Q: How much does it cost to fly round-trip from Seattle to San Francisco?

Airfare is below average for this route at the moment. Seattle to San Francisco flights typically cost between C$ 180 and C$ 507 in February. The cheapest round-trip price found within the last 3 days was C$ 148 on Delta (26 Feb-2 Mar).

Question 1

How much does it cost to fly round-trip from Seattle to San Francisco?

Accepted Answer

Airfare is below average for this route at the moment.Seattle to San Francisco flights typically cost between C$ 180 and C$ 507 in February.
The cheapest round-trip price found within the last 3 days was C$ 148 on Delta (26 Feb-2 Mar).

Question 2

What is the most punctual flight time for Seattle to San Francisco flights?

Accepted Answer

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

Question 3

Which airline has the best punctuality record on Seattle to San Francisco flights?

Accepted Answer

Over the past year, United Airlines has had the lowest number of delays on this route, with just 15% of flights being delayed.

Question 4

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Question 5

How often are flights from Seattle to San Francisco delayed?

Accepted Answer

About 21% of weekly flights between Seattle and San Francisco have experienced delays in the past year, with the average delay time being 133 minutes.

Question 6

How popular is this Seattle to San Francisco flight route?

Accepted Answer

This flight path from Seattle/Tacoma Intl to San Francisco was viewed by 214 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

Question 7

How long is the flight from Seattle to San Francisco?

Accepted Answer

A quick flight from Seattle to San Francisco can take about 2h 26m. Delta provides one of the quickest options available for as low as C$ 148. The distance between Seattle and San Francisco is about 1093 km. All flights are typically direct.

Question 8

What are the cheapest airlines flying from Seattle to San Francisco round-trip?

Accepted Answer

Currently priced at C$ 95, Delta will fly you from Seattle to San Francisco and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Hawaiian Airlines - these airlines can fly you to your destination from C$ 130 and C$ 151, respectively. Delta is currently priced 70% below the average price you’ll pay for this route.

Question 9

What are the cheapest airlines to fly from Seattle to San Francisco one-way?

Accepted Answer

C$ 81 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Hawaiian Airlines and Alaska Airlines, with prices starting from C$ 85 and C$ 94, respectively.

Question 10

How far ahead should I book a flight from Seattle to San Francisco?

Accepted Answer

Booking 39 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to San Francisco. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Question 11

What is the cheapest month to book a flight from Seattle to San Francisco?

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from Seattle to San Francisco (average of C$ 113). Flying from Seattle to San Francisco in May is currently the most expensive (average of C$ 189). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Question 12

What is the cheapest day to fly from Seattle to San Francisco?

Accepted Answer

Travelers seeking maximum savings on their Seattle to San Francisco flight should consider departing on Friday evenings when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Question 13

Weekly flight availability from Seattle to San Francisco

Accepted Answer

The most flights from SEA to SFO are scheduled on a Monday (82 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (47 on average).

Question 14

E

Accepted Answer

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 112.0 mm per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco when rainfall is around 0.0 mm.

Question 15

E

Accepted Answer

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

Question 16

What are the cheapest flights from Seattle to San Francisco?

Accepted Answer

The cheapest flight price from Seattle to San Francisco is C$ 67. On average you can expect to pay C$ 615. The most popular route, (Seattle/Tacoma Intl - San Francisco), can usually be booked for C$ 136.

Question 17

What are the most reliable airlines from Seattle to San Francisco?

Accepted Answer

No one likes to see their flight delayed. When booking a flight from Seattle to San Francisco consider choosing SWISS (83%), Air China (82%) or Turkish Airlines (82%) as they are the most reliable in getting you off to your destination on time.

Question 18

What are the most popular airlines that fly from Seattle to San Francisco?

Accepted Answer

Alaska Airlines, Delta and Hawaiian Airlines are the most popular airlines when flying from Seattle to San Francisco.

Question 19

What is the cheapest time of day to fly from SEA to SFO?

Accepted Answer

Unlike in the afternoon, when flights are generally more expensive, you can save up to 11% on flights from Seattle to San Francisco by exploring options for tickets in the evening.

Question 20

What airports do I use to fly from Seattle to San Francisco?

