$47+ 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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ORD
Sep 26 — Oct 31
Round-trip
1 adult, Economy
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1. Tell us where you want to go
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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 August 27, 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 August 27, 2026.
This Booking.com deal was found by Cheapflights users on 8/24. 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.
Tue 9/83:25 pm -
Nonstop1h 45m
Sat 9/1212:30 pm -
Nonstop1h 25m
Deal found 8/24![Contour logo]()
$103
This Booking.com deal was found by Cheapflights users on 8/25. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:55 am -
Nonstop1h 45m
Sun 9/1312:30 pm -
Nonstop1h 25m
Deal found 8/25![Contour logo]()
$104
This Mytrip deal was found by Cheapflights users on 8/23. 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 10/219:55 am -
Nonstop1h 45m
Tue 11/312:30 pm -
Nonstop1h 25m
Deal found 8/23![Contour logo]()
$107
This American Airlines deal was found by Cheapflights users on 8/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:27 am -
Nonstop1h 38m
Tue 10/1311:05 am -
Nonstop1h 30m
Deal found 8/26![American Airlines logo]()
$117
This Contour deal was found by Cheapflights users on 8/24. 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 9/193:25 pm -
Nonstop1h 45m
Tue 9/2212:30 pm -
Nonstop1h 25m
Deal found 8/24![Contour logo]()
$118
This American Airlines deal was found by Cheapflights users on 8/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:00 am -
Nonstop1h 29m
Thu 9/2411:05 pm -
Nonstop1h 22m
Deal found 8/26![American Airlines logo]()
$118
This Super.com deal was found by Cheapflights users on 8/25. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/288:10 pm -
1 stop28h 13m
Wed 9/306:20 am -
1 stop6h 50m
Deal found 8/25![Frontier logo]()
$124
This CheapOair deal was found by Cheapflights users on 8/23. 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.
Thu 10/224:30 pm -
1 stop15h 01m
Mon 10/266:20 am -
1 stop10h 38m
Deal found 8/23![Frontier logo]()
$128
This CheapOair deal was found by Cheapflights users on 8/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/238:10 pm -
1 stop28h 13m
Wed 9/306:20 am -
1 stop6h 50m
Deal found 8/26![Frontier logo]()
$129
This Trip.com deal was found by Cheapflights users on 8/23. 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.
Mon 9/148:10 pm -
1 stop28h 13m
Wed 9/166:20 am -
1 stop6h 50m
Deal found 8/23![Frontier logo]()
$130
This Mytrip deal was found by Cheapflights users on 8/23. 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 9/79:55 am -
Nonstop1h 45m
Fri 9/1112:30 pm -
Nonstop1h 25m
Deal found 8/23![Contour logo]()
$132
This United Airlines deal was found by Cheapflights users on 8/25. 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 10/29:04 am -
Nonstop1h 36m
Mon 10/57:50 pm -
Nonstop1h 31m
Deal found 8/25![United Airlines logo]()
$134
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 August 27, 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 August 27, 2026.
This Booking.com deal was found by Cheapflights users on 8/22. 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 10/159:55 am -
Nonstop1h 45m
Sat 10/1712:30 pm -
Nonstop1h 25m
Deal found 8/22![Contour logo]()
$103
This United Airlines deal was found by Cheapflights users on 8/26. 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 9/235:30 pm -
Nonstop1h 31m
Wed 9/3012:45 pm -
Nonstop1h 32m
Deal found 8/26![United Airlines logo]()
$117
This Delta deal was found by Cheapflights users on 8/22. 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.
Mon 10/122:38 pm -
1 stop3h 51m
Tue 10/138:29 am -
1 stop5h 24m
Deal found 8/22![Delta logo]()
$157
This Booking.com deal was found by Cheapflights users on 8/23. 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.
Wed 10/219:55 am -
Nonstop1h 45m
Tue 11/312:30 pm -
Nonstop1h 25m
Deal found 8/23![Contour logo]()
$103
This Mytrip deal was found by Cheapflights users on 8/26. 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 10/169:55 am -
Nonstop1h 45m
Wed 10/2112:30 pm -
Nonstop1h 25m
Deal found 8/26![Contour logo]()
$104
This United Airlines deal was found by Cheapflights users on 8/24. 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.
