Denver to Billings flights

Routavio compares airline fares from several flight booking sites. Search Denver to Billings to see the lowest price before you book.

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Lowest fare seen

€106Seen on 12 Oct 2026

Last checked

27 Oct 2026

Observed fares. Prices may change.

Your next trip, last seen at €106

Lowest observed

2 Dec 2026

Frontier Airlines · 2 stops · One way

Cheapest observed day · Last checked: 12 Oct 2026

Departure

13:54

When to fly

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One-way fare

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

Airlines seen: United Airlines, Air Canada, Alaska Airlines, Allegiant Air, American Airlines, Breeze Airways, Delta Air Lines, Frontier Airlines, Porter Airlines Canada, Viva Aerobus (10)
Reported fastest flight: 1h 39m
Non-stop: Yes

Short answer

Routavio has seen United Airlines fares from Denver to Billings, non-stop. These are prices Routavio's searches returned on the dates shown, not quotes; run a live search for today's fare. Lowest fare seen: €106 on 12 Oct 2026.

About this route

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

Route distance: 731 km
Reported fastest flight: 1h 39m
Alternative airports: APA

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

A clearer picture of your fare

Observed, not guaranteed

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

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The price is final on the provider's site, where your booking is completed.

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.
Billings Logan International Airport (BIL) → Billings, city gazetteer reference point (45.7833, -108.5007): ≈ 4 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 was a flight from Denver to Billings?

A fare of €106 was seen on 12 Oct 2026. Fares change, so search your dates for the current price.

Are there direct flights from Denver to Billings?

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

Which airlines fly from Denver to Billings?

Routavio has seen these carriers on the route: United Airlines, Air Canada, Alaska Airlines, Allegiant Air, American Airlines, Breeze Airways, Delta Air Lines, Frontier Airlines, Porter Airlines Canada, Viva Aerobus (10).

How long does the flight from Denver to Billings take?

Across the 50 fares Routavio observed, the average journey time is 20h 04m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.

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