Fly SFO to SEA: The Best Flight Deals to the Emerald City
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: SFO → SEA
Based on 6 months of fare data collected by Trip Manta.
Lowest Fare
$94
Highest Fare
$212
Median Fare
$164
Price Spread
$118
Prices vary significantly — hourly tracking is especially valuable here.
Cheapest month to fly: May 2026 (from $94)
Most expensive month: July 2026 (from $212)
Biggest price drop caught: $65 between consecutive checks
Most frequent cheapest airline: Alaska
What This Means for You
Flights from San Francisco to Seattle range from $94 to $212, a $118 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 $65 between hourly checks on this route.
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From
San Francisco (SFO)
To
Seattle (SEA)
Airport Information
San Francisco (SFO)
San Francisco International Airport (SFO) serves as the primary gateway for the Bay Area, located about 13 miles south of downtown San Francisco. As a major hub for United Airlines and Alaska Airlines, it offers top-tier amenities including diverse dining options that reflect the local culinary scene, free Wi-Fi, and multiple passenger lounges. The airport is easily accessible via the BART rapid transit system, which connects directly to the International Terminal for a seamless commute from the city.
Seattle (SEA)
Seattle-Tacoma International Airport (SEA), often referred to as Sea-Tac, is located roughly 14 miles south of downtown Seattle. It serves as a massive hub for Delta Air Lines and Alaska Airlines, offering a wide range of services including live music performances, an extensive art program, and numerous local Pacific Northwest eateries. Travelers can easily reach the city center using the Link Light Rail, which provides a cost-effective and efficient way to avoid the region's notorious highway traffic during peak hours.
Frequently Asked Questions
How long is the flight from SFO to Seattle?
The average direct flight time from San Francisco to Seattle is approximately 2 hours and 10 minutes, covering a distance of about 680 miles.
Which airlines fly nonstop from SFO to SEA?
Major carriers providing frequent nonstop service include Alaska Airlines, United Airlines, and Delta Air Lines, with numerous departures scheduled throughout the day.
Do I need a passport for this flight?
No, since both San Francisco and Seattle are within the United States, a valid government-issued photo ID like a driver's license or a REAL ID is sufficient for domestic travel.
Is there a time difference between San Francisco and Seattle?
No, both cities are located within the Pacific Time Zone, so you will not need to adjust your watch or worry about jet lag upon arrival.
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