$146 Find Cheap Flights from Denver to Santa Rosa - Compare and Save

These are the earliest and latest flight times available from Denver to Santa Rosa:

• Earliest: departs at 7:50 am and lands at 10:36 am
• Latest: departs at 2:10 pm and lands at 4:56 pm.

The flight takes about 2h 46m.

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

A nonstop flight from Denver to Santa Rosa takes 2h 46m, covering 974 miles.

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.

Round-trip flights from Denver to Santa Rosa range from $345 to $562, with an average of $426 over the past 12 months. Anything below $345 counts as a good deal.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $279 round-trip via Salt Lake City (SLC), compared to $489 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $45–$90 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Airbus A320neo family is used most often on this route, operated mainly by Frontier. Other aircraft seen on the route include Airbus A321-100/200 variants.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $303 to $993. That means the highest observed fare was about 3x higher than the lowest one.

One-way fares from Denver to Santa Rosa are currently lower than usual. Average one-way flight prices are about $160, which is 26% below the typical average for this route.

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

Flights from Denver to Santa Rosa usually depart from Denver Intl (DEN) and arrive at Santa Rosa Sonoma County (STS).

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

• Phoenix Sky Harbor Intl (PHX) - 49% of one-stop connections
• San Diego (SAN) - 15% of one-stop connections
• Salt Lake City (SLC) - 13% of one-stop connections
• Las Vegas Harry Reid Intl (LAS) - 8% of one-stop connections

Phoenix Sky Harbor Intl (PHX) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 51% on the Denver to Santa Rosa route. Monday is the cheapest departure day at $363 round-trip on average, while Sunday is the most expensive at $740, a difference of $377. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Only Southwest operates flights between Denver and Santa Rosa.

Flying via Las Vegas Harry Reid Intl (LAS) gives the shortest average 1-stop total travel time at 4h 36m, compared with 5h 21m via Salt Lake City (SLC) and 5h 23m via Phoenix Sky Harbor Intl (PHX).

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

Among airlines operating Denver to Santa Rosa flights:

• Southwest: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• Southwest: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.