BA's Club Suite offers private pods with doors, ideal for long-haul comfort.
BA's World Traveller Plus offers extra legroom and upgraded service, ideal for long-haul flights.
Round-trip from | $505 (United Airlines) |
---|---|
One-way from | $232 (lol.travel) |
Popular in | June |
Cheapest in | February |
Average price | $723 |
Good round-trip deal | $639 or less |
Good one-way deal | $434 or less |
Fly from
Fly to
Route
Depart
Return
Price
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 - 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 - LHR
ORDLHR
Chicago O'Hare Intl
Mon 2/9
6:30 pm-7:30 pm
1 stop19h 00m
London Heathrow
Fri 2/20
12:15 pm-5:20 pm
1 stop11h 05m
ChicagoLondon
ORD - LHR
ORDLHR
Chicago O'Hare Intl
Mon 9/29
9:50 am-7:15 am
1 stop15h 25m
London Heathrow
Wed 10/8
8:40 am-8:37 pm
2 stops17h 57m
ChicagoLondon
ORD - LHR
ORDLHR
Chicago O'Hare Intl
Tue 10/14
6:20 pm-11:50 am
1 stop11h 30m
London Heathrow
Tue 10/21
2:10 pm-5:20 pm
Nonstop9h 10m
ChicagoLondon
ORD - LHR
ORDLHR
Chicago O'Hare Intl
Tue 11/18
10:30 am-4:00 pm
2 stops23h 30m
London Heathrow
Mon 11/24
7:05 am-4:45 pm
2 stops15h 40m
ChicagoLondon
ORD - LHR
ORDLHR
Chicago O'Hare Intl
Thu 11/6
3:45 pm-5:55 am
Nonstop8h 10m
London Heathrow
Wed 11/12
9:00 am-4:20 pm
1 stop13h 20m
The price you pay for your flight from Chicago O'Hare Intl Airport to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 28 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Currently, November is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to London Heathrow Airport (average of $661). Flying from Chicago O'Hare Intl Airport to London Heathrow Airport 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.
A simple way to save on the total cost of your ticket is to fly from Chicago O'Hare Intl Airport to London Heathrow Airport in the morning. If you’re flexible enough to do this you can expect to save up to 20% on your trip compared to booking a flight in the afternoon.
Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to London Heathrow Airport flight should consider departing on Wednesday mornings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Reykjavik (KEF) – chosen by Cheapflights users on 88% of 1-stop itineraries from Chicago O'Hare Intl Airport to London Heathrow Airport on Cheapflights.
Flights via Dublin (DUB) have the shortest average one-way travel time for 1-stop routes: 10h 10m.
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.
Crew
Overall
Entertainment
Comfort
Food
Boarding
Reviews
Anonymous,May 2025
FRA - DFW
Crew
Overall
Entertainment
Comfort
Food
Boarding
Reviews
Anonymous,May 2025
FRA - DFW
Crew
Overall
Entertainment
Comfort
Food
Boarding
Reviews
Anonymous,May 2025
FRA - DFW
Crew
Overall
Entertainment
Comfort
Food
Boarding
Reviews
Anonymous,May 2025
FRA - DFW
Crew
Overall
Entertainment
Comfort
Food
Boarding
Reviews
Anonymous,May 2025
FRA - DFW
Crew
Overall
Entertainment
Comfort
Food
Boarding
Reviews
Anonymous,May 2025
FRA - DFW
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$51 | Average$632 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$257 | Average$626 | FlexibilityNo cancel fee | On-time79% | |
Cheapest$338 | Average$597 | FlexibilityNo cancel fee | On-time77% | |
Cheapest$345 | Average$760 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$430 | Average$920 | FlexibilityNo cancel fee | On-time76% | |
Cheapest$472 | Average$597 | FlexibilityNo cancel fee | On-time76% | |
Cheapest$554 | Average$759 | FlexibilityNo cancel fee | On-time76% | |
Cheapest$554 | Average$804 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$562 | Average$824 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$567 | Average$764 | FlexibilityNo cancel fee | On-time70% |