What is the cheapest month to fly from Boise to Denver?

Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Boise (BOI) to Denver (DEN), with fares starting from $160.

What is the lowest current fare from BOI to DEN?

The lowest currently-listed fare from Boise (BOI) to Denver (DEN) is $160 on 2026-08-18.

Direct flights from BOI to DEN cover approximately 1,043 km (648 miles), with an estimated flight time of 1h 14m. Operating airlines: F9, UA, WN.

Cheapest current fares: $160 in August 2026, 1,043 km direct flight in ~1h 14m.

Last updated August 9, 2026 · By Flightmaps Editorial

Lowest available fare per calendar month from Boise (BOI) to Denver (DEN). Refreshed daily.

What is the cheapest month to fly from Boise to Denver?

Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Boise (BOI) to Denver (DEN), with fares starting from $160.
What is the lowest current fare from BOI to DEN?

The lowest currently-listed fare from Boise (BOI) to Denver (DEN) is $160 on 2026-08-18.
How long is the flight from Boise to Denver?

Direct flights from BOI to DEN cover approximately 1,043 km (648 miles), with an estimated flight time of 1h 14m. Operating airlines: F9, UA, WN.

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