HLN - BOI

$198 Find Cheap Flights from Helena to Boise

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 8/14. 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

KAYAK searches hundreds of travel sites at once for deals on flights to Boise

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Helena to Boise, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Helena to Boise, as well as popular online travel agencies
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41,299,237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest round-trip
$375
Delta
Tue 9/15Thu 9/17
HLN - BOI • 1 stop
Cheapest one-way
$198
Delta
Fri 8/14
HLN - BOI • 1 stop
Top airlines
Delta
Cheapest • from $375 (round-trip)
Delta
Best reviews • 7.9 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
Insights
Insights
Insights
Top layover airports
Seattle (SEA)
Cheapest • Avg $303 (round-trip)
Salt Lake City (SLC)
Shortest trip • 4h 15m (one-way)
Insights
Insights
Insights
Insights
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Boise!
Flight Deals
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

Tue, Sep 15 - Thu, Sep 17
Delta Logo
5:45 am - 12:14 pm
HLN
-
BOI
6h 29m
1 stop
Delta Logo
5:45 pm - 10:34 pm
BOI
-
HLN
4h 49m
1 stop
$375Delta
Fri, Jul 17 - Mon, Jul 20
Alaska Airlines Logo
5:09 pm - 12:04 am
HLN
-
BOI
6h 55m
1 stop
Alaska Airlines Logo
11:42 am - 4:32 pm
BOI
-
HLN
4h 50m
1 stop
$427Alaska Airlines
Tue, Sep 15 - Thu, Sep 17
Alaska Airlines Logo
5:18 pm - 10:38 pm
HLN
-
BOI
5h 20m
1 stop
Alaska Airlines Logo
7:00 am - 4:41 pm
BOI
-
HLN
9h 41m
2 stops
$465Alaska Airlines
Fri, Jun 19 - Mon, Jun 22
Delta Logo
1:00 pm - 5:52 pm
HLN
-
BOI
4h 52m
1 stop
Delta Logo
6:42 pm - 10:31 pm
BOI
-
HLN
3h 49m
1 stop
$467Delta
Tue, Jun 9 - Mon, Jun 15
Delta Logo
5:35 am - 9:32 am
HLN
-
BOI
3h 57m
1 stop
Delta Logo
6:42 pm - 10:31 pm
BOI
-
HLN
3h 49m
1 stop
$511Delta
Fri, Jun 19 - Mon, Jun 22
Alaska Airlines Logo
5:09 pm - 12:04 am
HLN
-
BOI
6h 55m
1 stop
Alaska Airlines Logo
6:53 pm - 4:32 pm
BOI
-
HLN
21h 39m
2 stops
$534Alaska Airlines
Fri, Jul 17 - Mon, Jul 20
Alaska Airlines Logo
5:09 pm - 8:07 am
HLN
-
BOI
14h 58m
2 stops
Alaska Airlines Logo
6:23 am - 4:32 pm
BOI
-
HLN
10h 09m
1 stop
$544Alaska Airlines
Tue, Sep 15 - Thu, Sep 17
Alaska Airlines Logo
5:18 pm - 6:09 pm
HLN
-
BOI
24h 51m
2 stops
Alaska Airlines Logo
7:00 am - 4:41 pm
BOI
-
HLN
9h 41m
2 stops
$555Alaska Airlines
Thu, May 28 - Sun, May 31
Delta Logo
5:45 am - 9:32 am
HLN
-
BOI
3h 47m
1 stop
Delta Logo
6:41 pm - 10:33 pm
BOI
-
HLN
3h 52m
1 stop
$575Delta
Tue, Jun 9 - Mon, Jun 15
Alaska Airlines Logo
4:43 pm - 11:58 pm
HLN
-
BOI
7h 15m
1 stop
Alaska Airlines Logo
6:53 pm - 4:32 pm
BOI
-
HLN
21h 39m
2 stops
$592Alaska Airlines
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 72 hours.

In the past 3 days, the cheapest round-trip tickets from Helena to Boise were found on Delta ($375) and Alaska Airlines ($427).

Find deals

Good to know

Cheapest flight$198
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 3 days, the lowest price for a flight from Helena to Boise was $198 for a one-way ticket and $375 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.
7.9
DeltaOverall score based on 8450 reviews
8.1Boarding
7.2Food
7.8Entertainment
7.8Comfort
8.5Crew
Airline reviews

For some reason, TSA Atlanta didn’t have my bag on the flight on time and they don’t have to provide Delta a reason for that.

6.0 GoodRafiq, May 2026
ATL - GSP
Read more Delta reviews

For some reason, TSA Atlanta didn’t have my bag on the flight on time and they don’t have to provide Delta a reason for that.

WiFi didn’t work on two of four planes. Flight attendants were not overly friendly or welcoming. Planes were extremely slow to board and deplane.

Delta does a great job with entertainment and free wifi. I can still be in touch with my colleagues while in the air.

Aside from a completely packed plane, I really have no complaints.

Bus to plane was delayed for no apparent reason and our luggage was still on the belt when they shut it off. Took about 20 minutes to turn it back on to get our luggage.

It was a pleasant surprise to have complimentary Wi-Fi on the flight

Much better than Latam, the worse airline company ever. I hope I don't have the need to fly Latam ever in my life again.

Seats in Delta Main are unbelievably close to the seat in front of. Hard to get a backpack under the seat.

The agent at check in and at the gate were less than thrilled to be at work. I'm not a fan of Kayak's placement on the plane. I got put in the middle seat and none of my preferences were used.

In ATL they have two sets of departure screens. Follow what is on your airline's departure board - the ATL Airport Authority departure board had completely incorrect details about the gate assignment for my flight, which would have made me miss boarding.

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

Information on your arrival and departure airports

Helena (HLN)
Boise (BOI)