ORD → LHR
Cheap flights from Chicago (ORD) to London (LHR)
FYAVO compares fares from trusted travel partners for flights from Chicago to London. Pick a date to see live offers, then complete your booking on our partner's website.
Cheapest fares by date
| Date | Departs | Airline | Stops | Duration | Price | |
|---|---|---|---|---|---|---|
| Wed 21 Oct | 12:38 | B6 | 1 | 9h 49m | $295 | See deals |
| Mon 2 Nov | 15:55 | EI | 1 | 8h 50m | $378 | See deals |
| Sun 15 Nov | 20:15 | B6 | 1 | 9h 29m | $305 | See deals |
| Tue 17 Nov | 13:00 | B6 | 1 | 9h 34m | $299 | See deals |
Prices are cached partner fares, updated 21 Oct 2026, 11:15 UTC, and are confirmed on the partner's website.
Questions travellers ask
What is the cheapest flight from Chicago to London?
The cheapest fare we found is $295 one way per adult, departing Wed 21 Oct with B6. Prices change often, so search live prices to confirm.
Are there direct flights from Chicago to London?
Among the fares we found, every flight on this route has at least one stop. Search live prices to see today's options.
How long is the flight from Chicago to London?
The quickest flight we found takes 8h 50m.
Which airlines fly from Chicago to London?
Fares we found are on these airlines (IATA codes): B6, EI.
Does FYAVO charge a booking fee?
No. FYAVO is free: you compare prices here and book directly with the partner, paying the partner's own price.