Q: How many flights are there between St. Louis and Chicago O'Hare Intl Airport per day?

Each day, there are between 12 and 14 direct flights that take off from St. Louis and land in Chicago O'Hare Intl Airport, with an average flight time of 1h 26m. The most common departure time is 05:00 and most flights take off in the morning. Each week, there are 92 flights. The most frequent day of departure is Monday, when 15% of all weekly flights depart. The fewest flights depart on a Friday. Visit our flight page for the latest deals!>/a>

Q: How many flights are there between St. Louis and Chicago O'Hare Intl Airport per day?

Each day, there are between 12 and 14 direct flights that take off from St. Louis and land in Chicago O'Hare Intl Airport, with an average flight time of 1h 26m. The most common departure time is 05:00 and most flights take off in the morning. Each week, there are 92 flights. The most frequent day of departure is Monday, when 15% of all weekly flights depart. The fewest flights depart on a Friday. Visit our flight page for the latest deals!>/a>

Q: What’s the earliest departure time from St. Louis to Chicago?

Early birds can take the earliest flight from St. Louis at 05:00 and will be landing in Chicago O'Hare Intl Airport at 06:30.

Question 1

How many flights are there between St. Louis and Chicago O'Hare Intl Airport per day?

Accepted Answer

Each day, there are between 12 and 14 direct flights that take off from St. Louis and land in Chicago O'Hare Intl Airport, with an average flight time of 1h 26m. The most common departure time is 05:00 and most flights take off in the morning. Each week, there are 92 flights. The most frequent day of departure is Monday, when 15% of all weekly flights depart. The fewest flights depart on a Friday. Visit our flight page for the latest deals!>/a>

Question 2

How many flights are there between St. Louis and Chicago O'Hare Intl Airport per day?

Accepted Answer

Each day, there are between 12 and 14 direct flights that take off from St. Louis and land in Chicago O'Hare Intl Airport, with an average flight time of 1h 26m. The most common departure time is 05:00 and most flights take off in the morning. Each week, there are 92 flights. The most frequent day of departure is Monday, when 15% of all weekly flights depart. The fewest flights depart on a Friday. Visit our flight page for the latest deals!>/a>

Question 3

What’s the cheapest day of the week to fly from St. Louis to Chicago?

Accepted Answer

If your flying dates are flexible, you should consider flying to Chicago on a Wednesday, as we generally find the cheapest rates on that day for this route. On the other hand, Monday is the most expensive day to fly from St. Louis to Chicago. For your return ticket, we recommend flying on a Tuesday and avoiding Wednesdays for the best deals. Visit our flight page for the latest deals!>/a>

Question 4

What’s the cheapest day of the week to fly from St. Louis to Chicago?

Accepted Answer

If your flying dates are flexible, you should consider flying to Chicago on a Wednesday, as we generally find the cheapest rates on that day for this route. On the other hand, Monday is the most expensive day to fly from St. Louis to Chicago. For your return ticket, we recommend flying on a Tuesday and avoiding Wednesdays for the best deals. Visit our flight page for the latest deals!>/a>

Question 5

What’s the earliest departure time from St. Louis to Chicago?

Accepted Answer

Early birds can take the earliest flight from St. Louis at 05:00 and will be landing in Chicago O'Hare Intl Airport at 06:30.

Question 6

What’s the latest departure time from St. Louis to Chicago?

Accepted Answer

If you prefer to fly at night, the latest flight from St. Louis to Chicago O'Hare Intl Airport jets off at 20:05 and lands at 21:30.

Question 7

Which airlines offer Wi-Fi service onboard planes from St. Louis to Chicago?

Accepted Answer

American Airlines, Delta, Lufthansa, Alaska Airlines, and United Airlines offer inflight Wi-Fi service on the St. Louis to Chicago flight route.

Question 8

Which aircraft models fly most regularly from St. Louis to Chicago?

Accepted Answer

The Airbus A319 is the aircraft model that flies most regularly on the St. Louis to Chicago flight route.

Question 9

Which airline alliances offer flights from St. Louis to Chicago?

Accepted Answer

oneworld, and Star Alliance are the airline alliances operating flights between St. Louis and Chicago, with Star Alliance being the most commonly used for this route.

Question 10

On which days can I fly direct from St. Louis to Chicago?

Accepted Answer

There are direct flights from St. Louis to Chicago on a daily basis.

Question 11

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

Accepted Answer

The cheapest month for flights from St. Louis to Chicago O'Hare Intl Airport is September, where tickets cost £158 (return) on average. On the other hand, the most expensive months are July and June, where the average cost of round-trip tickets is £246 and £232 respectively.

Question 12

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

Accepted Answer

The cheapest month for flights from St. Louis to Chicago O'Hare Intl Airport is September, where tickets cost £158 (return) on average. On the other hand, the most expensive months are July and June, where the average cost of round-trip tickets is £246 and £232 respectively.

