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).

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.

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) - 50% of one-stop connections • Seattle/Tacoma Intl (SEA) - 25% of one-stop connections • Phoenix Sky Harbor Intl (PHX) - 17% of one-stop connections • Salt Lake City (SLC) - 8% of one-stop connections Portland (PDX) handles the largest share of one-stop connections on this route.

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

On the Billings to Santa Rosa route, being flexible with your departure day can save you up to 65%. Saturday is the cheapest day at $242 round-trip on average, while Monday is the most expensive at $683: a $441 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

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 4h 33m 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 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 4h 33m, 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.

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

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

Round-trip flights from Billings to Santa Rosa range from $362 to $501, with an average of $497 over the past 12 months. Anything below $362 counts as a good deal.

What is the cheapest airline to fly from Billings to Santa Rosa?

Alaska Airlines ($378) and Delta ($437) are the cheapest airlines to fly round-trip from Billings to Santa Rosa according to KAYAK data over the last 5 days.

What is the most popular layover airport when flying from Billings to Santa Rosa?

Portland (PDX) is the most popular layover for the Billings to Santa Rosa route. 50% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via PDX.

What is the cheapest layover airport when flying from Billings to Santa Rosa?

Flights via Portland (PDX) offer the most affordable fares, with an average round-trip price of $422. Based on KAYAK data over the past 3 months.

When flying from Billings to Santa Rosa which airport offers the shortest layover?

Salt Lake City (SLC) had the shortest average connection time for Billings to Santa Rosa layovers at 172 minutes over the past 3 months.

$378 CHEAP FLIGHTS from Billings to Santa Rosa (BIL - STS)

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Cheapest round-trip

$378

Typical prices: $362-$501

Alaska Airlines

Wed 10/24Sun 10/28

BIL - STS • 2 stops

When to travel

January

Cheapest • 51% price drop

January

Most popular

Good to know

Top layover airports

Portland (PDX)

Cheapest • Avg $422 (round-trip)

Salt Lake City (SLC)

Shortest trip • 4h 33m (one-way)

Insights

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We hope you love your trip to Santa Rosa!

