Cheap flights from Illinois to Santa Rosa from $153
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Santa Rosa departing on 2/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Deals available from 900+ travel sites.
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Illinois to San Francisco
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
Cheap bus & train deals from Illinois to San Francisco
All round-trip flight deals to San Francisco
Alaska Airlines flights from Illinois to Santa Rosa
Our best Alaska Airlines deals on Illinois to Santa Rosa flight tickets
American Airlines flights from Illinois to Santa Rosa
Our best American Airlines deals on Illinois to Santa Rosa flight tickets
See travel insights to San Francisco from
How to get the cheapest flight ticket from Illinois to Santa Rosa
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest day to depart on your flight to Santa Rosa?
Our data shows that Tuesday is the least expensive day to fly to Santa Rosa. Tickets to fly out on this day can be as low as $517. On the other hand, Monday is the most expensive day to depart from Illinois because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $703.
What is the cheapest time of day to depart on your flight to Santa Rosa?
Our data shows that the cheapest Illinois to Santa Rosa flights are usually those with departure times in the evening. Our users have found flights to Santa Rosa in the evening for as low as $453. Flights in the morning are often more expensive with an average ticket price of $577.
What is the cheapest airline that flies from Illinois to Santa Rosa Sonoma County?
Alaska Airlines and American Airlines are the most popular carriers operating from Illinois to Santa Rosa Sonoma County
What airlines fly to Santa Rosa?
United Airlines, American Airlines and Alaska Airlines are the top three most popular airlines that fly to Santa Rosa from Illinois according to our data. United Airlines is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Santa Rosa. Keep in mind that there are 8 different airlines that fly to Santa Rosa on a routine basis, so you have a few additional options to choose from.
Cheap Illinois to Santa Rosa flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Illinois to Santa Rosa
When did momondo last update prices for flights from Illinois to Santa Rosa Sonoma County Airport?
Prices for flights from Illinois to Santa Rosa Sonoma County Airport refresh daily.
How many operators does momondo search for flights from Illinois to Santa Rosa Sonoma County Airport?
There are 2 operators available for flights from Illinois to Santa Rosa Sonoma County Airport as of January 2025.
How old do you have to be to fly from Illinois to Santa Rosa Sonoma County Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Santa Rosa Sonoma County Airport.
What documentation or ID do you need to fly to Santa Rosa Sonoma County Airport?
The required travel and health documents for your Santa Rosa Sonoma County Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Santa Rosa Sonoma County Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from Illinois to Santa Rosa
Compare and see reviews for airlines that fly from Illinois to Santa Rosa with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $266 | Free Cancellation | Rating 8.0 9,643 reviews | |||
| PriceFrom $435 | Free Cancellation | Rating 7.2 10,000 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Illinois to Santa Rosa?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Illinois to Santa Rosa. momondo saves you time and could save you money on your trip.
Can I find flights from Illinois to Santa Rosa with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Illinois to Santa Rosa flights to just show those with flexible booking policies.
How can momondo help me find flights from Illinois to Santa Rosa?
Once you have performed a search for Illinois to Santa Rosa flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Illinois to Santa Rosa right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Santa Rosa, momondo offers a useful price alert feature which will track prices for flights to Santa Rosa from Illinois and alert you when they change.