Flight INFO & Aer Lingus(EI) flights from Chicago to London
| Cheapest one-way flight price | US$281 |
|---|---|
| Cheapest return ticket price | US$703 |
| Cheapest month | October |
| Peak season for travel | January |
| Flight distance | 6,354.37 km |
| Average flight time | 8 hours 1 minute |
| Popular airline | British Airways |
| Frequency | ～62/week |
Book Aer Lingus(EI) flights from Chicago to London
- One way
- Round-trip
ORD15:5512h 40m1 stopsLTN10:35Chicago - London|Fri, Nov 6|Aer LingusUS$297US$61752% offSearch52% offUS$617US$297- ORD15:5512h 25m1 stopsSTN10:20Chicago - London|Fri, Nov 6|Aer LingusUS$297US$61752% offSearch52% offUS$617US$297
- ORD15:5520h 25m1 stopsLGW18:20Chicago - London|Fri, Nov 6|Aer LingusUS$302US$61751% offSearch51% offUS$617US$302
- ORD20:0513h 30m1 stopsLHR15:35Chicago - London|Fri, Nov 6|Aer LingusUS$339SearchUS$339
- ORD15:4514h 35m1 stopsLGW12:20Chicago - London|Fri, Oct 23|Aer LingusUS$347SearchUS$347
- ORD15:4524h 35m1 stopsSTN22:20Chicago - London|Fri, Oct 23|Aer LingusUS$347SearchUS$347
- ORD15:5511h 20m1 stopsLGW09:15Chicago - London|Thu, Nov 5|Aer LingusUS$348SearchUS$348
- ORD20:0515h 55m1 stopsLTN18:00Chicago - London|Thu, Nov 5|Aer LingusUS$348SearchUS$348
- ORD15:4511h 30m1 stopsLTN09:15Chicago - London|Fri, Oct 23|Aer LingusUS$349SearchUS$349
- ORD20:0512h1 stopsSTN14:05Chicago - London|Thu, Nov 5|Aer LingusUS$352SearchUS$352
- ORD15:5512h 15m1 stopsLHR10:10Chicago - London|Thu, Nov 12|Aer LingusUS$386SearchUS$386
- ORD15:5521h 55m1 stopsLHR19:50Chicago - London|Thu, Nov 5|Aer LingusUS$389SearchUS$389
- ORD16:5521h1 stopsLGW18:55Chicago - London|Sat, Oct 31|Aer LingusUS$390SearchUS$390
- ORD21:0530h 15m1 stopsLGW08:20Chicago - London|Wed, Oct 28|Aer LingusUS$391SearchUS$391
- ORD21:0519h 50m1 stopsSTN21:55Chicago - London|Thu, Oct 29|Aer LingusUS$391SearchUS$391
- ORD21:0521h 15m1 stopsSTN23:20Chicago - London|Sat, Oct 31|Aer LingusUS$391SearchUS$391
- ORD21:0010h 55m1 stopsLHR13:55Chicago - London|Fri, Oct 23|Aer LingusUS$394SearchUS$394
- ORD21:0515h 15m1 stopsLTN17:20Chicago - London|Sat, Oct 31|Aer LingusUS$394SearchUS$394
- ORD16:5524h 50m1 stopsSTN22:45Chicago - London|Wed, Oct 28|Aer LingusUS$396SearchUS$396
- ORD16:5511h 20m1 stopsLGW09:15Chicago - London|Thu, Oct 29|Aer LingusUS$397SearchUS$397
- ORD16:5511h 15m1 stopsLTN09:10Chicago - London|Wed, Oct 28|Aer LingusUS$402SearchUS$402
- ORD15:5510h 10m1 stopsLHR08:05Chicago - London|Wed, Nov 11|Aer LingusUS$404SearchUS$404
- ORD21:0519h1 stopsLHR21:05Chicago - London|Thu, Oct 29|Aer LingusUS$414SearchUS$414
- ORD16:5523h 10m1 stopsLHR21:05Chicago - London|Sat, Oct 31|Aer LingusUS$414SearchUS$414
- ORD15:5510h 10m1 stopsLHR08:05Chicago - London|Wed, Nov 4|Aer LingusUS$418SearchUS$418
- ORD20:0514h 45m1 stopsLHR16:50Chicago - London|Fri, Nov 13|Aer LingusUS$419SearchUS$419
- ORD16:5512h 50m1 stopsLTN10:45Chicago - London|Thu, Oct 29|Aer LingusUS$420SearchUS$420
- ORD21:0530h1 stopsLHR08:05Chicago - London|Wed, Oct 28|Aer LingusUS$421SearchUS$421
- ORD15:5515h 30m1 stopsLHR13:25Chicago - London|Sat, Nov 7|Aer LingusUS$423SearchUS$423
- ORD15:5511h 10m1 stopsLHR09:05Chicago - London|Tue, Nov 10|Aer LingusUS$438SearchUS$438
CHI13:0011h 10mNonstopLON14:00Chicago - London|Mon, Sep 6|Normal AirlineMore cheap flightsMore cheap flights
