Cheap flights from Seattle to Helena (SEA - HLN) from $99

This is the cheapest one-way flight price, found on 5/24. Prices may vary by date and flight preferences.
SEA — HLN
May 30 — Jun 61
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

The best prices from Seattle/Tacoma Intl to Helena are usually found in November or March, booked 31 days in advance, depart on a Monday or Tuesday and return on a Friday

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 2023: compare Seattle to Helena flight prices with the expected peak season, weather and rainfall in Helena.

Popular in

December

Cheapest in

November

Average price

$463

Round-trip from

$197
High demand for flights, 41% potential price rise
Best time to find cheap flights, 32% potential price drop
Average for round-trip flights in May 2023
From Seattle/Tacoma Intl to Helena

SEA - HLN

Price

$197 - $488

HLN

Temperature

21.2 - 69.8 °F

HLN

Rainfall

0.3 - 2.1 inches

Cheap flights from Seattle to Helena in May, June 2023

The best prices found for SEA to HLN flights for May, June
These are some of the most attractive deals on flights from Seattle to Helena in 2023. Check back in a little while for more flight options.

Seattle to Helena 2023 flight deals

Cheap flights to Helena from Seattle found for this year
These are some of the most attractive deals on flights from Seattle to Helena in 2023. Check back in a little while for more flight options.

Cheap Alaska Airlines flights from Seattle to Helena

Find some of the cheapest Alaska Airlines flights traveling from Seattle to Helena. Make sure to check back often as deals are often changing.

Cheap Delta flights from Seattle to Helena

Have a look at some of the cheapest available Delta flights departing from Seattle and landing in Helena. Deals are refreshing constantly so come back soon for more options.

Non-stop flights to Helena from Seattle

Save time with Seattle to Helena direct flight deals
For a shorter flight, select one of these non-stop flights from Seattle to Helena. If you're looking for other options for flights from Seattle to Helena, make sure to update the search form at the top of page.

Last minute flights from Seattle to Helena

Late deals on return flights to Helena from Seattle, departing today and this week
Users seeking a last-minute flight from Seattle to Helena should consider booking one of these fares. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.

One-way flights to Helena from Seattle

The cheapest one-way flights from Seattle to Helena
Some of the best available deals we've found on one-way flights from Seattle to Helena. Users can also find round-trip Seattle to Helena flights by using the search form above.

Find flights from Seattle to Helena within your budget

Use the slider to find flights from Seattle to Helena that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$218 - $599

Route

Depart

Return

Price

Seattle/Tacoma IntlHelena

SEA - HLN

SEAHLN

Seattle/Tacoma Intl

Fri 6/23

Nonstop1h 35m

Helena

Sun 6/25

Nonstop1h 46m

Seattle/Tacoma IntlHelena

SEA - HLN

SEAHLN

Seattle/Tacoma Intl

Sat 6/24

Nonstop1h 35m

Helena

Mon 6/26

Nonstop1h 46m

Seattle/Tacoma IntlHelena

SEA - HLN

SEAHLN

Seattle/Tacoma Intl

Fri 6/23

Nonstop1h 35m

Helena

Sun 6/25

Nonstop1h 46m

Seattle/Tacoma IntlHelena

SEA - HLN

SEAHLN

Seattle/Tacoma Intl

Fri 6/23

Nonstop1h 35m

Helena

Fri 6/30

Nonstop1h 46m

Seattle/Tacoma IntlHelena

SEA - HLN

SEAHLN

Seattle/Tacoma Intl

Sun 6/18

Nonstop1h 35m

Helena

Fri 6/23

Nonstop1h 46m

Seattle/Tacoma IntlHelena

SEA - HLN

SEAHLN

Seattle/Tacoma Intl

Mon 9/11

1 stop5h 38m

Helena

Sat 9/16

1 stop5h 45m

Seattle/Tacoma IntlHelena

SEA - HLN

SEAHLN

Seattle/Tacoma Intl

Wed 6/7

2 stops21h 38m

Helena

Fri 6/9

1 stop18h 40m

Seattle/Tacoma IntlHelena

SEA - HLN

SEAHLN

Seattle/Tacoma Intl

Mon 9/11

1 stop5h 38m

Helena

Sat 9/16

1 stop5h 45m

Seattle/Tacoma IntlHelena

SEA - HLN

SEAHLN

Seattle/Tacoma Intl

Wed 6/7

1 stop8h 22m

Helena

Fri 6/9

Nonstop1h 46m

Flights are sorted by cheapest first

Deals found on 5/25

Reviews of Airlines Servicing Helena

Peruse reviews from past customers who have flown with Alaska Airlines, Delta and United Airlines from Seattle to Helena to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
1,375 reviews

Food

7.2

Boarding

8.3

Comfort

8.0

Entertainment

7.1

Crew

8.6

Overall

8.0

Reviews

1 / 10

If there is a computer installed at the back of each seat for music and movies, that will be great.

Alaska Airlines
8.0
Very good
1,375 reviews
Alaska Airlines
8.0
Very good
1,375 reviews

Food

7.2

Boarding

8.3

Comfort

8.0

Entertainment

7.1

Crew

8.6

Overall

8.0

Reviews

1 / 10

If there is a computer installed at the back of each seat for music and movies, that will be great.

Delta
8.0
Very good
2,341 reviews
Alaska Airlines
8.0
Very good
1,375 reviews

Food

7.2

Boarding

8.3

Comfort

8.0

Entertainment

7.1

Crew

8.6

Overall

8.0

Reviews

1 / 10

If there is a computer installed at the back of each seat for music and movies, that will be great.

United Airlines
7.6
Good
1,486 reviews
Alaska Airlines
8.0
Very good
1,375 reviews

Food

7.2

Boarding

8.3

Comfort

8.0

Entertainment

7.1

Crew

8.6

Overall

8.0

Reviews

1 / 10

If there is a computer installed at the back of each seat for music and movies, that will be great.

Related info for your journey

Useful info, stats and facts about Seattle to Helena flights.

Alternative routes for Seattle to Helena

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

Top airline flying from Seattle 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.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Alaska AirlinesCheapest$99Average$229FlexibilityNo cancel feeOn-time75%COVID-19 safety
Search Alaska Airlines flights

Hourly flight availability from Seattle to Helena

See what time of day planes typically take off from Seattle to Helena
0%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
100%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
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
Sunday3daily flights
Monday3daily flights
Tuesday3daily flights
Wednesday3daily flights
Thursday3daily flights
Friday3daily flights
Saturday3daily flights