San Diego (SAN) to Santa Rosa (STS) flights
2 airlines fly nonstop from San Diego (SAN) to Santa Rosa (STS): Alaska Airlines and Southwest Airlines. The two airports are 508 miles (818 km) apart. Alaska Airlines is in oneworld. There are also 6 ways to fly it with one stop, through Los Angeles, Las Vegas and Phoenix and more.
Airlines flying nonstop from SAN to STS
- Alaska Airlinesoneworld · bookable with 9 programsWho books it
- Southwest AirlinesNot in an allianceWho books it
Book SAN to STS with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Alaska Atmos RewardsBooks Alaska Airlines
- American AAdvantageBooks Alaska Airlines
- British Airways ClubBooks Alaska Airlines
- Cathay Pacific Asia MilesBooks Alaska Airlines
- Finnair PlusBooks Alaska Airlines
- Iberia ClubBooks Alaska Airlines
- JAL Mileage BankBooks Alaska Airlines
- Qantas Frequent FlyerBooks Alaska Airlines
- Qatar Airways Privilege ClubBooks Alaska Airlines
SAN to STS with one stop
6 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Los Angeles (LAX)Delta Air Lines and United Airlines, then Alaska Airlines
- Via Las Vegas (LAS)Southwest Airlines and Alaska Airlines the whole way+1
- Via Phoenix (PHX)American Airlines and Alaska Airlines the whole way
+1 - Via Salt Lake City (SLC)Delta Air Lines the whole way
- Via Boise (BOI)Alaska Airlines the whole way
- Via Portland (PDX)Alaska Airlines the whole way
SAN to STS: common questions
Which airlines fly nonstop from SAN to STS?
Alaska Airlines (oneworld) and Southwest Airlines fly nonstop from San Diego (SAN) to Santa Rosa (STS).
How far is San Diego from Santa Rosa by plane?
San Diego (SAN) and Santa Rosa (STS) are 508 miles (818 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book SAN to STS award flights?
9 programs can book at least one of the nonstop airlines: Alaska Atmos Rewards, American AAdvantage, British Airways Club, Cathay Pacific Asia Miles, Finnair Plus, Iberia Club, JAL Mileage Bank, Qantas Frequent Flyer and 1 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does SAN 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 SAN to STS with taxes and fees.
Where can I connect between San Diego and Santa Rosa?
The most direct connections are through Los Angeles (LAX), Las Vegas (LAS), Phoenix (PHX), Salt Lake City (SLC) and Boise (BOI). On 5 of them the same airline flies both flights, for example Southwest Airlines through Las Vegas.
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.