$45+ Cheap flights from Missouri to O'Hare Intl (ORD)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ORD
Apr 29 — May 61
Round-trip
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Missouri to O'Hare IntlExplore the most affordable flight options available from Missouri to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 30, 2026.
Explore the most affordable flight options available from Missouri to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 30, 2026.
This Mytrip deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/255:25 pm
UIN
- ORD
Nonstop1h 35m
Contour
Fri 5/297:40 pm
ORD
- UIN
Nonstop1h 20m
Contour
Deal found 3/30![Contour logo]()
$89
This Mytrip deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/155:25 pm
UIN
- ORD
Nonstop1h 35m
Contour
Sat 5/162:45 pm
ORD
- UIN
Nonstop1h 20m
Contour
Deal found 3/26![Contour logo]()
$91
This Mytrip deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/105:25 pm
UIN
- ORD
Nonstop1h 35m
Contour
Tue 4/142:45 pm
ORD
- UIN
Nonstop1h 20m
Contour
Deal found 3/26![Contour logo]()
$92
This Mytrip deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/149:45 am
UIN
- ORD
Nonstop1h 35m
Contour
Sat 4/182:45 pm
ORD
- UIN
Nonstop1h 20m
Contour
Deal found 3/29![Contour logo]()
$93
This Mytrip deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/139:45 am
UIN
- ORD
Nonstop1h 35m
Contour
Fri 4/177:40 pm
ORD
- UIN
Nonstop1h 20m
Contour
Deal found 3/29![Contour logo]()
$94
This Contour deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Contour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/29:45 am
UIN
- ORD
Nonstop1h 35m
Contour
Wed 5/67:40 pm
ORD
- UIN
Nonstop1h 20m
Contour
Deal found 3/29![Contour logo]()
$108
This Mytrip deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/129:45 am
CGI
- ORD
Nonstop1h 45m
Contour
Thu 4/1612:10 pm
ORD
- CGI
Nonstop1h 40m
Contour
Deal found 3/27![Contour logo]()
$121
This Booking.com deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/21:30 pm
CGI
- ORD
Nonstop1h 45m
Contour
Tue 5/512:10 pm
ORD
- CGI
Nonstop1h 40m
Contour
Deal found 3/27![Contour logo]()
$122
This Mytrip deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/125:25 pm
UIN
- ORD
Nonstop1h 35m
Contour
Tue 4/142:45 pm
ORD
- UIN
Nonstop1h 20m
Contour
Deal found 3/30![Contour logo]()
$136
This Contour deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Contour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/21:30 pm
CGI
- ORD
Nonstop1h 45m
Contour
Wed 5/63:55 pm
ORD
- CGI
Nonstop1h 40m
Contour
Deal found 3/29![Contour logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/273:21 pm
STL
- ORD
1 stop16h 44m
Multiple Airlines
Tue 4/286:08 pm
ORD
- STL
1 stop12h 42m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$178
This Priceline deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/17:01 pm
STL
- ORD
1 stop5h 51m
Frontier
Sat 5/912:05 pm
ORD
- STL
1 stop5h 59m
Frontier
Deal found 3/28![Frontier logo]()
$180
Best flights from Missouri to O'Hare IntlDiscover carefully curated flight deals from Missouri to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 30, 2026.
Discover carefully curated flight deals from Missouri to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 30, 2026.
