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Cheap flights from Great Falls to Chicago from $357

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.
Alaska Airlines Logo
4:08 pm - 11:59 pmGTF  Great Falls-ORD Chicago O'Hare Intl
6h 51m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
8:00 am - 4:13 pmORD  Chicago O'Hare Intl-GTF Great Falls
9h 13m1 stop Seattle/Tacoma Intl
$357Alaska Airlines
Thu, Feb 4 - Thu, Feb 18
Delta Logo
5:35 am - 12:59 pmGTF  Great Falls-ORD Chicago O'Hare Intl
6h 24m1 stop Salt Lake City
Delta Logo
7:10 am - 12:39 pmORD  Chicago O'Hare Intl-GTF Great Falls
6h 29m1 stop Salt Lake City
$368Delta
Sun, Dec 20 - Thu, Dec 31
Alaska Airlines Logo
4:08 pm - 11:59 pmGTF  Great Falls-ORD Chicago O'Hare Intl
6h 51m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
8:00 am - 3:28 pmORD  Chicago O'Hare Intl-GTF Great Falls
8h 28m1 stop Seattle/Tacoma Intl
$368Alaska Airlines
Sat, Jan 23 - Wed, Jan 27
Delta Logo
1:19 pm - 10:27 pmGTF  Great Falls-ORD Chicago O'Hare Intl
8h 08m1 stop Salt Lake City
Delta Logo
7:10 am - 12:39 pmORD  Chicago O'Hare Intl-GTF Great Falls
6h 29m1 stop Salt Lake City
$398Delta
Sun, Dec 20 - Thu, Dec 31
Delta Logo
1:19 pm - 9:56 pmGTF  Great Falls-ORD Chicago O'Hare Intl
7h 37m1 stop Salt Lake City
Delta Logo
2:04 pm - 10:29 pmORD  Chicago O'Hare Intl-GTF Great Falls
9h 25m1 stop Salt Lake City
$398Delta
Fri, Dec 4 - Mon, Dec 7
Alaska Airlines Logo
4:08 pm - 11:59 pmGTF  Great Falls-ORD Chicago O'Hare Intl
6h 51m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
8:00 am - 3:28 pmORD  Chicago O'Hare Intl-GTF Great Falls
8h 28m1 stop Seattle/Tacoma Intl
$398Alaska Airlines
Sat, Jan 23 - Wed, Jan 27
United Airlines Logo
6:30 am - 1:15 pmGTF  Great Falls-ORD Chicago O'Hare Intl
5h 45m1 stop Denver Intl
United Airlines Logo
4:20 pm - 9:38 pmORD  Chicago O'Hare Intl-GTF Great Falls
6h 18m1 stop Denver Intl
$438United Airlines
Tue, Nov 10 - Sat, Nov 14
Alaska Airlines Logo
5:10 pm - 5:40 amGTF  Great Falls-ORD Chicago O'Hare Intl
11h 30m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:00 am - 4:30 pmORD  Chicago O'Hare Intl-GTF Great Falls
10h 30m1 stop Seattle/Tacoma Intl
$454Alaska Airlines
Mon, Nov 9 - Fri, Nov 13
United Airlines Logo
2:45 pm - 9:30 pmGTF  Great Falls-ORD Chicago O'Hare Intl
5h 45m1 stop Denver Intl
United Airlines Logo
7:00 am - 1:49 pmORD  Chicago O'Hare Intl-GTF Great Falls
7h 49m1 stop Denver Intl
$513United Airlines
Wed, Nov 25 - Thu, Dec 3
United Airlines Logo
2:37 pm - 10:42 pmGTF  Great Falls-ORD Chicago O'Hare Intl
7h 05m1 stop Denver Intl
United Airlines Logo
4:30 pm - 9:41 pmORD  Chicago O'Hare Intl-GTF Great Falls
6h 11m1 stop Denver Intl
$548United Airlines
Sun, Dec 20 - Thu, Dec 31

