sea-to-hln

image-8457486-13579460

The cheapest times to fly from SEA to HLN are

  • January 1st to March 4th (except the week of February 12th)
  • April 9th to April 29th
  • August 13th to November 18th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from SEA to HLN is early November. Prices can be as high as $894 for Friday flights during early August, or as low as $214 for Wednesday flights around early November.

 

When to Fly to Helena

Flying from Seattle, WA (SEA) to Helena, MT (HLN) will usually cost between $221 to $380 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early November with an average ticket price of $269. Due to high demand the most expensive time to fly is early August, with an average price of $485. Planning your trip to low-cost times can easily save you $217 on economy flights and even more on first-class flights. Generally, any price below $312 can be considered a good price for a round-trip SEA to HLN flight.

See below for a graph of average weekly prices for the SEA to HLN route. All prices are for round-trip tickets in USD.

Key
SEA to HLN Flight Prices

Compared to other flights, the SEA to HLN flight is much cheaper than the average and costs much less than the average flight leaving from Seattle. The average price per mile (for a direct flight) is $0.4, which is a bit above average.

 

Flight Prices by Day of the Week

Wednesday is usually the cheapest day to depart and return on this flight. Fridays are the most expensive days to fly to Helena, and Sundays are the most expensive days to return to Seattle. Selecting flights on the least expensive days could save you up to $64 (19%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Wednesday and returning a week later will cost an average of $274. Return trip prices are from the HLN to SEA flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Key
Departure Day Prices

Return Trip Prices by Day

Key
Return Day Prices

 

Nonstop Flights and Layovers

Travelers looking to fly from SEA to HLN can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 1 hour 52 minutes may be realistic.

 

Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is a nonstop flight from SEA to HLN while comparing.

Destination alternative #1: Missoula International Airport (MSO) in Missoula, MT

  • 102 miles (164 km) away from HLN
  • Usually 15.71% less expensive than HLN
  • Nonstop flights available

See SEA to MSO flights

Destination alternative #2: Great Falls International Airport (GTF) in Great Falls, MT

  • 67 miles (108 km) away from HLN
  • Usually 7.05% less expensive than HLN
  • Nonstop flights available

See SEA to GTF flights

Destination alternative #3: Bozeman Yellowstone International Airport (BZN) in Bozeman, MT

  • 70 miles (113 km) away from HLN
  • Usually 4.81% less expensive than HLN
  • Nonstop flights available

See SEA to BZN flights

 

Flight Questions Answered

Still have questions about flying from SEA to HLN? We’ve got answers.

Which airlines fly this route?

You can find 9 major airlines flying this route most often: Alaska, American, Delta, Emirates, Frontier, JetBlue, Qatar Airways, Southwest, United, and potentially more during busy seasons.

How far away is it from Helena Regional Airport to Seattle/Tacoma International Airport?

The distance between the two airports is roughly 489 miles or 787 kilometers.

How long does it take to fly from SEA to HLN?

The real-world flight time for a nonstop SEA to HLN flight is about 1 hour 52 minutes.

How many flights go between Seattle, WA and Helena, MT?

It depends on the day of the week and the date, but a typical day might have around 72 available flights from SEA to HLN.

 

Airport Location Info

 

Departing Airport

Origination codeSEA
Origination airport nameSeattle/Tacoma International Airport
CitySeattle, WA
Countrythe United States
Latitude47.5
Longitude-122.3

Return Airport

Destination codeHLN
Destination airport nameHelena Regional Airport
CityHelena, MT
Countrythe United States
Latitude46.6
Longitude-112

 

Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.