Our cheapest offers for flights from London to Chicago

Here you can compare cheap flights from London (LON) to Chicago (CHI) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Chicago. Prices and availability may change at any time.

	Outbound	Return	Airlines	Baggage	Price
London Chicago	Outbound 26/11/25 2 Stopovers (ZRH, YUL) AC6818, AC6821, AC3109 15h 45min	Return 09/12/25 1 Stopover (YUL) AC0522, AC0864 12h 20min	Air Canada	?	£403
London Chicago	Outbound 29/11/25 1 Stopover (YYZ) AC0859, AC0505 25h 01min	Return 12/12/25 1 Stopover (YUL) AC8958, AC0864 17h 55min	Air Canada		£447
London Chicago	Outbound 08/12/25 1 Stopover (YYZ) AC0855, AC0509 14h 20min	Return 24/12/25 direct LH9349 08h 05min	Air Canada	?	£452

Important flight information

Flight information: London - Chicago

Cheapest outbound flight from	£297.99
Outbound and return from	£341.42
Flight duration	min. 08:45 / max. 09:15
Return flight duration	min. 07:35/ max. 08:00
Distance	6358 km
Flights per week	58
Departure airport	Airport London (LCY, LGW, LHR, LTN, STN, SEN) (LON)
Arrival airport	Airport Chicago IL all Airports (ORD, MDW, RFD) (CHI)
Destination country	Flights to United States

Alternative routes to United States

Flight London - New York from £213
Flight London - Los Angeles from £231
Flight London - San Francisco from £355
Flight London - Miami from £298
Flight London - Orlando from £251
Flight London - Las Vegas from £404
Flight London - Boston from £301
Flight London - Seattle-Tacoma from £411
Flight London - Santa Ana, CA from £413
Flight London - Austin from £594

Flight destinations with a similar price

Flight London - Bangkok from £301
Flight London - Lagos from £300
Flight London - Miami from £298
Flight London - Colombo from £313
Flight London - Abu Dhabi from £315
Flight London - Montreal from £285
Flight London - Vancouver from £305
Flight London - Boston from £301
Flight London - Thiruvananthapuram from £283
Flight London - Karachi from £281

Our cheapest offers for flights from London to Chicago

London (LCY, LGW, LHR, LTN, STN, SEN)

Chicago IL all Airports (ORD, MDW, RFD)

Air Canada

Important flight information

Flight information: London - Chicago

Alternative routes to United States

Flight destinations with a similar price