ORD

$67 Find Cheap Flights from Missouri to Chicago O'Hare Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to O'Hare Intl departing on 5/27. 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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Flight Deals

Cheap Flights from Missouri to O'Hare Intl

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Missouri 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 Missouri to O'Hare Intl

Thu, May 21 - Mon, May 25
Contour Logo
5:25 pm - 7:00 pm
UIN
-
ORD
1h 35mnonstop
Contour Logo
7:40 pm - 9:00 pm
ORD
-
UIN
1h 20mnonstop
$93Contour
Thu, May 21 - Sun, May 24
Contour Logo
5:25 pm - 7:00 pm
UIN
-
ORD
1h 35mnonstop
Contour Logo
2:45 pm - 4:05 pm
ORD
-
UIN
1h 20mnonstop
$94Contour
Tue, Jun 2 - Tue, Jun 9
Contour Logo
3:35 pm - 5:10 pm
UIN
-
ORD
1h 35mnonstop
Contour Logo
12:20 pm - 1:40 pm
ORD
-
UIN
1h 20mnonstop
$95Contour
Tue, May 19 - Sat, May 23
Contour Logo
9:45 am - 11:20 am
UIN
-
ORD
1h 35mnonstop
Contour Logo
2:45 pm - 4:05 pm
ORD
-
UIN
1h 20mnonstop
$96Contour
Mon, Jun 1 - Mon, Jun 8
United Airlines Logo
5:29 pm - 7:00 pm
STL
-
ORD
1h 31mnonstop
United Airlines Logo
2:20 pm - 3:46 pm
ORD
-
STL
1h 26mnonstop
$191United Airlines
Thu, May 28 - Mon, Jun 1
American Airlines Logo
9:08 am - 10:40 am
STL
-
ORD
1h 32mnonstop
American Airlines Logo
7:04 pm - 8:30 pm
ORD
-
STL
1h 26mnonstop
$192American Airlines
Thu, May 28 - Mon, Jun 1
American Airlines Logo
7:00 am - 8:29 am
STL
-
ORD
1h 29mnonstop
American Airlines Logo
10:40 pm - 11:54 pm
ORD
-
STL
1h 14mnonstop
$193American Airlines
Tue, Aug 4 - Tue, Aug 11
Frontier Logo
6:33 pm - 7:53 am
STL
-
ORD
13h 20m
1 stop
Frontier Logo
7:05 am - 7:23 pm
ORD
-
STL
12h 18m
2 stops
$200Frontier
Mon, Jun 1 - Sun, Jun 7
United Airlines Logo
8:54 am - 10:52 am
JLN
-
ORD
1h 58mnonstop
United Airlines Logo
11:32 am - 1:22 pm
ORD
-
JLN
1h 50mnonstop
$201United Airlines
Mon, Jun 22 - Mon, Jun 29
Frontier Logo
5:06 pm - 8:03 am
STL
-
ORD
14h 57m
1 stop
Frontier Logo
9:10 am - 6:18 pm
ORD
-
STL
9h 08m
1 stop
$202Frontier
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$67
Best time to beat the crowds with an average 2% drop in price.
Flight from St. Louis to Chicago O'Hare Airport

Flights from Missouri to O'Hare Intl: the best tips from KAYAK users

Insights shared by verified travelers who flew the route from Missouri to O'Hare Intl 
Learn how KAYAK collects reviews and tips from users.
Verified travelerFlew with American Airlines
SGF
-
ORD
May 2026
Arrive airport early, esp if checking bags - std procedure but vital here
valerieFlew with Air Canada
STL
-
ORD
Jan 2025
Usually it is unreliable - always leave lots of time for connection.

FAQs for booking Missouri to Chicago O'Hare Airport flights

  • How does KAYAK find such low prices on flights from Missouri 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 Missouri 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 Missouri 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 Missouri 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 Missouri 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 Missouri with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Missouri 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 Missouri up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near O'Hare Intl?

Book flights to O'Hare Intl if you plan to visit one of these locations
Gurnee
South Haven
Merrillville
Oak Brook
Saint Joseph
Tinley Park
Elk Grove Village
Hammond
Des Plaines
Hoffman Estates
Portage
Willowbrook
South Holland
Delavan
Northbrook
Lansing
Lisle
Pleasant Prairie
Elmhurst
Valparaiso

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

Information on your arrival and departure airports

Chicago O'Hare Airport (ORD)