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Cheap flights from Helena to Seattle from $149

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Helena to Seattle departing on 11/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Helena to Seattle

Cheap round-trip flights

These are some of the best round-trip flight deals from Helena to Seattle that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Helena to Seattle.

Cheap last minute flights

Planning a quick getaway from Helena to Seattle? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Seattle, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Helena to Seattle

Find recent round-trip train or bus tickets from Helena to Seattle.

All round-trip flight deals to Seattle

The cheapest plane tickets to Seattle found on KAYAK recently.
1:00 pm - 7:00 pmHLN-SEA
7h 00m1 stop
5:30 am - 12:19 pmSEA-HLN
5h 49m1 stop
$206Delta
Find Deal
Sat, Dec 14 - Mon, Dec 16
4:19 pm - 5:00 pmHLN-SEA
1h 41mnonstop
1:10 pm - 3:42 pmSEA-HLN
1h 32mnonstop
$208Alaska Airlines
Find Deal
Wed, Feb 26 - Fri, Feb 28
1:25 pm - 6:44 pmHLN-SEA
6h 19m1 stop
5:30 am - 12:45 pmSEA-HLN
6h 15m1 stop
$226Delta
Find Deal
Wed, Feb 5 - Sun, Feb 9
5:30 am - 12:34 pmHLN-SEA
8h 04m1 stop
5:15 am - 12:45 pmSEA-HLN
6h 30m1 stop
$236Delta
Find Deal
Mon, Dec 16 - Thu, Dec 19
4:14 pm - 5:00 pmHLN-SEA
1h 46mnonstop
12:45 pm - 3:34 pmSEA-HLN
1h 49mnonstop
$238Alaska Airlines
Find Deal
Sat, Nov 23 - Sun, Nov 24
4:07 pm - 5:00 pmHLN-SEA
1h 53mnonstop
1:29 pm - 4:04 pmSEA-HLN
1h 35mnonstop
$247Alaska Airlines
Find Deal
Tue, Dec 10 - Tue, Jan 7
5:45 am - 9:45 amHLN-SEA
5h 00m1 stop
5:30 am - 12:38 pmSEA-HLN
6h 08m1 stop
$256Delta
Find Deal
Wed, Feb 26 - Fri, Feb 28
2:35 pm - 9:05 pmHLN-SEA
7h 30m1 stop
5:00 am - 1:41 pmSEA-HLN
7h 41m1 stop
$276United Airlines
Find Deal
Tue, Dec 10 - Tue, Jan 7
2:35 pm - 9:05 pmHLN-SEA
7h 30m1 stop
5:00 am - 1:41 pmSEA-HLN
7h 41m1 stop
$326United Airlines
Find Deal
Tue, Dec 10 - Tue, Jan 7
2:35 pm - 3:21 pmHLN-SEA
25h 46m2 stops
5:00 am - 1:41 pmSEA-HLN
7h 41m1 stop
$386United Airlines
Find Deal
Tue, Dec 10 - Tue, Jan 7
3:52 pm - 4:37 pmHLN-SEA
1h 45mnonstop
$149Alaska Airlines
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Sun, Nov 17
5:45 am - 9:39 amHLN-SEA
4h 54m1 stop
$158Delta
Find Deal
Sun, Nov 17
4:07 pm - 5:00 pmHLN-SEA
1h 53mnonstop
$184Alaska Airlines
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Tue, Dec 3
5:03 pm - 5:49 pmHLN-SEA
1h 46mnonstop
$219Alaska Airlines
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Mon, Dec 2
5:45 am - 9:39 amHLN-SEA
4h 54m1 stop
$299Delta
Find Deal
Sat, Nov 30
3:29 pm - 4:15 pmHLN-SEA
1h 46mnonstop
$329Alaska Airlines
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Fri, Nov 29
5:45 am - 7:55 amHLN-SEA
27h 10m1 stop
$332Delta
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Fri, Nov 29
2:35 pm - 10:46 amHLN-SEA
21h 11m2 stops
$392United Airlines
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Tue, Dec 3
6:30 am - 10:30 pmHLN-SEA
17h 00m2 stops
$408United Airlines
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Wed, Nov 20
6:30 am - 9:07 pmHLN-SEA
15h 37m3 stops
$413United Airlines
Find Deal
Wed, Nov 20
4:19 pm - 5:00 pmHLN-SEA
1h 41mnonstop
1:10 pm - 3:42 pmSEA-HLN
1h 32mnonstop
$208Alaska Airlines
Find Deal
Wed, Feb 26 - Fri, Feb 28
4:14 pm - 5:00 pmHLN-SEA
1h 46mnonstop
12:45 pm - 3:34 pmSEA-HLN
1h 49mnonstop
$238Alaska Airlines
Find Deal
Sat, Nov 23 - Sun, Nov 24
4:07 pm - 5:00 pmHLN-SEA
1h 53mnonstop
1:29 pm - 4:04 pmSEA-HLN
1h 35mnonstop
$247Alaska Airlines
Find Deal
Tue, Dec 10 - Tue, Jan 7
4:07 pm - 5:00 pmHLN-SEA
1h 53mnonstop
12:13 pm - 2:49 pmSEA-HLN
1h 36mnonstop
$268Alaska Airlines
Find Deal
Mon, Dec 16 - Thu, Dec 19
4:41 pm - 5:32 pmHLN-SEA
1h 51mnonstop
1:29 pm - 4:04 pmSEA-HLN
1h 35mnonstop
$358Alaska Airlines
Find Deal
Wed, Feb 5 - Sun, Feb 9
4:07 pm - 5:00 pmHLN-SEA
1h 53mnonstop
12:39 pm - 3:29 pmSEA-HLN
1h 50mnonstop
$368Alaska Airlines
Find Deal
Sat, Dec 14 - Mon, Dec 16
4:07 pm - 5:00 pmHLN-SEA
1h 53mnonstop
12:13 pm - 2:49 pmSEA-HLN
1h 36mnonstop
$418Alaska Airlines
Find Deal
Mon, Dec 16 - Thu, Dec 19
4:07 pm - 5:00 pmHLN-SEA
1h 53mnonstop
12:39 pm - 3:29 pmSEA-HLN
1h 50mnonstop
$518Alaska Airlines
Find Deal
Sat, Dec 14 - Mon, Dec 16
4:07 pm - 5:00 pmHLN-SEA
1h 53mnonstop
12:39 pm - 3:29 pmSEA-HLN
1h 50mnonstop
$548Alaska Airlines
Find Deal
Thu, Dec 12 - Mon, Dec 16
3:29 pm - 4:20 pmHLN-SEA
1h 51mnonstop
12:13 pm - 2:49 pmSEA-HLN
1h 36mnonstop
$598Alaska Airlines
Find Deal
Thu, Dec 19 - Mon, Dec 23

