Santa Rosa to San Diego (STS–SAN) — Airlines, Schedules & Connections

STS Airport Page →
509 mi airlines 25/wk
On-time Some delays Frequent delays
Flight Schedule 11 flights Verified 3h ago
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight
  Flight Airline AC Dep Arr Dur OTP Sched  
WN4140
WN Southwest
7S7
6:00 AM
PDT
7:45 AM
PDT
1h 45m
M T W T F S S
Prices
AS3315
AS Alaska
E75
10:51 AM
PDT
12:35 PM
PDT
1h 44m
M T W T F S S
Prices
WN4525
WN Southwest
7S7
4:40 PM
PDT
6:20 PM
PDT
1h 40m
M T W T F S S
Prices
AS3047
AS Alaska
E75
6:37 PM
PDT
8:24 PM
PDT
1h 47m
M T W T F S S
Prices
AS3445
AS Alaska
E75
7:59 AM
PDT T2
10:03 AM
PDT
2h 4m
M T W T F S S
Prices
WN388
WN Southwest
7S7
8:30 AM
PDT T1
10:20 AM
PDT
1h 50m
M T W T F S S
Prices
AS3272
AS Alaska
E75
4:25 PM
PDT T2
6:22 PM
PDT
1h 57m
M T W T F S S
Prices
AS3409
AS Alaska
E75L
5:00 PM
PDT T2
7:02 PM
PDT
2h 2m
M T W T F S S
Prices
AS3046
AS Alaska
E75
5:06 PM
PDT T2
7:05 PM
PDT
1h 59m
M T W T F S S
Prices
WN2019
WN Southwest
7S7
8:20 PM
PDT T1
10:10 PM
PDT
1h 50m
M T W T F S S
Prices
AS3302
AS Alaska
E75
9:14 PM
PDT T2
11:13 PM
PDT
1h 59m
M T W T F S S
Prices

No flights match your filters.

No nonstop flights on this route. connecting options below.

1-STOP
2-STOP Loading...
Santa Rosa to San Diego
2 carriers, 25 flights/week nonstop.
2 Airlines 25 Flights/wk 509 mi 1h 40m nonstop 17 1-stop hubs

STS–SAN is served by 2 airlines with nonstop service. Alaska Airlines and Southwest Airlines lead the route. The flight covers 509 miles in approximately 1h 40m. Beyond nonstop, 17 hubs offer 1-stop connections.

Airline Landscape

All carriers operating nonstop STS–SAN service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
AS Alaska Airlines 14 E75 1h44-1h47 Oneworld
WN Southwest Airlines 11 7S7 1h40-1h45
Aircraft on this route
7S7 Boeing 737 MAX 7 – WN
E75 Embraer E175 – AS
Alliance coverage
Oneworld: AS (14 flights/wk, 56%)
Unaffiliated: WN (11 flights/wk, 44%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Weekly Schedule Pattern

Nonstop flight frequency by day of week, STS to SAN direction.
Mon
4
flights
Tue
3
flights
Wed
3
flights
Thu
4
flights
Fri
4
flights
Sat
3
flights
Sun
4
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
4
Nonstop flights
25
Outbound / wk
35
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for STS to SAN.
1-STOP
One-Stop Connections
17
Hubs
~3h
Fastest
~21h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
409
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.

On-Time Performance

What to expect at each end of your journey.
Outbound
STS → SAN
85%
Generally reliable. Most flights run on time.
Arriving
85%
Return
SAN → STS
64%
Moderate delays possible. Allow buffer time.
Departing
64%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. SAN delays →

Other ways to reach San Diego from Santa Rosa

Nearby airports with service to San Diego International Airport.
Metric STS→SAN OAK→SAN SFO→SAN
Distance from STS 63 mi 66 mi
Nonstop airlines 2 2 10
Weekly flights 25 104 223
Flight time 1h 40m 1h 25m 1h 18m
Airports within 200 miles of STS with service to San Diego International Airport.

Travel Essentials

Practical planning for this route.
Time Difference
0h
San Diego is 0 hours the same as Santa Rosa.
STS: PDT · SAN: PDT

When it's 6:00 PM in Santa Rosa, it's 6:00 PM in San Diego.
Distance & Flight Time
509 mi / 819 km
Nonstop flight time is approximately 1h 40m to 1h 47m.

STS–SAN Quick Facts

Key statistics for the Santa Rosa to San Diego route.
Route details
Distance509 mi / 819 km
Flight time1h 40m to 1h 47m
Time difference0 hours
Airlines (nonstop)2
Weekly flights25 out / 35 return
1-stop connections17 hubs
Origin: STS
IATA / ICAOSTS / KSTS
TimezoneAmerica/Los_Angeles
Passengers/yr0.8M
Elevation128 ft / 39 m
Destination: SAN
IATA / ICAOSAN / KSAN
TimezoneAmerica/Los_Angeles
Passengers/yr25.6M
Elevation17 ft / 5 m

Frequently Asked Questions

Common questions about STS to SAN flights.
Nonstop flights from Charles M. Schulz Sonoma County Airport to San Diego International Airport take approximately 1h 40m to 1h 47m. The route covers 509 miles.
2 airlines operate nonstop service: Alaska Airlines and Southwest Airlines.
There are approximately 25 nonstop flights per week from STS to SAN. The return direction has about 35 weekly flights.
Yes, 1-stop connections are available through VNY, PSP, SNA, SCF, BFI, SLC, SAT, DAL, MDW, IAD, FLL, LAX, LAS, PDX, PHX, DEN and SEA. These options provide additional schedule flexibility.
Yes, return flights from SAN to STS are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include OAK, SFO and SMF. See the Alternatives section for a full comparison.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from STS to SAN

Charles M. Schulz Sonoma County Airport (STS) and San Diego International Airport (SAN) are connected by nonstop service from Alaska Airlines and Southwest Airlines. With 25 weekly departures, this is a well served route.

STS to SAN Flight Duration and Schedule

Nonstop flight time from STS to SAN ranges from 1 hours 40 minutes to 1 hours 47 minutes. The route covers a distance of 509 miles (819 km). There are approximately 25 weekly flights outbound and 35 return, totaling 60 flights per week in both directions.

Connecting Options and Alternatives

17 one-stop connections are available, with the fastest taking approximately 3 hours via VNY. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Oakland (OAK), San Francisco (SFO) and Sacramento (SMF).