CHI - GTF

$259 Find Cheap Flights from Chicago to Great Falls - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$328
Typical prices: $312-$548
Delta
Tue 10/2Wed 10/10
ORD - GTF • 1 stop
Cheapest one-way
$259
Typical prices: $214-$253
Alaska Airlines
Tue 10/23
ORD - GTF • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Chicago and Great Falls. You'll need to take a connecting flight to reach the destination.
Insights
Insights
Top routes
ORD - GTF
Cheapest • 34% average savings
MDW - GTF
Most popular
Insights
Insights
When to travel
February
Cheapest • 31% price drop
July
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Salt Lake City (SLC)
Cheapest • Avg $417 (round-trip)
Minneapolis St Paul (MSP)
Shortest trip • 5h 23m (one-way)
Insights
Insights
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Flight Deals

Cheap Flights from Chicago to Great Falls (CHI-GTF)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Chicago to Great Falls

Fri, Oct 2 - Sat, Oct 10
Delta Logo
7:45 am - 12:35 pmORD  Chicago O'Hare Intl-GTF Great Falls
5h 50m1 stop Salt Lake City
Delta Logo
1:18 pm - 10:05 pmGTF  Great Falls-ORD Chicago O'Hare Intl
7h 47m1 stop Salt Lake City
$328Delta
Fri, Oct 2 - Sat, Oct 10
Delta Logo
7:05 am - 5:41 pmORD  Chicago O'Hare Intl-GTF Great Falls
11h 36m2 stops Detroit Metropolitan Wayne County Salt Lake City
Delta Logo
1:18 pm - 10:05 pmGTF  Great Falls-ORD Chicago O'Hare Intl
7h 47m1 stop Salt Lake City
$334Delta
Sat, Oct 24 - Sat, Oct 31
Delta Logo
7:35 am - 12:38 pmORD  Chicago O'Hare Intl-GTF Great Falls
6h 03m1 stop Salt Lake City
Delta Logo
1:18 pm - 10:05 pmGTF  Great Falls-ORD Chicago O'Hare Intl
7h 47m1 stop Salt Lake City
$378Delta
Sat, Oct 24 - Sat, Oct 31
Delta Logo
7:35 am - 12:38 pmORD  Chicago O'Hare Intl-GTF Great Falls
6h 03m1 stop Salt Lake City
Delta Logo
1:18 pm - 11:57 pmGTF  Great Falls-ORD Chicago O'Hare Intl
9h 39m2 stops Salt Lake City Atlanta Hartsfield-Jackson
$384Delta
Thu, Sep 24 - Mon, Sep 28
United Airlines Logo
2:30 pm - 9:22 pmORD  Chicago O'Hare Intl-GTF Great Falls
7h 52m1 stop Denver Intl
United Airlines Logo
2:37 pm - 9:18 pmGTF  Great Falls-ORD Chicago O'Hare Intl
5h 41m1 stop Denver Intl
$398United Airlines
Sat, Oct 24 - Sat, Oct 31
Delta Logo
7:35 am - 12:38 pmORD  Chicago O'Hare Intl-GTF Great Falls
6h 03m1 stop Salt Lake City
Delta Logo
1:18 pm - 10:05 pmGTF  Great Falls-ORD Chicago O'Hare Intl
7h 47m1 stop Salt Lake City
$398Delta
Sat, Oct 24 - Sat, Oct 31
Delta Logo
7:35 am - 12:38 pmORD  Chicago O'Hare Intl-GTF Great Falls
6h 03m1 stop Salt Lake City
Delta Logo
1:18 pm - 11:57 pmGTF  Great Falls-ORD Chicago O'Hare Intl
9h 39m2 stops Salt Lake City Atlanta Hartsfield-Jackson
$404Delta
Tue, Sep 29 - Sat, Oct 3
United Airlines Logo
7:00 am - 1:41 pmORD  Chicago O'Hare Intl-GTF Great Falls
7h 41m1 stop Denver Intl
United Airlines Logo
2:37 pm - 9:52 pmGTF  Great Falls-ORD Chicago O'Hare Intl
6h 15m1 stop Denver Intl
$418United Airlines
Sat, Oct 24 - Sat, Oct 31
Delta Logo
7:35 am - 12:38 pmORD  Chicago O'Hare Intl-GTF Great Falls
6h 03m1 stop Salt Lake City
Delta Logo
5:40 am - 12:01 pmGTF  Great Falls-ORD Chicago O'Hare Intl
5h 21m1 stop Salt Lake City
$418Delta
Sat, Oct 24 - Sat, Oct 31
United Airlines Logo
4:20 pm - 9:22 pmORD  Chicago O'Hare Intl-GTF Great Falls
6h 02m1 stop Denver Intl
United Airlines Logo
2:45 pm - 11:59 pmGTF  Great Falls-ORD Chicago O'Hare Intl
8h 14m1 stop Denver Intl
$418United Airlines
Booking Insights

Price, demand and travel trends for Chicago to Great Falls flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Chicago to Great Falls with more confidence.

