Round-trip from | £567 |
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Popular in | June |
Cheapest in | September |
Average price | £226 |
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.
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.
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.
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).
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.
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).
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