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 | $520 (Virgin Atlantic) |
---|---|
One-way from | $223 (Mytrip) |
Popular in | June |
Cheapest in | April |
Average price | $1,029 |
Good round-trip deal | $622 or less |
Good one-way deal | $388 or less |
Fly from
Fly to
Route
Depart
Return
Price
ChicagoLondon
ORD - LHR
ORDLHR
Chicago O'Hare Intl
mié. 8/27
10:15 am-6:45 am
1 stop14h 30m
London Heathrow
mié. 9/10
6:15 am-3:00 pm
1 stop14h 45m
ChicagoLondon
ORD - LHR
ORDLHR
Chicago O'Hare Intl
mié. 10/1
2:05 pm-6:45 am
1 stop10h 40m
London Heathrow
mar. 10/21
8:40 am-2:10 pm
1 stop11h 30m
ChicagoLondon
ORD - LHR
ORDLHR
Chicago O'Hare Intl
vie. 10/3
7:25 pm-11:55 am
1 stop10h 30m
London Heathrow
mié. 10/15
1:05 pm-6:15 pm
1 stop11h 10m
ChicagoLondon
ORD - LHR
ORDLHR
Chicago O'Hare Intl
dom. 9/28
4:00 pm-6:20 am
Nonstop8h 20m
London Heathrow
jue. 10/16
8:30 am-11:30 am
Nonstop9h 00m
ChicagoLondon
ORD - LGW
ORDLGW
Chicago O'Hare Intl
lun. 10/27
11:13 am-6:00 am
1 stop13h 47m
London Gatwick
dom. 11/9
1:00 pm-7:13 am
1 stop24h 13m
ChicagoLondon
ORD - LHR
ORDLHR
Chicago O'Hare Intl
mié. 8/6
5:40 pm-7:20 am
Nonstop7h 40m
London Heathrow
mié. 8/13
6:05 pm-3:45 pm
1 stop27h 40m
ChicagoLondon
ORD - LHR
ORDLHR
Chicago O'Hare Intl
lun. 9/29
7:05 pm-1:00 pm
1 stop11h 55m
London Heathrow
mié. 10/15
8:40 am-3:55 pm
1 stop13h 15m
ChicagoLondon
ORD - LHR
ORDLHR
Chicago O'Hare Intl
mié. 8/27
9:29 am-7:45 am
1 stop16h 16m
London Heathrow
mié. 9/10
2:25 pm-5:00 pm
Nonstop8h 35m
ChicagoLondon
ORD - LGW
ORDLGW
Chicago O'Hare Intl
mar. 8/5
10:15 pm-11:45 am
1 stop31h 30m
London Gatwick
mar. 9/30
3:40 pm-6:15 pm
1 stop32h 35m
ChicagoLondon
ORD - LGW
ORDLGW
Chicago O'Hare Intl
mar. 8/26
2:20 pm-5:50 pm
1 stop21h 30m
London Gatwick
lun. 9/1
6:35 pm-3:55 pm
1 stop27h 20m
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 $1,097). 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 17% 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 at noon 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 Monday (57 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (51 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 $494.
Flights via Dublin (DUB) have the shortest average one-way travel time for 1-stop routes: 2h 45m.
Flights via Reykjavik (KEF) offer the fastest connection on this route, with an average layover time of 1h 09m.
Comfort
Boarding
Crew
Entertainment
Food
Overall
Reviews
Kim,May 2025
PIH - SLC
Comfort
Boarding
Crew
Entertainment
Food
Overall
Reviews
Kim,May 2025
PIH - SLC
Comfort
Boarding
Crew
Entertainment
Food
Overall
Reviews
Kim,May 2025
PIH - SLC
Comfort
Boarding
Crew
Entertainment
Food
Overall
Reviews
Kim,May 2025
PIH - SLC
Comfort
Boarding
Crew
Entertainment
Food
Overall
Reviews
Kim,May 2025
PIH - SLC
Comfort
Boarding
Crew
Entertainment
Food
Overall
Reviews
Kim,May 2025
PIH - SLC
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$51 | Average$610 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$257 | Average$723 | FlexibilityNo cancel fee | On-time79% | |
Cheapest$345 | Average$900 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$358 | Average$597 | FlexibilityNo cancel fee | On-time77% | |
Cheapest$430 | Average$917 | FlexibilityNo cancel fee | On-time76% | |
Cheapest$470 | Average$651 | FlexibilityNo cancel fee | On-time76% | |
Cheapest$508 | Average$804 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$552 | Average$804 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$568 | Average$758 | FlexibilityNo cancel fee | On-time76% | |
Cheapest$580 | Average$873 | FlexibilityNo cancel fee | On-time77% |