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Cheap flights from St. Louis (STL) to O'Hare Intl (ORD) from $50

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 6/29. 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.
STL — ORD
Jun 11 — Jun 181
From?
To?
Tue 6/11
Tue 6/18
1 adult, Economy
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The best prices from Lambert-St Louis to Chicago O'Hare Intl are usually found in January or April, booked 64 days in advance, depart on a Tuesday or Thursday and return on a Friday

Cheap flight deals from St. Louis to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to O'Hare Intl (ORD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 6, 2024.

Popular in

March

Cheapest in

January

Round-trip from

$223

One-way from

$92
High demand for flights, 22% potential price rise
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Best time to find cheap flights, 11% potential price drop
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From Lambert-St Louis to Chicago O'Hare Intl
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One-way flight from Lambert-St Louis to Chicago O'Hare Intl
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What is the cheapest day to fly round-trip from St. Louis to Chicago O'Hare Intl Airport?

Monday is generally a great day to depart. Flying on this day could help you save up to 35%.

How far in advance should I book a flight from St. Louis to Chicago O'Hare Intl Airport?

Users have found that booking a flight from St. Louis to Chicago O'Hare Intl Airport at least 41 days early can save you up to 57% on average compared to booking a flight this week. If booking 41 days before your flight isn’t an option for you, users have found flights from St. Louis to Chicago O'Hare Intl Airport for as little as $180 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $290 for flights departing within the next 3 days.

What is the cheapest month to fly from St. Louis to Chicago O'Hare Intl Airport?

April can be a great time to fly to Chicago O'Hare Intl Airport from St. Louis with a flight ticket averaging about $244. Cheapflights users have found deals in the month of April for as cheap as $106. The most expensive prices can be found in the month of July.

What is the cheapest time of day to fly from STL to ORD?

It’s typically best to fly out from St. Louis to Chicago O'Hare Intl Airport in the evening. Doing so could potentially save you 40% on the flight price compared to flying at noon, which is usually more expensive.

Cheap St. Louis to O'Hare Intl flights in June & July 2024

Find cheap flight options from St. Louis to O'Hare Intl specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Prices were last updated on June 6, 2024.
Check out some of the best flight deals from St. Louis to Chicago in 2024. More deals are always being added, so be sure to check back regularly.
Sat 6/296:00 amSTL - ORD
Nonstop1h 22mAmerican Airlines
Mon 7/14:05 pmORD - STL
Nonstop1h 13mAmerican Airlines
Deal found 6/6$108
Sun 7/1412:00 pmSTL - ORD
1 stop4h 10mSouthern / Mokulele
Tue 7/169:25 pmORD - STL
1 stop14h 05mSouthern / Mokulele
Deal found 6/4$116
Thu 7/46:00 amSTL - ORD
Nonstop1h 22mAmerican Airlines
Fri 7/54:06 pmORD - STL
Nonstop1h 13mAmerican Airlines
Deal found 6/5$117
Wed 7/312:15 pmSTL - ORD
1 stop3h 35mSouthern / Mokulele
Sun 7/78:20 pmORD - STL
1 stop15h 25mSouthern / Mokulele
Deal found 6/5$119
Tue 7/212:00 pmSTL - ORD
1 stop4h 10mSouthern / Mokulele
Sun 7/79:25 pmORD - STL
1 stop19h 20mSouthern / Mokulele
Deal found 6/6$120
Sun 6/1612:15 pmSTL - ORD
1 stop3h 35mSouthern / Mokulele
Fri 7/128:25 amORD - STL
1 stop11h 30mSouthern / Mokulele
Deal found 6/6$121
Wed 7/312:15 pmSTL - ORD
1 stop3h 35mSouthern / Mokulele
Fri 7/58:25 amORD - STL
1 stop11h 30mSouthern / Mokulele
Deal found 6/5$123
Fri 6/2112:00 pmSTL - ORD
1 stop4h 10mSouthern / Mokulele
Sun 6/239:25 pmORD - STL
1 stop19h 20mSouthern / Mokulele
Deal found 6/4$124
Tue 6/1112:00 pmSTL - ORD
1 stop19h 40mSouthern / Mokulele
Wed 6/129:25 pmORD - STL
1 stop19h 20mSouthern / Mokulele
Deal found 6/6$125

