Cheap flights from Billings to Denver International

Compare Billings to Denver International flight deals

Find the cheapest month or even day of the year to fly to Denver International

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Flight deals from Billings to Denver International

Looking for a cheap last-minute deal or the best round-trip flight from Billings to Denver International? Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Billings to Denver International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Billings to Denver International flights are currently cheapest in June.

Direct flights from Billings to Denver International

Billings to Denver International: Alternative routes

Compare routes from Billings to Denver below. You may find an airport to fly into that's cheaper, faster, or easier than Denver International.

Billings to Denver: Flight information

The things to know before you go.
Cheapest flight foundC$262
Cheapest month to flyJune
Average flight time1 hr, 48 mins
Most popular airlineUnited
Average flights per week123

Finding cheap flights from Billings to Denver International: Frequently asked questions

The best price we found for a round-trip flight from Billings to Denver International is C$262. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 48 minutes is the average flight time from Billings to Denver International.
United, SkyWest Airlines and Air Canada fly direct from Billings to Denver International.
There are 123 flights per week flying from Billings to Denver International, as of April 2025.
The cheapest month to fly from Billings to Denver International is usually April 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Billings Airport to Denver International Airport on Friday, June 13, 2025.
Yes – the average flight time is 1 hour and 48 minutes.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Denver is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, United offers the cheapest flight tickets to Denver International.

Flying from Billings Logan International Airport (BIL) to Denver International Airport (DEN): what you need to know

  • The average length of a direct flight from Billings Logan International Airport to Denver International Airport is 1 hour 45 minutes.

  • Billings and Denver are both in the UTC-6 timezone. This means you won't have to change your watch when you arrive.

  • Flights from BIL to DEN start at 05:15 — the first with United Airlines. The last departure is at 17:59 with United Airlines. Overall, you can take your pick of 50 weekly Billings Logan International Airport to Denver International Airport flights.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules worth sticking to. Get to the airport on time to catch your BIL to DEN flight.

  • During popular months such as July, it's a good idea to get to the airport well in advance. Plan to arrive two hours before a domestic departure and four hours ahead for international flights when you travel during peak periods in general.

  • United Airlines is your gateway to exploring Denver (and maybe even some other exciting corners of United States!). Browse the direct flights from Billings Logan International Airport to Denver International Airport offered by this popular airline.

  • Most travellers choose to travel with United Airlines on this route.

  • United Airlines ranks as the leading on-time carrier for BIL to DEN flights, with 86.97% of services landing as scheduled.

  • If you'd like to explore another city along the way, just uncheck 'Direct flights only' when searching for your ticket from Billings Logan International Airport to Denver International Airport. These are the most popular stopovers between BIL and DEN:

    • Salt Lake City International Airport

    • Phoenix Sky Harbour International Airport

    • Harry Reid Airport (formerly McCarran Airport)

How to find the cheapest flights from Billings Logan International Airport (BIL) to Denver International Airport (DEN)

  • Right now, C$215 is the cheapest price we've seen for a one-way Billings Logan International Airport to Denver International Airport flight. The best price for a return ticket is C$262. Remember that fares could change due to availability when booking.

  • Book six months before your departure date. After looking at the numbers on our calendar, this is how far you'll want to book ahead to secure cheap tickets from BIL to DEN.

  • May is the cheapest month for flights from Billings Logan International Airport to Denver International Airport. If you want to travel at a different time of year, the 'Whole month' tool will give you the lowest prices for every month.

  • Cut down on the time spent looking for cheap flights from BIL to DEN by setting up a Price Alert. You'll receive an email or notification on the app when fares go down.

  • Pick your ideal departure and arrival times, airlines and number of stops with the filters. Or sort your results by 'Cheapest' to find the best deals on flights from Billings Logan International Airport to Denver International Airport.

Handy information about Billings Logan International Airport (BIL)

  • The address for BIL is 1901 Terminal Circle, Room 216.

  • When it comes to the on-time performance of Billings Logan International Airport, 75.96% of flights complete their journey on time.

  • Central Billings to Billings Logan International Airport is approximately 5 kilometres. Depending on traffic, it'll take about 10 minutes to get there if you're catching a cab, ride-sharing or driving.

  • The journey when using public transport takes about 25 minutes.

  • Booked an early flight from Billings Logan International Airport to Denver International Airport? Avoid the last-minute rush to the terminal (and get some extra shut-eye) by choosing one of these hotels near BIL:

Arriving at Denver International Airport (DEN)

  • Once your Billings Logan International Airport to Denver International Airport flight has arrived, unwind and relax at a nearby hotel. Baymont by Wyndham Denver International Airport is a convenient option within easy reach of DEN.

  • Follow your own route with a Denver International Airport rental car. Pick up a set of wheels from Routes Car Rentals, Dollar or Budget and discover more of Denver and beyond.

  • Lock in the best deal by booking your vehicle from Denver International Airport around one week ahead of your departure.

Getting from Denver International Airport (DEN) to central Denver

  • DEN is located at 8500 Pena Boulevard.

  • Denver International Airport to central Denver has a drive time of about 35 minutes. It's approximately 40 kilometres away.

  • It takes roughly 1 hour 30 minutes when travelling by public transport.

When to fly to Denver International Airport (DEN)

  • The quietest month for a flight from Billings Logan International Airport to Denver International Airport is April, while July is the most popular. Pick the best time to visit Denver based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • Before locking in your flight from Billings Logan International Airport to Denver International Airport, consider the kind of weather you enjoy. July is the warmest month in Denver, with the temperature ranging from 14ºC (57ºF) to 32ºC (90ºF).

  • For cooler conditions, look for a cheap ticket from BIL to DEN in January. Temperatures average between -9ºC (16ºF) and 7ºC (45ºF) then.

Explore more of United States

  • Denver has its own special appeal, but there are so many other parts of United States just waiting to be explored. Around 105 kilometres south of Denver, a visit to Colorado Springs will keep you on the go. Start with attractions like US Northern Command (USNORTHCOM) / North American Aerospace Defence Command (NORAD) Headquarters, Cheyenne Mountain Air Force Station and National Strength and Conditioning Association (NSCA).

  • Aurora is another standout destination in United States and is around 13 kilometres east of Denver. No trip is complete without visiting Magellan's Travel Solutions and Gear, The Fairways at Lowry and Retired Enlisted Association Inc.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.