Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Great Falls to Chicago from $165

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Great Falls to Chicago departing on 10/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Great Falls to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:19 pm - 8:05 am
GTF
-
ORD
12h 46m
2 stops
Delta Logo
7:45 am - 12:40 pm
ORD
-
GTF
5h 55m
1 stop
$324Delta
Sat, Jun 6 - Tue, Jun 9
Delta Logo
5:40 am - 6:33 pm
GTF
-
MDW
11h 53m
2 stops
Delta Logo
6:05 am - 5:42 pm
MDW
-
GTF
12h 37m
2 stops
$329Delta
Fri, Aug 21 - Tue, Aug 25
Delta Logo
1:08 pm - 11:58 pm
GTF
-
ORD
9h 50m
2 stops
Delta Logo
11:26 am - 10:48 pm
ORD
-
GTF
12h 22m
2 stops
$329Delta
Fri, Aug 21 - Tue, Aug 25
United Airlines Logo
2:31 pm - 9:42 pm
GTF
-
ORD
6h 11m
1 stop
United Airlines Logo
4:35 pm - 9:28 pm
ORD
-
GTF
5h 53m
1 stop
$341United Airlines
Fri, Aug 21 - Tue, Aug 25
Delta Logo
6:19 pm - 8:05 am
GTF
-
ORD
12h 46m
2 stops
Delta Logo
8:36 am - 5:44 pm
ORD
-
GTF
10h 08m
2 stops
$354Delta
Sat, Jun 6 - Sat, Jun 13
Alaska Airlines Logo
6:52 pm - 6:20 am
GTF
-
ORD
10h 28m
1 stop
Alaska Airlines Logo
6:00 am - 4:29 pm
ORD
-
GTF
11h 29m
1 stop
$363Alaska Airlines
Sat, Jun 6 - Wed, Jun 10
Delta Logo
1:20 pm - 9:57 pm
GTF
-
ORD
7h 37m
1 stop
Delta Logo
7:45 am - 12:40 pm
ORD
-
GTF
5h 55m
1 stop
$383Delta
Wed, Jun 17 - Sun, Jun 21
Delta Logo
1:07 pm - 9:50 pm
GTF
-
ORD
7h 43m
1 stop
Delta Logo
7:00 am - 5:39 pm
ORD
-
GTF
11h 39m
2 stops
$384Delta
Sat, May 16 - Wed, May 20
Multiple Airlines Logo
10:18 am - 5:07 am
GTF
-
ORD
17h 49m
1 stop
Multiple Airlines Logo
12:31 pm - 9:28 am
ORD
-
GTF
21h 57m
2 stops
$390Multiple Airlines
Mon, Jun 15 - Thu, Jun 18
United Airlines Logo
2:35 pm - 11:57 pm
GTF
-
ORD
8h 22m
1 stop
United Airlines Logo
2:33 pm - 9:34 pm
ORD
-
GTF
8h 01m
1 stop
$391United Airlines
Tue, May 19 - Sat, May 23

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Delta flights from Great Falls to Chicago

Our best Delta deals on Great Falls to Chicago flight tickets
Delta
Jun 6
GTF6:19 pmGreat Falls
12h 46m
2 stops
ORD8:05 amChicago O'Hare Intl
Jun 9
ORD7:45 amChicago O'Hare Intl
5h 55m
1 stop
GTF12:40 pmGreat Falls
$324
Delta
Aug 21
GTF1:08 pmGreat Falls
9h 50m
2 stops
ORD11:58 pmChicago O'Hare Intl
Aug 25
ORD11:26 amChicago O'Hare Intl
12h 22m
2 stops
GTF10:48 pmGreat Falls
$329
Delta
Jun 6
GTF6:19 pmGreat Falls
12h 46m
2 stops
ORD8:05 amChicago O'Hare Intl
Jun 13
ORD8:36 amChicago O'Hare Intl
10h 08m
2 stops
GTF5:44 pmGreat Falls
$354

United Airlines flights from Great Falls to Chicago

Our best United Airlines deals on Great Falls to Chicago flight tickets
United Airlines
Aug 21
GTF2:31 pmGreat Falls
6h 11m
1 stop
ORD9:42 pmChicago O'Hare Intl
Aug 25
ORD4:35 pmChicago O'Hare Intl
5h 53m
1 stop
GTF9:28 pmGreat Falls
$341
United Airlines
May 19
GTF2:35 pmGreat Falls
8h 22m
1 stop
ORD11:57 pmChicago O'Hare Intl
May 23
ORD2:33 pmChicago O'Hare Intl
8h 01m
1 stop
GTF9:34 pmGreat Falls
$391
United Airlines
Jun 3
GTF6:15 amGreat Falls
7h 40m
1 stop
ORD2:55 pmChicago O'Hare Intl
Jun 6
ORD8:40 amChicago O'Hare Intl
3h 46m
GTF11:26 amGreat Falls
$421

momondo Fare Finder

 
Customize your flight search to find flights from Great Falls to Chicago that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated May 5, 2026.
Use the filters below to find and compare flights from Great Falls to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Great FallsChicago

