What airlines fly to United States?

United Airlines, Delta and Allegiant Air are the top three most popular airlines that fly to United States from Helena according to our data. United Airlines is the first choice among our users, with 46% of people opting to fly with this airline when traveling to United States. Keep in mind that there are 7 different airlines that fly to United States on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Helena to United States?

Delta, Alaska Airlines, and United Airlines are the most popular carriers operating from Helena to United States

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

61 flights are operational weekly from Helena to United States as of October 2026. The most popular departure day for this route is Wed, with 18% of flights per week taking off on this day.

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

Prices for flights from Helena Airport to United States refresh daily.

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

There are 3 operators available for flights from Helena Airport to United States as of October 2026.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Helena Airport to United States.

What documentation or ID do you need to fly to United States?

The required travel and health documents for your United States trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at United States. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$134 Cheap Flights from Helena to the United States in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Helena to the United States

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:00 pm - 5:50 pmHLN Helena-SEA Seattle/Tacoma Intl

1h 50mnonstop

1:48 pm - 4:23 pmSEA Seattle/Tacoma Intl-HLN Helena

1h 35mnonstop

$207Alaska Airlines

Wed, Jan 6 - Tue, Jan 12

12:50 pm - 4:53 pmHLN Helena-SEA Seattle/Tacoma Intl

5h 03m1 stop Salt Lake City

5:45 am - 12:24 pmSEA Seattle/Tacoma Intl-HLN Helena

5h 39m1 stop Salt Lake City

$227Delta

Wed, Jan 6 - Tue, Jan 12

5:00 pm - 5:50 pmHLN Helena-SEA Seattle/Tacoma Intl

1h 50mnonstop

1:48 pm - 4:23 pmSEA Seattle/Tacoma Intl-HLN Helena

1h 35mnonstop

$237Alaska Airlines

Fri, Jan 8 - Sun, Jan 10

12:50 pm - 4:53 pmHLN Helena-SEA Seattle/Tacoma Intl

5h 03m1 stop Salt Lake City

5:45 am - 12:24 pmSEA Seattle/Tacoma Intl-HLN Helena

5h 39m1 stop Salt Lake City

$247Delta

Wed, Jan 6 - Tue, Jan 12

12:50 pm - 4:53 pmHLN Helena-SEA Seattle/Tacoma Intl

5h 03m1 stop Salt Lake City

5:45 am - 12:24 pmSEA Seattle/Tacoma Intl-HLN Helena

5h 39m1 stop Salt Lake City

$247Delta

Thu, Feb 18 - Mon, Feb 22

4:41 pm - 5:33 pmHLN Helena-SEA Seattle/Tacoma Intl

1h 52mnonstop

1:28 pm - 4:04 pmSEA Seattle/Tacoma Intl-HLN Helena

1h 36mnonstop

$277Alaska Airlines

Sat, Nov 14 - Sun, Nov 15

4:49 pm - 5:45 pmHLN Helena-SEA Seattle/Tacoma Intl

1h 56mnonstop

1:35 pm - 4:12 pmSEA Seattle/Tacoma Intl-HLN Helena

1h 37mnonstop

$282Alaska Airlines

Wed, Dec 2 - Wed, Dec 9

2:27 pm - 9:15 pmHLN Helena-SLC Salt Lake City

6h 48m1 stop Denver Intl

7:00 am - 1:40 pmSLC Salt Lake City-HLN Helena

6h 40m1 stop Denver Intl

$319United Airlines

Thu, Jan 7 - Sat, Jan 9

2:27 pm - 10:16 pmHLN Helena-SLC Salt Lake City

7h 49m1 stop Denver Intl

2:35 pm - 9:32 pmSLC Salt Lake City-HLN Helena

6h 57m1 stop Denver Intl

$319United Airlines

Thu, Jan 7 - Sat, Jan 9

6:20 am - 8:33 amHLN Helena-DEN Denver Intl

2h 13mnonstop

7:25 pm - 9:37 pmDEN Denver Intl-HLN Helena

2h 12mnonstop

$333United Airlines

Thu, Dec 24 - Mon, Dec 28

Cheap last minute flights

Enter your travel dates to find the best prices.

