$771 Cheap Flights from Basel (BSL) to Helena (HLN)

View $771 flight on Mon, Aug 17, 2026Opens in a new window

Popular airlines from EuroAirport Airport (BSL) to Helena, MT (HLN-Helena Regional)

Cheap Flights from Basel to Helena (BSL-HLN)

Prices were available within the past 7 days and start at $771 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from EuroAirport Airport (BSL) to Helena Regional Airport (HLN) cost?
Snag a cheap one-way flight from $771 or cheap return flight from EuroAirport Airport (BSL) 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 EuroAirport Airport (BSL) to Helena Regional Airport (HLN)?
Planning your getaway for is a great way to save, as it's the cheapest month for flights between BSL and HLN. You'll often find the lowest fares during off-peak months.
What is the cheapest airline that flies from EuroAirport Airport (BSL) to Helena Regional Airport (HLN)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll take you from BSL to HLN. Then, sort your results by "Price (lowest to highest)" to pick up a good deal.
How many flights per day from EuroAirport Airport (BSL) to Helena Regional Airport (HLN)?
There aren't any daily nonstop flights from EuroAirport Airport (BSL) to Helena Regional Airport (HLN). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from BSL to HLN?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change depending on various factors, such as the season 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 EuroAirport Airport (BSL) to Helena Regional Airport (HLN)?
To reach Helena Regional Airport (HLN) on time, opt for a flight that leaves from EuroAirport Airport (BSL) 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 EuroAirport Airport (BSL) to Helena Regional Airport (HLN) last-minute?
Last-minute fares from BSL to HLN are usually more expensive. For the cheapest rates, start looking for flights early. That said, if you're flexible with your travel plans, it's possible to score a cheap ticket just before your departure.
Is it cheaper to book a BSL to HLN flight and hotel package?
Booking a BSL to HLN flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Select from our extensive range of stays and then add flights, car rentals 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 EuroAirport Airport (BSL) to Helena Regional Airport (HLN)?
It's usually possible to reschedule or cancel your BSL to HLN flight. However, if it's been more than 24 hours since booking, 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 more details on our Customer Service portal.

Travel information

Origin airport
EuroAirport
Destination airport
Helena Regional
Distance
4977 mi

Book with confidence

Basel to Helena Flights

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

 

The best time to book a flight from Basel to Helena

Sunday is one of the best days to book for cheap flights from Basel 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 Basel 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 Basel to Helena in 2026. You can also book with separate airlines for your outbound and return journeys, from $771 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 Basel 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 Basel 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.

 

Basel to Helena Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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