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$157+ Cheap flights from Helena to Seattle (HLN - SEA)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — SEA
Dec 28 — Jan 41
Sat 12/28
Sat 1/4
1 adult, Economy
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The best prices from Helena to Seattle/Tacoma Intl are usually found in February or May, booked 43 days in advance, depart on a Wednesday or Friday and return on a Tuesday

Cheap flight deals from Helena to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Helena (HLN) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 23, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$157
(Alaska Airlines)

Popular in

November

Cheapest in

February

Average price

$298
Provider with most accurate pricing for Helena-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Helena-Seattle/Tacoma Intl flights.
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From Helena to Seattle/Tacoma Intl
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High demand for flights, 19% potential price rise
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Best time to find cheap flights, 7% potential price drop
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Average for round-trip flights in December 2024
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Find flight deals from Helena to Seattle

Best flights from Helena to Seattle
Discover carefully curated flight deals from Helena to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 23, 2024.

This Alaska Airlines deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/14:19 pmHLN - SEA
Nonstop1h 41mAlaska Airlines
Wed 3/51:10 pmSEA - HLN
Nonstop1h 32mAlaska Airlines
Deal found 12/22$157
This Delta deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/75:50 amHLN - SEA
1 stop4h 55mDelta
Tue 1/145:05 pmSEA - HLN
1 stop5h 02mDelta
Deal found 12/22$236
This United deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/16:45 amHLN - SEA
2 stops19h 10mUnited Airlines
Wed 3/55:02 amSEA - HLN
1 stop7h 23mUnited Airlines
Deal found 12/22$396

Find flights from Helena to Seattle within your budget

Customize your flight search to find flights from Helena to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 23, 2024.

Fly from

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Fly to

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Route

Depart

Return

Price

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Sat 3/1

4:19 pm-5:00 pm

Nonstop1h 41m

Seattle/Tacoma Intl

Wed 3/5

1:10 pm-3:42 pm

Nonstop1h 32m

$157

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Tue 1/7

5:50 am-9:45 am

1 stop4h 55m

Seattle/Tacoma Intl

Tue 1/14

5:05 pm-11:07 pm

1 stop5h 02m

$236

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Sat 3/1

6:45 am-12:55 am

2 stops19h 10m

Seattle/Tacoma Intl

Wed 3/5

5:02 am-1:25 pm

1 stop7h 23m

$396

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Mon 12/30

5:45 am-9:45 am

1 stop5h 00m

$228

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Mon 12/30

3:29 pm-4:20 pm

Nonstop1h 51m

$499

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Mon 12/30

6:25 am-11:30 am

2 stops30h 05m

$632

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/23

Compare providers for flights from Helena to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Helena to Seattle in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Helena-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Helena-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Helena-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Helena-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Helena-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Helena to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Helena with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Helena to Seattle

Get recent, data-driven insights about flights from Helena to Seattle including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Helena to Seattle. Price data was last updated on December 20, 2024.

To ensure you get the cheapest price possible for a flight from Helena to Seattle, you should look to book at least 43 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Helena to Seattle?

Currently, January is the cheapest month in which you can book a flight from Helena to Seattle (average of $238). Flying from Helena to Seattle in July is currently the most expensive (average of $411). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from HLN to SEA?

Find hourly flight availability from Helena to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 23, 2024.

A simple way to save on the total cost of your ticket is to fly from Helena to Seattle in the morning. If you’re flexible enough to do this you can expect to save up to 46% on your trip compared to booking a flight at noon.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated December 23, 2024.
Alaska Airlines
8.0
Very good
9,549 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Food

7.2

Crew

8.5

Reviews

1 / 10

How do online staff who book reservations get a passenger’s birthdate wrong

Alaska Airlines
8.0
Very good
9,549 reviews
Alaska Airlines
8.0
Very good
9,549 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Food

7.2

Crew

8.5

Reviews

1 / 10

How do online staff who book reservations get a passenger’s birthdate wrong

Delta
8.0
Very good
8,588 reviews
Alaska Airlines
8.0
Very good
9,549 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Food

7.2

Crew

8.5

Reviews

1 / 10

How do online staff who book reservations get a passenger’s birthdate wrong

United Airlines
7.4
Good
9,022 reviews
Alaska Airlines
8.0
Very good
9,549 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Food

7.2

Crew

8.5

Reviews

1 / 10

How do online staff who book reservations get a passenger’s birthdate wrong

Related info for your journey

Find useful and relevant information for your journey from Helena to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 2 different airlines, which means you should have some options if you want to compare airfare deals. 4h 36m is how long a nonstop flight from Helena to Seattle/Tacoma Intl typically takes.

  • How popular is this Helena to Seattle flight route?

    Within the past month, 2 users have taken a look at flights from Helena to Seattle/Tacoma Intl.

  • 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 $157. Additional round-trip tickets that might be worth considering are offered by Delta and United Airlines, with the lowest prices starting at $236 and $396, respectively. Users have found that Alaska Airlines is 43% 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 Delta. According to our data, you can fly for as low as $228. Users have also found prices from $499 and $632 on Alaska Airlines and United Airlines, respectively.

  • 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: SkyWest Airlines (88%), Korean Air (86%), Qatar Airways( 83%).

  • What are the cheapest flights from Helena to Seattle?

    On average you can expect to pay $1,271 for a flight from Helena to Seattle. The cheapest flight overall is $119 while the most popular route, (Helena - Seattle/Tacoma Intl) is currently priced at $236.

  • Can I find deals for flights from Helena to Seattle that include hotel bookings?

    Yes. In addition to deals on Helena to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Helena to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Helena to Seattle.

  • Can I find deals for business class flights from Helena to Seattle?

    Yes. Cheapflights offers flight deals from Helena to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Helena to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Helena to Seattle (average of $238). Flying from Helena to Seattle in July is currently the most expensive (average of $411). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top 2 airlines flying from Helena to Seattle

Discover the top 2 airlines that operate flights from Helena to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 23, 2024.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$146Average$250FlexibilityNo cancel feeOn-time75%
DeltaCheapest$216Average$496FlexibilityNo cancel feeOn-timeN/A
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