GTF - ORD

GTFORD

Great Falls

Sat 6/6

6:19 pm-8:05 am

2 stops12h 46m

Chicago O'Hare Intl

Tue 6/9

7:45 am-12:40 pm

1 stop5h 55m

$324

Great FallsChicago

GTF - MDW

GTFMDW

Great Falls

Fri 8/21

5:40 am-6:33 pm

2 stops11h 53m

Chicago Midway

Tue 8/25

6:05 am-5:42 pm

2 stops12h 37m

$329

Great FallsChicago

GTF - ORD

GTFORD

Great Falls

Fri 8/21

1:08 pm-11:58 pm

2 stops9h 50m

Chicago O'Hare Intl

Tue 8/25

11:26 am-10:48 pm

2 stops12h 22m

$329
Quickest round-trip

Great FallsChicago

GTF - ORD

GTFORD

Great Falls

Fri 8/21

2:31 pm-9:42 pm

1 stop6h 11m

Chicago O'Hare Intl

Tue 8/25

4:35 pm-9:28 pm

1 stop5h 53m

$341

Great FallsChicago

GTF - ORD

GTFORD

Great Falls

Sat 6/6

6:19 pm-8:05 am

2 stops12h 46m

Chicago O'Hare Intl

Sat 6/13

8:36 am-5:44 pm

2 stops10h 08m

$354

Great FallsChicago

GTF - ORD

GTFORD

Great Falls

Sat 6/6

6:52 pm-6:20 am

1 stop10h 28m

Chicago O'Hare Intl

Wed 6/10

6:00 am-4:29 pm

1 stop11h 29m

$363

Great FallsChicago

GTF - ORD

GTFORD

Great Falls

Wed 6/17

1:20 pm-9:57 pm

1 stop7h 37m

Chicago O'Hare Intl

Sun 6/21

7:45 am-12:40 pm

1 stop5h 55m

$383

Great FallsChicago

GTF - ORD

GTFORD

Great Falls

Sat 5/16

1:07 pm-9:50 pm

1 stop7h 43m

Chicago O'Hare Intl

Wed 5/20

7:00 am-5:39 pm

2 stops11h 39m

$384

Great FallsChicago

GTF - ORD

GTFORD

Great Falls

Mon 6/15

10:18 am-5:07 am

1 stop17h 49m

Chicago O'Hare Intl

Thu 6/18

12:31 pm-9:28 am

2 stops21h 57m

$390

Great FallsChicago

GTF - ORD

GTFORD

Great Falls

Tue 5/19

2:35 pm-11:57 pm

1 stop8h 22m

Chicago O'Hare Intl

Sat 5/23

2:33 pm-9:34 pm

1 stop8h 01m

$391

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Chicago from

How to get the cheapest flight ticket from Great Falls to Chicago

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest Great Falls to Chicago flight route?

Fly from Great Falls to Chicago O'Hare Intl for the best Great Falls - Chicago flight prices

Can stopping save me money on Great Falls to Chicago flights?

You could potentially save up to 36% on your flight if you consider stops on a Great Falls to Chicago flight.

When to book flights from Great Falls to Chicago

Are you open to changing your travel dates? Check out the ideal times to fly from Great Falls to Chicago according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Great Falls to Chicago (GTF to CHI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Great Falls to Chicago

Fastest flight time

3h 18m

Direct flights

Sun

Airports in Chicago

3 airports
The fastest flight from Great Falls to Chicago takes 3h 18m
Direct flights go from Great Falls to Chicago on Sunday. There are no airlines offering direct flights.
There are 3 airports in Chicago. From Great Falls there are direct flights to Chicago O'Hare Intl (ORD).
Search flight deals

Frequently asked questions about flying from Great Falls to Chicago

  • How far is Great Falls to Chicago by plane?

    A flight from Great Falls to Chicago will travel around 1219.6 mi. In terms of flight time, this usually takes a little over 3h 18m.

  • When did momondo last update prices for flights from Great Falls Airport to Chicago?

    Prices for flights from Great Falls Airport to Chicago were last updated today.

  • How many operators does momondo search for flights from Great Falls Airport to Chicago?

  • How old do you have to be to fly from Great Falls Airport to Chicago?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Great Falls Airport to Chicago.

  • What documentation or ID do you need to fly to Chicago?

    The travel and health documents you'll need for your trip to Chicago may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chicago. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Great Falls to Chicago?

  • What is the most popular airline from Great Falls to Chicago?

Best airlines flying from Great Falls to Chicago

Compare and see reviews for airlines that fly from Great Falls to Chicago with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $277Free CancellationRating
7.4
9,683 reviews
Search United Airlines flights

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
New Buffalo
Hammond
Saint Joseph
Benton Harbor
Portage
Lansing
Valparaiso
Munster
Schererville
Crown Point
Monticello
Chesterton
Porter
Griffith
Saint John

Why use momondo?

Why should I use momondo to find a flight deal from Great Falls to Chicago?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Great Falls to Chicago. momondo saves you time and could save you money on your trip.

Can I find flights from Great Falls to Chicago with flexible booking policies on momondo?

Flights from Great Falls to Chicago with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Great Falls to Chicago?

Once you have performed a search for Great Falls to Chicago flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Great Falls to Chicago right now. Can momondo alert me if prices change?

Price alerts on flights to Chicago from Great Falls are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Chicago trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 6/4
Thu 6/11
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago
Chicago Midway Airport
Chicago O'Hare Intl Airport
Chicago Greater Rockford Airport