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Cheap flights from Helena to Seattle from $156

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Helena to Seattle departing on 1/14. 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.
1:30 pm - 6:46 pmHLN-SEA
6h 16m1 stop
5:05 pm - 11:07 pmSEA-HLN
5h 02m1 stop
$156Delta
Find Deal
Tue, Jan 14 - Tue, Jan 21
4:19 pm - 5:00 pmHLN-SEA
1h 41mnonstop
1:10 pm - 3:42 pmSEA-HLN
1h 32mnonstop
$157Alaska Airlines
Find Deal
Sat, Mar 1 - Wed, Mar 5
4:41 pm - 5:32 pmHLN-SEA
1h 51mnonstop
1:29 pm - 4:04 pmSEA-HLN
1h 35mnonstop
$197Alaska Airlines
Find Deal
Fri, Jan 10 - Mon, Jan 13
1:30 pm - 6:46 pmHLN-SEA
6h 16m1 stop
5:05 pm - 11:07 pmSEA-HLN
5h 02m1 stop
$242Delta
Find Deal
Fri, Jan 10 - Mon, Jan 13
5:50 am - 9:45 amHLN-SEA
4h 55m1 stop
5:30 am - 12:50 pmSEA-HLN
6h 20m1 stop
$276Delta
Find Deal
Sun, Jan 12 - Wed, Jan 15
4:19 pm - 5:00 pmHLN-SEA
1h 41mnonstop
1:06 pm - 3:39 pmSEA-HLN
1h 33mnonstop
$288Alaska Airlines
Find Deal
Fri, Apr 18 - Mon, Apr 21
4:41 pm - 5:32 pmHLN-SEA
1h 51mnonstop
1:29 pm - 4:04 pmSEA-HLN
1h 35mnonstop
$297Alaska Airlines
Find Deal
Wed, Feb 5 - Sat, Feb 8
2:25 pm - 9:11 pmHLN-SEA
7h 46m1 stop
9:20 am - 1:41 pmSEA-HLN
27h 21m2 stops
$386United Airlines
Find Deal
Tue, Jan 14 - Tue, Jan 21
6:45 am - 12:55 amHLN-SEA
19h 10m2 stops
5:02 am - 1:25 pmSEA-HLN
7h 23m1 stop
$396United Airlines
Find Deal
Sat, Mar 1 - Wed, Mar 5
2:25 pm - 9:11 pmHLN-SEA
7h 46m1 stop
5:00 am - 1:41 pmSEA-HLN
7h 41m1 stop
$416United Airlines
Find Deal
Sat, Jan 18 - Tue, Jan 21
3:29 pm - 4:20 pmHLN-SEA
1h 51mnonstop
$329Alaska Airlines
Find Deal
Mon, Dec 30
1:25 pm - 6:59 pmHLN-SEA
6h 34m1 stop
$379Delta
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Mon, Dec 30
5:45 am - 9:45 amHLN-SEA
5h 00m1 stop
$459Delta
Find Deal
Mon, Dec 30
6:25 am - 2:15 pmHLN-SEA
32h 50m2 stops
$702United Airlines
Find Deal
Mon, Dec 30
6:25 am - 12:41 pmHLN-SEA
31h 16m2 stops
$738United Airlines
Find Deal
Mon, Dec 30
6:25 am - 11:50 pmHLN-SEA
18h 25m3 stops
$938United Airlines
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Mon, Dec 30
6:25 am - 11:50 pmHLN-SEA
18h 25m3 stops
$981United Airlines
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Mon, Dec 30
5:45 am - 12:44 pmHLN-SEA
7h 59m1 stop
5:30 am - 12:45 pmSEA-HLN
6h 15m1 stop
$476Delta
Find Deal
Thu, Dec 19 - Fri, Jan 3
3:29 pm - 4:20 pmHLN-SEA
1h 51mnonstop
12:13 pm - 2:49 pmSEA-HLN
1h 36mnonstop
$568Alaska Airlines
