Cheap flights from Chicago O'Hare Intl Airport to Helena from $253
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 O'Hare Intl Airport to Helena departing on 7/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Deals available from 900+ travel sites.
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Chicago O'Hare Intl Airport to Helena
Cheap round-trip flights
Cheap one-way flights
Alaska Airlines flights from Chicago O'Hare Intl Airport to Helena
Our best Alaska Airlines deals on Chicago O'Hare Intl Airport to Helena flight tickets
Delta flights from Chicago O'Hare Intl Airport to Helena
Our best Delta deals on Chicago O'Hare Intl Airport to Helena flight tickets
See travel insights to Helena from
How to get the cheapest flight ticket from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport 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 O'Hare Intl Airport 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 O'Hare Intl to Helena?
Alaska Airlines, United Airlines, and Delta are the most popular carriers operating from Chicago O'Hare Intl 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 O'Hare Intl Airport according to our data. United Airlines is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Helena. Keep in mind that there are 6 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 O'Hare Intl Airport to Helena
Cheap Chicago O'Hare Intl Airport to Helena (ORD to HLN) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Helena
How far is Chicago O'Hare Intl to Helena by plane?
Helena is 1229.2 mi away from Chicago O'Hare Intl. Typically, this will take 6h 13m by plane in normal conditions.
When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Helena Airport?
Prices for flights from Chicago O'Hare Intl Airport to Helena Airport were last updated today.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Helena Airport?
As of February 2025, there is 1 operator available to choose from for flights from Chicago O'Hare Intl Airport to Helena Airport.
How old do you have to be to fly from Chicago O'Hare Intl Airport to Helena Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago O'Hare Intl Airport to Helena Airport.
What documentation or ID do you need to fly to Helena Airport?
The necessary travel and health documents for your Helena Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Chicago O'Hare Intl Airport to Helena?
Based on momondo bookings for flights between Chicago O'Hare Intl Airport and Helena, the leading airline is United Airlines, making up 100% of the total bookings.
Best airlines flying from Chicago O'Hare Intl Airport to Helena
Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Helena with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $534 | Free Cancellation | Rating 7.4 8,765 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Chicago to Helena?
It is quick and easy to find Chicago to Helena 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 Helena that suits you.
Can I find flights from Chicago to Helena with flexible booking policies on momondo?
momondo does allow users to show only those flights to Helena from Chicago which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Chicago to Helena?
Once all potential Chicago to Helena flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Chicago to Helena right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Helena from Chicago. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.