Cheap flights from Helena to Seattle (HLN - SEA)

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The best prices from Helena to Seattle/Tacoma Intl are usually found in August or April, booked 60 days in advance, depart on a Saturday or Friday and return on a Saturday

Home North America USA Washington Seattle Cheap flights from Helena to Seattle

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

All the information you need to plan the best HLN to SEA flight in 2022: compare Helena to Seattle flight prices with the expected peak season, weather and rainfall in Seattle.
HLN - SEA
Price
$149 - $308
SEA
Temperature
41 - 66.2 °F
SEA
Rainfall
0.7 - 6.6 inches

Popular in

January

High demand for flights, 21% potential price rise

Cheapest in

August

Best time to find cheap flights, 39% potential price drop

Average price

$227

Average for round-trip flights in May 2022

Round-trip from

$149

From Helena to Seattle/Tacoma Intl

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

Sunday flights are generally found to be more expensive for flights from Helena to Seattle. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Seattle.

What is the cheapest month to fly from Helena to Seattle?

August can be a great time to fly to Seattle from Helena with a flight ticket averaging about $244. Cheapflights users have found deals in the month of August for as cheap as $131. The most expensive prices can be found in the month of January.

How far in advance should I book a flight from Helena to Seattle?

To save on the cost of your flight from Helena to Seattle, book at least 61 days before your planned departure. Booking around this time can save you about 194% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $440 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $774.

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

A simple way to save on the total cost of your ticket is to fly from Helena to Seattle in the evening. If you’re flexible enough to do this you can expect to save up to 92% on your trip compared to booking a flight at noon.

Cheap flights from Helena to Seattle in May, June 2022

The best prices found for HLN to SEA flights for May, June
22 Jun - 29 Jun
$388pp
HLN
Helena
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
HLN
Helena
25 Jun - 27 Jun
$418pp
HLN
Helena
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
HLN
Helena
16 Jun - 19 Jun
$438pp
HLN
Helena
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
HLN
Helena

Helena to Seattle 2022 flight deals

Cheap flights to Seattle from Helena found for this year
6 Oct - 9 Oct
$198pp
HLN
Helena
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
HLN
Helena
10 Nov - 13 Nov
$218pp
HLN
Helena
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
HLN
Helena
1 Sep - 4 Sep
$238pp
HLN
Helena
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
HLN
Helena

Non-stop flights to Seattle from Helena

Save time with Helena to Seattle direct flight deals
6 Oct - 9 Oct
$198pp
HLN
Helena
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
HLN
Helena
10 Nov - 13 Nov
$218pp
HLN
Helena
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
HLN
Helena
1 Sep - 4 Sep
$238pp
HLN
Helena
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
HLN
Helena

Last minute flights from Helena to Seattle

Late deals on round-trip flights to Seattle from Helena, departing today and this week
2 Jun - 9 Jun
$568pp
HLN
Helena
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
HLN
Helena
31 May - 1 Jun
$618pp
HLN
Helena
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
HLN
Helena
4 Jun - 5 Jun
$668pp
HLN
Helena
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
HLN
Helena

One-way flights to Seattle/Tacoma Intl from Helena

The cheapest one-way flights from Helena to Seattle
11:59 am - 12:53 pm
Alaska Airlines
Nonstop
1h 54m
HLN - SEA
Alaska Airlines
$599
Alaska Airlines
2:00 am - 4:53 am
United Airlines
2 Stops
27h 53m
HLN - SEA
United Airlines
$796
United
9:12 am - 6:25 pm
Delta
1 Stop
10h 13m
HLN - SEA
Delta
$798
Delta

Related info for your journey

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

Flight FAQs

From Helena to Seattle

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

If you wish to fly to Seattle from Helena, then you need to book flights from Helena to Seattle/Tacoma Intl. There are 2 flights from Helena (HLN) to Seattle/Tacoma Intl (SEA) per day to choose from. Flights to Seattle from Helena are available from 3 different airlines, which means you should have some options if you want to compare airfare deals. 1h 54m is how long a nonstop flight from Helena to Seattle/Tacoma Intl typically takes.

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

Some of our airline partners flying from Helena to Seattle/Tacoma Intl have new flexible policies in place due to COVID-19. Alaska Airlines, Delta, and American Airlines are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like Alaska Airlines with this kind of flexibility.

Can I find flights from Helena to Seattle for under $200 on Cheapflights?

Yes, there are multiple flights from Helena to Seattle for under $200. The cheapest flight booked recently is on Alaska Airlines for just $198, but on average you can expect to pay $303.

Are there nonstop flights from Helena to Seattle for under $200 on Cheapflights?

Cheapflights has at least 20 direct flights from Helena to Seattle under $200. A good price for a nonstop flight from Helena to Seattle is less than $343.

Are there last-minute flights available from Helena to Seattle for under $600?

There are currently 8+ open flights from Helena to Seattle within the next 7 days for less than $600.

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

Flying on Alaska Airlines is currently your cheapest option to Seattle, with prices starting at $198. Another option worth looking into is United Airlines, starting at $375 round trip. Users have found that Alaska Airlines is 18% cheaper than the other options available to this destination.

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

For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $119. Users have also found prices from $359 and $608 on Delta and United Airlines, respectively.

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

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

What are the most reliable airlines from Helena to Seattle?

Before booking your flight to Seattle from Helena, check out the most reliable airlines to get you to your destination on time: Alaska Airlines (86%), Horizon Air (86%), Korean Air( 86%).

What are the cheapest flights from Helena to Seattle?

On average you can expect to pay $257 for a flight from Helena to Seattle. The cheapest flight overall is $16 while the most popular route, (Helena - Seattle/Tacoma Intl) is currently priced at $267.

Related searches

Flights to Seattle (SEA) from Helena (HLN)
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COVID Restrictions

View COVID Travel Restrictions for Seattle, WA

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

Information is based on travel restrictions for travel to Seattle/Tacoma Intl within the United States

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

COVID-19 testing requirements
Visitors from Helena must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to Seattle/Tacoma Intl.

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

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

Returning to Helena from Seattle/Tacoma Intl

COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to Helena.

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

Hide COVID Travel Restrictions for Seattle, WA

Alternative routes for Helena to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Missoula Johnson-Bell Field to Spokane from $315 pp
Billings Logan Intl to Spokane from $417 pp
Bozeman Gallatin Field to Spokane from $467 pp
Helena to Bellingham from $3,040 pp

Destination information for Seattle

Things to know before you go - useful duration and weather info for your trip from Helena to Seattle.
Flight duration from HLN to SEA
1h 52m
Average temperature for May in Seattle
66.2 °F
Avg rainfall for May in Seattle
1.8 ″

Airports servicing Helena

Helena (HLN)

Airports servicing Seattle

Seattle (SEA)

Popular flight searches

Check out other popular destinations found by fellow travelers in 2022.

Hourly flight availability from Helena to Seattle

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