St. Louis to O'Hare Intl 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and O'Hare Intl in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 6, 2024.
Check out some of the best flight deals from St. Louis to Chicago in 2024. More deals are always being added, so be sure to check back regularly.
Sat 6/296:00 amSTL - ORD
Nonstop1h 22mAmerican Airlines
Mon 7/14:05 pmORD - STL
Nonstop1h 13mAmerican Airlines
Deal found 6/6$108
Fri 8/912:00 pmSTL - ORD
1 stop19h 40mSouthern / Mokulele
Sat 8/109:25 pmORD - STL
1 stop14h 05mSouthern / Mokulele
Deal found 6/6$111
Sun 7/1412:00 pmSTL - ORD
1 stop4h 10mSouthern / Mokulele
Tue 7/169:25 pmORD - STL
1 stop14h 05mSouthern / Mokulele
Deal found 6/4$116
Thu 7/46:00 amSTL - ORD
Nonstop1h 22mAmerican Airlines
Fri 7/54:06 pmORD - STL
Nonstop1h 13mAmerican Airlines
Deal found 6/5$117
Wed 7/312:15 pmSTL - ORD
1 stop3h 35mSouthern / Mokulele
Sun 7/78:20 pmORD - STL
1 stop15h 25mSouthern / Mokulele
Deal found 6/5$119
Tue 7/212:00 pmSTL - ORD
1 stop4h 10mSouthern / Mokulele
Sun 7/79:25 pmORD - STL
1 stop19h 20mSouthern / Mokulele
Deal found 6/6$120
Sun 6/1612:15 pmSTL - ORD
1 stop3h 35mSouthern / Mokulele
Fri 7/128:25 amORD - STL
1 stop11h 30mSouthern / Mokulele
Deal found 6/6$121
Wed 7/312:15 pmSTL - ORD
1 stop3h 35mSouthern / Mokulele
Fri 7/58:25 amORD - STL
1 stop11h 30mSouthern / Mokulele
Deal found 6/5$123
Fri 6/2112:00 pmSTL - ORD
1 stop4h 10mSouthern / Mokulele
Sun 6/239:25 pmORD - STL
1 stop19h 20mSouthern / Mokulele
Deal found 6/4$124

St. Louis to O'Hare Intl flights leaving soon

Find last-minute flight options from St. Louis to O'Hare Intl 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 3,050,429 searches. Data last updated June 6, 2024.
Check out these flights departing soon from St. Louis to Chicago. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
Sun 6/1612:15 pmSTL - ORD
1 stop3h 35mSouthern / Mokulele
Fri 7/128:25 amORD - STL
1 stop11h 30mSouthern / Mokulele
Deal found 6/6$121
Thu 6/135:00 pmSTL - ORD
1 stop14h 40mSouthern / Mokulele
Thu 6/208:25 amORD - STL
1 stop11h 30mSouthern / Mokulele
Deal found 6/6$123
Tue 6/1112:00 pmSTL - ORD
1 stop19h 40mSouthern / Mokulele
Wed 6/129:25 pmORD - STL
1 stop19h 20mSouthern / Mokulele
Deal found 6/6$125
Thu 6/135:00 pmSTL - ORD
1 stop14h 40mSouthern / Mokulele
Mon 6/248:20 pmORD - STL
1 stop15h 25mSouthern / Mokulele
Deal found 6/6$126
Fri 6/1412:00 pmSTL - ORD
1 stop19h 40mSouthern / Mokulele
Mon 6/178:15 amORD - STL
1 stop8h 30mSouthern / Mokulele
Deal found 6/5$129
Fri 6/1412:15 pmSTL - ORD
1 stop19h 25mSouthern / Mokulele
Sun 6/168:20 pmORD - STL
1 stop15h 25mSouthern / Mokulele
Deal found 6/6$130
Tue 6/1112:00 pmSTL - ORD
1 stop19h 40mSouthern / Mokulele
Wed 6/129:25 pmORD - STL
1 stop14h 05mSouthern / Mokulele
Deal found 6/4$131
Fri 6/1412:00 pmSTL - ORD
1 stop19h 40mSouthern / Mokulele
Tue 6/189:25 pmORD - STL
1 stop14h 05mSouthern / Mokulele
Deal found 6/5$136
Fri 6/1412:15 pmSTL - ORD
1 stop19h 25mSouthern / Mokulele
Mon 6/178:25 amORD - STL
1 stop11h 30mSouthern / Mokulele
Deal found 6/4$140

