HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from Illinois to Missouri from $49

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 5/28. 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.
ORD — MCI
May 11 — May 181
From?
To?
Sat 5/11
Sat 5/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

How far in advance should I book a flight from Illinois to Missouri?

Travelers have found it’s best to book a flight 51 days in advance to save up to 166% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 51 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Illinois to Missouri 1-2 weeks in advance for as low as $240, or $240 for flights within the next 24 hours.

What is the cheapest month to fly from Illinois to Missouri?

Flights from Illinois to Missouri lean towards being more expensive in June. Prices are generally better when you fly from Illinois to Missouri in September, with the cheapest ticket starting at $128.

When is the cheapest time to fly from Illinois to Missouri (IL - MO)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Missouri as you normally would.

Cheap Frontier flights from Illinois to Missouri

Explore cheap flight options specifically provided by Frontier for the route between Illinois and Missouri. 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 2,689,106 searches. Data last updated May 6, 2024.
Peruse some of the lowest-priced Frontier flights we've found from Illinois to Missouri. Deals update often to give you more flight options matching your criteria
Sun 5/198:55 pmMDW - STL
1 stop13h 18mFrontier
Wed 5/228:47 amSTL - MDW
1 stop5h 22mFrontier
Deal found 5/5$108
Sat 8/2410:00 pmMDW - STL
1 stop12h 18mFrontier
Tue 8/277:29 pmSTL - MDW
1 stop11h 04mFrontier
Deal found 5/5$149
Thu 9/265:56 pmORD - STL
1 stop13h 06mFrontier
Sat 9/287:29 pmSTL - ORD
1 stop9h 18mFrontier
Deal found 5/5$150
Wed 9/186:05 amMDW - STL
1 stop7h 17mFrontier
Sun 9/227:29 pmSTL - MDW
1 stop11h 04mFrontier
Deal found 5/5$152
Fri 9/2711:32 amMDW - STL
1 stop9h 04mFrontier
Mon 9/302:12 pmSTL - MDW
1 stop8h 29mFrontier
Deal found 5/5$153
Sat 5/1812:51 pmMDW - STL
1 stop9h 58mFrontier
Sun 5/197:23 pmSTL - MDW
1 stop10h 27mFrontier
Deal found 5/6$154
Sun 5/197:59 pmORD - STL
1 stop14h 14mFrontier
Wed 5/227:23 pmSTL - ORD
1 stop9h 37mFrontier
Deal found 5/5$157
Fri 5/1711:31 amMDW - STL
1 stop10h 00mFrontier
Sun 5/197:23 pmSTL - MDW
1 stop10h 27mFrontier
Deal found 5/6$158
Fri 8/1610:00 pmMDW - STL
1 stop12h 18mFrontier
Sun 8/187:29 pmSTL - MDW
1 stop11h 04mFrontier
Deal found 5/5$161

Cheap American Airlines flights from Illinois to Missouri

Explore cheap flight options specifically provided by American Airlines for the route between Illinois and Missouri. 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 2,689,106 searches. Data last updated May 6, 2024.
Browse through some of the cheapest American Airlines flights traveling from Illinois to Missouri. Check back soon if you're not seeing flights that suit your needs.
Tue 8/202:12 pmORD - STL
Nonstop1h 20mAmerican Airlines
Tue 8/277:05 amSTL - ORD
Nonstop1h 23mAmerican Airlines
Deal found 5/6$97
Sat 8/248:35 amORD - STL
Nonstop1h 20mAmerican Airlines
Tue 8/274:22 pmSTL - ORD
Nonstop1h 22mAmerican Airlines
Deal found 5/5$107
Thu 9/264:00 pmORD - STL
Nonstop1h 14mAmerican Airlines
Sat 9/287:30 amSTL - ORD
Nonstop1h 21mAmerican Airlines
Deal found 5/5$117
Thu 5/307:01 pmORD - MCI
Nonstop1h 40mAmerican Airlines
Mon 6/37:26 amMCI - ORD
Nonstop1h 33mAmerican Airlines
Deal found 5/6$137
Thu 5/309:50 amORD - STL
Nonstop1h 20mAmerican Airlines
Mon 6/35:55 amSTL - ORD
Nonstop1h 16mAmerican Airlines
Deal found 5/5$167
Tue 7/28:24 pmORD - MCI
Nonstop1h 34mAmerican Airlines
Mon 8/57:13 amMCI - ORD
Nonstop1h 37mAmerican Airlines
Deal found 5/6$172
Thu 5/307:01 pmORD - MCI
Nonstop1h 40mAmerican Airlines
Mon 6/36:29 pmMCI - ORD
1 stop5h 30mAmerican Airlines
Deal found 5/6$175
Thu 8/222:12 pmORD - STL
Nonstop1h 20mAmerican Airlines
Sun 8/256:00 amSTL - ORD
Nonstop1h 18mAmerican Airlines
Deal found 5/5$186
Fri 5/313:04 pmORD - STL
Nonstop1h 13mAmerican Airlines
Sun 6/27:45 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Deal found 5/5$198

