From

London

To

Chicago

London to Chicago Flights

8h 30m westbound / 8h eastbound~3,949 mi (6,355 km)

Flight times, frequencies, and airlines operating this route change regularly. Always check current schedules and fares directly with airlines or a booking platform.

Route Overview

The London to Chicago route connects two major destinations served by multiple airlines. This is a popular corridor for both leisure and business travelers. Multiple carriers operate this route with varying frequencies depending on the season.

Travel Tips

  • Book in advance for the best fares on the London–Chicago route, especially during peak travel seasons.

  • Check both LHR and nearby airports for competitive pricing.

  • Consider flexible dates — shifting your departure by a day or two can significantly reduce fares.

  • Set fare alerts on Aviasales or Google Flights to track price changes for this route.

  • Carry-on only travel can unlock lower fares on budget carriers operating this corridor.

Getting to/from London

Heathrow Express to Paddington (~15 min). Elizabeth Line to central London (~30 min). Taxis and rideshare available.

Getting to/from Chicago

Blue Line CTA to downtown (~45 min). Metra commuter rail from O'Hare Transfer. Taxis and rideshare available.

Route Facts

Primary Route
LHR → ORD
Flight Time
8h 30m westbound / 8h eastbound
Distance
~3,949 mi (6,355 km)

US Airports

London

LHR

Chicago

Ready to Book?

Search cached fare observations and plan your trip on our flights page.

Search Flights
Last reviewed:
Back to Flights