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Cheap flights from Great Falls to Chicago from $323

1 adult
1 adult, Economy, 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.
United Airlines Logo
2:37 pm - 9:52 pmGTF  Great Falls-ORD Chicago O'Hare Intl
6h 15m1 stop Denver Intl
United Airlines Logo
8:40 am - 1:41 pmORD  Chicago O'Hare Intl-GTF Great Falls
6h 01m1 stop Denver Intl
$328United Airlines
Wed, Sep 30 - Sat, Oct 3
Delta Logo
1:15 pm - 9:55 pmGTF  Great Falls-ORD Chicago O'Hare Intl
7h 40m1 stop Salt Lake City
Delta Logo
3:29 pm - 10:37 pmORD  Chicago O'Hare Intl-GTF Great Falls
8h 08m2 stops Minneapolis St Paul Salt Lake City
$334Delta
Wed, Sep 30 - Sat, Oct 3
United Airlines Logo
2:37 pm - 9:52 pmGTF  Great Falls-ORD Chicago O'Hare Intl
6h 15m1 stop Denver Intl
United Airlines Logo
2:30 pm - 9:22 pmORD  Chicago O'Hare Intl-GTF Great Falls
7h 52m1 stop Denver Intl
$348United Airlines
Wed, Sep 30 - Sat, Oct 3
United Airlines Logo
2:37 pm - 9:52 pmGTF  Great Falls-ORD Chicago O'Hare Intl
6h 15m1 stop Denver Intl
United Airlines Logo
2:30 pm - 9:22 pmORD  Chicago O'Hare Intl-GTF Great Falls
7h 52m1 stop Denver Intl
$371United Airlines
Wed, Sep 30 - Sat, Oct 3
Delta Logo
1:15 pm - 9:55 pmGTF  Great Falls-ORD Chicago O'Hare Intl
7h 40m1 stop Salt Lake City
Delta Logo
3:29 pm - 10:37 pmORD  Chicago O'Hare Intl-GTF Great Falls
8h 08m2 stops Minneapolis St Paul Salt Lake City
$384Delta
Wed, Sep 30 - Sat, Oct 3
Alaska Airlines Logo
4:59 pm - 5:40 amGTF  Great Falls-ORD Chicago O'Hare Intl
11h 41m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
9:30 am - 4:19 pmORD  Chicago O'Hare Intl-GTF Great Falls
7h 49m1 stop Seattle/Tacoma Intl
$390Alaska Airlines
Sat, Nov 14 - Wed, Nov 18
United Airlines Logo
2:45 pm - 10:46 pmGTF  Great Falls-ORD Chicago O'Hare Intl
7h 01m1 stop Denver Intl
United Airlines Logo
7:00 am - 1:49 pmORD  Chicago O'Hare Intl-GTF Great Falls
7h 49m1 stop Denver Intl
$417United Airlines
Thu, Nov 19 - Sun, Nov 22
Delta Logo
1:15 pm - 9:55 pmGTF  Great Falls-ORD Chicago O'Hare Intl
7h 40m1 stop Salt Lake City
Delta Logo
3:29 pm - 10:37 pmORD  Chicago O'Hare Intl-GTF Great Falls
8h 08m2 stops Minneapolis St Paul Salt Lake City
$424Delta
Wed, Sep 30 - Sat, Oct 3
Alaska Airlines Logo
5:19 pm - 6:20 amGTF  Great Falls-ORD Chicago O'Hare Intl
12h 01m1 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
$518Alaska Airlines
Tue, Sep 29 - Wed, Sep 30
Alaska Airlines Logo
4:59 pm - 11:59 pmGTF  Great Falls-ORD Chicago O'Hare Intl
30h 00m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
2:07 pm - 4:19 pmORD  Chicago O'Hare Intl-GTF Great Falls
27h 12m2 stops Portland Seattle/Tacoma Intl
$519Alaska Airlines
Sat, Nov 14 - Wed, Nov 18

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Alaska Airlines flights from Great Falls to Chicago

Our best Alaska Airlines deals on Great Falls to Chicago flight tickets
Alaska Airlines
Nov 14
GTF4:59 pmGreat Falls
11h 41m
1 stop
ORD5:40 amChicago O'Hare Intl
Nov 18
ORD9:30 amChicago O'Hare Intl
7h 49m
1 stop
GTF4:19 pmGreat Falls
$390
Alaska Airlines
Sep 29
GTF5:19 pmGreat Falls
12h 01m
1 stop
ORD6:20 amChicago O'Hare Intl
Sep 30
ORD3:52 pmChicago O'Hare Intl
25h 47m
1 stop
GTF4:39 pmGreat Falls
$518
Alaska Airlines
Nov 14
GTF4:59 pmGreat Falls
30h 00m
1 stop
ORD11:59 pmChicago O'Hare Intl
Nov 18
ORD2:07 pmChicago O'Hare Intl
27h 12m
2 stops
GTF4:19 pmGreat Falls
$519