Cheap Illinois to Missouri flights in May & June 2024

Find cheap flight options from Illinois to Missouri specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,689,106 searches. Prices were last updated on May 6, 2024.
The lowest fares we've come across on flights traveling from Illinois to Missouri in May and June 2024. Check back soon for alternative fares.
Sun 5/198:55 pmMDW - STL
1 stop13h 18mFrontier
Wed 5/228:47 amSTL - MDW
1 stop5h 22mFrontier
Deal found 5/5$108
Sat 5/187:12 amORD - STL
1 stop9h 13mMultiple Airlines
Sat 5/187:23 pmSTL - ORD
1 stop9h 37mMultiple Airlines
Deal found 5/5$129
Thu 5/307:01 pmORD - MCI
Nonstop1h 40mAmerican Airlines
Mon 6/37:26 amMCI - ORD
Nonstop1h 33mAmerican Airlines
Deal found 5/6$137
Tue 5/2110:58 amORD - MCI
2 stops14h 01mSpirit Airlines
Wed 5/2910:34 amMCI - ORD
1 stop12h 55mSpirit Airlines
Deal found 5/5$140
Sat 5/185:00 amORD - STL
1 stop11h 25mMultiple Airlines
Sun 5/1912:45 pmSTL - ORD
1 stop6h 25mMultiple Airlines
Deal found 5/5$146
Tue 5/2110:58 amORD - MCI
2 stops14h 01mSpirit Airlines
Wed 5/295:20 amMCI - ORD
2 stops28h 35mSpirit Airlines
Deal found 5/5$150
Wed 5/158:25 amORD - STL
1 stop8h 30mFrontier
Thu 5/167:23 pmSTL - ORD
1 stop9h 37mFrontier
Deal found 5/6$150
Tue 5/2110:58 amORD - MCI
2 stops14h 01mSpirit Airlines
Wed 5/295:20 amMCI - ORD
3 stops27h 35mSpirit Airlines
Deal found 5/5$152
Sat 5/1812:51 pmMDW - STL
1 stop9h 58mFrontier
Sun 5/197:23 pmSTL - MDW
1 stop10h 27mFrontier
Deal found 5/6$154

Illinois to Missouri 2024 flight deals

Discover exclusive flight deals for travel between Illinois and Missouri in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,689,106 searches. Data last updated May 6, 2024.
The lowest fares we've come across on flights traveling from Illinois to Missouri in May and June 2024. Check back soon for alternative fares.
Tue 8/202:12 pmORD - STL
Nonstop1h 20mAmerican Airlines
Tue 8/277:05 amSTL - ORD
Nonstop1h 23mAmerican Airlines
Deal found 5/6$97
Sat 8/248:35 amORD - STL
Nonstop1h 20mAmerican Airlines
Tue 8/274:22 pmSTL - ORD
Nonstop1h 22mAmerican Airlines
Deal found 5/5$107
Sun 5/198:55 pmMDW - STL
1 stop13h 18mFrontier
Wed 5/228:47 amSTL - MDW
1 stop5h 22mFrontier
Deal found 5/5$108
Thu 9/264:00 pmORD - STL
Nonstop1h 14mAmerican Airlines
Sat 9/287:30 amSTL - ORD
Nonstop1h 21mAmerican Airlines
Deal found 5/5$117
Sat 5/187:12 amORD - STL
1 stop9h 13mMultiple Airlines
Sat 5/187:23 pmSTL - ORD
1 stop9h 37mMultiple Airlines
Deal found 5/5$129
Thu 5/307:01 pmORD - MCI
Nonstop1h 40mAmerican Airlines
Mon 6/37:26 amMCI - ORD
Nonstop1h 33mAmerican Airlines
Deal found 5/6$137
Tue 5/2110:58 amORD - MCI
2 stops14h 01mSpirit Airlines
Wed 5/2910:34 amMCI - ORD
1 stop12h 55mSpirit Airlines
Deal found 5/5$140
Sat 5/185:00 amORD - STL
1 stop11h 25mMultiple Airlines
Sun 5/1912:45 pmSTL - ORD
1 stop6h 25mMultiple Airlines
Deal found 5/5$146
Mon 8/267:25 amORD - MCI
Nonstop1h 41mUnited Airlines
Mon 8/263:25 pmMCI - ORD
Nonstop1h 40mUnited Airlines
Deal found 5/5$147

