Flights from Chicago to London
Nonstop flights from Chicago (ORD) to London (LHR) take about 8h 26m. United Airlines, American Airlines and British Airways fly it. Lowest fare seen: $321 one-way, nonstop (8 Oct 2026).
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Chicago → London flights
Fares seen from $321 one-way (8 Oct 2026). Live prices for your dates on the booking site.
Route snapshot: Chicago to London
Chicago (ORD) to London (LHR) is 6,344 km, about 8h 26m flying nonstop. Airlines with flights or nonstop fares on this route include United Airlines, American Airlines and British Airways. The lowest one-way fare seen recently was $321 with United Airlines (nonstop), departing 5 Jan 2027 — as of 8 Oct 2026.
Check fares, see which airlines fly this route, and sort out airports, visas, and what to do at the destination — all before you book.
When you land in London
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Getting out of London (LHR)
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Tours, tickets & day trips
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Why travelers watch this route
Fares seen
The lowest one-way fare seen was $321 with United Airlines (nonstop), departing 5 Jan 2027; with connections it dropped to $302. Checked 8 Oct 2026 — fares move daily.
Seasonality
London has year-round travel demand, so fare differences often depend more on booking window and airline competition than on one single peak season.
Who flies it
Airlines with flights or nonstop fares here include United Airlines, American Airlines and British Airways. More carriers may sell it with a connection.
Airlines flying Chicago to London
Carriers on ORD–LHR according to our route data and nonstop fares seen as of 8 Oct 2026. Not a complete list.
Best time to fly to London
Based on weather and travel conditions in UK
UK is a great destination year-round. Check local weather patterns before booking and consider shoulder seasons for lower prices and fewer crowds.
Direct & Connecting Flights
Nonstop flights link Chicago (ORD) and London (LHR), taking about 8h 26m. Connecting itineraries can be cheaper but take longer.
Fares & Price Guide
The lowest one-way fare seen on ORD–LHR was $321 USD (nonstop) as of 8 Oct 2026. Set a fare alert to be told when it drops.
About London, UK
Flights arrive at London Heathrow Airport (LHR). See the destination guide for hotels, visa requirements and travel tips.
Plan this route beyond the fare
Use the wider AirConnect network to move from a route check into airports, airlines, visa, and trip planning.
Search ORD → LHR
See current Chicago to London fares on Trip.com.
Airport Guides
Check terminals, transport and arrival details for ORD and LHR.
Airline Route Maps
Explore the networks of airlines flying from Chicago and London.
London Planning
Turn this flight route into a full trip with destination, hotel and activity planning.
Price Alerts
Track fare drops on ORD–LHR and related city pairs.
Visa Guides
Check entry rules before booking flights from Chicago to UK.
Explore related route clusters
More routes in this part of the world.
Frequently asked questions — Chicago to London flights
How long is the flight from Chicago to London?
How far is Chicago from London by air?
Which airlines fly from Chicago to London?
How much does a flight from Chicago to London cost?
Do I need a visa to travel from Chicago to UK?
What is the best time to visit London?
Sources: fares from Travelpayouts flight-search data, seen 8 Oct 2026; airlines from each carrier's published network and nonstop fares on sale; distance from OurAirports coordinates; flight time estimated from distance. Fares change daily.
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