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Cheap flights from Helena to Boise from $351

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Helena to Boise departing on 10/18. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from Helena to Boise

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
12:50 pm - 4:49 pm
HLN
-
BOI
3h 59m
1 stop
Delta Logo
6:00 am - 12:24 pm
BOI
-
HLN
6h 24m
1 stop
$351Delta
Sun, Oct 18 - Thu, Oct 22
Alaska Airlines Logo
4:48 pm - 11:58 pm
HLN
-
BOI
7h 10m
1 stop
Alaska Airlines Logo
10:06 am - 4:11 pm
BOI
-
HLN
6h 05m
1 stop
$363Alaska Airlines
Sat, Oct 17 - Tue, Oct 20
Alaska Airlines Logo
4:48 pm - 11:58 pm
HLN
-
BOI
7h 10m
1 stop
Alaska Airlines Logo
10:06 am - 4:11 pm
BOI
-
HLN
6h 05m
1 stop
$391Alaska Airlines
Sat, Oct 17 - Tue, Oct 20
Alaska Airlines Logo
5:09 pm - 12:04 am
HLN
-
BOI
6h 55m
1 stop
Alaska Airlines Logo
10:00 am - 4:32 pm
BOI
-
HLN
6h 32m
1 stop
$410Alaska Airlines
Tue, Aug 11 - Thu, Aug 13
Alaska Airlines Logo
4:48 pm - 11:58 pm
HLN
-
BOI
7h 10m
1 stop
Alaska Airlines Logo
5:56 am - 4:11 pm
BOI
-
HLN
10h 15m
2 stops
$420Alaska Airlines
Sat, Oct 17 - Tue, Oct 20
Delta Logo
1:00 pm - 4:52 pm
HLN
-
BOI
3h 52m
1 stop
Delta Logo
6:42 pm - 10:31 pm
BOI
-
HLN
3h 49m
1 stop
$443Delta
Thu, Jul 2 - Sun, Jul 5
Delta Logo
5:45 am - 10:19 am
HLN
-
BOI
4h 34m
1 stop
Delta Logo
2:35 pm - 12:24 pm
BOI
-
HLN
21h 49m
2 stops
$457Delta
Sun, Oct 18 - Thu, Oct 22
Alaska Airlines Logo
5:09 pm - 12:04 am
HLN
-
BOI
6h 55m
1 stop
Alaska Airlines Logo
7:57 am - 4:32 pm
BOI
-
HLN
32h 35m
2 stops
$523Alaska Airlines
Tue, Aug 11 - Thu, Aug 13
Alaska Airlines Logo
4:48 pm - 7:42 pm
HLN
-
BOI
26h 54m
2 stops
Alaska Airlines Logo
4:17 pm - 4:11 pm
BOI
-
HLN
23h 54m
2 stops
$583Alaska Airlines
Sun, Oct 18 - Thu, Oct 22
Alaska Airlines Logo
5:09 pm - 12:04 am
HLN
-
BOI
6h 55m
1 stop
Alaska Airlines Logo
10:00 am - 4:32 pm
BOI
-
HLN
6h 32m
1 stop
$585Alaska Airlines
Thu, Jul 2 - Thu, Jul 9

Delta flights from Helena to Boise

Our best Delta deals on Helena to Boise flight tickets
Delta
Oct 18
HLN12:50 pmHelena
3h 59m
1 stop
BOI4:49 pmBoise Air Term. Gowen Fld
Oct 22
BOI6:00 amBoise Air Term. Gowen Fld
6h 24m
1 stop
HLN12:24 pmHelena
$351
Delta
Jul 2
HLN1:00 pmHelena
3h 52m
1 stop
BOI4:52 pmBoise Air Term. Gowen Fld
Jul 5
BOI6:42 pmBoise Air Term. Gowen Fld
3h 49m
1 stop
HLN10:31 pmHelena
$443
Delta
Oct 18
HLN5:45 amHelena
4h 34m
1 stop
BOI10:19 amBoise Air Term. Gowen Fld
Oct 22
BOI2:35 pmBoise Air Term. Gowen Fld
21h 49m
2 stops
HLN12:24 pmHelena
$457

Alaska Airlines flights from Helena to Boise

Our best Alaska Airlines deals on Helena to Boise flight tickets
Alaska Airlines
Oct 17
HLN4:48 pmHelena
7h 10m
1 stop
BOI11:58 pmBoise Air Term. Gowen Fld
Oct 20
BOI10:06 amBoise Air Term. Gowen Fld
6h 05m
1 stop
HLN4:11 pmHelena
$363
Alaska Airlines
Oct 17
HLN4:48 pmHelena
7h 10m
1 stop
BOI11:58 pmBoise Air Term. Gowen Fld
Oct 20
BOI10:06 amBoise Air Term. Gowen Fld
6h 05m
1 stop
HLN4:11 pmHelena
$391
Alaska Airlines
Aug 11
HLN5:09 pmHelena
6h 55m
1 stop
BOI12:04 amBoise Air Term. Gowen Fld
Aug 13
BOI10:00 amBoise Air Term. Gowen Fld
6h 32m
1 stop
HLN4:32 pmHelena
$410

momondo Fare Finder

 
Customize your flight search to find flights from Helena to Boise 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 June 7, 2026.
Use the filters below to find and compare flights from Helena to Boise that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HelenaBoise

