$234 Cheap Flights from Buffalo (BUF) to Santa Rosa (STS)

View $234 flight on Thu, Apr 9, 2026Opens in a new window

Popular airlines from Buffalo Niagara Intl. Airport (BUF) to Santa Rosa, CA (STS-Sonoma County)

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Cheap Flights from Buffalo to Santa Rosa (BUF-STS)

Prices were available within the past 7 days and start at $234 for one-way flights and $499 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Aug 24 - Mon, Aug 31
BUF
Buffalo
STS
Santa Rosa
$499 Roundtrip, found 11 hours ago
$499
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Mon, Aug 24 from Buffalo to Santa Rosa, returning Mon, Aug 31, priced at $499 found 11 hours ago
Southwest Airlines
Mon, Aug 24 - Mon, Aug 31
BUF
Buffalo
STS
Santa Rosa
$509 Roundtrip, found 11 hours ago
$509
Roundtrip
found 11 hours ago
Select Southwest Airlines flight, departing Mon, Aug 24 from Buffalo to Santa Rosa, returning Mon, Aug 31, priced at $509 found 11 hours ago
Southwest Airlines
Wed, Jul 22 - Wed, Jul 29
BUF
Buffalo
STS
Santa Rosa
$509 Roundtrip, found 1 day ago
$509
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Wed, Jul 22 from Buffalo to Santa Rosa, returning Wed, Jul 29, priced at $509 found 1 day ago
American Airlines
Mon, Aug 24 - Mon, Aug 31
BUF
Buffalo
STS
Santa Rosa
$514 Roundtrip, found 11 hours ago
$514
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Mon, Aug 24 from Buffalo to Santa Rosa, returning Mon, Aug 31, priced at $514 found 11 hours ago
Southwest Airlines
Wed, Oct 14 - Thu, Oct 15
BUF
Buffalo
STS
Santa Rosa
$520 Roundtrip, found 2 days ago
$520
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Wed, Oct 14 from Buffalo to Santa Rosa, returning Thu, Oct 15, priced at $520 found 2 days ago
Southwest Airlines
Mon, Aug 24 - Mon, Aug 31
BUF
Buffalo
STS
Santa Rosa
$524 Roundtrip, found 11 hours ago
$524
Roundtrip
found 11 hours ago
Select Southwest Airlines flight, departing Mon, Aug 24 from Buffalo to Santa Rosa, returning Mon, Aug 31, priced at $524 found 11 hours ago
Southwest Airlines
Wed, Oct 14 - Thu, Oct 15
BUF
Buffalo
STS
Santa Rosa
$525 Roundtrip, found 2 days ago
$525
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Wed, Oct 14 from Buffalo to Santa Rosa, returning Thu, Oct 15, priced at $525 found 2 days ago
Southwest Airlines
Wed, Oct 14 - Thu, Oct 15
BUF
Buffalo
STS
Santa Rosa
$527 Roundtrip, found 2 days ago
$527
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Wed, Oct 14 from Buffalo to Santa Rosa, returning Thu, Oct 15, priced at $527 found 2 days ago
American Airlines
Wed, Oct 14 - Thu, Oct 15
BUF
Buffalo
STS
Santa Rosa
$529 Roundtrip, found 2 days ago
$529
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Oct 14 from Buffalo to Santa Rosa, returning Thu, Oct 15, priced at $529 found 2 days ago
Alaska Airlines
Mon, Aug 24 - Mon, Aug 31
BUF
Buffalo
STS
Santa Rosa
$564 Roundtrip, found 11 hours ago
$564
Roundtrip
found 11 hours ago
Select Alaska Airlines flight, departing Mon, Aug 24 from Buffalo to Santa Rosa, returning Mon, Aug 31, priced at $564 found 11 hours ago

