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Cheap flights from Idaho to Helena from $245

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to Helena departing on 3/7. 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 Idaho to Helena

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
6:28 am - 3:59 pm
BOI
-
HLN
9h 31m1 stop
Alaska Airlines Logo
4:36 pm - 11:59 pm
HLN
-
BOI
7h 23m1 stop
$245Alaska Airlines
Sat, Mar 7 - Wed, Mar 11
Alaska Airlines Logo
5:55 pm - 6:11 pm
BOI
-
HLN
24h 16m1 stop
Alaska Airlines Logo
6:48 pm - 9:05 pm
HLN
-
BOI
26h 17m1 stop
$254Alaska Airlines
Fri, Jan 30 - Mon, Feb 2
Alaska Airlines Logo
6:28 am - 3:59 pm
BOI
-
HLN
9h 31m1 stop
Alaska Airlines Logo
4:36 pm - 3:08 pm
HLN
-
BOI
22h 32m1 stop
$264Alaska Airlines
Sat, Mar 7 - Wed, Mar 11
Alaska Airlines Logo
5:40 am - 3:59 pm
BOI
-
HLN
10h 19m2 stops
Alaska Airlines Logo
4:36 pm - 11:59 pm
HLN
-
BOI
7h 23m1 stop
$293Alaska Airlines
Sat, Mar 7 - Wed, Mar 11
Alaska Airlines Logo
3:43 pm - 6:11 pm
BOI
-
HLN
26h 28m1 stop
Alaska Airlines Logo
6:48 pm - 11:32 am
HLN
-
BOI
16h 44m2 stops
$303Alaska Airlines
Fri, Jan 30 - Mon, Feb 2
Alaska Airlines Logo
5:40 am - 3:59 pm
BOI
-
HLN
10h 19m2 stops
Alaska Airlines Logo
4:36 pm - 11:59 pm
HLN
-
BOI
7h 23m1 stop
$323Alaska Airlines
Sat, Mar 7 - Wed, Mar 11
Alaska Airlines Logo
1:25 pm - 2:59 pm
BOI
-
HLN
25h 34m2 stops
Alaska Airlines Logo
4:36 pm - 10:15 pm
HLN
-
BOI
29h 39m2 stops
$350Alaska Airlines
Sat, Mar 7 - Wed, Mar 11
Delta Logo
6:15 pm - 10:29 pm
BOI
-
HLN
4h 14m1 stop
Delta Logo
5:30 am - 10:24 am
HLN
-
BOI
4h 54m1 stop
$357Delta
Sun, Jan 11 - Sun, Jan 18
Alaska Airlines Logo
1:25 pm - 2:59 pm
BOI
-
HLN
25h 34m2 stops
Alaska Airlines Logo
4:36 pm - 10:15 pm
HLN
-
BOI
29h 39m2 stops
$365Alaska Airlines
Sat, Mar 7 - Wed, Mar 11
Alaska Airlines Logo
9:53 pm - 6:11 pm
BOI
-
HLN
44h 18m2 stops
Alaska Airlines Logo
6:48 pm - 12:51 pm
HLN
-
BOI
18h 03m1 stop
$413Alaska Airlines
Sun, Jan 11 - Sun, Jan 18

Alaska Airlines flights from Idaho to Helena

Our best Alaska Airlines deals on Idaho to Helena flight tickets
Alaska Airlines
Mar 7
BOI6:28 amBoise Air Term. Gowen Fld
9h 31m
1 stop
HLN3:59 pmHelena
Mar 11
HLN4:36 pmHelena
7h 23m
1 stop
BOI11:59 pmBoise Air Term. Gowen Fld
$245
Find similar
Alaska Airlines
Jan 30
BOI5:55 pmBoise Air Term. Gowen Fld
24h 16m
1 stop
HLN6:11 pmHelena
Feb 2
HLN6:48 pmHelena
26h 17m
1 stop
BOI9:05 pmBoise Air Term. Gowen Fld
$254
Find similar
Alaska Airlines
Mar 7
BOI6:28 amBoise Air Term. Gowen Fld
9h 31m
1 stop
HLN3:59 pmHelena
Mar 11
HLN4:36 pmHelena
22h 32m
1 stop
BOI3:08 pmBoise Air Term. Gowen Fld
$264
Find similar

