Cheap Flights from Phoenix (PHX) to Sterling (SQI)

Popular airlines from Phoenix Sky Harbor Intl. Airport (PHX) to Sterling, IL (SQI-Whiteside County)

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Frequently asked questions

How much does a flight from Sky Harbor Intl. Airport (PHX) to Sterling, IL (SQI-Whiteside County) cost?
Grab a cheap one-way flight or cheap return flight from Sky Harbor Intl. Airport (PHX) to Sterling, IL (SQI-Whiteside County) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Sky Harbor Intl. Airport (PHX) to Sterling, IL (SQI-Whiteside County)?
The cheapest month to fly from PHX to SQI is , when demand is low. Off-peak months are usually when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Sky Harbor Intl. Airport (PHX) to Sterling, IL (SQI-Whiteside County)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll take you from PHX to SQI. Then, sort your results by "Price (lowest to highest)" to snag a great deal.
How many flights per day from Sky Harbor Intl. Airport (PHX) to Sterling, IL (SQI-Whiteside County)?
You'll need to take a flight with a layover if you're traveling from Sky Harbor Intl. Airport (PHX) to Sterling, IL (SQI-Whiteside County). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from PHX to SQI?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change depending on a number of factors, such as the season 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 Sky Harbor Intl. Airport (PHX) to Sterling, IL (SQI-Whiteside County)?
Opt for a flight from Sky Harbor Intl. Airport (PHX) to Sterling, IL (SQI-Whiteside County) that takes off before 3 PM to reduce the likelihood of delays. Departures later than this 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 Sky Harbor Intl. Airport (PHX) to Sterling, IL (SQI-Whiteside County) last-minute?
Booking your ticket from PHX to SQI right before your trip is usually more expensive. But if there's some wiggle room with your departure times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book a PHX to SQI flight and hotel package?
Compared with arranging hotels and flights separately, booking a PHX to SQI flight and hotel package with Expedia could result in significant savings. What's more, having everything in one convenient place will take the stress out of planning your trip. Just pick your flights and choose from our wide range of stays, then personalize your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Sky Harbor Intl. Airport (PHX) to Sterling, IL (SQI-Whiteside County)?
In most instances, you're able to cancel or reschedule your PHX to SQI flight. However, additional fees may apply, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you'd like further information, go to our Customer Service portal.

Travel information

Origin airport
Sky Harbor Intl.
Destination airport
Whiteside County
Distance
1345 mi

Book with confidence

Phoenix to Sterling Flights

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

 

The best time to book a flight from Phoenix to Sterling

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

 

Phoenix to Sterling Flights

Explore a world of travel with Expedia

*Available to One Key members.