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

Prices for flights from Helena Airport to Idaho refresh daily.

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

As of October 2026, there is 1 operator available to choose from for flights from Helena Airport to Idaho.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Helena Airport to Idaho.

What documentation or ID do you need to fly to Idaho?

The necessary travel and health documents for your Idaho trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$230 Cheap Flights from Helena to Idaho in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Helena to Idaho

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:41 pm - 10:20 pmHLN Helena-BOI Boise Air Term. Gowen Fld

5h 39m1 stop Seattle/Tacoma Intl

1:53 pm - 4:04 pmBOI Boise Air Term. Gowen Fld-HLN Helena

26h 11m1 stop Seattle/Tacoma Intl

$414Alaska Airlines

Mon, Nov 9 - Mon, Nov 16

4:41 pm - 10:20 pmHLN Helena-BOI Boise Air Term. Gowen Fld

5h 39m1 stop Seattle/Tacoma Intl

6:43 pm - 4:04 pmBOI Boise Air Term. Gowen Fld-HLN Helena

21h 21m2 stops San Diego Seattle/Tacoma Intl

$457Alaska Airlines

Mon, Nov 9 - Mon, Nov 16

4:41 pm - 7:53 pmHLN Helena-BOI Boise Air Term. Gowen Fld

27h 12m2 stops Seattle/Tacoma Intl San Diego

6:43 pm - 4:04 pmBOI Boise Air Term. Gowen Fld-HLN Helena

21h 21m2 stops San Diego Seattle/Tacoma Intl

$504Alaska Airlines

Mon, Nov 9 - Mon, Nov 16

4:53 pm - 11:59 pmHLN Helena-BOI Boise Air Term. Gowen Fld

7h 06m1 stop Seattle/Tacoma Intl

11:42 am - 4:12 pmBOI Boise Air Term. Gowen Fld-HLN Helena

4h 30m1 stop Seattle/Tacoma Intl

$582Alaska Airlines

Wed, Nov 25 - Wed, Dec 9

1:08 pm - 5:59 pmHLN Helena-BOI Boise Air Term. Gowen Fld

4h 51m1 stop Salt Lake City

6:00 am - 12:28 pmBOI Boise Air Term. Gowen Fld-HLN Helena

6h 28m1 stop Salt Lake City

$605Delta

Tue, Oct 27 - Sat, Oct 31

5:26 pm - 10:06 pmHLN Helena-BOI Boise Air Term. Gowen Fld

4h 40m1 stop Seattle/Tacoma Intl

12:58 pm - 4:49 pmBOI Boise Air Term. Gowen Fld-HLN Helena

3h 51m1 stop Seattle/Tacoma Intl

$605Alaska Airlines

Sat, Oct 24 - Sun, Oct 25

1:08 pm - 5:59 pmHLN Helena-BOI Boise Air Term. Gowen Fld

4h 51m1 stop Salt Lake City

6:00 am - 12:28 pmBOI Boise Air Term. Gowen Fld-HLN Helena

6h 28m1 stop Salt Lake City

$625Delta

Tue, Oct 27 - Sat, Oct 31

4:53 pm - 11:53 pmHLN Helena-BOI Boise Air Term. Gowen Fld

7h 00m2 stops Seattle/Tacoma Intl Portland

11:42 am - 4:12 pmBOI Boise Air Term. Gowen Fld-HLN Helena

4h 30m1 stop Seattle/Tacoma Intl

$663Alaska Airlines

Wed, Nov 25 - Wed, Dec 9

2:23 pm - 9:32 pmHLN Helena-BOI Boise Air Term. Gowen Fld

7h 09m1 stop Denver Intl

2:51 pm - 9:31 pmBOI Boise Air Term. Gowen Fld-HLN Helena

6h 40m1 stop Denver Intl

$695United Airlines

Mon, Oct 26 - Fri, Oct 30

5:26 pm - 10:06 pmHLN Helena-BOI Boise Air Term. Gowen Fld

4h 40m1 stop Seattle/Tacoma Intl

7:30 am - 4:49 pmBOI Boise Air Term. Gowen Fld-HLN Helena

9h 19m2 stops Spokane Seattle/Tacoma Intl

$764Alaska Airlines

Sat, Oct 24 - Sun, Oct 25

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Alaska Airlines flights from Helena to Idaho

