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Cheap flights from Great Falls to Chicago from $637

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 1/18. 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

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:30 am - 6:32 pmGTF-MDW
12h 02m2 stops
Delta Logo
1:26 pm - 10:30 pmMDW-GTF
10h 04m2 stops
$637Delta
Find Deal
Sun, Jan 18 - Thu, Jan 22
Delta Logo
5:30 am - 6:32 pmGTF-MDW
12h 02m2 stops
Delta Logo
9:32 am - 5:30 pmMDW-GTF
8h 58m2 stops
$685Delta
Find Deal
Sun, Jan 18 - Thu, Jan 22
Delta Logo
1:12 pm - 11:47 pmGTF-MDW
9h 35m2 stops
Delta Logo
6:00 am - 5:38 pmMDW-GTF
12h 38m2 stops
$1,590Delta
Find Deal
Tue, Dec 16 - Sat, Dec 20

Delta flights from Great Falls to Chicago Midway Airport

Our best Delta deals on Great Falls to Chicago Midway Airport flight tickets
Delta
Jan 18
GTF5:30 amGreat Falls
12h 02m
2 stops
MDW6:32 pmChicago Midway
Jan 22
MDW1:26 pmChicago Midway
10h 04m
2 stops
GTF10:30 pmGreat Falls
$637
Find similar
Delta
Jan 18
GTF5:30 amGreat Falls
12h 02m
2 stops
MDW6:32 pmChicago Midway
Jan 22
MDW9:32 amChicago Midway
8h 58m
2 stops
GTF5:30 pmGreat Falls
$685
Find similar
Delta
Dec 16
GTF1:12 pmGreat Falls
9h 35m
2 stops
MDW11:47 pmChicago Midway
Dec 20
MDW6:00 amChicago Midway
12h 38m
2 stops
GTF5:38 pmGreat Falls
$1,590
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 December 1, 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

Sun 1/18

5:30 am-6:32 pm

2 stops12h 02m

Chicago Midway

Thu 1/22

1:26 pm-10:30 pm

2 stops10h 04m

$637

Great FallsChicago

GTF - MDW

GTFMDW

Great Falls

Sun 1/18

5:30 am-6:32 pm

2 stops12h 02m

Chicago Midway

Thu 1/22

9:32 am-5:30 pm

2 stops8h 58m

$685

Great FallsChicago

GTF - MDW

GTFMDW

Great Falls

Tue 12/16

1:12 pm-11:47 pm

2 stops9h 35m

Chicago Midway

Sat 12/20

6:00 am-5:38 pm

2 stops12h 38m

$1,590

Great FallsChicago

GTF - MDW

GTFMDW

Great Falls

Thu 1/1

5:30 am-5:26 pm

2 stops10h 56m

$710

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 Midway 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 airline that flies from Great Falls to Chicago Midway?

Delta is the most popular carrier operating from Great Falls to Chicago Midway

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

Fastest flight time

12h 02m

Direct flights

None
The fastest flight from Great Falls to Chicago Midway Airport takes 12h 02m
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 9h 35m.

  • 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.

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
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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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