Affordable Nonstop Flights from SEA to SFO: Your Pacific Coast Travel Guide
Cheapest flight found
$94
Last updated Mar 13, 2026
Prices by Month
Price History
Tracking the May 7, 2026 departure — the cheapest date we found.
Price Behavior: SEA → SFO
Based on 6 months of fare data collected by Trip Manta.
Lowest Fare
$94
Highest Fare
$204
Median Fare
$164
Price Spread
$110
Prices vary significantly — hourly tracking is especially valuable here.
Cheapest month to fly: May 2026 (from $94)
Most expensive month: April 2026 (from $204)
Biggest price drop caught: $60 between consecutive checks
Most frequent cheapest airline: Alaska
What This Means for You
Flights from Seattle to San Francisco range from $94 to $204, a $110 spread across the months we track. If your dates are flexible, May 2026 tends to have the lowest fares. Because prices on this route change significantly, setting up hourly price alerts gives you the best chance of catching a short-lived drop before it corrects. We have caught drops as large as $60 between hourly checks on this route.
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From
Seattle (SEA)
To
San Francisco (SFO)
Airport Information
Seattle (SEA)
Seattle-Tacoma International Airport (SEA), commonly known as Sea-Tac, serves as the primary international gateway for the Pacific Northwest. As a major hub for Alaska Airlines and Delta Air Lines, the airport offers a sophisticated array of amenities, including high-speed Wi-Fi, numerous local coffee roasters like Starbucks and Caffé Vita, and an impressive collection of public art. Travelers can easily reach the terminal via the Link Light Rail from downtown Seattle, making it one of the most accessible major airports in the United States.
San Francisco (SFO)
San Francisco International Airport (SFO) is a world-class facility located roughly 13 miles south of downtown San Francisco. It is renowned for its sustainable architecture, high-end dining options, and the unique SFO Museum which features rotating art exhibitions throughout the terminals. As a primary hub for United Airlines, SFO provides seamless connections to both domestic and international destinations. Passengers can utilize the AirTrain to move between terminals or jump on a BART train for a direct, traffic-free ride into the city center or across the bay to Oakland.
Frequently Asked Questions
How long is the flight from Seattle to San Francisco?
The average flight time is approximately 2 hours and 10 minutes, covering a distance of about 678 miles.
Which airlines fly nonstop from SEA to SFO?
Major carriers offering direct service include Alaska Airlines, Delta Air Lines, and United Airlines, providing dozens of daily options.
Is there a time difference between Seattle and San Francisco?
No, both cities are located in the Pacific Time Zone, so you will not need to adjust your watch upon arrival.
What is the best way to get from SFO to downtown San Francisco?
Taking the BART (Bay Area Rapid Transit) train is the most efficient method, costing around $10 and taking about 30 minutes to reach the city center.
When should I arrive at Sea-Tac for my flight?
It is recommended to arrive at least 2 hours before your scheduled departure to allow for security screening, especially during peak morning hours.
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Our Methodology
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How Often Do Prices Drop?
Data study: drop frequency, average savings, and how long drops last.
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