7:15 am - 5:25 pmHLN Helena-MSP Minneapolis St Paul

9h 10m2 stops Salt Lake City Cincinnati Cinci./N. Kentucky

7:45 am - 12:28 pmMSP Minneapolis St Paul-HLN Helena

5h 43m1 stop Salt Lake City

$449Delta

Wed, Oct 21 - Fri, Oct 30

7:15 am - 1:54 pmHLN Helena-DFW Dallas/Fort Worth

5h 39m1 stop Salt Lake City

8:10 am - 12:28 pmDFW Dallas/Fort Worth-HLN Helena

5h 18m1 stop Salt Lake City

$464Delta

Wed, Oct 21 - Tue, Oct 27

7:15 am - 8:45 amHLN Helena-SLC Salt Lake City

1h 30mnonstop

10:50 am - 12:28 pmSLC Salt Lake City-HLN Helena

1h 38mnonstop

$469Delta

Fri, Oct 16 - Sun, Oct 18

1:08 pm - 2:47 pmHLN Helena-SLC Salt Lake City

1h 39mnonstop

10:50 am - 12:28 pmSLC Salt Lake City-HLN Helena

1h 38mnonstop

$469Delta

Sat, Oct 17 - Sun, Oct 18

6:25 am - 1:22 pmHLN Helena-SLC Salt Lake City

6h 57m1 stop Denver Intl

7:00 am - 1:48 pmSLC Salt Lake City-HLN Helena

6h 48m1 stop Denver Intl

$490United Airlines

Sat, Oct 17 - Sun, Oct 18

2:30 pm - 4:40 pmHLN Helena-DEN Denver Intl

2h 10mnonstop

11:45 am - 1:48 pmDEN Denver Intl-HLN Helena

2h 03mnonstop

$509United Airlines

Sat, Oct 17 - Tue, Oct 20

6:25 am - 8:35 amHLN Helena-DEN Denver Intl

2h 10mnonstop

11:45 am - 1:48 pmDEN Denver Intl-HLN Helena

2h 03mnonstop

$509United Airlines

Sat, Oct 17 - Mon, Oct 19

5:26 pm - 6:18 pmHLN Helena-SEA Seattle/Tacoma Intl

1h 52mnonstop

2:09 pm - 4:44 pmSEA Seattle/Tacoma Intl-HLN Helena

1h 35mnonstop

$537Alaska Airlines

Wed, Oct 21 - Sat, Oct 31

5:26 pm - 6:18 pmHLN Helena-SEA Seattle/Tacoma Intl

1h 52mnonstop

2:09 pm - 4:44 pmSEA Seattle/Tacoma Intl-HLN Helena

1h 35mnonstop

$537Alaska Airlines

Mon, Oct 19 - Sat, Oct 31

5:26 pm - 7:30 amHLN Helena-ATL Atlanta Hartsfield-Jackson

12h 04m1 stop Seattle/Tacoma Intl

9:03 am - 4:49 pmATL Atlanta Hartsfield-Jackson-HLN Helena

9h 46m1 stop Seattle/Tacoma Intl

$755Alaska Airlines

Tue, Oct 20 - Fri, Oct 23

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Delta flights from Helena to United States

