GTF - ORD

$170 Find Cheap Flights from Great Falls to Chicago O'Hare Airport - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Great Falls to O'Hare Intl departing on 9/1. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$328
Delta
Wed 11/4Sun 11/8
GTF - ORD • 1 stop
Cheapest one-way
$170
Alaska Airlines
Tue 9/1
GTF - ORD • 1 stop
Top layover airports
Seattle (SEA)
Cheapest • Avg $373 (round-trip)
Denver (DEN)
Shortest trip • 6h 03m (one-way)
Insights
Insights
Insights
Insights
When to travel
January
Cheapest • 100% price drop
July
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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We hope you love your trip to O'Hare Intl!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Great Falls to O'Hare Intl (GTF-ORD)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Great Falls to O'Hare Intl that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Great Falls to O'Hare Intl

Wed, Nov 4 - Sun, Nov 8
Delta Logo
1:18 pm - 10:00 pmGTF  Great Falls-ORD Chicago O'Hare Intl
7h 42m1 stop Salt Lake City
Delta Logo
7:35 am - 12:38 pmORD  Chicago O'Hare Intl-GTF Great Falls
6h 03m1 stop Salt Lake City
$328Delta
Tue, Dec 8 - Mon, Dec 14
Delta Logo
1:13 pm - 9:47 pmGTF  Great Falls-ORD Chicago O'Hare Intl
7h 34m1 stop Salt Lake City
Delta Logo
7:35 am - 12:31 pmORD  Chicago O'Hare Intl-GTF Great Falls
5h 56m1 stop Salt Lake City
$328Delta
Fri, Aug 28 - Mon, Aug 31
United Airlines Logo
2:25 pm - 9:29 pmGTF  Great Falls-ORD Chicago O'Hare Intl
6h 04m1 stop Denver Intl
United Airlines Logo
3:56 pm - 9:12 pmORD  Chicago O'Hare Intl-GTF Great Falls
6h 16m1 stop Denver Intl
$328United Airlines
Thu, Oct 22 - Sat, Oct 24
United Airlines Logo
2:37 pm - 9:52 pmGTF  Great Falls-ORD Chicago O'Hare Intl
6h 15m1 stop Denver Intl
United Airlines Logo
4:20 pm - 9:22 pmORD  Chicago O'Hare Intl-GTF Great Falls
6h 02m1 stop Denver Intl
$328United Airlines
Mon, Nov 9 - Sat, Nov 14
Alaska Airlines Logo
4:57 pm - 5:40 amGTF  Great Falls-ORD Chicago O'Hare Intl
11h 43m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:00 am - 4:17 pmORD  Chicago O'Hare Intl-GTF Great Falls
10h 17m1 stop Seattle/Tacoma Intl
$328Alaska Airlines
Sat, Sep 5 - Sat, Sep 12
United Airlines Logo
2:25 pm - 9:59 pmGTF  Great Falls-ORD Chicago O'Hare Intl
6h 34m1 stop Denver Intl
United Airlines Logo
6:00 am - 1:29 pmORD  Chicago O'Hare Intl-GTF Great Falls
8h 29m1 stop Denver Intl
$328United Airlines
Sat, Oct 24 - Sun, Nov 1
Delta Logo
1:18 pm - 10:00 pmGTF  Great Falls-ORD Chicago O'Hare Intl
7h 42m1 stop Salt Lake City
Delta Logo
7:35 am - 12:38 pmORD  Chicago O'Hare Intl-GTF Great Falls
6h 03m1 stop Salt Lake City
$328Delta
Sat, Oct 10 - Sat, Oct 17
Delta Logo
1:18 pm - 10:00 pmGTF  Great Falls-ORD Chicago O'Hare Intl
7h 42m1 stop Salt Lake City
Delta Logo
7:35 am - 12:38 pmORD  Chicago O'Hare Intl-GTF Great Falls
6h 03m1 stop Salt Lake City
$328Delta
Mon, Oct 19 - Thu, Oct 22
Alaska Airlines Logo
5:15 pm - 5:40 amGTF  Great Falls-ORD Chicago O'Hare Intl
11h 25m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
9:00 am - 4:35 pmORD  Chicago O'Hare Intl-GTF Great Falls
8h 35m1 stop Seattle/Tacoma Intl
$433Alaska Airlines
Sat, Sep 5 - Sat, Sep 12
Alaska Airlines Logo
5:25 pm - 8:28 pmGTF  Great Falls-ORD Chicago O'Hare Intl
26h 03m2 stops Seattle/Tacoma Intl Spokane
Alaska Airlines Logo
8:00 am - 4:39 pmORD  Chicago O'Hare Intl-GTF Great Falls
9h 39m1 stop Seattle/Tacoma Intl
$464Alaska Airlines
Booking Insights