This Mytrip deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/255:25 pm
UIN
- ORD
Nonstop1h 35m
Contour
Fri 5/297:40 pm
ORD
- UIN
Nonstop1h 20m
Contour
Deal found 3/30![Contour logo]()
$89
This Mytrip deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/155:25 pm
UIN
- ORD
Nonstop1h 35m
Contour
Sat 5/162:45 pm
ORD
- UIN
Nonstop1h 20m
Contour
Deal found 3/26![Contour logo]()
$91
This United Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/19:06 am
JLN
- ORD
Nonstop1h 54m
United Airlines
Sun 5/311:40 am
ORD
- JLN
Nonstop1h 57m
United Airlines
Deal found 3/30![United Airlines logo]()
$201
This Mytrip deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/129:45 am
UIN
- ORD
Nonstop1h 35m
Contour
Thu 4/162:45 pm
ORD
- UIN
Nonstop1h 20m
Contour
Deal found 3/28![Contour logo]()
$92
This Delta deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/206:45 am
STL
- ORD
1 stop6h 16m
Delta
Wed 5/276:24 am
ORD
- STL
1 stop4h 08m
Delta
Deal found 3/27![Delta logo]()
$211
This Southwest deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/256:10 am
STL
- ORD
1 stop5h 20m
Southwest
Mon 4/274:15 pm
ORD
- STL
1 stop6h 25m
Southwest
Deal found 3/29![Southwest logo]()
$211
This Mytrip deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/149:45 am
UIN
- ORD
Nonstop1h 35m
Contour
Sat 4/182:45 pm
ORD
- UIN
Nonstop1h 20m
Contour
Deal found 3/29![Contour logo]()
$93
This American Airlines deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2710:16 am
COU
- ORD
Nonstop1h 31m
American Airlines
Sat 5/167:55 pm
ORD
- COU
Nonstop1h 34m
American Airlines
Deal found 3/25![American Airlines logo]()
$239
This Mytrip deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/139:45 am
UIN
- ORD
Nonstop1h 35m
Contour
Fri 4/177:40 pm
ORD
- UIN
Nonstop1h 20m
Contour
Deal found 3/29![Contour logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/103:30 pm
CGI
- ORD
1 stop24h 40m
Multiple Airlines
Sun 7/1212:10 pm
ORD
- CGI
Nonstop1h 40m
Multiple Airlines
Deal found 3/26![Multiple Airlines logo]()
$266
This Contour deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Contour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/29:45 am
UIN
- ORD
Nonstop1h 35m
Contour
Wed 5/67:40 pm
ORD
- UIN
Nonstop1h 20m
Contour
Deal found 3/25![Contour logo]()
$108
This Mytrip deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/129:45 am
CGI
- ORD
Nonstop1h 45m
Contour
Thu 4/1612:10 pm
ORD
- CGI
Nonstop1h 40m
Contour
Deal found 3/27![Contour logo]()
$121
This Delta deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/21:03 pm
STL
- ORD
1 stop5h 45m
Delta
Mon 5/47:09 pm
ORD
- STL
1 stop4h 04m
Delta
Deal found 3/28![Delta logo]()
$211
This Delta deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/510:50 am
STL
- ORD
1 stop5h 28m
Delta
Wed 5/65:15 am
ORD
- STL
1 stop5h 19m
Delta
Deal found 3/29![Delta logo]()
$211
This United Airlines deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/103:05 pm
COU
- ORD
Nonstop1h 41m
United Airlines
Sat 6/138:08 pm
ORD
- COU
Nonstop1h 51m
United Airlines
Deal found 3/26![United Airlines logo]()
$239
This Contour deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Contour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/21:30 pm
CGI
- ORD
Nonstop1h 45m
Contour
Wed 5/63:55 pm
ORD
- CGI
Nonstop1h 40m
Contour
Deal found 3/25![Contour logo]()
$139
This American Airlines deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/163:36 pm
SGF
- ORD
1 stop8h 18m
American Airlines
Mon 4/208:43 pm
ORD
- SGF
Nonstop1h 55m
American Airlines
Deal found 3/25![American Airlines logo]()
$259
This Delta deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:45 am
STL
- ORD
1 stop6h 16m
Delta
Sat 5/99:25 am
ORD
- STL
2 stops7h 21m
Delta
Deal found 3/29![Delta logo]()
$216
This United Airlines deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/85:00 am
COU
- ORD
Nonstop1h 30m
United Airlines
Mon 5/1111:05 pm
ORD
- COU
Nonstop1h 43m
United Airlines
Deal found 3/25![United Airlines logo]()
$239
This Southwest deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/145:30 am
MCI
- ORD
2 stops7h 20m
Southwest
Tue 4/211:35 pm
ORD
- MCI
1 stop9h 05m
Southwest
Deal found 3/26![Southwest logo]()
$265
This Kiwi.com deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/21:30 pm
CGI
- ORD
Nonstop1h 45m
Multiple Airlines
Tue 5/58:00 am
ORD
- CGI
1 stop12h 35m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$281
This Delta deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2111:42 am
STL
- ORD
1 stop5h 00m
Delta
Tue 5/51:36 pm
ORD
- STL