Mon 9/218:00 am -
Nonstop1h 34m
Mon 9/287:50 pm -
Nonstop1h 31m
Deal found 8/24![United Airlines logo]()
$117
This Booking.com deal was found by Cheapflights users on 8/25. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:55 am -
Nonstop1h 45m
Sun 9/1312:30 pm -
Nonstop1h 25m
Deal found 8/25![Contour logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 10/169:55 am -
Nonstop1h 45m
Wed 10/216:30 am -
2 stops26h 55m
Deal found 8/26![Multiple Airlines logo]()
$267
This Delta deal was found by Cheapflights users on 8/23. 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 10/76:47 am -
1 stop3h 42m
Wed 10/141:55 pm -
1 stop6h 56m
Deal found 8/23![Delta logo]()
$157
This Contour deal was found by Cheapflights users on 8/26. 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 Contour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/193:25 pm -
Nonstop1h 45m
Tue 9/2212:30 pm -
Nonstop1h 25m
Deal found 8/26![Contour logo]()
$118
This Delta deal was found by Cheapflights users on 8/22. 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 10/34:10 pm -
1 stop4h 20m
Sat 10/1011:09 am -
1 stop4h 28m
Deal found 8/22![Delta logo]()
$157
This Mytrip deal was found by Cheapflights users on 8/22. 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 9/69:50 am -
Nonstop1h 55m
Thu 9/1011:15 am -
Nonstop1h 35m
Deal found 8/22![Contour logo]()
$166
This United Airlines deal was found by Cheapflights users on 8/23. 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 11/116:01 am -
Nonstop1h 58m
Sun 11/157:59 am -
Nonstop2h 00m
Deal found 8/23![United Airlines logo]()
$241
This Kiwi.com deal was found by Cheapflights users on 8/27. 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.
Fri 9/119:55 am -
Nonstop1h 45m
Tue 9/153:50 pm -
2 stops41h 35m
Deal found 8/27![Multiple Airlines logo]()
$272
This Gotogate deal was found by Cheapflights users on 8/26. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/239:50 am -
Nonstop1h 55m
Fri 9/2511:15 am -
Nonstop1h 35m
Deal found 8/26![Contour logo]()
$172
This United Airlines deal was found by Cheapflights users on 8/24. 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.
Sat 2/67:02 am -
Nonstop1h 47m
Tue 2/910:30 am -
Nonstop1h 49m
Deal found 8/24![United Airlines logo]()
$241
This Kiwi.com deal was found by Cheapflights users on 8/24. 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.
Tue 9/83:25 pm -
Nonstop1h 45m
Sat 9/126:30 am -
2 stops26h 55m
Deal found 8/24![Multiple Airlines logo]()
$290
This Contour deal was found by Cheapflights users on 8/22. 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.
Mon 9/79:50 am -
Nonstop1h 55m
Fri 9/1111:15 am -
Nonstop1h 35m
Deal found 8/22![Contour logo]()
$183
This United Airlines deal was found by Cheapflights users on 8/25. 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.
Wed 9/236:15 am -
Nonstop1h 39m
Sat 9/269:00 am -
Nonstop1h 39m
Deal found 8/25![United Airlines logo]()
$249
This Delta deal was found by Cheapflights users on 8/23. 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 10/216:00 am -
1 stop6h 13m
Sat 10/2411:19 am -
2 stops10h 00m
Deal found 8/23![Delta logo]()
$284
This Contour deal was found by Cheapflights users on 8/22. 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.
Fri 9/259:50 am -
Nonstop1h 55m
Sun 9/2711:15 am -
Nonstop1h 35m
Deal found 8/22![Contour logo]()
$183
This United Airlines deal was found by Cheapflights users on 8/25. 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.
