$268 Find Cheap Flights from Helena to Chicago - Compare and Save

Only Economy Class is available on flights from Helena to Chicago.

There are currently no nonstop flights available from Helena to Chicago. Flights with 1 layover take between 6h 18m and 11h 41m in total, depending on the connection.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Round-trip flights from Helena to Chicago range from $424 to $529, with an average of $445 over the past 12 months. Anything below $424 counts as a good deal.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $379 to $1,604. That means the highest observed fare was about 4x higher than the lowest one.

One-way fares from Helena to Chicago are currently higher than usual. Average one-way flight prices are about $453, which is 34% above the typical average for this route.

Since Chicago is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
Near Chicago O'Hare Intl Airport (ORD) — daily rates averaging $64:

• Routes Car & Truck Rentals
• Europcar
• Hertz
• Ace
• Dollar

Near Chicago Midway Airport (MDW) — daily rates averaging $84:

• Hertz
• Dollar
• Budget
• Alamo
• Rent-A-Wreck

Near Chicago Greater Rockford Airport (RFD) — daily rates averaging $81:

• Alamo
• Enterprise Rent-A-Car
• Budget
• Avis
• National

Flights from Helena to Chicago usually depart from Helena (HLN) and may arrive at several airports in Chicago area, including Chicago Midway (MDW), Chicago O'Hare Intl (ORD) and Chicago Greater Rockford (RFD).

One-stop flights from Helena to Chicago most commonly connect through:

• Denver Intl (DEN) - 76% of one-stop connections
• Salt Lake City (SLC) - 20% of one-stop connections
• Seattle/Tacoma Intl (SEA) - 4% of one-stop connections

Yes. Flexible dates can save you up to 44% on flights from Helena to Chicago. Tuesday is the cheapest departure day at $424 round-trip on average, while Monday is the most expensive at $755, a difference of $331.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 6h 18m, compared with 7h 03m via Denver Intl (DEN) and 11h 41m via Seattle/Tacoma Intl (SEA).

Chicago is 1 hour ahead of Helena (Central Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in Chicago are Magnificent Mile, Grant Park and Soldier Field. These are among the most viewed places in Chicago on KAYAK.