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Cheap flights from the United States to Helena from $129

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to Helena departing on 9/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from the United States to Helena

Recent round-trip flight deals from the United States to Helena

Enter your travel dates to find the best prices.
Alaska Airlines Logo
2:05 pm - 4:41 pm
SEA
-
HLN
1h 36mnonstop
Alaska Airlines Logo
5:18 pm - 6:14 pm
HLN
-
SEA
1h 56mnonstop
$197Alaska Airlines
Sat, Sep 26 - Wed, Sep 30
Alaska Airlines Logo
1:58 pm - 4:34 pm
SEA
-
HLN
1h 36mnonstop
Alaska Airlines Logo
5:11 pm - 6:08 pm
HLN
-
SEA
1h 57mnonstop
$207Alaska Airlines
Wed, Sep 2 - Sun, Sep 6
Alaska Airlines Logo
1:36 pm - 4:11 pm
SEA
-
HLN
1h 35mnonstop
Alaska Airlines Logo
4:48 pm - 5:41 pm
HLN
-
SEA
1h 53mnonstop
$217Alaska Airlines
Thu, Oct 22 - Sun, Oct 25
Delta Logo
5:45 am - 12:17 pm
SEA
-
HLN
5h 32m
1 stop
Delta Logo
1:03 pm - 6:52 pm
HLN
-
SEA
6h 49m
1 stop
$222Delta
Tue, Sep 29 - Fri, Oct 9
Delta Logo
5:35 am - 12:23 pm
SEA
-
HLN
5h 48m
1 stop
Delta Logo
7:15 am - 1:00 pm
HLN
-
SEA
6h 45m
1 stop
$237Delta
Thu, Oct 22 - Sun, Oct 25
Delta Logo
5:45 am - 12:17 pm
SEA
-
HLN
5h 32m
1 stop
Delta Logo
1:03 pm - 4:52 pm
HLN
-
SEA
4h 49m
1 stop
$242Delta
Tue, Sep 29 - Sat, Oct 10
United Airlines Logo
7:18 pm - 9:18 pm
DEN
-
HLN
2h 00mnonstop
United Airlines Logo
6:25 am - 8:35 am
HLN
-
DEN
2h 10mnonstop
$269United Airlines
Wed, Oct 14 - Thu, Oct 22
United Airlines Logo
7:30 pm - 9:30 pm
DEN
-
HLN
2h 00mnonstop
United Airlines Logo
2:35 pm - 4:45 pm
HLN
-
DEN
2h 10mnonstop
$278United Airlines
Fri, Aug 14 - Fri, Aug 21
United Airlines Logo
7:30 pm - 9:30 pm
DEN
-
HLN
2h 00mnonstop
United Airlines Logo
2:35 pm - 4:45 pm
HLN
-
DEN
2h 10mnonstop
$284United Airlines
Wed, Aug 12 - Fri, Aug 21
United Airlines Logo
7:18 pm - 9:20 pm
DEN
-
HLN
2h 02mnonstop
United Airlines Logo
6:15 am - 8:13 am
HLN
-
DEN
1h 58mnonstop
$302United Airlines
Sat, Jul 25 - Sun, Jul 26

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Delta flights from United States to Helena

Our best Delta deals on United States to Helena flight tickets
Delta
Sep 29
SEA5:45 amSeattle/Tacoma Intl
5h 32m
1 stop
HLN12:17 pmHelena
Oct 9
HLN1:03 pmHelena
6h 49m
1 stop
SEA6:52 pmSeattle/Tacoma Intl
$222
Delta
Oct 22
SEA5:35 amSeattle/Tacoma Intl
5h 48m
1 stop
HLN12:23 pmHelena
Oct 25
HLN7:15 amHelena
6h 45m
1 stop
SEA1:00 pmSeattle/Tacoma Intl
$237
Delta
Sep 29
SEA5:45 amSeattle/Tacoma Intl
5h 32m
1 stop
HLN12:17 pmHelena
Oct 10
HLN1:03 pmHelena
4h 49m
1 stop
SEA4:52 pmSeattle/Tacoma Intl
$242

Alaska Airlines flights from United States to Helena

Our best Alaska Airlines deals on United States to Helena flight tickets
Alaska Airlines
Sep 26
SEA2:05 pmSeattle/Tacoma Intl
1h 36m
HLN4:41 pmHelena
Sep 30
HLN5:18 pmHelena
1h 56m
SEA6:14 pmSeattle/Tacoma Intl
$197
Alaska Airlines
Sep 2
SEA1:58 pmSeattle/Tacoma Intl
1h 36m
HLN4:34 pmHelena
Sep 6
HLN5:11 pmHelena
1h 57m
SEA6:08 pmSeattle/Tacoma Intl
$207
Alaska Airlines
Oct 22
SEA1:36 pmSeattle/Tacoma Intl
1h 35m
HLN4:11 pmHelena
Oct 25
HLN4:48 pmHelena
1h 53m
SEA5:41 pmSeattle/Tacoma Intl
$217

momondo Fare Finder

 
Customize your flight search to find flights from United States to Helena 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, momondo users made 832,500 searches. Data last updated July 2, 2026.
Use the filters below to find and compare flights from the United States to Helena that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleHelena

