Cheap flights from Denver to Boise

One-way fares from $141 · DEN → BOI · prices found by travellers in the last 48 hours

Compare all dates Boise → Denver
Cheapest fare
$141

Frontier Airlines · Sat, Nov 14

Cheapest month
November

from $141

Direct flights
Not recently

Usually 1+ stop

Quickest trip
3h 53m

1,030 km

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Cheapest month to fly from Denver to Boise

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest $141

Cheapest dates in November 2026

The lowest fares we've seen for each day, cheapest first.

Frontier Airlines
Depart15:00 Sat, Nov 14DEN → BOI 3h 56m · 1 stop
$141one way, per person
View deal
Frontier Airlines
Depart14:28 Tue, Nov 10DEN → BOI 4h 51m · 1 stop
$201one way, per person
View deal
Frontier Airlines
Depart14:38 Fri, Nov 13DEN → BOI 7h 06m · 2 stops
$257one way, per person
View deal
Frontier Airlines
Depart22:29 Sun, Nov 8DEN → BOI 6h 33m · 2 stops
$259one way, per person
View deal
See every date in November 2026 →

Plan the rest of your trip to Boise

Where to stay, what to do and getting around, from our travel partners.

Where to stay

Hotels in BoiseCompare places to stay on Booking.com Find hotels →

Things to do

Things to do in BoiseTours, attractions and day trips on Klook Explore →

Getting around

Airport transfer in BoisePre-book a driver to meet you at arrivals, with Kiwitaxi Book a transfer → Car hire in BoiseCompare rental cars from major brands on EconomyBookings Compare cars →

About flights from Denver to Boise

Denver (DEN) and Boise (BOI) 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 53m. Over the next few months, one-way fares start from $141, 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 Denver to Boise?

The cheapest one-way fare we've seen recently is $141 with Frontier Airlines, departing Saturday, November 14, 2026.

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

November 2026 currently has the lowest fares, from $141 one way.

Are there direct flights from Denver to Boise?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Denver to Boise?

The quickest journey we've seen takes about 3h 53m. Denver and Boise are around 1,030 km apart.

Which airlines fly from Denver to Boise?

Recent fares on this route were with Frontier Airlines.

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