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

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — SEA
Oct 7 — Oct 141
From?
To?
Mon 10/7
Mon 10/14
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 Friday or Thursday and return on a Saturday

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 October 2, 2024.

Popular in

November

Cheapest in

February

Round-trip from

$216
(Delta)

One-way from

$99
(Alaska Airlines)
High demand for flights, 21% potential price rise
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Best time to find cheap flights, 32% potential price drop
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From Helena to Seattle/Tacoma Intl
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One-way flight from Helena to Seattle/Tacoma Intl
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Cheap Helena to Seattle flights in October & November 2024

Find cheap flight options from Helena to Seattle specifically for the months of October and November 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,666,977 searches. Prices were last updated on October 2, 2024.
Listed are some of the best fares we've found on flights departing from Helena to Seattle in 2024. More deals are always being added, so be sure to check back regularly.
This Alaska Airlines deal was found by Cheapflights users on 10/1. 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.
Thu 10/244:13 pmHLN - SEA
Nonstop1h 45mAlaska Airlines
Sat 10/2612:57 pmSEA - HLN
Nonstop1h 36mAlaska Airlines
Deal found 10/1$218
This Delta deal was found by Cheapflights users on 10/1. 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.
Thu 10/241:12 pmHLN - SEA
1 stop4h 33mDelta
Sat 10/265:30 amSEA - HLN
1 stop6h 02mDelta
Deal found 10/1$236
This United Airlines deal was found by Cheapflights users on 10/1. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/312:32 pmHLN - SEA
1 stop7h 38mUnited Airlines
Fri 11/15:36 amSEA - HLN
2 stops31h 21mUnited Airlines
Deal found 10/1$433

Helena to Seattle 2024 flight deals

Discover exclusive flight deals for travel between Helena and Seattle in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,666,977 searches. Data last updated October 2, 2024.
Listed are some of the best fares we've found on flights departing from Helena to Seattle in 2024. More deals are always being added, so be sure to check back regularly.
This Alaska Airlines deal was found by Cheapflights users on 10/1. 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.
Thu 10/244:13 pmHLN - SEA
Nonstop1h 45mAlaska Airlines
Sat 10/2612:57 pmSEA - HLN
Nonstop1h 36mAlaska Airlines
Deal found 10/1$218
This Delta deal was found by Cheapflights users on 10/1. 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.
Thu 10/241:12 pmHLN - SEA
1 stop4h 33mDelta
Sat 10/265:30 amSEA - HLN
1 stop6h 02mDelta
Deal found 10/1$236
This United Airlines deal was found by Cheapflights users on 10/1. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/312:32 pmHLN - SEA
1 stop7h 38mUnited Airlines
Fri 11/15:36 amSEA - HLN
2 stops31h 21mUnited Airlines
Deal found 10/1$433

Helena to Seattle flights leaving soon

Find last-minute flight options from Helena to Seattle for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,666,977 searches. Data last updated October 2, 2024.
Have a look at some of the flights available from Helena to Seattle departing last-minute. It's wise to confirm all flight details are correct before booking.
This Delta deal was found by Cheapflights users on 10/2. 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.
Fri 10/116:00 amHLN - SEA
1 stop4h 20mDelta
Sat 10/127:15 amSEA - HLN
1 stop4h 17mDelta
Deal found 10/2$456
This Alaska Airlines deal was found by Cheapflights users on 9/30. 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.
Thu 10/34:13 pmHLN - SEA
Nonstop1h 45mAlaska Airlines
Sat 10/512:57 pmSEA - HLN
Nonstop1h 36mAlaska Airlines
Deal found 9/30$518
This United Airlines deal was found by Cheapflights users on 10/1. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/32:25 pmHLN - SEA
2 stops23h 30mUnited Airlines
Sat 10/55:00 amSEA - HLN
1 stop7h 50mUnited Airlines
Deal found 10/1$681

One-way flights to Seattle from Helena

Search for one-way flight options from Helena to Seattle. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,666,977 searches. Data last updated October 2, 2024.
Take a look at some of the one-way flights we've detected from Helena to Seattle. Users needing a return flight from Helena to Seattle should utilize the search form above.
This Alaska Airlines deal was found by Cheapflights users on 10/1. 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.
Wed 10/302:42 pmHLN - SEA
Nonstop1h 45mAlaska Airlines
Deal found 10/1$99
This Delta deal was found by Cheapflights users on 10/1. 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.
Wed 10/301:12 pmHLN - SEA
1 stop4h 17mDelta
Deal found 10/1$108
This United Airlines deal was found by Cheapflights users on 10/1. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/312:32 pmHLN - SEA
2 stops19h 04mUnited Airlines
Deal found 10/1$250

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 2,666,977 searches. Data last updated October 2, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$216 - $426

