Cheap Flights from Denver International to Santa Rosa

Compare Denver International to Santa Rosa flight deals

Find the cheapest month or even day of the year to fly to Santa Rosa

Book the best Santa Rosa fare with no extra fees

Flight deals from Denver International Airport to Santa Rosa Airport

Looking for a cheap last-minute deal or the best return flight from Denver International Airport to Santa Rosa Airport? If you want to travel next month, return fares start from Rs86,494. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Denver International to Santa Rosa

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Denver International to Santa Rosa flights are currently cheapest in April.

Direct flights from Denver International to Santa Rosa

Denver International to Santa Rosa: Alternative routes

Compare routes from Denver International to Santa Rosa below. You may find an airport to fly into that's cheaper, faster, or easier than Santa Rosa.

Denver to Santa Rosa: Flight information

The things to know before you go.
Cheapest flight foundRs48,542
Cheapest month to flyApril
Average flight time2 hrs, 39 mins
Most popular airlineSouthwest Airlines
Average flights per week3

Finding cheap flights from Denver International to Santa Rosa: Frequently asked questions

The best price we found for a return flight from Denver International to Santa Rosa is Rs72,311. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 39 minutes is the average flight time from Denver International to Santa Rosa.
Southwest Airlines flies direct from Denver International to Santa Rosa.
As of March 2026, there are 3 flights per week flying from Denver International to Santa Rosa.
The cheapest month to fly from Denver International to Santa Rosa is usually May.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Denver International Airport to Santa Rosa Airport on Friday, 1 May 2026.
Yes – the average flight time is 2 hours and 39 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Santa Rosa but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Santa Rosa is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Alaska Airlines offers the cheapest flight tickets to Santa Rosa.

Travelling from Denver International Airport (DEN) to Sonoma County Airport (STS): what you need to know

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules worth sticking to. Be at the airport on time to board your DEN to STS flight.

  • During popular months like July, it's best to get to the airport even earlier. Plan to arrive two hours before domestic departures and four hours ahead of international flights whenever you're travelling during a peak period in general.

  • If you want to discover a new city along the way, search for a flight with a stopover. To see all your options for tickets from Denver International Airport to Sonoma County Airport, uncheck 'Direct flights only.' Phoenix Sky Harbour International Airport is a sought-after stop between DEN and STS.

How to find the cheapest flights from Denver International Airport (DEN) to Sonoma County Airport (STS)

  • Rs48,542 is the best price for a one-way Denver International Airport to Sonoma County Airport flight. A return flight starts from Rs72,311. These fares can change based on availability.

  • To get your hands on cheap tickets from DEN to STS, book as early as you can. Airlines tend to offer their most competitively priced fares when flights are first made available.

  • If you can be flexible with your travel plans, use the 'Whole month' search function. It'll show you the lowest price across every month when looking for your flight from Denver International Airport to Sonoma County Airport.

  • Stay on top of deals for cheap flights from DEN to STS by setting up a Price Alert. You'll receive an email or notification on the app when a new discounted fare appears.

  • Secure the ideal flight for you by using the filters. To see the 'Cheapest,' 'Fastest' or 'Best' flights from Denver International Airport to Sonoma County Airport, use the 'Sort by' function. You can also filter by airline, departure and arrival times, and number of stops.

Handy information about Denver International Airport (DEN)

  • You'll find DEN at 8500 Pena Boulevard.

  • Denver International Airport gets high marks for its on-time performance. 80.23% of flights that depart DEN reach their destination on time.

  • Denver International Airport is about 40 kilometres from central Denver. If you're catching a cab, ride-sharing or driving from the centre, it'll take 35 minutes or so to arrive, depending on the traffic.

  • Catching public transport? Expect a trip time of around 1 hour 30 minutes.

  • Want a hotel to stay in before your flight from Denver International Airport to Sonoma County Airport? Check out Baymont by Wyndham Denver International Airport. Enjoy a good night's sleep here before heading to DEN.

Arriving at Sonoma County Airport (STS)

Getting from Sonoma County Airport (STS) to central Santa Rosa

  • The address for STS is 2200 Airport Boulevard.

  • From Sonoma County Airport, Santa Rosa is approximately 13 kilometres away. It takes around 15 minutes to reach the centre by car.

  • It typically takes 35 minutes when travelling by public transport.

When to fly to Sonoma County Airport (STS)

  • The quietest month for a flight from Denver International Airport to Sonoma County Airport is May, while October is the most popular. Choose the best time to go to Santa Rosa based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • When booking your flight from Denver International Airport to Sonoma County Airport, think about the kind of weather you enjoy. August is the warmest month in Santa Rosa, with temperatures ranging from 11ºC to 29ºC.

  • February sees average temperatures of between 2ºC and 19ºC. Search for cheap tickets from DEN to STS sometime then if you want to travel when it's cooler.

Explore more of United States

  • You've done Santa Rosa, now it's time to explore more of United States. Journey around 145 kilometres south-east to San Jose to tick off its must-visit sights. From Winchester Mystery House to Rosicrucian Egyptian Museum and San Jose Museum of Art, your itinerary will be busy.

  • San Francisco is another sought-after destination in United States and is around 80 kilometres south of Santa Rosa. No journey is complete without seeing Golden Gate Bridge, Alcatraz Island and Lombard Street.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.