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GTF - ORD

$265 Find Cheap Flights from Great Falls to Chicago - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$348
Typical prices: $357-$628
Delta
Wed 11/14Sun 11/18
GTF - ORD • 1 stop
Cheapest one-way
$265
Typical prices: $265-$310
Alaska Airlines
Fri 10/26
GTF - ORD • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Great Falls and Chicago O'Hare Intl Airport. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
September
Cheapest • 38% price drop
June
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Salt Lake City (SLC)
Cheapest • Avg $422 (round-trip)
Denver Intl (DEN)
Shortest trip • 6h 30m (one-way)
Insights
Insights
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We hope you love your trip to Chicago O'Hare Intl Airport!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Great Falls to O'Hare Intl (GTF-ORD)

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

Recent round-trip flight deals from Great Falls to O'Hare Intl

Thu, Nov 19 - Thu, Nov 26
Delta Logo
1:21 pm - 9:47 pmGTF  Great Falls-ORD Chicago O'Hare Intl
7h 26m1 stop Salt Lake City
Delta Logo
2:44 pm - 7:40 pmORD  Chicago O'Hare Intl-GTF Great Falls
5h 56m1 stop Salt Lake City
$348Delta
Sat, Nov 14 - Wed, Nov 18
Delta Logo
1:21 pm - 9:47 pmGTF  Great Falls-ORD Chicago O'Hare Intl
7h 26m1 stop Salt Lake City
Delta Logo
7:30 am - 12:41 pmORD  Chicago O'Hare Intl-GTF Great Falls
6h 11m1 stop Salt Lake City
$348Delta
Thu, Oct 29 - Sun, Nov 1
United Airlines Logo
2:45 pm - 11:59 pmGTF  Great Falls-ORD Chicago O'Hare Intl
8h 14m1 stop Denver Intl
United Airlines Logo
7:00 am - 1:49 pmORD  Chicago O'Hare Intl-GTF Great Falls
7h 49m1 stop Denver Intl
$348United Airlines
Sat, Nov 14 - Wed, Nov 18
United Airlines Logo
2:45 pm - 9:30 pmGTF  Great Falls-ORD Chicago O'Hare Intl
5h 45m1 stop Denver Intl
United Airlines Logo
2:30 pm - 9:38 pmORD  Chicago O'Hare Intl-GTF Great Falls
8h 08m1 stop Denver Intl
$348United Airlines
Thu, Dec 24 - Fri, Jan 8
Delta Logo
1:16 pm - 9:30 pmGTF  Great Falls-ORD Chicago O'Hare Intl
7h 14m1 stop Salt Lake City
Delta Logo
5:15 pm - 10:53 pmORD  Chicago O'Hare Intl-GTF Great Falls
6h 38m1 stop Salt Lake City
$348Delta
Sat, Oct 24 - Sat, Oct 31
United Airlines Logo
2:37 pm - 9:52 pmGTF  Great Falls-ORD Chicago O'Hare Intl
6h 15m1 stop Denver Intl
United Airlines Logo
4:20 pm - 9:38 pmORD  Chicago O'Hare Intl-GTF Great Falls
6h 18m1 stop Denver Intl
$348United Airlines
Thu, Dec 24 - Fri, Jan 8
Delta Logo
1:16 pm - 9:30 pmGTF  Great Falls-ORD Chicago O'Hare Intl
7h 14m1 stop Salt Lake City
Delta Logo
7:10 am - 5:43 pmORD  Chicago O'Hare Intl-GTF Great Falls
11h 33m2 stops Atlanta Hartsfield-Jackson Salt Lake City
$354Delta
Sun, Oct 18 - Wed, Oct 21
Multiple Airlines Logo
9:51 am - 12:59 amGTF  Great Falls-ORD Chicago O'Hare Intl
14h 08m1 stop Phoenix-Mesa Gateway
Multiple Airlines Logo
7:40 am - 9:01 amORD  Chicago O'Hare Intl-GTF Great Falls
26h 21m2 stops Houston George Bush Intcntl Phoenix Sky Harbor Intl
$506Multiple Airlines
Mon, Oct 12 - Fri, Oct 16
Alaska Airlines Logo
5:15 pm - 5:40 amGTF  Great Falls-ORD Chicago O'Hare Intl
11h 25m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:16 pm - 4:35 pmORD  Chicago O'Hare Intl-GTF Great Falls
22h 19m1 stop Seattle/Tacoma Intl
$530Alaska Airlines
Thu, Dec 3 - Sun, Dec 6
Multiple Airlines Logo
11:32 am - 10:30 amGTF  Great Falls-ORD Chicago O'Hare Intl
21h 58m1 stop Phoenix-Mesa Gateway
Multiple Airlines Logo
6:21 am - 10:49 amORD  Chicago O'Hare Intl-GTF Great Falls
29h 28m1 stop Las Vegas Harry Reid Intl
$576Multiple Airlines
Booking Insights

