Alaska AirlinesDepart18:43
Tue, Nov 10BOI → DEN
4h 52m · 1 stop
$156one way, per person
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- Cheapest fare
- $156
- Cheapest month
- November
- Direct flights
- Not recently
- Quickest trip
- 3h 47m
Alaska Airlines · Tue, Nov 10
from $156
Usually 1+ stop
1,030 km
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Cheapest month to fly from Boise to Denver
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in November 2026
The lowest fares we've seen for each day, cheapest first.
See every date in November 2026 →
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About flights from Boise to Denver
Boise (BOI) and Denver (DEN) are about 1,030 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 3h 47m. Over the next few months, one-way fares start from $156, and November 2026 is currently the cheapest month to fly.
These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.
Frequently asked questions
How much is a flight from Boise to Denver?
The cheapest one-way fare we've seen recently is $156 with Alaska Airlines, departing Tuesday, November 10, 2026.
What is the cheapest month to fly from Boise to Denver?
November 2026 currently has the lowest fares, from $156 one way.
Are there direct flights from Boise to Denver?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Boise to Denver?
The quickest journey we've seen takes about 3h 47m. Boise and Denver are around 1,030 km apart.
Which airlines fly from Boise to Denver?
Recent fares on this route were with Alaska Airlines and Frontier Airlines.
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