2 stops9h 37m
Delta
Deal found 3/28![Delta logo]()
$216
This United Airlines deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/105:00 am
COU
- ORD
Nonstop1h 41m
United Airlines
Sat 7/259:15 am
ORD
- COU
Nonstop1h 33m
United Airlines
Deal found 3/28![United Airlines logo]()
$239
This United Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/245:00 am
COU
- ORD
Nonstop1h 41m
United Airlines
Sun 7/2611:00 pm
ORD
- COU
Nonstop1h 33m
United Airlines
Deal found 3/27![United Airlines logo]()
$239
This Southwest deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/229:35 am
MCI
- ORD
1 stop5h 25m
Southwest
Sat 4/2512:15 pm
ORD
- MCI
1 stop8h 25m
Southwest
Deal found 3/29![Southwest logo]()
$311
This United Airlines deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/315:00 am
COU
- ORD
Nonstop1h 41m
United Airlines
Sun 8/29:15 am
ORD
- COU
Nonstop1h 33m
United Airlines
Deal found 3/28![United Airlines logo]()
$239
This Mytrip deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/99:45 am
UIN
- ORD
Nonstop1h 35m
Contour
Sun 4/127:40 pm
ORD
- UIN
Nonstop1h 20m
Contour
Deal found 3/30![Contour logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/169:45 am
CGI
- ORD
Nonstop1h 45m
Multiple Airlines
Mon 4/2010:07 pm
ORD
- CGI
3 stops46h 28m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$329
This American Airlines deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/227:39 pm
SGF
- ORD
Nonstop2h 06m
American Airlines
Sat 6/66:00 am
ORD
- SGF
1 stop6h 16m
American Airlines
Deal found 3/25![American Airlines logo]()
$347
This United Airlines deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/235:00 am
COU
- ORD
Nonstop1h 41m
United Airlines
Sun 7/2611:00 pm
ORD
- COU
Nonstop1h 33m
United Airlines
Deal found 3/28![United Airlines logo]()
$239
Last-minute flights from Missouri to O'Hare IntlDiscover last-minute flight deals from Missouri to O'Hare Intl. Data last updated March 30, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to O'Hare Intl. Data last updated March 30, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/711:21 am
STL
- ORD
1 stop11h 18m
Frontier
Fri 5/85:30 pm
ORD
- STL
1 stop6h 51m
Frontier
Deal found 3/30![Frontier logo]()
$181
This Mytrip deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/89:45 am
UIN
- ORD
Nonstop1h 35m
Contour
Thu 4/97:40 pm
ORD
- UIN
Nonstop1h 20m
Contour
Deal found 3/27![Contour logo]()
$183
This Mytrip deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/99:45 am
UIN
- ORD
Nonstop1h 35m
Contour
Sun 4/127:40 pm
ORD
- UIN
Nonstop1h 20m
Contour
Deal found 3/30![Contour logo]()
$182
This Mytrip deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/105:25 pm
UIN
- ORD
Nonstop1h 35m
Contour
Tue 4/142:45 pm
ORD
- UIN
Nonstop1h 20m
Contour
Deal found 3/26![Contour logo]()
$92
This CheapOair deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/129:45 am
UIN
- ORD
Nonstop1h 35m
Contour
Wed 4/157:40 pm
ORD
- UIN
Nonstop1h 20m
Contour
Deal found 3/28![Contour logo]()
$108
This Mytrip deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/129:45 am
CGI
- ORD
Nonstop1h 45m
Contour
Thu 4/1612:10 pm
ORD
- CGI
Nonstop1h 40m
Contour
Deal found 3/27![Contour logo]()
$121
This Mytrip deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/125:25 pm
UIN
- ORD
Nonstop1h 35m
Contour
Tue 4/142:45 pm
ORD
- UIN
Nonstop1h 20m
Contour
Deal found 3/30![Contour logo]()
$136
This Mytrip deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/139:45 am
UIN
- ORD
Nonstop1h 35m
Contour
Fri 4/177:40 pm
ORD
- UIN
Nonstop1h 20m
Contour
Deal found 3/29![Contour logo]()
$94
This Mytrip deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/149:45 am
UIN
- ORD
Nonstop1h 35m
Contour
Sat 4/182:45 pm
ORD
- UIN
Nonstop1h 20m
Contour
Deal found 3/29![Contour logo]()
$93
This Mytrip deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/169:45 am
CGI
- ORD
Nonstop1h 45m
Contour
Mon 4/2012:10 pm
ORD
- CGI
Nonstop1h 40m
Contour
Deal found 3/30![Contour logo]()
$123
This Mytrip deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/209:45 am
CGI
- ORD
Nonstop1h 45m
Contour
Thu 4/2312:10 pm
ORD
- CGI
Nonstop1h 40m
Contour
Deal found 3/30![Contour logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/273:21 pm
STL
- ORD
1 stop16h 44m
Multiple Airlines
Tue 4/286:08 pm
ORD
- STL
1 stop12h 42m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$178
One-way flights from Missouri to O'Hare IntlSearch for one-way flight options from Missouri to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated March 30, 2026.
