Currently, the most affordable month to book a Iberia flight from London Heathrow Airport to Chicago O'Hare Intl Airport in January, with an average price of £601. Conversely, traveling with Iberia from London Heathrow Airport to Chicago O'Hare Intl Airport in July will be the most expensive, with an average cost of £782. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.
January
£481
February
£496
March
£487
April
£499
May
£513
June
£611
July
£626
August
£573
September
£536
October
£520
November
£499
December
£503
CHI Temperature | -5 - 23 °C |
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If weather is an important factor for your trip to Chicago O'Hare Intl Airport, 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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