Currently, the most affordable month to book a British Airways flight from London Heathrow Airport to Chicago in January, with an average price of £601. Conversely, traveling with British Airways from London Heathrow Airport to Chicago in July will be the most expensive, with an average cost of £775. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.
January
£473
February
£488
March
£479
April
£490
May
£515
June
£593
July
£610
August
£562
September
£526
October
£509
November
£490
December
£494
CHI Temperature | -5 - 23 °C |
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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 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).
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