$92 Find Cheap Flights from Chicago O'Hare Airport to St. Louis - Compare and Save

If you want to travel in an eco-friendly way, consider booking your flight with carriers serious about flight sustainability. Delta is vocal about its sustainability pledge to reduce its carbon emissions significantly. The airline is investing in offsetting its carbon, implementing clean air technology, and eliminating single-use plastic items. Keeping sustainable fleets is among its commendable initiatives.

The most convenient and sustainable way to catch your early morning flight, especially if you live far from ORD, is by booking a nearby hotel. Commuting in the morning amid traffic snarl-ups is worth avoiding. O’Hare Inn & Suites, Red Roof Inn Chicago, and Wyndham Chicago O’Hare offer great airport accessibility.

Passengers with limited mobility are considered on this route. For instance, if you book your ticket with Spirit Airlines, remember to make a special arrangement request. The carrier is dedicated to providing accessible, seamless, and comfortable air trips to all its travelers, regardless of their circumstances. The airline has a competent staff to offer meet-and-assist services, wheelchair support, and in-flight services.

Multiple options exist when connecting from Lambert-St Louis (STL) to the city center. A train operates the route from the airport to Stadium Metrolink Station, taking about 35 minutes. Line Bus also operates the route, arriving downtown St. Louis in about 1 hour and 15 minutes. Taxis take about 20 minutes to arrive at the city center.

In the last 5 days, the lowest price for a flight from Chicago O'Hare Intl Airport to St. Louis was $92 for a one-way ticket and $280 for a round-trip.

Even though you are not required to have a passport, keep in mind that an official ID is needed to board the airplane.

American Airlines, and Delta offer inflight Wi-Fi service on the Chicago O'Hare Airport to St. Louis flight route.

The Canadair (Bombardier) Regional Jet CRJ-550 is the aircraft model that flies most regularly on the Chicago O'Hare Airport to St. Louis flight route.

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

There are nonstop flights from Chicago O'Hare Airport to St. Louis on a daily basis.

The two airlines most popular with KAYAK users for flights from Chicago to St. Louis are United Airlines and American Airlines. With an average price for the route of $494 and an overall rating of 7.4, United Airlines is the most popular choice. American Airlines is also a great choice for the route, with an average price of $373 and an overall rating of 7.1.

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 Chicago O'Hare Airport to St. Louis.

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

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to St. Louis with an airline and back to Chicago O'Hare Airport with another airline. Booking your flights between Chicago O'Hare Airport and STL can sometimes prove cheaper using this method.

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 St. Louis from Chicago O'Hare Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.