Flight Deals

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

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

Round-trip

One-way

Recent round-trip flight deals from Billings to Santa Rosa

Sat, Oct 24 - Wed, Oct 28

7:41 am - 4:12 pmBIL Billings Logan Intl-STS Santa Rosa Sonoma County

9h 31m2 stops Seattle/Tacoma Intl Las Vegas Harry Reid Intl

2:00 pm - 6:52 pmSTS Santa Rosa Sonoma County-BIL Billings Logan Intl

27h 52m2 stops Las Vegas Harry Reid Intl Seattle/Tacoma Intl

$378Alaska Airlines

Sat, Oct 24 - Wed, Oct 28

7:41 am - 4:12 pmBIL Billings Logan Intl-STS Santa Rosa Sonoma County

9h 31m2 stops Seattle/Tacoma Intl Las Vegas Harry Reid Intl

2:00 pm - 6:52 pmSTS Santa Rosa Sonoma County-BIL Billings Logan Intl

27h 52m2 stops Las Vegas Harry Reid Intl Seattle/Tacoma Intl

$397Alaska Airlines

Sat, Oct 24 - Wed, Oct 28

7:41 am - 1:06 pmBIL Billings Logan Intl-STS Santa Rosa Sonoma County

6h 25m1 stop Seattle/Tacoma Intl

2:00 pm - 6:52 pmSTS Santa Rosa Sonoma County-BIL Billings Logan Intl

27h 52m2 stops Las Vegas Harry Reid Intl Seattle/Tacoma Intl

$407Alaska Airlines

Sat, Oct 10 - Tue, Oct 20

7:41 am - 1:06 pmBIL Billings Logan Intl-STS Santa Rosa Sonoma County

6h 25m1 stop Seattle/Tacoma Intl

2:00 pm - 3:04 pmSTS Santa Rosa Sonoma County-BIL Billings Logan Intl

24h 04m2 stops Las Vegas Harry Reid Intl Portland

$417Alaska Airlines

Sat, Oct 24 - Wed, Oct 28

7:41 am - 1:06 pmBIL Billings Logan Intl-STS Santa Rosa Sonoma County

6h 25m1 stop Seattle/Tacoma Intl

2:00 pm - 6:52 pmSTS Santa Rosa Sonoma County-BIL Billings Logan Intl

27h 52m2 stops Las Vegas Harry Reid Intl Seattle/Tacoma Intl

$417Alaska Airlines

Tue, Oct 13 - Tue, Oct 20

5:20 am - 10:41 amBIL Billings Logan Intl-STS Santa Rosa Sonoma County

6h 21m1 stop Salt Lake City

4:49 pm - 10:25 pmSTS Santa Rosa Sonoma County-BIL Billings Logan Intl

4h 36m1 stop Salt Lake City

$437Delta

Sat, Feb 20 - Wed, Feb 24

6:25 pm - 9:48 pmBIL Billings Logan Intl-STS Santa Rosa Sonoma County

4h 23m1 stop Salt Lake City

7:00 am - 12:19 pmSTS Santa Rosa Sonoma County-BIL Billings Logan Intl

4h 19m1 stop Salt Lake City

$437Delta

Sat, Feb 20 - Tue, Feb 23

6:25 pm - 9:48 pmBIL Billings Logan Intl-STS Santa Rosa Sonoma County

4h 23m1 stop Salt Lake City

7:00 am - 12:19 pmSTS Santa Rosa Sonoma County-BIL Billings Logan Intl

4h 19m1 stop Salt Lake City

$437Delta

Sat, Oct 10 - Tue, Oct 20

5:20 am - 10:41 amBIL Billings Logan Intl-STS Santa Rosa Sonoma County

6h 21m1 stop Salt Lake City

11:21 am - 5:48 pmSTS Santa Rosa Sonoma County-BIL Billings Logan Intl

5h 27m1 stop Salt Lake City

$437Delta

Tue, Oct 13 - Sat, Oct 17

5:20 am - 10:41 amBIL Billings Logan Intl-STS Santa Rosa Sonoma County

6h 21m1 stop Salt Lake City

11:21 am - 5:48 pmSTS Santa Rosa Sonoma County-BIL Billings Logan Intl

5h 27m1 stop Salt Lake City

$437Delta

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 from Billings to Santa Rosa with more confidence.

Prices

Airlines

Layovers

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

Round-trip flights from Billings to Santa Rosa start at $378. Prices are typical for this route right now, with typical round-trip fares ranging from $362 to $501. The lowest price found in the past 5 days was $378 on Alaska Airlines.

Find deals

Low season	July
High season	January
Cheapest flight	$378

Most popular time to fly and prices are also 51% lower on average.

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

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

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).
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.
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) - 50% of one-stop connections
• Seattle/Tacoma Intl (SEA) - 25% of one-stop connections
• Phoenix Sky Harbor Intl (PHX) - 17% of one-stop connections
• Salt Lake City (SLC) - 8% of one-stop connections

Portland (PDX) handles the largest share of one-stop connections on this route.
Can I save money by using flexible dates for flights from Billings to Santa Rosa?
On the Billings to Santa Rosa route, being flexible with your departure day can save you up to 65%. Saturday is the cheapest day at $242 round-trip on average, while Monday is the most expensive at $683: a $441 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.
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 4h 33m 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 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 4h 33m, 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.
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
How much should I expect to pay for a Billings to Santa Rosa flight?
Round-trip flights from Billings to Santa Rosa range from $362 to $501, with an average of $497 over the past 12 months. Anything below $362 counts as a good deal.

If your dates can be flexible, aim for a Saturday departure instead of Monday. On this route, Saturday flights average $242 - about $441 less than Monday (65% 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

Everything you need to know for your flight from Billings to Santa Rosa

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Billings (BIL)

Santa Rosa (STS)

BIL - STS

$378 Find Cheap Flights from Billings to Santa Rosa - Compare and Save

Everything you should know

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

Recent round-trip flight deals from Billings to Santa Rosa

Recent one-way flight deals from Billings to Santa Rosa

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

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

What is the cheapest airline to fly from Billings to Santa Rosa?

What is the most popular layover airport when flying from Billings to Santa Rosa?

What is the cheapest layover airport when flying from Billings to Santa Rosa?

When flying from Billings to Santa Rosa which airport offers the shortest layover?

Key details for Billings to Santa Rosa flights

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Your guide to booking Billings to Santa Rosa flights

Everything you need to know for your flight from Billings to Santa Rosa

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