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Good to Know: Cheapest and Fastest SEA - SFO Flights
Useful information for finding best airline tickets from Seattle Tacoma International to San Francisco International on your next trip.
Cheapest Round Trip Flight
$602
Frontier Airlines
• 1 stop
• 22h 34m
Oct 10 – Oct 18
The cheapest round trip flight from Seattle to San Francisco (SEA-SFO-SEA) is currently $602
Cheapest One way Flight
$132
American Airlines
• nonstop
• 3h 33m
Oct 08
The cheapest one way flight from Seattle to San Francisco (SEA-SFO) is currently $132
Cheapest Direct Flight
$736
Alaska Airlines
• nonstop
• 22h 34m
Oct 10
The cheapest nonstop flight from Seattle to San Francisco (SEA-SFO) is currently $736
Fastest Flight
3h 33m
The fastest nonstop flight from Seattle to San Francisco (SEA-SFO) takes 3h 33m
Top Airlines Flying from Seattle to San Francisco
Latest Flight Deals from Seattle (SEA) to San Francisco (SFO)
Compare and book low fare round-trip air tickets from Seattle to San Francisco. Ideal for travelers with confirmed return itineraries.
Oct 10 - Oct 18, Economy
Seattle → San Francisco
22h 34m
8:00 PM - 9:54 AM • 1 stop
Seattle → San Francisco
27h 33m
10:19 PM - 3:12 PM • 2 stops
Frontier Airlines
Oct 10 - Oct 18, Economy
Seattle → San Francisco
22h 34m
8:00 PM - 1:32 PM • 1 stop
Seattle → San Francisco
27h 33m
10:19 PM - 3:12 PM • 2 stops
Frontier Airlines
Oct 10 - Oct 18, Economy
Seattle → San Francisco
22h 34m
8:07 AM - 1:24 PM • 1 stop
Seattle → San Francisco
27h 33m
3:21 PM - 5:33 PM • nonstop
Alaska Airlines
Oct 10 - Oct 18, Economy
Seattle → San Francisco
22h 34m
8:27 AM - 2:51 PM • 1 stop
Seattle → San Francisco
27h 33m
9:40 AM - 11:48 AM • nonstop
Alaska Airlines
Oct 10 - Oct 18, Economy
Seattle → San Francisco
22h 34m
8:20 AM - 10:31 AM • nonstop
Seattle → San Francisco
27h 33m
8:46 PM - 11:03 PM • nonstop
Alaska Airlines
Explore competitive one-way airfare options for SEA - SFO flights. Best suited for flexible or open-ended travel plans.
Flying to San Francisco soon? We've surfaced some of the most affordable last-minute flights from Seattle to San Francisco, ideal for urgent plans or spontaneous trips.
Looking for the fastest way to San Francisco? These direct flight options from SEA to SFO offer both convenience and value—no layovers, just straight to your destination.
Oct 10 - Oct 18, Economy
Seattle → San Francisco
22h 34m
8:20 AM - 10:31 AM • nonstop
Seattle → San Francisco
27h 33m
8:46 PM - 11:03 PM • nonstop
Alaska Airlines
Oct 10 - Oct 18, Economy
Seattle → San Francisco
22h 34m
2:16 PM - 4:26 PM • nonstop
Seattle → San Francisco
27h 33m
8:46 PM - 11:03 PM • nonstop
Alaska Airlines
Oct 10 - Oct 18, Economy
Seattle → San Francisco
22h 34m
6:39 AM - 8:49 AM • nonstop
Seattle → San Francisco
27h 33m
11:20 AM - 1:36 PM • nonstop
Alaska Airlines
Oct 10 - Oct 18, Economy
Seattle → San Francisco
22h 34m
11:54 AM - 2:23 PM • nonstop
Seattle → San Francisco
27h 33m
9:40 AM - 11:48 AM • nonstop
Alaska Airlines
Oct 10 - Oct 18, Economy
Seattle → San Francisco
22h 34m
9:59 AM - 12:26 PM • nonstop
Seattle → San Francisco
27h 33m
9:40 AM - 11:48 AM • nonstop
Alaska Airlines
FAQs on Seattle to San Francisco Flights
What are the airports in Seattle?
SEA
What’s the most popular airline flying from SEA to SFO?
The most popular airline flying from Seattle to San Francisco are
Can I fly from SEA to SFO non-stop?
Yes, you can fly SEA to SFO non-stop on
Which airlines fly nonstop between Seattle and San Francisco?
The non-stop flights between Seattle and San Francisco are .
What’s the earliest departure time from SEA to SFO Airport?
The earliest flight leaves SEA at 6:39 am and lands in SFO - San Francisco International
What are the airports in San Francisco?
SFO
Can I make changes to my Seattle to San Francisco flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from SEA to SFO?
Read the fare rules of the Seattle to San Francisco air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Seattle and San Francisco?
operate flights between Seattle and San Francisco
How long does a flight from Seattle to San Francisco take?
It takes approximately 2 hour to fly non-stop from SEA to SFO, which is 678.52 miles by air.
Which airlines provide the cheapest flights from Seattle (SEA) to San Francisco (SFO) ?
In the past couple of days, the cheapest tickets to SFO from SEA were found on WN : USD 393
Do I need a passport to fly between SEA and SFO?
No
What’s the latest departure time from SEA to SFO ?
The last flight leaves SEA at 8:40 pm
Seattle (SEA) to San Francisco (SFO): Airport Information
| Origin Airport | Seattle Tacoma International , Seattle, US |
| Destination Airport | San Francisco International , San Francisco, US |
| Distance | 679 miles |
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