$305 Cheap Flights from South Bend (SBN) to Santa Rosa (STS)

View $305 flight on Fri, Nov 14, 2025Opens in a new window

Popular airlines from South Bend Intl. Airport (SBN) to Santa Rosa, CA (STS-Sonoma County)

Cheap Flights from South Bend to Santa Rosa (SBN-STS)

Prices were available within the past 7 days and start at $305 for one-way flights and $743 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Nov 11 - Fri, Nov 21
SBN
South Bend
STS
Santa Rosa
$743 Roundtrip, found 3 days ago
$743
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Nov 11 from South Bend to Santa Rosa, returning Fri, Nov 21, priced at $743 found 3 days ago
American Airlines
Tue, Nov 11 - Sun, Nov 23
SBN
South Bend
STS
Santa Rosa
$758 Roundtrip, found 3 days ago
$758
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Nov 11 from South Bend to Santa Rosa, returning Sun, Nov 23, priced at $758 found 3 days ago
American Airlines
Tue, Nov 11 - Mon, Nov 24
SBN
South Bend
STS
Santa Rosa
$778 Roundtrip, found 3 days ago
$778
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Nov 11 from South Bend to Santa Rosa, returning Mon, Nov 24, priced at $778 found 3 days ago
American Airlines
Fri, Nov 14 - Fri, Nov 21
SBN
South Bend
STS
Santa Rosa
$798 Roundtrip, found 3 days ago
$798
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, Nov 14 from South Bend to Santa Rosa, returning Fri, Nov 21, priced at $798 found 3 days ago
American Airlines
Fri, Nov 14 - Sat, Nov 22
SBN
South Bend
STS
Santa Rosa
$799 Roundtrip, found 3 days ago
$799
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, Nov 14 from South Bend to Santa Rosa, returning Sat, Nov 22, priced at $799 found 3 days ago
American Airlines
Tue, Nov 11 - Wed, Nov 19
SBN
South Bend
STS
Santa Rosa
$806 Roundtrip, found 3 days ago
$806
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Nov 11 from South Bend to Santa Rosa, returning Wed, Nov 19, priced at $806 found 3 days ago
American Airlines
Fri, Nov 14 - Sun, Nov 23
SBN
South Bend
STS
Santa Rosa
$813 Roundtrip, found 3 days ago
$813
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, Nov 14 from South Bend to Santa Rosa, returning Sun, Nov 23, priced at $813 found 3 days ago
Delta
Sat, Nov 15 - Tue, Nov 18
SBN
South Bend
STS
Santa Rosa
$826 Roundtrip, found 3 days ago
$826
Roundtrip
found 3 days ago
Select Delta flight, departing Sat, Nov 15 from South Bend to Santa Rosa, returning Tue, Nov 18, priced at $826 found 3 days ago
American Airlines
Fri, Nov 14 - Mon, Nov 24
SBN
South Bend
STS
Santa Rosa
$833 Roundtrip, found 3 days ago
$833
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, Nov 14 from South Bend to Santa Rosa, returning Mon, Nov 24, priced at $833 found 3 days ago
Delta
Sat, Nov 15 - Thu, Nov 20
SBN
South Bend
STS
Santa Rosa
$846 Roundtrip, found 3 days ago
$846
Roundtrip
found 3 days ago
Select Delta flight, departing Sat, Nov 15 from South Bend to Santa Rosa, returning Thu, Nov 20, priced at $846 found 3 days ago

Frequently asked questions

How much does a flight from South Bend Intl. Airport (SBN) to Sonoma County Airport (STS) cost?
Snag a cheap one-way flight from $305 or cheap return flight from $743 from South Bend Intl. Airport (SBN) to Sonoma County Airport (STS) 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 South Bend Intl. Airport (SBN) to Sonoma County Airport (STS)?
Planning your trip for November is a great way to save, as it's the cheapest month for flights between SBN and STS. You'll usually find the lowest fares during the off-season.
What is the cheapest airline that flies from South Bend Intl. Airport (SBN) to Sonoma County Airport (STS)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest SBN to STS flight.
How many flights per day from South Bend Intl. Airport (SBN) to Sonoma County Airport (STS)?
You'll have to take a flight with a layover when traveling from South Bend Intl. Airport (SBN) to Sonoma County Airport (STS). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from SBN to STS?
Usually you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* But this can change depending on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from South Bend Intl. Airport (SBN) to Sonoma County Airport (STS)?
Opt for a flight from South Bend Intl. Airport (SBN) to Sonoma County Airport (STS) that leaves before 3 PM to reduce the likelihood of delays. Departures after this time 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 South Bend Intl. Airport (SBN) to Sonoma County Airport (STS) last-minute?
Last-minute bookings from SBN to STS are typically more expensive. To lock in the cheapest rates, start searching for flights as early as possible. That being said, if you're flexible with your travel plans, it's possible to find a cheap fare just before your departure.
Is it cheaper to book a SBN to STS flight and hotel package?
Compared with arranging hotels and flights separately, booking a SBN to STS flight and hotel package with Expedia could result in significant savings. What's more, having it all in one place will take the hassle out of planning your trip. Just secure your flights and choose from our wide range of hotels, then customize your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from South Bend Intl. Airport (SBN) to Sonoma County Airport (STS)?
If you booked your SBN to STS flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more information.

Travel information

Travel information

Origin airport
South Bend Intl.
Destination airport
Sonoma County
Airlines serving
American Airlines
Roundtrip price
$742
Distance
1926 mi

Book with confidence

Book with confidence

South Bend to Santa Rosa Flights

The cheapest times to fly from South Bend 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 South Bend to Santa Rosa are during the month of November. You can find some of the cheapest flights from South Bend to Santa Rosa with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from South Bend to Santa Rosa

Sunday is one of the best days to book for cheap flights from South Bend 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 South Bend 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 South Bend to Santa Rosa in 2025. You can also book with separate airlines for your outbound and return journeys, from $305 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 South Bend 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 South Bend 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.

 

South Bend to Santa Rosa Flights

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*Available to One Key members.