STL - ORD Price
|
$168 - $263
|
ORD Temperature
|
35.6 - 86 °F
|
ORD Rainfall
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1.5 - 4.8 inches
|
Popular in March High demand for flights, 13% potential price rise |
Cheapest in August Best time to find cheap flights, 27% potential price drop |
Round-trip from $168 From St Louis to Chicago-O'Hare Intl |
One-way from $79 One-way flight from St Louis to Chicago-O'Hare Intl |
It’s generally more expensive to depart on a Sunday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.
When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 20 days in advance, which can save you up to 10% on flights from St Louis to Chicago-O'Hare Intl compared to booking the week you need them. Waiting 20 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $137. For sooner than that we have options available in the next 3 days from $157.
April is one of the best times of the year to fly to Chicago-O'Hare Intl from St Louis. Prices for April average $135 per person but you can even find prices for as low as $33. The most expensive prices can be found in the month of December. Opting for a April flight can save you 49% on your journey compared to booking in April
One of the essential ways to save on airfare from St Louis to Chicago-O'Hare Intl is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 8% on airfare.
Airline | Cheapest | Average | Flexibility | On-time | COVID-19 safety | |
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$73 | $154 | No cancel fee | 63% |
We couldn't confirm the COVID-19 safety measures taken by Cape Air. Please check directly on their website for additional information. |
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$131 | $296 | No cancel fee | 69% | ||
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$147 | $310 | No cancel fee | 71% | ||
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$158 | $399 | No cancel fee | N/A |
Morning 6 AM to noon | 38% of STL to ORD departures |
Afternoon Noon to 6 PM | 38% of STL to ORD departures |
Early morning Midnight to 6 AM | 24% of STL to ORD departures |
Evening 6 PM to midnight | 0% of STL to ORD departures |