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$54+ Cheap flights from Illinois to Missouri

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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — STL
Nov 9 — Nov 161
1 adult
Sat 11/9
Sat 11/16
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Find flight deals from Illinois to Missouri

Cheapest flights from Illinois to Missouri
Explore the most affordable flight options available from Illinois to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 4, 2024.

This Flightnetwork deal was found by Cheapflights users on 11/3. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/511:25 amORD - CGI
Nonstop1h 35mContour
Mon 12/98:40 amCGI - ORD
Nonstop1h 40mContour
Deal found 11/3$102
This Flightnetwork deal was found by Cheapflights users on 11/3. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/138:20 pmORD - STL
1 stop15h 25mSouthern / Mokulele
Mon 12/1612:15 pmSTL - ORD
1 stop3h 35mSouthern / Mokulele
Deal found 11/3$111
This eDestinos deal was found by Cheapflights users on 11/2. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/164:40 pmORD - STL
1 stop6h 45mFrontier
Tue 11/195:37 pmSTL - ORD
1 stop23h 53mFrontier
Deal found 11/2$114
This Priceline deal was found by Cheapflights users on 11/2. 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.
Sat 11/164:40 pmORD - STL
1 stop6h 45mMultiple Airlines
Sat 11/2312:15 pmSTL - ORD
1 stop3h 35mMultiple Airlines
Deal found 11/2$122
This Mytrip deal was found by Cheapflights users on 11/4. 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 11/209:45 amMDW - STL
1 stop14h 09mFrontier
Sat 11/236:32 pmSTL - MDW
1 stop19h 14mFrontier
Deal found 11/4$134
This Frontier deal was found by Cheapflights users on 11/3. 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.
Fri 12/67:15 amMDW - MCI
1 stop10h 20mFrontier
Mon 12/96:25 pmMCI - MDW
1 stop5h 48mFrontier
Deal found 11/3$158
This Booking.com deal was found by Cheapflights users on 11/3. 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 11/2012:21 pmORD - MCI
1 stop24h 35mFrontier
Sat 11/232:43 pmMCI - ORD
1 stop20h 50mFrontier
Deal found 11/3$158
This FareScan deal was found by Cheapflights users on 11/3. 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 FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/38:27 pmORD - MCI
1 stop25h 40mSpirit Airlines
Tue 12/102:33 pmMCI - ORD
1 stop14h 57mSpirit Airlines
Deal found 11/3$184
This Mytrip deal was found by Cheapflights users on 11/3. 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 11/154:09 pmSTL - MCI
1 stop5h 15mFrontier
Mon 11/188:17 pmMCI - STL
1 stop26h 56mFrontier
Deal found 11/3$194
This American Airlines deal was found by Cheapflights users on 11/3. 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.
Wed 12/187:34 pmORD - COU
Nonstop1h 23mAmerican Airlines
Wed 12/255:55 amCOU - ORD
Nonstop1h 32mAmerican Airlines
Deal found 11/3$200
This CheapOair deal was found by Cheapflights users on 11/4. 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.
Fri 12/67:25 amORD - MCI
1 stop10h 10mMultiple Airlines
Mon 12/97:03 pmMCI - ORD
1 stop10h 27mMultiple Airlines
Deal found 11/4$203
This United Airlines deal was found by Cheapflights users on 11/4. 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 12/28:17 pmORD - SGF
Nonstop1h 53mUnited Airlines
Thu 12/58:00 amSGF - ORD
Nonstop1h 55mUnited Airlines
Deal found 11/4$239

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 2,455,398 searches. Data last updated November 4, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoCape Girardeau

ORD - CGI

ORDCGI

Chicago O'Hare Intl

Thu 12/5

11:25 am-1:00 pm

Nonstop1h 35m

$54

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Sat 11/16

4:40 pm-11:25 pm

1 stop6h 45m

$54

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Sun 1/12

9:25 pm-4:45 pm

1 stop19h 20m

$61

ChicagoKansas City

ORD - MCI

ORDMCI

Chicago O'Hare Intl

Wed 12/4

7:33 am-6:05 pm

2 stops34h 32m

$101

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Wed 12/25

5:00 pm-6:15 pm

Nonstop1h 15m

$119

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Wed 12/25

8:15 pm-9:45 pm

Nonstop1h 30m

$119

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Mon 12/16

11:33 am-11:33 pm

1 stop12h 00m

$60

ChicagoSpringfield

ORD - SGF

ORDSGF

Chicago O'Hare Intl

Fri 11/29

1:35 pm-3:18 pm

Nonstop1h 43m

$120

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Wed 12/25

4:50 pm-10:06 pm

1 stop5h 16m

$128

St. LouisKansas City

STL - MCI

STLMCI

Lambert-St Louis

Tue 11/19

5:37 pm-3:06 pm

1 stop21h 29m

$62

Flights are sorted by cheapest first

Deals found on 11/3

Showing 1-10 of 60 results
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Best time to book a flight from Illinois to Missouri

Have a flexible travel schedule? Discover the best time to fly to Missouri from Illinois with our price prediction graph.
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.

