What airlines fly to Idaho?

Delta, Alaska Airlines and Southwest are the top three most popular airlines that fly to Idaho from Helena according to our data. Delta is the first choice among our users, with 47% 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.

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 September 2025, 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.

$274 Cheap Flights from Helena to Idaho in 2025/26

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Find the cheapest flights from Helena to Idaho

Round-trip

Cheap round-trip flights

12:50 pm - 10:05 pmHLN-BOI

9h 15m2 stops

10:38 am - 10:38 pmBOI-HLN

12h 00m2 stops

$274Delta

Find Deal

Sat, Feb 28 - Tue, Mar 3

5:35 am - 12:18 pmHLN-BOI

6h 43m1 stop

10:38 am - 10:38 pmBOI-HLN

12h 00m2 stops

$279Delta

Find Deal

Sat, Feb 28 - Tue, Mar 3

5:35 am - 10:24 amHLN-BOI

4h 49m1 stop

5:45 pm - 10:38 pmBOI-HLN

4h 53m1 stop

$285Delta

Find Deal

Sat, Feb 28 - Tue, Mar 3

12:50 pm - 9:03 pmHLN-GEG

9h 13m2 stops

6:10 am - 10:38 pmGEG-HLN

15h 28m2 stops

$294Delta

Find Deal

Sat, Feb 28 - Tue, Mar 3

4:10 pm - 8:59 pmHLN-GEG

5h 49m1 stop

5:45 pm - 3:43 pmGEG-HLN

20h 58m1 stop

$312Alaska Airlines

Find Deal

Sat, Feb 28 - Tue, Mar 3

4:10 pm - 8:59 pmHLN-GEG

5h 49m1 stop

8:30 am - 3:43 pmGEG-HLN

6h 13m1 stop

$330Hawaiian Airlines

Find Deal

Sat, Feb 28 - Tue, Mar 3

4:10 pm - 12:14 amHLN-GEG

9h 04m1 stop

8:10 pm - 3:43 pmGEG-HLN

18h 33m2 stops

$361Alaska Airlines

Find Deal

Sat, Feb 28 - Tue, Mar 3

6:18 pm - 8:20 amHLN-GEG

15h 02m1 stop

7:30 am - 5:41 pmGEG-HLN

9h 11m1 stop

$372Alaska Airlines

Find Deal

Fri, Oct 10 - Sun, Oct 12

2:44 pm - 9:24 pmHLN-BOI

6h 40m1 stop

7:00 am - 2:09 pmBOI-HLN

7h 09m1 stop

$657United Airlines

Find Deal

Sun, Sep 28 - Thu, Oct 2

5:18 pm - 1:43 pmHLN-BOI

20h 25m2 stops

2:12 pm - 2:07 pmBOI-HLN

23h 55m2 stops

$736United Airlines

Find Deal

Mon, Sep 29 - Fri, Oct 3

United Airlines flights from Helena to Idaho

Our best United Airlines deals on Helena to Idaho flight tickets

United Airlines

Sep 28

HLN2:44 pmHelena

6h 40m

1 stop

BOI9:24 pmBoise Air Term. Gowen Fld

Oct 2

BOI7:00 amBoise Air Term. Gowen Fld

7h 09m

1 stop

HLN2:09 pmHelena

$657

Find similar

United Airlines

Sep 29

HLN5:18 pmHelena

20h 25m

2 stops

BOI1:43 pmBoise Air Term. Gowen Fld

Oct 3

BOI2:12 pmBoise Air Term. Gowen Fld

23h 55m

2 stops

HLN2:07 pmHelena

$736

Find similar

United Airlines

Sep 28

HLN5:18 pmHelena

20h 12m

2 stops

BOI1:30 pmBoise Air Term. Gowen Fld

Oct 2

BOI7:00 amBoise Air Term. Gowen Fld

7h 09m

1 stop

HLN2:09 pmHelena

$845

Find similar

Delta flights from Helena to Idaho

Our best Delta deals on Helena to Idaho flight tickets

Delta

Feb 28

HLN12:50 pmHelena

9h 15m

2 stops

BOI10:05 pmBoise Air Term. Gowen Fld

Mar 3

BOI10:38 amBoise Air Term. Gowen Fld

12h 00m

2 stops

HLN10:38 pmHelena

$274

Find similar

Delta

Feb 28

HLN5:35 amHelena

6h 43m

1 stop

BOI12:18 pmBoise Air Term. Gowen Fld

Mar 3

