Cheap Flights from San Diego (SAN) to Sterling (SQI)

Popular airlines from San Diego Intl. Airport (SAN) to Sterling, IL (SQI-Whiteside County)

Frequently asked questions

How much does a flight from San Diego Intl. Airport (SAN) to Sterling, IL (SQI-Whiteside County) cost?
Snag a cheap one-way flight or cheap return flight from San Diego Intl. Airport (SAN) to Sterling, IL (SQI-Whiteside County) 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 Diego Intl. Airport (SAN) to Sterling, IL (SQI-Whiteside County)?
The cheapest month to fly from SAN to SQI is , when demand is low. Off-peak months are often when airlines offer lower prices between these airports.
What is the cheapest airline that flies from San Diego Intl. Airport (SAN) to Sterling, IL (SQI-Whiteside County)?
To find the cheapest airline that'll fly you from SAN to SQI, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from San Diego Intl. Airport (SAN) to Sterling, IL (SQI-Whiteside County)?
Direct flights from San Diego Intl. Airport (SAN) to Sterling, IL (SQI-Whiteside County) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SAN to SQI?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*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 Sterling, IL (SQI-Whiteside County)?
To avoid potential delays on the San Diego Intl. Airport (SAN) to Sterling, IL (SQI-Whiteside County) route, travel before 3 PM. Departures after this time 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 Diego Intl. Airport (SAN) to Sterling, IL (SQI-Whiteside County) last-minute?
Booking your plane ticket from SAN to SQI shortly before your journey is usually more expensive. However, if you're flexible with your departure times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book a SAN to SQI flight and hotel package?
Compared with arranging flights and hotels separately, booking a SAN to SQI flight and hotel package with Expedia could lead to significant savings. Better yet, having it all in one place takes the hassle out of planning your trip. Just pick your flights and select from our extensive range of hotels, then customize your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from San Diego Intl. Airport (SAN) to Sterling, IL (SQI-Whiteside County)?
If you reserved your SAN to SQI flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for further details.

Travel information

Origin airport
San Diego Intl.
Destination airport
Whiteside County
Distance
1627 mi

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San Diego to Sterling Flights

The cheapest times to fly from San Diego to Sterling

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

 

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

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

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 Sterling 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 Sterling 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 Sterling 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 Sterling Flights

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*Available to One Key members.