Flights Chicago → London — September 11, 2026

One way · Economy · 1 adult · price per person

The cheapest itinerary observed for Friday, September 11, 2026 on the Chicago–London route: 1 stop itinerary (2 flights) via New York JFK (JFK), from Chicago O'Hare (ORD) to London Gatwick (LGW), first flight American Airlines AA2485, departs 1:35 PM, arrives 6:20 AM 2 days later, total travel time 34h 45m including layovers, flight time 9h 25m (layovers excluded), $539 per person. Fare as listed by Aviasales: carry-on bag not included (personal item only), checked bag not included, changes not allowed, non-refundable. Price found in an Aviasales search on September 8, 2026 and read by AirSource on September 10, 2026, 19:00 UTC: it is not guaranteed and is confirmed on Aviasales at booking time. The cheapest direct flight observed: United Airlines UA920, from Chicago O'Hare (ORD) to London Heathrow (LHR), departs 6:35 PM, arrives 9:00 AM the next day, direct, 8h 25m, $841 per person. Fare as listed by Aviasales: carry-on bag not included (personal item only), checked bag not included, changes allowed for a fee, non-refundable.