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Cheap flights from Illinois to Great Falls from $143

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Great Falls departing on 1/15. 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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Find the cheapest flights from Illinois to Great Falls

Cheap round-trip flights

These are some of the best round-trip flight deals from Illinois to Great Falls that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Illinois to Great Falls.

Cheap last minute flights

Planning a quick getaway from Illinois to Great Falls? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Great Falls, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Illinois to Great Falls

Find recent round-trip train or bus tickets from Illinois to Great Falls.

All round-trip flight deals to Great Falls

The cheapest plane tickets to Great Falls found on KAYAK recently.
5:00 pm - 10:41 pmORD-GTF
6h 41m1 stop
5:30 am - 1:47 pmGTF-ORD
7h 17m1 stop
$324Delta
Find Deal
Sat, Jan 11 - Thu, Jan 16
2:15 pm - 10:41 pmORD-GTF
9h 26m2 stops
5:30 am - 1:47 pmGTF-ORD
7h 17m1 stop
$329Delta
Find Deal
Sat, Jan 11 - Thu, Jan 16
5:00 pm - 10:41 pmSTL-GTF
6h 41m1 stop
5:30 am - 1:18 pmGTF-STL
6h 48m1 stop
$344Delta
Find Deal
Fri, Jan 10 - Mon, Jan 13
12:00 pm - 8:21 pmSTL-GTF
9h 21m2 stops
5:30 am - 1:18 pmGTF-STL
6h 48m1 stop
$349Delta
Find Deal
Fri, Jan 10 - Mon, Jan 13
12:00 pm - 8:21 pmSTL-GTF
9h 21m2 stops
11:55 am - 11:14 pmGTF-STL
10h 19m2 stops
$354Delta
Find Deal
Fri, Jan 10 - Mon, Jan 13
5:10 am - 8:01 pmORD-GTF
15h 51m2 stops
6:04 pm - 5:31 amGTF-ORD
10h 27m1 stop
Mon, Dec 16 - Mon, Jan 13
7:10 am - 1:47 pmORD-GTF
7h 37m1 stop
2:20 pm - 9:25 pmGTF-ORD
6h 05m1 stop
$424United Airlines
Find Deal
Mon, Dec 16 - Mon, Jan 13
7:00 am - 9:36 pmSTL-GTF
15h 36m2 stops
2:20 pm - 8:43 pmGTF-STL
5h 23m1 stop
$429United Airlines
Find Deal
Fri, Jan 10 - Mon, Jan 13
7:35 am - 8:01 pmORD-GTF
13h 26m2 stops
6:04 pm - 9:00 pmGTF-ORD
25h 56m2 stops
Mon, Dec 16 - Mon, Jan 13
9:40 pm - 9:24 pmORD-GTF
24h 44m1 stop
2:20 pm - 9:25 pmGTF-ORD
6h 05m1 stop
$444United Airlines
Find Deal
Sun, Jan 5 - Sat, Jan 11
7:45 am - 4:13 pmORD-GTF
9h 28m1 stop
$143Alaska Airlines
Find Deal
Wed, Jan 15
1:26 pm - 8:21 pmMDW-GTF
7h 55m1 stop
$152Delta
Find Deal
Wed, Jan 15
1:40 pm - 10:41 pmORD-GTF
10h 01m2 stops
$157Delta
Find Deal
Wed, Jan 15
2:08 pm - 10:41 pmMDW-GTF
9h 33m2 stops
$157Delta
Find Deal
Wed, Jan 15
7:10 am - 9:24 pmORD-GTF
15h 14m1 stop
$257United Airlines
Find Deal
Sat, Jan 4
10:08 am - 10:44 pmMDW-GTF
13h 36m2 stops
$299Delta
Find Deal
Sun, Jan 5
3:20 pm - 9:24 pmORD-GTF
31h 04m2 stops
$340United Airlines
Find Deal
Sat, Jan 4
8:20 pm - 9:24 pmORD-GTF
26h 04m2 stops
$359United Airlines
Find Deal
Sun, Jan 5

