Cheap flights from Fort Collins

View AU$107 flight on Tue, 21 Oct. 2025Opens in a new window

Popular airlines from Fort Collins

  • American Airlines

    American Airlines

  • Delta

    Delta

  • Frontier Airlines

    Frontier Airlines

  • United

    United

  • Southwest Airlines

    Southwest Airlines

  • Alaska Airlines

    Alaska Airlines

  • JetBlue Airways

    JetBlue Airways

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Cheapest flights from Fort Collins

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, 6 Sep. - Sun, 7 Sep.
DEN
Denver
PHX
Phoenix
AU$218 Return, found 9 hours ago
AU$218
Return
found 9 hours ago
Select American Airlines flight, departing Sat, 6 Sep. from Denver to Phoenix, returning Sun, 7 Sep., priced at AU$218 found 9 hours ago
American Airlines
Wed, 17 Sep. - Wed, 24 Sep.
DEN
Denver
MIA
Miami
AU$248 Return, found 2 days ago
AU$248
Return
found 2 days ago
Select American Airlines flight, departing Wed, 17 Sep. from Denver to Miami, returning Wed, 24 Sep., priced at AU$248 found 2 days ago
American Airlines
Sat, 6 Sep. - Sat, 13 Sep.
DEN
Denver
PHX
Phoenix
AU$258 Return, found 6 days ago
AU$258
Return
found 6 days ago
Select American Airlines flight, departing Sat, 6 Sep. from Denver to Phoenix, returning Sat, 13 Sep., priced at AU$258 found 6 days ago
American Airlines
Sat, 20 Sep. - Sun, 21 Sep.
DEN
Denver
MIA
Miami
AU$274 Return, found 1 day ago
AU$274
Return
found 1 day ago
Select American Airlines flight, departing Sat, 20 Sep. from Denver to Miami, returning Sun, 21 Sep., priced at AU$274 found 1 day ago
American Airlines
Sat, 6 Sep. - Sun, 7 Sep.
DEN
Denver
PHX
Phoenix
AU$276 Return, found 9 hours ago
AU$276
Return
found 9 hours ago
Select American Airlines flight, departing Sat, 6 Sep. from Denver to Phoenix, returning Sun, 7 Sep., priced at AU$276 found 9 hours ago
American Airlines
Thu, 21 Aug. - Mon, 25 Aug.
DEN
Denver
PHX
Phoenix
AU$296 Return, found 10 hours ago
AU$296
Return
found 10 hours ago
Select American Airlines flight, departing Thu, 21 Aug. from Denver to Phoenix, returning Mon, 25 Aug., priced at AU$296 found 10 hours ago
American Airlines
Sun, 14 Sep. - Sun, 21 Sep.
DEN
Denver
MIA
Miami
AU$300 Return, found 4 days ago
AU$300
Return
found 4 days ago
Select American Airlines flight, departing Sun, 14 Sep. from Denver to Miami, returning Sun, 21 Sep., priced at AU$300 found 4 days ago
Delta
Sat, 6 Sep. - Sat, 13 Sep.
DEN
Denver
PHX
Phoenix
AU$302 Return, found 6 days ago
AU$302
Return
found 6 days ago
Select Delta flight, departing Sat, 6 Sep. from Denver to Phoenix, returning Sat, 13 Sep., priced at AU$302 found 6 days ago
United
Sat, 6 Sep. - Sat, 13 Sep.
DEN
Denver
PHX
Phoenix
AU$311 Return, found 6 days ago
AU$311
Return
found 6 days ago
Select United flight, departing Sat, 6 Sep. from Denver to Phoenix, returning Sat, 13 Sep., priced at AU$311 found 6 days ago
Alaska Airlines
Tue, 18 Nov. - Tue, 25 Nov.
DEN
Denver
PHX
Phoenix
AU$345 Return, found 2 days ago
AU$345
Return
found 2 days ago
Select Alaska Airlines flight, departing Tue, 18 Nov. from Denver to Phoenix, returning Tue, 25 Nov., priced at AU$345 found 2 days ago

Flights from Fort Collins: Essential Travel Information

Cheapest flight from Fort Collins
AU$218 (roundtrip)
Best airlines to fly from Fort Collins
American Airlines, Alaska Airlines, United, Delta
Cheapest month to fly from Fort Collins
September
Fort Collins IATA code
DEN
Fort Collins Country/State
Colorado
Airline ticket deals from Fort Collins
AU$218 - AU$345
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