One-way flights to O'Hare Intl from St. Louis

Search for one-way flight options from St. Louis to O'Hare Intl. 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 3,050,429 searches. Data last updated June 6, 2024.
Users traveling one-way from St. Louis to Chicago can select one of these great deals. Users in need of a round-trip flight from St. Louis to Chicago instead should update the search form at the top of page.
Sat 6/296:00 amSTL - ORD
Nonstop1h 22mAmerican Airlines
Deal found 6/5$50
Thu 6/2712:15 pmSTL - ORD
1 stop3h 35mSouthern / Mokulele
Deal found 6/6$55
Fri 6/2112:15 pmSTL - ORD
1 stop3h 35mSouthern / Mokulele
Deal found 6/5$56
Wed 6/1212:15 pmSTL - ORD
1 stop3h 35mSouthern / Mokulele
Deal found 6/5$57
Fri 7/55:30 pmSTL - ORD
Nonstop1h 25mUnited Airlines
Deal found 6/5$59
Sat 6/2912:15 pmSTL - ORD
1 stop3h 35mSouthern / Mokulele
Deal found 6/5$60
Thu 6/1312:00 pmSTL - ORD
1 stop19h 40mSouthern / Mokulele
Deal found 6/5$62
Sat 7/612:15 pmSTL - ORD
1 stop3h 35mSouthern / Mokulele
Deal found 6/4$63
Fri 7/52:00 pmSTL - ORD
1 stop17h 40mSouthern / Mokulele
Deal found 6/5$65

Find flights from St. Louis to O'Hare Intl within your budget

Customize your flight search to find flights from St. Louis 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 3,050,429 searches. Data last updated June 6, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$108 - $231

Route

Depart

Return

Price

Lambert-St LouisChicago O'Hare Intl

STL - ORD

STLORD

Lambert-St Louis

Sat 6/29

Nonstop1h 22m

Chicago O'Hare Intl

Mon 7/1

Nonstop1h 13m

$108

Lambert-St LouisChicago O'Hare Intl

STL - ORD

STLORD

Lambert-St Louis

Fri 8/9

1 stop19h 40m

Chicago O'Hare Intl

Sat 8/10

1 stop14h 05m

$111

Lambert-St LouisChicago O'Hare Intl

STL - ORD

STLORD

Lambert-St Louis

Sun 7/14

1 stop4h 10m

Chicago O'Hare Intl

Tue 7/16

1 stop14h 05m

$116

Lambert-St LouisChicago O'Hare Intl

STL - ORD

STLORD

Lambert-St Louis

Thu 7/4

Nonstop1h 22m

Chicago O'Hare Intl

Fri 7/5

Nonstop1h 13m

$117

Lambert-St LouisChicago O'Hare Intl

STL - ORD

STLORD

Lambert-St Louis

Wed 7/3

1 stop3h 35m

Chicago O'Hare Intl

Tue 8/27

2 stops22h 50m

$132

Lambert-St LouisChicago O'Hare Intl

STL - ORD

STLORD

Lambert-St Louis

Fri 8/9

1 stop4h 08m

Chicago O'Hare Intl

Sat 8/10

2 stops9h 57m

$161

Lambert-St LouisChicago O'Hare Intl

STL - ORD

STLORD

Lambert-St Louis

Mon 7/22

Nonstop1h 34m

Chicago O'Hare Intl

Wed 7/24

Nonstop1h 20m

$167

Lambert-St LouisChicago O'Hare Intl

STL - ORD

STLORD

Lambert-St Louis

Sat 9/7

2 stops15h 37m

Chicago O'Hare Intl

Sat 9/14

1 stop11h 15m

$191

Lambert-St LouisChicago O'Hare Intl

STL - ORD

STLORD

Lambert-St Louis

Mon 6/24

2 stops18h 00m

Chicago O'Hare Intl

Wed 6/26

1 stop6h 00m

$231

Flights are sorted by cheapest first

Deals found on 6/6

How far ahead should I book a flight from St. Louis to Chicago O'Hare Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to O'Hare Intl. Price data was last updated on May 31, 2024.
To ensure you get the cheapest price possible for a flight from St. Louis to Chicago O'Hare Intl Airport, you should look to book at least 64 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.
Search Deals