Route

Depart

Return

Price

HelenaSeattle/Tacoma Intl

HLN - SEA

HLNSEA

Helena

Tue 1/7

1 stop7h 56m

Seattle/Tacoma Intl

Tue 1/14

1 stop5h 53m

$216

HelenaSeattle/Tacoma Intl

HLN - SEA

HLNSEA

Helena

Thu 10/24

Nonstop1h 45m

Seattle/Tacoma Intl

Sat 10/26

Nonstop1h 36m

$218

HelenaSeattle/Tacoma Intl

HLN - SEA

HLNSEA

Helena

Tue 1/7

2 stops24h 07m

Seattle/Tacoma Intl

Tue 1/14

1 stop7h 41m

$426

Flights are sorted by cheapest first

Deals found on 10/2

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 September 27, 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.

Find deals

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

Currently, June is the cheapest month in which you can book a flight from Helena to Seattle (average of $74). Flying from Helena to Seattle in August is currently the most expensive (average of $163). 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 October 2, 2024.

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 53% 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 October 2, 2024.
See what other customers who have flown with Delta, United Airlines and Alaska Airlines from Helena to Seattle have to say. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,377 reviews

Comfort

7.9

Boarding

8.2

Food

7.2

Overall

8.0

Entertainment

7.1

Crew

8.6

Reviews

1 / 10

It was the first time I have flown Alaska and I don’t think I can recommend it to others. It was so hot on the plane, food was preordered but I never received it.

Alaska Airlines
8.0
Very good
9,377 reviews
Alaska Airlines
8.0
Very good
9,377 reviews

Comfort

7.9

Boarding

8.2

Food

7.2

Overall

8.0

Entertainment

7.1

Crew

8.6

Reviews

1 / 10

It was the first time I have flown Alaska and I don’t think I can recommend it to others. It was so hot on the plane, food was preordered but I never received it.

Delta
8.0
Very good
9,007 reviews
Alaska Airlines
8.0
Very good
9,377 reviews

Comfort

7.9

Boarding

8.2

Food

7.2

Overall

8.0

Entertainment

7.1

Crew

8.6

Reviews

1 / 10

It was the first time I have flown Alaska and I don’t think I can recommend it to others. It was so hot on the plane, food was preordered but I never received it.

United Airlines
7.4
Good
9,390 reviews
Alaska Airlines
8.0
Very good
9,377 reviews

Comfort

7.9

Boarding

8.2

Food

7.2

Overall

8.0

Entertainment

7.1

Crew

8.6

Reviews

1 / 10

It was the first time I have flown Alaska and I don’t think I can recommend it to others. It was so hot on the plane, food was preordered but I never received it.

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.

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

    Yes, there are multiple flights from Helena to Seattle for under $300. The cheapest flight booked recently is on Delta for just $216, but on average you can expect to pay $286.

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

    Cheapflights has at least 4 direct flights from Helena to Seattle under $300. A good price for a nonstop flight from Helena to Seattle is less than $546.

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

    There are currently 3+ open flights from Helena to Seattle within the next 7 days for less than $500.

  • 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 Delta is currently your cheapest option to Seattle, with prices starting at $216. Additional round-trip tickets that might be worth considering are offered by Alaska Airlines and United Airlines, with the lowest prices starting at $218 and $426, respectively. Users have found that Delta is 20% 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 $99. Users have also found prices from $108 and $250 on Delta 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: Qatar Airways (94%), Alaska Airlines (82%), Horizon Air( 82%).

  • What are the cheapest flights from Helena to Seattle?

    On average you can expect to pay $294 for a flight from Helena to Seattle. The cheapest flight overall is $98 while the most popular route, (Helena - Seattle/Tacoma Intl) is currently priced at $216.

  • What does HLN to SEA mean?

    HLN and SEA are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. HLN to SEA refers to a flight route from Helena Airport to Seattle/Tacoma Intl Airport.

  • Can I find deals for flights from Helena to Seattle that include extra baggage allowance?

    The amount of baggage you can bring on your Helena to Seattle flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Helena to Seattle with specific airlines?

    Yes, Cheapflights allows you to browse and filter Helena to Seattle flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Helena to Seattle that allow pets onboard?

    Many airlines flying from Helena to Seattle offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Helena to Seattle?

    Yes, you can often find last-minute deals on Helena to Seattle flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Helena to Seattle flight deals updated?

    The Helena to Seattle flight deals you see on this page were last updated on 10/1.

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

    Currently, June is the cheapest month in which you can book a flight from Helena to Seattle (average of $74). Flying from Helena to Seattle in August is currently the most expensive (average of $163). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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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 2,666,977 searches. Data last updated October 2, 2024.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$137Average$262FlexibilityNo cancel feeOn-time75%
DeltaCheapest$216Average$420FlexibilityNo cancel feeOn-timeN/A
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