Price, demand and travel trends for Great Falls to Chicago O'Hare Intl Airport flights

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

How much is a round-trip flight from Great Falls to Chicago O'Hare Intl Airport?

Round-trip flights from Great Falls to Chicago O'Hare Intl Airport typically range from $357 to $628. The lowest price found in the past 5 days was $348, on Delta.

What's the cheapest day of the week to fly from Great Falls to Chicago O'Hare Intl Airport?

Based on deals KAYAK users found in the last 12 months, Friday is the cheapest day of the week to fly from Great Falls to Chicago O'Hare Intl Airport. It’s 39% cheaper than the average day, while Monday is the most expensive, with prices 33% higher.

Find deals

Key details for Great Falls to Chicago O'Hare Intl Airport flights

Low season

December

Cheapest flight

$265
Beat the crowds with an average 68% drop in travelers.
One-way flight from Great Falls to Chicago O'Hare Intl Airport

When to book flights from Great Falls to O'Hare Intl

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

Your Great Falls to Chicago O'Hare Intl Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Great Falls to Chicago O'Hare Intl Airport?

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

    • Economy Class
    • First Class

  • How long is a flight from Great Falls to Chicago O'Hare Intl Airport?

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

  • Do I need a passport to fly from Great Falls to Chicago O'Hare Intl Airport?

    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.

  • How much should I expect to pay for a Great Falls to Chicago O'Hare Intl Airport flight?

    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.

  • How much can I save by taking a layover when flying from Great Falls to Chicago O'Hare Intl Airport?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $422 round-trip via Salt Lake City (SLC), compared to $628 for nonstop.

  • What is the standard checked-bag allowance on flights from Great Falls to Chicago O'Hare Intl Airport?

    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.

  • Have flight prices from Great Falls to Chicago O'Hare Intl Airport 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 $348 to $2,230. That means the highest observed fare was about 6x higher than the lowest one.

  • How are flight prices from Great Falls to Chicago O'Hare Intl Airport looking right now?

    One-way fares from Great Falls to Chicago O'Hare Intl Airport are currently higher than usual. Average one-way flight prices are about $445, which is 67% above the typical average for this route.

  • What car rental options are available at Chicago O'Hare Intl Airport (ORD)?

    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

  • Which airports can I use when flying from Great Falls to Chicago O'Hare Intl Airport?

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

  • Which airports do connecting flights from Great Falls to Chicago O'Hare Intl Airport pass through?

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

    • Salt Lake City (SLC) - 48% of one-stop connections
    • Denver Intl (DEN) - 45% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 6% of one-stop connections

  • Can I save money by using flexible dates for flights from Great Falls to Chicago O'Hare Intl Airport?

    Yes. Flexible dates can save you up to 54% on flights from Great Falls to Chicago O'Hare Intl Airport. 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.

  • How much time can I save by choosing a different layover airport from Great Falls to Chicago O'Hare Intl Airport?

    Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 6h 17m, compared with 6h 30m via Denver Intl (DEN) and 13h 36m via Seattle/Tacoma Intl (SEA).

  • What is the time difference between Great Falls and Chicago O'Hare Intl Airport?

    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.

  • What popular places can I visit in Chicago O'Hare Intl Airport?

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

  • Which airlines offer extra legroom and free seat selection on Great Falls to Chicago O'Hare Intl Airport flights?

    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.

  • Which airlines include bags at no extra cost on Great Falls to Chicago O'Hare Intl Airport 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 First Class

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

Your guide to booking Great Falls to Chicago O'Hare Intl Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Friday departure and avoid flying on Monday. On this route, Friday flights average $328, about $379 less than Monday fares (54% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Great Falls to Chicago O'Hare Intl Airport trip for September. Fares historically average $328 round-trip in that month - typically $310 less than the most expensive month, which is December (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 $422 round-trip on this route - about $206 less than direct flights (based on the last 12 months).

More options for your flight from Great Falls to O'Hare Intl

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