How much is a round-trip flight from Chicago to Great Falls?

Round-trip flights from Chicago to Great Falls start at $328. Prices are typical for this route right now, with typical round-trip fares ranging from $312 to $548. The lowest price found in the past 5 days was $328 on Delta.

What is the cheapest Chicago to Great Falls flight route?

Chicago O'Hare Intl Airport (ORD) to Great Falls (GTF) is the cheapest Chicago to Great Falls route, averaging $382 round-trip. Other Chicago to Great Falls routes average $768, based on KAYAK data over the past 12 months.

What's the cheapest day of the week to fly from Chicago to Great Falls?

Tuesday is the cheapest day of the week to fly from Chicago to Great Falls, it is 31% cheaper than the average day. Sunday is the most expensive day with flight prices 290% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Chicago to Great Falls?

  • February is the cheapest month to fly from Chicago to Great Falls at $264 round-trip.
  • June ($662) and July ($558) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 150% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for Chicago to Great Falls flights

Low season

February

Cheapest flight

$259
Best time to beat the crowds with an average 31% drop in price.
Most popular time to fly with an average 46% increase in price.
Flight from Chicago O'Hare Intl Airport to Great Falls

When to book flights from Chicago to Great Falls

Are your dates flexible? Find out the best times to travel from Chicago to Great Falls based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Chicago to Great Falls flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airlines offer extra legroom and free seat selection on Chicago to Great Falls flights?

    Among airlines operating Chicago to Great Falls flights:

    • United Airlines: offers extra legroom; offers free seat selection

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

  • Which airports can I use when flying from Chicago to Great Falls?

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

  • Which airlines include bags at no extra cost on Chicago to Great Falls flights?

    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 Economy Class

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

  • What cabin classes can I book on flights from Chicago to Great Falls?

    Only Economy Class is available on flights from Chicago to Great Falls.

  • How much can I save by taking a layover when flying from Chicago to Great Falls?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $417 round-trip via Salt Lake City (SLC), compared to $558 for nonstop.

  • What is the standard checked-bag allowance on flights from Chicago to Great Falls?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$80 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which airports do connecting flights from Chicago to Great Falls pass through?

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

    • Denver Intl (DEN) - 50% of one-stop connections
    • Salt Lake City (SLC) - 44% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 4% of one-stop connections
    • Minneapolis St Paul (MSP) - 2% of one-stop connections

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

  • Can I save money by using flexible dates for flights from Chicago to Great Falls?

    Yes. Being flexible with your travel dates can save you up to 83% on the Chicago to Great Falls route. Tuesday is the cheapest departure day at $264 round-trip on average, while Sunday is the most expensive at $1,491, a difference of $1,227. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How long is a flight from Chicago to Great Falls?

    A nonstop flight from Chicago to Great Falls takes 0h 00m, covering 1,223 miles.

  • Do I need a passport to fly from Chicago to Great Falls?

    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.

  • Have flight prices from Chicago to Great Falls changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $328 to $1,585. That means the highest observed fare was about 5x higher than the lowest one.

  • How are flight prices from Chicago to Great Falls looking right now?

    One-way fares from Chicago to Great Falls are currently higher than usual. Average one-way flight prices are about $311, which is 38% above the typical average for this route.

  • How much time can I save by choosing a different layover airport from Chicago to Great Falls?

    Flying via Minneapolis St Paul (MSP) gives the shortest average 1-stop total travel time at 5h 23m, compared with 6h 23m via Salt Lake City (SLC) and 6h 47m via Denver Intl (DEN).

  • What is the time difference between Chicago and Great Falls?

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

  • What car rental options are available at Great Falls Airport (GTF)?

    Great Falls Airport (GTF) hosts 5 major car rental companies, with daily rates starting from around $23 for economy cars. Top options include:
    • Avis
    • Budget
    • Alamo
    • Hertz
    • Enterprise Rent-A-Car

  • How much should I expect to pay for a Chicago to Great Falls flight?

    Round-trip flights from Chicago to Great Falls range from $312 to $548, with an average of $382 over the past 12 months. Anything below $312 counts as a good deal.

Your guide to booking Chicago to Great Falls flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Tuesday departure instead of Sunday. On this route, Tuesday flights average $264 - about $1,227 less than Sunday (82% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Chicago to Great Falls trip for February. Fares historically average $264 round-trip in that month - typically $398 less than the most expensive month, which is June (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Salt Lake City Airport (SLC) can be cheaper than flying direct. The cheapest layover option averages $417 round-trip on this route - about $141 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Great Falls Airport.
    - Crystal Inn Hotel & Suites - Great Falls
    - Hilton Garden Inn Great Falls
    - Hampton Inn Great Falls

More options for your flight from Chicago to Great Falls

Complete your trip to Great Falls with a hotel stay or car rental

Car rentals in Great Falls
Hotels in Great Falls
Vacations in Great Falls