$343 Cheap Flights from Buffalo (BUF) to Helena (HLN)

View $343 flight on Mon, Oct 20, 2025Opens in a new window

Popular airlines from Buffalo Niagara Intl. Airport (BUF) to Helena, MT (HLN-Helena Regional)

Cheap Flights from Buffalo to Helena (BUF-HLN)

Prices were available within the past 7 days and start at $343 for one-way flights and $299 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, Oct 31 - Sat, Nov 15
BUF
Buffalo
HLN
Helena
$299 Roundtrip, found 2 days ago
$299
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Oct 31 from Buffalo to Helena, returning Sat, Nov 15, priced at $299 found 2 days ago
Delta
Thu, Nov 27 - Tue, Dec 16
BUF
Buffalo
HLN
Helena
$324 Roundtrip, found 2 days ago
$324
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Nov 27 from Buffalo to Helena, returning Tue, Dec 16, priced at $324 found 2 days ago
Delta
Fri, Oct 3 - Wed, Oct 22
BUF
Buffalo
HLN
Helena
$364 Roundtrip, found 2 days ago
$364
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Oct 3 from Buffalo to Helena, returning Wed, Oct 22, priced at $364 found 2 days ago
United
Wed, Oct 29 - Sat, Nov 15
BUF
Buffalo
HLN
Helena
$379 Roundtrip, found 2 days ago
$379
Roundtrip
found 2 days ago
Select United flight, departing Wed, Oct 29 from Buffalo to Helena, returning Sat, Nov 15, priced at $379 found 2 days ago
United
Sat, Oct 18 - Sat, Nov 1
BUF
Buffalo
HLN
Helena
$384 Roundtrip, found 2 days ago
$384
Roundtrip
found 2 days ago
Select United flight, departing Sat, Oct 18 from Buffalo to Helena, returning Sat, Nov 1, priced at $384 found 2 days ago
United
Tue, Nov 11 - Sat, Nov 22
BUF
Buffalo
HLN
Helena
$389 Roundtrip, found 2 days ago
$389
Roundtrip
found 2 days ago
Select United flight, departing Tue, Nov 11 from Buffalo to Helena, returning Sat, Nov 22, priced at $389 found 2 days ago
Delta
Wed, Oct 1 - Wed, Oct 22
BUF
Buffalo
HLN
Helena
$399 Roundtrip, found 2 days ago
$399
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Oct 1 from Buffalo to Helena, returning Wed, Oct 22, priced at $399 found 2 days ago
United
Wed, Oct 29 - Mon, Nov 17
BUF
Buffalo
HLN
Helena
$404 Roundtrip, found 2 days ago
$404
Roundtrip
found 2 days ago
Select United flight, departing Wed, Oct 29 from Buffalo to Helena, returning Mon, Nov 17, priced at $404 found 2 days ago
Delta
Thu, Nov 27 - Sat, Dec 13
BUF
Buffalo
HLN
Helena
$408 Roundtrip, found 2 days ago
$408
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Nov 27 from Buffalo to Helena, returning Sat, Dec 13, priced at $408 found 2 days ago
Alaska Airlines
Thu, Oct 23 - Sat, Oct 25
BUF
Buffalo
HLN
Helena
$757 Roundtrip, found 2 days ago
$757
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Thu, Oct 23 from Buffalo to Helena, returning Sat, Oct 25, priced at $757 found 2 days ago

Alternative airports near Helena

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Helena Regional HLN. Cheapest and Closest option available. Average driving time to city center is 7 minutes. Flights from $404
HLN
Helena Regional
CheapestClosest
Average driving time to city center7 min
Flights from $404

Frequently asked questions

How much does a flight from Buffalo Niagara Intl. Airport (BUF) to Helena Regional Airport (HLN) cost?
Lock in a cheap one-way flight from $343 or cheap return flight from $299 from Buffalo Niagara Intl. Airport (BUF) to Helena Regional Airport (HLN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Buffalo Niagara Intl. Airport (BUF) to Helena Regional Airport (HLN)?
October is the cheapest month to fly from BUF to HLN. Traveling outside of peak seasons is often the key to landing a great deal.
What is the cheapest airline that flies from Buffalo Niagara Intl. Airport (BUF) to Helena Regional Airport (HLN)?
To find the cheapest airline flying from BUF to HLN, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Buffalo Niagara Intl. Airport (BUF) to Helena Regional Airport (HLN)?
There aren't any daily nonstop flights departing from Buffalo Niagara Intl. Airport (BUF) to Helena Regional Airport (HLN). But you can book flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from BUF to HLN?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Buffalo Niagara Intl. Airport (BUF) to Helena Regional Airport (HLN)?
To land at Helena Regional Airport (HLN) without delays, select a flight that leaves from Buffalo Niagara Intl. Airport (BUF) before 3 PM. The chance 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 Buffalo Niagara Intl. Airport (BUF) to Helena Regional Airport (HLN) last-minute?
Waiting until just before your departure to book your flight from BUF to HLN generally means paying more. While you may come across some last-minute offers, they aren't always guaranteed. Keep your travel plans flexible to boost your chances of getting a bargain.
Is it cheaper to book a BUF to HLN flight and hotel package?
Compared with arranging hotels and flights separately, booking a BUF to HLN flight and hotel package with Expedia could result in significant savings. Better still, having it all in one place will take the hassle out of planning your trip. Just pick your flights and choose from our wide range of hotels, then tailor your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Buffalo Niagara Intl. Airport (BUF) to Helena Regional Airport (HLN)?
Generally, it's possible to cancel or reschedule your BUF to HLN flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Travel information

Origin airport
Buffalo Niagara Intl.
Destination airport
Helena Regional
Airlines serving
Delta, United
Roundtrip price
$299
Distance
1638 mi

Book with confidence

Book with confidence

Buffalo to Helena Flights

The cheapest times to fly from Buffalo 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 Buffalo to Helena are during the month of October. You can find some of the cheapest flights from Buffalo to Helena with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Buffalo to Helena

Sunday is one of the best days to book for cheap flights from Buffalo 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 Buffalo 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 Buffalo to Helena in 2025. You can also book with separate airlines for your outbound and return journeys, from $343 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 Buffalo 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 Buffalo 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.

 

Buffalo to Helena Flights

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*Available to One Key members.