A cityscape at dusk with illuminated buildings and a prominent cathedral with two spires. Snow-covered mountains are visible in the background.

CA $200 Cheap Flights from Seattle (SEA) to Helena (HLN)

View CA $200 flight on Wed, Sep 16, 2026Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Helena, MT (HLN-Helena Regional)

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Cheap flights from Seattle (SEA) to Helena (HLN)

Prices were available within the past 7 days and start at CA $200 for one-way flights and CA $386 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Thu, Sep 17 - Sat, Sep 19
SEA
Seattle
HLN
Helena
CA $386 Roundtrip, found 1 day ago
CA $386
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Thu, Sep 17 from Seattle to Helena, returning Sat, Sep 19, priced at CA $386 found 1 day ago
Alaska Airlines
Thu, Sep 17 - Mon, Sep 21
SEA
Seattle
HLN
Helena
CA $400 Roundtrip, found 1 day ago
CA $400
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Thu, Sep 17 from Seattle to Helena, returning Mon, Sep 21, priced at CA $400 found 1 day ago
Delta
Thu, Sep 17 - Tue, Sep 22
SEA
Seattle
HLN
Helena
CA $408 Roundtrip, found 1 day ago
CA $408
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Sep 17 from Seattle to Helena, returning Tue, Sep 22, priced at CA $408 found 1 day ago
Delta
Tue, Sep 15 - Wed, Sep 23
SEA
Seattle
HLN
Helena
CA $415 Roundtrip, found 1 day ago
CA $415
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Sep 15 from Seattle to Helena, returning Wed, Sep 23, priced at CA $415 found 1 day ago
Alaska Airlines
Tue, Sep 15 - Sat, Sep 19
SEA
Seattle
HLN
Helena
CA $422 Roundtrip, found 1 day ago
CA $422
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Tue, Sep 15 from Seattle to Helena, returning Sat, Sep 19, priced at CA $422 found 1 day ago
Alaska Airlines
Tue, Sep 15 - Mon, Sep 21
SEA
Seattle
HLN
Helena
CA $436 Roundtrip, found 1 day ago
CA $436
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Tue, Sep 15 from Seattle to Helena, returning Mon, Sep 21, priced at CA $436 found 1 day ago
Delta
Thu, Sep 17 - Tue, Sep 22
SEA
Seattle
HLN
Helena
CA $456 Roundtrip, found 1 day ago
CA $456
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Sep 17 from Seattle to Helena, returning Tue, Sep 22, priced at CA $456 found 1 day ago
United
Wed, Sep 16 - Mon, Sep 21
SEA
Seattle
HLN
Helena
CA $457 Roundtrip, found 1 day ago
CA $457
Roundtrip
found 1 day ago
Select United flight, departing Wed, Sep 16 from Seattle to Helena, returning Mon, Sep 21, priced at CA $457 found 1 day ago
Delta
Thu, Sep 17 - Tue, Sep 22
SEA
Seattle
HLN
Helena
CA $464 Roundtrip, found 1 day ago
CA $464
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Sep 17 from Seattle to Helena, returning Tue, Sep 22, priced at CA $464 found 1 day ago
Alaska Airlines
Thu, Sep 17 - Thu, Sep 24
SEA
Seattle
HLN
Helena
CA $470 Roundtrip, found 1 day ago
CA $470
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Thu, Sep 17 from Seattle to Helena, returning Thu, Sep 24, priced at CA $470 found 1 day ago

Alternative airports near Helena

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Helena Regional HLN. Cheapest and Closest option available. Average driving time to city centre is 7 minutes. Flights from CA $540
HLN
Helena Regional
CheapestClosest
Average driving time to city centre7 min
Flights from CA $540

Find the cheapest month to fly from Seattle (SEA) to Helena (HLN)

April is typically the cheapest month to fly

From CA $194 - CA $358 per traveller.

