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Cheap flights from Seattle to San Francisco from C$ 111

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 30/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SFO
24 Feb — 3 Mar1
1 adult

The best prices from Seattle/Tacoma Intl to San Francisco are usually found in January or September, booked 85 days in advance, depart on a Friday or Sunday 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 19 February 2025.

Round-trip from

C$ 177

One-way from

C$ 111

Popular in

June

Cheapest in

January

Average price

C$ 341

Good round-trip deal

C$ 205 or less

Good one-way deal

C$ 118 or less
Frontier
  • Frontier
  • 5/3-12/3
  • 2 total stops
  • 21h 38m total
  • Seattle to San Francisco
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Hawaiian Airlines
  • Hawaiian Airlines
  • 30/4
  • Nonstop
  • 2h 14m total
  • Seattle to San Francisco
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals
Price to beat on a round-trip flight from Seattle/Tacoma Intl to San Francisco.
Search Deals
Price to beat on a one-way flight from Seattle/Tacoma Intl to San Francisco.
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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 19 February 2025.

Sun 9/32:02 p.m.SEA - SFO
1 stop10h 41mFrontier
Wed 12/310:59 p.m.SFO - SEA
1 stop10h 31mFrontier
Deal found 19/2C$ 192
Tue 20/56:59 p.m.SEA - SFO
Nonstop2h 12mMultiple Airlines
Tue 27/54:04 p.m.SFO - SEA
1 stop8h 39mMultiple Airlines
Deal found 18/2C$ 211
Wed 12/33:53 p.m.SEA - SFO
Nonstop2h 09mAlaska Airlines
Wed 12/39:45 p.m.SFO - SEA
Nonstop2h 17mAlaska Airlines
Deal found 19/2C$ 214
Tue 20/58:01 p.m.SEA - SFO
Nonstop2h 10mHawaiian Airlines
Tue 27/57:49 p.m.SFO - SEA
Nonstop2h 11mHawaiian Airlines
Deal found 18/2C$ 224
Sat 22/38:10 p.m.SEA - SFO
Nonstop2h 13mDelta
Wed 26/39:21 a.m.SFO - SEA
Nonstop2h 23mDelta
Deal found 19/2C$ 230
Tue 18/32:50 p.m.SEA - SFO
Nonstop2h 18mUnited Airlines
Sun 30/311:15 p.m.SFO - SEA
Nonstop2h 23mUnited Airlines
Deal found 18/2C$ 248
Fri 28/35:00 a.m.SEA - SFO
1 stop7h 45mSouthwest
Mon 31/35:50 p.m.SFO - SEA
1 stop6h 40mSouthwest
Deal found 19/2C$ 312

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 19 February 2025.

Fly from

Seattle

Fly to

San Francisco

Route

Depart

Return

Price

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Sun 9/3

2:02 p.m.-12:43 a.m.

1 stop10h 41m

San Francisco

Wed 12/3

10:59 p.m.-9:30 a.m.

1 stop10h 31m

C$ 192

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Tue 20/5

6:59 p.m.-9:11 p.m.

Nonstop2h 12m

San Francisco

Tue 27/5

4:04 p.m.-12:43 a.m.

1 stop8h 39m

C$ 211

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Wed 12/3

3:53 p.m.-6:02 p.m.

Nonstop2h 09m

San Francisco

Wed 12/3

9:45 p.m.-12:02 a.m.

Nonstop2h 17m

C$ 214

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Tue 11/3

1:35 p.m.-3:48 p.m.

Nonstop2h 13m

San Francisco

Tue 11/3

8:29 p.m.-10:45 p.m.

Nonstop2h 16m

C$ 223

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Tue 20/5

8:01 p.m.-10:11 p.m.

Nonstop2h 10m

San Francisco

Tue 27/5

7:49 p.m.-10:00 p.m.

Nonstop2h 11m

C$ 224

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Tue 18/3

2:50 p.m.-5:08 p.m.

Nonstop2h 18m

San Francisco

Sun 30/3

11:15 p.m.-1:38 a.m.