Thu 10/811:15 am -
Nonstop1h 43m
Sat 10/109:20 pm -
Nonstop1h 35m
Deal found 8/25![United Airlines logo]()
$249
This Delta deal was found by Cheapflights users on 8/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/83:30 pm -
1 stop6h 07m
Mon 1/115:20 pm -
1 stop5h 57m
Deal found 8/25![Delta logo]()
$288
This United Airlines deal was found by Cheapflights users on 8/22. 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 10/167:01 pm -
Nonstop1h 29m
Sun 10/187:50 pm -
Nonstop1h 31m
Deal found 8/22![United Airlines logo]()
$249
This Booking.com deal was found by Cheapflights users on 8/25. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:50 am -
Nonstop1h 55m
Sun 9/1311:15 am -
Nonstop1h 35m
Deal found 8/25![Contour logo]()
$198
This Delta deal was found by Cheapflights users on 8/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/135:18 pm -
1 stop6h 36m
Sun 11/158:04 am -
1 stop6h 41m
Deal found 8/26![Delta logo]()
$299
This United Airlines deal was found by Cheapflights users on 8/26. 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.
Sat 10/105:05 pm -
Nonstop1h 53m
Mon 10/128:13 pm -
Nonstop1h 47m
Deal found 8/26![United Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 8/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/312:01 pm -
1 stop6h 55m
Tue 10/63:40 pm -
1 stop6h 39m
Deal found 8/26![Delta logo]()
$299
This United Airlines deal was found by Cheapflights users on 8/22. 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.
Sun 9/208:00 am -
Nonstop1h 34m
Fri 9/259:30 pm -
Nonstop1h 29m
Deal found 8/22![United Airlines logo]()
$260
This Delta deal was found by Cheapflights users on 8/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/293:25 pm -
1 stop5h 13m
Sat 10/3110:55 am -
2 stops10h 24m
Deal found 8/26![Delta logo]()
$304
Last-minute flights from Missouri to O'Hare IntlDiscover last-minute flight deals from Missouri to O'Hare Intl. Data last updated August 27, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to O'Hare Intl. Data last updated August 27, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 8/23. 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 9/79:55 am -
Nonstop1h 45m
Fri 9/1112:30 pm -
Nonstop1h 25m
Deal found 8/23![Contour logo]()
$132
This Booking.com deal was found by Cheapflights users on 8/24. 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.
Tue 9/83:25 pm -
Nonstop1h 45m
Sat 9/1212:30 pm -
Nonstop1h 25m
Deal found 8/24![Contour logo]()
$103
This Booking.com deal was found by Cheapflights users on 8/25. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:55 am -
Nonstop1h 45m
Sun 9/1312:30 pm -
Nonstop1h 25m
Deal found 8/25![Contour logo]()
$104
This Trip.com deal was found by Cheapflights users on 8/22. 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.
Sat 9/128:10 pm -
1 stop28h 13m
Mon 9/146:30 am -
1 stop12h 47m
Deal found 8/22![Frontier logo]()
$135
This Trip.com deal was found by Cheapflights users on 8/23. 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.
Mon 9/148:10 pm -
1 stop28h 13m
Wed 9/166:20 am -
1 stop6h 50m
Deal found 8/23![Frontier logo]()
$130
This American Airlines deal was found by Cheapflights users on 8/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:00 am -
Nonstop1h 29m
Thu 9/2411:05 pm -
Nonstop1h 22m
Deal found 8/26![American Airlines logo]()
$118
This United Airlines deal was found by Cheapflights users on 8/26. 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.
Fri 9/188:00 am -
Nonstop1h 34m
Sat 10/35:30 pm -
Nonstop1h 31m
Deal found 8/26![United Airlines logo]()
$134
This United Airlines deal was found by Cheapflights users on 8/22. 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.
Sat 9/196:53 pm -
Nonstop1h 36m
Sat 9/262:12 pm -
Nonstop1h 31m
Deal found 8/22![United Airlines logo]()
$117
This Contour deal was found by Cheapflights users on 8/26. 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 Contour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/193:25 pm -
Nonstop1h 45m
Tue 9/2212:30 pm -
Nonstop1h 25m
Deal found 8/26![Contour logo]()
$118
This Super.com deal was found by Cheapflights users on 8/24. 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.
