When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 61 days in advance, which can save you up to 32% on flights from Prestwick to Chicago compared to booking the week you need them. Waiting 61 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £379. For sooner than that we have options available in the next 3 days from £457.
Our data shows that October tends to be the cheapest month to fly to Chicago from Prestwick. Users have commonly found prices around £354 for the month, but tickets can be as low as £248. Due to multiple factors, prepare for potentially higher prices in July.
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 Prestwick and Chicago 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.
Expect the weather to be around 29 °C on average in July. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in Chicago is generally hotter than in Prestwick.