Cheap flights from Missouri to Illinois from $42
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 6/20. 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.
MCI — ORD
May 13 — May 201
From?
To?
1 adult, Economy
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What is the cheapest month to fly from Missouri to Illinois?
February can be a great time to fly to Illinois from Missouri with a flight ticket averaging about $305. Cheapflights users have found deals in the month of February for as cheap as $88. The most expensive prices can be found in the month of December.
When is the cheapest time to fly from Missouri to Illinois (MO - IL)?
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Missouri to Illinois as you normally would.
Cheap American Airlines flights from Missouri to Illinois
Explore cheap flight options specifically provided by American Airlines for the route between Missouri and Illinois. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 8, 2024.
Take a look at some of the lowest-priced American Airlines flights heading from Missouri to Illinois. Make sure to double check the flight details before booking.
Tue 6/185:48 amMCI - ORD
Nonstop1h 37mAmerican Airlines
Wed 6/266:49 pmORD - MCI
Nonstop1h 46mAmerican Airlines
Deal found 5/7$97
Wed 8/144:22 pmSTL - ORD
Nonstop1h 22mAmerican Airlines
Sat 8/176:25 pmORD - STL
Nonstop1h 22mAmerican Airlines
Deal found 5/7$107
Tue 5/286:06 pmMCI - ORD
Nonstop1h 33mAmerican Airlines
Thu 5/303:40 pmORD - MCI
Nonstop1h 31mAmerican Airlines
Deal found 5/7$137
Sat 8/107:08 amMCI - ORD
Nonstop1h 40mAmerican Airlines
Tue 8/136:45 pmORD - MCI
Nonstop1h 47mAmerican Airlines
Deal found 5/7$147
Tue 5/285:08 pmSTL - ORD
Nonstop1h 17mAmerican Airlines
Wed 5/293:04 pmORD - STL
Nonstop1h 13mAmerican Airlines
Deal found 5/7$167
Wed 7/176:04 amSTL - ORD
Nonstop1h 21mAmerican Airlines
Sat 7/208:39 pmORD - STL
Nonstop1h 15mAmerican Airlines
Deal found 5/7$176
Fri 5/2411:40 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Sun 5/263:04 pmORD - STL
Nonstop1h 13mAmerican Airlines
Deal found 5/8$181
Sun 5/265:08 pmSTL - ORD
Nonstop1h 17mAmerican Airlines
Fri 6/77:05 amORD - STL
1 stop7h 11mAmerican Airlines
Deal found 5/8$195
Sat 7/276:09 pmSTL - ORD
Nonstop1h 20mAmerican Airlines
Sat 8/34:06 pmORD - STL
Nonstop1h 13mAmerican Airlines
Deal found 5/7$225
Cheap United Airlines flights from Missouri to Illinois
Explore cheap flight options specifically provided by United Airlines for the route between Missouri and Illinois. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 8, 2024.
Some of the lowest-priced United Airlines flights we've found at this time heading from Missouri to Illinois. Check back soon if you're not seeing flights that suit your needs.
