Seattle to San Francisco in October 2026
Round trips departing in October · Economy · Prices per person in USD
Prices updated
Typical in October
$178
Median of 6 date combinations
Usual on this route
$156
October's cheapest is 1% less
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 October fares drop below your price.October 2026 by departure day
Cheapest round trip leaving that day| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | |||
| 5 | 6 | 7 | 8 | 9 | 10 | 11 |
| 12 | 13 | 14 | 15 $216 | 16 $209 | 17 | 18 |
| 19 | 20 $156 | 21 | 22 | 23 | 24 | 25 |
| 26 | 27 $154 | 28 | 29 $154 | 30 $200 | 31 |
Empty days: no round trip found for that departure date yet. Green = cheapest third of the month.
Cheapest dates in October 2026
Round trip, per person-
Oct 27 – 29 2 nights · leave Tue$154Alaska Airlines Nonstop · 2h 29mBook
-
Oct 29 – 31 2 nights · leave Thu$154Alaska Airlines Nonstop · 2h 16mBook
-
Oct 20 – 29 9 nights · leave Tue$156Alaska Airlines Nonstop · 2h 10mBook
-
Oct 30 – Nov 1 2 nights · leave Fri$200United Airlines Nonstop · 2h 19mBook
-
Oct 16 – 19 3 nights · leave Fri$209Alaska Airlines 2 stops · 2h 10mBook
-
Oct 15 – 22 7 nights · leave Thu$216Alaska Airlines 1 stop · 2h 16mBook
Prices change often. The booking site shows the final price before you pay.
Cheapest by trip length
2–4 nights
$154
Oct 27 – 29 · 4 options
5–7 nights
$216
Oct 15 – 22 · 1 option
8–14 nights
$156
Oct 20 – 29 · 1 option
Good to know for October
Airlines with cheap fares
2 airlines
Most often: Alaska Airlines, United Airlines.
October vs other months
Cheapest round trip 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 |
Seattle to San Francisco in October: questions
What's the cheapest date to fly from Seattle to San Francisco in October 2026?
Leaving Tuesday, October 27 and returning Thursday, October 29 (2 nights) for $154 round trip on Alaska Airlines, the cheapest of the 6 date combinations we track that month.
How much is a round trip from Seattle to San Francisco in October 2026?
From $154. Half of the 6 date combinations we track are under $178. Prices are per person in USD and change often.