Denver to Boise flights

Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for Denver to Boise is €159 (checked on 26 Oct 2026).

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Lowest observed

€159

Cheapest month

October 2026

Last checked

26 Oct 2026

Observed fares. Prices may change.

Your next trip, last seen at €266

2 Nov 2026

1 stop · One way

Cheapest observed day · Last checked: 26 Oct 2026

Departure

19:25

When to fly

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One-way fare

One-way fare · No data: click and we will search

Lowest observed: €159, departing 29 Oct 2026 (Last checked: 26 Oct 2026)One-way fareCheck live prices for this route
Airlines seen: United Airlines, Southwest Airlines, Alaska Airlines, Frontier Airlines
Reported fastest flight: 2h
Non-stop: Yes

Short answer

Routavio has seen United Airlines fares from Denver to Boise, non-stop. The lowest fare Routavio's own searches returned is €159, seen on 26 Oct 2026. October 2026 is the cheapest month in our observations, at €159. These are prices Routavio's searches returned on the dates shown, not quotes; run a live search for today's fare.

About this route

Explore the fares we observed from Denver to Boise. Prices move often, so pick your dates to see the latest options.

Route distance: 1,025 km
Reported fastest flight: 2h
Alternative airports: APA

Route-level information; individual journeys vary.
Published schedules report non-stop service with United Airlines, Southwest Airlines. Check current timetables.

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Observed, not guaranteed

Every price is a fare we actually saw, and it may change at any time.

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How our prices work

Airport to city: straight-line distance

Denver International Airport (DEN) → Denver, city gazetteer reference point (39.7392, -104.9847): ≈ 30 km.
Boise Air Terminal/Gowen Field (BOI) → Boise, city gazetteer reference point (43.6150, -116.2023): ≈ 6 km.

Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.

Frequently asked

How much is a flight from Denver to Boise?

The lowest fare Routavio has observed is €159, found on 26 Oct 2026. Prices move, so read it as a floor rather than a quote.

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

In our observations October 2026 is the cheapest month so far, at €159.

Are there direct flights from Denver to Boise?

Yes. Published schedules report non-stop flights on this route with United Airlines, Southwest Airlines.

Which airlines fly from Denver to Boise?

Routavio has seen these carriers on the route: United Airlines, Southwest Airlines, Alaska Airlines, Frontier Airlines.

How long does the flight from Denver to Boise take?

Across the 79 fares Routavio observed, the average journey time is 5h 14m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.

How many of the observed Denver to Boise fares were non-stop?

32 of the 81 fares we observed were non-stop; the rest included at least one stop. That describes our observations, not every flight that operates.

How observed prices work, what "No data" means and what a fare includes: Read the flight price guide