Cheap flights from Chicago O'Hare to Saint Louis

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Cheap Chicago O'Hare - Saint Louis flight offers

Find cheap flight tickets and last-minute flight deals from Chicago O'Hare to Saint Louis

United
Sun, 07/26 (ORD) Chicago -> (STL) Saint Louis
Direct
United
Tue, 07/28 (STL) Saint Louis -> (ORD) Chicago
Direct

Price found 15 days ago
from $118
United
Sun, 07/26 (ORD) Chicago -> (STL) Saint Louis
Direct
United
Tue, 07/28 (STL) Saint Louis -> (ORD) Chicago
Direct

Price found 15 days ago
from $118

Info about flights from Chicago O'Hare to Saint Louis

Some useful info about flights from Chicago O'Hare to Saint Louis to help you plan your next trip

Average flight duration 1h 17m
Cheapest month January
Average number of flights per week 5
First flight time 06:40
Last flight time 23:55
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Top airlines on the route Chicago O'Hare - Saint Louis

Airlines providing flights to Saint Louis from Chicago O'Hare

What’s the price of flying from Chicago O'Hare to Saint Louis?

It depends. Prices for flights from Chicago to Saint Louis fluctuate based on several factors.

Choose a date to explore the best fares now.

Checking flights with stopovers can sometimes lead to big savings, especially on longer routes. Also, airfare often depends on availability — it’s wise to track price changes regularly.

Which airports are most convenient between Chicago and Saint Louis?

Whether it’s cost or connection time, the right airport combination can make a difference.

  • Airports in Chicago: There are 3 airports in Chicago - Midway, O'Hare, Rockford.
  • Airports in Saint Louis: Saint Louis - Lambert is the only functioning airport for now.

In some cases, flying into a secondary airport can also reduce transfer costs. Connections from multiple airports give you more flight options and airlines.

Flights from Chicago - O'Hare to Saint Louis - Lambert

Adjust your flight filters for Chicago O'Hare – Saint Louis

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Other popular destinations

Planning a trip to United States? These cities are popular too: Las Vegas, Los Angeles, Miami, New York City, Orlando.

Sorting options let you see the most affordable flights first. Some results may include extra fees shown only at checkout — always read carefully to see what’s included.

Frequently Asked Questions

Frequently asked questions about flights from Chicago O'Hare to Saint Louis.

How much does an airline ticket from Chicago O'Hare to Saint Louis cost?

Flight prices can vary a lot depending on the period and destination. At the moment, this information is not available for flights from Chicago O'Hare to Saint Louis.

How far is Chicago from Saint Louis?

Chicago is about 258 mi from Saint Louis.

What are the airports in Saint Louis?

Saint Louis has one airport: Saint Louis - Lambert.

What are the airports in Chicago?

Chicago has 3 airports: Midway, O'Hare, Rockford.

What are the most popular cities in United States?

The most popular cities in United States according to our users' searches are: Las Vegas, Los Angeles, Miami, New York City, Orlando.

When should I book a flight from Chicago to Saint Louis?

The best time to book a flight from Chicago to Saint Louis is 1 month in advance, while the worst time is 2 weeks in advance.

What is the cheapest month to fly from Chicago to Saint Louis?

The cheapest month to fly from Chicago to Saint Louis is January.

What is the most expensive month to fly from Chicago to Saint Louis?

The most expensive month to fly from Chicago to Saint Louis is March.

What is the best day of the week to fly from Chicago to Saint Louis?

For flights from Chicago to Saint Louis Tuesday is on average the cheapest day to fly, while Monday is the most expensive day to fly.