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Cheap flights from Helena to Denver from $104

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Helena to Denver departing on 11/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Helena to Denver

Cheap round-trip flights

United Airlines Logo
5:18 pm - 7:25 pmHLN-DEN
2h 07mnonstop
United Airlines Logo
12:10 pm - 2:09 pmDEN-HLN
1h 59mnonstop
$276United Airlines
Find Deal
Thu, Oct 9 - Sun, Oct 12
United Airlines Logo
5:18 pm - 7:25 pmHLN-DEN
2h 07mnonstop
United Airlines Logo
7:00 pm - 9:00 pmDEN-HLN
2h 00mnonstop
$279United Airlines
Find Deal
Fri, Oct 10 - Sun, Oct 12
United Airlines Logo
5:18 pm - 7:25 pmHLN-DEN
2h 07mnonstop
United Airlines Logo
12:10 pm - 2:09 pmDEN-HLN
1h 59mnonstop
$281United Airlines
Find Deal
Sat, Oct 4 - Sun, Oct 5
United Airlines Logo
5:18 pm - 7:25 pmHLN-DEN
2h 07mnonstop
United Airlines Logo
7:00 pm - 9:00 pmDEN-HLN
2h 00mnonstop
$319United Airlines
Find Deal
Fri, Oct 17 - Sun, Oct 19
Alaska Airlines Logo
4:02 pm - 10:02 pmHLN-DEN
6h 00m1 stop
Alaska Airlines Logo
9:23 pm - 5:41 pmDEN-HLN
20h 18m1 stop
$322Alaska Airlines
Find Deal
Mon, Sep 29 - Fri, Oct 3
United Airlines Logo
6:30 am - 8:37 amHLN-DEN
2h 07mnonstop
United Airlines Logo
7:00 pm - 9:00 pmDEN-HLN
2h 00mnonstop
$329United Airlines
Find Deal
Thu, Sep 25 - Mon, Sep 29
Alaska Airlines Logo
4:10 pm - 11:39 amHLN-DEN
19h 29m1 stop
Alaska Airlines Logo
5:15 pm - 3:43 pmDEN-HLN
22h 28m1 stop
$391Alaska Airlines
Find Deal
Sun, Feb 8 - Fri, Feb 13
Delta Logo
5:45 am - 9:18 amHLN-DEN
3h 33m1 stop
Delta Logo
5:45 am - 12:20 pmDEN-HLN
6h 35m1 stop
$459Delta
Find Deal
Thu, Sep 25 - Mon, Sep 29
Delta Logo
5:45 am - 9:29 amHLN-DEN
3h 44m1 stop
Delta Logo
7:00 am - 12:20 pmDEN-HLN
5h 20m1 stop
$539Delta
Find Deal
Fri, Oct 10 - Sun, Oct 12
Logo
6:15 am - 8:35 amHLN-DEN
2h 20mnonstop
Logo
7:00 am - 3:43 pmDEN-HLN
8h 43m1 stop
$641
Find Deal
Sun, Feb 8 - Fri, Feb 13

Alaska Airlines flights from Helena to Denver

Our best Alaska Airlines deals on Helena to Denver flight tickets
Alaska Airlines
Sep 29
HLN4:02 pmHelena
6h 00m
1 stop
DEN10:02 pmDenver Intl
Oct 3
DEN9:23 pmDenver Intl
20h 18m
1 stop
HLN5:41 pmHelena
$322
Find similar
Alaska Airlines
Feb 8
HLN4:10 pmHelena
19h 29m
1 stop
DEN11:39 amDenver Intl
Feb 13
DEN5:15 pmDenver Intl
22h 28m
1 stop
HLN3:43 pmHelena
$391
Find similar
Alaska Airlines
Dec 12
HLN6:28 pmHelena
20h 18m
1 stop
DEN2:46 pmDenver Intl
Dec 15
DEN8:20 pmDenver Intl
21h 31m
1 stop
HLN5:51 pmHelena
$398
Find similar

United Airlines flights from Helena to Denver

Our best United Airlines deals on Helena to Denver flight tickets
United Airlines
Oct 9
HLN5:18 pmHelena
2h 07m
DEN7:25 pmDenver Intl
Oct 12
DEN12:10 pmDenver Intl
1h 59m
HLN2:09 pmHelena
$276
Find similar
United Airlines
Oct 10
HLN5:18 pmHelena
2h 07m
DEN7:25 pmDenver Intl
Oct 12
DEN7:00 pmDenver Intl
2h 00m
HLN9:00 pmHelena
$279
Find similar
United Airlines
Oct 4
HLN5:18 pmHelena
2h 07m
DEN7:25 pmDenver Intl
Oct 5
DEN12:10 pmDenver Intl
1h 59m
HLN2:09 pmHelena
$281
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Helena to Denver that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from Helena to Denver that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HelenaDenver