Non-stop flights to Missouri from Illinois

Discover non-stop flight options from Illinois to Missouri. 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 2,689,106 searches. Data last updated May 6, 2024.
To help reduce your travel time, choose from one of these non-stop flights from Illinois to Missouri. Search for alternative flights from Illinois to Missouri by utilizing the search form above.
Mon 7/17:00 amORD - MCI
Nonstop1h 39mUnited Airlines
Wed 7/36:00 amMCI - ORD
Nonstop1h 41mUnited Airlines
Deal found 5/6$97
Tue 8/202:12 pmORD - STL
Nonstop1h 20mAmerican Airlines
Tue 8/277:05 amSTL - ORD
Nonstop1h 23mAmerican Airlines
Deal found 5/6$97
Sat 8/248:35 amORD - STL
Nonstop1h 20mAmerican Airlines
Tue 8/274:22 pmSTL - ORD
Nonstop1h 22mAmerican Airlines
Deal found 5/5$107
Thu 9/264:00 pmORD - STL
Nonstop1h 14mAmerican Airlines
Sat 9/287:30 amSTL - ORD
Nonstop1h 21mAmerican Airlines
Deal found 5/5$117
Thu 5/307:01 pmORD - MCI
Nonstop1h 40mAmerican Airlines
Mon 6/37:26 amMCI - ORD
Nonstop1h 33mAmerican Airlines
Deal found 5/6$137
Mon 8/267:25 amORD - MCI
Nonstop1h 41mUnited Airlines
Mon 8/263:25 pmMCI - ORD
Nonstop1h 40mUnited Airlines
Deal found 5/5$147
Thu 7/47:00 amORD - MCI
Nonstop1h 39mUnited Airlines
Tue 7/96:00 amMCI - ORD
Nonstop1h 41mUnited Airlines
Deal found 5/6$157
Fri 5/317:00 amORD - MCI
Nonstop1h 39mUnited Airlines
Fri 5/316:29 pmMCI - ORD
Nonstop1h 38mUnited Airlines
Deal found 5/6$160
Thu 5/308:55 amORD - MCI
Nonstop1h 40mUnited Airlines
Mon 6/36:30 pmMCI - ORD
Nonstop1h 38mUnited Airlines
Deal found 5/6$167

Illinois to Missouri flights leaving soon

Find last-minute flight options from Illinois to Missouri 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 2,689,106 searches. Data last updated May 6, 2024.
Book one of these great deals on flights from Illinois to Missouri. To prevent any unwanted surprises, users should verify their flight info before booking.
Wed 5/158:25 amORD - STL
1 stop8h 30mFrontier
Sat 5/187:23 pmSTL - ORD
1 stop9h 37mFrontier
Deal found 5/5$150
Wed 5/158:25 amORD - STL
1 stop8h 30mFrontier
Fri 5/176:40 pmSTL - ORD
1 stop10h 30mFrontier
Deal found 5/5$154
Mon 5/1310:59 pmMDW - STL
1 stop11h 10mFrontier
Tue 5/144:50 pmSTL - MDW
1 stop18h 48mFrontier
Deal found 5/6$158
Thu 5/165:56 pmORD - STL
1 stop13h 12mMultiple Airlines
Sun 5/1912:45 pmSTL - ORD
1 stop3h 52mMultiple Airlines
Deal found 5/4$165
Tue 5/145:36 pmORD - MCI
1 stop7h 23mSpirit Airlines
Wed 5/159:00 pmMCI - ORD
1 stop9h 00mSpirit Airlines
Deal found 5/4$180
Mon 5/136:27 pmORD - MCI
1 stop14h 47mMultiple Airlines
Wed 5/157:00 amMCI - ORD
1 stop14h 55mMultiple Airlines
Deal found 5/4$196
Wed 5/1510:59 pmMDW - STL
1 stop11h 14mFrontier
Fri 5/1710:21 pmSTL - MDW
1 stop13h 33mFrontier
Deal found 5/5$198
Wed 5/1510:59 pmMDW - STL
1 stop11h 14mFrontier
Thu 5/167:23 pmSTL - MDW
1 stop10h 27mFrontier
Deal found 5/6$203
Mon 5/135:30 amMDW - MCI
1 stop27h 44mFrontier
Thu 5/167:44 pmMCI - MDW
1 stop15h 25mFrontier
Deal found 5/5$204