Alaska Airlines flights from Helena to Seattle

Our best Alaska Airlines deals on Helena to Seattle flight tickets
Alaska Airlines
Feb 26
HLN4:19 pmHelena
1h 41m
SEA5:00 pmSeattle/Tacoma Intl
Feb 28
SEA1:10 pmSeattle/Tacoma Intl
1h 32m
HLN3:42 pmHelena
Alaska Airlines
Nov 23
HLN4:14 pmHelena
1h 46m
SEA5:00 pmSeattle/Tacoma Intl
Nov 24
SEA12:45 pmSeattle/Tacoma Intl
1h 49m
HLN3:34 pmHelena
Alaska Airlines
Dec 10
HLN4:07 pmHelena
1h 53m
SEA5:00 pmSeattle/Tacoma Intl
Jan 7
SEA1:29 pmSeattle/Tacoma Intl
1h 35m
HLN4:04 pmHelena

United Airlines flights from Helena to Seattle

Our best United Airlines deals on Helena to Seattle flight tickets
United Airlines
Dec 10
HLN2:35 pmHelena
7h 30m
1 stop
SEA9:05 pmSeattle/Tacoma Intl
Jan 7
SEA5:00 amSeattle/Tacoma Intl
7h 41m
1 stop
HLN1:41 pmHelena
United Airlines
Dec 10
HLN2:35 pmHelena
7h 30m
1 stop
SEA9:05 pmSeattle/Tacoma Intl
Jan 7
SEA5:00 amSeattle/Tacoma Intl
7h 41m
1 stop
HLN1:41 pmHelena
United Airlines
Dec 10
HLN2:35 pmHelena
25h 46m
2 stops
SEA3:21 pmSeattle/Tacoma Intl
Jan 7
SEA5:00 amSeattle/Tacoma Intl
7h 41m
1 stop
HLN1:41 pmHelena

How to get the cheapest flight ticket from Helena to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly from Helena to Seattle?

