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Seattle → Santa Rosa

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SEA → STS1 adulteconomy

40 flight options · 1 airline

Flights for the months ahead

Short round trips

  1. Fri, Oct 30 – Mon, Nov 2

    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

  2. Fri, Dec 11 – Mon, Dec 14

    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

  3. Fri, Jan 15 – Mon, Jan 18

    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

  4. Fri, Apr 30 – Mon, May 3

    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

  5. Fri, Jun 25 – Mon, Jun 28

    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

  6. Fri, Sep 17 – Mon, Sep 20

    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

Swipe to see 5 more recent deals.

1 of 6

Longer round trips

  1. Sat, Nov 14 – Sat, Nov 21

    Alaska Airlines
    9:48 pmSEA
    2h 11m
    Nonstop
    11:59 pmSTS
    Alaska Airlines
    5:23 pmSTS
    2h 4m
    Nonstop
    7:27 pmSEA

    Round-trip total · 1 adult · Taxes included

  2. Sat, Dec 26 – Sat, Jan 2

    Alaska Airlines
    9:48 pmSEA
    2h 11m
    Nonstop
    11:59 pmSTS
    Alaska Airlines
    5:23 pmSTS
    2h 4m
    Nonstop
    7:27 pmSEA

    Round-trip total · 1 adult · Taxes included

  3. Sat, Feb 6 – Sat, Feb 13

    Alaska Airlines
    9:48 pmSEA
    2h 11m
    Nonstop
    11:59 pmSTS
    Alaska Airlines
    5:23 pmSTS
    2h 4m
    Nonstop
    7:27 pmSEA

    Round-trip total · 1 adult · Taxes included

  4. Sat, Mar 6 – Sat, Mar 13

    Alaska Airlines
    9:48 pmSEA
    2h 11m
    Nonstop
    11:59 pmSTS
    Alaska Airlines
    5:23 pmSTS
    2h 4m
    Nonstop
    7:27 pmSEA

    Round-trip total · 1 adult · Taxes included

  5. Sat, Jul 24 – Sat, Jul 31

    Alaska Airlines
    9:48 pmSEA
    2h 11m
    Nonstop
    11:59 pmSTS
    Alaska Airlines
    5:23 pmSTS
    2h 4m
    Nonstop
    7:27 pmSEA

    Round-trip total · 1 adult · Taxes included

Swipe to see 4 more recent deals.

1 of 5

One-way flights

  1. Fri, Oct 30 · One way

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

    One-way total · 1 adult · Taxes included

Explore flights by month

Round trips for weekends, longer stays and holidays. Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

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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Why book with Axel
  • 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.
  • 24-hour cancellationCancel within 24 hours of booking for a full refund when your departure is at least 7 days away. Closer to departure, the airline’s fare rules apply. Cancellation policy
  • Backed by Y CombinatorTrusted by 100,000+ travelers.

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

Oct 30, 2026 → Nov 2, 2026Oct 31, 2026 → Nov 7, 2026Nov 13, 2026 → Nov 16, 2026Nov 14, 2026 → Nov 21, 2026Nov 24, 2026 → Nov 29, 2026Nov 27, 2026 → Nov 30, 2026Nov 28, 2026 → Dec 5, 2026Dec 11, 2026 → Dec 14, 2026Dec 12, 2026 → Dec 19, 2026Dec 22, 2026 → Dec 27, 2026Dec 25, 2026 → Dec 28, 2026Dec 26, 2026 → Jan 2, 2027Dec 30, 2026 → Jan 2, 2027Jan 8, 2027 → Jan 11, 2027Jan 9, 2027 → Jan 16, 2027Jan 15, 2027 → Jan 18, 2027Jan 22, 2027 → Jan 25, 2027Jan 23, 2027 → Jan 30, 2027Feb 5, 2027 → Feb 8, 2027Feb 6, 2027 → Feb 13, 2027Feb 12, 2027 → Feb 15, 2027Mar 5, 2027 → Mar 8, 2027Mar 6, 2027 → Mar 13, 2027Mar 25, 2027 → Mar 29, 2027Apr 2, 2027 → Apr 5, 2027Apr 3, 2027 → Apr 10, 2027Apr 30, 2027 → May 3, 2027May 1, 2027 → May 8, 2027May 28, 2027 → May 31, 2027May 29, 2027 → Jun 5, 2027Jun 25, 2027 → Jun 28, 2027Jun 26, 2027 → Jul 3, 2027Jul 2, 2027 → Jul 6, 2027Jul 23, 2027 → Jul 26, 2027Jul 24, 2027 → Jul 31, 2027Aug 20, 2027 → Aug 23, 2027Aug 21, 2027 → Aug 28, 2027Sep 3, 2027 → Sep 6, 2027Sep 17, 2027 → Sep 20, 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.