One-way flights to Missouri from Illinois

Search for one-way flight options from Illinois to Missouri. 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 2,689,106 searches. Data last updated May 6, 2024.
Users traveling one-way from Illinois to Missouri can select one of these great deals. Users can also find round-trip Illinois to Missouri flights by using the search form above.
Tue 5/287:01 pmORD - MCI
Nonstop1h 40mAmerican Airlines
Deal found 5/5$49
Wed 7/312:55 pmORD - STL
Nonstop1h 23mUnited Airlines
Deal found 5/4$49
Sat 9/213:00 pmORD - MCI
Nonstop1h 27mAmerican Airlines
Deal found 5/5$59
Tue 6/410:58 amORD - MCI
2 stops19h 11mSpirit Airlines
Deal found 5/5$63
Tue 6/46:40 pmORD - MCI
1 stop15h 14mSpirit Airlines
Deal found 5/5$65
Tue 6/49:35 amORD - MCI
3 stops20h 34mSpirit Airlines
Deal found 5/5$67
Tue 6/410:52 pmORD - STL
1 stop14h 13mSpirit Airlines
Deal found 5/5$67
Sun 5/197:59 pmORD - STL
1 stop14h 14mFrontier
Deal found 5/6$70
Wed 6/511:01 amORD - MCI
3 stops19h 08mSpirit Airlines
Deal found 5/5$71

Find flights from Illinois to Missouri within your budget

Customize your flight search to find flights from Illinois to Missouri 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 2,689,106 searches. Data last updated May 6, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$97 - $199

Route

Depart

Return

Price

Chicago O'Hare IntlLambert-St Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Tue 8/20

Nonstop1h 20m

Lambert-St Louis

Tue 8/27

Nonstop1h 23m

$97

Chicago O'Hare IntlLambert-St Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Sat 8/24

Nonstop1h 20m

Lambert-St Louis

Tue 8/27

Nonstop1h 22m

$107

Chicago MidwayLambert-St Louis

MDW - STL

MDWSTL

Chicago Midway

Sun 5/19

1 stop13h 18m

Lambert-St Louis

Wed 5/22

1 stop5h 22m

$108

Chicago O'Hare IntlLambert-St Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Sat 5/18

1 stop9h 13m

Lambert-St Louis

Sat 5/18

1 stop9h 37m

$129

Chicago O'Hare IntlKansas City

ORD - MCI

ORDMCI

Chicago O'Hare Intl

Tue 5/21

2 stops14h 01m

Kansas City

Wed 5/29

1 stop12h 55m

$140

Chicago MidwayKansas City

MDW - MCI

MDWMCI

Chicago Midway

Thu 7/4

1 stop4h 02m

Kansas City

Tue 7/9

1 stop6h 45m

$156

Chicago O'Hare IntlKansas City

ORD - MCI

ORDMCI

Chicago O'Hare Intl

Thu 7/4

Nonstop1h 39m

Kansas City

Tue 7/9

Nonstop1h 41m

$157

Chicago O'Hare IntlLambert-St Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Fri 6/28

1 stop4h 10m

Lambert-St Louis

Fri 7/5

1 stop3h 52m

$176

Chicago O'Hare IntlKansas City

ORD - MCI

ORDMCI

Chicago O'Hare Intl

Fri 6/28

1 stop24h 41m

Kansas City

Mon 7/1

1 stop24h 36m

$199

Flights are sorted by cheapest first

Deals found on 5/6

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Missouri

Get insights into the airlines that provide service to Missouri. 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 Missouri. Reviews last updated May 6, 2024.
Get a feel of what it's like to fly with Frontier, American Airlines and Spirit Airlines from Illinois to Missouri by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.2
Very good
6,084 reviews
Check prices

Food

7.3

Comfort

8.1

Entertainment

7.8

Overall

8.2

Boarding

8.3

Crew

8.7

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
8.2
Very good
6,084 reviews
Southwest
8.2
Very good
6,084 reviews
Check prices

Food

7.3

Comfort

8.1

Entertainment

7.8

Overall

8.2

Boarding

8.3

Crew

8.7

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.

