Find flights
When to book
FAQs

Cheap flights from Chicago O'Hare Intl Airport to St. Louis

ORD — STL
10 Dec — 17 Dec1
1 adult

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

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to St. Louis (STL). 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 5 December 2024.

Round-trip from

£567

Popular in

June

Cheapest in

September

Average price

£226
From Chicago O'Hare Intl to Lambert-St Louis
High demand for flights, 17% potential price rise
Best time to find cheap flights, 22% potential price drop
Average for round-trip flights in December 2024

Travel insights for flights from O'Hare Intl to St. Louis

Get recent, data-driven insights about flights from O'Hare Intl to St. Louis including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a return flight from O'Hare Intl to St. Louis. Price data was last updated on 22 November 2024.

Booking 88 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago O'Hare Intl Airport to St. Louis. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, March is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to St. Louis (average of £719). Flying from Chicago O'Hare Intl Airport to St. Louis in July is currently the most expensive (average of £966). 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 ORD to STL?

Find hourly flight availability from O'Hare Intl to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 5 December 2024.

Unlike at midday, when flights are generally more expensive, you can save up to 54% on flights from Chicago O'Hare Intl Airport to St. Louis by exploring options for tickets in the afternoon.

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

Explore weekly flight availability from O'Hare Intl to St. Louis. 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 5 December 2024.

The most flights from ORD to STL are scheduled on a Wednesday (55 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (29 on average).

Rainfall in St. Louis by month

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

In terms of precipitation, rainfall in St. Louis ranges from 56.0 - 119.0 inches per month. May is typically the wettest month, when rainfall can reach 119.0 mm. February is typically the driest time to visit St. Louis when rainfall is around 56.0 mm.

Temperature in St. Louis by month

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

If weather is an important factor for your trip to St. Louis, 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 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 0.0 C).

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to St. Louis. 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 into for flights to St. Louis from Chicago O'Hare Intl?

    Located just 12.7 mi from the city center, Lambert-St Louis is the airport most travelers will use when flying to St. Louis from Chicago O'Hare Intl. Booking flights from Chicago O'Hare Intl to Lambert-St Louis (STL) should be relatively easy as there are 36 daily inbound flights from Chicago O'Hare Intl from 2 different airlines.

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

    The top 3 most reliable airlines when flying from Chicago O'Hare Intl Airport to St. Louis are Republic Airways (96%), Envoy Air (94%) and Alaska Airlines (91%).

  • Can I find deals for flights from O'Hare Intl to St. Louis that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from O'Hare Intl to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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

    Currently, March is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to St. Louis (average of £719). Flying from Chicago O'Hare Intl Airport to St. Louis in July is currently the most expensive (average of £966). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from O'Hare Intl to St. Louis

Discover the top 2 airlines that operate flights from O'Hare Intl to St. Louis. 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 923,692 searches. Data last updated 5 December 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest£92Average£138FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest£235Average£335FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from O'Hare Intl to St. Louis?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to St. Louis from O'Hare Intl today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from O'Hare Intl to St. Louis?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from O'Hare Intl to St. Louis for you. Better yet — we are completely free to use.

Can Cheapflights find flights from O'Hare Intl to St. Louis with no change fees?

Yes! Cheapflights helps users easily find flights from O'Hare Intl to St. Louis with no change fees.

Can Cheapflights notify me if prices for flights from O'Hare Intl to St. Louis become cheaper?

Not ready to book yet? You can track prices for flights from O'Hare Intl to St. Louis on Cheapflights with our Price Alert feature and get notified when better prices are available.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.