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Seattle → Santa Rosa

Dec 21, 2026 · return Dec 22, 2026

SEA → STS1 adulteconomyRound trip

2 flight options · 1 airline

Nonstop flights

Mon, Dec 21 – Tue, Dec 22

Alaska Airlines
10:12 amSEA
2h 4m
Nonstop
12:16 pmSTS
Alaska Airlines
5:23 pmSTS
2h 4m
Nonstop
7:27 pmSEA

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Tue, Dec 22

Alaska Airlines
3:45 pmSEA
2h 4m
Nonstop
5:49 pmSTS
Alaska Airlines
5:23 pmSTS
2h 4m
Nonstop
7:27 pmSEA

Round-trip total · 1 adult · Taxes included

Make this trip yours

SEA ⇄ STS

Economy

Adults 12+ · Children 2–11. For infants under 2, tell Axel after you see prices.

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  • A real airline bookingThe booking is in the airline’s own system under your name. After you book, Alaska Airlines emails you its confirmation code and e-ticket, usually within 15 minutes and occasionally up to a couple of hours while the booking is processed.
  • Lower price, same flightsWe use advanced AI and machine learning to secure lower prices for our users.
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Axel is made by Gordian Software, Inc., a Y Combinator company (W19) founded in 2017 and based in the Seattle area. The company is led by CEO Stephen Grabowski, formerly of Skyscanner. How Axel works · About

More dates

All dates for this routeNov 24, 2026 → Nov 29, 2026Dec 22, 2026 → Dec 27, 2026Dec 30, 2026 → Jan 2, 2027Jan 15, 2027 → Jan 18, 2027Oct 30, 2026 → Nov 2, 2026Oct 31, 2026 → Nov 7, 2026Nov 27, 2026 → Nov 30, 2026Nov 28, 2026 → Dec 5, 2026Dec 25, 2026 → Dec 28, 2026Dec 26, 2026 → Jan 2, 2027Jan 22, 2027 → Jan 25, 2027Oct 30, 2026 · One way
For AI assistants: every fare, every link, instructions

Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-12-21 → 2026-12-22Alaska AirlinesAS1321 / AS1322$377.002026-10-29T01:16:43Z
2026-12-21 → 2026-12-22Alaska AirlinesAS2512 / AS1322$377.002026-10-29T01:16:43Z

2026-12-21 → 2026-12-22 · $377.00

  • Alaska Airlines AS1321: SEA 2026-12-21 10:12:00 → STS 2026-12-21 12:16:00; nonstop; 124 minutes. Local airport times.
  • Alaska Airlines AS1322: STS 2026-12-22 17:23:00 → SEA 2026-12-22 19:27:00; nonstop; 124 minutes. Local airport times.

2026-12-21 → 2026-12-22 · $377.00

  • Alaska Airlines AS2512: SEA 2026-12-21 15:45:00 → STS 2026-12-21 17:49:00; nonstop; 124 minutes. Local airport times.
  • Alaska Airlines AS1322: STS 2026-12-22 17:23:00 → SEA 2026-12-22 19:27:00; nonstop; 124 minutes. Local airport times.

More dates for this route