Currently, the most affordable month to book a United Airlines flight from Washington, D.C. to Chicago in February, with an average price of $244. Conversely, traveling with United Airlines from Washington, D.C. to Chicago in June will be the most expensive, with an average cost of $342. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.
January
$248
February
$244
March
$280
April
$258
May
$278
June
$342
July
$327
August
$274
September
$258
October
$248
November
$270
December
$248
CHI Temperature | 23 - 73.4 °F |
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If weather is an important factor for your trip to Chicago, 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).
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