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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 April , May 2026

19 Apr - 26 May $ 188.00
BOI
Boise
Frontier Airlines
DIRECT
DEN
Denver
DEN
Denver
Frontier Airlines
DIRECT
BOI
Boise
Pick dates
12 Apr - 10 May $ 273.00
BOI
Boise
Frontier Airlines
DIRECT
DEN
Denver
DEN
Denver
Frontier Airlines
DIRECT
BOI
Boise
Pick dates
12 Apr - 07 May $ 298.00
BOI
Boise
Frontier Airlines
DIRECT
DEN
Denver
DEN
Denver
Frontier Airlines
DIRECT
BOI
Boise
Pick dates

Last minute flights from Boise to Denver

28 Apr - 30 Apr $ 337.00
BOI
Boise
United Airlines
DIRECT
DEN
Denver
DEN
Denver
United Airlines
DIRECT
BOI
Boise
Pick dates
12 Apr - 30 Apr $ 360.00
BOI
Boise
Alaska Airlines
DIRECT
DEN
Denver
DEN
Denver
Alaska Airlines
1 STOPS
BOI
Boise
Pick dates
12 Apr - 30 Apr $ 360.00
BOI
Boise
Alaska Airlines
DIRECT
DEN
Denver
DEN
Denver
Alaska Airlines
1 STOPS
BOI
Boise
Pick dates

One-way flights to Denver from Boise

2:37 PM - 2:37 PM
United Airlines
0 Stops
2h 3m
BOI - DEN
$ 122
Kiwi
Pick dates
12:03 PM - 12:03 PM
Frontier Airlines
0 Stops
2h 3m
BOI - DEN
$ 189
Kiwi
Pick dates
12:03 PM - 12:03 PM
Frontier Airlines
0 Stops
2h 3m
BOI - DEN
$ 254
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.