Flights to Peak to Peak Highway from Boise - $285

View $285 flight on Wed, Jul 23, 2025Opens in a new window

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Cheap Flights from Boise to Peak to Peak Highway (BOI-FNL)

Prices were available within the past 7 days and start at $285 for one-way flights and $217 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, Aug 15 - Tue, Aug 19
BOI
Boise
FNL
Fort Collins
$217 Roundtrip, found 6 days ago
$217
Roundtrip
found 6 days ago
Select United flight, departing Fri, Aug 15 from Boise to Fort Collins, returning Tue, Aug 19, priced at $217 found 6 days ago
United
Fri, Aug 15 - Tue, Aug 19
BOI
Boise
FNL
Fort Collins
$267 Roundtrip, found 6 days ago
$267
Roundtrip
found 6 days ago
Select United flight, departing Fri, Aug 15 from Boise to Fort Collins, returning Tue, Aug 19, priced at $267 found 6 days ago
United
Tue, Aug 19 - Tue, Aug 26
BOI
Boise
FNL
Fort Collins
$272 Roundtrip, found 6 days ago
$272
Roundtrip
found 6 days ago
Select United flight, departing Tue, Aug 19 from Boise to Fort Collins, returning Tue, Aug 26, priced at $272 found 6 days ago
United
Fri, Aug 15 - Tue, Aug 19
BOI
Boise
FNL
Fort Collins
$287 Roundtrip, found 6 days ago
$287
Roundtrip
found 6 days ago
Select United flight, departing Fri, Aug 15 from Boise to Fort Collins, returning Tue, Aug 19, priced at $287 found 6 days ago
United
Tue, Aug 19 - Thu, Aug 21
BOI
Boise
FNL
Fort Collins
$292 Roundtrip, found 6 days ago
$292
Roundtrip
found 6 days ago
Select United flight, departing Tue, Aug 19 from Boise to Fort Collins, returning Thu, Aug 21, priced at $292 found 6 days ago
United
Fri, Aug 15 - Tue, Aug 19
BOI
Boise
FNL
Fort Collins
$304 Roundtrip, found 6 days ago
$304
Roundtrip
found 6 days ago
Select United flight, departing Fri, Aug 15 from Boise to Fort Collins, returning Tue, Aug 19, priced at $304 found 6 days ago
United
Sun, Aug 17 - Thu, Aug 21
BOI
Boise
FNL
Fort Collins
$312 Roundtrip, found 6 days ago
$312
Roundtrip
found 6 days ago
Select United flight, departing Sun, Aug 17 from Boise to Fort Collins, returning Thu, Aug 21, priced at $312 found 6 days ago
United
Wed, Aug 20 - Sun, Aug 24
BOI
Boise
FNL
Fort Collins
$312 Roundtrip, found 6 days ago
$312
Roundtrip
found 6 days ago
Select United flight, departing Wed, Aug 20 from Boise to Fort Collins, returning Sun, Aug 24, priced at $312 found 6 days ago

Find the cheapest month to fly from Boise (BOI) to Denver (DEN)

June is typically the cheapest month to fly

From $118 - $270 per traveler.

Graph displaying average flight prices per month

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