Flights to Southwest Idaho from Denver - ￥29,350

View ￥29,350 flight on Sun, Jul 27, 2025Opens in a new window

Popular airlines from Denver to Southwest Idaho

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

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Cheap Flights from Denver to Southwest Idaho (DEN-BOI)

Prices were available within the past 7 days and start at ￥29,350 for one-way flights and ￥29,510 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Aug 9 - Thu, Aug 14
COS
Colorado Springs
BOI
Boise
￥29,510 Roundtrip, found 1 day ago
￥29,510
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Aug 9 from Colorado Springs to Boise, returning Thu, Aug 14, priced at ￥29,510 found 1 day ago
Delta
Mon, Aug 11 - Sat, Aug 16
DEN
Denver
BOI
Boise
￥32,090 Roundtrip, just found
￥32,090
Roundtrip
just found
Select Delta flight, departing Mon, Aug 11 from Denver to Boise, returning Sat, Aug 16, priced at ￥32,090 just found
Delta
Sat, Aug 9 - Thu, Aug 14
COS
Colorado Springs
BOI
Boise
￥32,300 Roundtrip, found 1 day ago
￥32,300
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Aug 9 from Colorado Springs to Boise, returning Thu, Aug 14, priced at ￥32,300 found 1 day ago
United
Sat, Aug 9 - Thu, Aug 14
COS
Colorado Springs
BOI
Boise
￥35,640 Roundtrip, found 1 day ago
￥35,640
Roundtrip
found 1 day ago
Select United flight, departing Sat, Aug 9 from Colorado Springs to Boise, returning Thu, Aug 14, priced at ￥35,640 found 1 day ago
Delta
Mon, Aug 11 - Sat, Aug 16
DEN
Denver
BOI
Boise
￥41,010 Roundtrip, just found
￥41,010
Roundtrip
just found
Select Delta flight, departing Mon, Aug 11 from Denver to Boise, returning Sat, Aug 16, priced at ￥41,010 just found
American Airlines
Mon, Aug 11 - Sat, Aug 16
DEN
Denver
BOI
Boise
￥53,370 Roundtrip, just found
￥53,370
Roundtrip
just found
Select American Airlines flight, departing Mon, Aug 11 from Denver to Boise, returning Sat, Aug 16, priced at ￥53,370 just found

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

May is typically the cheapest month to fly

From ￥14,360 - ￥45,780 per traveler.

Graph displaying average flight prices per month

*Available to Expedia members.