$174 Find Cheap Flights from Seattle to Helena - Compare and Save

These are the earliest and latest flight times available from Seattle to Helena:

• Earliest: departs at 1:02 pm and lands at 2:39 pm
• Latest: departs at 2:14 pm and lands at 3:51 pm.

The flight takes about 1h 37m.

Two cabin classes are available on flights from Seattle to Helena:

• Economy Class
• Business Class

A nonstop flight from Seattle to Helena takes 1h 37m, covering 489 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Round-trip flights from Seattle to Helena range from $187 to $322, with an average of $217 over the past 12 months. Anything below $187 counts as a good deal.

The Embraer 175 family is used most often on this route, operated mainly by Alaska Airlines and Hawaiian Airlines. Other aircraft seen on the route include Boeing 737-800 Passenger/BBJ2 (winglets) variants.

Afternoon is the busiest departure period on Seattle to Helena flights, with 100% of flights leaving in that window. Morning departures account for 0%, evening flights for 0%, and night flights for 0%.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $207 to $1,687. That means the highest observed fare was about 8x higher than the lowest one.

Alaska Airlines is the only airline on the Seattle to Helena route offering in-flight Wi-Fi. Pricing depends on fare class.

One-way fares from Seattle to Helena are currently lower than usual. Average one-way flight prices are about $211, which is 34% below the typical average for this route.

Helena Airport (HLN) hosts 5 major car rental companies, with daily rates starting from around $25 for economy cars. Top options include:
• Budget
• Enterprise Rent-A-Car
• Hertz
• Avis
• National

Flights from Seattle to Helena usually depart from Seattle/Tacoma Intl (SEA) and arrive at Helena (HLN).

Yes. Being flexible with your travel dates can save you up to 63% on the Seattle to Helena route. Tuesday is the cheapest departure day at $187 round-trip on average, while Sunday is the most expensive at $503, a difference of $316. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Only Alaska Airlines operates flights between Seattle and Helena.

Helena is 1 hour ahead of Seattle (Mountain Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

Among airlines operating Seattle to Helena flights:

• Alaska Airlines: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• Alaska Airlines: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.