Denver (DEN) to Santa Rosa (STS) flights
One airline flies nonstop from Denver (DEN) to Santa Rosa (STS): Southwest Airlines. The two airports are 974 miles (1,567 km) apart. There are also 12 ways to fly it with one stop, through Salt Lake City, Las Vegas and Boise and more.
Airlines flying nonstop from DEN to STS
- Southwest AirlinesNot in an allianceWho books it
DEN to STS with one stop
12 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Salt Lake City (SLC)Delta Air Lines the whole way
+1
- Via Las Vegas (LAS)Southwest Airlines the whole way
- Via Boise (BOI)Frontier Airlines, United Airlines and 1 more, then Alaska Airlines
- Via Burbank (BUR)Southwest Airlines the whole way
- Via Ontario (ONT)Frontier Airlines, United Airlines and 1 more, then Alaska Airlines
- Via Palm Springs (PSP)United Airlines and Southwest Airlines, then Alaska Airlines
- Via Los Angeles (LAX)American Airlines, Delta Air Lines and 3 more, then Alaska Airlines
+2 - Via Santa Ana (SNA)Frontier Airlines, United Airlines and 1 more, then Alaska Airlines
- Via Phoenix (PHX)American Airlines the whole way+1
- Via San Diego (SAN)Southwest Airlines and Alaska Airlines the whole way+1
- Via Portland (PDX)Alaska Airlines the whole way+1
- Via Seattle (SEA)Alaska Airlines the whole way+3
DEN to STS: common questions
Which airlines fly nonstop from DEN to STS?
Southwest Airlines flies nonstop from Denver (DEN) to Santa Rosa (STS).
How far is Denver from Santa Rosa by plane?
Denver (DEN) and Santa Rosa (STS) are 974 miles (1,567 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
How many miles does DEN to STS cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for DEN to STS with taxes and fees.
Where can I connect between Denver and Santa Rosa?
The most direct connections are through Salt Lake City (SLC), Las Vegas (LAS), Boise (BOI), Burbank (BUR) and Ontario (ONT). On 7 of them the same airline flies both flights, for example Delta Air Lines through Salt Lake City.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.