HLN - BOI

$238 Find Cheap Flights from Helena to Boise - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Helena to Boise departing on 8/17. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$359
Alaska Airlines
Sat 11/7Tue 11/10
HLN - BOI • 1 stop
Cheapest one-way
$238
Delta
Mon 8/17
HLN - BOI • 1 stop
Top airlines
Alaska Airlines
Cheapest • from $359 (round-trip)
Delta
Best reviews • 7.8 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Nonstop flights
Not available
There are currently no direct flights between Helena and Boise. You'll need at least 1 connection.
Insights
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Insights
Top layover airports
Seattle (SEA)
Cheapest • Avg $303 (round-trip)
Salt Lake City (SLC)
Shortest trip • 4h 17m (one-way)
Insights
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Booking Insights
Flight Deals

Cheap Flights from Helena to Boise (HLN-BOI)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Helena to Boise that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Helena to Boise

Sat, Nov 7 - Tue, Nov 10
Alaska Airlines Logo
4:41 pm - 11:51 pm
HLN
-
BOI
7h 10m
1 stop
Alaska Airlines Logo
10:49 am - 4:04 pm
BOI
-
HLN
5h 15m
1 stop
$359Alaska Airlines
Sat, Nov 7 - Tue, Nov 10
Alaska Airlines Logo
4:41 pm - 11:51 pm
HLN
-
BOI
7h 10m
1 stop
Alaska Airlines Logo
10:49 am - 4:04 pm
BOI
-
HLN
5h 15m
1 stop
$367Alaska Airlines
Wed, Oct 7 - Thu, Oct 8
Alaska Airlines Logo
5:26 pm - 10:06 pm
HLN
-
BOI
4h 40m
1 stop
Alaska Airlines Logo
12:58 pm - 4:49 pm
BOI
-
HLN
3h 51m
1 stop
$377Alaska Airlines
Sat, Nov 7 - Tue, Nov 10
Alaska Airlines Logo
4:41 pm - 11:51 pm
HLN
-
BOI
7h 10m
1 stop
Alaska Airlines Logo
8:30 am - 4:04 pm
BOI
-
HLN
31h 34m
2 stops
$411Alaska Airlines
Sat, Nov 7 - Tue, Nov 10
Alaska Airlines Logo
4:41 pm - 11:51 pm
HLN
-
BOI
7h 10m
1 stop
Alaska Airlines Logo
8:30 am - 4:04 pm
BOI
-
HLN
31h 34m
2 stops
$419Alaska Airlines
Fri, Aug 14 - Sat, Aug 22
Delta Logo
5:40 am - 9:48 am
HLN
-
BOI
4h 08m
1 stop
Delta Logo
8:45 am - 12:15 pm
BOI
-
HLN
3h 30m
1 stop
$422Delta
Thu, Oct 8 - Fri, Oct 9
Alaska Airlines Logo
5:26 pm - 10:06 pm
HLN
-
BOI
4h 40m
1 stop
Alaska Airlines Logo
8:25 am - 4:49 pm
BOI
-
HLN
8h 24m
1 stop
$424Alaska Airlines
Fri, Aug 14 - Fri, Aug 21
Alaska Airlines Logo
5:09 pm - 12:04 am
HLN
-
BOI
6h 55m
1 stop
Alaska Airlines Logo
6:23 am - 4:55 pm
BOI
-
HLN
10h 32m
1 stop
$432Alaska Airlines
Fri, Aug 14 - Fri, Aug 21
United Airlines Logo
6:15 am - 1:38 pm
HLN
-
BOI
7h 23m
1 stop
United Airlines Logo
6:30 am - 1:45 pm
BOI
-
HLN
7h 15m
1 stop
$459United Airlines
Mon, Aug 10 - Mon, Aug 10
Delta Logo
5:40 am - 9:48 am
HLN
-
BOI
4h 08m
1 stop
Delta Logo
6:45 pm - 10:30 pm
BOI
-
HLN
3h 45m
1 stop
$475Delta
Booking Insights

KAYAK's insights & trends for Helena to Boise flights

Get data-powered insights and trends into flights from Helena to Boise to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Helena to Boise?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 5 days.

