2 airlines fly this route, with up to 15 flights a day.
SFOSan Francisco International
679 mi · 98 flights a week
SEASeattle-Tacoma International
SFOSEA
When they leave
San Francisco time
6:03a9:46pFirst departure 6:03 AM, last 9:46 PM
Six in the morning, 6:03 AM to 10:40 AM, then four in the afternoon, 12:27 PM to 3:50 PM, then five in the evening, 5:36 PM to 9:46 PM.
Every flight
Earliest first
6:03 AM→8:13 AMAlaska AirlinesUntil Nov 11, back Jan 11, 2027Boeing 737Daily
6:20 AM→8:31 AMDelta Air LinesUntil Jan 10, 2027, back Mar 12, 2027Airbus A220-300Daily
7:03 AM→9:13 AMAlaska AirlinesUntil Nov 11, back Jan 11, 2027Boeing 737Daily
9:00 AM→11:15 AMAlaska AirlinesUntil Nov 11, back Jan 11, 2027Boeing 737 MAX 9Daily
10:18 AM→12:27 PMAlaska AirlinesUntil Nov 11, back Jan 11, 2027Boeing 737Mon, Tue, Wed, Thu, Fri, Sun
10:40 AM→12:51 PMDelta Air LinesUntil Jan 10, 2027, back Mar 12, 2027Boeing 737Daily
12:27 PM→2:35 PMAlaska AirlinesUntil Nov 11, back Jan 11, 2027Boeing 737Daily
2:00 PM→4:13 PMDelta Air LinesUntil Jan 10, 2027, back Mar 12, 2027Airbus A220-300Daily
2:20 PM→4:31 PMAlaska AirlinesUntil Nov 11, back Jan 11, 2027Boeing 737Daily
3:50 PM→6:00 PMAlaska AirlinesUntil Nov 11, back Jan 11, 2027Boeing 737Daily
5:36 PM→7:55 PMDelta Air LinesUntil Jan 10, 2027, back Mar 12, 2027Embraer 175Daily
5:38 PM→7:47 PMAlaska AirlinesUntil Nov 11, back Jan 11, 2027Boeing 737Daily
8:28 PM→10:41 PMAlaska AirlinesUntil Nov 11, back Jan 11, 2027Boeing 737Daily
8:59 PM→11:19 PMDelta Air LinesUntil Jan 10, 2027, back Mar 12, 2027Embraer 175Daily
9:46 PM→11:59 PMAlaska AirlinesUntil Nov 11, back Jan 11, 2027Boeing 737Sun
Schedules last checked Sep 19, 2026. Times are local.
Flying from San Francisco to Seattle
Alaska Airlines flies most often, 8 to 10 times a day on the Boeing 737 and Boeing 737 MAX 9. Delta Air Lines flies 5 times a day on the Airbus A220-300, Embraer 175 and Boeing 737.
Flights run every day of the week, from 13 on Saturdays to 15 on Sundays. The first arrival in Seattle is at 8:13 AM and the last at 11:59 PM. The flight covers 679 miles.
Alaska Airlines flies it until Nov 11 and is back on Jan 11, 2027. Delta Air Lines flies it until Jan 10, 2027 and is back on Mar 12, 2027. United Airlines stopped flying it after Sep 12.