$580+ Cheap flights from Peoria, IL to Santa Rosa (PIA - STS)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/26. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — STS
Nov 24 — Dec 11
Round-trip
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Best
One-way
Best flights from Peoria to Santa RosaDiscover carefully curated flight deals from Peoria to Santa Rosa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
Discover carefully curated flight deals from Peoria to Santa Rosa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/231:22 pm -
2 stops11h 22m
Sun 4/259:00 am -
2 stops12h 33m
Deal found 10/21![American Airlines logo]()
$871
One-way flights from Peoria to Santa RosaSearch for one-way flight options from Peoria to Santa Rosa. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
Search for one-way flight options from Peoria to Santa Rosa. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
This American Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:31 am -
2 stops11h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![American Airlines logo]()
$580
This Kiwi.com deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/262:34 pm -
3 stops45h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$756
Find flight deals from Peoria to Santa Rosa
Discover tips and strategies to find the most affordable flight options for your journey from Peoria (PIA) to Santa Rosa (STS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $871 (American Airlines) |
One-way from | $580 (American Airlines) |
Popular in | January |
Cheapest in | October |
Average price | $358 |
Cheapflights Fare Finder
Customize your flight search to find flights from Peoria to Santa Rosa that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 25, 2026.
Use the filters below to find and compare flights from Peoria to Santa Rosa that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
PeoriaSanta Rosa
PIA Greater Peoria - STS Santa Rosa Sonoma County
PIASTS
Greater Peoria
Thu 11/26
6:31 am-3:55 pm
2 stops11h 24m
Santa Rosa Sonoma County
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$580
PeoriaSanta Rosa
PIA Greater Peoria - STS Santa Rosa Sonoma County
PIASTS
Greater Peoria
Thu 11/26
2:34 pm-10:04 am
3 stops45h 30m
Santa Rosa Sonoma County
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$756
PeoriaSanta Rosa
PIA Greater Peoria - STS Santa Rosa Sonoma County
PIASTS
Greater Peoria
Fri 4/23
1:22 pm-10:44 pm
2 stops11h 22m
Santa Rosa Sonoma County
Sun 4/25
9:00 am-11:33 pm
2 stops12h 33m
$871
Sorted by cheapest first
- Most accurate provider: When it comes to deals on Peoria, Illinois-Santa Rosa flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Peoria, Illinois-Santa Rosa flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Peoria, Illinois-Santa Rosa flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Peoria, Illinois-Santa Rosa flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Peoria, Illinois-Santa Rosa flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Peoria to Santa Rosa
Have a flexible travel schedule? Discover the best time to fly to Santa Rosa from Peoria with our price prediction graph.
PIA-STS
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Related info for your journey
Find useful and relevant information for your journey from Peoria to Santa Rosa. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Santa Rosa?
Book flights to Santa Rosa if you plan to visit one of these locationsFort Bragg
Ukiah
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