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CHEAP FLIGHTS TO CHICAGO
From To Airline Travel Dates Priced from  
London Heathrow Chicago 20 Jan 2026 - 27 Jan 2026 £426
London Airports Chicago 03 Dec 2025 - 15 Dec 2025 £426
London Heathrow Chicago 20 Jan 2026 - 27 Jan 2026 £475
London Airports Chicago 03 Dec 2025 - 15 Dec 2025 £490
London Heathrow Chicago 20 Jan 2026 - 27 Jan 2026 £500
London Heathrow Chicago 20 Jan 2026 - 27 Jan 2026 £501
London Airports Chicago 03 Dec 2025 - 15 Dec 2025 £501
London Airports Chicago 03 Dec 2025 - 15 Dec 2025 £504
London Heathrow Chicago 20 Jan 2026 - 27 Jan 2026 £505
London Heathrow Chicago 20 Jan 2026 - 27 Jan 2026 £510
London Heathrow Chicago 20 Jan 2026 - 27 Jan 2026 £510
London Heathrow Chicago 20 Jan 2026 - 27 Jan 2026 £512
London Airports Chicago 03 Dec 2025 - 15 Dec 2025 £514
London Heathrow Chicago 20 Jan 2026 - 27 Jan 2026 £520
London Airports Chicago 19 Apr 2026 - 04 May 2026 £521
London Heathrow Chicago 20 Jan 2026 - 27 Jan 2026 £524
London Airports Chicago 03 Dec 2025 - 15 Dec 2025 £528
London Heathrow Chicago 20 Jan 2026 - 27 Jan 2026 £532
London Heathrow Chicago 20 Jan 2026 - 27 Jan 2026 £532
London Heathrow Chicago 20 Jan 2026 - 27 Jan 2026 £533
London Airports Chicago 03 Dec 2025 - 15 Dec 2025 £534
London Airports Chicago 03 Dec 2025 - 15 Dec 2025 £536
London Airports Chicago 03 Dec 2025 - 15 Dec 2025 £538
London Airports Chicago 03 Dec 2025 - 15 Dec 2025 £542
London Heathrow Chicago 20 Jan 2026 - 27 Jan 2026 £544
London Airports Chicago 03 Dec 2025 - 15 Dec 2025 £544
London Heathrow Chicago 20 Jan 2026 - 27 Jan 2026 £545
London Airports Chicago 19 Apr 2026 - 04 May 2026 £545
London Heathrow Chicago 20 Jan 2026 - 27 Jan 2026 £548
London Airports Chicago 03 Dec 2025 - 15 Dec 2025 £552
London Airports Chicago 03 Dec 2025 - 15 Dec 2025 £552
London Airports Chicago 03 Dec 2025 - 15 Dec 2025 £553
London Airports Chicago 03 Dec 2025 - 15 Dec 2025 £558
London Airports Chicago 03 Dec 2025 - 15 Dec 2025 £558
London Airports Chicago 03 Dec 2025 - 15 Dec 2025 £559
London Airports Chicago 03 Dec 2025 - 15 Dec 2025 £559
London Heathrow Chicago 20 Jan 2026 - 27 Jan 2026 £561
London Airports Chicago 03 Dec 2025 - 15 Dec 2025 £570
London Heathrow Chicago 27 May 2026 - 10 Jun 2026 £589
London Heathrow Chicago 27 May 2026 - 10 Jun 2026 £602
London Heathrow Chicago 27 May 2026 - 10 Jun 2026 £610
London Heathrow Chicago 20 Jan 2026 - 27 Jan 2026 £624
London Airports Chicago 19 Apr 2026 - 04 May 2026 £665
London Heathrow Chicago 27 May 2026 - 10 Jun 2026 £676
London Heathrow Chicago 27 May 2026 - 10 Jun 2026 £722
London Airports Chicago 15 Nov 2025 - 19 Nov 2025 £824
London Airports Chicago 17 Dec 2025 - 04 Jan 2026 £858
London Airports Chicago 17 Dec 2025 - 04 Jan 2026 £896
Flight offers shown above are per person including all taxes; subject to availability and credit card charges. Offers are based on the searches which has been made on our site in the last seven days. Remember to select 'my dates are flexible' in the search engine to find the best deal.
Flights to Chicago, United States
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