Flights London → Chicago — September 12, 2026

One way · Economy · 1 adult · price per person

The cheapest itinerary observed for Saturday, September 12, 2026 on the London–Chicago route: 1 stop itinerary (2 flights) via Orlando International (MCO), from London Gatwick (LGW) to Chicago O'Hare (ORD), first flight Z0 Z0783, departs 2:00 PM, arrives 10:59 PM, total travel time 14h 59m including layovers, flight time 12h 33m (layovers excluded), $585 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 9, 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: American Airlines AA55, from London Heathrow (LHR) to Chicago O'Hare (ORD), departs 12:15 PM, arrives 2:55 PM, direct, 8h 40m, $1,521 per person. Fare as listed by Aviasales: carry-on bag included, checked bag not included, changes not allowed, non-refundable.