San Francisco to San Diego in October 2026
Round trips departing in October · Economy · Prices per person in USD
Prices updated
Typical in October
$160
Median of 6 date combinations
Usual on this route
$83
October runs above usual
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 $201 | 10 | 11 |
| 12 | 13 $100 | 14 | 15 | 16 | 17 | 18 |
| 19 | 20 | 21 | 22 | 23 | 24 | 25 |
| 26 | 27 | 28 | 29 | 30 $119 | 31 $97 |
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 31 – Nov 2 2 nights · leave Sat$97Frontier Airlines Nonstop · 1h 41mBook
-
Oct 13 – 15 2 nights · leave Tue$100Frontier Airlines Nonstop · 1h 54mBook
-
Oct 30 – Nov 2 3 nights · leave Fri$119Alaska Airlines Nonstop · 1h 46mBook
-
Oct 9 – 13 4 nights · leave Fri$201Frontier Airlines 1 stop · 5h 13mBook
-
Oct 9 – 11 2 nights · leave Fri$266Frontier Airlines 1 stop · 5h 13mBook
-
Oct 9 – 12 3 nights · leave Fri$278Frontier Airlines 1 stop · 5h 13mBook
Prices change often. The booking site shows the final price before you pay.
Good to know for October
Airlines with cheap fares
2 airlines
Most often: Frontier Airlines, Alaska Airlines.
October vs other months
Cheapest round trip per departure month| Month | Cheapest round trip |
|---|---|
| September 2026 | No fares found yet |
| October 2026 | $97 |
| November 2026 | $41 (cheapest month) |
| December 2026 | No fares found yet |
| January 2027 | $175 |
San Francisco to San Diego in October: questions
What's the cheapest date to fly from San Francisco to San Diego in October 2026?
Leaving Saturday, October 31 and returning Monday, November 2 (2 nights) for $97 round trip on Frontier Airlines, the cheapest of the 6 date combinations we track that month.
How much is a round trip from San Francisco to San Diego in October 2026?
From $97. Half of the 6 date combinations we track are under $160. Prices are per person in USD and change often.