BIL - STS

$485 Find Cheap Flights from Billings to Santa Rosa - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$485
Typical prices: $438-$501
Alaska Airlines
Wed 12/5Sun 12/9
BIL - STS • 2 stops
When to travel
January
Cheapest • 51% price drop
January
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Portland (PDX)
Cheapest • Avg $422 (round-trip)
Salt Lake City (SLC)
Shortest trip • 5h 19m (one-way)
Insights
Insights
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Flight Deals

Cheap Flights from Billings to Santa Rosa (BIL-STS)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Billings to Santa Rosa

Sat, Dec 5 - Wed, Dec 9
Alaska Airlines Logo
3:32 pm - 12:16 pmBIL  Billings Logan Intl-STS Santa Rosa Sonoma County
21h 44m2 stops Portland Seattle/Tacoma Intl
Alaska Airlines Logo
1:10 pm - 2:52 pmSTS  Santa Rosa Sonoma County-BIL Billings Logan Intl
24h 42m2 stops Las Vegas Harry Reid Intl Portland
$485Alaska Airlines
Sat, Dec 5 - Wed, Dec 9
Alaska Airlines Logo
3:32 pm - 12:16 pmBIL  Billings Logan Intl-STS Santa Rosa Sonoma County
21h 44m2 stops Portland Seattle/Tacoma Intl
Alaska Airlines Logo
8:00 am - 2:52 pmSTS  Santa Rosa Sonoma County-BIL Billings Logan Intl
5h 52m1 stop Portland
$485Alaska Airlines
Sat, Dec 5 - Wed, Dec 9
Alaska Airlines Logo
3:32 pm - 11:21 pmBIL  Billings Logan Intl-STS Santa Rosa Sonoma County
8h 49m2 stops Portland Los Angeles
Alaska Airlines Logo
8:00 am - 2:52 pmSTS  Santa Rosa Sonoma County-BIL Billings Logan Intl
5h 52m1 stop Portland
$490Alaska Airlines
Sat, Dec 5 - Wed, Dec 9
Alaska Airlines Logo
3:32 pm - 11:21 pmBIL  Billings Logan Intl-STS Santa Rosa Sonoma County
8h 49m2 stops Portland Los Angeles
Alaska Airlines Logo
1:10 pm - 2:52 pmSTS  Santa Rosa Sonoma County-BIL Billings Logan Intl
24h 42m2 stops Las Vegas Harry Reid Intl Portland
$491Alaska Airlines
Sat, Dec 5 - Wed, Dec 9
Alaska Airlines Logo
3:32 pm - 8:57 amBIL  Billings Logan Intl-STS Santa Rosa Sonoma County
18h 25m1 stop Portland
Alaska Airlines Logo
8:00 am - 2:52 pmSTS  Santa Rosa Sonoma County-BIL Billings Logan Intl
5h 52m1 stop Portland
$495Alaska Airlines
Booking Insights

Price, demand and travel trends for Billings to Santa Rosa flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Billings to Santa Rosa?

Round-trip flights from Billings to Santa Rosa typically range from $438 to $501. The lowest price found in the past 5 days was $485, on Alaska Airlines.

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Key details for Billings to Santa Rosa flights

Cheapest flight

$485
The most popular month to fly with an average 17% increase in travelers.
Round-trip flight from Billings to Santa Rosa

When to book flights from Billings to Santa Rosa

Are your dates flexible? Find out the best times to travel from Billings to Santa Rosa based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Billings to Santa Rosa flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Billings to Santa Rosa?

    Only Economy Class is available on flights from Billings to Santa Rosa.

  • How long is a flight from Billings to Santa Rosa?

    There are currently no nonstop flights available from Billings to Santa Rosa. Flights with 1 layover take between 5h 19m and 7h 57m in total, depending on the connection.

  • Do I need a passport to fly from Billings to Santa Rosa?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a Billings to Santa Rosa flight?

    Round-trip flights from Billings to Santa Rosa range from $438 to $501, with an average of $497 over the past 12 months. Anything below $438 counts as a good deal.

  • Have flight prices from Billings to Santa Rosa changed much recently?

    Based on fares seen in the past 5 days, round-trip prices on this route were fairly steady, ranging from about $485 to $501. The highest observed fare was only about 3% higher than the lowest one.

  • What car rental options are available at Santa Rosa Sonoma County Airport (STS)?

    Santa Rosa Sonoma County Airport (STS) hosts 5 major car rental companies, with daily rates starting from around $24 for economy cars. Top options include:

    • Ace
    • Dollar
    • Enterprise Rent-A-Car
    • Hertz
    • Budget

  • Which airports can I use when flying from Billings to Santa Rosa?

    Flights from Billings to Santa Rosa usually depart from Billings Logan Intl (BIL) and arrive at Santa Rosa Sonoma County (STS).

  • Which airports do connecting flights from Billings to Santa Rosa pass through?

    One-stop flights from Billings to Santa Rosa most commonly connect through:

    • Portland (PDX) - 46% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 23% of one-stop connections
    • Phoenix Sky Harbor Intl (PHX) - 15% of one-stop connections
    • Salt Lake City (SLC) - 15% of one-stop connections

  • Can I save money by using flexible dates for flights from Billings to Santa Rosa?

    Yes. Flexible dates can save you up to 56% on flights from Billings to Santa Rosa. Saturday is the cheapest departure day at $242 round-trip on average, while Thursday is the most expensive at $547, a difference of $305.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • How much time can I save by choosing a different layover airport from Billings to Santa Rosa?

    Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 5h 19m, compared with 5h 52m via Portland (PDX) and 6h 20m via Phoenix Sky Harbor Intl (PHX).

  • What is the time difference between Billings and Santa Rosa?

    Santa Rosa is 1 hour behind Billings (Pacific Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking Billings to Santa Rosa flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Saturday departure and avoid flying on Thursday. On this route, Saturday flights average $242, about $305 less than Thursday fares (56% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Billings to Santa Rosa trip for January. Fares historically average $242 round-trip in that month - typically $388 less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Santa Rosa Sonoma County Airport.

    • Hilton Garden Inn Sonoma County Airport

More options for your flight from Billings to Santa Rosa

Complete your trip to Santa Rosa with a hotel stay or car rental

Car rentals in Santa Rosa
Hotels in Santa Rosa
Vacations in Santa Rosa