Cheap flights from Seattle to Helena (SEA - HLN)

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How to find the cheapest flight from
Seattle (SEA) to Helena (HLN)

All the information you need to plan the best SEA to HLN flight in 2021: compare Seattle to Helena flight prices with the expected peak season, weather and rainfall in Helena.
SEA - HLN
Price
$158 - $439
HLN
Temperature
21.2 - 69.8 °F
HLN
Precipitation
0.3 - 2.1 inches

Popular in

November

High demand for flights, 40% potential price rise

Cheapest in

May

Best time to find cheap flights, 40% potential price drop

Average price

$439

Average for round-trip flights in November 2021

Round-trip from

$158

From Seattle/Tacoma Intl to Helena

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest month to fly from Seattle to Helena?

Due to multiple factors, expect to potentially pay more when booking in November. For low rates, May can be a great choice for travel to Helena. Flights to Helena from Seattle in May are about $264 on average during May, but can be found for as low as $109.

When is the cheapest time to fly from Seattle to Helena (SEA - HLN)?

It’s optimal to fly from Seattle to Helena in the morning. By choosing this option you can save up to 18% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly round-trip from Seattle to Helena?

Users have found that leaving on a Monday can be a cost-effective option. It’s possible to save up to 81% on your flight compared to booking on days when demand is much higher.

Cheap flights from Seattle to Helena in November, December 2021

The best prices found for SEA to HLN flights for November, December
8 Dec - 12 Dec
$357pp
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
HLN
Helena
HLN
Helena
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl
16 Dec - 18 Dec
$358pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
HLN
Helena
HLN
Helena
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
8 Dec - 12 Dec
$398pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
HLN
Helena
HLN
Helena
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl

Seattle/Tacoma Intl to Helena 2022 flight deals

Cheap flights to Helena from Seattle found for next year
8 Dec - 12 Dec
$357pp
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
HLN
Helena
HLN
Helena
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl
16 Dec - 18 Dec
$358pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
HLN
Helena
HLN
Helena
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
8 Dec - 12 Dec
$398pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
HLN
Helena
HLN
Helena
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl

Non-stop flights to Helena from Seattle

Save time with Seattle to Helena direct flight deals
17 Jan - 21 Jan
$268pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
HLN
Helena
HLN
Helena
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
24 Feb - 27 Feb
$279pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
HLN
Helena
HLN
Helena
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
16 Dec - 18 Dec
$358pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
HLN
Helena
HLN
Helena
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl

Last minute flights from Seattle to Helena

Late deals on round-trip flights to Helena from Seattle, departing today and this week
3 Dec - 5 Dec
$442pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
HLN
Helena
HLN
Helena
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
3 Dec - 5 Dec
$557pp
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
HLN
Helena
HLN
Helena
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl
3 Dec - 5 Dec
$699pp
SEA
Seattle/Tacoma Intl
United Airlines
   
2 STOPS
HLN
Helena
HLN
Helena
United Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl

One-way flights to Helena from Seattle

The cheapest one-way flights from Seattle to Helena
7:20 am - 10:04 am
Alaska Airlines
Nonstop
1h 44m
SEA - HLN
Alaska Airlines
$349
Alaska Airlines
12:00 pm - 5:40 pm
Delta
1 Stop
4h 40m
SEA - HLN
Delta
$449
Delta
2:22 pm - 4:13 pm
United Airlines
2 Stops
48h 51m
SEA - HLN
United Airlines
$522
United

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Seattle</span> to <span class="emphasized">Helena</span> flights.

Flight FAQs

From Seattle to Helena

What airports do I use to fly from Seattle to Helena?

Booking a flight from Seattle/Tacoma Intl (SEA) to Helena (HLN) is your only option if you wish to fly from Seattle to Helena. On a typical day, there is 1 flight from Seattle/Tacoma Intl to Helena, all of which are around 1h 47m for a nonstop flight. You can also purchase a plane ticket from 3 airlines when you book a flight from Seattle/Tacoma Intl to Helena.

