Flights Chicago → London — September 16, 2026

One way · Economy · 1 adult · price per person

The cheapest itinerary observed for Wednesday, September 16, 2026 on the Chicago–London route: 1 stop itinerary (2 flights) via New York JFK (JFK), from Chicago O'Hare (ORD) to London Heathrow (LHR), first flight JetBlue B61006, departs 10:59 AM, arrives 9:30 AM the next day, total travel time 16h 31m including layovers, flight time 9h 48m (layovers excluded), $409 per person. Fare as listed by Aviasales: carry-on bag included, 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, 19:00 UTC: it is not guaranteed and is confirmed on Aviasales at booking time. The cheapest direct flight observed: American Airlines AA98, from Chicago O'Hare (ORD) to London Heathrow (LHR), departs 10:25 PM, arrives 12:15 PM the next day, direct, 7h 50m, $711 per person. Fare as listed by Aviasales: carry-on bag included, checked bag not included, changes not allowed, non-refundable.