Mon 9/218:10 pm -
1 stop28h 13m
Wed 9/236:20 am -
1 stop6h 50m
Deal found 8/24![Frontier logo]()
$142
This CheapOair deal was found by Cheapflights users on 8/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/238:10 pm -
1 stop28h 13m
Wed 9/306:20 am -
1 stop6h 50m
Deal found 8/26![Frontier logo]()
$129
This Super.com deal was found by Cheapflights users on 8/25. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/288:10 pm -
1 stop28h 13m
Wed 9/306:20 am -
1 stop6h 50m
Deal found 8/25![Frontier logo]()
$124
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 August 27, 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 August 27, 2026.
This Booking.com deal was found by Cheapflights users on 8/24. 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.
Mon 9/79:55 am -
Nonstop1h 45m
Deal found 8/24![Contour logo]()
$47
This Booking.com deal was found by Cheapflights users on 8/25. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/169:55 am -
Nonstop1h 45m
Deal found 8/25![Contour logo]()
$48
This Booking.com deal was found by Cheapflights users on 8/22. 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.
Wed 9/99:55 am -
Nonstop1h 45m
Deal found 8/22![Contour logo]()
$52
This United Airlines deal was found by Cheapflights users on 8/24. 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 10/16:00 am -
Nonstop1h 36m
Deal found 8/24![United Airlines logo]()
$59
This American Airlines deal was found by Cheapflights users on 8/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/125:00 am -
Nonstop1h 26m
Deal found 8/26![American Airlines logo]()
$60
This Super.com deal was found by Cheapflights users on 8/25. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/288:10 pm -
1 stop28h 13m
Deal found 8/25![Frontier logo]()
$64
This Frontier deal was found by Cheapflights users on 8/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/110:20 am -
1 stop9h 15m
Deal found 8/26![Frontier logo]()
$65
This CheapOair deal was found by Cheapflights users on 8/24. 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.
Wed 9/238:10 pm -
1 stop28h 13m
Deal found 8/24![Frontier logo]()
$66
This CheapOair deal was found by Cheapflights users on 8/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1512:17 pm -
1 stop17h 21m
Deal found 8/25![Frontier logo]()
$70
This American Airlines deal was found by Cheapflights users on 8/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:21 am -
Nonstop1h 38m
Deal found 8/26![American Airlines logo]()
$76
This Delta deal was found by Cheapflights users on 8/24. 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 9/231:55 pm -
1 stop6h 35m
Deal found 8/24![Delta logo]()
$79
This Booking.com deal was found by Cheapflights users on 8/24. 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 9/269:50 am -
Nonstop1h 55m
Deal found 8/24![Contour logo]()
$80
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 August 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $103 (Booking.com) |
One-way from | $47 (Booking.com) |
Popular in | July |
Cheapest in | November |
Average price | $387 |
Good round-trip deal | $138 or less |
Good one-way deal | $254 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 7,457,451 searches. Data last updated August 27, 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
QuincyChicago
UIN Quincy Regional - ORD Chicago O'Hare Intl
UINORD
Quincy Regional
Thu 10/15
9:55 am-11:40 am
Nonstop1h 45m
Chicago O'Hare Intl
Sat 10/17
12:30 pm-1:55 pm
Nonstop1h 25m
$103
QuincyChicago
UIN Quincy Regional - ORD Chicago O'Hare Intl
UINORD
Quincy Regional
Wed 10/21
9:55 am-11:40 am
Nonstop1h 45m
Chicago O'Hare Intl
Tue 11/3
12:30 pm-1:55 pm
Nonstop1h 25m
$103
QuincyChicago
UIN Quincy Regional - ORD Chicago O'Hare Intl
UINORD
Quincy Regional
Fri 10/16
9:55 am-11:40 am
Nonstop1h 45m
Chicago O'Hare Intl
Wed 10/21
12:30 pm-1:55 pm
Nonstop1h 25m
$104
QuincyChicago
UIN Quincy Regional - ORD Chicago O'Hare Intl
UINORD
Quincy Regional
Wed 9/9
9:55 am-11:40 am
Nonstop1h 45m
Chicago O'Hare Intl
Sun 9/13