Which airlines flying from Seattle/Tacoma Intl to Helena have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like Alaska Airlines, Delta, and American Airlines flying from Seattle/Tacoma Intl to Helena have implemented new flexible cancellation policies.

Can I find flights from Seattle to Helena for under $300 on Cheapflights?

Yes, there are multiple flights from Seattle to Helena for under $300. The cheapest flight booked recently is on Alaska Airlines for just $268, but on average you can expect to pay $352.

Are there nonstop flights from Seattle to Helena for under $300 on Cheapflights?

Cheapflights has at least 12 direct flights from Seattle to Helena under $300. A good price for a nonstop flight from Seattle to Helena is less than $521.

Are there last-minute flights available from Seattle to Helena for under $500?

There are currently 5+ open flights from Seattle to Helena within the next 7 days for less than $500.

What are the cheapest airlines flying from Seattle to Helena round-trip?

Alaska Airlines, at $268, was found to be the cheapest airline from Seattle to Helena. An alternate airline flying to your destination would be Delta.

What are the cheapest airlines to fly from Seattle to Helena one-way?

For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $94. Users have also found prices from $109 and $162 on Delta and United Airlines, respectively.

What are the most reliable airlines from Seattle to Helena?

Before booking your flight to Helena from Seattle, check out the most reliable airlines to get you to your destination on time: Alaska Airlines (97%), Horizon Air (97%), Korean Air( 97%).

What are the most popular airlines that fly from Seattle to Helena?

Before booking your flight from Seattle to Helena check out the most popular airlines for this route: American Airlines, Alaska Airlines or Delta.

What are the cheapest flights from Seattle to Helena?

While on average a flight from Seattle to Helena is generally $193, our data shows the cheapest flight currently is $155. When looking at the most popular route, (Seattle/Tacoma Intl - Helena), you can expect to pay $237 for that flight.

COVID Restrictions

View COVID Travel Restrictions for Helena, MT

Do I need a COVID test to fly to Helena from Seattle?

Information is based on travel restrictions for travel to Helena within the United States

Most visitors from Seattle/Tacoma Intl need to provide a negative COVID-19 test result and/or quarantine to enter Helena.

COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Helena.

Quarantine requirements
Visitors from Seattle/Tacoma Intl are not required to quarantine after entering Helena.

Do I need a test to fly back to Seattle from Helena?

Returning to Seattle/Tacoma Intl from Helena

COVID-19 testing requirements
Visitors from Helena must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Seattle/Tacoma Intl.

Quarantine requirements
Visitors from Helena are not required to quarantine after entering Seattle/Tacoma Intl.

Hide COVID Travel Restrictions for Helena, MT

Alternative routes for Seattle to Helena

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Helena

Things to know before you go - useful duration and weather info for your trip from Seattle to Helena.
Flight duration from SEA to HLN
1h 52m
Average temperature for November in Helena
46.4 °F
Avg rainfall for November in Helena
0.5 ″

Airports servicing Seattle

Airports servicing Helena

Top 3 airlines flying from Seattle/Tacoma Intl to Helena

The chart below displays the airlines Cheapflights users traveling from Seattle to Helena choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Alaska Airlines
$108 $310 No cancel fee 75%
Delta
$149 $315 No cancel fee N/A
American Airlines
$259 $383 No cancel fee 71%

Hourly flight availability from Seattle to Helena

See what time of day planes typically take off from Seattle towards Helena.
Morning 6 AM to noon 100% of SEA to HLN departures
Early morning Midnight to 6 AM 0% of SEA to HLN departures
Afternoon Noon to 6 PM 0% of SEA to HLN departures
Evening 6 PM to midnight 0% of SEA to HLN departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Seattle to Helena
See how many times per day planes take to the skies headed from Seattle to Helena.
Sunday
2 daily flights
Monday
2 daily flights
Tuesday
2 daily flights
Wednesday
2 daily flights
Thursday
0 flights
Friday
2 daily flights
Saturday
2 daily flights
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