Find Deal
Thu, Dec 19 - Fri, Jan 3
5:45 am - 12:44 pmHLN-SEA
7h 59m1 stop
5:00 pm - 10:52 pmSEA-HLN
4h 52m1 stop
$596Delta
Find Deal
Sun, Dec 22 - Tue, Dec 24
2:25 pm - 2:15 pmHLN-SEA
24h 50m2 stops
7:10 pm - 9:31 pmSEA-HLN
25h 21m1 stop
$690United Airlines
Find Deal
Thu, Dec 19 - Fri, Jan 3
2:25 pm - 2:15 pmHLN-SEA
24h 50m2 stops
3:11 pm - 9:31 pmSEA-HLN
29h 20m2 stops
$695United Airlines
Find Deal
Thu, Dec 19 - Fri, Jan 3
6:25 am - 11:50 pmHLN-SEA
18h 25m3 stops
3:11 pm - 9:31 pmSEA-HLN
29h 20m2 stops
$780United Airlines
Find Deal
Thu, Dec 19 - Fri, Jan 3
3:29 pm - 4:20 pmHLN-SEA
1h 51mnonstop
12:13 pm - 2:49 pmSEA-HLN
1h 36mnonstop
$803Alaska Airlines
Find Deal
Thu, Dec 19 - Mon, Dec 23
2:25 pm - 9:53 amHLN-SEA
20h 28m1 stop
3:11 pm - 9:31 pmSEA-HLN
29h 20m2 stops
$845United Airlines
Find Deal
Sun, Dec 22 - Tue, Dec 24
2:25 pm - 9:15 pmHLN-SEA
31h 50m2 stops
3:11 pm - 9:31 pmSEA-HLN
29h 20m2 stops
$850United Airlines
Find Deal
Sun, Dec 22 - Tue, Dec 24
3:29 pm - 4:20 pmHLN-SEA
1h 51mnonstop
12:13 pm - 2:49 pmSEA-HLN
1h 36mnonstop
$1,113Alaska Airlines
Find Deal
Sun, Dec 22 - Tue, Dec 24
4:19 pm - 5:00 pmHLN-SEA
1h 41mnonstop
1:10 pm - 3:42 pmSEA-HLN
1h 32mnonstop
$157Alaska Airlines
Find Deal
Sat, Mar 1 - Wed, Mar 5
4:41 pm - 5:32 pmHLN-SEA
1h 51mnonstop
1:29 pm - 4:04 pmSEA-HLN
1h 35mnonstop
$197Alaska Airlines
Find Deal
Fri, Jan 10 - Mon, Jan 13
4:19 pm - 5:00 pmHLN-SEA
1h 41mnonstop
1:06 pm - 3:39 pmSEA-HLN
1h 33mnonstop
$288Alaska Airlines
Find Deal
Fri, Apr 18 - Mon, Apr 21
4:41 pm - 5:32 pmHLN-SEA
1h 51mnonstop
1:29 pm - 4:04 pmSEA-HLN
1h 35mnonstop
$297Alaska Airlines
Find Deal
Wed, Feb 5 - Sat, Feb 8
4:41 pm - 5:32 pmHLN-SEA
1h 51mnonstop
1:29 pm - 4:04 pmSEA-HLN
1h 35mnonstop
$307Alaska Airlines
Find Deal
Sun, Jan 12 - Wed, Jan 15
4:41 pm - 5:32 pmHLN-SEA
1h 51mnonstop
1:29 pm - 4:04 pmSEA-HLN
1h 35mnonstop
$347Alaska Airlines
Find Deal
Fri, Jan 10 - Mon, Jan 13
4:41 pm - 5:32 pmHLN-SEA
1h 51mnonstop
1:29 pm - 4:04 pmSEA-HLN
1h 35mnonstop
$368Alaska Airlines
Find Deal
Sat, Jan 18 - Tue, Jan 21
4:10 pm - 4:59 pmHLN-SEA
1h 49mnonstop
9:20 pm - 11:58 pmSEA-HLN
1h 38mnonstop
$418Alaska Airlines
Find Deal
Fri, May 23 - Sat, May 31
3:29 pm - 4:20 pmHLN-SEA
1h 51mnonstop
12:13 pm - 2:49 pmSEA-HLN
1h 36mnonstop
$628Alaska Airlines
Find Deal
Mon, Dec 30 - Wed, Jan 1
3:29 pm - 4:20 pmHLN-SEA
1h 51mnonstop
12:13 pm - 2:49 pmSEA-HLN
1h 36mnonstop
$973Alaska Airlines
Find Deal
Sun, Dec 29 - Tue, Dec 31

