GTF - ORD

$300 Find Cheap Flights from Great Falls to Chicago - 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: $357-$628
United Airlines
Fri 11/9Wed 11/14
GTF - ORD • 1 stop
Cheapest one-way
$356
Typical prices: $265-$310
United Airlines
Thu 9/6
GTF - ORD • 1 stop
Nonstop flights
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
Cheapest • 38% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $373 (round-trip)
Shortest trip • 6h 07m (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

Mon, Nov 9 - Sat, Nov 14
United Airlines Logo
2:45 pm - 10:46 pmGTF  Great Falls-ORD Chicago O'Hare Intl
7h 01m1 stop Denver Intl
United Airlines Logo
3:56 pm - 9:38 pmORD  Chicago O'Hare Intl-GTF Great Falls
6h 42m1 stop Denver Intl
$328United Airlines
Mon, Nov 9 - Sat, Nov 14
Delta Logo
1:13 pm - 9:47 pmGTF  Great Falls-ORD Chicago O'Hare Intl
7h 34m1 stop Salt Lake City
Delta Logo
5:30 am - 5:41 pmORD  Chicago O'Hare Intl-GTF Great Falls
13h 11m2 stops Atlanta Hartsfield-Jackson Salt Lake City
$334Delta
Mon, Nov 9 - Sat, Nov 14
Delta Logo
1:13 pm - 11:59 pmGTF  Great Falls-ORD Chicago O'Hare Intl
9h 46m2 stops Salt Lake City Atlanta Hartsfield-Jackson
Delta Logo
5:30 am - 5:41 pmORD  Chicago O'Hare Intl-GTF Great Falls
13h 11m2 stops Atlanta Hartsfield-Jackson Salt Lake City
$339Delta
Sat, Sep 26 - Wed, Sep 30
Delta Logo
5:40 am - 11:55 amGTF  Great Falls-ORD Chicago O'Hare Intl
5h 15m1 stop Salt Lake City
Delta Logo
8:25 am - 5:41 pmORD  Chicago O'Hare Intl-GTF Great Falls
10h 16m2 stops Minneapolis St Paul Salt Lake City
$364Delta
Tue, Sep 1 - Sat, Sep 5
United Airlines Logo
6:15 am - 3:00 pmGTF  Great Falls-ORD Chicago O'Hare Intl
7h 45m1 stop Denver Intl
United Airlines Logo
4:26 pm - 9:12 pmORD  Chicago O'Hare Intl-GTF Great Falls
5h 46m1 stop Denver Intl
$398United Airlines
Tue, Sep 1 - Sat, Sep 5
United Airlines Logo
2:25 pm - 9:29 pmGTF  Great Falls-ORD Chicago O'Hare Intl
6h 04m1 stop Denver Intl
United Airlines Logo
6:00 am - 1:29 pmORD  Chicago O'Hare Intl-GTF Great Falls
8h 29m1 stop Denver Intl
$398United Airlines
Thu, Sep 10 - Sat, Sep 19
United Airlines Logo
2:25 pm - 10:00 pmGTF  Great Falls-ORD Chicago O'Hare Intl
6h 35m1 stop Denver Intl
United Airlines Logo
2:32 pm - 9:12 pmORD  Chicago O'Hare Intl-GTF Great Falls
7h 40m1 stop Denver Intl
$418United Airlines
Fri, Sep 25 - Wed, Sep 30
Alaska Airlines Logo
5:19 pm - 11:59 pmGTF  Great Falls-ORD Chicago O'Hare Intl
29h 40m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
8:00 am - 4:39 pmORD  Chicago O'Hare Intl-GTF Great Falls
9h 39m1 stop Seattle/Tacoma Intl
$505Alaska Airlines
Sun, Aug 30 - Tue, Sep 1
Alaska Airlines Logo
5:18 pm - 6:20 amGTF  Great Falls-ORD Chicago O'Hare Intl
12h 02m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
6:54 pm - 4:38 pmORD  Chicago O'Hare Intl-GTF Great Falls
22h 44m1 stop Seattle/Tacoma Intl
$588Alaska Airlines
Tue, Sep 15 - Fri, Sep 18
Alaska Airlines Logo
5:19 pm - 12:07 pmGTF  Great Falls-ORD Chicago O'Hare Intl
17h 48m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
3:52 pm - 4:39 pmORD  Chicago O'Hare Intl-GTF Great Falls
25h 47m1 stop Seattle/Tacoma Intl
$625Alaska 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 from Great Falls to Chicago O'Hare Intl Airport 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 start at $328. Prices are below average for this route right now, with typical round-trip fares ranging from $357 to $628. The lowest price found in the past 5 days was $328 on United Airlines.

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

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

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

Low season

December

Cheapest flight

$328
Best time to beat the crowds but there is an average 20% increase in price.
Most popular time to fly and prices are also 3% lower on average.
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 route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • 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 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 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 travelers should check the fare details before booking.

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

    Only Economy Class is available on flights from Great Falls to Chicago O'Hare Intl Airport.

  • 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 $373 round-trip via Seattle/Tacoma Intl (SEA), 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.

  • 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:

    • 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.

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

    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.

  • 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 River North. These are among the most viewed places in Chicago O'Hare Intl Airport on KAYAK.

  • 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 0h 00m, covering 1,207 miles.

  • What are the earliest and latest flights from Great Falls to Chicago O'Hare Intl Airport?

    These are the earliest and latest flight times available from Great Falls to Chicago O'Hare Intl Airport:

    • Earliest: departs at 12:00 am and lands at 12:00 am
    • Latest: departs at 12:00 am and lands at 12:00 am.

    The flight takes about 0h 00m.

  • 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.

  • 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 $328 to $2,156. That means the highest observed fare was about 7x 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 $502, which is 89% above the typical average for this route.

  • 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 07m, compared with 6h 23m via Denver Intl (DEN) and 11h 49m 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 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

  • 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.

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 can be flexible, aim for a Friday departure instead of Monday. On this route, Friday flights average $328 - about $379 less than Monday (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 Seattle/Tacoma Intl Airport (SEA) can be cheaper than flying direct. The cheapest layover option averages $373 round-trip on this route - about $255 less than direct flights (based on the last 12 months).

Everything you need to know for your flight from Great Falls to O'Hare Intl

Information on your arrival and departure airports