Travel insights for flights from Illinois to Missouri

Get recent, data-driven insights about flights from Illinois to Missouri including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Illinois to Missouri?

Currently, September is the cheapest month in which you can book a flight from Illinois to Missouri (average of $308). Flying from Illinois to Missouri in March is currently the most expensive (average of $356). 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 IL to MO?

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 November 4, 2024.

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.

Weekly flight availability from Illinois to Missouri

Explore weekly flight availability from Illinois to Missouri. 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 November 4, 2024.

The most flights from USIL to USMO are scheduled on a Monday (51 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (27 on average).

Rainfall in Missouri by month

Plan your trip to Missouri by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Missouri ranges from 1.1 - 5.2 inches per month. May is typically the wettest month, when rainfall can reach 5.2 in. January is typically the driest time to visit Missouri when rainfall is around 1.1 in.

Temperature in Missouri by month

Plan your trip to Missouri by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Missouri, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

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 November 4, 2024.
Get a feel of what it's like to fly with Southern / Mokulele, Southwest and Frontier 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
8.1
Very good
5,089 reviews

Overall

8.1

Comfort

8.1

Crew

8.7

Food

7.2

Boarding

8.3

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,089 reviews
Southwest
8.1
Very good
5,089 reviews

Overall

8.1

Comfort

8.1

Crew

8.7

Food

7.2

Boarding

8.3

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Alaska Airlines
8.0
Very good
9,423 reviews
Southwest
8.1
Very good
5,089 reviews

Overall

8.1

Comfort

8.1

Crew

8.7

Food

7.2

Boarding

8.3

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,829 reviews
Southwest
8.1
Very good
5,089 reviews

Overall

8.1

Comfort

8.1

Crew

8.7

Food

7.2

Boarding

8.3

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,226 reviews
Southwest
8.1
Very good
5,089 reviews

Overall

8.1

Comfort

8.1

Crew

8.7

Food

7.2

Boarding

8.3

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

WestJet
7.3
Good
2,803 reviews
Southwest
8.1
Very good
5,089 reviews

Overall

8.1

Comfort

8.1

Crew

8.7

Food

7.2

Boarding

8.3

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

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 $200 on Cheapflights?

    Yes, there are multiple flights from Illinois to Missouri for under $200. The cheapest flight booked recently is on Contour for just $102, but on average you can expect to pay $190.

  • Are there nonstop flights from Illinois to Missouri for under $200 on Cheapflights?

    Cheapflights has at least 11 direct flights from Illinois to Missouri under $200. A good price for a nonstop flight from Illinois to Missouri is less than $251.

  • 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: Monday, Wednesday, Thursday, Friday, Saturday.

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

    28 flight departures from Illinois to Missouri per day on average.
    Morning (6am - Noon) - 46% of flight departures
    Afternoon (Noon - 6pm) - 29% of flight departures
    Evening (6pm - Midnight) - 25% of flight departures

  • How long is the flight from Illinois to Missouri?

    A quick flight from Illinois to Missouri can take about 1h 35m. Contour provides one of the quickest options available for as low as $102. The distance between Illinois and Missouri is about 259 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 Contour, with whom users have recently found tickets for as low as $54. However, be on the lookout for offers from Frontier and Southern / Mokulele, as they are both options that can get you from Illinois to Missouri for a low price.

  • What does ORD to STL mean?

    Great question - ORD to STL just means Chicago O'Hare Intl Airport to Lambert-St Louis 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 Kansas City Airport (MCI), Springfield-Branson Airport (SGF), Kansas City Downtown Airport (MKC), Columbia Regional Airport (COU), 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 11/4.

  • What is the cheapest month to book a flight from Illinois to Missouri?

    Currently, September is the cheapest month in which you can book a flight from Illinois to Missouri (average of $308). Flying from Illinois to Missouri in March is currently the most expensive (average of $356). 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.

See more FAQs

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Alternative routes for Illinois to Missouri

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Illinois to Missouri

Discover the top 6 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 2,455,398 searches. Data last updated November 4, 2024.
AirlineCheapestAverageFlexibilityOn-time
ContourCheapest$88Average$122FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$102Average$322FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$106Average$303FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$129Average$326FlexibilityNo cancel feeOn-time63%
Southern / MokuleleCheapest$143Average$168FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$156Average$503FlexibilityNo cancel feeOn-timeN/A
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