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United Airlines flights from Great Falls to Chicago O'Hare Intl Airport

Our best United Airlines deals on Great Falls to Chicago O'Hare Intl Airport flight tickets
United Airlines
Nov 10
GTF6:30 amGreat Falls
5h 45m
1 stop
ORD1:15 pmChicago O'Hare Intl
Nov 14
ORD4:20 pmChicago O'Hare Intl
6h 18m
1 stop
GTF9:38 pmGreat Falls
$438
United Airlines
Nov 25
GTF2:45 pmGreat Falls
5h 45m
1 stop
ORD9:30 pmChicago O'Hare Intl
Dec 3
ORD7:00 amChicago O'Hare Intl
7h 49m
1 stop
GTF1:49 pmGreat Falls
$513
United Airlines
Oct 31
GTF6:30 amGreat Falls
5h 44m
1 stop
ORD1:14 pmChicago O'Hare Intl
Nov 6
ORD2:30 pmChicago O'Hare Intl
8h 08m
1 stop
GTF9:38 pmGreat Falls
$538

Alaska Airlines flights from Great Falls to Chicago O'Hare Intl Airport

Our best Alaska Airlines deals on Great Falls to Chicago O'Hare Intl Airport flight tickets
Alaska Airlines
Feb 4
GTF4:08 pmGreat Falls
6h 51m
1 stop
ORD11:59 pmChicago O'Hare Intl
Feb 18
ORD8:00 amChicago O'Hare Intl
9h 13m
1 stop
GTF4:13 pmGreat Falls
$357
Alaska Airlines
Jan 23
GTF4:08 pmGreat Falls
6h 51m
1 stop
ORD11:59 pmChicago O'Hare Intl
Jan 27
ORD8:00 amChicago O'Hare Intl
8h 28m
1 stop
GTF3:28 pmGreat Falls
$368
Alaska Airlines
Nov 9
GTF5:10 pmGreat Falls
11h 30m
1 stop
ORD5:40 amChicago O'Hare Intl
Nov 13
ORD7:00 amChicago O'Hare Intl
10h 30m
1 stop
GTF4:30 pmGreat Falls
$454

momondo Fare Finder

 
Use the filters below to find and compare flights from Great Falls to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Great FallsChicago

