$251 Cheap Flights from Flagstaff (FLG) to Santa Rosa (STS)

View $251 flight on Sun, May 31, 2026Opens in a new window

Popular airlines from Flagstaff Pulliam Field (FLG) to Santa Rosa, CA (STS-Sonoma 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

Cheap Flights from Flagstaff to Santa Rosa (FLG-STS)

Prices were available within the past 7 days and start at $251 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Flagstaff (FLG) to Santa Rosa (STS)
Origin airport
Flagstaff Pulliam Field
Destination airport
Sonoma County
Distance
657 mi

Flagstaff to Santa Rosa Flights

The cheapest times to fly from Flagstaff to Santa Rosa

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

 

The best time to book a flight from Flagstaff to Santa Rosa

Sunday is one of the best days to book for cheap flights from Flagstaff to Santa Rosa: 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 Flagstaff to Santa Rosa

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 Flagstaff to Santa Rosa in 2026. You can also book with separate airlines for your outbound and return journeys, from $251 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 Flagstaff to Santa Rosa 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 Flagstaff to Santa Rosa 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.

 

Frequently asked questions

How much does a flight from Flagstaff Pulliam Field Airport (FLG) to Sonoma County Airport (STS) cost?
Get a cheap one-way flight from $251 or cheap return flight from Flagstaff Pulliam Field Airport (FLG) to Sonoma County Airport (STS) 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 Flagstaff Pulliam Field Airport (FLG) to Sonoma County Airport (STS)?
The cheapest month to fly from FLG to STS is , when there's less demand. Off-peak months are usually when better flight deals are available between these airports.
What is the cheapest airline that flies from Flagstaff Pulliam Field Airport (FLG) to Sonoma County Airport (STS)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll fly you from FLG to STS. Then, sort your results by "Price (lowest to highest)" to snag a good deal.
How many flights per day from Flagstaff Pulliam Field Airport (FLG) to Sonoma County Airport (STS)?
There are no daily nonstop flights from Flagstaff Pulliam Field Airport (FLG) to Sonoma County Airport (STS). But you can opt for flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from FLG to STS?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary 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 Flagstaff Pulliam Field Airport (FLG) to Sonoma County Airport (STS)?
To land at Sonoma County Airport (STS) on time, select a flight that leaves Flagstaff Pulliam Field Airport (FLG) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 Flagstaff Pulliam Field Airport (FLG) to Sonoma County Airport (STS) last-minute?
Waiting until right before your break to book a flight from FLG to STS often results in higher prices. While you might find some last-minute deals, they're not always guaranteed. Allow some flexibility in your schedule for the best chance of scoring a bargain.
Is it cheaper to book a FLG to STS flight and hotel package?
Compared with arranging flights and hotels separately, booking a FLG to STS flight and hotel package with Expedia could result in significant savings. Better still, having everything in one easy place takes the hassle out of travel planning. Just pick your flights and select from our wide range of stays, then tailor your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Flagstaff Pulliam Field Airport (FLG) to Sonoma County Airport (STS)?
If you booked your FLG to STS flight in the last 24 hours, you may be able to modify or cancel 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 if you'd like more information.

Explore a world of travel with Expedia

*Available to One Key members.