Find Cheapest Airlines Flying from Seattle to San Francisco
Alaska Airlines Cheap Flight Deals from Seattle to San Francisco
Explore the cheapest flights from Seattle to San Francisco in the next three months. Based on Trip.com's data from the latest 7 days, one-way direct flights start at AU$ 60, and round-trip direct tickets start at AU$ 123.
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- Cheapest nonstop
SEA 21:422h 17mDirectSFO 23:59Seattle - San Francisco | Fri, Apr 17 | Hawaiian Airlines
SFO 09:002h 22mDirectSEA 11:22San Francisco - Seattle | Wed, Apr 22 | Alaska AirlinesAU$ 123 AU$ 13811% off11% offAU$ 138 AU$ 123 -
SEA 21:422h 17mDirectSFO 23:59Seattle - San Francisco | Fri, Apr 17 | Alaska Airlines
SFO 07:002h 17mDirectSEA 09:17San Francisco - Seattle | Wed, Apr 22 | Alaska AirlinesAU$ 123 AU$ 13811% off11% offAU$ 138 AU$ 123 -
SEA 07:032h 17mDirectSFO 09:20Seattle - San Francisco | Sat, Apr 18 | Hawaiian Airlines
SFO 13:352h 17mDirectSEA 15:52San Francisco - Seattle | Tue, Apr 21 | Hawaiian AirlinesAU$ 124 AU$ 13810% off10% offAU$ 138 AU$ 124 -
SEA 21:242h 20mDirectSFO 23:44Seattle - San Francisco | Thu, Apr 30 | Alaska Airlines
SFO 07:002h 17mDirectSEA 09:17San Francisco - Seattle | Mon, May 4 | Alaska AirlinesAU$ 1259% offAU$ 138 AU$ 125 -
SEA 17:582h 16mDirectSFO 20:14Seattle - San Francisco | Thu, May 7 | Alaska Airlines
SFO 07:002h 17mDirectSEA 09:17San Francisco - Seattle | Sun, May 10 | Alaska AirlinesAU$ 1259% offAU$ 138 AU$ 125 -
SEA 07:032h 17mDirectSFO 09:20Seattle - San Francisco | Sat, Apr 18 | Alaska Airlines
SFO 07:002h 17mDirectSEA 09:17San Francisco - Seattle | Thu, Apr 23 | Alaska AirlinesAU$ 1259% offAU$ 138 AU$ 125 -
SEA 21:422h 17mDirectSFO 23:59Seattle - San Francisco | Thu, Apr 16 | Alaska Airlines
SFO 14:002h 17mDirectSEA 16:17San Francisco - Seattle | Wed, Apr 22 | Alaska AirlinesAU$ 1259% offAU$ 138 AU$ 125 -
SEA 14:532h 21mDirectSFO 17:14Seattle - San Francisco | Wed, Apr 29 | Alaska Airlines
SFO 07:002h 17mDirectSEA 09:17San Francisco - Seattle | Mon, May 4 | Alaska AirlinesAU$ 1259% offAU$ 138 AU$ 125 -
SEA 21:242h 20mDirectSFO 23:44Seattle - San Francisco | Mon, Apr 27 | Alaska Airlines
SFO 21:102h 19mDirectSEA 23:29San Francisco - Seattle | Thu, Apr 30 | Alaska AirlinesAU$ 1259% offAU$ 138 AU$ 125 -
SEA 19:042h 19mDirectSFO 21:23Seattle - San Francisco | Tue, Apr 28 | Alaska Airlines
SFO 19:592h 19mDirectSEA 22:18San Francisco - Seattle | Mon, May 4 | Alaska AirlinesAU$ 1259% offAU$ 138 AU$ 125 -
SEA 13:0017h 25m1 stopSFO Invalid DateSeattle - San Francisco | Wed, Mar 11 | Normal Airline
SFO 15:006hDirectSEA 16:00San Francisco - Seattle | Fri, Mar 13 | Normal AirlineFind more flightsFind more flights
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Cheapest nonstop
SEA 21:422h 17mDirectSFO 23:59Seattle - San Francisco | Fri, Apr 17 | Alaska AirlinesAU$ 60 AU$ 7115% off15% offAU$ 71 AU$ 60 -
SEA 21:422h 17mDirectSFO 23:59Seattle - San Francisco | Fri, Apr 17 | Hawaiian AirlinesAU$ 61 AU$ 7114% off14% offAU$ 71 AU$ 61 -
SEA 07:002h 22mDirectSFO 09:22Seattle - San Francisco | Sun, Apr 26 | Delta Air LinesAU$ 61 AU$ 7114% off14% offAU$ 71 AU$ 61 -
SEA 21:202h 17mDirectSFO 23:37Seattle - San Francisco | Fri, Apr 17 | Delta Air LinesAU$ 6213% offAU$ 71 AU$ 62 -
SEA 21:202h 17mDirectSFO 23:37Seattle - San Francisco | Fri, May 1 | Delta Air LinesAU$ 6213% offAU$ 71 AU$ 62 -
SEA 08:312h 25mDirectSFO 10:56Seattle - San Francisco | Fri, May 8 | Alaska AirlinesAU$ 6213% offAU$ 71 AU$ 62 -
SEA 21:242h 20mDirectSFO 23:44Seattle - San Francisco | Fri, May 1 | Alaska AirlinesAU$ 6213% offAU$ 71 AU$ 62 -
SEA 20:052h 23mDirectSFO 22:28Seattle - San Francisco | Wed, Apr 22 | Alaska AirlinesAU$ 6311% offAU$ 71 AU$ 63 -
SEA 17:552h 16mDirectSFO 20:11Seattle - San Francisco | Tue, Apr 21 | Hawaiian AirlinesAU$ 6311% offAU$ 71 AU$ 63 -
SEA 11:502h 31mDirectSFO 14:21Seattle - San Francisco | Tue, May 5 | Alaska AirlinesAU$ 6410% offAU$ 71 AU$ 64 -
SEA 13:0017h 25m1 stopSFO Invalid DateSeattle - San Francisco | Wed, Mar 11 | Normal AirlineFind more flightsFind more flights
Displayed flight fares from Seattle to San Francisco are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.