Alaska Airlines
8.1
Very good
9,137 reviews
Southwest
8.2
Very good
6,084 reviews
Check prices

Food

7.3

Comfort

8.1

Entertainment

7.8

Overall

8.2

Boarding

8.3

Crew

8.7

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.

Delta
8.1
Very good
10,818 reviews
Southwest
8.2
Very good
6,084 reviews
Check prices

Food

7.3

Comfort

8.1

Entertainment

7.8

Overall

8.2

Boarding

8.3

Crew

8.7

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.

United Airlines
7.4
Good
11,090 reviews
Southwest
8.2
Very good
6,084 reviews
Check prices

Food

7.3

Comfort

8.1

Entertainment

7.8

Overall

8.2

Boarding

8.3

Crew

8.7

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 Illinois to Missouri. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Illinois to Missouri for under $100 on Cheapflights?

    Yes, there are multiple flights from Illinois to Missouri for under $100. The cheapest flight booked recently is on American Airlines for just $97, but on average you can expect to pay $140.

  • Are there nonstop flights from Illinois to Missouri for under $100 on Cheapflights?

    Cheapflights has at least 20 direct flights from Illinois to Missouri under $100. A good price for a nonstop flight from Illinois to Missouri is less than $161.

  • Are there last-minute flights available from Illinois to Missouri for under $200?

    There are currently 20+ open flights from Illinois to Missouri within the next 7 days for less than $200.

  • What days are nonstop flights available from Illinois to Missouri?

    Nonstop flights are available for this route on the following days: Tuesday, Thursday, Friday, Saturday.

  • How many flights depart from Illinois to Missouri on average per day?

    5 flight departures from Illinois to Missouri per day on average.
    Morning (6am - Noon) - 20% of flight departures
    Evening (6pm - Midnight) - 80% of flight departures

  • How long is the flight from Illinois to Missouri?

    A quick flight from Illinois to Missouri can take about 1h 20m. American Airlines provides one of the quickest options available for as low as $97. The distance between Illinois and Missouri is about 404 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Illinois to Missouri one-way?

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $49. However, be on the lookout for offers from United Airlines and Spirit Airlines, as they are both options that can get you from Illinois to Missouri for a low price.

  • What does ORD to MCI mean?

    Great question - ORD to MCI just means Chicago O'Hare Intl Airport to Kansas City Airport. Now you’ll know what these unique codes when you look for flights! This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Lambert-St Louis Airport (STL), Springfield-Branson Airport (SGF), Columbia Regional Airport (COU), Kansas City Downtown Airport (MKC), Branson Airport (BKG).

  • Can I find deals for flights from Illinois to Missouri that include extra baggage allowance?

    The amount of baggage you can bring on your Illinois to Missouri flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Illinois to Missouri with specific airlines?

    Yes, Cheapflights allows you to browse and filter Illinois to Missouri flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Illinois to Missouri that include hotel bookings?

    Yes. In addition to deals on Illinois to Missouri flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Missouri?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Missouri.

  • Can I find deals for business class flights from Illinois to Missouri?

    Yes. Cheapflights offers flight deals from Illinois to Missouri by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Illinois to Missouri that allow pets onboard?

    Many airlines flying from Illinois to Missouri offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Illinois to Missouri?

    Yes, you can often find last-minute deals on Illinois to Missouri flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Illinois to Missouri flight deals updated?

    The Illinois to Missouri flight deals you see on this page were last updated on 5/6.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Missouri
See prices for flight routes from nearby airports that may be better suited for you.

