Direct (non-stop) flights from Helena (HLN) to SeaTac (SEA)
Find comprehensive flight information, schedules, and booking details for direct flights from Helena (HLN), US to SeaTac (SEA), US. This popular route is operated by 1 airline, offering multiple daily departures.• Flight Duration: 1h 41m - 1h 59m (average flight time)• Distance: 492 miles (792 km) (air miles between airports)• Daily Flights: 0-1 flights (scheduled departures per day)
Helena (HLN)
US
SeaTac (SEA)
US
FLIGHT TIME
1h 41m - 1h 59m
FLIGHT DISTANCE
492 miles (792 km)
1h 55m - 1h 55m
19:32
19:32
492 miles (792 km)
January
1 (Show)
6
Terminal 1 (SeaTac (SEA))
Flight Schedule
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Airlines Operating This Route
Click any airline to view their specific flight schedules, policies, and route details for this connection. You can also explore flights from Helena (HLN) and flights to SeaTac (SEA).
Best Time to Fly
Best Value Period
January typically offers the best value for travelers, with lower average fares compared to peak travel periods.
Price Trends
Price variation throughout the year is significant, with Jan being the most affordable month and prices increasing during peak travel seasons.
Distance & Duration Explained
Route Distance
At 492 miles (792 km), this is an ultra-long-haul route between Helena (HLN) and Seattle (SEA), requiring larger aircraft and extended flight times.
Flight Duration
Flight duration averages 1h 41m - 1h 59m, with actual times ranging from 1h 55m - 1h 55m depending on aircraft type, wind conditions, and routing.
Airline Comparison
Available Airlines
Alaska Airlines is the sole operator on this route, providing 1 daily flight between HLN and SEA.
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Best Time to Visit & Travel Planning
Cheapest Day
Cheapest Month
Average Fare
$227
Travel Planning Tips for Helena (HLN) to SeaTac (SEA)
- Best Day to Book
Wednesday typically offers the lowest fares for flights from Helena (HLN) to SeaTac (SEA). Consider booking on this day for potential savings.
- Best Month to Travel
January is generally the cheapest month to fly from Helena (HLN) to SeaTac (SEA). Plan your trip during this month for the best deals.
- Average Flight Price
The average fare for flights from Helena (HLN) to SeaTac (SEA) is approximately $227. Prices may vary based on booking time, season, and airline.
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Related Pages
Related Airports
Related Airlines
Frequently Asked Questions
How many flights operate from Helena (HLN) to Seattle (SEA)?
There is 1 direct flight operating from Helena (HLN) to Seattle (SEA). Approximately 0-1 flights daily.
Which airlines operate flights from Helena (HLN) to Seattle (SEA)?
1 airline operates on this route: Alaska Airlines.
How long is the flight from Helena (HLN) to Seattle (SEA)?
The flight duration from Helena (HLN) to Seattle (SEA) is approximately 1h 41m - 1h 59m.
What is the distance from Helena (HLN) to Seattle (SEA)?
The distance from Helena (HLN) to Seattle (SEA) is 492 miles (792 km).
What is the flight time range for this route?
Flight times on this route range from 1h 55m - 1h 55m.
What are the earliest and latest flight departure times?
The earliest flight departs at 19:32 and the latest flight departs at 19:32.
What is the cheapest month to fly from Helena (HLN) to Seattle (SEA)?
January is typically the cheapest month to fly on this route.
How many flights operate per week on this route?
Approximately 6 flights operate per week from Helena (HLN) to Seattle (SEA).
What types of aircraft operate on this route?
This route is served by Embraer 175.
What is the average flight price from Helena (HLN) to Seattle (SEA)?
The average flight price for a round-trip ticket from Helena (HLN) to Seattle (SEA) is approximately $344 USD. Prices can vary based on booking time, season, and airline.
When is the best time to book flights from Helena (HLN) to Seattle (SEA) for the lowest prices?
January is typically the cheapest month to fly from Helena (HLN) to Seattle (SEA). Booking in advance and avoiding peak travel seasons can help you find better deals.
How far is Seattle (SEA) from Helena (HLN)?
The distance from Helena (HLN) to Seattle (SEA) is 492 miles (792 km). This is a long-haul flight route.
How long does it take to fly from Helena (HLN) to Seattle (SEA)?
The flight time from Helena (HLN) to Seattle (SEA) is approximately 1h 41m - 1h 59m. Actual flight duration may vary based on weather conditions, aircraft type, and routing.
What city does Seattle (SEA) serve?
Seattle (SEA) serves Seattle, US.