Cheap flights from San Francisco to North Keystone

View AU$136 flight on Wed, 31 Dec. 2025Opens in a new window

Popular airlines from San Francisco to North Keystone

  • Delta

    Delta

  • Alaska Airlines

    Alaska Airlines

  • United

    United

  • American Airlines

    American Airlines

  • Hawaiian Airlines

    Hawaiian Airlines

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Cheap Flights from San Francisco (SJC) to North Keystone (DEN)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, 23 Aug. - Sat, 30 Aug.
SFO
San Francisco
DEN
Denver
AU$271 Return, found 5 days ago
AU$271
Return
found 5 days ago
Select American Airlines flight, departing Sat, 23 Aug. from San Francisco to Denver, returning Sat, 30 Aug., priced at AU$271 found 5 days ago
Hawaiian Airlines
Tue, 7 Oct. - Tue, 14 Oct.
SFO
San Francisco
DEN
Denver
AU$273 Return, found 17 hours ago
AU$273
Return
found 17 hours ago
Select Hawaiian Airlines flight, departing Tue, 7 Oct. from San Francisco to Denver, returning Tue, 14 Oct., priced at AU$273 found 17 hours ago
American Airlines
Sat, 23 Aug. - Mon, 25 Aug.
SFO
San Francisco
DEN
Denver
AU$274 Return, found 6 hours ago
AU$274
Return
found 6 hours ago
Select American Airlines flight, departing Sat, 23 Aug. from San Francisco to Denver, returning Mon, 25 Aug., priced at AU$274 found 6 hours ago
Alaska Airlines
Wed, 22 Oct. - Sat, 25 Oct.
SFO
San Francisco
DEN
Denver
AU$296 Return, found 6 days ago
AU$296
Return
found 6 days ago
Select Alaska Airlines flight, departing Wed, 22 Oct. from San Francisco to Denver, returning Sat, 25 Oct., priced at AU$296 found 6 days ago
Delta
Sat, 25 Oct. - Thu, 30 Oct.
SFO
San Francisco
DEN
Denver
AU$301 Return, found 5 days ago
AU$301
Return
found 5 days ago
Select Delta flight, departing Sat, 25 Oct. from San Francisco to Denver, returning Thu, 30 Oct., priced at AU$301 found 5 days ago
United
Sat, 25 Oct. - Thu, 30 Oct.
SFO
San Francisco
DEN
Denver
AU$310 Return, found 5 days ago
AU$310
Return
found 5 days ago
Select United flight, departing Sat, 25 Oct. from San Francisco to Denver, returning Thu, 30 Oct., priced at AU$310 found 5 days ago

Find the cheapest month to fly from San Francisco (SFO) to Denver (DEN)

March is typically the cheapest month to fly

From AU$74 - AU$609 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.