United Airlines flights from Great Falls to Chicago

Our best United Airlines deals on Great Falls to Chicago flight tickets
United Airlines
Sep 30
GTF2:37 pmGreat Falls
6h 15m
1 stop
ORD9:52 pmChicago O'Hare Intl
Oct 3
ORD8:40 amChicago O'Hare Intl
6h 01m
1 stop
GTF1:41 pmGreat Falls
$328
United Airlines
Sep 30
GTF2:37 pmGreat Falls
6h 15m
1 stop
ORD9:52 pmChicago O'Hare Intl
Oct 3
ORD2:30 pmChicago O'Hare Intl
7h 52m
1 stop
GTF9:22 pmGreat Falls
$348
United Airlines
Sep 30
GTF2:37 pmGreat Falls
6h 15m
1 stop
ORD9:52 pmChicago O'Hare Intl
Oct 3
ORD2:30 pmChicago O'Hare Intl
7h 52m
1 stop
GTF9:22 pmGreat Falls
$371

momondo Fare Finder

 
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
Quickest round-trip

Great FallsChicago

GTF Great Falls - ORD Chicago O'Hare Intl

GTFORD

Great Falls

Wed 9/30

2:37 pm-9:52 pm

1 stop6h 15m

Chicago O'Hare Intl

Sat 10/3

8:40 am-1:41 pm

1 stop6h 01m

$328

Great FallsChicago

GTF Great Falls - ORD Chicago O'Hare Intl

GTFORD

Great Falls

Wed 9/30

1:15 pm-9:55 pm

1 stop7h 40m

Chicago O'Hare Intl

Sat 10/3

3:29 pm-10:37 pm

2 stops8h 08m

$334

Great FallsChicago

GTF Great Falls - ORD Chicago O'Hare Intl

GTFORD

Great Falls

Wed 9/30

2:37 pm-9:52 pm

1 stop6h 15m

Chicago O'Hare Intl

Sat 10/3

2:30 pm-9:22 pm

1 stop7h 52m

$348

Great FallsChicago

GTF Great Falls - ORD Chicago O'Hare Intl

GTFORD

Great Falls

Wed 9/30

2:37 pm-9:52 pm

1 stop6h 15m

Chicago O'Hare Intl

Sat 10/3

2:30 pm-9:22 pm

1 stop7h 52m

$371

Great FallsChicago

GTF Great Falls - ORD Chicago O'Hare Intl

GTFORD

Great Falls

Wed 9/30

1:15 pm-9:55 pm

1 stop7h 40m

Chicago O'Hare Intl

Sat 10/3

3:29 pm-10:37 pm

2 stops8h 08m

$384

Great FallsChicago

GTF Great Falls - ORD Chicago O'Hare Intl

GTFORD

Great Falls

Sat 11/14

4:59 pm-5:40 am

1 stop11h 41m

Chicago O'Hare Intl

Wed 11/18

9:30 am-4:19 pm

1 stop7h 49m

$390

Great FallsChicago

GTF Great Falls - ORD Chicago O'Hare Intl

GTFORD

Great Falls

Thu 11/19

2:45 pm-10:46 pm

1 stop7h 01m

Chicago O'Hare Intl

Sun 11/22

7:00 am-1:49 pm

1 stop7h 49m

$417

Great FallsChicago

GTF Great Falls - ORD Chicago O'Hare Intl

GTFORD

Great Falls

Wed 9/30

1:15 pm-9:55 pm

1 stop7h 40m

Chicago O'Hare Intl

Sat 10/3

3:29 pm-10:37 pm

2 stops8h 08m

$424

Great FallsChicago

GTF Great Falls - ORD Chicago O'Hare Intl

GTFORD

Great Falls

Tue 9/29

5:19 pm-6:20 am

1 stop12h 01m

Chicago O'Hare Intl

Wed 9/30

3:52 pm-4:39 pm

1 stop25h 47m

$518

Great FallsChicago

GTF Great Falls - ORD Chicago O'Hare Intl

GTFORD

Great Falls

Sat 11/14

4:59 pm-11:59 pm

1 stop30h 00m

Chicago O'Hare Intl

Wed 11/18

2:07 pm-4:19 pm

2 stops27h 12m

$519

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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 month to fly to Chicago?

The month of November is, on average, the cheapest month to fly to Chicago from Great Falls, with most prices found around $0. If you’re not able to fly to Chicago in November, then January is your next best option. Flight prices from Great Falls to Chicago during January average around $0.

What is the cheapest day to depart on your flight to Chicago?

The cheapest day to depart on your flight to Chicago is on a Saturday when prices can be found for as low as $576. This is often the case because there is less demand to fly during this day of the week. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Great Falls to Chicago for around $603.

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

What cabin class options are available on Great Falls to Chicago flights?

There are 3 cabin classes available to choose from on Great Falls to Chicago flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

You could potentially save up to 75% 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

$323

Fastest flight time

5h 15m

Direct flights

None
The best one-way flight to Chicago from Great Falls in the past 72 hours is $323. The best round-trip flight deal from Great Falls to Chicago found on momondo in the last 72 hours is $328.
The fastest flight from Great Falls to Chicago takes 5h 15m
There are no direct flights from Great Falls to Chicago. Popular non-direct route for this connection is Great Falls Airport - Chicago O'Hare Intl Airport.
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 5h 15m.

  • 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 $270Free CancellationRating
7.8
8,554 reviews
Search Delta flights
United AirlinesPriceFrom $300Free CancellationRating
7.4
10,194 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
Portage
Benton Harbor
Lansing
Saint Joseph
Valparaiso
Schererville
Munster
Chesterton
Monticello
Porter
Crown Point
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

Chicago Midway Airport
Chicago O'Hare Intl Airport
Chicago Greater Rockford Airport