12:30 pm-1:55 pm
Nonstop1h 25m
$104
St. LouisChicago
STL Lambert-St Louis - ORD Chicago O'Hare Intl
STLORD
Lambert-St Louis
Wed 9/23
5:30 pm-7:01 pm
Nonstop1h 31m
Chicago O'Hare Intl
Wed 9/30
12:45 pm-2:17 pm
Nonstop1h 32m
$117
St. LouisChicago
STL Lambert-St Louis - ORD Chicago O'Hare Intl
STLORD
Lambert-St Louis
Mon 9/21
8:00 am-9:34 am
Nonstop1h 34m
Chicago O'Hare Intl
Mon 9/28
7:50 pm-9:21 pm
Nonstop1h 31m
$117
QuincyChicago
UIN Quincy Regional - ORD Chicago O'Hare Intl
UINORD
Quincy Regional
Sat 9/19
3:25 pm-5:10 pm
Nonstop1h 45m
Chicago O'Hare Intl
Tue 9/22
12:30 pm-1:55 pm
Nonstop1h 25m
$118
St. LouisChicago
STL Lambert-St Louis - ORD Chicago O'Hare Intl
STLORD
Lambert-St Louis
Mon 10/12
2:38 pm-6:29 pm
1 stop3h 51m
Chicago O'Hare Intl
Tue 10/13
8:29 am-1:53 pm
1 stop5h 24m
$157
St. LouisChicago
STL Lambert-St Louis - ORD Chicago O'Hare Intl
STLORD
Lambert-St Louis
Wed 10/7
6:47 am-10:29 am
1 stop3h 42m
Chicago O'Hare Intl
Wed 10/14
1:55 pm-8:51 pm
1 stop6h 56m
$157
St. LouisChicago
STL Lambert-St Louis - ORD Chicago O'Hare Intl
STLORD
Lambert-St Louis
Sat 10/3
4:10 pm-8:30 pm
1 stop4h 20m
Chicago O'Hare Intl
Sat 10/10
11:09 am-3:37 pm
1 stop4h 28m
$157
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
STL-ORD
CGI-ORD
MCI-ORD
JLN-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
STL-ORD
CGI-ORD
MCI-ORD
What is the cheapest month to book a flight from Missouri to Chicago O'Hare Intl Airport?
Currently, December is the cheapest month in which you can book a flight from Missouri to Chicago O'Hare Intl Airport (average of $253). Flying from Missouri to Chicago O'Hare Intl Airport in June is currently the most expensive (average of $391). 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 August 27, 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 45% on your trip compared to booking a flight in the evening.
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 August 27, 2026.
The most flights from USMO to ORD are scheduled on a Wednesday (66 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (31 on average).
How much does it cost to fly round-trip from Missouri to Chicago O'Hare Intl Airport?
Airfare is below average for this route at the moment.
Missouri to Chicago O'Hare Intl Airport flights typically cost between $183 and $526 in October.The cheapest round-trip price found within the last 5 days was $117 on American Airlines (Oct 1-Oct 13).
How far ahead should I book a flight from Missouri to Chicago O'Hare Intl Airport?
To ensure you get the cheapest price possible for a flight from Missouri to Chicago O'Hare Intl Airport, you should look to book at least 79 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
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 August 22, 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. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
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 locationsBenton Harbor
Rosemont
Naperville
Lake Geneva
Schaumburg
Oak Brook
Oakbrook Terrace
Delavan
South Holland
Libertyville
Glenview
Orland Park
Hoffman Estates
Aurora
Beloit
Rockford
Racine
Great Lakes
Janesville
Gurnee
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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 August 27, 2026.
Missouri and O'Hare Intl flights
Browse other Missouri and O'Hare Intl flight options. Last updated on August 27, 2026.
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Missouri to O'Hare Intl flights
Consider these flights traveling from Missouri to O'Hare Intl.
Top 4 airlines flying from Missouri to O'Hare Intl
Discover the top 4 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 7,457,451 searches. Data last updated August 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$62 | Average$164 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$97 | Average$312 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$128 | Average$347 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$158 | Average$182 | FlexibilityNo cancel fee | On-time62% |