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Cheap flights from the United States to Helena from $109

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 4/8. 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
0 bags

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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
1:21 pm - 3:59 pm
SEA
-
HLN
1h 38mnonstop
Alaska Airlines Logo
4:36 pm - 5:26 pm
HLN
-
SEA
1h 50mnonstop
$137Alaska Airlines
Sat, Mar 7 - Sat, Mar 14
Alaska Airlines Logo
1:21 pm - 3:59 pm
SEA
-
HLN
1h 38mnonstop
Alaska Airlines Logo
4:36 pm - 5:26 pm
HLN
-
SEA
1h 50mnonstop
$147Alaska Airlines
Thu, Mar 5 - Sat, Mar 7
Alaska Airlines Logo
3:09 pm - 5:45 pm
SEA
-
HLN
1h 36mnonstop
Alaska Airlines Logo
6:22 pm - 7:11 pm
HLN
-
SEA
1h 49mnonstop
$187Alaska Airlines
Tue, Apr 7 - Fri, Apr 10
United Airlines Logo
11:30 am - 1:38 pm
DEN
-
HLN
2h 08mnonstop
United Airlines Logo
2:30 pm - 4:38 pm
HLN
-
DEN
2h 08mnonstop
$209United Airlines
Wed, Mar 18 - Sat, Mar 21
United Airlines Logo
11:36 am - 1:39 pm
DEN
-
HLN
2h 03mnonstop
United Airlines Logo
6:15 am - 8:24 am
HLN
-
DEN
2h 09mnonstop
$220United Airlines
Thu, Apr 2 - Tue, Apr 7
Delta Logo
6:25 pm - 10:34 pm
DEN
-
HLN
4h 09m
1 stop
Delta Logo
5:45 am - 9:37 am
HLN
-
DEN
3h 52m
1 stop
$239Delta
Sat, Aug 1 - Sat, Aug 8
Delta Logo
6:25 pm - 10:34 pm
DEN
-
HLN
4h 09m
1 stop
Delta Logo
5:45 am - 9:37 am
HLN
-
DEN
3h 52m
1 stop
$249Delta
Fri, Jul 3 - Tue, Jul 7
Delta Logo
5:50 am - 12:20 pm
LAX
-
HLN
5h 30m
1 stop
Delta Logo
1:00 pm - 6:19 pm
HLN
-
LAX
6h 19m
1 stop
$266Delta
Sat, May 9 - Fri, May 15
United Airlines Logo
8:52 am - 1:39 pm
MSP
-
HLN
5h 47m
1 stop
United Airlines Logo
6:15 am - 12:35 pm
HLN
-
MSP
5h 20m
1 stop
$279United Airlines
Fri, Apr 17 - Tue, Apr 21
United Airlines Logo
11:30 am - 1:38 pm
DEN
-
HLN
2h 08mnonstop
United Airlines Logo
2:25 pm - 4:34 pm
HLN
-
DEN
2h 09mnonstop
$279United Airlines
Wed, Mar 25 - Sun, Mar 29

Alaska Airlines flights from United States to Helena

Our best Alaska Airlines deals on United States to Helena flight tickets
Alaska Airlines
Mar 7
SEA1:21 pmSeattle/Tacoma Intl
1h 38m
HLN3:59 pmHelena
Mar 14
HLN4:36 pmHelena
1h 50m
SEA5:26 pmSeattle/Tacoma Intl
$137
Alaska Airlines
Mar 5
SEA1:21 pmSeattle/Tacoma Intl
1h 38m
HLN3:59 pmHelena
Mar 7
HLN4:36 pmHelena
1h 50m
SEA5:26 pmSeattle/Tacoma Intl
$147
Alaska Airlines
Mar 12
SEA1:21 pmSeattle/Tacoma Intl
1h 38m
HLN3:59 pmHelena
Mar 19
HLN6:22 pmHelena
1h 49m
SEA7:11 pmSeattle/Tacoma Intl
$157

Delta flights from United States to Helena

Our best Delta deals on United States to Helena flight tickets
Delta
Mar 6
SEA5:30 amSeattle/Tacoma Intl
5h 55m
1 stop
HLN12:25 pmHelena
Mar 10
HLN1:02 pmHelena
4h 39m
1 stop
SEA4:41 pmSeattle/Tacoma Intl
$177
Delta
Mar 12
SEA5:30 amSeattle/Tacoma Intl
5h 51m
1 stop
HLN12:21 pmHelena
Mar 19
HLN1:02 pmHelena
4h 45m
1 stop
SEA4:47 pmSeattle/Tacoma Intl
$187
Delta
Mar 7
SEA5:30 amSeattle/Tacoma Intl
5h 55m
1 stop
HLN12:25 pmHelena
Mar 10
HLN1:02 pmHelena
4h 39m
1 stop
SEA4:41 pmSeattle/Tacoma Intl
$232

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 February 12, 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

SeattleHelena

SEA - HLN

SEAHLN

Seattle/Tacoma Intl

Sat 3/7

1:21 pm-3:59 pm

Nonstop1h 38m

Helena

Sat 3/14

4:36 pm-5:26 pm

Nonstop1h 50m

$137

SeattleHelena

SEA - HLN

SEAHLN

Seattle/Tacoma Intl

Thu 3/5

1:21 pm-3:59 pm

Nonstop1h 38m

Helena

Sat 3/7

4:36 pm-5:26 pm

Nonstop1h 50m

$147

SeattleHelena

SEA - HLN

SEAHLN

Seattle/Tacoma Intl

Tue 4/7

3:09 pm-5:45 pm

Nonstop1h 36m

Helena

Fri 4/10

6:22 pm-7:11 pm

Nonstop1h 49m

$187

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Wed 3/18

11:30 am-1:38 pm

Nonstop2h 08m

Helena

Sat 3/21

2:30 pm-4:38 pm

Nonstop2h 08m

$209

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Thu 4/2

11:36 am-1:39 pm

Nonstop2h 03m

Helena

Tue 4/7

6:15 am-8:24 am

Nonstop2h 09m

$220

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Sat 8/1

6:25 pm-10:34 pm

1 stop4h 09m

Helena

Sat 8/8

5:45 am-9:37 am

1 stop3h 52m

$239

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Fri 7/3

6:25 pm-10:34 pm

1 stop4h 09m

Helena

Tue 7/7

5:45 am-9:37 am

1 stop3h 52m

$249

Los AngelesHelena

LAX - HLN

LAXHLN

Los Angeles

Sat 5/9

5:50 am-12:20 pm

1 stop5h 30m

Helena

Fri 5/15

1:00 pm-6:19 pm

1 stop6h 19m

$266

MinneapolisHelena

MSP - HLN

MSPHLN

Minneapolis St Paul

Fri 4/17

8:52 am-1:39 pm

1 stop5h 47m

Helena

Tue 4/21

6:15 am-12:35 pm

1 stop5h 20m

$279

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Wed 3/25

11:30 am-1:38 pm

Nonstop2h 08m

Helena

Sun 3/29

2:25 pm-4:34 pm

Nonstop2h 09m

$279

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 United States to Helena flight route?

Fly from Denver 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 45% 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

$131

Fastest flight time

1h 36m

Direct flights

Every day

Airports in Helena

1 airport
The best flight deal from United States to Helena found on momondo in the last 72 hours is $131
The fastest flight from United States to Helena takes 1h 36m
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

  • 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
DeltaPriceFrom $159Free CancellationRating
7.9
8,183 reviews
Search Delta flights
United AirlinesPriceFrom $209Free CancellationRating
7.4
9,281 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $292Free CancellationRating
8.0
11,879 reviews
Search Alaska 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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