Cheap flights from Chicago to Helena from $294
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Helena departing on 7/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Chicago 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 day to depart on your flight to Helena?
The cheapest day to depart from Chicago to Helena is on a Wednesday. Travelers who choose to depart for Helena on a Wednesday will often find tickets for as low as $477. The most expensive day to fly to Helena is Monday, with ticket prices averaging around $1,040.
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 morning. momondo users have found flights departing from Chicago to Helena in the morning for as low as $557. 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 afternoon when prices are around $863.
What is the cheapest airline that flies from Chicago to Helena?
Alaska Airlines, Delta, and United Airlines are the most popular carriers operating from Chicago to Helena
What airlines fly to Helena?
United Airlines, American Airlines and Alaska Airlines are the top three most popular airlines that fly to Helena from Chicago according to our data. United Airlines is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Helena. Keep in mind that there are 5 different airlines that fly to Helena on a routine basis, so you have a few additional options to choose from.
When to book flights from Chicago to Helena
Cheap Chicago to Helena (CHI to HLN) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago to Helena
How far is Chicago to Helena by plane?
A flight from Chicago to Helena will travel around 1245.1 mi. By plane, this route typically takes 5h 30m.
When did momondo last update prices for flights from Chicago to Helena Airport?
Prices for flights from Chicago to Helena Airport were last updated today.
How many operators does momondo search for flights from Chicago to Helena Airport?
The number of operators available for flights from Chicago to Helena Airport is 1 as of July 2025.
How old do you have to be to fly from Chicago to Helena Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Helena Airport.
What documentation or ID do you need to fly to Helena Airport?
The travel and health documents you'll need for your trip to Helena Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Helena Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Chicago to Helena?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Chicago to Helena is Delta (62% of total bookings). The next most popular airline is Alaska Airlines (38%).
Best airlines flying from Chicago to Helena
Compare and see reviews for airlines that fly from Chicago to Helena with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $426 | Free Cancellation | Rating 7.4 8,861 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Chicago to Helena?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Chicago to Helena for you.
Can I find flights from Chicago to Helena with flexible booking policies on momondo?
Yes. All flights to Helena from Chicago on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Chicago to Helena?
Once you have performed a search for Chicago to Helena flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Chicago to Helena right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Chicago to Helena now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Helena and let you know when they change.