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Cheap flights from Great Falls to Chicago from $491

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Great Falls to Chicago departing on 3/3. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:15 pm - 9:56 amGTF-MDW
14h 41m2 stops
Delta Logo
2:00 pm - 5:44 pmMDW-GTF
28h 44m2 stops
$491Delta
Find Deal
Tue, Mar 3 - Wed, Mar 4
Delta Logo
1:10 pm - 8:50 amGTF-MDW
18h 40m2 stops
Delta Logo
1:00 pm - 10:53 pmMDW-GTF
10h 53m2 stops
$511Delta
Find Deal
Tue, Mar 3 - Wed, Mar 4
Delta Logo
6:15 pm - 9:56 amGTF-MDW
14h 41m2 stops
Delta Logo
2:00 pm - 10:53 pmMDW-GTF
9h 53m2 stops
$569Delta
Find Deal
Tue, Mar 3 - Wed, Mar 4
Delta Logo
5:30 am - 5:43 pmGTF-MDW
11h 13m2 stops
Delta Logo
6:00 am - 5:29 pmMDW-GTF
12h 29m2 stops
$1,119Delta
Find Deal
Thu, Oct 30 - Mon, Nov 3
Delta Logo
5:30 am - 4:39 pmGTF-MDW
10h 09m2 stops
Delta Logo
1:47 pm - 10:30 pmMDW-GTF
9h 43m2 stops
$1,519Delta
Find Deal
Thu, Nov 27 - Sun, Nov 30
Delta Logo
5:30 am - 6:14 pmGTF-MDW
11h 44m2 stops
Delta Logo
1:47 pm - 10:30 pmMDW-GTF
9h 43m2 stops
$1,559Delta
Find Deal
Fri, Nov 21 - Sun, Nov 30

Delta flights from Great Falls to Chicago Midway Airport

Our best Delta deals on Great Falls to Chicago Midway Airport flight tickets
Delta
Mar 3
GTF6:15 pmGreat Falls
14h 41m
2 stops
MDW9:56 amChicago Midway
Mar 4
MDW2:00 pmChicago Midway
28h 44m
2 stops
GTF5:44 pmGreat Falls
$491
Find similar
Delta
Mar 3
GTF1:10 pmGreat Falls
18h 40m
2 stops
MDW8:50 amChicago Midway
Mar 4
MDW1:00 pmChicago Midway
10h 53m
2 stops
GTF10:53 pmGreat Falls
$511
Find similar
Delta
Mar 3
GTF6:15 pmGreat Falls
14h 41m
2 stops
MDW9:56 amChicago Midway
Mar 4
MDW2:00 pmChicago Midway
9h 53m
2 stops
GTF10:53 pmGreat Falls
$569
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Great Falls to Chicago Midway Airport 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 October 16, 2025.
Use the filters below to find and compare flights from Great Falls to Chicago Midway Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Great FallsChicago

GTF - MDW

GTFMDW

Great Falls

Tue 3/3

6:15 pm-9:56 am

2 stops14h 41m

Chicago Midway

Wed 3/4

2:00 pm-5:44 pm

2 stops28h 44m

$491

Great FallsChicago

GTF - MDW

GTFMDW

Great Falls

Tue 3/3

1:10 pm-8:50 am

2 stops18h 40m

Chicago Midway

Wed 3/4

1:00 pm-10:53 pm

2 stops10h 53m

$511

Great FallsChicago

GTF - MDW

GTFMDW

Great Falls

Tue 3/3

6:15 pm-9:56 am

2 stops14h 41m

Chicago Midway

Wed 3/4

2:00 pm-10:53 pm

2 stops9h 53m

$569

Great FallsChicago

GTF - MDW

GTFMDW

Great Falls

Thu 10/30

5:30 am-5:43 pm

2 stops11h 13m

Chicago Midway

Mon 11/3

6:00 am-5:29 pm

2 stops12h 29m

$1,119

Great FallsChicago

GTF - MDW

GTFMDW

Great Falls

Thu 11/27

5:30 am-4:39 pm

2 stops10h 09m

Chicago Midway

Sun 11/30

1:47 pm-10:30 pm

2 stops9h 43m

$1,519

Great FallsChicago

GTF - MDW

GTFMDW

Great Falls

Fri 11/21

5:30 am-6:14 pm

2 stops11h 44m

Chicago Midway

Sun 11/30

1:47 pm-10:30 pm

2 stops9h 43m

$1,559

Great FallsChicago

GTF - MDW

GTFMDW

Great Falls

Fri 11/28

7:42 pm-9:52 am

3 stops37h 10m

$654

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Great Falls to Chicago Midway Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Great Falls to Chicago Midway 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 Midway Airport (GTF to MDW) flight deals and tips

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

Direct flights

None
There are no direct flights from Great Falls to Chicago Midway Airport. There are no popular flight routes from Great Falls to Chicago Midway Airport.
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  • How far is Great Falls to Chicago Midway by plane?

    A flight from Great Falls to Chicago Midway will travel around 1216.9 mi. In terms of flight time, this usually takes a little over 10h 09m.

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

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Great Falls Airport to Chicago Midway Airport.

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

    The travel and health documents you'll need for your trip to Chicago Midway 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 Midway Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from Great Falls to Chicago Midway Airport?

    Price Alerts will notify you by email when the price for flights to Chicago Midway Airport from Great Falls decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Great Falls to Chicago Midway Airport with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Traveling to a place near Chicago?

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

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Chicago from Great Falls.

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

All flight searches from Great Falls to Chicago on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Great Falls to Chicago flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Great Falls to Chicago flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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