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Cheap flights from Great Falls to Chicago from $215

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 8/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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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
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
$334Delta
Sat, Jun 6 - Tue, Jun 9
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
Multiple Airlines Logo
10:18 am - 7:53 pm
GTF
-
ORD
32h 35m
2 stops
Multiple Airlines Logo
7:20 am - 9:28 am
ORD
-
GTF
27h 08m
1 stop
$365Multiple Airlines
Mon, Jun 8 - Sun, Jun 14
Alaska Airlines Logo
6:52 pm - 6:20 am
GTF
-
ORD
10h 28m
1 stop
Alaska Airlines Logo
5:44 pm - 4:29 pm
ORD
-
GTF
23h 45m
1 stop
$373Alaska Airlines
Sat, Jun 6 - Tue, Jun 9
Delta Logo
1:07 pm - 9:50 pm
GTF
-
ORD
7h 43m
1 stop
Delta Logo
7:45 am - 12:27 pm
ORD
-
GTF
5h 42m
1 stop
$378Delta
Wed, May 27 - Sat, May 30
Delta Logo
1:07 pm - 9:50 pm
GTF
-
ORD
7h 43m
1 stop
Delta Logo
1:44 pm - 10:26 pm
ORD
-
GTF
9h 42m
2 stops
$384Delta
Wed, May 27 - Sat, May 30
Alaska Airlines Logo
6:52 pm - 6:20 am
GTF
-
ORD
10h 28m
1 stop
Alaska Airlines Logo
7:40 am - 6:12 pm
ORD
-
GTF
11h 32m
1 stop
$403Alaska Airlines
Sun, May 24 - Wed, May 27
Multiple Airlines Logo
10:18 am - 7:53 pm
GTF
-
ORD
32h 35m
2 stops
Multiple Airlines Logo
7:20 am - 9:28 am
ORD
-
GTF
27h 08m
1 stop
$408Multiple Airlines
Mon, Jun 8 - Thu, Jun 11
Delta Logo
6:25 pm - 8:05 am
GTF
-
ORD
12h 40m
2 stops
Delta Logo
7:45 am - 12:40 pm
ORD
-
GTF
5h 55m
1 stop
$414Delta
Thu, Jun 18 - Mon, Jun 22

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
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
$334
Delta
May 27
GTF1:07 pmGreat Falls
7h 43m
1 stop
ORD9:50 pmChicago O'Hare Intl
May 30
ORD7:45 amChicago O'Hare Intl
5h 42m
1 stop
GTF12:27 pmGreat Falls
$378

Alaska Airlines flights from Great Falls to Chicago

Our best Alaska Airlines deals on Great Falls to Chicago flight tickets
Alaska Airlines
Jun 6
GTF6:52 pmGreat Falls
10h 28m
1 stop
ORD6:20 amChicago O'Hare Intl
Jun 10
ORD6:00 amChicago O'Hare Intl
11h 29m
1 stop
GTF4:29 pmGreat Falls
$363
Alaska Airlines
Jun 6
GTF6:52 pmGreat Falls
10h 28m
1 stop
ORD6:20 amChicago O'Hare Intl
Jun 9
ORD5:44 pmChicago O'Hare Intl
23h 45m
1 stop
GTF4:29 pmGreat Falls
$373
Alaska Airlines
May 24
GTF6:52 pmGreat Falls
10h 28m
1 stop
ORD6:20 amChicago O'Hare Intl
May 27
ORD7:40 amChicago O'Hare Intl
11h 32m
1 stop
GTF6:12 pmGreat Falls
$403

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 11, 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 - 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

$334

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

Mon 6/8

10:18 am-7:53 pm

2 stops32h 35m

Chicago O'Hare Intl

Sun 6/14

7:20 am-9:28 am

1 stop27h 08m

$365

Great FallsChicago

GTF - ORD

GTFORD

Great Falls

Sat 6/6

6:52 pm-6:20 am

1 stop10h 28m

Chicago O'Hare Intl

Tue 6/9

5:44 pm-4:29 pm

1 stop23h 45m

$373
Quickest round-trip

Great FallsChicago

GTF - ORD

GTFORD

Great Falls

Wed 5/27

1:07 pm-9:50 pm

1 stop7h 43m

Chicago O'Hare Intl

Sat 5/30

7:45 am-12:27 pm

1 stop5h 42m

$378

Great FallsChicago

GTF - ORD

GTFORD

Great Falls

Wed 5/27

1:07 pm-9:50 pm

1 stop7h 43m

Chicago O'Hare Intl

Sat 5/30

1:44 pm-10:26 pm

2 stops9h 42m

$384

Great FallsChicago

GTF - ORD

GTFORD

Great Falls

Sun 5/24

6:52 pm-6:20 am

1 stop10h 28m

Chicago O'Hare Intl

Wed 5/27

7:40 am-6:12 pm

1 stop11h 32m

$403

Great FallsChicago

GTF - ORD

GTFORD

Great Falls

Mon 6/8

10:18 am-7:53 pm

2 stops32h 35m

Chicago O'Hare Intl

Thu 6/11

7:20 am-9:28 am

1 stop27h 08m

$408

Great FallsChicago

GTF - ORD

GTFORD

Great Falls

Thu 6/18

6:25 pm-8:05 am

2 stops12h 40m

Chicago O'Hare Intl

Mon 6/22

7:45 am-12:40 pm

1 stop5h 55m

$414

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

Best Price Found

$378

Fastest flight time

3h 18m

Direct flights

Thu and Sun

Airports in Chicago

3 airports
The best flight deal from Great Falls to Chicago found on momondo in the last 72 hours is $378
The fastest flight from Great Falls to Chicago takes 3h 18m
Direct flights go from Great Falls to Chicago on Thursday and 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
DeltaPriceFrom $129Free CancellationRating
7.9
8,451 reviews
Search Delta flights
United AirlinesPriceFrom $277Free CancellationRating
7.4
9,699 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.

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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