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Cheap flights from Champaign to St Louis (CMI - STL)

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How to find the cheapest flight from
Champaign (CMI) to St Louis (STL)

How far in advance should I book a flight from Champaign to St Louis?

Users have found that booking a flight from Champaign to St Louis at least 31 days early can save you up to 96% on average compared to booking a flight this week. If booking 31 days before your flight isn’t an option for you, users have found flights from Champaign to St Louis for as little as $374 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $553 for flights departing within the next 3 days.

What is the cheapest month to fly from Champaign to St Louis?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, August can be a great choice for travel to St Louis. Flights to St Louis from Champaign in August are about $266 on average during August, but can be found for as low as $158.

When is the cheapest time to fly from Champaign to St Louis (CMI - STL)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Champaign to St Louis as you normally would.

Related info for your journey

Useful info, stats and facts about Champaign to St Louis flights.

Flight FAQs

From Champaign to St Louis

Are flight prices decreasing from Champaign to St Louis due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Champaign and St Louis for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Does it rain more in Champaign or St Louis?

Champaign will have less rainfall in 2 compared to St Louis over the next 13 days.

Is Champaign weather warmer or cooler than St Louis?

Temperatures around the 90 °F's can be experienced in July. The weather in St Louis is hotter than in Champaign. Plan for potential changes in flight availability as peak weather approaches in this location.

Alternative routes for Champaign to St Louis

Destination information for St Louis

Things to know before you go. Useful info for your trip from Champaign to St Louis
Average temperature for November in St Louis
57.2 °F
Avg rainfall for November in St Louis
3.4 ″

Airports servicing Champaign

Airports servicing St. Louis

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