Flights from London to Chicago with Swiss International Air Lines

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
15/11/25
1 Stopover (ZRH)
LX0345, LX0008
16h 15min
Return
28/11/25
1 Stopover (FRA)
LH0433, LH0910
11h 15min
Swiss International Air Lines
£352
London
Chicago
Outbound
10/09/25
1 Stopover (ZRH)
LX0345, LX3204
12h 55min
Return
20/09/25
direct
UA0920
08h 20min
Swiss International Air Lines
£381
found 3 days ago
London
Chicago
Outbound
08/12/25
1 Stopover (ZRH)
LX0461, LX0008
13h 05min
Return
24/12/25
2 Stopovers (CDG, FRA)
LH9335, LH1041, LH5656
32h 35min
Swiss International Air Lines
£678
Prices based on recent searches, subject to last-minute changes
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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 destinations with a similar price