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Frequently asked questions

How much does a flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Santa Rosa, CA (STS-Sonoma County) cost?
You can find cheap one-way flights from $234 and cheap return flights from $499 Buffalo, NY (BUF-Buffalo Niagara Intl.) to Santa Rosa, CA (STS-Sonoma County) with Expedia. One-way flights generally range between $254 and $1143. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Buffalo, NY (BUF-Buffalo Niagara Intl.) to Santa Rosa, CA (STS-Sonoma County) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Santa Rosa, CA (STS-Sonoma County)?
The cheapest month to fly from BUF to STS is August when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Santa Rosa, CA (STS-Sonoma County)?
Enter BUF to STS and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Santa Rosa, CA (STS-Sonoma County)?
American Airlines, Alaska Airlines and Delta are just some of the carriers that fly from Buffalo, NY (BUF) to Santa Rosa, CA (STS). Use Expedia's flight search tool to compare airlines on this route and find our cheapest option for your trip. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Santa Rosa, CA (STS-Sonoma County)?
To find a cheap flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Santa Rosa, CA (STS-Sonoma County), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Santa Rosa, CA (STS-Sonoma County)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Santa Rosa, CA (STS-Sonoma County)?
The earliest flight from Buffalo Niagara International Airport (BUF) to Sonoma County Airport (STS) usually departs at 5:15 AM, operated by American Airlines and Alaska Airlines. This seasonal service is available in May, giving you a chance to start your day early and explore Santa Rosa. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Santa Rosa, CA (STS-Sonoma County)?
The busiest day for flights from Buffalo Niagara Intl. (BUF) to Sonoma County (STS) is a Wednesday, with around 6 flights. This gives you plenty of options for your travel plans. Major airlines on this route include American Airlines and United.
What are the most popular departure times for flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Santa Rosa, CA (STS-Sonoma County)?
The most popular departure times for flights from Buffalo Niagara Intl. (BUF) to Sonoma County (STS) are in the morning, from 6am to 9am. About 62% of passengers prefer this time window. Many major carriers, including American Airlines and United Airlines, offer flights during this window. This timing is popular because it allows travelers to reach their destination early in the day.
How long does it take to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Santa Rosa, CA (STS-Sonoma County)?
A flight from BUF to STS with a layover takes around 8 hours, with the route covering approximately 2,302 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Santa Rosa, CA (STS-Sonoma County)?
First class seats are offered on the BUF to STS route with American Airlines.
How do I earn miles on a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Santa Rosa, CA (STS-Sonoma County) flight with Expedia?
It's easy to earn miles on a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Santa Rosa, CA (STS-Sonoma County) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Santa Rosa from Buffalo Niagara Intl. (BUF)?
If you're planning to travel to Santa Rosa from Buffalo Niagara Intl. (BUF), you can fly into Sonoma County (STS) Some flights may connect through major hubs like O'Hare Intl. (ORD), Washington Dulles Intl. (IAD), Hartsfield-Jackson Atlanta Intl. (ATL) before reaching Santa Rosa. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Santa Rosa, CA (STS-Sonoma County) at the last minute?
Typically, booking a last minute flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Santa Rosa, CA (STS-Sonoma County) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Santa Rosa, CA (STS-Sonoma County) flight and hotel package?
Securing a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Santa Rosa, CA (STS-Sonoma County) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Santa Rosa, CA (STS-Sonoma County)?
If you booked your Buffalo, NY (BUF-Buffalo Niagara Intl.) to Santa Rosa, CA (STS-Sonoma County) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Buffalo Niagara Intl.
Destination airport
Sonoma County
Airlines serving
Alaska Airlines, American Airlines, Southwest Airlines
Roundtrip price
$498
Distance
2301 mi

Book with confidence

Buffalo to Santa Rosa Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Buffalo 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 Buffalo 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 Buffalo to Santa Rosa in 2026. You can also book with separate airlines for your outbound and return journeys, from $234 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 Buffalo 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 Buffalo 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.

 

Buffalo to Santa Rosa Flights

*Flight schedules are subject to change.

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*Available to One Key members.