Cheap flights from Cheongju (CJJ) to Illinois
Find cheap flights from Cheongju to Illinois with Cheapflights
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Discover tips and strategies to find the most affordable flight options for your journey from Cheongju (CJJ) to Illinois (USIL). 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 November 21, 2024.
Travel insights for flights from Cheongju to Illinois
Get recent, data-driven insights about flights from Cheongju to Illinois including ideal travel times, pricing trends, and more.
What is the cheapest month to book a flight from Cheongju to Illinois?
Currently, September is the cheapest month in which you can book a flight from Cheongju to Illinois (average of $232). Flying from Cheongju to Illinois in June is currently the most expensive (average of $308). 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.
Rainfall in Illinois by month
Plan your trip to Illinois by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.
Temperature in Illinois by month
Plan your trip to Illinois by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Illinois, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).