Allegiant AirDepart17:07
Wed, Nov 25COS → SFO
4h 14m · 1 stop
$130one way, per person
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- Cheapest fare
- $130
- Cheapest month
- November
- Direct flights
- Not recently
- Quickest trip
- 3h 40m
Allegiant Air · Wed, Nov 25
from $130
Usually 1+ stop
1,540 km
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Cheapest month to fly from Colorado Springs to San Francisco
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in November 2026
The lowest fares we've seen for each day, cheapest first.
Allegiant Air
Southwest AirlinesDepart20:05
Sat, Nov 21COS → OAK
4h 00m · 1 stop
$155one way, per person
View deal
Southwest AirlinesDepart05:00
Mon, Nov 23COS → OAK
4h 05m · 1 stop
$155one way, per person
View deal
Southwest AirlinesDepart06:20
Thu, Nov 26COS → OAK
3h 40m · 1 stop
$155one way, per person
View deal
Southwest AirlinesDepart05:00
Sun, Nov 22COS → OAK
4h 00m · 1 stop
$181one way, per person
View deal
Allegiant AirDepart21:47
Tue, Nov 24COS → SFO
4h 51m · 2 stops
$195one way, per person
View deal
Southwest AirlinesDepart10:15
Fri, Nov 27COS → SJC
4h 35m · 2 stops
$235one way, per person
View deal
Plan the rest of your trip to San Francisco
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About flights from Colorado Springs to San Francisco
Colorado Springs (COS) and San Francisco (SFO) are about 1,540 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 3h 40m. Over the next few months, one-way fares start from $130, and November 2026 is currently the cheapest month to fly.
These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.
Frequently asked questions
How much is a flight from Colorado Springs to San Francisco?
The cheapest one-way fare we've seen recently is $130 with Allegiant Air, departing Wednesday, November 25, 2026.
What is the cheapest month to fly from Colorado Springs to San Francisco?
November 2026 currently has the lowest fares, from $130 one way.
Are there direct flights from Colorado Springs to San Francisco?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Colorado Springs to San Francisco?
The quickest journey we've seen takes about 3h 40m. Colorado Springs and San Francisco are around 1,540 km apart.
Which airlines fly from Colorado Springs to San Francisco?
Recent fares on this route were with Allegiant Air and Southwest Airlines.
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