On this page, you can find and buy flight tickets from Seattle to Helena. The distance between the cities is 789 km, and the flight frequency averages 3 flights per week.
HA and AS airlines operate flights on this route. Ticket prices vary depending on the season and booking time, so use the low price calendar to find the best deals. Information on how to get to Seattle airport and how to get from Helena airport upon arrival is also available.
The table shows direct flights Seattle → Helena on the selected date. The flight takes approximately 1 h 35 min. Regular flights are operated by Alaska Airlines and Hawaiian Airlines. Departures from Seattle-Tacoma International Airport and Paine Field airports, arrivals at Helena Regional Airport.
For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.
Below is a calendar of the lowest flight ticket prices for Seattle — Helena by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $138 in ,, and the most expensive are around $192 in n. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.
Seattle → Helena, average one-way price
| Month | Average price | Level | Month | Average price | Level | Month | Average price | Level |
|---|---|---|---|---|---|---|---|---|
| Jan | $140 | low | May | $166 | medium | Sep | $161 | medium |
| Feb | $130 | low | Jun | $191 | high | Oct | $151 | low |
| Mar | $156 | medium | Jul | $211 | high | Nov | $221 | high |
| Apr | $151 | medium | Aug | $196 | high | Dec | $271 | high |
Some values are estimated based on seasonality.
The warmest month in Helena is July, with average temperatures reaching 27.5°C, while the coldest is February, when the thermometer drops to -13.1°C. Precipitation peaks in May, with up to 16 rainy days recorded.
The most cost-effective time to book a flight is August, when ticket prices start $133. The highest prices are seen in March, February, and December, when the minimum fare ranges $191 to $193.
July is an ideal time to visit, offering dry and hot weather with ticket prices starting $152. It's best to avoid the winter months with extremely low temperatures unless you are planning a specific type of getaway.
Two airlines provide service on the route from Seattle to Helena, with the main carriers being Hawaiian Airlines and Alaska Airlines. On average, there are about 3 flights per week, including direct ones. Detailed information on flight schedules and connection options can be found in the list below: click on the card of the airline you're interested in to view the schedule by day of the week.
Flights Seattle — Helena depart from Seattle-Tacoma International Airport and Paine Field and arrive at Helena Regional Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.
The distance between the cities is 789 km. A direct flight usually takes about 1 hour 10 minutes, though the exact time depends on the specific flight and weather conditions.
Regular flights on the Seattle — Helena route are operated by Alaska Airlines and Hawaiian Airlines.
Yes, direct flights are available on this route. The scheduled flight frequency is approximately 3 times per week.
Flight prices change constantly. You can see the current up-to-date minimum in the low price calendar on this page.
To get the best price, it is recommended to book tickets 4–8 weeks before departure. It's also worth considering mid-week flights, which are often cheaper than weekend travel.
All flights from Seattle arrive at Helena Regional Airport (HLN), which is located in close proximity to the city.
Where travelers fly most — pick a route and check prices