Wed 7/316:00 amMCI - ORD
Nonstop1h 41mUnited Airlines
Sat 8/178:25 pmORD - MCI
Nonstop1h 36mUnited Airlines
Deal found 5/7$107
Thu 8/2211:10 amSTL - ORD
Nonstop1h 21mUnited Airlines
Fri 8/308:45 amORD - STL
Nonstop1h 22mUnited Airlines
Deal found 5/8$117
Wed 6/58:00 amMCI - ORD
Nonstop1h 41mUnited Airlines
Tue 6/117:00 amORD - MCI
Nonstop1h 39mUnited Airlines
Deal found 5/7$157
Tue 7/306:34 pmMCI - ORD
Nonstop1h 38mUnited Airlines
Sat 8/178:25 pmORD - MCI
Nonstop1h 36mUnited Airlines
Deal found 5/7$167
Tue 5/285:31 pmSTL - ORD
Nonstop1h 24mUnited Airlines
Tue 6/42:20 pmORD - STL
Nonstop1h 21mUnited Airlines
Deal found 5/6$206
Fri 5/315:31 pmSTL - ORD
Nonstop1h 24mUnited Airlines
Sat 6/12:20 pmORD - STL
Nonstop1h 21mUnited Airlines
Deal found 5/6$237
Tue 5/285:31 pmSTL - ORD
Nonstop1h 24mUnited Airlines
Sun 6/22:20 pmORD - STL
Nonstop1h 21mUnited Airlines
Deal found 5/6$258
Fri 5/177:16 amJLN - ORD
1 stop3h 03mUnited Airlines
Mon 5/204:50 pmORD - JLN
1 stop3h 04mUnited Airlines
Deal found 5/6$312
Tue 5/147:16 amJLN - ORD
1 stop3h 03mUnited Airlines
Fri 5/174:50 pmORD - JLN
1 stop3h 04mUnited Airlines
Deal found 5/7$379
Cheap Missouri to Illinois flights in May & June 2024
Find cheap flight options from Missouri to Illinois specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,752,338 searches. Prices were last updated on May 8, 2024.
Check out some of the best flight deals from Missouri to Illinois in 2024. For more flight deals, be sure to check back very soon.
Thu 5/309:45 amSTL - UIN
Nonstop0h 50mSouthern / Mokulele
Sun 6/26:15 amUIN - STL
Nonstop0h 50mSouthern / Mokulele
Deal found 5/8$77
Thu 5/309:45 amSTL - UIN
Nonstop0h 50mSouthern / Mokulele
Sun 6/211:15 amUIN - STL
Nonstop0h 50mSouthern / Mokulele
Deal found 5/7$79
Thu 5/303:55 pmSTL - UIN
Nonstop0h 50mSouthern / Mokulele
Sun 6/26:10 amUIN - STL
Nonstop0h 50mSouthern / Mokulele
Deal found 5/7$81
Tue 6/185:48 amMCI - ORD
Nonstop1h 37mAmerican Airlines
Wed 6/266:49 pmORD - MCI
Nonstop1h 46mAmerican Airlines
Deal found 5/7$97
Tue 5/285:55 amSTL - ORD
Nonstop1h 16mAmerican Airlines
Wed 5/298:24 pmORD - STL
Nonstop1h 23mAmerican Airlines
Deal found 5/7$97
Sat 5/189:45 amSTL - UIN
Nonstop0h 50mSouthern / Mokulele
Mon 5/206:15 amUIN - STL
Nonstop0h 50mSouthern / Mokulele
Deal found 5/6$119
Wed 5/1512:45 pmSTL - UIN
Nonstop0h 50mSouthern / Mokulele
Fri 5/1711:15 amUIN - STL
Nonstop0h 50mSouthern / Mokulele
Deal found 5/7$129
Fri 5/177:44 pmMCI - MDW
1 stop15h 29mFrontier
Mon 5/205:11 amMDW - MCI
1 stop27h 04mFrontier
Deal found 5/6$134
Tue 6/42:35 pmSTL - ORD
2 stops19h 39mSpirit Airlines
Tue 6/115:05 amORD - STL
1 stop9h 18mSpirit Airlines
Deal found 5/7$134
Missouri to Illinois 2024 flight deals
Discover exclusive flight deals for travel between Missouri and Illinois in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 8, 2024.
Check out some of the best flight deals from Missouri to Illinois in 2024. For more flight deals, be sure to check back very soon.
