Seattle to Santa Rosa (SEA–STS) — Airlines, Schedules & Connections

SEA Airport Page →
618 mi airlines 27/wk
On-time Some delays Frequent delays
Flight Schedule 6 flights Verified 1h ago
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight
  Flight Airline AC Dep Arr Dur OTP Sched  
AS2049
AS Alaska
E75
8:26 AM
MDT
10:30 AM
PDT
2h 4m
M T W T F S S
Prices
HA4966
HA Hawaiian
E75
8:26 AM
MDT
10:30 AM
PDT
2h 4m
M T W T F S S
Prices
AS1480
AS Alaska
73H
4:00 PM
MDT
6:01 PM
PDT
2h 1m
M T W T F S S
Prices
AS2068
AS Alaska
E75
7:46 PM
MDT
9:41 PM
PDT
2h 55m
M T W T F S S
Prices
AS1481
AS Alaska
73H
6:53 PM
PDT
8:58 PM
MDT
2h 5m
M T W T F S S
Prices
AS3037
AS Alaska
E75L
7:57 PM
PDT
10:05 PM
MDT
2h 8m
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...
Seattle to Santa Rosa
2 carriers, 27 flights/week nonstop.
2 Airlines 27 Flights/wk 618 mi 2h 1m nonstop -1h behind 24 1-stop hubs

SEA–STS is served by 2 airlines with nonstop service. Alaska Airlines and Hawaiian Airlines lead the route. The flight covers 618 miles in approximately 2h 1m. Beyond nonstop, 24 hubs offer 1-stop connections.

Airline Landscape

All carriers operating nonstop SEA–STS service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
AS Alaska Airlines 20 73H, E75 2h01-2h55 88% Oneworld
HA Hawaiian Airlines 7 E75 2h04 88%
Aircraft on this route
73H Boeing 737-800 – AS
E75 Embraer E175 – AS, HA
Alliance coverage
Oneworld: AS (20 flights/wk, 74%)
Unaffiliated: HA (7 flights/wk, 26%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Weekly Schedule Pattern

Nonstop flight frequency by day of week, SEA to STS direction.
Mon
4
flights
Tue
4
flights
Wed
3
flights
Thu
4
flights
Fri
4
flights
Sat
4
flights
Sun
4
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
4
Nonstop flights
27
Outbound / wk
11
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for SEA to STS.
1-STOP
One-Stop Connections
24
Hubs
~4h
Fastest
~30h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
594
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
SEA → STS
88%
Generally reliable. Most flights run on time.
Departing
88%
Return
STS → SEA
100%
Generally reliable. Most flights run on time.
Arriving
100%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. SEA delays →

Travel Essentials

Practical planning for this route.
Time Difference
-1h
Santa Rosa is 1 hour behind Seattle.
SEA: MDT · STS: PDT

When it's 6:00 PM in Seattle, it's 5:00 PM in Santa Rosa.
Distance & Flight Time
618 mi / 995 km
Nonstop flight time is approximately 2h 1m to 2h 55m.
Getting to SEA

Link Light Rail runs from downtown Seattle (Westlake station) to the airport in 38 minutes ($3.50 peak). Trains run every 6–12 minutes during peak hours from 5am to 1am. Ride-shares run $30–50 from downtown; SR-99 and I-5 can be heavily congested southbound during afternoon rush (3–7pm).

Sound Transit 574 express bus serves Tacoma ($2.50–4). Sounder commuter rail connects Tacoma to the airport area via a shuttle.

SEA–STS Quick Facts

Key statistics for the Seattle to Santa Rosa route.
Route details
Distance618 mi / 995 km
Flight time2h 1m to 2h 55m
Time difference-1 hour
Airlines (nonstop)2
Weekly flights27 out / 11 return
1-stop connections24 hubs
Origin: SEA
IATA / ICAOSEA / KSEA
TimezoneAmerica/Boise
Passengers/yr52.6M
Elevation433 ft / 132 m
Destination: STS
IATA / ICAOSTS / KSTS
TimezoneAmerica/Los_Angeles
Passengers/yr0.8M
Elevation128 ft / 39 m

Frequently Asked Questions

Common questions about SEA to STS flights.
Nonstop flights from Seattle–Tacoma International Airport to Charles M. Schulz Sonoma County Airport take approximately 2h 1m to 2h 55m. The route covers 618 miles.
2 airlines operate nonstop service: Alaska Airlines and Hawaiian Airlines.
There are approximately 27 nonstop flights per week from SEA to STS. The return direction has about 11 weekly flights.
Yes, 1-stop connections are available through OAK, SMF, SJC, BOI, BZN, SLC, DAL, AUS, MDW, SAT, IND, ORD, BOS, LAX, ONT, PDX, BUR, SAN, DEN, LAS, PHX, SNA, PSP and IAD. These options provide additional schedule flexibility.
Santa Rosa is 1 hour behind Seattle.
Yes, return flights from STS to SEA are available. Use the direction toggle at the top to view the return schedule.
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 SEA to STS

Seattle–Tacoma International Airport (SEA) and Charles M. Schulz Sonoma County Airport (STS) are connected by nonstop service from Alaska Airlines and Hawaiian Airlines. With 27 weekly departures, this is a well served route.

SEA to STS Flight Duration and Schedule

Nonstop flight time from SEA to STS ranges from 2 hours 1 minutes to 2 hours 55 minutes. The route covers a distance of 618 miles (995 km). There are approximately 27 weekly flights outbound and 11 return, totaling 38 flights per week in both directions.

Connecting Options and Alternatives

24 one-stop connections are available, with the fastest taking approximately 4 hours via OAK. Two-stop connections are also available via intermediate hubs.