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

Prices for flights from Chicago O'Hare Intl Airport to Great Falls Airport were last updated today.

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

As of September 2025, there is 1 operator available to choose from for flights from Chicago O'Hare Intl Airport to Great Falls Airport.

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

What documentation or ID do you need to fly to Great Falls Airport?

The necessary travel and health documents for your Great Falls Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$219 Cheap Flights from Chicago O'Hare Intl Airport to Great Falls in 2025

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Find the cheapest flights from Chicago O'Hare Intl Airport to Great Falls

Round-trip

One-way

Cheap round-trip flights

2:53 pm - 9:11 pmORD-GTF

7h 18m1 stop

2:31 pm - 11:59 pmGTF-ORD

8h 28m1 stop

$276United Airlines

Find Deal

mié., oct. 1 - sáb., oct. 4

2:17 pm - 9:11 pmORD-GTF

7h 54m1 stop

2:31 pm - 9:30 pmGTF-ORD

5h 59m1 stop

$278United Airlines

Find Deal

jue., oct. 2 - vie., oct. 3

7:10 am - 5:29 pmORD-GTF

11h 19m2 stops

1:08 pm - 9:43 pmGTF-ORD

7h 35m1 stop

$327Delta

Find Deal

sáb., oct. 11 - lun., oct. 20

7:50 am - 12:28 pmORD-GTF

5h 38m1 stop

1:08 pm - 9:43 pmGTF-ORD

7h 35m1 stop

$346Delta

Find Deal

sáb., oct. 11 - lun., oct. 20

2:32 pm - 10:30 pmORD-GTF

8h 58m2 stops

5:30 am - 12:41 pmGTF-ORD

6h 11m1 stop

$352Delta

Find Deal

mié., dic. 3 - dom., dic. 7

10:00 am - 6:55 pmORD-GTF

9h 55m1 stop

7:35 pm - 6:21 amGTF-ORD

9h 46m1 stop

$371Hawaiian Airlines

Find Deal

mié., dic. 3 - dom., dic. 7

7:35 am - 10:27 amORD-GTF

27h 52m2 stops

11:17 am - 6:25 amGTF-ORD

18h 08m1 stop

$389

Find Deal

mié., dic. 3 - dom., dic. 7

6:08 pm - 6:41 pmORD-GTF

25h 33m1 stop

7:21 pm - 1:04 pmGTF-ORD

16h 43m1 stop

$481Alaska Airlines

Find Deal

jue., ene. 1 - mar., ene. 6

8:00 am - 7:02 pmORD-GTF

12h 02m1 stop

7:42 pm - 6:28 amGTF-ORD

9h 46m1 stop

$831Alaska Airlines

Find Deal

vie., nov. 21 - sáb., nov. 29

1:00 pm - 9:11 pmORD-GTF

9h 11m2 stops

4:29 pm - 5:00 amGTF-ORD

11h 31m2 stops

$904

Find Deal

jue., oct. 2 - vie., oct. 3

Delta flights from Chicago O'Hare Intl Airport to Great Falls

Our best Delta deals on Chicago O'Hare Intl Airport to Great Falls flight tickets

Delta

Oct 11

ORD7:10 amChicago O'Hare Intl

11h 19m

2 stops

GTF5:29 pmGreat Falls

Oct 20

GTF1:08 pmGreat Falls

7h 35m

1 stop

ORD9:43 pmChicago O'Hare Intl

$327

Find similar

Delta

Oct 11

ORD7:50 amChicago O'Hare Intl

5h 38m

1 stop

GTF12:28 pmGreat Falls

Oct 20

GTF1:08 pmGreat Falls

7h 35m

1 stop

ORD9:43 pmChicago O'Hare Intl

$346

Find similar

Delta

Dec 3

ORD2:32 pmChicago O'Hare Intl

8h 58m

2 stops

GTF10:30 pmGreat Falls

Dec 7

GTF5:30 amGreat Falls

6h 11m

1 stop

ORD12:41 pmChicago O'Hare Intl

$352

Find similar

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

Our best United Airlines deals on Chicago O'Hare Intl Airport to Great Falls flight tickets

