San Francisco (SFO) to Seattle (SEA) is about 679 miles (1,093 km), roughly 1 h 50 min of flying time. Seattle is on the same time as San Francisco all year.
When is the cheapest time to fly from San Francisco to Seattle?
Lowest round-trip fares found in recent searches for each month (7 to 14 day trips). Pick a cheap month, then confirm the live price.
Are there nearby airports that could be cheaper?
Fares at a neighboring airport are sometimes lower. Worth comparing on this route:
- OAKOakland San Francisco Bay Airport across the bay in Oakland.
- SJCSan José Mineta International Airport serves San José and Silicon Valley.
- PAEPaine Field a small commercial terminal in Everett, north of Seattle.
What ID do I need for this flight?
For domestic US flights, adults need a REAL ID-compliant license or another TSA-accepted ID, such as a passport. Read our REAL ID guide.
Need a car in Seattle?
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Things to do in Seattle
Popular attractions and tickets, most with free cancellation.
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Frequently asked questions
How far is San Francisco from Seattle by plane?
The great-circle distance between SFO and SEA is about 679 miles (1,093 km).
How long does it take to fly from San Francisco to Seattle?
About 1 h 50 min of flying time based on distance, if a nonstop flight operates. Actual schedules vary by airline and wind, and itineraries with connections take longer.
What is the time difference between San Francisco and Seattle?
Seattle is on the same time as San Francisco all year.
Distance and flying time are calculated from airport coordinates (OurAirports data) and a typical cruise speed; they are planning estimates, not schedules. Updated 2026-10-28.
