Direct flights from San Francisco to Seattle SFO → SEA
Alaska Airlines, Delta Air Lines, Southwest Airlines and United Airlines fly nonstop from San Francisco (SFO) to Seattle (SEA), several times daily. The flight takes about 1h 54m and covers 679 miles (1,093 km). Round-trip fares typically run around $184. Arrivals run on time 64.6% at SFO and 80.8% at SEA — BTS data for the last three months, counting arrivals within 15 minutes of schedule. Fares last checked 24 August 2026.
60-day flexibility overview based on 715 recent fares across the next 60 days
What flexibility is worth here
Flying in November rather than September typically saves $40 on SFO → SEA.
Typical round-trip fare by departure month, across the 3 months we currently track.
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Alaska Airlines
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Delta Air Lines
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United Airlines
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Departure Schedule typical week
Typical weekly schedule · 124 flights per week (~18 per day) · Updated 51d ago
Alaska Airlines
Delta Air Lines
United Airlines
Frequently asked questions
Is there a direct flight from San Francisco to Seattle?
Yes, Alaska Airlines, Delta Air Lines and 2 more airlines operate nonstop flights from San Francisco (SFO) to Seattle (SEA).
Which airlines fly direct from San Francisco to Seattle?
Alaska Airlines, Delta Air Lines, Southwest Airlines, United Airlines operate nonstop flights from San Francisco to Seattle.
How long is the flight from San Francisco to Seattle?
The nonstop flight from San Francisco to Seattle takes ~1h 54m (approximately 1093 km).
How often do direct flights operate from San Francisco to Seattle?
Nonstop flights from San Francisco to Seattle operate multiple daily — 124 flights per week (~18 per day).
What is the on-time performance for flights from San Francisco to Seattle?
Arrivals run on time 64.6% at SFO and 80.8% at SEA — BTS data for the last three months, counting arrivals within 15 minutes of schedule.
What days of the week are there direct flights from San Francisco to Seattle?
Direct flights from San Francisco to Seattle operate every day of the week. Alaska Airlines flies daily, Delta Air Lines flies daily, and United Airlines flies daily.
How much is a round-trip flight from San Francisco to Seattle?
Round-trip flights from San Francisco (SFO) to Seattle (SEA) start at $117, with a typical fare around $184. Based on 715 recent fare combinations.
What is the cheapest month to fly from San Francisco to Seattle?
Across the 3 departure months we currently track, November 2026 is the cheapest month to fly round trip from San Francisco to Seattle, with typical fares around $157 — versus about $197 in September 2026, the most expensive.
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