$266 Cheap Flights from Duluth (DLH) to Helena (HLN)

View $266 flight on Tue, Oct 28, 2025Opens in a new window

Popular airlines from Duluth, MN (DLH-Duluth Intl.) to Helena, MT (HLN-Helena Regional)

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Cheap Flights from Duluth to Helena (DLH-HLN)

Prices were available within the past 7 days and start at $266 for one-way flights and $387 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Oct 28 - Tue, Nov 4
DLH
Duluth
HLN
Helena
$387 Roundtrip, found 6 days ago
$387
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Oct 28 from Duluth to Helena, returning Tue, Nov 4, priced at $387 found 6 days ago
Delta
Tue, Oct 28 - Sat, Nov 1
DLH
Duluth
HLN
Helena
$397 Roundtrip, found 6 days ago
$397
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Oct 28 from Duluth to Helena, returning Sat, Nov 1, priced at $397 found 6 days ago
Delta
Sat, Oct 25 - Sat, Nov 1
DLH
Duluth
HLN
Helena
$407 Roundtrip, found 6 days ago
$407
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Oct 25 from Duluth to Helena, returning Sat, Nov 1, priced at $407 found 6 days ago
Delta
Sat, Oct 25 - Thu, Oct 30
DLH
Duluth
HLN
Helena
$433 Roundtrip, found 6 days ago
$433
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Oct 25 from Duluth to Helena, returning Thu, Oct 30, priced at $433 found 6 days ago
United
Sat, Oct 25 - Wed, Oct 29
DLH
Duluth
HLN
Helena
$443 Roundtrip, found 6 days ago
$443
Roundtrip
found 6 days ago
Select United flight, departing Sat, Oct 25 from Duluth to Helena, returning Wed, Oct 29, priced at $443 found 6 days ago
Delta
Tue, Oct 28 - Sat, Nov 1
DLH
Duluth
HLN
Helena
$467 Roundtrip, found 6 days ago
$467
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Oct 28 from Duluth to Helena, returning Sat, Nov 1, priced at $467 found 6 days ago
Delta
Thu, Oct 30 - Tue, Nov 4
DLH
Duluth
HLN
Helena
$467 Roundtrip, found 6 days ago
$467
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, Oct 30 from Duluth to Helena, returning Tue, Nov 4, priced at $467 found 6 days ago
Delta
Thu, Oct 30 - Sat, Nov 1
DLH
Duluth
HLN
Helena
$477 Roundtrip, found 6 days ago
$477
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, Oct 30 from Duluth to Helena, returning Sat, Nov 1, priced at $477 found 6 days ago
Delta
Mon, Oct 27 - Tue, Nov 4
DLH
Duluth
HLN
Helena
$501 Roundtrip, found 6 days ago
$501
Roundtrip
found 6 days ago
Select Delta flight, departing Mon, Oct 27 from Duluth to Helena, returning Tue, Nov 4, priced at $501 found 6 days ago
Delta
Fri, Oct 24 - Wed, Oct 29
DLH
Duluth
HLN
Helena
$503 Roundtrip, found 6 days ago
$503
Roundtrip
found 6 days ago
Select Delta flight, departing Fri, Oct 24 from Duluth to Helena, returning Wed, Oct 29, priced at $503 found 6 days ago
Flights from Duluth (DLH) to Helena (HLN)
Origin airport
Duluth Intl.
Destination airport
Helena Regional
Roundtrip price
$386
Distance
935 mi

Duluth to Helena Flights

The cheapest times to fly from Duluth to Helena

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Duluth to Helena are during the month of October. You can find some of the cheapest flights from Duluth to Helena with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Duluth to Helena

Sunday is one of the best days to book for cheap flights from Duluth to Helena: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Duluth to Helena

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Duluth to Helena in 2025. You can also book with separate airlines for your outbound and return journeys, from $266 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Duluth to Helena flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Duluth to Helena airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Duluth Intl. Airport (DLH) to Helena Regional Airport (HLN) cost?
Lock in a cheap one-way flight from $266 or cheap return flight from $387 from Duluth Intl. Airport (DLH) to Helena Regional Airport (HLN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Duluth Intl. Airport (DLH) to Helena Regional Airport (HLN)?
Flying in October is a good way to save, as it's the cheapest month for flights between DLH and HLN. You'll typically find the lowest fares during the off-season.
What is the cheapest airline that flies from Duluth Intl. Airport (DLH) to Helena Regional Airport (HLN)?
To find the cheapest airline flying from DLH to HLN, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Duluth Intl. Airport (DLH) to Helena Regional Airport (HLN)?
There are no daily nonstop flights available from Duluth Intl. Airport (DLH) to Helena Regional Airport (HLN). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be on your way in no time.
What day of the week has the most flights from DLH to HLN?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary based on a number of factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Duluth Intl. Airport (DLH) to Helena Regional Airport (HLN)?
To land at Helena Regional Airport (HLN) on time, pick a flight that takes off from Duluth Intl. Airport (DLH) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Duluth Intl. Airport (DLH) to Helena Regional Airport (HLN) last-minute?
Holding off until right before your break to book a ticket from DLH to HLN generally means paying more. While it's possible to find some last-minute discounts, they're not always guaranteed. Allow some flexibility in your schedule to boost your chances of snagging a bargain.
Is it cheaper to book a DLH to HLN flight and hotel package?
Opting for a DLH to HLN flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of accommodations and then add car rentals, flights and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Duluth Intl. Airport (DLH) to Helena Regional Airport (HLN)?
Typically, it's possible to reschedule or cancel your DLH to HLN flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.