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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 May , June 2026

31 May - 23 Jun $ 198.00
BOI
Boise
Frontier Airlines
DIRECT
DEN
Denver
DEN
Denver
Frontier Airlines
DIRECT
BOI
Boise
Pick dates
24 May - 09 Jun $ 262.00
BOI
Boise
Frontier Airlines
DIRECT
DEN
Denver
DEN
Denver
Frontier Airlines
DIRECT
BOI
Boise
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26 May - 09 Jun $ 282.00
BOI
Boise
Frontier Airlines
DIRECT
DEN
Denver
DEN
Denver
Frontier Airlines
DIRECT
BOI
Boise
Pick dates

Last minute flights from Boise to Denver

28 May - 31 May $ 326.00
BOI
Boise
Frontier Airlines
DIRECT
DEN
Denver
DEN
Denver
Frontier Airlines
DIRECT
BOI
Boise
Pick dates
24 May - 31 May $ 347.00
BOI
Boise
Frontier Airlines
DIRECT
DEN
Denver
DEN
Denver
Frontier Airlines
DIRECT
BOI
Boise
Pick dates
26 May - 31 May $ 617.00
BOI
Boise
United Airlines
DIRECT
DEN
Denver
DEN
Denver
United Airlines
DIRECT
BOI
Boise
Pick dates

One-way flights to Denver from Boise

1:25 PM - 1:25 PM
Frontier Airlines
0 Stops
2h 16m
BOI - DEN
$ 131
Kiwi
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1:25 PM - 1:25 PM
Frontier Airlines
0 Stops
2h 16m
BOI - DEN
$ 195
Kiwi
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2:40 PM - 2:40 PM
United Airlines
0 Stops
1h 59m
BOI - DEN
$ 316
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.