London to Chicago flights
Heathrow (LHR), United Kingdom → O'Hare International (ORD), United States
$307lowest estimated one way
8h 15mnonstop flight time
6,345 km3,942 miles
Wednesdayusually the cheapest day
Set a price watch there and get an email or notification when the fare drops.
Cheapest dates in the next few weeks
| Tue 8 Dec | $307 |
| Wed 2 Dec | $331 |
| Wed 6 Jan | $338 |
| Sat 12 Dec | $355 |
| Mon 14 Dec | $357 |
One-way economy, estimated by Flight Wiki's fare model; typical day about $440. Prices change often, so check live prices before booking.
Questions
How long is the flight from London to Chicago?
About 8h 15m nonstop. The distance is 6,345 km (3,942 miles). Flights with a stop take longer.
How much is a flight from London to Chicago?
One-way economy fares are estimated between $307 and $665 over the coming weeks, about $440 on a typical day. Check live prices before you book.
What is the cheapest day to fly from London to Chicago?
In our estimates Wednesday is usually the cheapest day. The cheapest dates right now are Tue 8 Dec, Wed 2 Dec, Wed 6 Jan.
Related routes
Chicago to London
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