Flights Seattle → San Francisco — September 13, 2026

One way · Economy · 1 adult · price per person

The cheapest flight observed for Sunday, September 13, 2026 on the Seattle–San Francisco route: United Airlines UA499, from Seattle-Tacoma (SEA) to San Francisco International (SFO), departs 7:00 AM, arrives 9:18 AM, direct, 2h 18m, $164 per person. Fare as listed by Aviasales: carry-on bag not included (personal item only), checked bag not included, changes not allowed, non-refundable. Price found in an Aviasales search on September 9, 2026 and read by AirSource on September 10, 2026, 20:48 UTC: it is not guaranteed and is confirmed on Aviasales at booking time.

Lowest price observed in the available data

United Airlines UA499

Direct · Seattle-Tacoma (SEA) → San Francisco International (SFO)

Direct

7:00 AM

Sun, Sep 13

Seattle-Tacoma (SEA)

2h 18m

direct

9:18 AM

Sun, Sep 13

San Francisco International (SFO)

Airline: United Airlines (UA)
Flight: UA499
Departure: Seattle-Tacoma (SEA) · September 13, 2026 · 7:00 AM local time (UTC-7)
Arrival: San Francisco International (SFO) · September 13, 2026 · 9:18 AM local time (UTC-7)
Stops: Direct (no plane change, as stated by the source; it can include a stop)
Duration: 2h 18m
Carry-on bag: not included (personal item only)
Checked bag: not included
Changes: not allowed
Refund: non-refundable
Last observed price: $164 per person, one way
Observed: Price and fare conditions found in an Aviasales search on September 9, 2026 · read by AirSource on September 10, 2026, 20:48 UTC

Looking for other times? All Seattle–San Francisco flights on September 13, 2026 on Aviasales.

Lowest price observed in the available data

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