Thu 5/309:45 amSTL - UIN
Nonstop0h 50mSouthern / Mokulele
Sun 6/26:15 amUIN - STL
Nonstop0h 50mSouthern / Mokulele
Deal found 5/8$77
Thu 5/309:45 amSTL - UIN
Nonstop0h 50mSouthern / Mokulele
Sun 6/211:15 amUIN - STL
Nonstop0h 50mSouthern / Mokulele
Deal found 5/7$79
Thu 8/223:55 pmSTL - UIN
Nonstop0h 50mSouthern / Mokulele
Mon 8/2612:10 pmUIN - STL
Nonstop0h 50mSouthern / Mokulele
Deal found 5/7$80
Thu 5/303:55 pmSTL - UIN
Nonstop0h 50mSouthern / Mokulele
Sun 6/26:10 amUIN - STL
Nonstop0h 50mSouthern / Mokulele
Deal found 5/7$81
Tue 7/3012:45 pmSTL - UIN
Nonstop0h 50mSouthern / Mokulele
Fri 8/26:15 amUIN - STL
Nonstop0h 50mSouthern / Mokulele
Deal found 5/8$88
Tue 6/185:48 amMCI - ORD
Nonstop1h 37mAmerican Airlines
Wed 6/266:49 pmORD - MCI
Nonstop1h 46mAmerican Airlines
Deal found 5/7$97
Tue 5/285:55 amSTL - ORD
Nonstop1h 16mAmerican Airlines
Wed 5/298:24 pmORD - STL
Nonstop1h 23mAmerican Airlines
Deal found 5/7$97
Wed 8/78:00 amMCI - ORD
Nonstop1h 41mUnited Airlines
Fri 8/98:05 pmORD - MCI
Nonstop1h 36mUnited Airlines
Deal found 5/6$107
Wed 8/144:22 pmSTL - ORD
Nonstop1h 22mAmerican Airlines
Sat 8/176:25 pmORD - STL
Nonstop1h 22mAmerican Airlines
Deal found 5/7$107
Non-stop flights to Illinois from Missouri
Discover non-stop flight options from Missouri to Illinois. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 8, 2024.
To help reduce your travel time, choose from one of these non-stop flights from Missouri to Illinois. Search for alternative flights from Missouri to Illinois by utilizing the search form above.
Thu 5/309:45 amSTL - UIN
Nonstop0h 50mSouthern / Mokulele
Sun 6/26:15 amUIN - STL
Nonstop0h 50mSouthern / Mokulele
Deal found 5/8$77
Thu 5/309:45 amSTL - UIN
Nonstop0h 50mSouthern / Mokulele
Sun 6/211:15 amUIN - STL
Nonstop0h 50mSouthern / Mokulele
Deal found 5/7$79
Thu 8/223:55 pmSTL - UIN
Nonstop0h 50mSouthern / Mokulele
Mon 8/2612:10 pmUIN - STL
Nonstop0h 50mSouthern / Mokulele
Deal found 5/7$80
Thu 5/303:55 pmSTL - UIN
Nonstop0h 50mSouthern / Mokulele
Sun 6/26:10 amUIN - STL
Nonstop0h 50mSouthern / Mokulele
Deal found 5/7$81
Tue 7/3012:45 pmSTL - UIN
Nonstop0h 50mSouthern / Mokulele
Fri 8/26:15 amUIN - STL
Nonstop0h 50mSouthern / Mokulele
Deal found 5/8$88
Tue 6/185:48 amMCI - ORD
Nonstop1h 37mAmerican Airlines
Wed 6/266:49 pmORD - MCI
Nonstop1h 46mAmerican Airlines
Deal found 5/7$97
Tue 5/285:55 amSTL - ORD
Nonstop1h 16mAmerican Airlines
Wed 5/298:24 pmORD - STL
Nonstop1h 23mAmerican Airlines
Deal found 5/7$97
Wed 7/316:00 amMCI - ORD
Nonstop1h 41mUnited Airlines
Sat 8/178:25 pmORD - MCI
Nonstop1h 36mUnited Airlines
Deal found 5/7$107
Wed 8/144:22 pmSTL - ORD
Nonstop1h 22mAmerican Airlines
Sat 8/176:25 pmORD - STL
Nonstop1h 22mAmerican Airlines
Deal found 5/7$107
Missouri to Illinois flights leaving soon
Find last-minute flight options from Missouri to Illinois for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 8, 2024.
Have a look at some of the flights available from Missouri to Illinois departing last-minute. It's wise to confirm all flight details are correct before booking.
