Flights from Chicago to London-Heathrow

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Outbound flight: 03/09/21
15:55 CHI
21:35 LHR
Chicago-IL all Airports (ORD, MDW, RFD)
London Heathrow
1 Stopover
TAP Air Portugal
$184
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Outbound flight: 02/12/21
15:55 CHI
17:30 LHR
Chicago-IL all Airports (ORD, MDW, RFD)
London Heathrow
1 Stopover
TAP Air Portugal
$185
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Outbound flight: 03/31/21
18:10 CHI
12:45 LHR
Chicago-IL all Airports (ORD, MDW, RFD)
London Heathrow
1 Stopover
TAP Air Portugal
$187
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Outbound flight: 11/19/20
16:00 CHI
21:35 LHR
Chicago-IL all Airports (ORD, MDW, RFD)
London Heathrow
1 Stopover
TAP Air Portugal
$188
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Outbound flight: 02/25/21
15:55 CHI
11:25 LHR
Chicago-IL all Airports (ORD, MDW, RFD)
London Heathrow
1 Stopover
TAP Air Portugal
$188
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Outbound flight: 03/07/21
15:55 CHI
12:40 LHR
Chicago-IL all Airports (ORD, MDW, RFD)
London Heathrow
1 Stopover
TAP Air Portugal
$188
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Outbound flight: 02/18/21
15:55 CHI
11:25 LHR
Chicago-IL all Airports (ORD, MDW, RFD)
London Heathrow
1 Stopover
TAP Air Portugal
$189
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Outbound flight: 01/14/21
15:55 CHI
11:25 LHR
Chicago-IL all Airports (ORD, MDW, RFD)
London Heathrow
1 Stopover
TAP Air Portugal
$192
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Outbound flight: 01/09/21
22:25 CHI
17:30 LHR
Chicago-IL all Airports (ORD, MDW, RFD)
London Heathrow
3 Stopovers
Spirit Airlines, TAP Air Portugal
$226
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Outbound flight: 10/20/20
18:10 CHI
12:45 LHR
Chicago-IL all Airports (ORD, MDW, RFD)
London Heathrow
1 Stopover
TAP Air Portugal
$251
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Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Chicago to London-Heathrow

Favorite airline: Finnair
26 % of travelers choose to book flights on this route with Finnair, Iberia and American Airlines.
Finnair
11 %
Iberia
8 %
American Airlines
7 %
Tip: book 6 weeks before departure
The best time to buy tickets is 6 weeks before the flight. Pay only $455.00.
45 days before departure
Stopover flights are the cheapest connection
Flights with a stopover are on average $22.00 cheaper than direct flights.
non stop flight
1 stop
2 stops
07h 40min
11h 20min
15h 24min
$532
$510
$847
The favorite connection is non-stop
Flights from Chicago to London Heathrow are most often booked as a direct flight.
Route
bookings
Direct flights
07h 40min, from $532
47 %
1 stopover Reykjavik-Keflavik International
10h 15min, from $530
9 %
1 stopover New York - John F. Kennedy International Airport, NY
10h 25min, from $510
7 %
Flight information Chicago - London Heathrow
Alternative flight routes
Cheap direct flights
Flight details Chicago - London Heathrow
  • Flight duration: min. 07:35 / max. 08:00
  • Distance: 6341 km
  • Flights per week: 55
  • Return flight duration: min. 08:45 / max. 09:15
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* Prices may vary, please check the travel details given by the online travel agency before booking. Prices include taxes.