It's usually possible to cancel or reschedule your SFO to UGN 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 if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Travel information

Origin airport
San Francisco Intl.
Destination airport
Waukegan Regional
Distance
1843 mi

Book with confidence

Book with confidence

San Francisco to Waukegan Flights

The cheapest times to fly from San Francisco to Waukegan

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

 

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

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

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 Waukegan 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 Waukegan 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 Waukegan 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 Waukegan Flights

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Explore a world of travel with Expedia

*Available to One Key members.