ORD to LHR: Chicago to London

United's primary transatlantic route from Chicago. Multiple daily departures make rebooking easy. BA and AA operate as oneworld codeshares — earning miles on either carrier.

Route Details

Origin: O'Hare International (ORD)
Destination: Heathrow (LHR)
Typical duration: 8h 25m – 9h 0m
Distance: 3,942 mi / 6,344 km
Airlines: British Airways, American Airlines, United Airlines, Virgin Atlantic
Aircraft: Boeing 787-9, Boeing 777-200ER, Boeing 767-300ER

Best Seats

United 767-300ER: 2-3-2 economy — avoid middle 3. United 787-9: 2-4-2 — avoid center 4. United Polaris business class on 787 is the best product on this route.

Baggage Tips

BA Hand Baggage Only fares include no bags at all. United/AA credit cards give first checked bag free on domestic connections to this international flight.