Our best Alaska Airlines deals on Helena to Idaho flight tickets

Alaska Airlines

Nov 9

HLN4:41 pmHelena

5h 39m

1 stop

BOI10:20 pmBoise Air Term. Gowen Fld

Nov 16

BOI1:53 pmBoise Air Term. Gowen Fld

26h 11m

1 stop

HLN4:04 pmHelena

$414

Alaska Airlines

Nov 9

HLN4:41 pmHelena

5h 39m

1 stop

BOI10:20 pmBoise Air Term. Gowen Fld

Nov 16

BOI6:43 pmBoise Air Term. Gowen Fld

21h 21m

2 stops

HLN4:04 pmHelena

$457

Alaska Airlines

Nov 9

HLN4:41 pmHelena

27h 12m

2 stops

BOI7:53 pmBoise Air Term. Gowen Fld

Nov 16

BOI6:43 pmBoise Air Term. Gowen Fld

21h 21m

2 stops

HLN4:04 pmHelena

$504

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HelenaBoise

HLN Helena - BOI Boise Air Term. Gowen Fld

HLNBOI

Helena

Mon 11/9

4:41 pm-10:20 pm

1 stop5h 39m

Boise Air Term. Gowen Fld

Mon 11/16

1:53 pm-4:04 pm

1 stop26h 11m

$414

HelenaBoise

HLN Helena - BOI Boise Air Term. Gowen Fld

HLNBOI

Helena

Mon 11/9

4:41 pm-10:20 pm

1 stop5h 39m

Boise Air Term. Gowen Fld

Mon 11/16

6:43 pm-4:04 pm

2 stops21h 21m

$457

HelenaBoise

HLN Helena - BOI Boise Air Term. Gowen Fld

HLNBOI

Helena

Mon 11/9

4:41 pm-7:53 pm

2 stops27h 12m

Boise Air Term. Gowen Fld

Mon 11/16

6:43 pm-4:04 pm

2 stops21h 21m

$504

HelenaBoise

HLN Helena - BOI Boise Air Term. Gowen Fld

HLNBOI

Helena

Wed 11/25

4:53 pm-11:59 pm

1 stop7h 06m

Boise Air Term. Gowen Fld

Wed 12/9

11:42 am-4:12 pm

1 stop4h 30m

$582

HelenaBoise

HLN Helena - BOI Boise Air Term. Gowen Fld

HLNBOI

Helena

Tue 10/27

1:08 pm-5:59 pm

1 stop4h 51m

Boise Air Term. Gowen Fld

Sat 10/31

6:00 am-12:28 pm

1 stop6h 28m

$605

Quickest round-trip

HelenaBoise

HLN Helena - BOI Boise Air Term. Gowen Fld

HLNBOI

Helena

Sat 10/24

5:26 pm-10:06 pm

1 stop4h 40m

Boise Air Term. Gowen Fld

Sun 10/25

12:58 pm-4:49 pm

1 stop3h 51m

$605

HelenaBoise

HLN Helena - BOI Boise Air Term. Gowen Fld

HLNBOI

Helena

Tue 10/27

1:08 pm-5:59 pm

1 stop4h 51m

Boise Air Term. Gowen Fld

Sat 10/31

6:00 am-12:28 pm

1 stop6h 28m

$625

HelenaBoise

HLN Helena - BOI Boise Air Term. Gowen Fld

HLNBOI

Helena

Wed 11/25

4:53 pm-11:53 pm

2 stops7h 00m

Boise Air Term. Gowen Fld

Wed 12/9

11:42 am-4:12 pm

1 stop4h 30m

$663

HelenaBoise

HLN Helena - BOI Boise Air Term. Gowen Fld

HLNBOI

Helena

Mon 10/26

2:23 pm-9:32 pm

1 stop7h 09m

Boise Air Term. Gowen Fld

Fri 10/30

2:51 pm-9:31 pm

1 stop6h 40m

$695

HelenaBoise

HLN Helena - BOI Boise Air Term. Gowen Fld

HLNBOI

Helena

Sat 10/24

5:26 pm-10:06 pm

1 stop4h 40m

Boise Air Term. Gowen Fld

Sun 10/25

7:30 am-4:49 pm

2 stops9h 19m

$764

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 Idaho

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 airline that flies from Helena to Idaho?

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

What airlines fly to Idaho?

Alaska Airlines, Delta and Southwest are the top three most popular airlines that fly to Idaho from Helena according to our data. Alaska Airlines is the first choice among our users, with 58% of people opting to fly with this airline when traveling to Idaho. Keep in mind that there are 3 different airlines that fly to Idaho on a routine basis, so you have a few additional options to choose from.

Cheap Helena to Idaho flight deals and tips

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

Best Price Found	$230
Fastest flight time	4h 51m
Direct flights	None

The best one-way flight to Idaho from Helena in the past 72 hours is $230. The best round-trip flight deal from Helena to Idaho found on momondo in the last 72 hours is $414.

The fastest flight from Helena to Idaho takes 4h 51m

There are no direct flights from Helena to Idaho. There are no popular flight routes from Helena to Idaho.

Search flight deals

Frequently asked questions about flying from Helena to Idaho

When did momondo last update prices for flights from Helena Airport to Idaho?
Prices for flights from Helena Airport to Idaho refresh daily.
How many operators does momondo search for flights from Helena Airport to Idaho?
As of October 2026, there is 1 operator available to choose from for flights from Helena Airport to Idaho.
How old do you have to be to fly from Helena Airport to Idaho?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Helena Airport to Idaho.
What documentation or ID do you need to fly to Idaho?
The necessary travel and health documents for your Idaho trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Helena to Idaho

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $280	Free Cancellation	Rating 7.8 8,650 reviews		Search Delta flights

Why use momondo?

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

Finding the right flight to Idaho from Helena is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Idaho quick and easy, saving you time and money.

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Idaho from Helena.

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

Of course. momondo tracks the price of Helena to Idaho flights. All you need is a valid email address and we will do the rest; it is that quick and easy.