What is the cheapest day to fly from St. Louis to Chicago O'Hare Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to O'Hare Intl. Price data was last updated on June 2, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Chicago O'Hare Intl Airport flight should consider departing on Friday evenings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from St. Louis to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from St. Louis 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.

Temperature and rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature and rainfall totals by month.

CHI

Temperature

23 - 73.4 °F

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated June 6, 2024.
Get a feel of what it's like to fly with Southwest, Southern / Mokulele and American Airlines from St. Louis to Chicago by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.2
Very good
5,918 reviews

Boarding

8.3

Crew

8.7

Comfort

8.1

Food

7.3

Entertainment

7.8

Overall

8.2

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Southwest
8.2
Very good
5,918 reviews
Southwest
8.2
Very good
5,918 reviews

Boarding

8.3

Crew

8.7

Comfort

8.1

Food

7.3

Entertainment

7.8

Overall

8.2

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Delta
8.0
Very good
10,368 reviews
Southwest
8.2
Very good
5,918 reviews

Boarding

8.3

Crew

8.7

Comfort

8.1

Food

7.3

Entertainment

7.8

Overall

8.2

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

United Airlines
7.4
Good
10,696 reviews
Southwest
8.2
Very good
5,918 reviews

Boarding

8.3

Crew

8.7

Comfort

8.1

Food

7.3

Entertainment

7.8

Overall

8.2

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

American Airlines
7.3
Good
14,227 reviews
Southwest
8.2
Very good
5,918 reviews

Boarding

8.3

Crew

8.7

Comfort

8.1

Food

7.3

Entertainment

7.8

Overall

8.2

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Related info for your journey

Find useful and relevant information for your journey from St. Louis 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.

  • What airport do you fly from for flights from St. Louis to Chicago O'Hare Intl?

    If you book a flight to Chicago O'Hare Intl from St. Louis, you will be flying from Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis. There are 47 flights from Lambert-St Louis to Chicago O'Hare Intl per day from 3 different airlines.

  • Can I find flights from St. Louis to Chicago O'Hare Intl Airport for under $200 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Chicago O'Hare Intl Airport for under $200. The cheapest flight booked recently is on American Airlines for just $108, but on average you can expect to pay $128.

  • Are there nonstop flights from St. Louis to Chicago O'Hare Intl Airport for under $200 on Cheapflights?

    Cheapflights has at least 20 direct flights from St. Louis to Chicago O'Hare Intl Airport under $200. A good price for a nonstop flight from St. Louis to Chicago O'Hare Intl Airport is less than $195.

  • Are there last-minute flights available from St. Louis to Chicago O'Hare Intl Airport for under $200?

    There are currently 20+ open flights from St. Louis to Chicago O'Hare Intl Airport within the next 7 days for less than $200.

  • What days are nonstop flights available from St. Louis to Chicago O'Hare Intl Airport?

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

  • How many flights depart from St. Louis to Chicago O'Hare Intl Airport on average per day?

    On average, you can expect to see 7 flights from St. Louis to Chicago O'Hare Intl Airport a day.
    Morning (6am - Noon) - 29% of flight departures
    Afternoon (Noon - 6pm) - 43% of flight departures
    Evening (6pm - Midnight) - 29% of flight departures

  • How long is the flight from St. Louis to Chicago O'Hare Intl Airport?

    American Airlines, Southern / Mokulele, and Delta can get you from St. Louis to Chicago O'Hare Intl Airport in just under 1h 22m. Your travel time can differ by up to 18h 18m. The distance between St. Louis and Chicago O'Hare Intl Airport is about 259 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from St. Louis to Chicago O'Hare Intl Airport round-trip?