Sat 5/189:45 amSTL - UIN
Nonstop0h 50mSouthern / Mokulele
Mon 5/206:15 amUIN - STL
Nonstop0h 50mSouthern / Mokulele
Deal found 5/6$119
Wed 5/159:35 amSTL - UIN
Nonstop0h 50mSouthern / Mokulele
Fri 5/176:10 amUIN - STL
Nonstop0h 50mSouthern / Mokulele
Deal found 5/8$129
Fri 5/177:44 pmMCI - MDW
1 stop15h 29mFrontier
Mon 5/205:11 amMDW - MCI
1 stop27h 04mFrontier
Deal found 5/6$134
Tue 5/144:50 pmSTL - MDW
1 stop18h 48mFrontier
Sat 5/189:08 pmMDW - STL
1 stop10h 00mFrontier
Deal found 5/6$154
Tue 5/1410:59 pmSTL - MDW
1 stop12h 37mFrontier
Sun 5/198:55 pmMDW - STL
1 stop13h 18mFrontier
Deal found 5/6$158
Tue 5/144:50 pmSTL - ORD
1 stop8h 06mFrontier
Wed 5/158:25 amORD - STL
1 stop8h 30mFrontier
Deal found 5/6$158
Fri 5/176:40 pmSTL - MDW
1 stop11h 10mFrontier
Mon 5/209:10 pmMDW - STL
1 stop13h 03mFrontier
Deal found 5/8$164
Fri 5/176:40 pmSTL - ORD
1 stop10h 30mFrontier
Mon 5/205:56 pmORD - STL
1 stop13h 12mFrontier
Deal found 5/8$164
Thu 5/163:55 pmSTL - ORD
1 stop3h 15mSouthern / Mokulele
Sat 5/187:05 amORD - STL
1 stop5h 00mSouthern / Mokulele
Deal found 5/8$172
One-way flights to Illinois from Missouri
Search for one-way flight options from Missouri to Illinois. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 8, 2024.
Take a look at some of the best available options we've come across on one-way flights from Missouri to Illinois. Users in need of a round-trip flight from Missouri to Illinois instead should update the search form at the top of page.
Thu 6/209:35 amSTL - UIN
Nonstop0h 50mSouthern / Mokulele
Deal found 5/8$42
Tue 7/305:48 amMCI - ORD
Nonstop1h 37mAmerican Airlines
Deal found 5/7$49
Thu 5/305:55 amSTL - ORD
Nonstop1h 16mAmerican Airlines
Deal found 5/7$49
Tue 5/217:44 pmSTL - MDW
1 stop11h 10mFrontier
Deal found 5/7$55
Mon 6/36:00 amMCI - ORD
Nonstop1h 41mUnited Airlines
Deal found 5/7$59
Thu 9/196:21 pmSTL - ORD
Nonstop1h 19mAmerican Airlines
Deal found 5/7$59
Tue 6/42:35 pmSTL - ORD
1 stop8h 35mSpirit Airlines
Deal found 5/8$63
Tue 5/286:30 pmMCI - ORD
Nonstop1h 38mUnited Airlines
Deal found 5/6$66
Tue 6/46:35 pmMCI - ORD
2 stops15h 39mSpirit Airlines
Deal found 5/7$71
Find flights from Missouri to Illinois within your budget
Customize your flight search to find flights from Missouri to Illinois 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 2,752,338 searches. Data last updated May 8, 2024.
