Seattle to San Francisco flights
Round trip · Economy · Prices per person in USD
Prices updated
Prices are typical right now
$154 is close to the usual $156 for Seattle → San Francisco.
Buy now or wait? We're still learning this route. We have 1 day of prices so far and need about a week to say whether to book or wait.
Not ready to book? Get an email when Seattle → San Francisco drops below your price.Cheapest round trip by month
Lowest fare found per departure month| Month | Cheapest round trip |
|---|---|
| September 2026 | No fares found yet |
| October 2026 | $154 (cheapest month) |
| November 2026 | No fares found yet |
| December 2026 | $212 |
| January 2027 | No fares found yet |
| February 2027 | No fares found yet |
| March 2027 | No fares found yet |
| April 2027 | $351 |
Cheapest dates in the next 4 months
Round trip, per person-
Oct 27 – 29 2 nights · leave Tue$154$154 Book
Alaska Airlines Nonstop · 2h 29m -
Oct 29 – 31 2 nights · leave Thu$154$154 Book
Alaska Airlines Nonstop · 2h 16m
-
Oct 20 – 29 9 nights · leave Tue$156$156 Book
Alaska Airlines Nonstop · 2h 10m
-
Oct 30 – Nov 1 2 nights · leave Fri$200 +28% vs usual$200 +28% vs usual Book
United Airlines Nonstop · 2h 19m -
Oct 16 – 19 3 nights · leave Fri$209 +34% vs usual$209 +34% vs usual Book
Alaska Airlines 2 stops · 2h 10m
-
Dec 11 – 13 2 nights · leave Fri$212 +36% vs usual$212 +36% vs usual Book
Alaska Airlines Nonstop · 2h 11m
-
Oct 15 – 22 7 nights · leave Thu$216 +38% vs usual$216 +38% vs usual Book
Alaska Airlines 1 stop · 2h 16m
Prices change often. The booking site shows the final price before you pay. Other dates? Set an alert
Things to do in San Francisco
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Airport transfer to San Francisco
Fixed prices from SFO on KiwitaxiTo see transfer prices here, turn on partner content in .
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Plan the rest of your trip
San Francisco · Oct 27 – 29Travel insurance · EKTA Airport transfer · Kiwitaxi
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Good to know
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Flights to San Francisco from other cities
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Seattle to San Francisco: questions
How much is a flight from Seattle to San Francisco?
The cheapest round trip we have found right now is $154, leaving October 27 and returning October 29. The usual price on this route is about $156, so this fare is 1% less. Prices are per person, economy, in USD.
What is the cheapest month to fly from Seattle to San Francisco?
October 2026, with round trips from $154. The most expensive month in our data is April (from $351). Based on the 3 months ahead we have prices for.
About this route
We track round-trip economy fares from Seattle (United States) to San Francisco (United States) using Travelpayouts / Aviasales data. The cheapest round trip we've found is $154, departing October 27 and returning October 29 on a nonstop flight, about 1% below the usual $156. Right now we're following 7 upcoming date combinations on this route. The cheapest month to fly in our data is October, from $154. Prices are per person and were correct when found; the final price is set by the airline or booking site when you book.