Cheap Flights from Santa Rosa to Denver International

Compare Santa Rosa to Denver International flight deals

Find the cheapest month or even day of the year to fly to Denver International

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Flight deals from Santa Rosa to Denver International

Looking for a cheap last-minute deal or the best return flight from Santa Rosa Airport to Denver International Airport? If you want to travel next month, return fares start from R 4,755. Find the lowest prices on one-way and return tickets right here.

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

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

Direct flights from Santa Rosa to Denver International

Santa Rosa to Denver International: Alternative routes

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

Santa Rosa to Denver: Flight information

The things to know before you go.
Cheapest flight foundR 2,360
Cheapest month to flySeptember
Average flight time2 hrs, 31 mins
Most popular airlineSouthwest Airlines
Average flights per week4

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

The best price we found for a return flight from Santa Rosa to Denver International is R 4,742. 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 31 minutes is the average flight time from Santa Rosa to Denver International.
Southwest Airlines flies direct from Santa Rosa to Denver International.
As of July 2026, there are 4 flights per week flying from Santa Rosa to Denver International.
The cheapest month to fly from Santa Rosa to Denver International is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Santa Rosa Airport to Denver International Airport on Thursday, 10 September 2026.
Yes – the average flight time is 2 hours and 31 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 Denver International 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 Denver is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Southwest Airlines offers the cheapest flight tickets to Denver International.

Travelling from Santa Rosa Airport (STS) to Denver International Airport (DEN): what you need to know

  • Hop on a direct flight from Santa Rosa Airport to Denver International Airport and you'll be travelling for an average of 2 hours 30 minutes.

  • Denver is one hour ahead of Santa Rosa and follows the UTC-7 timezone.

  • For a stress-free journey, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This way, you'll have plenty of time to board your STS to DEN flight.

  • Flying during a peak month like August? School holidays and other high seasons can lead to longer queues at airport checkpoints. Be extra cautious and arrive up to four hours before an international flight and two hours before domestic departures.

  • Southwest Airlines is your ticket to exploring Denver (and maybe even some other exciting corners of the United States!). Check out the direct flights from Santa Rosa Airport to Denver International Airport offered by this carrier.

  • The airline with the highest passenger demand on this route is Southwest Airlines.

  • Choose a stopover if you prefer to break up your flight. Simply deselect 'Direct flights only' to see your options for tickets from Santa Rosa Airport to Denver International Airport. Dallas Fort Worth International Airport is a top stopover on the STS to DEN route.

Handy information about Santa Rosa Airport (STS)

  • The address for STS is 2200 Airport Boulevard.

  • Of all flights departing from Santa Rosa Airport, 71% arrive as scheduled at their destination.

  • To get to Santa Rosa Airport from central Santa Rosa, it takes around 10 minutes if you're travelling by car. Of course, this depends on traffic conditions. It's approximately 10 kilometres from the airport to the city centre.

  • Taking public transport? Expect a journey time of around 35 minutes.

  • Get your travels off to a leisurely start by staying near STS. Whether you've booked an early flight from Santa Rosa Airport to Denver International Airport or want to avoid feeling rushed, these stays have you covered:

Arriving at Denver International Airport (DEN)

  • Get off your Santa Rosa Airport to Denver International Airport flight and jump into your hotel bed shortly after. If you need a comfy option within easy reach of DEN, check out Baymont by Wyndham Denver International Airport.

  • Grab a Denver International Airport rental car and discover Denver and beyond with your own set of wheels. Routes Car Rentals, Dollar and Budget are top outlets you can book with here.

  • Booking your vehicle from Denver International Airport around one week ahead can help you get the best possible rate.

When to fly to Denver International Airport (DEN)

  • It's time to choose your dates for your flight from Santa Rosa Airport to Denver International Airport. July is the most popular month to head to Denver. If you prefer a more relaxed vibe, go in January.

  • The warmest month in Denver is July, with the temperature ranging between 14ºC (57ºF) and 32ºC (90ºF). Book your flights from Santa Rosa Airport to Denver International Airport in this month if this is the kind of weather you like.

  • January has average temperatures of between -9ºC (16ºF) and 7ºC (45ºF). Look for cheap tickets from STS to DEN sometime around then if you want to travel when it's cooler.

Explore more of the United States

  • You've visited Denver, now it's time to discover other parts of the United States. Journey around 105 kilometres south to Colorado Springs to check off its top sights. From Garden of the Gods to Pikes Peak Region Attractions and Red Rock Canyon, you'll have a packed itinerary ahead.

  • If you want to check out another major destination in the United States, consider Aurora, about 13 kilometres east of Denver. Plains Conservation Centre, DeLaney Homestead Historic District and Aircraft viewing are key highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.