Fly from
Any airport
Fly to
Any airport
Budget
$79 - $163
Route
Depart
Return
Price
Lambert-St LouisQuincy Regional
STL - UIN
STLUIN
Lambert-St Louis
Thu 5/30
Nonstop0h 50m
Quincy Regional
Sun 6/2
Nonstop0h 50m
$79
Lambert-St LouisQuincy Regional
STL - UIN
STLUIN
Lambert-St Louis
Thu 8/22
Nonstop0h 50m
Quincy Regional
Mon 8/26
Nonstop0h 50m
$80
Lambert-St LouisQuincy Regional
STL - UIN
STLUIN
Lambert-St Louis
Thu 5/30
Nonstop0h 50m
Quincy Regional
Sun 6/2
Nonstop0h 50m
$81
Kansas CityChicago O'Hare Intl
MCI - ORD
MCIORD
Kansas City
Tue 6/18
Nonstop1h 37m
Chicago O'Hare Intl
Wed 6/26
Nonstop1h 46m
$97
Kansas CityChicago O'Hare Intl
MCI - ORD
MCIORD
Kansas City
Wed 7/31
Nonstop1h 41m
Chicago O'Hare Intl
Sat 8/17
Nonstop1h 36m
$107
Lambert-St LouisChicago O'Hare Intl
STL - ORD
STLORD
Lambert-St Louis
Tue 6/4
2 stops19h 39m
Chicago O'Hare Intl
Tue 6/11
1 stop9h 18m
$134
Kansas CityChicago O'Hare Intl
MCI - ORD
MCIORD
Kansas City
Tue 6/18
1 stop4h 30m
Chicago O'Hare Intl
Wed 6/26
1 stop3h 35m
$156
Lambert-St LouisChicago Midway
STL - MDW
STLMDW
Lambert-St Louis
Wed 5/22
1 stop5h 22m
Chicago Midway
Wed 5/22
1 stop13h 03m
$157
Lambert-St LouisChicago O'Hare Intl
STL - ORD
STLORD
Lambert-St Louis
Tue 6/4
1 stop8h 35m
Chicago O'Hare Intl
Fri 6/21
1 stop5h 00m
$163
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing Illinois
Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated May 8, 2024.
Read reviews from past customers who have flown American Airlines, United Airlines and Spirit Airlines from Missouri to Illinois. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
6,075 reviews
Boarding
8.3
Comfort
8.1
Crew
8.7
Food
7.3
Overall
8.2
Entertainment
7.8
Reviews
1 / 10
The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.
Southwest
6,075 reviews
Southwest
6,075 reviews
Boarding
8.3
Comfort
8.1
Crew
8.7
Food
7.3
Overall
8.2
Entertainment
7.8
Reviews
1 / 10
The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.
10,789 reviews
Southwest
6,075 reviews
Boarding
8.3
Comfort
8.1
Crew
8.7
Food
7.3
Overall
8.2
Entertainment
7.8
Reviews
1 / 10
The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.
11,043 reviews
Southwest
6,075 reviews
Boarding
8.3
Comfort
8.1
Crew
8.7
Food
7.3
Overall
8.2
Entertainment
7.8
Reviews
1 / 10
The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.
14,677 reviews
Southwest
6,075 reviews
Boarding
8.3
Comfort
8.1
Crew
8.7
Food
7.3
Overall
8.2
Entertainment
7.8
Reviews
1 / 10
The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.
Related info for your journey
Find useful and relevant information for your journey from Missouri to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Missouri to IllinoisSee prices for flight routes from nearby airports that may be better suited for you.
See prices for flight routes from nearby airports that may be better suited for you.
Top 5 airlines flying from Missouri to Illinois
Discover the top 5 airlines that operate flights from Missouri to Illinois. 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 2,752,338 searches. Data last updated May 8, 2024.
Search flights from Missouri to Illinois by cabin class
Find flights from Missouri to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Hourly flight availability from Missouri to Illinois
Find hourly flight availability from Missouri to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 8, 2024.
| 16%of flight departures | Early morningMidnight to 6 am |
|---|---|
| 50%of flight departures | Morning6 am to noon |
| 32%of flight departures | AfternoonNoon to 6 pm |
| 2%of flight departures | Evening6 pm to midnight |
Midnight
6 AM
Noon
6 PM
Book a flight to one of these trending destinations
User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Fly with Cheapflights
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How does Cheapflights help users find flights from Missouri to Illinois?
Cheapflights makes it easy to find Missouri to Illinois flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Why should you use Cheapflights to find cheap flight tickets from Missouri to Illinois?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Illinois from Missouri.
Can Cheapflights find flights from Missouri to Illinois with no change fees?
Need flexible booking options for your flight to Illinois from Missouri? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
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Of course! You can now track prices for flights from Missouri to Illinois and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.