Search for one-way flight options from Missouri to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated March 30, 2026.
This Booking.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/149:45 am
UIN
- ORD
Nonstop1h 35m
Contour
Deal found 3/29![Contour logo]()
$45
This Booking.com deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/269:45 am
CGI
- ORD
Nonstop1h 45m
Contour
Deal found 3/28![Contour logo]()
$59
This Kiwi.com deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/36:24 pm
MCI
- ORD
1 stop13h 31m
Frontier
Deal found 3/25![Frontier logo]()
$68
This Expedia deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/232:34 pm
MCI
- ORD
1 stop6h 03m
Frontier
Deal found 3/28![Frontier logo]()
$70
This Super.com deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/188:17 pm
STL
- ORD
1 stop13h 28m
Frontier
Deal found 3/28![Frontier logo]()
$75
This Expedia deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3011:53 am
MCI
- ORD
1 stop10h 46m
Frontier
Deal found 3/30![Frontier logo]()
$76
This Frontier deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/273:21 pm
STL
- ORD
1 stop9h 31m
Frontier
Deal found 3/27![Frontier logo]()
$76
This Trip.com deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1611:53 am
MCI
- ORD
1 stop10h 46m
Frontier
Deal found 3/27![Frontier logo]()
$78
This Kiwi.com deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/111:45 pm
MCI
- ORD
1 stop7h 08m
Frontier
Deal found 3/26![Frontier logo]()
$83
This Kiwi.com deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2411:19 am
MCI
- ORD
1 stop24h 14m
Frontier
Deal found 3/26![Frontier logo]()
$89
This Frontier deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/272:34 pm
MCI
- ORD
1 stop6h 03m
Frontier
Deal found 3/27![Frontier logo]()
$90
This Priceline deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/17:01 pm
STL
- ORD
1 stop5h 51m
Frontier
Deal found 3/30![Frontier logo]()
$90
Find flight deals from Missouri to O'Hare Intl
Keep the following information in mind while searching for Missouri to O'Hare Intl flight deals. Data was last updated March 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $91 (Mytrip) |
One-way from | $45 (Booking.com) |
Popular in | January |
Cheapest in | August |
Average price | $310 |
Good round-trip deal | $118 or less |
Good one-way deal | $59 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Missouri to O'Hare Intl 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, Cheapflights users made 2,558,603 searches. Data last updated March 30, 2026.
Use the filters below to find and compare flights from Missouri to Chicago O'Hare Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
QuincyChicago
UIN - ORD
UINORD
Quincy Regional
Mon 5/25
5:25 pm-7:00 pm
Nonstop1h 35m
Chicago O'Hare Intl
Fri 5/29
7:40 pm-9:00 pm
Nonstop1h 20m
$89
QuincyChicago
UIN - ORD
UINORD
Quincy Regional
Fri 5/15
5:25 pm-7:00 pm
Nonstop1h 35m
Chicago O'Hare Intl
Sat 5/16
2:45 pm-4:05 pm
Nonstop1h 20m
$91
QuincyChicago
UIN - ORD
UINORD
Quincy Regional
Sun 4/12
9:45 am-11:20 am
Nonstop1h 35m
Chicago O'Hare Intl
Thu 4/16
2:45 pm-4:05 pm
Nonstop1h 20m
$92
QuincyChicago
UIN - ORD
UINORD
Quincy Regional
Tue 4/14
9:45 am-11:20 am
Nonstop1h 35m
Chicago O'Hare Intl
Sat 4/18
2:45 pm-4:05 pm
Nonstop1h 20m
$93
QuincyChicago
UIN - ORD
UINORD
Quincy Regional
Mon 4/13
9:45 am-11:20 am
Nonstop1h 35m
Chicago O'Hare Intl
Fri 4/17
7:40 pm-9:00 pm
Nonstop1h 20m
$94
QuincyChicago
UIN - ORD
UINORD
Quincy Regional
Sat 5/2
9:45 am-11:20 am
Nonstop1h 35m
Chicago O'Hare Intl
Wed 5/6
7:40 pm-9:00 pm
Nonstop1h 20m
$108
Cape GirardeauChicago
CGI - ORD
CGIORD
Cape Girardeau
Sun 4/12
9:45 am-11:30 am
Nonstop1h 45m
Chicago O'Hare Intl
Thu 4/16
12:10 pm-1:50 pm
Nonstop1h 40m
$121
Cape GirardeauChicago
CGI - ORD
CGIORD
Cape Girardeau
Sat 5/2
1:30 pm-3:15 pm
Nonstop1h 45m
Chicago O'Hare Intl
Wed 5/6
3:55 pm-5:35 pm
Nonstop1h 40m
$139
QuincyChicago