Our best Delta deals on Helena to United States flight tickets

Delta

Jan 6

HLN12:50 pmHelena

5h 03m

1 stop

SEA4:53 pmSeattle/Tacoma Intl

Jan 12

SEA5:45 amSeattle/Tacoma Intl

5h 39m

1 stop

HLN12:24 pmHelena

$227

Delta

Jan 6

HLN12:50 pmHelena

5h 03m

1 stop

SEA4:53 pmSeattle/Tacoma Intl

Jan 12

SEA5:45 amSeattle/Tacoma Intl

5h 39m

1 stop

HLN12:24 pmHelena

$247

Delta

Jan 15

HLN12:50 pmHelena

6h 40m

1 stop

SEA6:30 pmSeattle/Tacoma Intl

Jan 18

SEA5:45 amSeattle/Tacoma Intl

5h 39m

1 stop

HLN12:24 pmHelena

$257

United Airlines flights from Helena to United States

Our best United Airlines deals on Helena to United States flight tickets

United Airlines

Jan 7

HLN2:27 pmHelena

6h 48m

1 stop

SLC9:15 pmSalt Lake City

Jan 9

SLC7:00 amSalt Lake City

6h 40m

1 stop

HLN1:40 pmHelena

$319

United Airlines

Nov 13

HLN2:23 pmHelena

7h 56m

1 stop

SEA9:19 pmSeattle/Tacoma Intl

Nov 14

SEA5:05 amSeattle/Tacoma Intl

7h 35m

1 stop

HLN1:40 pmHelena

$332

United Airlines

Dec 24

HLN6:20 amHelena

2h 13m

DEN8:33 amDenver Intl

Dec 28

DEN7:25 pmDenver Intl

2h 12m

HLN9:37 pmHelena

$333

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

HelenaSeattle

HLN Helena - SEA Seattle/Tacoma Intl

HLNSEA

Helena

Wed 1/6

5:00 pm-5:50 pm

Nonstop1h 50m

Seattle/Tacoma Intl

Tue 1/12

1:48 pm-4:23 pm

Nonstop1h 35m

$207

HelenaSeattle

HLN Helena - SEA Seattle/Tacoma Intl

HLNSEA

Helena

Wed 1/6

12:50 pm-4:53 pm

1 stop5h 03m

Seattle/Tacoma Intl

Tue 1/12

5:45 am-12:24 pm

1 stop5h 39m

$227

HelenaSeattle

HLN Helena - SEA Seattle/Tacoma Intl

HLNSEA

Helena

Fri 1/8

5:00 pm-5:50 pm

Nonstop1h 50m

Seattle/Tacoma Intl

Sun 1/10

1:48 pm-4:23 pm

Nonstop1h 35m

$237

HelenaSeattle

HLN Helena - SEA Seattle/Tacoma Intl

HLNSEA

Helena

Wed 1/6

12:50 pm-4:53 pm

1 stop5h 03m

Seattle/Tacoma Intl

Tue 1/12

5:45 am-12:24 pm

1 stop5h 39m

$247

HelenaSeattle

HLN Helena - SEA Seattle/Tacoma Intl

HLNSEA

Helena

Thu 2/18

12:50 pm-4:53 pm

1 stop5h 03m

Seattle/Tacoma Intl

Mon 2/22

5:45 am-12:24 pm

1 stop5h 39m

$247

HelenaSeattle

HLN Helena - SEA Seattle/Tacoma Intl

HLNSEA

Helena

Sat 11/14

4:41 pm-5:33 pm

Nonstop1h 52m

Seattle/Tacoma Intl

Sun 11/15

1:28 pm-4:04 pm

Nonstop1h 36m

$277

HelenaSeattle

HLN Helena - SEA Seattle/Tacoma Intl

HLNSEA

Helena

Wed 12/2

4:49 pm-5:45 pm

Nonstop1h 56m

Seattle/Tacoma Intl

Wed 12/9

1:35 pm-4:12 pm

Nonstop1h 37m

$282

HelenaSalt Lake City

HLN Helena - SLC Salt Lake City

HLNSLC

Helena

Thu 1/7

2:27 pm-9:15 pm

1 stop6h 48m

Salt Lake City

Sat 1/9

7:00 am-1:40 pm

1 stop6h 40m

$319

HelenaSalt Lake City

HLN Helena - SLC Salt Lake City

HLNSLC

Helena

Thu 1/7

2:27 pm-10:16 pm

1 stop7h 49m

Salt Lake City

Sat 1/9

2:35 pm-9:32 pm

1 stop6h 57m

$319

HelenaDenver

HLN Helena - DEN Denver Intl

HLNDEN

Helena

Thu 12/24

6:20 am-8:33 am

Nonstop2h 13m

Denver Intl

Mon 12/28

7:25 pm-9:37 pm

Nonstop2h 12m

$333

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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

Prices

Airlines

Other information

What is the cheapest month to fly to United States?

In general, April is the cheapest month to fly from Helena to United States. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $359. If you aren’t able to travel during the month of April, then book flights to United States from Helena during January instead. Flights to United States in January, while not as cheap as those in April, still average around $375.

Can stopping save me money on Helena to United States flights?

You could potentially save up to 40% on your flight if you consider stops on a Helena to United States flight.

Cheap Helena to United States flight deals and tips

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

Best Price Found	$134
Fastest flight time	1h 30m
Direct flights	Every day
Airports in United States	4,301 airports

The best one-way flight to United States from Helena in the past 72 hours is $134. The best round-trip flight deal from Helena to United States found on momondo in the last 72 hours is $207.

The fastest flight from Helena to United States takes 1h 30m

Direct flights go from Helena to United States every day.

There are 4,301 airports in United States. From Helena there are direct flights to Salt Lake City (SLC), Denver Intl (DEN), Seattle/Tacoma Intl (SEA).

Search flight deals

Frequently asked questions about flying from Helena to the United States

When did momondo last update prices for flights from Helena Airport to United States?
Prices for flights from Helena Airport to United States refresh daily.
How many operators does momondo search for flights from Helena Airport to United States?
There are 3 operators available for flights from Helena Airport to United States as of October 2026.
How old do you have to be to fly from Helena Airport to United States?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Helena Airport to United States.
What documentation or ID do you need to fly to United States?
The required travel and health documents for your United States trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at United States. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Helena to United States?
momondo data reveals that the most frequently booked plane model on the route from Helena to United States is Embraer 175 (Enhanced Winglets), representing 41.18% of all bookings. The subsequent popular models are Embraer 175 at 16.91%, Airbus A319 at 8.09%, and Boeing 737-800 at 5.15%.

Best airlines flying from Helena to United States

Compare and see reviews for airlines that fly from Helena to United States with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $219	Free Cancellation	Rating 7.4 10,366 reviews		Search United Airlines flights
Delta	PriceFrom $234	Free Cancellation	Rating 7.8 8,655 reviews		Search Delta flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Helena to United States. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Helena to United States flights to just show those with flexible booking policies.

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

Once all potential Helena to United States flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for Helena to United States 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.