£158 Cheap Flights from Billings (BIL) to Denver (DEN)

View £158 flight on Fri, 17 Oct 2025Opens in a new window

Popular airlines from Billings Logan Intl. Airport (BIL) to Denver International Airport (DEN)

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Cheap Flights from Billings (BIL) to Denver (DEN)

Prices were available within the past 7 days and start at £158 for one-way flights and £268 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Fri, 12 Sep - Fri, 19 Sep
BIL
Billings
DEN
Denver
£268 Return, found 10 hours ago
£268
Return
found 10 hours ago
Select Alaska Airlines flight, departing Fri, 12 Sep from Billings to Denver, returning Fri, 19 Sep, priced at £268 found 10 hours ago
Alaska Airlines
Wed, 17 Sep - Wed, 24 Sep
BIL
Billings
DEN
Denver
£273 Return, found 10 hours ago
£273
Return
found 10 hours ago
Select Alaska Airlines flight, departing Wed, 17 Sep from Billings to Denver, returning Wed, 24 Sep, priced at £273 found 10 hours ago
Alaska Airlines
Wed, 17 Sep - Wed, 24 Sep
BIL
Billings
DEN
Denver
£293 Return, found 10 hours ago
£293
Return
found 10 hours ago
Select Alaska Airlines flight, departing Wed, 17 Sep from Billings to Denver, returning Wed, 24 Sep, priced at £293 found 10 hours ago
Alaska Airlines
Fri, 12 Sep - Fri, 19 Sep
BIL
Billings
DEN
Denver
£305 Return, found 10 hours ago
£305
Return
found 10 hours ago
Select Alaska Airlines flight, departing Fri, 12 Sep from Billings to Denver, returning Fri, 19 Sep, priced at £305 found 10 hours ago
Alaska Airlines
Fri, 12 Sep - Fri, 19 Sep
BIL
Billings
DEN
Denver
£312 Return, found 10 hours ago
£312
Return
found 10 hours ago
Select Alaska Airlines flight, departing Fri, 12 Sep from Billings to Denver, returning Fri, 19 Sep, priced at £312 found 10 hours ago
Alaska Airlines
Mon, 15 Sep - Mon, 22 Sep
BIL
Billings
DEN
Denver
£317 Return, found 10 hours ago
£317
Return
found 10 hours ago
Select Alaska Airlines flight, departing Mon, 15 Sep from Billings to Denver, returning Mon, 22 Sep, priced at £317 found 10 hours ago
Alaska Airlines
Mon, 15 Sep - Mon, 22 Sep
BIL
Billings
DEN
Denver
£319 Return, found 10 hours ago
£319
Return
found 10 hours ago
Select Alaska Airlines flight, departing Mon, 15 Sep from Billings to Denver, returning Mon, 22 Sep, priced at £319 found 10 hours ago
Alaska Airlines
Wed, 17 Sep - Wed, 24 Sep
BIL
Billings
DEN
Denver
£328 Return, found 10 hours ago
£328
Return
found 10 hours ago
Select Alaska Airlines flight, departing Wed, 17 Sep from Billings to Denver, returning Wed, 24 Sep, priced at £328 found 10 hours ago
Alaska Airlines
Tue, 19 Aug - Tue, 26 Aug
BIL
Billings
DEN
Denver
£339 Return, found 2 days ago
£339
Return
found 2 days ago
Select Alaska Airlines flight, departing Tue, 19 Aug from Billings to Denver, returning Tue, 26 Aug, priced at £339 found 2 days ago
Alaska Airlines
Mon, 15 Sep - Mon, 22 Sep
BIL
Billings
DEN
Denver
£342 Return, found 10 hours ago
£342
Return
found 10 hours ago
Select Alaska Airlines flight, departing Mon, 15 Sep from Billings to Denver, returning Mon, 22 Sep, priced at £342 found 10 hours ago

Find the cheapest month to fly from Billings (BIL) to Denver (DEN)

September is typically the cheapest month to fly

From £142 - £366 per traveller.

Graph displaying average flight prices per month

Flight from Billings to Denver route information
Origin airport
Logan Intl.
Destination airport
Denver Intl.
Return price
£267
Distance
728 km
Average flight time
1 hour 47 mins

Compare flights from Billings to Denver easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Billings to Denver. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Denver Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Logan Intl. to Denver Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Logan Intl. (BIL) to Denver Intl. (DEN)

The easiest way to view the best deals on flights from Billings to Denver today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Logan Intl. to Denver Intl. start at just £268 and range up to £342.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Billings and Denver
  • booking your flight during September, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Billings to Denver flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Logan Intl. to Denver Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from BIL to DEN?
The lowest price advertised for a round-trip flight between Billings Logan International Airport and DIA airport is £268. But you better get moving. This figure is based on fares offered within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from BIL to DEN?
We understand that your situation can change unexpectedly, so we've made it as hassle-free as possible for you to cancel your trip online. Just visit the Customer Service Portal and follow the instructions.
How do I find cheap flights from Billings Logan International Airport to Denver Intl. Airport (DEN) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Billings Logan International Airport to DIA airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Logan Intl. Airport (BIL) to Denver Intl. Airport (DEN)?
That movie you've been eager to see will just have to wait — the flight distance between Billings Logan International Airport (BIL) and Denver Airport (DEN) is only 730 kilometres. The captain will be instructing you to buckle up for touchdown before you know it.
Which airlines fly direct from Logan Intl. Airport (BIL) to Denver Intl. Airport (DEN)?
A popular choice with many frequent travellers, United Airlines (UA) offers 91 monthly flights from BIL to DIA airport. Pick the one that fits in with your travel plans and book your seat today.
Are BIL to Denver Airport flight tickets cheaper when they're purchased at the last minute?
Last-minute bookings from Billings Logan International Airport to DEN can be hit-or-miss. You may be able to score a great bargain, but then again, you could miss out! If you'd rather start your travel planning ahead of time, Expedia compares flight deals up to a year in advance. Just bear in mind that not all airlines publish their prices so far in advance. Our advice? Check back often as prices are updated frequently.

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