Aer Lingus(EI) flights from Chicago to London & Flight Schedule
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EI122
Aer Lingus
15:55
ORD
05:15
DUB
S M T W T F SSearch -
EI154
Aer Lingus
07:30
DUB
09:05
LHR
S M T W T F SSearch -
EI122
Aer Lingus
15:55
ORD
05:15
DUB
S M T W T F SSearch -
FR342
Ryanair
13:10
DUB
14:25
LTN
S M T W T F -Search -
EI122
Aer Lingus
15:55
ORD
05:15
DUB
S M T W T F SSearch -
FR116
Ryanair
19:35
DUB
21:05
LGW
S M T W T F SSearch -
EI122
Aer Lingus
15:55
ORD
05:15
DUB
S M T W T F SSearch -
FR120
Ryanair
15:30
DUB
17:00
LGW
S M T W T F SSearch -
EI122
Aer Lingus
15:55
ORD
05:15
DUB
S M T W T F SSearch -
FR202
Ryanair
13:00
DUB
14:20
STN
S M T W T F SSearch -
EI122
Aer Lingus
15:55
ORD
05:15
DUB
S M T W T F SSearch -
FR255
Ryanair
11:15
DUB
12:35
STN
S - T - T - SSearch -
EI122
Aer Lingus
15:55
ORD
05:15
DUB
S M T W T F SSearch -
EI156
Aer Lingus
08:40
DUB
10:20
LHR
S M T W T F SSearch -
EI124
Aer Lingus
21:00
ORD
10:30
DUB
S M T W T F SSearch -
EI166
Aer Lingus
13:30
DUB
15:00
LHR
S M T W T F SSearch -
EI124
Aer Lingus
21:00
ORD
10:30
DUB
S M T W T F SSearch -
EI168
Aer Lingus
14:30
DUB
16:00
LHR
S M T W T F SSearch -
EI124
Aer Lingus
21:00
ORD
10:30
DUB
S M T W T F SSearch -
FR337
Ryanair
15:15
DUB
16:30
LTN
S M T W T F SSearch
Aer Lingus(EI) flights from Chicago to London Flight Booking FAQ
-
Which airlines offer direct flights from Chicago to London?
At the moment, you can catch a nonstop flight from Chicago to London with the following airlines, including: British Airways Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days. -
How long is a flight from Chicago to London?
It takes about 8 hours 1 minute to fly from Chicago to London. -
When is the best time to book flights from Chicago to London?
By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Chicago to London is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals. -
How many flights are there per week from Chicago to London?
Based on Trip.com data in the past 4 weeks, there is 54 flight per week flying from Chicago to London. You can check the weekly schedule for popular airlines on this route below: British Airways: S/M/T/W/T/F/S -- BA1543 (18:57) -
When are flight tickets from Chicago (CHI) to London (LON) the cheapest?
The cheapest months to fly from Chicago to London is October, when demand for travel is lower. -
Which upcoming date is cheapest to fly from Chicago to London on?
After crunching the numbers on our October flight calendar, it's currently cheapest to fly from Chicago to London on October 21, 2026 with Allegiant Air, with prices starting at US$288. -
Which airports fly into London from Chicago?
You can land at any one of the following hubs in London: London City Airport (LCY), London Gatwick Airport (LGW), Heathrow Airport (LHR), London Luton Airport (LTN), London Southend Airport (SEN), and London Stansted Airport (STN). Flying from O'Hare International Airport to Heathrow Airport (ORD-LHR) is by far the most common option on this route. -
Is there any time difference between Chicago and London?
The time difference between London and Chicago is 6h. -
How do I change or cancel my ticket from Chicago to London?
Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.
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