UIN - ORD
UINORD
Quincy Regional
Thu 4/9
9:45 am-11:20 am
Nonstop1h 35m
Chicago O'Hare Intl
Sun 4/12
7:40 pm-9:00 pm
Nonstop1h 20m
$182
JoplinChicago
JLN - ORD
JLNORD
Joplin
Fri 5/1
9:06 am-11:00 am
Nonstop1h 54m
Chicago O'Hare Intl
Sun 5/3
11:40 am-1:37 pm
Nonstop1h 57m
$201
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Missouri to O'Hare Intl
Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Missouri with our price prediction graph.
UIN-ORD
CGI-ORD
STL-ORD
MCI-ORD
COU-ORD
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Missouri to Chicago O'Hare Intl Airport
USMO-ORD
UIN-ORD
CGI-ORD
STL-ORD
MCI-ORD
What is the cheapest month to book a flight from Missouri to Chicago O'Hare Intl Airport?
Currently, September is the cheapest month in which you can book a flight from Missouri to Chicago O'Hare Intl Airport (average of $62). Flying from Missouri to Chicago O'Hare Intl Airport in January is currently the most expensive (average of $156). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from MO to ORD?
Find hourly flight availability from Missouri to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 30, 2026.
A simple way to save on the total cost of your ticket is to fly from Missouri to Chicago O'Hare Intl Airport in the morning. If you’re flexible enough to do this you can expect to save up to 47% on your trip compared to booking a flight in the evening.
What is the cheapest day to fly from Missouri to Chicago O'Hare Intl Airport?
Use this chart to determine the cheapest time to fly round-trip from Missouri to O'Hare Intl. Price data was last updated on March 28, 2026.
Travelers seeking maximum savings on their Missouri to Chicago O'Hare Intl Airport flight should consider departing on Friday at noon when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Missouri to Chicago O'Hare Intl Airport
Explore weekly flight availability from Missouri to O'Hare Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated March 30, 2026.
The most flights from USMO to ORD are scheduled on a Monday (73 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (23 on average).
How much does it cost to fly round-trip from Missouri to Chicago O'Hare Intl Airport?
Related info for your journey
Find useful and relevant information for your journey from Missouri to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Chicago O'Hare Intl Airport?
Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locationsSchaumburg
Rosemont
Gurnee
Naperville
Lake Geneva
Hoffman Estates
Delavan
Downers Grove
Des Plaines
Elgin
Oakbrook Terrace
South Holland
Elk Grove Village
Libertyville
Warrenville
Oak Brook
Bridgeview
Beloit
Great Lakes
Lansing
Browse thousands of different options on Cheapflights for your next trip
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Complete your trip to O'Hare Intl by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Missouri to O'Hare Intl by cabin class
Find flights from Missouri to O'Hare Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to O'Hare Intl
Explore flights to O'Hare Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on March 30, 2026.
Missouri and O'Hare Intl flights
Browse other Missouri and O'Hare Intl flight options. Last updated on March 30, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Missouri to O'Hare Intl flights
Consider these flights traveling from Missouri to O'Hare Intl.
Top 5 airlines flying from Missouri to O'Hare Intl
Discover the top 5 airlines that operate flights from Missouri to O'Hare Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$97 | Average$298 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$118 | Average$164 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$125 | Average$336 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$140 | Average$212 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$143 | Average$176 | FlexibilityNo cancel fee | On-time62% |