US$155 Cheap Flights from Chicago to Helena
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Flights from Chicago to Helena
Find cheap one-way flights from Chicago to Helena starting at US$155.
We've found these cheap flights for you. You can book one-way or round-trip flight tickets.
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Round-trip
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One way
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ORD 07:256h 13m1 stopsHLN 12:38Chicago - Helena | Wed, Apr 16 | Delta Air Lines
HLN 05:456h 3m1 stopsORD 12:48Helena - Chicago | Sun, Apr 20 | Delta Air LinesUS$322 US$53540% OFF40% OFFUS$535 US$322 -
ORD 07:408h 59m1 stopsHLN 15:39Chicago - Helena | Tue, Apr 15 | Alaska Airlines
HLN 19:299h 36m1 stopsORD 06:05Helena - Chicago | Tue, Apr 22 | Alaska AirlinesUS$351 US$53534% OFF34% OFFUS$535 US$351 -
ORD 12:007h 49m1 stopsHLN 18:49Chicago - Helena | Wed, Apr 30 | Hawaiian Airlines
HLN 19:299h 36m1 stopsORD 06:05Helena - Chicago | Wed, May 7 | Hawaiian AirlinesUS$351 US$53534% OFF34% OFFUS$535 US$351 -
ORD 07:408h 59m1 stopsHLN 15:39Chicago - Helena | Wed, Apr 9 | Alaska Airlines
HLN 16:196h 40m1 stopsORD 23:59Helena - Chicago | Wed, Apr 16 | Alaska AirlinesUS$35534% OFFUS$535 US$355
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ORD 07:408h 59m1 stopsHLN 15:39Chicago - Helena | Wed, Apr 9 | Hawaiian Airlines
HLN 16:196h 40m1 stopsORD 23:59Helena - Chicago | Wed, Apr 16 | Hawaiian AirlinesUS$35833% OFFUS$535 US$358
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ORD 07:359h 4m1 stopsHLN 15:39Chicago - Helena | Tue, Apr 15 | American Airlines
HLN 19:299h 35m1 stopsORD 06:04Helena - Chicago | Tue, Apr 22 | Alaska AirlinesUS$36232% OFFUS$535 US$362 -
ORD 07:009h 39m1 stopsHLN 15:39Chicago - Helena | Fri, Mar 28 | Alaska Airlines
HLN 16:196h 40m1 stopsORD 23:59Helena - Chicago | Tue, Apr 1 | Alaska AirlinesUS$36532% OFFUS$535 US$365
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ORD 07:408h 59m1 stopsHLN 15:39Chicago - Helena | Tue, Apr 15 | Hawaiian Airlines
HLN 19:299h 36m1 stopsORD 06:05Helena - Chicago | Tue, Apr 22 | Hawaiian AirlinesUS$37131% OFFUS$535 US$371
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MDW 06:457h 45m1 stopsHLN 13:30Chicago - Helena | Wed, Apr 9 | Frontier Airlines
HLN 14:129h 9m1 stopsMDW 00:21Helena - Chicago | Wed, Apr 16 | United AirlinesUS$37231% OFFUS$535 US$372 -
ORD 07:107h 20m1 stopsHLN 13:30Chicago - Helena | Sat, Apr 12 | United Airlines
HLN 16:196h 40m1 stopsORD 23:59Helena - Chicago | Sat, Apr 19 | Hawaiian AirlinesUS$37530% OFFUS$535 US$375 -
CHI 13:0017h 25m1 stopsHLN Invalid DateChicago - Helena | Fri, Mar 21 | Normal Airline
HLN 15:006hNonstopCHI 16:00Helena - Chicago | Sun, Mar 23 | Normal AirlineFind More FlightsFind More Flights
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ORD 07:256h 13m1 stopsHLN 12:38Chicago - Helena | Tue, Apr 22 | Delta Air LinesUS$155 US$37559% OFF59% OFFUS$375 US$155
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ORD 07:3512h 14m1 stopsHLN 18:49Chicago - Helena | Tue, Apr 22 | American AirlinesUS$186 US$37550% OFF50% OFFUS$375 US$186
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ORD 14:357h 50m1 stopsHLN 21:25Chicago - Helena | Tue, Apr 1 | United AirlinesUS$197 US$37548% OFF48% OFFUS$375 US$197
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ORD 07:107h 21m1 stopsHLN 13:31Chicago - Helena | Wed, May 7 | United AirlinesUS$20845% OFFUS$375 US$208
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ORD 07:408h 59m1 stopsHLN 15:39Chicago - Helena | Tue, Apr 1 | Alaska AirlinesUS$21443% OFFUS$375 US$214
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ORD 12:007h 49m1 stopsHLN 18:49Chicago - Helena | Tue, Apr 22 | Alaska AirlinesUS$22640% OFFUS$375 US$226
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ORD 09:0010h 49m1 stopsHLN 18:49Chicago - Helena | Tue, Apr 22 | Hawaiian AirlinesUS$22939% OFFUS$375 US$229
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ORD 07:107h 20m1 stopsHLN 13:30Chicago - Helena | Tue, Apr 22 | United AirlinesUS$23537% OFFUS$375 US$235
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ORD 06:0013h 49m1 stopsHLN 18:49Chicago - Helena | Wed, May 7 | Hawaiian AirlinesUS$26230% OFFUS$375 US$262
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ORD 06:0013h 49m1 stopsHLN 18:49Chicago - Helena | Wed, May 7 | Alaska AirlinesUS$26330% OFFUS$375 US$263
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CHI 13:0017h 25m1 stopsHLN Invalid DateChicago - Helena | Fri, Mar 21 | Normal AirlineFind More FlightsFind More Flights
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
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Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Frequently Asked Questions
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When are flight tickets from Chicago (CHI) to Helena (HLN) the cheapest?
Airlines adjust prices for flights from Chicago to Helena based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays. -
How much do flights from Chicago (CHI) to Helena (HLN) cost?
According to Trip.com's data, the lowest price is around $634.
How to find a cheap flight from Chicago to Helena
Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Chicago to Helena. Book your flights at the right time and save more.
Being flexible with your dates to get the cheapest Chicago to Helena ticket.
Tap "Date" on flight search bar to scan through the calender for Chicago to Helena airfare over next 6 months in 2025. If you would like to fly in next 3 months, it seems the cheapest date is on Tue, Apr 22 at US$155 for one-way flights.
Compare cheap Chicago to Helena flight deals from over hundreds of airlines.
Our extensive search allows you to compare prices from over 500 airlines to choose the cheapest flight tickets from Chicago to Helena. The cheapest airline operating is Delta Air Lines.
Set up a Price Alert
By setting up a Price Alert for your Chicago to Helena route, you can easily track the price of your airline tickets from Chicago to Helena without manually checking every day.
Don't miss cheap Chicago to Helena flight deals and promo codes.
You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights for cheap flights. If registering a free membership, you can receive more deals for your flights.
Book early or wait unitl the last minute.
It's always better to book early. Flight tickets tend to be the cheapest when they are first released, normally about a year before the departure date. So, check online as soon as the flights you want become available. If you miss the cheapest time, you can still find lower-priced tickets as the flight date approaches.
Search for flights on the go.
To get the best flight booking experience on the go, download Trip.com free app and search for cheap flight tickets from Chicago to Helena to get exclusive deals for you.
Chicago to Helena Flight Information
| Cheapest one-way flight price | $154 |
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| Off-season for travel | February |
| Peak season for travel | May |
| Flight distance | 2,000.4 km |
| Popular airline | American Airlines |
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