Cheap flights from Denver to Treasure Island

View AU$137 flight on Thu, 25 Sep. 2025Opens in a new window

Popular airlines from Denver to Treasure Island

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 35% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Denver (DEN) to Treasure Island (SJC)

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.

Delta
Thu, 18 Sep. - Wed, 24 Sep.
DEN
Denver
SFO
San Francisco
AU$302 Return, found 9 hours ago
AU$302
Return
found 9 hours ago
Select Delta flight, departing Thu, 18 Sep. from Denver to San Francisco, returning Wed, 24 Sep., priced at AU$302 found 9 hours ago
American Airlines
Sat, 30 Aug. - Sun, 7 Sep.
DEN
Denver
SFO
San Francisco
AU$304 Return, found 3 days ago
AU$304
Return
found 3 days ago
Select American Airlines flight, departing Sat, 30 Aug. from Denver to San Francisco, returning Sun, 7 Sep., priced at AU$304 found 3 days ago
Alaska Airlines
Sat, 30 Aug. - Sun, 7 Sep.
DEN
Denver
SFO
San Francisco
AU$305 Return, found 3 days ago
AU$305
Return
found 3 days ago
Select Alaska Airlines flight, departing Sat, 30 Aug. from Denver to San Francisco, returning Sun, 7 Sep., priced at AU$305 found 3 days ago
United
Thu, 18 Sep. - Wed, 24 Sep.
DEN
Denver
SFO
San Francisco
AU$310 Return, found 9 hours ago
AU$310
Return
found 9 hours ago
Select United flight, departing Thu, 18 Sep. from Denver to San Francisco, returning Wed, 24 Sep., priced at AU$310 found 9 hours ago
American Airlines
Thu, 18 Sep. - Wed, 24 Sep.
DEN
Denver
SFO
San Francisco
AU$328 Return, found 9 hours ago
AU$328
Return
found 9 hours ago
Select American Airlines flight, departing Thu, 18 Sep. from Denver to San Francisco, returning Wed, 24 Sep., priced at AU$328 found 9 hours ago
Delta
Thu, 18 Sep. - Wed, 24 Sep.
DEN
Denver
SFO
San Francisco
AU$332 Return, found 9 hours ago
AU$332
Return
found 9 hours ago
Select Delta flight, departing Thu, 18 Sep. from Denver to San Francisco, returning Wed, 24 Sep., priced at AU$332 found 9 hours ago

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

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.