$328 Find Cheap Flights from Great Falls to Chicago - Compare and Save

Among airlines operating Great Falls to Chicago O'Hare Intl Airport flights:

• United Airlines: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Flights from Great Falls to Chicago O'Hare Intl Airport usually depart from Great Falls (GTF) and arrive at Chicago O'Hare Intl (ORD).

Here are some options for this route, based on selected ticket types and cabin classes:

• United Airlines: a cabin bag and a checked bag in First Class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Two cabin classes are available on flights from Great Falls to Chicago O'Hare Intl Airport:

• Economy Class
• First Class

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $373 round-trip via Seattle/Tacoma Intl (SEA), compared to $628 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $80–$80 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

One-stop flights from Great Falls to Chicago O'Hare Intl Airport most commonly connect through:

• Denver Intl (DEN) - 63% of one-stop connections
• Salt Lake City (SLC) - 33% of one-stop connections
• Seattle/Tacoma Intl (SEA) - 3% of one-stop connections

Denver Intl (DEN) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 54% on the Great Falls to Chicago O'Hare Intl Airport route. Friday is the cheapest departure day at $328 round-trip on average, while Monday is the most expensive at $707, a difference of $379. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Some of the most popular sights in Chicago O'Hare Intl Airport are Magnificent Mile, Grant Park and River North. These are among the most viewed places in Chicago O'Hare Intl Airport on KAYAK.

A nonstop flight from Great Falls to Chicago O'Hare Intl Airport takes 0h 00m, covering 1,207 miles.

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.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $328 to $1,766. That means the highest observed fare was about 5x higher than the lowest one.

One-way fares from Great Falls to Chicago O'Hare Intl Airport are currently higher than usual. Average one-way flight prices are about $587, which is 121% above the typical average for this route.

Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 6h 07m, compared with 6h 23m via Denver Intl (DEN) and 11h 49m via Seattle/Tacoma Intl (SEA).

Chicago O'Hare Intl Airport is 1 hour ahead of Great Falls (Central Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

Chicago O'Hare Intl Airport (ORD) hosts 5 major car rental companies, with daily rates starting from around $17 for economy cars. Top options include:
· Routes Car & Truck Rentals
· Europcar
· Hertz
· Dollar
· Ace

Round-trip flights from Great Falls to Chicago O'Hare Intl Airport range from $357 to $628, with an average of $530 over the past 12 months. Anything below $357 counts as a good deal.