Flights London → Chicago — September 22, 2026

One way · Economy · 1 adult · price per person

The cheapest itinerary observed for Tuesday, September 22, 2026 on the London–Chicago route: 2 stops itinerary (3 flights) via Barcelona (BCN) and Lisbon (LIS), from London Stansted (STN) to Chicago O'Hare (ORD), first flight Ryanair FR9014, departs 3:10 PM, arrives 4:00 PM the next day, total travel time 30h 50m including layovers, flight time 13h 35m (layovers excluded), $506 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 7, 2026 and read by AirSource on September 10, 2026, 19:03 UTC: it is not guaranteed and is confirmed on Aviasales at booking time. The cheapest direct flight observed: United Airlines UA9085, from London Heathrow (LHR) to Chicago O'Hare (ORD), departs 11:05 AM, arrives 2:10 PM, direct, 9h 5m, $931 per person. Fare as listed by Aviasales: carry-on bag not included (personal item only), checked bag not included, changes not allowed, non-refundable.