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Cheap flights from Boise to Helena from $301

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Boise to Helena departing on 8/27. 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 Boise to Helena

Cheap round-trip flights

Delta Logo
6:00 pm - 10:13 pmBOI-HLN
4h 13m1 stop
Delta Logo
5:50 am - 9:56 amHLN-BOI
4h 06m1 stop
$301Delta
Find Deal
mié., ago. 27 - mié., sep. 3
Delta Logo
5:43 pm - 10:14 pmBOI-HLN
4h 31m1 stop
Delta Logo
5:45 am - 10:34 amHLN-BOI
4h 49m1 stop
$375Delta
Find Deal
vie., sep. 26 - dom., sep. 28
Alaska Airlines Logo
6:35 am - 3:21 pmBOI-HLN
8h 46m1 stop
Alaska Airlines Logo
4:02 pm - 9:28 amHLN-BOI
17h 26m1 stop
$444Alaska Airlines
Find Deal
jue., sep. 25 - dom., sep. 28
Alaska Airlines Logo
4:00 pm - 3:21 pmBOI-HLN
23h 21m2 stops
Alaska Airlines Logo
4:02 pm - 6:16 pmHLN-BOI
26h 14m1 stop
$463Alaska Airlines
Find Deal
vie., sep. 26 - dom., sep. 28
Alaska Airlines Logo
10:00 am - 3:21 pmBOI-HLN
5h 21m1 stop
Alaska Airlines Logo
4:02 pm - 7:20 amHLN-BOI
15h 18m2 stops
$464Alaska Airlines
Find Deal
jue., sep. 25 - dom., sep. 28
United Airlines Logo
7:00 am - 1:30 pmBOI-HLN
6h 30m1 stop
United Airlines Logo
5:20 pm - 1:30 pmHLN-BOI
20h 10m2 stops
$500United Airlines
Find Deal
mié., ago. 27 - mié., sep. 3
Alaska Airlines Logo
6:00 am - 3:21 pmBOI-HLN
9h 21m2 stops
Alaska Airlines Logo
4:02 pm - 9:57 pmHLN-BOI
5h 55m2 stops
$611Alaska Airlines
Find Deal
jue., sep. 25 - dom., sep. 28
Alaska Airlines Logo
7:15 am - 3:21 pmBOI-HLN
8h 06m2 stops
Alaska Airlines Logo
4:02 pm - 9:57 pmHLN-BOI
5h 55m2 stops
$670Alaska Airlines
Find Deal
mié., ago. 27 - mié., sep. 3
Alaska Airlines Logo
9:28 am - 3:21 pmBOI-HLN
5h 53m2 stops
Alaska Airlines Logo
4:02 pm - 9:57 pmHLN-BOI
5h 55m2 stops
$821Alaska Airlines
Find Deal
mié., ago. 27 - mié., sep. 3

Delta flights from Boise to Helena

Our best Delta deals on Boise to Helena flight tickets
Delta
Aug 27
BOI6:00 pmBoise Air Term. Gowen Fld
4h 13m
1 stop
HLN10:13 pmHelena
Sep 3
HLN5:50 amHelena
4h 06m
1 stop
BOI9:56 amBoise Air Term. Gowen Fld
$301
Find similar
Delta
Sep 26
BOI5:43 pmBoise Air Term. Gowen Fld
4h 31m
1 stop
HLN10:14 pmHelena
Sep 28
HLN5:45 amHelena
4h 49m
1 stop
BOI10:34 amBoise Air Term. Gowen Fld
$375
Find similar
Delta
Aug 5
BOI6:00 pmBoise Air Term. Gowen Fld
4h 47m
1 stop
HLN10:47 pmHelena
Aug 7
HLN5:50 amHelena
3h 36m
1 stop
BOI9:26 amBoise Air Term. Gowen Fld
$737
Find similar