KAYAK's insights & trends for Great Falls to O'Hare Intl flights

Get data-powered insights and trends into flights from Great Falls to O'Hare Intl to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Great Falls to Chicago O'Hare Intl Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Great Falls to Chicago O'Hare Intl Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Great Falls to Chicago O'Hare Intl Airport is January, where tickets cost $0 (return) on average. On the other hand, the most expensive months are September and July, where the average cost of round-trip tickets is $709 and $693 respectively.

Can I save money by flying with a layover from Great Falls to Chicago O'Hare Intl Airport?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at $328 on average.

Find deals

Good to know

Low season

February

Cheapest flight

$170
Best time to beat the crowds with an average 44% drop in price.
Most popular time to fly with an average 30% increase in price.
Flight from Great Falls to Chicago O'Hare Airport

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

Are your dates flexible? Find out the best times to travel from Great Falls to O'Hare Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Great Falls to Chicago O'Hare Airport flights

  • What is the cheapest flight from Great Falls to Chicago O'Hare Intl Airport?

    In the last 5 days, the lowest price for a flight from Great Falls to Chicago O'Hare Intl Airport was $170 for a one-way ticket and $328 for a round-trip.

  • Do I need a passport to fly between Great Falls and Chicago O'Hare Airport?

    A passport is not required to fly from Great Falls to Chicago O'Hare Airport.

  • Which airports will I be using when flying from Great Falls to Chicago O'Hare Airport?

    Great Falls and Chicago O'Hare Airport are both served by 1 main airport. You will leave Great Falls from Great Falls and will be arriving at Chicago O'Hare Intl.

  • Which aircraft models fly most regularly from Great Falls to Chicago O'Hare Airport?

    The Embraer 175 (Enhanced Winglets) is the aircraft model that flies most regularly on the Great Falls to Chicago O'Hare Airport flight route.

  • Which airline alliances offer flights from Great Falls to Chicago O'Hare Airport?

    SkyTeam, and Star Alliance are the airline alliances operating flights between Great Falls and Chicago O'Hare Airport, with SkyTeam being the most commonly used for this route.

  • Which is the best airline for flights from Great Falls to Chicago, Delta or United Airlines?

    The two airlines most popular with KAYAK users for flights from Great Falls to Chicago are Delta and United Airlines. With an average price for the route of $538 and an overall rating of 7.8, Delta is the most popular choice. United Airlines is also a great choice for the route, with an average price of $568 and an overall rating of 7.4.

  • How does KAYAK find such low prices on flights from Great Falls to Chicago O'Hare Airport?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Great Falls to Chicago O'Hare Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Great Falls to Chicago O'Hare Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago O'Hare Airport from Great Falls is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Great Falls to Chicago O'Hare Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Chicago O'Hare Airport with an airline and back to Great Falls with another airline. Booking your flights between Great Falls and ORD can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Great Falls to Chicago O'Hare Airport?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Chicago O'Hare Airport from Great Falls up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Great Falls to Chicago O'Hare Intl Airport

  • Looking for a cheap flight? 25% of our users found flights on this route for $448 or less one-way and $478 or less round-trip.

Everything you need to know for your flight from Great Falls to O'Hare Intl

Information on your arrival and departure airports

Great Falls (GTF)
O'Hare Intl (ORD)