BOI - HLN

$221 Find Cheap Flights from Boise to Helena

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Boise to Helena departing on 7/20. 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

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

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Boise to Helena, 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 Boise to Helena, as well as popular online travel agencies
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Flights Deals

Cheap Flights from Boise to Helena (BOI-HLN)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Boise to Helena 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 Boise to Helena

Sun, Jun 29 - Thu, Jul 3
Delta Logo
6:10 pm - 10:58 pmBOI-HLN
4h 48m1 stop
Delta Logo
1:07 pm - 5:13 pmHLN-BOI
4h 06m1 stop
$481Delta
Find Deal
Tue, Jul 1 - Sat, Jul 5
Delta Logo
6:10 pm - 10:58 pmBOI-HLN
4h 48m1 stop
Delta Logo
5:44 am - 9:29 amHLN-BOI
3h 45m1 stop
$491Delta
Find Deal
Tue, Jul 1 - Sat, Jul 5
Alaska Airlines Logo
5:46 pm - 3:31 pmBOI-HLN
21h 45m2 stops
Alaska Airlines Logo
4:09 pm - 10:46 pmHLN-BOI
6h 37m1 stop
$607Alaska Airlines
Find Deal
Tue, Jul 1 - Sat, Jul 5
Alaska Airlines Logo
5:46 pm - 3:31 pmBOI-HLN
21h 45m2 stops
Alaska Airlines Logo
4:09 pm - 9:13 amHLN-BOI
17h 04m2 stops
$654Alaska Airlines
Find Deal
Sun, Jun 29 - Thu, Jul 3
Alaska Airlines Logo
7:12 am - 3:31 pmBOI-HLN
8h 19m2 stops
Alaska Airlines Logo
4:09 pm - 10:46 pmHLN-BOI
6h 37m1 stop
$687Alaska Airlines
Find Deal
Sun, Jun 29 - Thu, Jul 3
Alaska Airlines Logo
7:12 am - 3:31 pmBOI-HLN
8h 19m2 stops
Alaska Airlines Logo
4:09 pm - 4:48 pmHLN-BOI
24h 39m2 stops
$734Alaska Airlines
Find Deal
Useful Info

KAYAK's insights & trends for Boise to Helena flights

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

What’s the cheapest day of the week to fly from Boise to Helena?

The average price of all round-trip flights from Boise to Helena clicked on KAYAK for each day over the last 12 months.

When flying from Boise to Helena, you should consider leaving on a Wednesday and avoid Sundays if you are looking for the best rates. For your return to Boise, you’ll find the best rates on Tuesdays and the most expensive ones on Fridays.

What is the cheapest month to fly from Boise to Helena?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Boise to Helena, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Boise to Helena is March, where tickets cost $173 (return) on average. On the other hand, the most expensive months are October and September, where the average cost of round-trip tickets is $810 and $722 respectively.

Good to know

Low seasonJanuary
High seasonAugust
Cheapest flight$221
Best time to beat the crowds with an average 20% drop in price.
Most popular time to fly and prices are also 35% lower on average.
Flight from Boise to Helena

When to book flights from Boise to Helena

Are your dates flexible? Find out the best times to travel from Boise to Helena 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 Boise to Helena

  • What is the cheapest flight from Boise to Helena?

    In the last 3 days, the lowest price for a flight from Boise to Helena was $221 for a one-way ticket and $481 for a round-trip.

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

    No, a passport isn't needed to fly from Boise to Helena. However, local authorities might ask for an official ID.

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

    On your way to Helena, you’ll fly out from Boise Air Term. Gowen Fld. You’ll be landing at Helena.

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

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

  • Which airline alliances offer flights from Boise to Helena?

    Star Alliance, oneworld, and SkyTeam are the airline alliances operating flights between Boise and Helena, with SkyTeam being the most commonly used for this route.

  • Which is the best airline for flights from Boise to Helena, Delta or Alaska Airlines?

    The two airlines most popular with KAYAK users for flights from Boise to Helena are Delta and Alaska Airlines. With an average price for the route of $332 and an overall rating of 8.0, Delta is the most popular choice. Alaska Airlines is also a great choice for the route, with an average price of $534 and an overall rating of 8.0.

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

    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 Boise to Helena.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Helena from Boise 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 Boise to Helena?

    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 Helena with an airline and back to Boise with another airline. Booking your flights between Boise and HLN 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 Boise to Helena?

