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	Shop	Baggage	Price
London Chicago	Outbound 08/09/25 1 Stopover (DUB) EI0153, EI0123 11h 10min	Return 18/09/25 1 Stopover (DUB) EI0122, EI0154 11h 20min	Aer Lingus Irish Airlines			£342
London Chicago	Outbound 08/12/25 1 Stopover (DUB) EI8360, EI0123 13h 10min	Return 24/12/25 2 Stopovers (AMS, LUX) KL0612, KL1709, LG4595 16h 25min	Aer Lingus Irish Airlines		?	£3,147

Important flight information

Flight information: London - Chicago

Cheapest outbound flight from	297,99 £
Outbound and return from	348,99 £
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 303 £
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 £

Flights from London to Chicago with Aer Lingus Irish Airlines

Our cheapest offers for flights from London to Chicago

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

Chicago IL all Airports (ORD, MDW, RFD)

Aer Lingus Irish Airlines

Important flight information

Flight information: London - Chicago

Alternative routes to United States

Flight destinations with a similar price