Frequently asked questions

How much does a flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Helena, MT (HLN-Helena Regional) cost?
You can find cheap one-way flights from CA $200 and cheap return flights from CA $386 SEA to HLN with Expedia. One-way flights typically cost between CA$210 and CA$953, and return flights often range between CA$367 and CA$1629. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when SEA to HLN ticket fares go up or down.
What is the cheapest month to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Helena, MT (HLN-Helena Regional)?
The cheapest months to fly from SEA to HLN are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Seattle, WA (SEA) to Helena, MT (HLN)?
Enter SEA to HLN and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Helena, MT (HLN-Helena Regional)?
Alaska Airlines is one of the cheapest airlines offering nonstop return flights from Seattle - Tacoma Intl. (SEA) to Helena Regional (HLN), with tickets starting from around CA$245 for flights that can be booked for departure within the next year. For connecting flights, Alaska Airlines is also one of the cheapest, with return tickets starting from around CA$522. These prices are per adult, for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Helena, MT (HLN-Helena Regional)?
To find a cheap flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Helena, MT (HLN-Helena Regional), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Helena, MT (HLN-Helena Regional)?
The best airline to fly with from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Helena, MT (HLN-Helena Regional) will differ from traveler to traveler. If you like to fly early, Alaska Airlines offers early morning flights. If price is the most important factor, Alaska Airlines typically offers the lowest fares. United offers the most daily flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Helena, MT (HLN-Helena Regional), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Helena, MT (HLN-Helena Regional)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Helena, MT (HLN-Helena Regional)?
There are approximately 11 connecting flights per day from Seattle - Tacoma Intl. (SEA) to Helena Regional (HLN). Some common connection points include Denver Intl. (DEN), Salt Lake City Intl. (SLC), and Portland Intl. (PDX).
What is the earliest flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Helena, MT (HLN-Helena Regional)?
The earliest flight from Seattle - Tacoma Intl. (SEA) to Helena Regional (HLN) typically departs at around 5:00 AM local time, operated by Delta. This is a seasonal service active in January and February. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Helena, MT (HLN-Helena Regional)?
You'll typically find the most flights from Seattle - Tacoma Intl. (SEA) to Helena Regional (HLN) on a Thursday, with around 8 flights available. This gives you a good selection for your travel plans. Major airlines on this route include Delta, United, and Alaska Airlines. Flight schedules are quite consistent throughout the week, so you'll have options on other days too.
What are the most popular departure times for flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Helena, MT (HLN-Helena Regional)?
The most popular departure times for flights from Seattle - Tacoma Intl. (SEA) to Helena Regional (HLN) are between 12pm and 3pm. Many major carriers, including Alaska Airlines, United and Delta, offer flights during this window. Many travellers prefer this time as it allows for a morning start and an afternoon arrival, giving you plenty of time to settle in at your destination.
How long does it take to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Helena, MT (HLN-Helena Regional)?
Direct flights from SEA to HLN usually take about 1 hour 30 minutes, traveling roughly 787 kilometers. If you opt for a connecting flight, expect to add around 6 hours 20 minutes to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Helena, MT (HLN-Helena Regional)?
Select the "Business class" and "First class" filters when looking for SEA to HLN flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Seattle, WA (SEA) to Helena, MT (HLN) flight with Expedia?
It's easy to earn miles on a Seattle, WA (SEA) to Helena, MT (HLN) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Helena, MT (HLN) from Seattle, WA (SEA)?
If you're planning to travel to Helena from Seattle - Tacoma Intl. (SEA), you can fly directly into Helena Regional (HLN). Some flights may connect through major hubs like Portland Intl. (PDX), San Francisco Intl. (SFO), or Sacramento Intl. (SMF) before reaching Helena. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Seattle, WA (SEA) to Helena, MT (HLN) at the last minute?
Typically, booking a last minute flight from Seattle, WA (SEA) to Helena, MT (HLN) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Seattle, WA (SEA) to Helena, MT (HLN) flight and hotel package?
Securing a Seattle, WA (SEA) to Helena, MT (HLN) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Helena, MT (HLN-Helena Regional)?
If you booked your Seattle, WA (SEA-Seattle - Tacoma Intl.) to Helena, MT (HLN-Helena Regional) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Helena Regional
Airlines serving
Alaska Airlines, Delta, United
Roundtrip price
CA $386
Distance
781 km
Average flight time
2 hours 35 mins

Book with confidence

Seattle to Helena Flights

The easy way to book your flights from Seattle to Helena 

With Expedia, it’s simple to find and book flights to Helena from Seattle whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Helena Regional, too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Seattle to Helena today, tomorrow, or this week.  

 

Save dollars with cheap flights from Seattle - Tacoma Intl., SEA to Helena Regional, HLN 

Sort your search results by price to find great deals on your flight from Seattle to Helena—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Helena from Seattle currently is just CA $386 rising to CA $470.  

Here are more money-saving tips: 

  • Fly in September when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Helena  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Helena from Seattle 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Helena with Expedia today.

Seattle to Helena Flights

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