Question 13

How does KAYAK find such low prices on flights from St. Louis to Chicago?

Accepted Answer

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from St. Louis to Chicago. <a href='/flight-routes/Lambert-St-Louis-STL/Chicago-O-Hare-Intl-ORD'>Visit our flight page for the latest deals!>/a>

Question 14

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from St. Louis to Chicago?

Accepted Answer

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago from St. Louis is likely to change within 7 days, so travellers know whether to wait or book now. <a href='/flight-routes/Lambert-St-Louis-STL/Chicago-O-Hare-Intl-ORD'>Visit our flight page for the latest deals!>/a>

Question 15

What is the Hacker Fare option on flights from St. Louis to Chicago?

Accepted Answer

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Chicago with an airline and back to St. Louis with another airline. <a href='/flight-routes/Lambert-St-Louis-STL/Chicago-O-Hare-Intl-ORD'>Visit our flight page for the latest deals!>/a>

Question 16

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from St. Louis to Chicago?

Accepted Answer

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Chicago from St. Louis up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. <a href='/flight-routes/Lambert-St-Louis-STL/Chicago-O-Hare-Intl-ORD'>Visit our flight page for the latest deals!>/a>

Question 17

Which cabin class options are there for flights between St. Louis and Chicago O'Hare Intl Airport?

Accepted Answer

There are 2 cabin class options for the route. These are First and Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Question 18

Which cabin class options are there for flights between St. Louis and Chicago O'Hare Intl Airport?

Accepted Answer

There are 2 cabin class options for the route. These are First and Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Question 19

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

Accepted Answer

To get a below average price on the flight from St. Louis to Chicago O'Hare Intl Airport, you should book around 4 weeks before departure, which saves you about 59% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 14 weeks before departure.

Question 20

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

Accepted Answer

To get a below average price on the flight from St. Louis to Chicago O'Hare Intl Airport, you should book around 4 weeks before departure, which saves you about 59% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 14 weeks before departure.

Low season	August
High season	March

STL - ORD

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KAYAK's insights & trends for St. Louis to O'Hare Intl flights

Get data-powered insights and trends into flights from St. Louis to O'Hare Intl to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from St. Louis to Chicago?

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

The cheapest month for flights from St. Louis to Chicago O'Hare Intl Airport is September, where tickets cost £158 (return) on average. On the other hand, the most expensive months are July and June, where the average cost of round-trip tickets is £246 and £232 respectively.

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

To get a below average price on the flight from St. Louis to Chicago O'Hare Intl Airport, you should book around 4 weeks before departure, which saves you about 59% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 14 weeks before departure.

Which cabin class options are there for flights between St. Louis and Chicago O'Hare Intl Airport?

There are 2 cabin class options for the route. These are First and Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

How many flights are there between St. Louis and Chicago O'Hare Intl Airport per day?

What’s the earliest departure time from St. Louis to Chicago?

Early birds can take the earliest flight from St. Louis at 05:00 and will be landing in Chicago O'Hare Intl Airport at 06:30.

What’s the latest departure time from St. Louis to Chicago?

If you prefer to fly at night, the latest flight from St. Louis to Chicago O'Hare Intl Airport jets off at 20:05 and lands at 21:30.

Good to know - Cheap tickets from St. Louis to Chicago

When to book flights from St. Louis to O'Hare Intl

FAQs for booking St. Louis to Chicago flights

Which airlines offer Wi-Fi service onboard planes from St. Louis to Chicago?

American Airlines, Delta, Lufthansa, Alaska Airlines, and United Airlines offer inflight Wi-Fi service on the St. Louis to Chicago flight route.

Which aircraft models fly most regularly from St. Louis to Chicago?

The Airbus A319 is the aircraft model that flies most regularly on the St. Louis to Chicago flight route.

Which airline alliances offer flights from St. Louis to Chicago?

oneworld, and Star Alliance are the airline alliances operating flights between St. Louis and Chicago, with Star Alliance being the most commonly used for this route.

On which days can I fly direct from St. Louis to Chicago?

There are direct flights from St. Louis to Chicago on a daily basis.

How does KAYAK find such low prices on flights from St. Louis to Chicago?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from St. Louis to Chicago.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from St. Louis to Chicago?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago from St. Louis is likely to change within 7 days, so travellers know whether to wait or book now.

What is the Hacker Fare option on flights from St. Louis to Chicago?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Chicago with an airline and back to St. Louis with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from St. Louis to Chicago?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Chicago from St. Louis up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from St. Louis to Chicago O'Hare Intl Airport

Prefer to fly direct from St. Louis to Chicago?

Everything you need to know for your flight from St. Louis to O'Hare Intl

Information on your arrival and departure airports

Cabin class types available on flights to O'Hare Intl

Complete your trip to Chicago with a hotel stay or car hire

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