Cheap flights from Sun Valley to Steamboat Springs

View AU$151 flight on Wed, 17 Sep. 2025Opens in a new window

Popular airlines from Sun Valley to Steamboat Springs

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Cheap Flights from Sun Valley (BOI) to Steamboat Springs (CIG)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 27 Aug. - Wed, 3 Sep.
SUN
Sun Valley
DEN
Denver
AU$348 Return, found 19 hours ago
AU$348
Return
found 19 hours ago
Select Delta flight, departing Wed, 27 Aug. from Sun Valley to Denver, returning Wed, 3 Sep., priced at AU$348 found 19 hours ago
Delta
Mon, 25 Aug. - Fri, 29 Aug.
BOI
Boise
DEN
Denver
AU$374 Return, found 19 hours ago
AU$374
Return
found 19 hours ago
Select Delta flight, departing Mon, 25 Aug. from Boise to Denver, returning Fri, 29 Aug., priced at AU$374 found 19 hours ago
Alaska Airlines
Mon, 25 Aug. - Fri, 29 Aug.
BOI
Boise
DEN
Denver
AU$406 Return, found 19 hours ago
AU$406
Return
found 19 hours ago
Select Alaska Airlines flight, departing Mon, 25 Aug. from Boise to Denver, returning Fri, 29 Aug., priced at AU$406 found 19 hours ago
Alaska Airlines
Mon, 25 Aug. - Fri, 29 Aug.
BOI
Boise
DEN
Denver
AU$412 Return, found 19 hours ago
AU$412
Return
found 19 hours ago
Select Alaska Airlines flight, departing Mon, 25 Aug. from Boise to Denver, returning Fri, 29 Aug., priced at AU$412 found 19 hours ago
United
Wed, 27 Aug. - Wed, 3 Sep.
SUN
Sun Valley
DEN
Denver
AU$423 Return, found 19 hours ago
AU$423
Return
found 19 hours ago
Select United flight, departing Wed, 27 Aug. from Sun Valley to Denver, returning Wed, 3 Sep., priced at AU$423 found 19 hours ago
American Airlines
Mon, 25 Aug. - Fri, 29 Aug.
BOI
Boise
DEN
Denver
AU$580 Return, found 19 hours ago
AU$580
Return
found 19 hours ago
Select American Airlines flight, departing Mon, 25 Aug. from Boise to Denver, returning Fri, 29 Aug., priced at AU$580 found 19 hours ago

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

June is typically the cheapest month to fly

From AU$181 - AU$415 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.