HLN - BOI

HLNBOI

Helena

Sun 10/18

12:50 pm-4:49 pm

1 stop3h 59m

Boise Air Term. Gowen Fld

Thu 10/22

6:00 am-12:24 pm

1 stop6h 24m

$351

HelenaBoise

HLN - BOI

HLNBOI

Helena

Sat 10/17

4:48 pm-11:58 pm

1 stop7h 10m

Boise Air Term. Gowen Fld

Tue 10/20

10:06 am-4:11 pm

1 stop6h 05m

$363

HelenaBoise

HLN - BOI

HLNBOI

Helena

Sat 10/17

4:48 pm-11:58 pm

1 stop7h 10m

Boise Air Term. Gowen Fld

Tue 10/20

10:06 am-4:11 pm

1 stop6h 05m

$391

HelenaBoise

HLN - BOI

HLNBOI

Helena

Tue 8/11

5:09 pm-12:04 am

1 stop6h 55m

Boise Air Term. Gowen Fld

Thu 8/13

10:00 am-4:32 pm

1 stop6h 32m

$410

HelenaBoise

HLN - BOI

HLNBOI

Helena

Sat 10/17

4:48 pm-11:58 pm

1 stop7h 10m

Boise Air Term. Gowen Fld

Tue 10/20

5:56 am-4:11 pm

2 stops10h 15m

$420
Quickest round-trip

HelenaBoise

HLN - BOI

HLNBOI

Helena

Thu 7/2

1:00 pm-4:52 pm

1 stop3h 52m

Boise Air Term. Gowen Fld

Sun 7/5

6:42 pm-10:31 pm

1 stop3h 49m

$443

HelenaBoise

HLN - BOI

HLNBOI

Helena

Sun 10/18

5:45 am-10:19 am

1 stop4h 34m

Boise Air Term. Gowen Fld

Thu 10/22

2:35 pm-12:24 pm

2 stops21h 49m

$457

HelenaBoise

HLN - BOI

HLNBOI

Helena

Tue 8/11

5:09 pm-12:04 am

1 stop6h 55m

Boise Air Term. Gowen Fld

Thu 8/13

7:57 am-4:32 pm

2 stops32h 35m

$523

HelenaBoise

HLN - BOI

HLNBOI

Helena

Sun 10/18

4:48 pm-7:42 pm

2 stops26h 54m

Boise Air Term. Gowen Fld

Thu 10/22

4:17 pm-4:11 pm

2 stops23h 54m

$583

HelenaBoise

HLN - BOI

HLNBOI

Helena

Thu 7/2

5:09 pm-12:04 am

1 stop6h 55m

Boise Air Term. Gowen Fld

Thu 7/9

10:00 am-4:32 pm

1 stop6h 32m

$585

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to Boise from

How to get the cheapest flight ticket from Helena to Boise

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 Boise Air Term. Gowen Fld?

Delta is the most popular carrier operating from Helena to Boise Air Term. Gowen Fld

What airlines fly to Boise?

Alaska Airlines, Delta and Southwest are the top three most popular airlines that fly to Boise from Helena according to our data. Alaska Airlines is the first choice among our users, with 61% of people opting to fly with this airline when traveling to Boise. Keep in mind that there are 3 different airlines that fly to Boise on a routine basis, so you have a few additional options to choose from.

When to book flights from Helena to Boise

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

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

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

Fastest flight time

3h 57m

Direct flights

None
The fastest flight from Helena to Boise takes 3h 57m
There are no direct flights from Helena to Boise. There are no popular flight routes from Helena to Boise.
Search flight deals

Frequently asked questions about flying from Helena to Boise

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

    There are 289.0 mi between Helena and Boise Air Term. Gowen Fld. Typically, this will take 3h 57m by plane in normal conditions.

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Helena Airport to Boise Air Term. Gowen Fld Airport.

  • What documentation or ID do you need to fly to Boise Air Term. Gowen Fld Airport?

    The travel and health documents required for your trip to Boise Air Term. Gowen Fld 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 Boise Air Term. Gowen Fld 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 Helena to Boise?

Best airlines flying from Helena to Boise

Compare and see reviews for airlines that fly from Helena to Boise with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $280Free CancellationRating
7.9
8,396 reviews
Search Delta flights

Traveling to a place near Boise?

Book flights to Boise if you plan to visit one of these locations
Nampa
Meridian
McCall
Ontario
Caldwell
Eagle

Why use momondo?

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

It is quick and easy to find Helena to Boise flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Boise that suits you.

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

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

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

momondo helps you find the best flight between Helena and Boise 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 Helena to Boise right now. Can momondo alert me if prices change?

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