February. The cheapest time of year to fly to Seattle from Helena is February. Most expensive is October

What is the cheapest day to depart Helena for Seattle?

Friday. The cheapest day of the week is typically Friday. The most expensive is typically Saturday

When is the cheapest time to fly from Helena to Seattle?

In the morning. Helena to Seattle flights are approximately 25% more expensive at noon than in the morning

What is the cheapest airline that flies to Seattle from Helena?

Alaska Airlines. Alaska Airlines and Delta are the most popular carriers operating from Helena to Seattle

What is the cheapest Helena to Seattle flight route?

Helena - Seattle/Tacoma Intl. Fly from Helena to Seattle/Tacoma Intl for the best Helena - Seattle flight prices

How far in advance should you book Helena to Seattle flights?

43 days before. The cheapest time to buy a flight from Helena to Seattle is approximately 43 days to departure

How many flights depart from Helena to Seattle on average per day?

As of November 2024, 2 flights take off from Helena and land in Seattle each day. The most common flight departure time for this route is 2:00PM, with 100% of daily flights taking off in the afternoon.

How many flights depart from Helena to Seattle on average per week?

As of November 2024, there are 20 flights per week flying from Helena to Seattle. The most common day of the week flights depart is Sunday, with 15% of flights taking off on this day.

Can stopping save me money on Helena to Seattle flights?

No. A direct flight is the cheapest option for a flight between Helena to Seattle.

How have Helena to Seattle flight prices changed over time?


When to book flights from Helena to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Helena to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Helena to Seattle (HLN to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Helena to Seattle

Best Price Found

$149

Fastest flight time

1h 41m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from Helena in the past 72 hours is $149. The best round-trip flight deal from Helena to Seattle found on momondo in the last 72 hours is $206.
The fastest flight from Helena to Seattle takes 1h 41m
Direct flights go from Helena to Seattle every day.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

  • How far is Helena to Seattle/Tacoma Intl by plane?

    A flight from Helena to Seattle/Tacoma Intl will travel around 489.0 mi. Flights usually cover this in 1h 41m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Helena Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from Helena Airport to Seattle/Tacoma Intl Airport are updated daily.

  • How many operators does momondo search for flights from Helena Airport to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Helena Airport to Seattle/Tacoma Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Helena Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Helena to Seattle?

  • What is the most popular airline from Helena to Seattle?


Best airlines flying from Helena to Seattle

Compare and see reviews for airlines that fly from Helena to Seattle with momondo
Airline
Rating
Free Cancellation
Price
Alaska AirlinesPriceFrom $137Free CancellationRating
8.0
9,423 reviews
Search Alaska Airlines flights
DeltaPriceFrom $216Free CancellationRating
8.0
8,829 reviews
Search Delta flights
  • Alaska Airlines Flights From Helena to Seattle

    Alaska Airlines flies from Helena to Seattle around 6 times per week, with 9,423 momondo users rating the airline 8.0/10. The cheapest Alaska Airlines deal from Helena to Seattle in the last 72 hours was $137 (round-trip), much lower than the average airfare cost of $262 for Alaska Airlines flights on this route.


Why use momondo?

Why should I use momondo to find a flight deal from Helena to Seattle?

It is quick and easy to find Helena to Seattle flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Seattle that suits you.

Can I find flights from Helena to Seattle with flexible booking policies on momondo?

All flight searches from Helena to Seattle on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Helena to Seattle?

momondo helps you find the best flight between Helena and Seattle by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Helena to Seattle right now. Can momondo alert me if prices change?

Price alerts on flights to Seattle from Helena are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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