    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 Helena from Boise up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Top airlines flying from Boise to Helena

 
See real verified KAYAK customer reviews for airlines flying from Boise to Helena. 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 Boise to Helena? 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.
8.0
Alaska AirlinesOverall score based on 10000 reviews
8.5Crew
7.1Entertainment
8.1Boarding
7.1Food
7.8Comfort
Airline reviews

Both flights were delayed due to an incident at SEA. The problem really rests with inadequate customer & plane facilities for Skywest at SEA. You feel like you are in a cattle enclosure. And planes were sitting on taxiways waiting for parking so every plane was late. SEA appears to be over capacity. It is not a fun passenger experience waiting. But crews and flights were all fine. Alaska needs to step up.

8.0 ExcellentAnonymous, Jun 2025TUS - SEA
Read more Alaska Airlines reviews

Both flights were delayed due to an incident at SEA. The problem really rests with inadequate customer & plane facilities for Skywest at SEA. You feel like you are in a cattle enclosure. And planes were sitting on taxiways waiting for parking so every plane was late. SEA appears to be over capacity. It is not a fun passenger experience waiting. But crews and flights were all fine. Alaska needs to step up.

Really good except my daughter's tv broke during the flight so she could watch tv

Staff are helpful and patient. I don’t appreciate the almost 5 hours delay and also the delay of our luggage and being switched from one carousel to another to pick them up.

Delayed. It's not our first flight with them either, it's actually our 3rd and all 3 were delayed by hours each time. It was a myriad of delays. On one flight we boarded after being delayed for a little over an hr, only to be told we were going to sit in the plane for another hour before departing. Once landed, we waited another 40ish min to get to our gate. On another flight, flight was delayed just under 3 hrs but atleast we got to wait it out at the airport terminal. Its just a bad experience overall flying with Alaska Airlines.

Flight was delayed for weather, then delayed for mechanical, then just cancelled. Once mechanical problems started I wish you had just started offering rebooking options (at the same airport). I felt my trip was not a priority for you. I called you, I asked for a better option (than changing airports), then I had to literally run around the airport making it happen. Do better.

Staff were great but we were delayed on the tarmac for over an hour.

Great crew, smooth flight and landing. Wish they would offer Dr. Pepper and a choice of flavors of pretzels.

I would've liked to have the seat tablets like before to view movies, with long travels not everyone carries tablets to view movies. And phones are not worth it because screens to small.

It was horrible. Last minute gate change, delays, more delays and then we had to wait for a stweardess to onboard. No explanation for the wait. No apologies. We got to RDM way past schedule @ 1:30 am!!!! Stressful and exhausting. We'd avoid flying Alaska ever again.

The flight was short and smooth. The crew was friendly and courteous.

The flight was scheduled for 2:30 PM. Early in the morning we got a text message saying the flight was delayed and rescheduled for 3:00 PM. We got to the airport with that in mind. Then we got a message during check-in at the flight was rescheduled again for 2:30 PM. We almost missed our flight. In fact, our bags Were told that they would not make it. At the end, everything worked out. But it is very stressful.

Most aspects were good however if they assign boarding zones they ought to enforce them or why bother? My luggage from SAN-JFK-MAD was lost in NY so I without my main bag for two days upon arrival in Spain. They were helpful in tracking it and eventually delivered it to my hotel. The flub was because of a delay upon arrival in NYC. I had booked 2 1/2 hours between flights but we had to hold on the taxiway for an hour after landing while waiting for a clear gate which likely caused the baggage error.

Excellent check-in. Crew was good. Excellent communication from flight deck.

Great overall. There was a bit of turbulence so they could only serve water because too much turbulence for the carts. Was glad they prioritized safety though

Excellent flight, the planes were newer, they did a nice job with boarding, great service overall.

Great service. Flight was delayed while we sat on the runway for a couple of hours. Weather related. Staff made is very bearable. The steward servicing the first class cabin was exceptional. Thank you! 💗

5 hours of delay that could've been much shorter if Delta had taken the 1 hour delay they imposed on the flight before boarding to run any of the plane checks required for flight to find the hydraulic issue that required nearly 3 hours to fix. $24 of meal credit buys a sandwich and a soft drink. Poor communication within the terminal about what gate we'd be re-boarding from and when we'd be re-boarding.

Amazing flight! I have never noticed the uniforms of the attendants before in twenty years of flying except today when one female had the most amazing dress on. It was beautifully designed and showed she was in charge. I never dreamed I would google who designed Delta uniforms . The ultimate compliment is when another woman admires your outfit. . I hope your designer puts it on the market

It would be nice if was given wires ear buds. Overall was a good experience was able to sleep on the plane

My flight was 6 pm 6/6. Every hour they delayed it again - air condition issues then no pilot then the crew had worked too many hours and cancelled the flight at 11 pm. Sent customers to NJ a 45 minutes uber ride to a hotel. Had to be back by 5 am for a 7 am flight and again no pilot etc with another three hours of delays.

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

Information on your arrival and departure airports

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