Accepted Answer

If you book a flight from Seattle to San Francisco, you will be flying from Seattle/Tacoma Intl to San Francisco. Flights to San Francisco (SFO) from Seattle/Tacoma Intl (SEA) take 2h 13m for a nonstop flight. There are 60 flights from Seattle/Tacoma Intl to San Francisco per day from 5 airlines.

Question 21

Can I find deals for flights from Seattle to San Francisco that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Seattle to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.

Question 22

How can I find direct flights from Seattle to San Francisco?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to San Francisco.

Question 23

Can I find deals for business class flights from Seattle to San Francisco?

Accepted Answer

Yes. Cheapflights offers flight deals from Seattle to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 24

How does Cheapflights help users find flights from Seattle to San Francisco?

Accepted Answer

Deals for Seattle to San Francisco flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Question 25

Why should you use Cheapflights to find cheap flight tickets from Seattle to San Francisco?

Accepted Answer

Cheapflights helps you find that perfect flight to San Francisco from Seattle by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Question 26

Can Cheapflights find flights from Seattle to San Francisco with no change fees?

Accepted Answer

Yes! Cheapflights helps users easily find flights from Seattle to San Francisco with no change fees.

Question 27

Can Cheapflights notify me if prices for flights from Seattle to San Francisco become cheaper?

Accepted Answer

Yes! Start tracking prices for Seattle to San Francisco flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

Round-trip from	C$ 148
One-way from	C$ 82
Popular in	December
Cheapest in	February
Average price	C$ 314
Good round-trip deal	C$ 161 or less
Good one-way deal	C$ 544 or less

Airline	Cheapest	Average	Flexibility	On-time
Delta	CheapestC$ 95	AverageC$ 134	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
United Airlines	CheapestC$ 130	AverageC$ 362	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Hawaiian Airlines	CheapestC$ 151	AverageC$ 254	FlexibilityNo cancel fee	On-time85%	Search Hawaiian Airlines flights
Alaska Airlines	CheapestC$ 160	AverageC$ 231	FlexibilityNo cancel fee	On-time75%	Search Alaska Airlines flights
Frontier	CheapestC$ 229	AverageC$ 314	FlexibilityNo cancel fee	On-time62%	Search Frontier flights

Cheap flights from Seattle to San Francisco from C$ 82

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/2. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Seattle to San Francisco

Cheapest flights from Seattle to San FranciscoExplore the most affordable flight options available from Seattle to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 January 2026.

Explore the most affordable flight options available from Seattle to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 January 2026.

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Best time to book a flight from Seattle to San Francisco

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Everything you need to know about your flight from Seattle to San Francisco

How far ahead should I book a flight from Seattle to San Francisco?

What is the cheapest month to book a flight from Seattle to San Francisco?

What is the cheapest time of day to fly from SEA to SFO?

What is the cheapest day to fly from Seattle to San Francisco?

How much does it cost to fly round-trip from Seattle to San Francisco?

Weekly flight availability from Seattle to San Francisco

How often are flights from Seattle to San Francisco delayed?

What is the most punctual flight time for Seattle to San Francisco flights?

What day of the week experiences the fewest flight delays on this route?

Which airline has the best punctuality record on Seattle to San Francisco flights?

Reviews of airlines servicing San Francisco

See what other customers who have flown with Alaska Airlines,Delta, andHawaiian Airlines from Seattle to San Francisco have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Seattle to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airports do I use to fly from Seattle to San Francisco?

How popular is this Seattle to San Francisco flight route?

How long is the flight from Seattle to San Francisco?

What are the cheapest airlines flying from Seattle to San Francisco round-trip?

What are the cheapest airlines to fly from Seattle to San Francisco one-way?

What are the most reliable airlines from Seattle to San Francisco?

What are the cheapest flights from Seattle to San Francisco?

Can I find deals for flights from Seattle to San Francisco that include hotel bookings?

How can I find direct flights from Seattle to San Francisco?

Can I find deals for business class flights from Seattle to San Francisco?

What is the cheapest month to book a flight from Seattle to San Francisco?

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How does Cheapflights help users find flights from Seattle to San Francisco?

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Can Cheapflights find flights from Seattle to San Francisco with no change fees?

Can Cheapflights notify me if prices for flights from Seattle to San Francisco become cheaper?

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Cheapest flights from Seattle to San Francisco
Explore the most affordable flight options available from Seattle to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 January 2026.