$89 Cheap flights from Helena Regional to Seattle - Tacoma Intl. (HLN to SEA)

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Find The Best Dates To Fly from Helena Regional to Seattle - Tacoma Intl.

Amazing HLN to SEA Flight Deals

The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were $177 round trip and $89 one way. Prices and availability subject to change. Additional terms may apply.

Tue, Jun 4 - Tue, Jun 4
HLN
Helena
SEA
Seattle
$177 Roundtrip, found 22 hours ago
$177
Roundtrip
found 22 hours ago
Select Alaska Airlines flight, departing Tue, Jun 4 from Helena to Seattle, returning Tue, Jun 4, priced at $177 found 22 hours ago
Sat, Jun 8 - Wed, Jun 12
HLN
Helena
SEA
Seattle
$187 Roundtrip, found 2 days ago
$187
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sat, Jun 8 from Helena to Seattle, returning Wed, Jun 12, priced at $187 found 2 days ago
Wed, May 15 - Tue, May 28
HLN
Helena
SEA
Seattle
$196 Roundtrip, found 5 days ago
$196
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, May 15 from Helena to Seattle, returning Tue, May 28, priced at $196 found 5 days ago
Tue, Jun 4 - Tue, Jun 4
HLN
Helena
SEA
Seattle
$196 Roundtrip, found 22 hours ago
$196
Roundtrip
found 22 hours ago
Select Alaska Airlines flight, departing Tue, Jun 4 from Helena to Seattle, returning Tue, Jun 4, priced at $196 found 22 hours ago
Fri, May 17 - Tue, May 28
HLN
Helena
SEA
Seattle
$198 Roundtrip, found 5 days ago
$198
Roundtrip
found 5 days ago
Select Bargain Flight flight, departing Fri, May 17 from Helena to Seattle, returning Tue, May 28, priced at $198 found 5 days ago
Thu, May 30 - Wed, Jun 5
HLN
Helena
SEA
Seattle
$202 Roundtrip, found 5 hours ago
$202
Roundtrip
found 5 hours ago
Select Alaska Airlines flight, departing Thu, May 30 from Helena to Seattle, returning Wed, Jun 5, priced at $202 found 5 hours ago
Sat, Jun 8 - Mon, Jun 10
HLN
Helena
SEA
Seattle
$207 Roundtrip, found 1 day ago
$207
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Jun 8 from Helena to Seattle, returning Mon, Jun 10, priced at $207 found 1 day ago
Mon, May 20 - Sat, May 25
HLN
Helena
SEA
Seattle
$212 Roundtrip, found 1 day ago
$212
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Mon, May 20 from Helena to Seattle, returning Sat, May 25, priced at $212 found 1 day ago
Fri, May 17 - Tue, May 28
HLN
Helena
SEA
Seattle
$214 Roundtrip, found 5 days ago
$214
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Fri, May 17 from Helena to Seattle, returning Tue, May 28, priced at $214 found 5 days ago
Thu, Jun 6 - Mon, Jun 10
HLN
Helena
SEA
Seattle
$217 Roundtrip, found 4 hours ago
$217
Roundtrip
found 4 hours ago
Select Alaska Airlines flight, departing Thu, Jun 6 from Helena to Seattle, returning Mon, Jun 10, priced at $217 found 4 hours ago

Flight Schedule for HLN to SEA

CarrierFlightDepart HLNArrive SEATue
4/30		Wed
5/1		Thu
5/2		Fri
5/3		Sat
5/4		Sun
5/5		Mon
5/6		Stops
AS234802:56 pm03:41 pmCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
0 Stops

Frequently asked questions

Can I catch a flight from HLN to Sea-Tac Airport right now?
It’s prudent to find out about any quarantine requirements and travel advice reports in effect in your destination. Be sure to go to our Covid-19 Travel Advisor for up-to-date information on flying to Sea-Tac Airport from HLN.
Are there direct flights from Helena Regional Airport to SEA?
Wander wisely and get your hands on a direct flight from Helena Regional Airport (HLN) to Seattle - Tacoma Intl. Airport (SEA) with Alaska Airlines. This carrier is the ideal choice if you’d prefer to reach Seattle as quickly as possible.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Seattle - Tacoma Intl. Airport (SEA), please visit our Customer Service Portal.
How long is the flight from HLN to Seattle - Tacoma Intl. Airport (SEA)?
If you’re traveling from Helena Regional Airport to Seattle - Tacoma Intl. Airport (SEA), you can expect the trip to take around 4 hours and 22 minutes. If this sounds like more time than you would have liked, why not take advantage of it? Read up on your destination, fine tune your itinerary and have a nap before the adventure begins.
What is the flight distance from Helena Regional Airport (HLN) to Seattle - Tacoma Intl. Airport (SEA)?
Forget about settling in for a movie. You’d be lucky to even get in some episodes of your favorite show on the brief flight between HLN and SEA. You’ll only be traveling 490 mi.
What airlines fly from Helena Regional Airport (HLN) to SEA?
With Alaska Airlines, you won’t have to stress about annoying layovers or hanging around waiting for your flight connection. This airline company will take you nonstop from Helena to Seattle on one of the 30 flights offered on this route every month.
What airlines have practices regarding COVID-19 in place and use social distancing?
From the moment you enter the departure terminal to when you leave the arrivals terminal, if you’re flying with Alaska Airlines, Delta or Southwest Airlines you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

 

Traveling From
Helena Regional
Traveling To
Seattle - Tacoma Intl.
Shortest Flight Time
1 hours 45 mins
Earliest Departure Time
2:56PM MDT
Latest Departure Time
2:56PM MDT
Lowest Flight Price
$177

Route Info

Flight path for flights from Helena Regional Airport to Seattle-Tacoma International Airport.


Origin:
HLN - Helena Regional Airport
Destination:
SEA - Seattle-Tacoma International Airport
Distance:
492.00 miles


Discover our best flights from Helena HLN to Seattle SEA. 

With 18 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 

 

Find our best return flights from Helena HLN to Seattle SEA at the right price  

Airfares to Seattle SEA from Helena HLN currently cost between $177 and $217. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way flights from Helena HLN to Seattle SEA 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from Helena HLN to Seattle SEA on Travelocity starting at $89. Prices and availability subject to change. Additional terms may apply. 

 

Get to Seattle SEA from Helena HLN quicker with direct flights. 

Get to Seattle faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to SEA from HLN to take around 1 hour(s) 45 min(s).  

 

Find our cheapest airfares for flights from Helena HLN to Seattle SEA

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to SEA from HLN. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  

 

Get our best airfare deals for your flight from Helena HLN to Seattle SEA today 

If you’re flexible about when you travel, June is usually the cheapest month to fly from Helena HLN to Seattle SEA. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 

 

Book flexible airline tickets for flights to Seattle SEA from Helena HLN 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to SEA from HLN have this option.  

 

Travel with confidence when you book flights to Seattle SEA from Helena HLN with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.