LaGuardia to Fort Lauderdale flights
Los Angeles to Newark flights
Los Angeles to John F Kennedy Intl flights
John F Kennedy Intl to Las Vegas flights
Newark to Fort Lauderdale flights
Newark to Las Vegas flights
LaGuardia to Miami flights
Newark to Los Angeles flights
Newark to Orlando flights
LaGuardia to Orlando flights
LaGuardia to Dallas/Fort Worth flights
John F Kennedy Intl to O'Hare Intl flights
Los Angeles to Seattle flights
John F Kennedy Intl to Los Angeles flights
Newark to Miami flights
San Francisco to John F Kennedy Intl flights
John F Kennedy Intl to Miami flights
Dallas/Fort Worth to Los Angeles flights
Los Angeles to Honolulu flights
Dallas/Fort Worth to LaGuardia flights
Seattle to Los Angeles flights
Newark to Dallas/Fort Worth flights
John F Kennedy Intl to San Francisco flights
LaGuardia to O'Hare Intl flights
O'Hare Intl to Las Vegas flights
Fort Lauderdale to Newark flights
Newark to O'Hare Intl flights
John F Kennedy Intl to Fort Lauderdale flights
Dallas/Fort Worth to Seattle flights
John F Kennedy Intl to Dallas/Fort Worth flights
Dallas/Fort Worth to John F Kennedy Intl flights
Newark to Atlanta flights
Dallas/Fort Worth to Las Vegas flights
Dallas/Fort Worth to Newark flights
John F Kennedy Intl to Orlando flights
San Francisco to Newark flights
Los Angeles to LaGuardia flights
Los Angeles to Dallas/Fort Worth flights
O'Hare Intl to Seattle flights
Seattle to Las Vegas flights
Boston to Orlando flights
O'Hare Intl to LaGuardia flights
Los Angeles to Boston flights
Los Angeles to Miami flights
Seattle to Sky Harbor Intl flights
Newark to Seattle flights
Atlanta to Las Vegas flights
Atlanta to Newark flights
Los Angeles to Las Vegas flights
LaGuardia to Atlanta flights

Top 5 airlines flying from Illinois to Missouri

Discover the top 5 airlines that operate flights from Illinois to Missouri. 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 2,689,106 searches. Data last updated May 6, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$102Average$358FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$109Average$302FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
ContourCheapest$116Average$123FlexibilityNo cancel feeOn-timeN/A
Search Contour flights
Southern / MokuleleCheapest$141Average$165FlexibilityNo cancel feeOn-timeN/A
Search Southern / Mokulele flights
DeltaCheapest$250Average$432FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Boston to London flights
Chicago O'Hare Intl Airport to Cancún flights
Los Angeles to Kansas City flights
San Francisco to New York John F Kennedy Intl Airport flights
California to Florida flights
Atlanta to Los Angeles flights
Los Angeles to Fort Lauderdale flights
Los Angeles to Amsterdam flights
Fort Lauderdale to Tampa flights
New York to Milan flights
USA to Barcelona flights
Illinois to Mississippi flights

Search flights from Illinois to Missouri by cabin class

Find flights from Illinois to Missouri, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Hourly flight availability from Illinois to Missouri

Find hourly flight availability from Illinois to Missouri. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 6, 2024.
5%of flight departuresEarly morningMidnight to 6 am
27%of flight departuresMorning6 am to noon
41%of flight departuresAfternoonNoon to 6 pm
27%of flight departuresEvening6 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
Flights to Saint Peter Jersey
Flights to Kirkwall Arpt
Flights to Skiathos
Flights to Naxos
Flights to Ningbo Lishe Intl
Flights to Edremit/Korfez
Flights to Bourgas
Flights to Bodø
Flights to Pellston Emmet County
Flights to Cornwall Newquay
Flights to Ordu/Giresun
Flights to Batumi
Flights to Mason City
Flights to Biarritz Parme
Flights to Zakynthos Dionsios Salomos
Flights to Cortez Montezuma County
Flights to Clermont-Ferrand Aulnat
Flights to Nevsehir
Flights to Hyannis Barnstable
Flights to Girona Costa Brava
Flights to Kagoshima
Flights to Perugia Sant Egidio
Flights to Oran Es Senia
Flights to Chios

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Illinois to Missouri?

When you search for this flight from Illinois to Missouri, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Illinois to Missouri?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Illinois to Missouri.

Can Cheapflights find flights from Illinois to Missouri with no change fees?

Yes, we can. To see specific flights from Illinois to Missouri with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Illinois to Missouri become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Missouri from Illinois today and book when prices fit your budget.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines