Flights from Chicago to London-Heathrow

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Outbound flight: 03/04/21
15:55 CHI
11:25 LHR
Chicago-IL all Airports (ORD, MDW, RFD)
London Heathrow
1 Stopover
TAP Air Portugal
$145
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Outbound flight: 05/05/21
18:10 CHI
22:00 LHR
Chicago-IL all Airports (ORD, MDW, RFD)
London Heathrow
1 Stopover
TAP Air Portugal
$145
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Outbound flight: 04/26/21
18:10 CHI
12:45 LHR
Chicago-IL all Airports (ORD, MDW, RFD)
London Heathrow
1 Stopover
TAP Air Portugal
$146
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Outbound flight: 03/09/21
15:55 CHI
17:30 LHR
Chicago-IL all Airports (ORD, MDW, RFD)
London Heathrow
1 Stopover
TAP Air Portugal
$151
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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: 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: 05/12/21
18:10 CHI
18:50 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
Check
Outbound flight: 04/25/21
18:10 CHI
12:45 LHR
Chicago-IL all Airports (ORD, MDW, RFD)
London Heathrow
1 Stopover
TAP Air Portugal
$189
Check
Outbound flight: 02/26/21
15:55 CHI
11:25 LHR
Chicago-IL all Airports (ORD, MDW, RFD)
London Heathrow
1 Stopover
TAP Air Portugal
$189
Check
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
The most popular airline for flights from Chicago to London Heathrow is Finnair.
Finnair
11 %
Iberia
8 %
American Airlines
7 %
Tip: book 6 weeks before departure
Our tip: book flights on this route 6 weeks before departure and save up to 28 %.
45 days before departure
Stopover flights are the cheapest connection
Compared to flights with a stopover, direct flights are $22.00 more expensive on this route.
non stop flight
1 stop
2 stops
07h 40min
11h 20min
15h 24min
$532
$510
$847
The favorite connection is non-stop
Direct flights are especially popular on this route. 47 % of travelers will book 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.