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Cheap flights from Boise (BOI) to Denver (DEN)

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1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from Boise (BOI) to Denver (DEN)

How to find the cheapest flight from Boise (BOI) to Denver (DEN)
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How to find the cheapest flight from Boise (BOI) to Denver (DEN)
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How to find the cheapest flight from Boise (BOI) to Denver (DEN)
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Cheap flights from Boise to Denver in September , October 2026

17 Sep - 06 Oct $ 264.00
BOI
Boise
Alaska Airlines
1 STOPS
DEN
Denver
DEN
Denver
Alaska Airlines
1 STOPS
BOI
Boise
Pick dates
30 Sep - 03 Oct $ 277.00
BOI
Boise
United Airlines
DIRECT
DEN
Denver
DEN
Denver
United Airlines
DIRECT
BOI
Boise
Pick dates
18 Sep - 01 Oct $ 512.00
BOI
Boise
Alaska Airlines
1 STOPS
DEN
Denver
DEN
Denver
Alaska Airlines
1 STOPS
BOI
Boise
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Last minute flights from Boise to Denver

30 Sep - 30 Sep $ 248.00
BOI
Boise
Alaska Airlines
1 STOPS
DEN
Denver
DEN
Denver
Alaska Airlines
1 STOPS
BOI
Boise
Pick dates
17 Sep - 01 Oct $ 291.00
BOI
Boise
Frontier Airlines
1 STOPS
DEN
Denver
DEN
Denver
Frontier Airlines
1 STOPS
BOI
Boise
Pick dates
16 Sep - 30 Sep $ 482.00
BOI
Boise
Alaska Airlines
1 STOPS
DEN
Denver
DEN
Denver
Alaska Airlines
1 STOPS
BOI
Boise
Pick dates

One-way flights to Denver from Boise

5:30 PM - 5:30 PM
United Airlines
0 Stops
2h 1m
BOI - DEN
$ 99
Kiwi
Pick dates
2:50 PM - 6:45 AM
Frontier Airlines
1 Stops
19h 17m
BOI - DEN
$ 165
Kiwi
Pick dates
2:41 PM - 2:41 PM
United Airlines
0 Stops
1h 57m
BOI - DEN
$ 406
Kiwi
Pick dates

How to find the cheapest flight from Boise (BOI) to Denver (DEN)

Related info for your journey
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How to find the cheapest flight from Boise (BOI) to Denver (DEN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Boise (BOI) to Denver (DEN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.