How much is a flight from Seattle Lake Union to San Francisco?

Prices vary based on date, airline, and availability. Compare several options if you're flying between Seattle and San Francisco.

Pick a travel date to see today’s available fares.

Fares change often — checking several times throughout the week can make a big difference. Booking in advance often means access to lower prices for the Seattle Lake Union - San Francisco route.

Which airports serve Seattle and San Francisco?

When planning a trip of about 692 mi, it's a good idea to check flights from surrounding airports too.

• Airports in Seattle: Seattle is connected to 2 airports - Boeing Field, Lake Union.
• Airports in San Francisco: The only active airport in San Francisco is San Francisco.

The closest airport isn’t always the cheapest — it’s worth checking the alternatives too. In some cities, smaller airports offer lower fares than the main ones.

Plan smarter: flights from Seattle Lake Union to San Francisco

Find the flight that fits your plans with Jetcost. You can filter results by stops, agencies, budget, time of day, and airline — all in one search.

Other popular destinations

Travelers flying to United States also checked out: Las Vegas, Los Angeles, Miami, New York City, Orlando.

Comparing offers from multiple agencies helps you find the best price for the same route. You can also spot exclusive deals from individual airlines right in the results list.