Seattle to San Francisco Flight Details
The distance between Seattle and San Francisco is approximately 1,093.2km. It takes around 2 hours 18 minutes on average to fly from Seattle to San Francisco. Based on Trip.com's data travel demand peaks in July. The off-season for travel is October.
| Cheapest one-way flight price | AU$ 60 |
|---|---|
| Cheapest return ticket price | AU$ 123 |
| Off-season for travel | October |
| Peak season for travel | July |
| Flight distance | 1,093.2km |
| Average flight time | 2 hours 18 minutes |
| Popular airline | Alaska Airlines |
Trip.com Price Insights on Flights from Seattle to San Francisco
What is the cheapest month for one-way flights from Seattle to San Francisco?
According to Trip.com's data, the cheapest month for flights from Seattle to San Francisco is September, with an average price of AU$ 196. Conversely, the most expensive month is typically November, with an average price of up to AU$ 262.
What is the cheapest month for round-trip flights from Seattle to San Francisco?
According to historical data from Trip.com, the lowest prices for flights from Seattle to San Francisco are found during January, with an average price of AU$ 293. Conversely, the highest prices are found during February, with an average price of up to AU$ 655.
What's the cheapest day to fly from Seattle to San Francisco?
Based on Trip.com data from the past 12 months, the cheapest day to fly from Seattle to San Francisco is Wednesday, with average prices lower than on other days. Avoid Sunday, as prices are usually highest then.
When is the cheapest day to fly from Seattle to San Francisco during Good Friday?
During Good Friday, the cheapest flights from Seattle to San Francisco are on Apr 1, with the lowest fare of AU$ 67.
Flight FAQs
Which airlines offer the cheapest flights from Seattle (SEA) to San Francisco (SFO)?
Based on Trip.com data, Alaska Airlines offers one-way fares as low as AU$ 60 on Cheapest nonstop routes (e.g. SEA to SFO on Fri, Apr 17), while Hawaiian Airlines offers Cheapest nonstop round-trips from AU$ 123 departing on Fri, Apr 17 and returning on Wed, Apr 22.Which airlines offer direct flights from Seattle to San Francisco?
At the moment, you can catch a direct flight from Seattle to San Francisco with the following airlines, including: Alaska Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.How long is the flights from Seattle (SEA) to San Francisco (SFO)?
It takes about 2 hours 18 minutes to fly from Seattle (SEA) to San Francisco (SFO).When is the best time to book flights from Seattle to San Francisco?
By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Seattle to San Francisco is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.How many flights are there per week from Seattle to San Francisco?
Based on Trip.com data in the past 4 weeks, there is 113 flight per week flying from Seattle to San Francisco. You can check the weekly schedule for popular airlines on this route below: Delta Air Lines: -/-/T/W/T/F/- -- DL976 (07:56)How can I find the best deals on flights from Seattle to San Francisco?
To find best deals on flights from Seattle to San Francisco, you can use various tools on Trip.com:
· Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Fri, Apr 17, with one-way flights priced at just AU$ 60.
· Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Alaska Airlines.
· Set up price alerts to easily monitor ticket prices without having to check every day.
· Check Trip.com flight deals and promo codes frequently.
· Avoid peak season unless you book very early. It seems the peak season for San Francisco travel is around July.
· Get exclusive promo codes for Trip.com app users.When is the best time to book a flight from Seattle to San Francisco to get the best price?
The cheapest months to fly from Seattle to San Francisco is October, when demand for travel is lower.Which upcoming date is the cheapest for flights from Seattle to San Francisco?
After crunching the numbers on our March flight calendar, it's currently cheapest to fly from Seattle to San Francisco on March 25, 2026 with Alaska Airlines, with prices starting at AU$ 50.Which airports can I fly through when travelling to San Francisco from Seattle?
You can land at any one of the following hubs in San Francisco, with Seattle-Tacoma International Airport to San Francisco International Airport (SEA-SFO) is by far the most common option on this route: San Francisco International Airport (SFO).What is the time difference between Seattle and San Francisco?
The time difference between San Francisco and Seattle is 0h.How can I change or cancel my flight ticket from Seattle to San Francisco?
Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.
Trip.com Airline Insights on Flights from Seattle toSan Francisco
Which airlines offer the cheapest nonstop flights from Seattle to San Francisco?
Based on Trip.com data from the past 12 months, Frontier Airlines offers the cheapest nonstop flights from Seattle to San Francisco, with an average price of AU$ 179.
Which airlines operate the most flights from Seattle to San Francisco?
Based on Trip.com data from the past month, Alaska Airlines/Hawaiian Airlines/Air Tahiti Nui operates the most flights from Seattle to San Francisco, with 52 flight per week.
How many flights are there each day from Seattle to San Francisco?
Based on Trip.com data from the past month, the most flights from Seattle to San Francisco depart on Friday, and the fewest flights depart on Tuesday.
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