    Flying on American Airlines is currently your cheapest option to Chicago O'Hare Intl Airport, with prices starting at $108. Additional round-trip tickets that might be worth considering are offered by Southern / Mokulele and Delta, with the lowest prices starting at $111 and $161, respectively. American Airlines is 60% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from St. Louis to Chicago O'Hare Intl Airport one-way?

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $50. Users have also found prices from $55 and $59 on Southern / Mokulele and United Airlines, respectively.

  • What are the most reliable airlines from St. Louis to Chicago O'Hare Intl Airport?

    Before booking your flight to Chicago O'Hare Intl Airport from St. Louis, check out the most reliable airlines to get you to your destination on time: Sun Country Air (100%), Austrian Airlines (97%), Copa Airlines( 96%).

  • What are the cheapest flights from St. Louis to Chicago O'Hare Intl Airport?

    The cheapest flight price from St. Louis to Chicago O'Hare Intl Airport is $118. On average you can expect to pay $1,480. The most popular route, (Lambert-St Louis - Chicago O'Hare Intl), can usually be booked for $117.

  • What does STL to ORD mean?

    This is defined as Lambert-St Louis Airport (STL) and Chicago O'Hare Intl Airport (ORD). Codes like Chicago O'Hare Intl Airport are often used to just call airports uniquely.

  • Can I find deals for flights from St. Louis to O'Hare Intl that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to O'Hare Intl 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 St. Louis to O'Hare Intl with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to O'Hare Intl 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 St. Louis to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on St. Louis to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to O'Hare Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to O'Hare Intl.

  • Can I find deals for business class flights from St. Louis to O'Hare Intl?

    Yes. Cheapflights offers flight deals from St. Louis to O'Hare Intl 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 St. Louis to O'Hare Intl that allow pets onboard?

    Many airlines flying from St. Louis to O'Hare Intl 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 St. Louis to O'Hare Intl?

    Yes, you can often find last-minute deals on St. Louis to O'Hare Intl 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 St. Louis to Chicago O'Hare Intl Airport flight deals updated?

    The St. Louis to Chicago O'Hare Intl Airport flight deals you see on this page were last updated on 6/6.

  • What are the most popular airlines that fly from St. Louis to Chicago O'Hare Intl Airport?

    Consider Southern / Mokulele, American Airlines or United Airlines when booking your flight. These represent the most popular airlines when flying from St. Louis to Chicago O'Hare Intl Airport.

  • What is the cheapest month to book a flight from St. Louis to Chicago O'Hare Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from St. Louis to Chicago O'Hare Intl Airport (average of $244). Flying from St. Louis to Chicago O'Hare Intl Airport in July is currently the most expensive (average of $324). 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 St. Louis to O'Hare Intl
See prices for flight routes from nearby airports that may be better suited for you.

Kansas City to O'Hare Intl flights
St. Louis to Midway flights
Kansas City to Midway flights
Springfield to O'Hare Intl flights
Columbia to O'Hare Intl flights
Springfield to Midway flights
Quincy to O'Hare Intl flights
Joplin to O'Hare Intl flights
Cape Girardeau to O'Hare Intl flights
Branson to O'Hare Intl flights

Top 3 airlines flying from St. Louis to O'Hare Intl

Discover the top 3 airlines that operate flights from St. Louis 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 3,050,429 searches. Data last updated June 6, 2024.
AirlineCheapestAverageFlexibilityOn-time
Southern / MokuleleCheapest$110Average$171FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$121Average$291FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$127Average$266FlexibilityNo cancel feeOn-time71%
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Search flights from St. Louis to O'Hare Intl by cabin class

Find flights from St. Louis to O'Hare Intl, 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 St. Louis to O'Hare Intl

Find hourly flight availability from St. Louis 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 June 6, 2024.
6%of flight departuresEarly morningMidnight to 6 am
42%of flight departuresMorning6 am to noon
52%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from St. Louis to O'Hare Intl

Explore weekly flight availability from St. Louis 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 June 6, 2024.
Sunday51daily flights
Monday52daily flights
Tuesday41daily flights
Wednesday41daily flights
Thursday50daily flights
Friday52daily flights
Saturday42daily flights

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