GTF Great Falls - ORD Chicago O'Hare Intl

GTFORD

Great Falls

Thu 2/4

4:08 pm-11:59 pm

1 stop6h 51m

Chicago O'Hare Intl

Thu 2/18

8:00 am-4:13 pm

1 stop9h 13m

$357

Great FallsChicago

GTF Great Falls - ORD Chicago O'Hare Intl

GTFORD

Great Falls

Sun 12/20

5:35 am-12:59 pm

1 stop6h 24m

Chicago O'Hare Intl

Thu 12/31

7:10 am-12:39 pm

1 stop6h 29m

$368

Great FallsChicago

GTF Great Falls - ORD Chicago O'Hare Intl

GTFORD

Great Falls

Sat 1/23

4:08 pm-11:59 pm

1 stop6h 51m

Chicago O'Hare Intl

Wed 1/27

8:00 am-3:28 pm

1 stop8h 28m

$368

Great FallsChicago

GTF Great Falls - ORD Chicago O'Hare Intl

GTFORD

Great Falls

Sun 12/20

1:19 pm-10:27 pm

1 stop8h 08m

Chicago O'Hare Intl

Thu 12/31

7:10 am-12:39 pm

1 stop6h 29m

$398

Great FallsChicago

GTF Great Falls - ORD Chicago O'Hare Intl

GTFORD

Great Falls

Fri 12/4

1:19 pm-9:56 pm

1 stop7h 37m

Chicago O'Hare Intl

Mon 12/7

2:04 pm-10:29 pm

1 stop9h 25m

$398

Great FallsChicago

GTF Great Falls - ORD Chicago O'Hare Intl

GTFORD

Great Falls

Sat 1/23

4:08 pm-11:59 pm

1 stop6h 51m

Chicago O'Hare Intl

Wed 1/27

8:00 am-3:28 pm

1 stop8h 28m

$398
Quickest round-trip

Great FallsChicago

GTF Great Falls - ORD Chicago O'Hare Intl

GTFORD

Great Falls

Tue 11/10

6:30 am-1:15 pm

1 stop5h 45m

Chicago O'Hare Intl

Sat 11/14

4:20 pm-9:38 pm

1 stop6h 18m

$438

Great FallsChicago

GTF Great Falls - ORD Chicago O'Hare Intl

GTFORD

Great Falls

Mon 11/9

5:10 pm-5:40 am

1 stop11h 30m

Chicago O'Hare Intl

Fri 11/13

7:00 am-4:30 pm

1 stop10h 30m

$454

Great FallsChicago

GTF Great Falls - ORD Chicago O'Hare Intl

GTFORD

Great Falls

Wed 11/25

2:45 pm-9:30 pm

1 stop5h 45m

Chicago O'Hare Intl

Thu 12/3

7:00 am-1:49 pm

1 stop7h 49m

$513

Great FallsChicago

GTF Great Falls - ORD Chicago O'Hare Intl

GTFORD

Great Falls

Sun 12/20

2:37 pm-10:42 pm

1 stop7h 05m

Chicago O'Hare Intl

Thu 12/31

4:30 pm-9:41 pm

1 stop6h 11m

$548

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Chicago from

How to get the cheapest flight ticket from Great Falls to Chicago O'Hare Intl Airport

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 O'Hare Intl Airport?

The month of January is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Great Falls averaging around $0.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport 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. On the other hand, Thursday is the most expensive day to depart from Great Falls because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $603.

What is the cheapest Great Falls to Chicago O'Hare Intl flight route?

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

What cabin class options are available on Great Falls to Chicago O'Hare Intl Airport flights?

There are 3 cabin classes available to choose from on Great Falls to Chicago O'Hare Intl Airport 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 O'Hare Intl Airport flights?

You could potentially save up to 75% on your flight if you consider stops on a Great Falls to Chicago O'Hare Intl Airport flight.

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

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

Cheap Great Falls to Chicago O'Hare Intl Airport (GTF to ORD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Great Falls to Chicago O'Hare Intl Airport

Best Price Found

$357

Fastest flight time

7h 05m

Direct flights

None
The best flight deal from Great Falls to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $357
The fastest flight from Great Falls to Chicago O'Hare Intl Airport takes 7h 05m
There are no direct flights from Great Falls to Chicago O'Hare Intl Airport. 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 O'Hare Intl Airport

  • How far is Great Falls to Chicago O'Hare Intl by plane?

    There are 1203.7 mi between Great Falls and Chicago O'Hare Intl. Flights usually cover this in 7h 05m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Great Falls Airport to Chicago O'Hare Intl Airport are updated daily.

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

  • How old do you have to be to fly from Great Falls Airport to Chicago O'Hare Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Great Falls Airport to Chicago O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The travel and health documents you'll need for your trip to Chicago O'Hare Intl Airport 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 O'Hare Intl Airport. 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 O'Hare Intl Airport?

  • What is the most popular airline from Great Falls to Chicago O'Hare Intl Airport?

Best airlines flying from Great Falls to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Great Falls to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $300Free CancellationRating
7.3
10,453 reviews
Search United Airlines flights
DeltaPriceFrom $323Free CancellationRating
7.8
8,694 reviews
Search Delta flights

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lake Geneva
Schaumburg
Merrillville
Rockford
South Haven
Rosemont
Oak Brook
Gurnee
Orland Park
Joliet
Naperville
New Buffalo
Kenosha
Hammond
Aurora
Racine
Elgin
Janesville
Skokie
Waukegan

Why use momondo?

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

It is quick and easy to find Great Falls to Chicago flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Chicago that suits you.

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

momondo does allow users to show only those flights to Chicago from Great Falls which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to Chicago from Great Falls. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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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