BOI10:38 amBoise Air Term. Gowen Fld

12h 00m

2 stops

HLN10:38 pmHelena

$279

Find similar

Delta

Feb 28

HLN5:35 amHelena

4h 49m

1 stop

BOI10:24 amBoise Air Term. Gowen Fld

Mar 3

BOI5:45 pmBoise Air Term. Gowen Fld

4h 53m

1 stop

HLN10:38 pmHelena

$285

Find similar

Fly from

Fly to

Route

Depart

Return

Price

HelenaBoise

HLN - BOI

HLNBOI

Helena

Sat 2/28

12:50 pm-10:05 pm

2 stops9h 15m

Boise Air Term. Gowen Fld

Tue 3/3

10:38 am-10:38 pm

2 stops12h 00m

$274

HelenaBoise

HLN - BOI

HLNBOI

Helena

Sat 2/28

5:35 am-12:18 pm

1 stop6h 43m

Boise Air Term. Gowen Fld

Tue 3/3

10:38 am-10:38 pm

2 stops12h 00m

$279

HelenaBoise

HLN - BOI

HLNBOI

Helena

Sat 2/28

5:35 am-10:24 am

1 stop4h 49m

Boise Air Term. Gowen Fld

Tue 3/3

5:45 pm-10:38 pm

1 stop4h 53m

$285

HelenaSpokane

HLN - GEG

HLNGEG

Helena

Sat 2/28

12:50 pm-9:03 pm

2 stops9h 13m

Spokane

Tue 3/3

6:10 am-10:38 pm

2 stops15h 28m

$294

HelenaSpokane

HLN - GEG

HLNGEG

Helena

Sat 2/28

4:10 pm-8:59 pm

1 stop5h 49m

Spokane

Tue 3/3

5:45 pm-3:43 pm

1 stop20h 58m

$312

HelenaSpokane

HLN - GEG

HLNGEG

Helena

Sat 2/28

4:10 pm-8:59 pm

1 stop5h 49m

Spokane

Tue 3/3

8:30 am-3:43 pm

1 stop6h 13m

$330

HelenaSpokane

HLN - GEG

HLNGEG

Helena

Sat 2/28

4:10 pm-12:14 am

1 stop9h 04m

Spokane

Tue 3/3

8:10 pm-3:43 pm

2 stops18h 33m

$361

HelenaSpokane

HLN - GEG

HLNGEG

Helena

Fri 10/10

6:18 pm-8:20 am

1 stop15h 02m

Spokane

Sun 10/12

7:30 am-5:41 pm

1 stop9h 11m

$372

HelenaBoise

HLN - BOI

HLNBOI

Helena

Sun 9/28

2:44 pm-9:24 pm

1 stop6h 40m

Boise Air Term. Gowen Fld

Thu 10/2

7:00 am-2:09 pm

1 stop7h 09m

$657

HelenaBoise

HLN - BOI

HLNBOI

Helena

Mon 9/29

5:18 pm-1:43 pm

2 stops20h 25m

Boise Air Term. Gowen Fld

Fri 10/3

2:12 pm-2:07 pm

2 stops23h 55m

$736

Flights are sorted by cheapest round-trip flights first.

Sorted 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

Prices

Airlines

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

Our data shows that Tuesday is the least expensive day to fly to Idaho. Tickets to fly out on this day can be as low as $340. On the other hand, Friday 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 $507.

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

According to our data, the cheapest time of day to fly to Idaho is in the morning. momondo users have found flights departing from Helena to Idaho in the morning for as low as $457. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. At noon is when there is more demand to fly to Idaho, so prices are often more expensive at around $515 per ticket.

Cheap Helena to Idaho flight deals and tips

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

Direct flights	None

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

Search flight deals

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 September 2025, 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 $228	Free Cancellation	Rating 7.9 7,954 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.