United Airlines flights from Idaho to Helena

Our best United Airlines deals on Idaho to Helena flight tickets
United Airlines
Dec 31
BOI2:40 pmBoise Air Term. Gowen Fld
6h 51m
1 stop
HLN9:31 pmHelena
Jan 4
HLN6:10 amHelena
7h 26m
1 stop
BOI1:36 pmBoise Air Term. Gowen Fld
$612
Find similar
United Airlines
Dec 29
BOI6:55 pmBoise Air Term. Gowen Fld
18h 50m
2 stops
HLN1:45 pmHelena
Jan 2
HLN2:26 pmHelena
21h 13m
2 stops
BOI11:39 amBoise Air Term. Gowen Fld
$866
Find similar
United Airlines
Dec 23
BOI6:55 pmBoise Air Term. Gowen Fld
18h 50m
2 stops
HLN1:45 pmHelena
Dec 30
HLN6:10 amHelena
15h 21m
1 stop
BOI9:31 pmBoise Air Term. Gowen Fld
$904
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Idaho 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 December 16, 2025.
Use the filters below to find and compare flights from Idaho to Helena that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Sat 3/7

6:28 am-3:59 pm

1 stop9h 31m

Helena

Wed 3/11

4:36 pm-11:59 pm

1 stop7h 23m

$245

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Fri 1/30

5:55 pm-6:11 pm

1 stop24h 16m

Helena

Mon 2/2

6:48 pm-9:05 pm

1 stop26h 17m

$254

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Sat 3/7

6:28 am-3:59 pm

1 stop9h 31m

Helena

Wed 3/11

4:36 pm-3:08 pm

1 stop22h 32m

$264

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Sat 3/7

5:40 am-3:59 pm

2 stops10h 19m

Helena

Wed 3/11

4:36 pm-11:59 pm

1 stop7h 23m

$293

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Fri 1/30

3:43 pm-6:11 pm

1 stop26h 28m

Helena

Mon 2/2

6:48 pm-11:32 am

2 stops16h 44m

$303

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Sat 3/7

5:40 am-3:59 pm

2 stops10h 19m

Helena

Wed 3/11

4:36 pm-11:59 pm

1 stop7h 23m

$323

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Sat 3/7

1:25 pm-2:59 pm

2 stops25h 34m

Helena

Wed 3/11

4:36 pm-10:15 pm

2 stops29h 39m

$350

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Sun 1/11

6:15 pm-10:29 pm

1 stop4h 14m

Helena

Sun 1/18

5:30 am-10:24 am

1 stop4h 54m

$357

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Sat 3/7

1:25 pm-2:59 pm

2 stops25h 34m

Helena

Wed 3/11

4:36 pm-10:15 pm

2 stops29h 39m

$365

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Sun 1/11

9:53 pm-6:11 pm

2 stops44h 18m

Helena

Sun 1/18

6:48 pm-12:51 pm

1 stop18h 03m

$413

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Helena from

How to get the cheapest flight ticket from Idaho 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 day to depart on your flight to Helena?

The cheapest day to depart from Idaho to Helena is on a Wednesday. Travelers who choose to depart for Helena on a Wednesday will often find tickets for as low as $308. The most expensive day to fly to Helena is Sunday, with ticket prices averaging around $534.

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

According to our data, the cheapest time of day to fly to Helena is in the afternoon. momondo users have found flights departing from Idaho to Helena in the afternoon for as low as $387. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Helena is in the evening when prices are around $534.

Cheap Idaho to Helena flight deals and tips

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

Fastest flight time

6h 45m

Direct flights

None
The fastest flight from Idaho to Helena takes 6h 45m
There are no direct flights from Idaho to Helena. There are no popular flight routes from Idaho to Helena.
Search flight deals

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

    Prices for flights from Idaho to Helena Airport are updated daily.

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

  • How old do you have to be to fly from Idaho 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 Idaho 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.

Best airlines flying from Idaho to Helena

Compare and see reviews for airlines that fly from Idaho to Helena with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $173Free CancellationRating
7.9
8,008 reviews
Search Delta flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Idaho to Helena for you.

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

All flight searches from Idaho to Helena on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Idaho to Helena.

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

Price alerts on flights to Helena from Idaho are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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