$99 Cheap Flights from Seattle (SEA) to Helena (HLN)

Popular airlines from Seattle-Tacoma International Airport (SEA) to Helena, MT (HLN-Helena Regional)

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Today's featured flight deals from Seattle-Tacoma International Airport (SEA) to Helena, MT (HLN-Helena Regional)

Nonstop
Carry-on included
Lower price than typical

Cheap Flights from Seattle to Helena (SEA-HLN)

Prices were available within the past 7 days and start at $99 for one-way flights and $117 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Delta
Delta
Hawaiian Airlines
Delta
Delta
Delta
Alaska Airlines
Alaska Airlines
United

Find the cheapest month to fly from Seattle (SEA) to Helena (HLN)

January is typically the cheapest month to fly

From $136 - $438 per traveler.

Alternative airports near Helena

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

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Helena Regional Airport (HLN) cost?
Secure a cheap one-way flight from $99 or cheap return flight from $117 from Seattle - Tacoma Intl. Airport (SEA) 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 Seattle - Tacoma Intl. Airport (SEA) to Helena Regional Airport (HLN)?
The cheapest month to fly from SEA to HLN is December, when there's less demand. Off-peak season is usually when you'll find lower airfares between these airports.
Which airlines fly direct from Seattle - Tacoma Intl. Airport (SEA) to Helena Regional Airport (HLN)?
If you're departing from Seattle - Tacoma Intl. Airport (SEA), you can board a direct flight to Helena Regional Airport (HLN) with Alaska Airlines.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Helena Regional Airport (HLN)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest SEA to HLN flight.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Helena Regional Airport (HLN)?
On average, just 1 nonstop flight departs daily from Seattle - Tacoma Intl. Airport (SEA) to Helena Regional Airport (HLN). Want additional options? Use Expedia's filter tool to discover flights with layovers and add an extra destination to your journey.
What are the most popular departure times for flights from Seattle - Tacoma Intl. Airport (SEA) to Helena Regional Airport (HLN)?
The 1 PM departures from SEA to HLN are the most sought after. They can also be more expensive. If you're hoping to save money, pick a less crowded time to fly.
What day of the week has the most flights from SEA to HLN?
Friday has the most flights from Seattle - Tacoma Intl. Airport (SEA) to Helena Regional Airport (HLN). Consider traveling on this day and you'll have the best chance of finding a schedule that works for you.
What is the earliest flight from Seattle - Tacoma Intl. Airport (SEA) to Helena Regional Airport (HLN)?
The earliest flight jetting off from Seattle - Tacoma Intl. Airport (SEA) is at around 1:29PM UTC-8. Hop on this flight and you'll land at Helena Regional Airport (HLN) at approximately 4:04PM UTC-7. The total time in the air is 1h 35m.
How long does it take to fly from Seattle - Tacoma Intl. Airport (SEA) to Helena Regional Airport (HLN)?
The average flight time from SEA to HLN is 1 hour and 35 minutes, covering a total distance of 490 mi.
What airline has the least delays from SEA to HLN?
Consider traveling with American Airlines if you'd like to fly straight from Seattle - Tacoma Intl. Airport (SEA) to Helena Regional Airport (HLN) without any holdups. This carrier has the strongest track record for punctuality, with an on-time performance of 85%. Want real-time updates? You can check your flight status using the Expedia App.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Helena Regional Airport (HLN)?
Book a flight from Seattle - Tacoma Intl. Airport (SEA) to Helena Regional Airport (HLN) that takes off before 3 PM to reduce the risk of delays and cancellations. Later departures are on average 22% more likely to be canceled.**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.
What airports do you fly into for Helena from Seattle - Tacoma Intl. Airport (SEA)?
If you're taking a direct flight from Seattle - Tacoma Intl. Airport (SEA) to Helena, Helena Regional Airport (HLN) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Seattle - Tacoma Intl. Airport (SEA) to Helena Regional Airport (HLN) last-minute?
Last-minute fares from SEA to HLN are generally more expensive. To lock in the lowest rates, start searching for flights as soon as possible. That said, if you're flexible with your travel dates, it's possible to score a cheap ticket right before your journey.
Is it cheaper to book a SEA to HLN flight and hotel package?
You can save money by booking a SEA to HLN flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. Once you've selected your preferred flights and accommodations, you can add extras such as tours, car rentals and activities.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Helena Regional Airport (HLN)?
If you booked your SEA to HLN flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more details.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Helena Regional
Airlines serving
Alaska Airlines, Delta, Hawaiian Airlines, United
Roundtrip price
$117
Distance
488 mi
Average flight time
1 hour 36 mins

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