October 2026

Travel datesAirlineStopsTotal price
Oct 30 · One wayAlaska AirlinesNonstop$155.00
Oct 30 – Nov 2 · 3 nightsAlaska AirlinesNonstop$290.00
Oct 31 – Nov 7 · 7 nightsAlaska AirlinesNonstop$290.00

November 2026

Travel datesAirlineStopsTotal price
Nov 13 – Nov 16 · 3 nightsAlaska AirlinesNonstop$290.00
Nov 14 – Nov 21 · 7 nightsAlaska AirlinesNonstop$290.00
Nov 24 – Nov 29 · 5 nightsAlaska AirlinesNonstop$377.00
Nov 27 – Nov 30 · 3 nightsAlaska AirlinesNonstop$377.00
Nov 28 – Dec 5 · 7 nightsAlaska AirlinesNonstop$333.50

December 2026

Travel datesAirlineStopsTotal price
Dec 11 – Dec 14 · 3 nightsAlaska AirlinesNonstop$290.00
Dec 12 – Dec 19 · 7 nightsAlaska AirlinesNonstop$333.50
Dec 22 – Dec 27 · 5 nightsAlaska AirlinesNonstop$377.00
Dec 25 – Dec 28 · 3 nightsAlaska AirlinesNonstop$362.50
Dec 26 – Jan 2 · 7 nightsAlaska AirlinesNonstop$353.80
Dec 30 – Jan 2 · 3 nightsAlaska AirlinesNonstop$339.30

January 2027

Travel datesAirlineStopsTotal price
Jan 8 – Jan 11 · 3 nightsAlaska AirlinesNonstop$275.50
Jan 9 – Jan 16 · 7 nightsAlaska AirlinesNonstop$275.50
Jan 15 – Jan 18 · 3 nightsAlaska AirlinesNonstop$275.50
Jan 22 – Jan 25 · 3 nightsAlaska AirlinesNonstop$275.50
Jan 23 – Jan 30 · 7 nightsAlaska AirlinesNonstop$275.50

February 2027

Travel datesAirlineStopsTotal price
Feb 5 – Feb 8 · 3 nightsAlaska AirlinesNonstop$290.00
Feb 6 – Feb 13 · 7 nightsAlaska AirlinesNonstop$290.00
Feb 12 – Feb 15 · 3 nightsAlaska AirlinesNonstop$290.00

March 2027

Travel datesAirlineStopsTotal price
Mar 5 – Mar 8 · 3 nightsAlaska AirlinesNonstop$290.00
Mar 6 – Mar 13 · 7 nightsAlaska AirlinesNonstop$290.00
Mar 25 – Mar 29 · 4 nightsAlaska AirlinesNonstop$370.88

April 2027

Travel datesAirlineStopsTotal price
Apr 2 – Apr 5 · 3 nightsAlaska AirlinesNonstop$355.00
Apr 3 – Apr 10 · 7 nightsAlaska AirlinesNonstop$355.00
Apr 30 – May 3 · 3 nightsAlaska AirlinesNonstop$355.00

May 2027

Travel datesAirlineStopsTotal price
May 1 – May 8 · 7 nightsAlaska AirlinesNonstop$355.00
May 28 – May 31 · 3 nightsAlaska AirlinesNonstop$408.26
May 29 – Jun 5 · 7 nightsAlaska AirlinesNonstop$381.63

June 2027

Travel datesAirlineStopsTotal price
Jun 25 – Jun 28 · 3 nightsAlaska AirlinesNonstop$355.00
Jun 26 – Jul 3 · 7 nightsAlaska AirlinesNonstop$390.50

July 2027

Travel datesAirlineStopsTotal price
Jul 2 – Jul 6 · 4 nightsAlaska AirlinesNonstop$426.00
Jul 23 – Jul 26 · 3 nightsAlaska AirlinesNonstop$355.00
Jul 24 – Jul 31 · 7 nightsAlaska AirlinesNonstop$355.00

August 2027

Travel datesAirlineStopsTotal price
Aug 20 – Aug 23 · 3 nightsAlaska AirlinesNonstop$355.00
Aug 21 – Aug 28 · 7 nightsAlaska AirlinesNonstop$355.00

September 2027

Travel datesAirlineStopsTotal price
Sep 3 – Sep 6 · 3 nightsAlaska AirlinesNonstop$447.30
Sep 17 – Sep 20 · 3 nightsAlaska AirlinesNonstop$372.76

2026-10-30 · one way · $155.00

  • Alaska Airlines AS2512: SEA 2026-10-30 15:45:00 → STS 2026-10-30 17:49:00; nonstop; 124 minutes. Local airport times.