Alaska Airlines flights from Helena to Seattle

Our best Alaska Airlines deals on Helena to Seattle flight tickets
Alaska Airlines
Mar 1
HLN4:19 pmHelena
1h 41m
SEA5:00 pmSeattle/Tacoma Intl
Mar 5
SEA1:10 pmSeattle/Tacoma Intl
1h 32m
HLN3:42 pmHelena
Alaska Airlines
Jan 10
HLN4:41 pmHelena
1h 51m
SEA5:32 pmSeattle/Tacoma Intl
Jan 13
SEA1:29 pmSeattle/Tacoma Intl
1h 35m
HLN4:04 pmHelena
Alaska Airlines
Apr 18
HLN4:19 pmHelena
1h 41m
SEA5:00 pmSeattle/Tacoma Intl
Apr 21
SEA1:06 pmSeattle/Tacoma Intl
1h 33m
HLN3:39 pmHelena

United Airlines flights from Helena to Seattle

Our best United Airlines deals on Helena to Seattle flight tickets
United Airlines
Jan 14
HLN2:25 pmHelena
7h 46m
1 stop
SEA9:11 pmSeattle/Tacoma Intl
Jan 21
SEA9:20 amSeattle/Tacoma Intl
27h 21m
2 stops
HLN1:41 pmHelena
United Airlines
Mar 1
HLN6:45 amHelena
19h 10m
2 stops
SEA12:55 amSeattle/Tacoma Intl
Mar 5
SEA5:02 amSeattle/Tacoma Intl
7h 23m
1 stop
HLN1:25 pmHelena
United Airlines
Jan 18
HLN2:25 pmHelena
7h 46m
1 stop
SEA9:11 pmSeattle/Tacoma Intl
Jan 21
SEA5:00 amSeattle/Tacoma Intl
7h 41m
1 stop
HLN1:41 pmHelena

See travel insights to Seattle from

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 to Seattle?

In general, February is the cheapest month to fly from Helena to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $181. If you don’t want to visit Seattle in February, then you should wait until May to fly from Helena, when ticket prices are also cheap, with an average price of $226.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Helena is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $238. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday is the most expensive day to depart from Helena because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $368.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Helena in the morning is the least expensive time of day to depart. momondo users have found prices as low as $246 when looking at flights departing in the morning. Flights to Seattle are more costly at noon, with an average ticket price of $454. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Helena to Seattle/Tacoma Intl flight route?

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

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from Helena when booking 43 days ahead of your departure date. In general, you can expect to find flights to Seattle for around $281 when searching 43 days out. Keep in mind that you might be able to find cheaper flights to Seattle at any time. In fact, our users found flights for as low as $108 in the past 72 hours.

What cabin class options are available on Helena to Seattle/Tacoma Intl flights?

There are 3 cabin classes available to choose from on Helena to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Helena to Seattle flights?

You could potentially save up to 46% on your flight if you consider stops on a Helena to Seattle flight.

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

$329

Fastest flight time

1h 41m

Direct flights

Mon, Tue, Thu, Sat and Sun

Airports in Seattle

1 airport
The best one-way flight to Seattle from Helena in the past 72 hours is $329. The best round-trip flight deal from Helena to Seattle found on momondo in the last 72 hours is $156.
The fastest flight from Helena to Seattle takes 1h 41m
Direct flights go from Helena to Seattle on Monday, Tuesday, Thursday, Saturday and Sunday. The only airline offering direct flights is Alaska Airlines.
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 $148Free CancellationRating
8.0
9,554 reviews
Search Alaska Airlines flights
DeltaPriceFrom $216Free CancellationRating
8.0
8,604 reviews
Search Delta flights
  • Alaska Airlines Flights From Helena to Seattle

    Alaska Airlines flies from Helena to Seattle around 2 times per week, with 9,554 momondo users rating the airline 8.0/10. The cheapest Alaska Airlines deal from Helena to Seattle in the last 72 hours was $148 (round-trip), much lower than the average airfare cost of $249 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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