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Cheap flights from Idaho to Helena from $523

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 9/12. 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

Delta Logo
5:43 pm - 10:14 pmBOI-HLN
4h 31m1 stop
Delta Logo
5:45 am - 10:34 amHLN-BOI
4h 49m1 stop
$523Delta
Find Deal
Fri, Sep 12 - Sun, Sep 14
Delta Logo
6:00 pm - 10:13 pmBOI-HLN
4h 13m1 stop
Delta Logo
5:50 am - 9:45 amHLN-BOI
3h 55m1 stop
$567Delta
Find Deal
Mon, Aug 25 - Wed, Aug 27
Alaska Airlines Logo
5:45 pm - 3:21 pmBOI-HLN
21h 36m1 stop
Alaska Airlines Logo
4:02 pm - 9:57 pmHLN-BOI
29h 55m2 stops
$579Alaska Airlines
Find Deal
Fri, Sep 12 - Sun, Sep 14
United Airlines Logo
10:45 am - 4:04 pmBOI-HLN
5h 19m1 stop
United Airlines Logo
5:20 pm - 10:21 pmHLN-BOI
5h 01m1 stop
$599United Airlines
Find Deal
Thu, Aug 28 - Mon, Sep 1
Alaska Airlines Logo
11:22 am - 3:21 pmBOI-HLN
3h 59m1 stop
Alaska Airlines Logo
4:02 pm - 11:57 pmHLN-BOI
31h 55m2 stops
$687Alaska Airlines
Find Deal
Mon, Aug 25 - Wed, Aug 27
United Airlines Logo
2:13 pm - 1:30 pmBOI-HLN
23h 17m2 stops
United Airlines Logo
6:30 am - 1:35 pmHLN-BOI
7h 05m1 stop
$697United Airlines
Find Deal
Thu, Aug 28 - Mon, Sep 1
Alaska Airlines Logo
7:15 am - 3:21 pmBOI-HLN
8h 06m2 stops
Alaska Airlines Logo
4:02 pm - 11:57 pmHLN-BOI
7h 55m2 stops
$714Alaska Airlines
Find Deal
Fri, Sep 12 - Sun, Sep 14
United Airlines Logo
2:13 pm - 1:30 pmBOI-HLN
23h 17m2 stops
United Airlines Logo
5:20 pm - 1:30 pmHLN-BOI
20h 10m2 stops
$796United Airlines
Find Deal
Thu, Aug 28 - Mon, Sep 1
Alaska Airlines Logo
7:00 am - 3:21 pmBOI-HLN
8h 21m2 stops
Alaska Airlines Logo
4:02 pm - 9:57 pmHLN-BOI
5h 55m2 stops
$814Alaska Airlines
Find Deal
Mon, Aug 25 - Wed, Aug 27
Alaska Airlines Logo
10:00 am - 3:21 pmBOI-HLN
5h 21m1 stop
Alaska Airlines Logo
4:02 pm - 7:47 pmHLN-BOI
27h 45m2 stops
$855Alaska Airlines
Find Deal
Mon, Aug 25 - Thu, Aug 28

Delta flights from Idaho to Helena

Our best Delta deals on Idaho to Helena flight tickets
Delta
Sep 12
BOI5:43 pmBoise Air Term. Gowen Fld
4h 31m
1 stop
HLN10:14 pmHelena
Sep 14
HLN5:45 amHelena
4h 49m
1 stop
BOI10:34 amBoise Air Term. Gowen Fld
$523
Find similar
Delta
Aug 25
BOI6:00 pmBoise Air Term. Gowen Fld
4h 13m
1 stop
HLN10:13 pmHelena
Aug 27
HLN5:50 amHelena
3h 55m
1 stop
BOI9:45 amBoise Air Term. Gowen Fld
$567
Find similar
Delta
Aug 25
BOI6:00 pmBoise Air Term. Gowen Fld
4h 13m
1 stop
HLN10:13 pmHelena
Aug 27
HLN5:50 amHelena
3h 55m
1 stop
BOI9:45 amBoise Air Term. Gowen Fld
$637
Find similar

Alaska Airlines flights from Idaho to Helena

Our best Alaska Airlines deals on Idaho to Helena flight tickets
Alaska Airlines
Sep 12
BOI5:45 pmBoise Air Term. Gowen Fld
21h 36m
1 stop
HLN3:21 pmHelena
Sep 14
HLN4:02 pmHelena
29h 55m
2 stops
BOI9:57 pmBoise Air Term. Gowen Fld
$579
Find similar
Alaska Airlines
Aug 19
BOI6:25 amBoise Air Term. Gowen Fld
9h 06m
1 stop
HLN3:31 pmHelena
Aug 23
HLN4:02 pmHelena
6h 38m
1 stop
BOI10:40 pmBoise Air Term. Gowen Fld
$686
Find similar
Alaska Airlines
Aug 25
BOI11:22 amBoise Air Term. Gowen Fld
3h 59m
1 stop
HLN3:21 pmHelena
Aug 27
HLN4:02 pmHelena
31h 55m
2 stops
BOI11:57 pmBoise Air Term. Gowen Fld
$687
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 August 14, 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

Fri 9/12

5:43 pm-10:14 pm

1 stop4h 31m

Helena

Sun 9/14

5:45 am-10:34 am

1 stop4h 49m

$523

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Mon 8/25

6:00 pm-10:13 pm

1 stop4h 13m

Helena

Wed 8/27

5:50 am-9:45 am

1 stop3h 55m

$567

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Fri 9/12

5:45 pm-3:21 pm

1 stop21h 36m

Helena

Sun 9/14

4:02 pm-9:57 pm

2 stops29h 55m

$579

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Thu 8/28

10:45 am-4:04 pm

1 stop5h 19m

Helena

Mon 9/1

5:20 pm-10:21 pm

1 stop5h 01m

$599

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Mon 8/25

11:22 am-3:21 pm

1 stop3h 59m

Helena

Wed 8/27

4:02 pm-11:57 pm

2 stops31h 55m

$687

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Thu 8/28

2:13 pm-1:30 pm

2 stops23h 17m

Helena

Mon 9/1

6:30 am-1:35 pm

1 stop7h 05m

$697

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Fri 9/12

7:15 am-3:21 pm

2 stops8h 06m

Helena

Sun 9/14

4:02 pm-11:57 pm

2 stops7h 55m

$714

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Thu 8/28

2:13 pm-1:30 pm

2 stops23h 17m

Helena

Mon 9/1

5:20 pm-1:30 pm

2 stops20h 10m

$796

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Mon 8/25

7:00 am-3:21 pm

2 stops8h 21m

Helena

Wed 8/27

4:02 pm-9:57 pm

2 stops5h 55m

$814

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

Mon 8/25

10:00 am-3:21 pm

1 stop5h 21m

Helena

Thu 8/28

4:02 pm-7:47 pm

2 stops27h 45m

$855

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

Best Price Found

$523

Fastest flight time

3h 59m

Direct flights

None

Airports in Helena

1 airport
The best flight deal from Idaho to Helena found on momondo in the last 72 hours is $523
The fastest flight from Idaho to Helena takes 3h 59m
There are no direct flights from Idaho to Helena. Popular non-direct route for this connection is Boise Air Term. Gowen Fld Airport - Helena Airport.
There is 1 airport near Helena: Helena (HLN)
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
8.0
7,980 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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