Denver to San Francisco in October 2026
DEN to SFO · Round trips departing in October · Economy · Prices per person in USD
Prices updated
Typical in October
$298
Median of 7 date combinations
Usual on this route
$265
October's cheapest is 40% less
Buy now or wait? We're still learning this route. We have 2 days 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 $298 | 8 $263 | 9 $384 | 10 $159 | 11 |
| 12 $285 | 13 | 14 | 15 | 16 | 17 | 18 |
| 19 | 20 | 21 | 22 | 23 | 24 | 25 |
| 26 | 27 | 28 | 29 | 30 | 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 10 – 17 7 nights · leave Sat$159Frontier Airlines Nonstop · 2h 46mBook
-
Oct 8 – 15 7 nights · leave Thu$263Frontier Airlines 1 stop · 2h 49mBook
-
Oct 12 – 15 3 nights · leave Mon$285Frontier Airlines Nonstop · 2h 46mBook
-
Oct 7 – 12 5 nights · leave Wed$298Frontier Airlines Nonstop · 2h 45mBook
-
Oct 8 – 13 5 nights · leave Thu$336Frontier Airlines 1 stop · 3h 53mBook
-
Oct 7 – 11 4 nights · leave Wed$360Frontier Airlines Nonstop · 2h 45mBook
-
Oct 9 – 11 2 nights · leave Fri$384Frontier Airlines Nonstop · 2h 46mBook
Prices change often. The booking site shows the final price before you pay.
Cheapest by trip length
2–4 nights
$285
Oct 12 – 15 · 3 options
5–7 nights
$159
Oct 10 – 17 · 4 options
Good to know for October
Airline
Frontier Airlines
Every cheap fare we track on this route is on Frontier Airlines.
October vs other months
Cheapest round trip per departure month| Month | Cheapest round trip |
|---|---|
| October 2026 | $159 |
| November 2026 | $132 (cheapest month) |
Denver to San Francisco in October: questions
What's the cheapest date to fly from Denver to San Francisco in October 2026?
Leaving Saturday, October 10 and returning Saturday, October 17 (7 nights) for $159 round trip on Frontier Airlines, the cheapest of the 7 date combinations we track that month.
How much is a round trip from Denver to San Francisco in October 2026?
From $159. Half of the 7 date combinations we track are under $298. Prices are per person in USD and change often.