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Cheap flights from Seattle to San Francisco from C$ 99

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 19/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SFO
23 Dec — 30 Dec1
1 adult

The best prices from Seattle/Tacoma Intl to San Francisco are usually found in September or January, booked 80 days in advance, depart on a Tuesday or Thursday and return on a Sunday

Cheap flight deals from Seattle to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 18 December 2024.

Round-trip from

C$ 193

One-way from

C$ 99

Popular in

June

Cheapest in

September

Average price

C$ 397
Alaska Airlines
  • Alaska Airlines
  • 1/2-8/2
  • Nonstop
  • 4h 32m total
  • Seattle to San Francisco
Search Deals
Alaska Airlines
  • Alaska Airlines
  • 19/3
  • Nonstop
  • 2h 10m total
  • Seattle to San Francisco
Search Deals
High demand for flights, 6% potential price rise
Search Deals
Best time to find cheap flights, 2% potential price drop
Search Deals
Average for round-trip flights in December 2024
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Find flight deals from Seattle to San Francisco

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 18 December 2024.

Tue 31/127:59 p.m.SEA - SFO
Nonstop2h 17mAlaska Airlines
Sun 26/17:00 a.m.SFO - SEA
Nonstop2h 15mAlaska Airlines
Deal found 17/12C$ 314
Wed 25/124:15 p.m.SEA - SFO
Nonstop2h 19mDelta
Mon 6/16:10 a.m.SFO - SEA
Nonstop2h 25mDelta
Deal found 17/12C$ 387
Tue 31/121:10 p.m.SEA - SFO
1 stop9h 25mSouthwest
Tue 14/19:00 a.m.SFO - SEA
2 stops11h 10mSouthwest
Deal found 16/12C$ 437
Wed 25/129:36 p.m.SEA - SFO
1 stop26h 45mFrontier
Sun 5/111:59 p.m.SFO - SEA
1 stop15h 23mFrontier
Deal found 18/12C$ 488
Sun 22/126:00 a.m.SEA - SFO
1 stop6h 02mUnited Airlines
Tue 7/19:00 a.m.SFO - SEA
Nonstop2h 20mUnited Airlines
Deal found 16/12C$ 538

Find flights from Seattle to San Francisco within your budget

Customize your flight search to find flights from Seattle to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 18 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Sat 1/2

11:20 a.m.-1:37 p.m.

Nonstop2h 17m

San Francisco

Sat 8/2

7:00 a.m.-9:15 a.m.

Nonstop2h 15m

C$ 193

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Tue 18/2

9:55 a.m.-12:19 p.m.

Nonstop2h 24m

San Francisco

Sat 22/2

6:10 a.m.-8:35 a.m.

Nonstop2h 25m

C$ 203

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Wed 19/3

7:00 a.m.-9:21 a.m.

Nonstop2h 21m

San Francisco

Sat 29/3

6:55 p.m.-9:15 p.m.

Nonstop2h 20m

C$ 217

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Tue 21/1

9:10 a.m.-7:10 p.m.

2 stops10h 00m

San Francisco

Wed 22/1

9:00 a.m.-8:10 p.m.

2 stops11h 10m

C$ 291

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Fri 14/2

8:44 p.m.-9:26 a.m.

1 stop12h 42m

San Francisco

Sat 22/2

10:59 p.m.-9:20 a.m.

1 stop10h 21m

C$ 297

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Wed 19/3

7:59 p.m.-10:09 p.m.

Nonstop2h 10m

C$ 99

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Tue 7/1

12:50 p.m.-3:09 p.m.

Nonstop2h 19m

C$ 113

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Sun 19/1

3:18 p.m.-12:09 a.m.

1 stop8h 51m

C$ 127

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Tue 7/1

7:10 p.m.-12:14 a.m.

1 stop5h 04m

C$ 130

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Thu 20/2

1:30 p.m.-11:05 p.m.

