Flights Chicago → London

One way · Economy · 1 adult · price per person · next 14 days from September 10, 2026

Last observed price on Aviasales for 9 of 15 dates; the lowest is $334. Prices are not guaranteed and are confirmed at booking time.

Last observed price by date

Date	Last observed price	Flight	Departure	Arrival	Stops
Thu, Sep 10	—	—	—	—	—
Fri, Sep 11	$539	American Airlines AA2485 (1st of 2 flights)	1:35 PM O'Hare (ORD)	6:20 AM (+2) Gatwick (LGW)	1 stop · New York JFK
Sat, Sep 12	$457	JetBlue B6112 (1st of 2 flights)	9:38 AM O'Hare (ORD)	6:30 AM (+1) Heathrow (LHR)	1 stop · Boston Logan
Sun, Sep 13	$568	Southwest Airlines WN3183 (1st of 2 flights)	5:25 AM Midway (MDW)	Gatwick (LGW)	1 stop
Mon, Sep 14	$549	Frontier Airlines F91596 (1st of 3 flights)	10:26 AM O'Hare (ORD)	9:25 PM (+1) Heathrow (LHR)	2 stops · Atlanta Hartsfield-Jackson, Newark Liberty
Tue, Sep 15	$423	JetBlue B6906 (1st of 2 flights)	7:05 AM O'Hare (ORD)	8:45 PM (+1) Heathrow (LHR)	1 stop · New York JFK
Wed, Sep 16	$409	JetBlue B61006 (1st of 2 flights)	10:59 AM O'Hare (ORD)	9:30 AM (+1) Heathrow (LHR)	1 stop · New York JFK
Thu, Sep 17	$412	JetBlue B61006 (1st of 2 flights)	10:59 AM O'Hare (ORD)	8:45 PM (+1) Heathrow (LHR)	1 stop · New York JFK
Fri, Sep 18	—	—	—	—	—
Sat, Sep 19	—	—	—	—	—
Sun, Sep 20	—	—	—	—	—
Mon, Sep 21	$370	JetBlue B61006 (1st of 2 flights)	10:59 AM O'Hare (ORD)	8:45 PM (+1) Heathrow (LHR)	1 stop · New York JFK
Tue, Sep 22	$334lowest	Icelandair FI852 (1st of 3 flights)	7:25 PM O'Hare (ORD)	12:10 AM (+2) Stansted (STN)	2 stops · Reykjavik, Copenhagen
Wed, Sep 23	—	—	—	—	—
Thu, Sep 24	—	—	—	—	—

Price not guaranteed: it is confirmed on Aviasales at booking time. How it works

Chicago, United States (CHI, city code)

Chicago O'Hare (ORD), Chicago Midway (MDW).

London, United Kingdom (LON, city code)

London Heathrow (LHR), London City (LCY), London Gatwick (LGW), London Luton (LTN), London Southend (SEN), London Stansted (STN).

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