In the past 5 days, the cheapest round-trip tickets from Helena to Boise were found on Alaska Airlines ($359) and Delta ($422).

Find deals

Good to know

Cheapest flight

$238
Flight from Helena to Boise

When to book flights from Helena to Boise

Are your dates flexible? Find out the best times to travel from Helena to Boise based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Helena to Boise

  • What is the cheapest flight from Helena to Boise?

    In the last 5 days, the lowest price for a flight from Helena to Boise was $238 for a one-way ticket and $359 for a round-trip.

  • Do I need a passport to fly between Helena and Boise?

    A passport is not required to fly from Helena to Boise.

  • Which airports will I be using when flying from Helena to Boise?

    Helena and Boise are both served by 1 main airport. You will leave Helena from Helena and will be arriving at Boise Air Term. Gowen Fld.

  • Which aircraft models fly most regularly from Helena to Boise?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Helena to Boise?

    SkyTeam is the only airline alliance operating flights between Helena and Boise.

  • How does KAYAK find such low prices on flights from Helena to Boise?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Helena to Boise.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Helena to Boise?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Boise from Helena is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Helena to Boise?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Boise with an airline and back to Helena with another airline. Booking your flights between Helena and BOI can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Helena to Boise?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Boise from Helena up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airline flying from Helena to Boise

 
See real verified KAYAK customer reviews for airlines flying from Helena to Boise. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Helena to Boise? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.8
DeltaOverall score based on 8481 reviews
7.8Entertainment
8.1Boarding
8.5Crew
7.2Food
7.8Comfort
Airline reviews

Flight team was great and we even arrived ahead of plan!

10.0 ExcellentTony, Jul 2026
SNA - ATL
Read more Delta reviews

Flight team was great and we even arrived ahead of plan!

It was good delayed again but once on board the flight crew were very good the entertainment and wifi worked on this plane and we were offered snacks and drinks

The boarding agent guy in Lexington on 7/23 that boarded the flights to Atlanta is very rude for working in customer service. I know there were delays but he was dismissive rude and arrogant. Most native Kentucky residents are nice and very cordial he needs to eat a big ole piece of humble pie. I watched him be rude to several people and as much as he could of filled up a delayed flight to save you money and he was so rude to people it was ridiculous. Next no water or snacks on short flights is awful 1st you delay a flight then do not even offer water on the flight.. No thanks I like delta better but I travel ever week and to be treated like this might as well fly American at least they offer water and have better rewards.

Flight was delayed multiple time and for more than 1 hr. My onward flight from BOS to MCI was also delayed. These delays have caused me so much inconvenience and Delta does nothing to ensure flights take off on time. No one knew why the inbound flight was delayed and what was the issue.

The second half of terminal C at Hartsfield was 80 something degrees. I was sweating just sitting at the gate.

Boarding was quick and i made my connection early due to early arrival time

I missed the flight because the Minneapolis flight was 49 minutes LATE, and the Boise flight LEFT 24 minutes EARLY!

Having to up charge for a seat assignment is not good. Delta can do better

Nothing unusual. It was fine. I hate having to pay extra for my seat.

Didn’t make the flight. My connecting flight was an hour late and I missed the flight. You rerouted me thru Atlanta and I arrived in Rome over 10 hour after my original Rome arrival time. You also left my luggage in Atlanta and it took you three day to get my bag to meI spent 4 days in the same cloths, I had packed my prescriptions in the lost bag and went 3 days withoutMy heart meds.

Everything you need to know for your flight from Helena to Boise

Information on your arrival and departure airports

Helena (HLN)
Boise (BOI)