Alaska Airlines flights from Boise to Helena

Our best Alaska Airlines deals on Boise to Helena flight tickets
Alaska Airlines
Sep 25
BOI6:35 amBoise Air Term. Gowen Fld
8h 46m
1 stop
HLN3:21 pmHelena
Sep 28
HLN4:02 pmHelena
17h 26m
1 stop
BOI9:28 amBoise Air Term. Gowen Fld
$444
Find similar
Alaska Airlines
Sep 26
BOI4:00 pmBoise Air Term. Gowen Fld
23h 21m
2 stops
HLN3:21 pmHelena
Sep 28
HLN4:02 pmHelena
26h 14m
1 stop
BOI6:16 pmBoise Air Term. Gowen Fld
$463
Find similar
Alaska Airlines
Sep 25
BOI10:00 amBoise Air Term. Gowen Fld
5h 21m
1 stop
HLN3:21 pmHelena
Sep 28
HLN4:02 pmHelena
15h 18m
2 stops
BOI7:20 amBoise Air Term. Gowen Fld
$464
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Boise 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 agosto 4, 2025.
Use the filters below to find and compare flights from Boise to Helena that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

mié. 8/27

6:00 pm-10:13 pm

1 stop4h 13m

Helena

mié. 9/3

5:50 am-9:56 am

1 stop4h 06m

$301

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

vie. 9/26

5:43 pm-10:14 pm

1 stop4h 31m

Helena

dom. 9/28

5:45 am-10:34 am

1 stop4h 49m

$375

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

jue. 9/25

6:35 am-3:21 pm

1 stop8h 46m

Helena

dom. 9/28

4:02 pm-9:28 am

1 stop17h 26m

$444

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

vie. 9/26

4:00 pm-3:21 pm

2 stops23h 21m

Helena

dom. 9/28

4:02 pm-6:16 pm

1 stop26h 14m

$463

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

jue. 9/25

10:00 am-3:21 pm

1 stop5h 21m

Helena

dom. 9/28

4:02 pm-7:20 am

2 stops15h 18m

$464

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

mié. 8/27

7:00 am-1:30 pm

1 stop6h 30m

Helena

mié. 9/3

5:20 pm-1:30 pm

2 stops20h 10m

$500

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

jue. 9/25

6:00 am-3:21 pm

2 stops9h 21m

Helena

dom. 9/28

4:02 pm-9:57 pm

2 stops5h 55m

$611

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

mié. 8/27

7:15 am-3:21 pm

2 stops8h 06m

Helena

mié. 9/3

4:02 pm-9:57 pm

2 stops5h 55m

$670

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

mié. 8/27

9:28 am-3:21 pm

2 stops5h 53m

Helena

mié. 9/3

4:02 pm-9:57 pm

2 stops5h 55m

$821

BoiseHelena

BOI - HLN

BOIHLN

Boise Air Term. Gowen Fld

jue. 8/28

6:00 am-12:20 pm

1 stop6h 20m

$310

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
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See travel insights to Helena from

How to get the cheapest flight ticket from Boise 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 month to fly to Helena?

If you aren’t able to travel to Helena during the month of March, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $244.

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

The cheapest day to depart from Boise 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 Boise 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.

When to book flights from Boise to Helena

Are you open to changing your travel dates? Check out the ideal times to fly from Boise to Helena according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boise to Helena (BOI to HLN) flight deals and tips

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

Best Price Found

$310

Fastest flight time

4h 13m

Direct flights

None

Airports in Helena

1 airport
The best one-way flight to Helena from Boise in the past 72 hours is $310. The best round-trip flight deal from Boise to Helena found on momondo in the last 72 hours is $301.
The fastest flight from Boise to Helena takes 4h 13m
There are no direct flights from Boise 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

  • How far is Boise Air Term. Gowen Fld to Helena by plane?

    Helena is 289.0 mi away from Boise Air Term. Gowen Fld. A reasonable flight in good conditions will take 4h 13m.

  • When did momondo last update prices for flights from Boise Air Term. Gowen Fld Airport to Helena Airport?

    Prices for flights from Boise Air Term. Gowen Fld Airport to Helena Airport were last updated today.

  • How many operators does momondo search for flights from Boise Air Term. Gowen Fld Airport to Helena Airport?

  • How old do you have to be to fly from Boise Air Term. Gowen Fld Airport to Helena Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boise Air Term. Gowen Fld Airport 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.

  • What is the most popular airline from Boise to Helena?

Best airlines flying from Boise to Helena

Compare and see reviews for airlines that fly from Boise to Helena with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $173Free CancellationRating
8.0
7,987 reviews
Search Delta flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Helena from Boise.

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

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

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

momondo helps you find the best flight between Boise and Helena by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Helena from Boise. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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