Nonstop2h 23m

C$ 248

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Fri 28/3

5:00 a.m.-12:45 p.m.

1 stop7h 45m

San Francisco

Mon 31/3

5:50 p.m.-12:30 a.m.

1 stop6h 40m

C$ 312

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Wed 30/4

5:59 p.m.-8:13 p.m.

Nonstop2h 14m

C$ 111

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Tue 18/3

8:10 p.m.-10:23 p.m.

Nonstop2h 13m

C$ 112

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Sun 16/3

5:00 a.m.-7:17 a.m.

Nonstop2h 17m

C$ 119

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/2

Showing 1-10 of 15 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 14 February 2025.

Booking 85 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, January is the cheapest month in which you can book a flight from Seattle to San Francisco (average of C$ 276). 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 19 February 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 41% on flights from Seattle to San Francisco by exploring options for tickets in the evening.

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 February 2025.

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. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Seattle to San Francisco

Explore weekly flight availability from Seattle to San Francisco. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 19 February 2025.

The most flights from SEA to SFO are scheduled on a Monday (94 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (32 on average).

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 19 February 2025.
To help decide which airline to fly from Seattle to San Francisco, see what other customers have to say about Southwest, Alaska Airlines and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,413 reviews
Check prices

Comfort

8.1

Crew

8.7

Overall

8.1

Boarding

8.2

Entertainment

7.6

Food

7.1

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

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

Southwest
8.1
Very good
4,413 reviews
Southwest
8.1
Very good
4,413 reviews
Check prices

Comfort

8.1

Crew

8.7

Overall

8.1

Boarding

8.2

Entertainment

7.6

Food

7.1

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

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

Alaska Airlines
8.0
Very good
9,691 reviews
Southwest
8.1
Very good
4,413 reviews
Check prices

Comfort

8.1

Crew

8.7

Overall

8.1

Boarding

8.2

Entertainment

7.6

Food

7.1

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

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

Delta
8.0
Very good
8,236 reviews
Southwest
8.1
Very good
4,413 reviews
Check prices

Comfort

8.1

Crew

8.7

Overall

8.1

Boarding

8.2

Entertainment

7.6

Food

7.1

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

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

Hawaiian Airlines
7.9
Good
2,317 reviews
Southwest
8.1
Very good
4,413 reviews
Check prices

Comfort

8.1

Crew

8.7

Overall

8.1

Boarding

8.2

Entertainment

7.6

Food

7.1

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

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

JetBlue
7.4
Good
3,074 reviews
Southwest
8.1
Very good
4,413 reviews
Check prices

Comfort

8.1

Crew

8.7

Overall

8.1

Boarding

8.2

Entertainment

7.6

Food

7.1

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

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 18m for a nonstop flight. There are 62 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 578 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$ 177, Frontier will fly you from Seattle to San Francisco and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and Alaska Airlines - these airlines can fly you to your destination from C$ 180 and C$ 199, respectively. Frontier is currently priced 47% 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$ 111 is the cheapest one-way deal found within the past few days, from Hawaiian Airlines. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from C$ 112 and C$ 119, 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 Qantas Airways (90%), Copa Airlines (87%) or United Airlines (84%) 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$ 353. The most popular route, (Seattle/Tacoma Intl - San Francisco), can usually be booked for C$ 237.

  • 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, January is the cheapest month in which you can book a flight from Seattle to San Francisco (average of C$ 276). 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

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Richmond
San Ramon
Newark
Alameda
Novato
Burlingame
Redwood City
South San Francisco
San Bruno
Scotts Valley
Belmont
Millbrae
Santa Clara
Vallejo

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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 19 February 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 97AverageC$ 237FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
FrontierCheapestC$ 157AverageC$ 332FlexibilityNo cancel feeOn-time62%
Search Frontier flights
United AirlinesCheapestC$ 161AverageC$ 329FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Alaska AirlinesCheapestC$ 165AverageC$ 264FlexibilityNo cancel feeOn-time75%
Search Alaska 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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