2 stops9h 35m

C$ 187

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/12

Showing 1-10 of 12 results
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Best time to book a flight from Seattle to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Seattle to San Francisco

Get recent, data-driven insights about flights from Seattle to San Francisco including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Seattle to San Francisco. Price data was last updated on 13 December 2024.

Booking 80 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.

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

Currently, February is the cheapest month in which you can book a flight from Seattle to San Francisco (average of C$ 272). Flying from Seattle to San Francisco in June is currently the most expensive (average of C$ 379). 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.

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

Find hourly flight availability from Seattle to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 December 2024.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 22% on flights from Seattle to San Francisco by exploring options for tickets at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Seattle to San Francisco. Price data was last updated on 16 December 2024.

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

Rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average rainfall totals by month.

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.

Temperature in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated 18 December 2024.
To help decide which airline to fly from Seattle to San Francisco, see what other customers have to say about Alaska Airlines, Delta and Southwest. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,848 reviews
Check prices

Crew

8.7

Food

7.2

Comfort

8.1

Entertainment

7.7

Boarding

8.2

Overall

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Southwest
8.1
Very good
4,848 reviews
Southwest
8.1
Very good
4,848 reviews
Check prices

Crew

8.7

Food

7.2

Comfort

8.1

Entertainment

7.7

Boarding

8.2

Overall

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Alaska Airlines
8.0
Very good
9,552 reviews
Southwest
8.1
Very good
4,848 reviews
Check prices

Crew

8.7

Food

7.2

Comfort

8.1

Entertainment

7.7

Boarding

8.2

Overall

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Delta
8.0
Very good
8,604 reviews
Southwest
8.1
Very good
4,848 reviews
Check prices

Crew

8.7

Food

7.2

Comfort

8.1

Entertainment

7.7

Boarding

8.2

Overall

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

United Airlines
7.4
Good
9,059 reviews
Southwest
8.1
Very good
4,848 reviews
Check prices

Crew

8.7

Food

7.2

Comfort

8.1

Entertainment

7.7

Boarding

8.2

Overall

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,848 reviews
Check prices

Crew

8.7

Food

7.2

Comfort

8.1

Entertainment

7.7

Boarding

8.2

Overall

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

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?

    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 17m for a nonstop flight. There are 26 flights from Seattle/Tacoma Intl to San Francisco per day from 4 airlines.

  • How popular is this Seattle to San Francisco flight route?

    This flight path from Seattle/Tacoma Intl to San Francisco was viewed by 580 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Currently priced at C$ 193, Alaska Airlines will fly you from Seattle to San Francisco and back. In addition to Alaska Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and United Airlines - these airlines can fly you to your destination from C$ 203 and C$ 217, respectively. Alaska Airlines is currently priced 42% below the average price you’ll pay for this route.

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

    C$ 99 is the cheapest one-way deal found within the past few days, from Alaska Airlines. You may also be able to find cheap deals on United Airlines and Frontier, with prices starting from C$ 113 and C$ 127, respectively.

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

    No one likes to see their flight delayed. When booking a flight from Seattle to San Francisco consider choosing Air China (92%), Iberia (90%) or KLM (87%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Seattle to San Francisco?

    The cheapest flight price from Seattle to San Francisco is C$ 97. On average you can expect to pay C$ 380. The most popular route, (Seattle/Tacoma Intl - San Francisco), can usually be booked for C$ 154.

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

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

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

    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.

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

    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.

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

    Currently, February is the cheapest month in which you can book a flight from Seattle to San Francisco (average of C$ 272). Flying from Seattle to San Francisco in June is currently the most expensive (average of C$ 379). 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.

See more FAQs

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Alternative routes for Seattle to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Seattle to San Francisco

Discover the top 4 airlines that operate flights from Seattle to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 18 December 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 111AverageC$ 225FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
FrontierCheapestC$ 158AverageC$ 334FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Alaska AirlinesCheapestC$ 180AverageC$ 287FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
United AirlinesCheapestC$ 241AverageC$ 357FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

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.

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

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!

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

Yes! Cheapflights helps users easily 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?

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.

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