BA's Club Suite offers private pods with doors for enhanced privacy on long-haul flights.
BA's World Traveller Plus offers extra seat width and legroom, ideal for long-haul comfort.
Round-trip from | $505 (United Airlines) |
---|---|
One-way from | $230 (Trip.com) |
Popular in | June |
Cheapest in | February |
Average price | $670 |
Good round-trip deal | $639 or less |
Good one-way deal | $434 or less |
Fly from
Fly to
Route
Depart
Return
Price
ChicagoLondon
ORD - LGW
ORDLGW
Chicago O'Hare Intl
Mon 10/27
7:50 pm-5:50 pm
1 stop17h 00m
London Gatwick
Mon 11/3
6:40 pm-4:20 pm
1 stop27h 40m
ChicagoLondon
ORD - LHR
ORDLHR
Chicago O'Hare Intl
Sun 9/28
4:00 pm-6:20 am
Nonstop8h 20m
London Heathrow
Tue 10/21
6:50 am-12:05 pm
1 stop11h 15m
ChicagoLondon
ORD - LHR
ORDLHR
Chicago O'Hare Intl
Wed 11/12
5:50 pm-7:55 am
Nonstop8h 05m
London Heathrow
Wed 11/19
6:50 am-12:10 pm
1 stop11h 20m
ChicagoLondon
ORD - LTN
ORDLTN
Chicago O'Hare Intl
Wed 12/3
6:30 pm-12:55 pm
1 stop12h 25m
London Luton
Thu 12/11
6:00 am-5:20 pm
1 stop17h 20m
ChicagoLondon
ORD - STN
ORDSTN
Chicago O'Hare Intl
Tue 10/14
10:40 am-12:00 pm
2 stops19h 20m
London Stansted
Tue 10/21
6:20 am-9:51 am
2 stops33h 31m
ChicagoLondon
ORD - LHR
ORDLHR
Chicago O'Hare Intl
Sat 11/1
8:18 pm-9:40 am
1 stop32h 22m
London Heathrow
Mon 11/10
12:05 pm-4:20 pm
1 stop34h 15m
ChicagoLondon
ORD - LHR
ORDLHR
Chicago O'Hare Intl
Sun 9/21
6:00 pm-8:20 am
Nonstop8h 20m
London Heathrow
Tue 9/30
2:05 pm-8:01 am
1 stop23h 56m
ChicagoLondon
ORD - LHR
ORDLHR
Chicago O'Hare Intl
Wed 9/24
4:00 pm-6:20 am
Nonstop8h 20m
London Heathrow
Fri 10/3
2:10 pm-5:20 pm
Nonstop9h 10m
ChicagoLondon
ORD - LGW
ORDLGW
Chicago O'Hare Intl
Tue 12/2
6:30 pm-10:55 am
1 stop10h 25m
London Gatwick
Mon 12/8
11:55 am-5:20 pm
1 stop11h 25m
ChicagoLondon
ORD - LGW
ORDLGW
Chicago O'Hare Intl
Fri 12/5
6:30 pm-10:55 am
1 stop10h 25m
London Gatwick
Wed 12/10
11:55 am-5:20 pm
1 stop11h 25m
The best time to book flights from Chicago O'Hare Intl Airport to London is 17 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, November is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to London (average of $661). Flying from Chicago O'Hare Intl Airport to London in June is currently the most expensive (average of $1,098). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
It’s typically best to fly out from Chicago O'Hare Intl Airport to London in the morning. Doing so could potentially save you 20% on the flight price compared to flying in the afternoon, which is usually more expensive.
Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to London flight should consider departing on Wednesday mornings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from ORD to LON are scheduled on a Tuesday (57 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (52 on average).
Reykjavik (KEF) – chosen by Cheapflights users on 71% of 1-stop itineraries from Chicago O'Hare Intl Airport to London on Cheapflights.
Lisbon (LIS) is the most affordable 1-stop option, with an average round-trip price of $499.
Flights via Dublin (DUB) have the shortest average one-way travel time for 1-stop routes: 10h 10m.
Flights via Reykjavik (KEF) offer the fastest connection on this route, with an average layover time of 1h 10m.
Entertainment
Food
Overall
Comfort
Crew
Boarding
Reviews
Thomas,Mar 2025
SFO - TPE
Entertainment
Food
Overall
Comfort
Crew
Boarding
Reviews
Thomas,Mar 2025
SFO - TPE
Entertainment
Food
Overall
Comfort
Crew
Boarding
Reviews
Thomas,Mar 2025
SFO - TPE
Entertainment
Food
Overall
Comfort
Crew
Boarding
Reviews
Thomas,Mar 2025
SFO - TPE
Entertainment
Food
Overall
Comfort
Crew
Boarding
Reviews
Thomas,Mar 2025
SFO - TPE
Entertainment
Food
Overall
Comfort
Crew
Boarding
Reviews
Thomas,Mar 2025
SFO - TPE
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