Direct flights from Seattle to Santa Rosa SEA → STS

Alaska Airlines flies nonstop from Seattle (SEA) to Santa Rosa (STS), daily. The flight takes about 1h 47m and covers 618 miles (995 km). Round-trip fares typically run around $317. Arrivals run on time 80.8% at SEA and 86.0% at STS — BTS data for the last three months, counting arrivals within 15 minutes of schedule. Fares last checked 18 August 2026.

60-day flexibility overview based on 109 recent fares across the next 60 days

Cheapest
$197
Typical
$317
Most expensive
$412

What flexibility is worth here

Flying in September rather than August typically saves $122 on SEA → STS.

  • Aug 2026 $439
  • Sep 2026 $317
  • Oct 2026 $317
  • Nov 2026 $317

Typical round-trip fare by departure month, across the 4 months we currently track.

How long you stay changes it too

  • 1–5 nights $397
  • 6–9 nights $257
  • 10–16 nights $317
  • 17+ nights $217

Staying 17+ nights typically costs $180 less than 1–5 nights.

Most people pick dates first and see the price second. We watch every date combination on this route and tell you when a good one gets cheap. Watch SEA → STS →

Prices last updated 12 days ago. Fares change frequently — check the airline for current pricing.

📅 See every upcoming weekend on SEA → STS, ranked by price

🔔 Watch SEA → STS

We re-run this search daily and email you the moment the price drops below typical.

Free · checked daily · one-click unsubscribe

Alaska Airlines AS

Departure Schedule typical week

Typical weekly schedule · 7 flights per week · Updated 86d ago

Alaska Airlines
7 flights per week
Daily
10:09

More nonstops from Seattle

SEA → LAX Los Angeles 7 airlines SEA → PHX Phoenix 7 airlines SEA → DEN Denver 6 airlines SEA → LAS Las Vegas 5 airlines SEA → BOS Boston 4 airlines SEA → ONT Ontario 4 airlines SEA → ORD Chicago 4 airlines SEA → PDX Portland 4 airlines

Frequently asked questions

Is there a direct flight from Seattle to Santa Rosa?

Yes, Alaska Airlines operates nonstop flights from Seattle (SEA) to Santa Rosa (STS).

Which airlines fly direct from Seattle to Santa Rosa?

Alaska Airlines operates nonstop flights from Seattle to Santa Rosa.

How long is the flight from Seattle to Santa Rosa?

The nonstop flight from Seattle to Santa Rosa takes ~1h 47m (approximately 995 km).

How often do direct flights operate from Seattle to Santa Rosa?

Nonstop flights from Seattle to Santa Rosa operate daily — 7 flights per week.

What is the on-time performance for flights from Seattle to Santa Rosa?

Arrivals run on time 80.8% at SEA and 86.0% at STS — BTS data for the last three months, counting arrivals within 15 minutes of schedule.

What days of the week are there direct flights from Seattle to Santa Rosa?

Direct flights from Seattle to Santa Rosa operate every day of the week.

How much is a round-trip flight from Seattle to Santa Rosa?

Round-trip flights from Seattle (SEA) to Santa Rosa (STS) start at $197, with a typical fare around $317. Based on 109 recent fare combinations.

What is the cheapest month to fly from Seattle to Santa Rosa?

Across the 4 departure months we currently track, September 2026 is the cheapest month to fly round trip from Seattle to Santa Rosa, with typical fares around $317 — versus about $439 in August 2026, the most expensive.

Does trip length change the round-trip fare from Seattle to Santa Rosa?

Typical round-trip fares from Seattle (SEA) to Santa Rosa (STS) by trip length: a short trip (1–5 nights) about $397, a week away (6–9 nights) about $257, around two weeks (10–16 nights) about $317, and a longer stay (17+ nights) about $217. Medians from 109 recent fare combinations.

Explore More

SEA All direct flights from Seattle STS All direct flights from Santa Rosa STS → SEA Return: Santa Rosa to Seattle

Scout — our search agent — hunts nonstop fares from Seattle every night and pings you when one's worth booking.

Watch it work →