2026-10-30 → 2026-11-02 · $290.00

  • Alaska Airlines AS2512: SEA 2026-10-30 15:45:00 → STS 2026-10-30 17:49:00; nonstop; 124 minutes. Local airport times.
  • Alaska Airlines AS1322: STS 2026-11-02 17:23:00 → SEA 2026-11-02 19:27:00; nonstop; 124 minutes. Local airport times.

2026-11-14 → 2026-11-21 · $290.00

  • Alaska Airlines AS2356: SEA 2026-11-14 21:48:00 → STS 2026-11-14 23:59:00; nonstop; 131 minutes. Local airport times.
  • Alaska Airlines AS1322: STS 2026-11-21 17:23:00 → SEA 2026-11-21 19:27:00; nonstop; 124 minutes. Local airport times.

2026-12-11 → 2026-12-14 · $290.00

  • Alaska Airlines AS2512: SEA 2026-12-11 15:45:00 → STS 2026-12-11 17:49:00; nonstop; 124 minutes. Local airport times.
  • Alaska Airlines AS1322: STS 2026-12-14 17:23:00 → SEA 2026-12-14 19:27:00; nonstop; 124 minutes. Local airport times.

2026-12-26 → 2027-01-02 · $353.80

  • Alaska Airlines AS2356: SEA 2026-12-26 21:48:00 → STS 2026-12-26 23:59:00; nonstop; 131 minutes. Local airport times.
  • Alaska Airlines AS1322: STS 2027-01-02 17:23:00 → SEA 2027-01-02 19:27:00; nonstop; 124 minutes. Local airport times.

2027-01-15 → 2027-01-18 · $275.50

  • Alaska Airlines AS2512: SEA 2027-01-15 15:45:00 → STS 2027-01-15 17:49:00; nonstop; 124 minutes. Local airport times.
  • Alaska Airlines AS1322: STS 2027-01-18 17:23:00 → SEA 2027-01-18 19:27:00; nonstop; 124 minutes. Local airport times.

2027-02-06 → 2027-02-13 · $290.00

  • Alaska Airlines AS2356: SEA 2027-02-06 21:48:00 → STS 2027-02-06 23:59:00; nonstop; 131 minutes. Local airport times.
  • Alaska Airlines AS1322: STS 2027-02-13 17:23:00 → SEA 2027-02-13 19:27:00; nonstop; 124 minutes. Local airport times.

2027-03-06 → 2027-03-13 · $290.00

  • Alaska Airlines AS2356: SEA 2027-03-06 21:48:00 → STS 2027-03-06 23:59:00; nonstop; 131 minutes. Local airport times.
  • Alaska Airlines AS1322: STS 2027-03-13 17:23:00 → SEA 2027-03-13 19:27:00; nonstop; 124 minutes. Local airport times.

2027-04-30 → 2027-05-03 · $355.00

  • Alaska Airlines AS2512: SEA 2027-04-30 15:45:00 → STS 2027-04-30 17:49:00; nonstop; 124 minutes. Local airport times.
  • Alaska Airlines AS1322: STS 2027-05-03 17:23:00 → SEA 2027-05-03 19:27:00; nonstop; 124 minutes. Local airport times.

2027-06-25 → 2027-06-28 · $355.00

  • Alaska Airlines AS2512: SEA 2027-06-25 15:45:00 → STS 2027-06-25 17:49:00; nonstop; 124 minutes. Local airport times.
  • Alaska Airlines AS1322: STS 2027-06-28 17:23:00 → SEA 2027-06-28 19:27:00; nonstop; 124 minutes. Local airport times.

2027-07-24 → 2027-07-31 · $355.00

  • Alaska Airlines AS2356: SEA 2027-07-24 21:48:00 → STS 2027-07-24 23:59:00; nonstop; 131 minutes. Local airport times.
  • Alaska Airlines AS1322: STS 2027-07-31 17:23:00 → SEA 2027-07-31 19:27:00; nonstop; 124 minutes. Local airport times.

2027-09-17 → 2027-09-20 · $372.76

  • Alaska Airlines AS2512: SEA 2027-09-17 15:45:00 → STS 2027-09-17 17:49:00; nonstop; 124 minutes. Local airport times.
  • Alaska Airlines AS1322: STS 2027-09-20 17:23:00 → SEA 2027-09-20 19:27:00; nonstop; 124 minutes. Local airport times.

More dates for this route