HLN - DEN

HLNDEN

Helena

Thu 10/9

5:18 pm-7:25 pm

Nonstop2h 07m

Denver Intl

Sun 10/12

12:10 pm-2:09 pm

Nonstop1h 59m

$276

HelenaDenver

HLN - DEN

HLNDEN

Helena

Fri 10/10

5:18 pm-7:25 pm

Nonstop2h 07m

Denver Intl

Sun 10/12

7:00 pm-9:00 pm

Nonstop2h 00m

$279

HelenaDenver

HLN - DEN

HLNDEN

Helena

Sat 10/4

5:18 pm-7:25 pm

Nonstop2h 07m

Denver Intl

Sun 10/5

12:10 pm-2:09 pm

Nonstop1h 59m

$281

HelenaDenver

HLN - DEN

HLNDEN

Helena

Fri 10/17

5:18 pm-7:25 pm

Nonstop2h 07m

Denver Intl

Sun 10/19

7:00 pm-9:00 pm

Nonstop2h 00m

$319

HelenaDenver

HLN - DEN

HLNDEN

Helena

Mon 9/29

4:02 pm-10:02 pm

1 stop6h 00m

Denver Intl

Fri 10/3

9:23 pm-5:41 pm

1 stop20h 18m

$322

HelenaDenver

HLN - DEN

HLNDEN

Helena

Thu 9/25

6:30 am-8:37 am

Nonstop2h 07m

Denver Intl

Mon 9/29

7:00 pm-9:00 pm

Nonstop2h 00m

$329

HelenaDenver

HLN - DEN

HLNDEN

Helena

Sun 2/8

4:10 pm-11:39 am

1 stop19h 29m

Denver Intl

Fri 2/13

5:15 pm-3:43 pm

1 stop22h 28m

$391

HelenaDenver

HLN - DEN

HLNDEN

Helena

Thu 9/25

5:45 am-9:18 am

1 stop3h 33m

Denver Intl

Mon 9/29

5:45 am-12:20 pm

1 stop6h 35m

$459

HelenaDenver

HLN - DEN

HLNDEN

Helena

Fri 10/10

5:45 am-9:29 am

1 stop3h 44m

Denver Intl

Sun 10/12

7:00 am-12:20 pm

1 stop5h 20m

$539

HelenaDenver

HLN - DEN

HLNDEN

Helena

Sun 2/8

6:15 am-8:35 am

Nonstop2h 20m

Denver Intl

Fri 2/13

7:00 am-3:43 pm

1 stop8h 43m

$641

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Denver from

How to get the cheapest flight ticket from Helena to Denver

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Denver?

The cheapest month to fly to Denver from Helena is in August. Flight prices, which tend to average around $279, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in August, then you should wait until December to fly from Helena, when ticket prices are also cheap, with an average price of $304.

What is the cheapest day to depart on your flight to Denver?

The cheapest day to depart on your flight to Denver is on a Friday when prices can be found for as low as $556. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Sunday, with ticket prices averaging around $751.

What is the cheapest time of day to depart on your flight to Denver?

The cheapest time of day to fly to Denver is in the afternoon when flights can be purchased for as low as $481. Flights in the morning are often more expensive with an average ticket price of $697.

What is the cheapest Helena to Denver Intl flight route?

Fly from Helena to Denver Intl for the best Helena - Denver Intl flight prices

How far in advance should I book a flight to Denver?

You are more likely to see cheaper flights to Denver from Helena when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $327 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Helena for as low as $199 on momondo.

What cabin class options are available on Helena to Denver Intl flights?

There are 4 cabin classes available to choose from on Helena to Denver Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Helena to Denver flights?

You could potentially save up to 65% on your flight if you consider stops on a Helena to Denver flight.

How have Helena to Denver flight prices changed over time?

When to book flights from Helena to Denver

Are you open to changing your travel dates? Check out the ideal times to fly from Helena to Denver according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Helena to Denver (HLN to DEN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Helena to Denver

Best Price Found

$250

Fastest flight time

2h 04m

Direct flights

Mon, Tue, Fri, Sat and Sun

Airports in Denver

1 airport
The best one-way flight to Denver from Helena in the past 72 hours is $250. The best round-trip flight deal from Helena to Denver found on momondo in the last 72 hours is $354.
The fastest flight from Helena to Denver takes 2h 04m
Direct flights go from Helena to Denver on Monday, Tuesday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport near Denver: Denver Intl (DEN)
Search flight deals

  • How far is Helena to Denver Intl by plane?

    There are 591.1 mi between Helena and Denver Intl. 2h 04m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Helena Airport to Denver Intl Airport?

    Prices for flights from Helena Airport to Denver Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Helena Airport to Denver Intl Airport?

  • How old do you have to be to fly from Helena Airport to Denver Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Helena Airport to Denver Intl Airport.

  • What documentation or ID do you need to fly to Denver Intl Airport?

    The travel and health documents required for your trip to Denver Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Denver Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Helena to Denver?

  • What is the most popular airline from Helena to Denver?

Best airlines flying from Helena to Denver

Compare and see reviews for airlines that fly from Helena to Denver with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $226Free CancellationRating
7.4
8,929 reviews
Search United Airlines flights
DeltaPriceFrom $228Free CancellationRating
7.9
7,954 reviews
Search Delta flights

  • United Airlines Flights From Helena to Denver

    United Airlines operates around 21 flights from Helena to Denver every week. The average price of these flights found in the last 72 hours has been $325, but momondo users have found United Airlines deals from Helena to Denver from as low as $226 round-trip. United Airlines has been scored 7.4/10 in 8,929 reviews.

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Estes Park
Breckenridge
Black Hawk
Aurora
Fort Collins
Keystone
Cripple Creek
Boulder
Manitou Springs
Longmont
Lakewood
Greeley
Thornton
Westminster
Winter Park
Copper Mountain
Frisco
Grand Lake
Silverthorne
Central City

Why use momondo?

Why should I use momondo to find a flight deal from Helena to Denver?

It is quick and easy to find Helena to Denver flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Denver that suits you.

Can I find flights from Helena to Denver with flexible booking policies on momondo?

momondo does allow users to show only those flights to Denver from Helena which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Helena to Denver?

momondo provides multiple filters to help you find the best flight to Denver from Helena. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Helena to Denver right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Helena to Denver flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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