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

STL — ORD
13 May — 20 May1
1 adult
Mon 13/5
Mon 20/5

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 8 May 2024.

Popular in

March

Cheapest in

January

Average price

£216

Round-trip from

£445
High demand for flights, 21% potential price rise
Best time to find cheap flights, 11% potential price drop
Average for round-trip flights in May 2024
From Lambert-St Louis to Chicago O'Hare Intl

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

Find a great deal and save up to 57% by booking at least 41 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from St. Louis to Chicago O'Hare Intl Airport within the next two weeks, with the cheapest ticket starting at £144.

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

Our data shows that April tends to be the cheapest month to fly to Chicago O'Hare Intl Airport from St. Louis. Users have commonly found prices around £196 for the month, but tickets can be as low as £85. Due to multiple factors, prepare for potentially higher prices in July.

When is the cheapest time to fly from St. Louis to Chicago O'Hare Intl Airport (STL - ORD)?

When flying from St. Louis to Chicago O'Hare Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

When is the best time to book a flight from St. Louis to Chicago O'Hare Intl Airport?

Use this chart to determine the optimal time to book a return flight from St. Louis to O'Hare Intl. Price data was last updated on 3 May 2024.
The best time to book flights from St. Louis to Chicago O'Hare Intl Airport is 64 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
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Average price of flights to O'Hare Intl by month

Plan your trip from St. Louis to O'Hare Intl by taking into account the cheapest months to travel. The average price of a one-way flight from St. Louis to O'Hare Intl is currently £0 while a return flight costs £0. Price data was last updated on 5 May 2024.

Currently, January is the cheapest month in which you can book a flight from St. Louis to Chicago O'Hare Intl Airport (average of £601). Flying from St. Louis to Chicago O'Hare Intl Airport in July is currently the most expensive (average of £782). 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.

January

£481

February

£496

March

£487

April

£498

May

£516

June

£605

July

£626

August

£573

September

£536

October

£518

November

£499

December

£503

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

-5 - 23 °C

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?

    For a flight from St. Louis to Chicago O'Hare Intl, you will be flying from Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city. Lambert-St Louis is the only St. Louis airport and it handles 47 outbound flights to Chicago O'Hare Intl per day. 0 airlines have flights to Chicago O'Hare Intl from Lambert-St Louis on a regular basis.

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

    You can find direct flights on the following days: Sunday, Wednesday, Friday, Saturday.

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

    On average 21 flights depart from St. Louis to Chicago O'Hare Intl Airport per day.
    Morning (6am - Midday) - 76% of flight departures
    Afternoon (Midday - 6pm) - 24% of flight departures

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

    Consider SkyWest Airlines (100%), Copa Airlines (100%) or Air Wisconsin (100%) when booking your flight. These represent the most reliable airlines when flying from St. Louis to Chicago O'Hare Intl Airport.

  • What does STL to ORD mean?

    Great question - STL to ORD just means Lambert-St Louis Airport to Chicago O'Hare Intl Airport. Now you’ll know what these unique codes when you look for flights!

  • 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 holiday 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.

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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.

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 8 May 2024.
18%of flight departuresEarly morningMidnight to 6 am
58%of flight departuresMorning6 am to noon
24%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Midday
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 8 May 2024.
Monday52daily flights
Tuesday41daily flights
Wednesday41daily flights
Thursday50daily flights
Friday52daily flights
Saturday42daily flights
Sunday51daily 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 St. Louis to O'Hare Intl?

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 O'Hare Intl from St. Louis today with Cheapflights!

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

Cheapflights helps you find that perfect flight to O'Hare Intl from St. Louis by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes, we can. To see specific flights from St. Louis to O'Hare Intl with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

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

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