United Airlines

Oct 1

ORD2:53 pmChicago O'Hare Intl

7h 18m

1 stop

GTF9:11 pmGreat Falls

Oct 4

GTF2:31 pmGreat Falls

8h 28m

1 stop

ORD11:59 pmChicago O'Hare Intl

$276

Find similar

United Airlines

Oct 2

ORD2:17 pmChicago O'Hare Intl

7h 54m

1 stop

GTF9:11 pmGreat Falls

Oct 3

GTF2:31 pmGreat Falls

5h 59m

1 stop

ORD9:30 pmChicago O'Hare Intl

$278

Find similar

United Airlines

Sep 24

ORD1:58 pmChicago O'Hare Intl

8h 30m

1 stop

GTF9:28 pmGreat Falls

Sep 28

GTF2:31 pmGreat Falls

8h 27m

1 stop

ORD11:58 pmChicago O'Hare Intl

$369

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

mié. 10/1

2:53 pm-9:11 pm

1 stop7h 18m

Great Falls

sáb. 10/4

2:31 pm-11:59 pm

1 stop8h 28m

$276

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

jue. 10/2

2:17 pm-9:11 pm

1 stop7h 54m

Great Falls

vie. 10/3

2:31 pm-9:30 pm

1 stop5h 59m

$278

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

sáb. 10/11

7:10 am-5:29 pm

2 stops11h 19m

Great Falls

lun. 10/20

1:08 pm-9:43 pm

1 stop7h 35m

$327

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

sáb. 10/11

7:50 am-12:28 pm

1 stop5h 38m

Great Falls

lun. 10/20

1:08 pm-9:43 pm

1 stop7h 35m

$346

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

mié. 12/3

2:32 pm-10:30 pm

2 stops8h 58m

Great Falls

dom. 12/7

5:30 am-12:41 pm

1 stop6h 11m

$352

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

mié. 12/3

10:00 am-6:55 pm

1 stop9h 55m

Great Falls

dom. 12/7

7:35 pm-6:21 am

1 stop9h 46m

$371

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

mié. 12/3

7:35 am-10:27 am

2 stops27h 52m

Great Falls

dom. 12/7

11:17 am-6:25 am

1 stop18h 08m

$389

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

jue. 1/1

6:08 pm-6:41 pm

1 stop25h 33m

Great Falls

mar. 1/6

7:21 pm-1:04 pm

1 stop16h 43m

$481

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

vie. 11/21

8:00 am-7:02 pm

1 stop12h 02m

Great Falls

sáb. 11/29

7:42 pm-6:28 am

1 stop9h 46m

$831

ChicagoGreat Falls

ORD - GTF

ORDGTF

Chicago O'Hare Intl

jue. 10/2

1:00 pm-9:11 pm

2 stops9h 11m

Great Falls

vie. 10/3

4:29 pm-5:00 am

2 stops11h 31m

$904

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first

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

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 day to depart on your flight to Great Falls?

The cheapest day to depart on your flight to Great Falls is on a Friday when prices can be found for as low as $397. This is often the case because there is less demand to fly during this day of the week. On the other hand, Saturday is the most expensive day to depart from Chicago O'Hare Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $676.

What is the cheapest time of day to depart on your flight to Great Falls?

According to our data, the cheapest time of day to fly to Great Falls is in the afternoon. momondo users have found flights departing from Chicago O'Hare Intl Airport to Great Falls in the afternoon for as low as $398. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $658 on average. Flights to Great Falls from Chicago O'Hare Intl Airport in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

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

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

There are 2 cabin classes available to choose from on Chicago O'Hare Intl to Great Falls 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 Chicago O'Hare Intl Airport to Great Falls flights?

You could potentially save up to 44% on your flight if you consider stops on a Chicago O'Hare Intl Airport to Great Falls flight.

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

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

Estimated round-trip price

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

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

Direct flights	None

There are no direct flights from Chicago O'Hare Intl Airport to Great Falls. There are no popular flight routes from Chicago O'Hare Intl Airport to Great Falls.

Search flight deals

How far is Chicago O'Hare Intl to Great Falls by plane?
There are 1203.7 mi between Chicago O'Hare Intl and Great Falls. 5h 38m is a normal flight duration for this route.
When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Great Falls Airport?
Prices for flights from Chicago O'Hare Intl Airport to Great Falls Airport were last updated today.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Great Falls Airport?
As of September 2025, there is 1 operator available to choose from for flights from Chicago O'Hare Intl Airport to Great Falls Airport.
How old do you have to be to fly from Chicago O'Hare Intl Airport to Great Falls 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 Chicago O'Hare Intl Airport to Great Falls Airport.
What documentation or ID do you need to fly to Great Falls Airport?
The necessary travel and health documents for your Great Falls Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Chicago O'Hare Intl Airport to Great Falls?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Chicago O'Hare Intl Airport to Great Falls is Embraer 175 (Enhanced Winglets) (100.00% of total bookings).
What is the most popular airline from Chicago O'Hare Intl Airport to Great Falls?
momondo data reveals that the most frequently booked airline on the route from Chicago O'Hare Intl Airport to Great Falls is United Airlines, representing 100% of all bookings.

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

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Great Falls with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $329	Free Cancellation	Rating 7.4 8,937 reviews		Search United Airlines flights

Shelby

Why use momondo?

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

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 Great Falls from Chicago.

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

Flights from Chicago to Great Falls 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 Chicago to Great Falls?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Great Falls from Chicago.

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

If you are not ready to book a flight from Chicago to Great Falls now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Great Falls and let you know when they change.

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Cheap flights from Chicago O'Hare Intl Airport to Great Falls from $219

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

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Find the cheapest flights from Chicago O'Hare Intl Airport to Great Falls

Cheap round-trip flights

Cheap one-way flights

Delta flights from Chicago O'Hare Intl Airport to Great Falls

Our best Delta deals on Chicago O'Hare Intl Airport to Great Falls flight tickets

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

Our best United Airlines deals on Chicago O'Hare Intl Airport to Great Falls flight tickets

momondo Fare Finder

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

See travel insights to Great Falls from

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

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 day to depart on your flight to Great Falls?

What is the cheapest time of day to depart on your flight to Great Falls?

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

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

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

There are 2 cabin classes available to choose from on Chicago O'Hare Intl to Great Falls 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 Chicago O'Hare Intl Airport to Great Falls flights?

You could potentially save up to 44% on your flight if you consider stops on a Chicago O'Hare Intl Airport to Great Falls flight.

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

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

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

Direct flights

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

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

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

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

What documentation or ID do you need to fly to Great Falls Airport?

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

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

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

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Great Falls with momondo

Traveling to a place near Great Falls?

Why use momondo?

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

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

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

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

An easier way to manage your Great Falls trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

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