SEA - HLN

SEAHLN

Seattle/Tacoma Intl

Sat 9/26

2:05 pm-4:41 pm

Nonstop1h 36m

Helena

Wed 9/30

5:18 pm-6:14 pm

Nonstop1h 56m

$197

SeattleHelena

SEA - HLN

SEAHLN

Seattle/Tacoma Intl

Wed 9/2

1:58 pm-4:34 pm

Nonstop1h 36m

Helena

Sun 9/6

5:11 pm-6:08 pm

Nonstop1h 57m

$207
Quickest round-trip

SeattleHelena

SEA - HLN

SEAHLN

Seattle/Tacoma Intl

Thu 10/22

1:36 pm-4:11 pm

Nonstop1h 35m

Helena

Sun 10/25

4:48 pm-5:41 pm

Nonstop1h 53m

$217

SeattleHelena

SEA - HLN

SEAHLN

Seattle/Tacoma Intl

Tue 9/29

5:45 am-12:17 pm

1 stop5h 32m

Helena

Fri 10/9

1:03 pm-6:52 pm

1 stop6h 49m

$222

SeattleHelena

SEA - HLN

SEAHLN

Seattle/Tacoma Intl

Thu 10/22

5:35 am-12:23 pm

1 stop5h 48m

Helena

Sun 10/25

7:15 am-1:00 pm

1 stop6h 45m

$237

SeattleHelena

SEA - HLN

SEAHLN

Seattle/Tacoma Intl

Tue 9/29

5:45 am-12:17 pm

1 stop5h 32m

Helena

Sat 10/10

1:03 pm-4:52 pm

1 stop4h 49m

$242

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Wed 10/14

7:18 pm-9:18 pm

Nonstop2h 00m

Helena

Thu 10/22

6:25 am-8:35 am

Nonstop2h 10m

$269

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Fri 8/14

7:30 pm-9:30 pm

Nonstop2h 00m

Helena

Fri 8/21

2:35 pm-4:45 pm

Nonstop2h 10m

$278

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Wed 8/12

7:30 pm-9:30 pm

Nonstop2h 00m

Helena

Fri 8/21

2:35 pm-4:45 pm

Nonstop2h 10m

$284

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Sat 7/25

7:18 pm-9:20 pm

Nonstop2h 02m

Helena

Sun 7/26

6:15 am-8:13 am

Nonstop1h 58m

$302

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Helena from

How to get the cheapest flight ticket from United States to Helena

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 Helena?

If you aren’t able to travel to Helena during the month of January, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $137.

What is the cheapest United States to Helena flight route?

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

What cabin class options are available on United States to Helena flights?

There is only 1 cabin class available to choose from on United States to Helena 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 United States to Helena flights?

You could potentially save up to 26% on your flight if you consider stops on a United States to Helena flight.

Cheap United States to Helena flight deals and tips

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

Best Price Found

$211

Fastest flight time

1h 25m

Direct flights

Every day

Airports in Helena

1 airport
The best one-way flight to Helena from United States in the past 72 hours is $211. The best round-trip flight deal from United States to Helena found on momondo in the last 72 hours is $269.
The fastest flight from United States to Helena takes 1h 25m
Direct flights go from United States to Helena every day.
There is 1 airport in Helena. From United States there are direct flights to Helena (HLN).
Search flight deals

Frequently asked questions about flying from the United States to Helena

  • When did momondo last update prices for flights from United States to Helena Airport?

    Prices for flights from United States to Helena Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from United States to Helena Airport?

  • How old do you have to be to fly from United States to Helena 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 United States to Helena Airport.

  • What documentation or ID do you need to fly to Helena Airport?

    The travel and health documents required for your trip to Helena Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Helena Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Best airlines flying from United States to Helena

Compare and see reviews for airlines that fly from United States to Helena with momondo
Airline
Rating
Free Cancellation
Price
Alaska AirlinesPriceFrom $137Free CancellationRating
7.9
12,603 reviews
Search Alaska Airlines flights
DeltaPriceFrom $159Free CancellationRating
7.8
8,452 reviews
Search Delta flights
United AirlinesPriceFrom $242Free CancellationRating
7.4
9,920 reviews
Search United Airlines flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Helena from United States.

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

Yes. momondo enables you to select and highlight flights to Helena from United States with this policy.

How can momondo help me find flights from United States to Helena?

momondo helps you find the best flight between United States and Helena 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 United States to Helena right now. Can momondo alert me if prices change?

Yes. momondo can track prices for United States to Helena flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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