Delta flights from Illinois to Great Falls

Our best Delta deals on Illinois to Great Falls flight tickets
Delta
Jan 11
ORD5:00 pmChicago O'Hare Intl
6h 41m
1 stop
GTF10:41 pmGreat Falls
Jan 16
GTF5:30 amGreat Falls
7h 17m
1 stop
ORD1:47 pmChicago O'Hare Intl
Delta
Jan 11
ORD2:15 pmChicago O'Hare Intl
9h 26m
2 stops
GTF10:41 pmGreat Falls
Jan 16
GTF5:30 amGreat Falls
7h 17m
1 stop
ORD1:47 pmChicago O'Hare Intl
Delta
Jan 10
STL5:00 pmLambert-St Louis
6h 41m
1 stop
GTF10:41 pmGreat Falls
Jan 13
GTF5:30 amGreat Falls
6h 48m
1 stop
STL1:18 pmLambert-St Louis

United Airlines flights from Illinois to Great Falls

Our best United Airlines deals on Illinois to Great Falls flight tickets
United Airlines
Dec 16
ORD7:10 amChicago O'Hare Intl
7h 37m
1 stop
GTF1:47 pmGreat Falls
Jan 13
GTF2:20 pmGreat Falls
6h 05m
1 stop
ORD9:25 pmChicago O'Hare Intl
United Airlines
Jan 10
STL7:00 amLambert-St Louis
15h 36m
2 stops
GTF9:36 pmGreat Falls
Jan 13
GTF2:20 pmGreat Falls
5h 23m
1 stop
STL8:43 pmLambert-St Louis
United Airlines
Jan 5
ORD9:40 pmChicago O'Hare Intl
24h 44m
1 stop
GTF9:24 pmGreat Falls
Jan 11
GTF2:20 pmGreat Falls
6h 05m
1 stop
ORD9:25 pmChicago O'Hare Intl

See travel insights to Great Falls from

How to get the cheapest flight ticket from Illinois 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 Saturday when prices can be found for as low as $300. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Illinois because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $466.

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 Illinois to Great Falls in the afternoon for as low as $397. 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 evening when prices are $473 on average. Flights to Great Falls from Illinois in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Illinois to Great Falls flight route?

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

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

There are 1 cabin classes available to choose from on Illinois 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 Illinois to Great Falls flights?

You could potentially save up to 8% on your flight if you consider stops on a Illinois to Great Falls flight.

Cheap Illinois to Great Falls flight deals and tips

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

Best Price Found

$143

Fastest flight time

5h 16m

Direct flights

None

Airports in Great Falls

1 airport
The best one-way flight to Great Falls from Illinois in the past 72 hours is $143. The best round-trip flight deal from Illinois to Great Falls found on momondo in the last 72 hours is $324.
The fastest flight from Illinois to Great Falls takes 5h 16m
There are no direct flights from Illinois to Great Falls. Popular non-direct routes for this connection are Chicago Midway Airport - Great Falls Airport, Lambert-St Louis Airport - Great Falls Airport and Chicago O'Hare Intl Airport - Great Falls Airport.
There is 1 airport near Great Falls: Great Falls (GTF)

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

    Prices for flights from Illinois to Great Falls Airport are updated daily.

  • How many operators does momondo search for flights from Illinois to Great Falls Airport?

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Illinois to Great Falls Airport.

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

    The required travel and health documents for your Great Falls Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Great Falls Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Illinois to Great Falls?


Best airlines flying from Illinois to Great Falls

Compare and see reviews for airlines that fly from Illinois to Great Falls with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $182Free CancellationRating
8.0
8,735 reviews
Search Delta flights
United AirlinesPriceFrom $248Free CancellationRating
7.4
9,165 reviews
Search United Airlines flights

Why use momondo?

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

It is quick and easy to find Illinois to Great Falls 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 Great Falls that suits you.

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

Flights from Illinois 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 Illinois to Great Falls?

momondo helps you find the best flight between Illinois and Great Falls by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Great Falls, momondo offers a useful price alert feature which will track prices for flights to Great Falls from Illinois and alert you when they change.


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