Popular in | June |
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Cheapest in | February |
Round-trip from | $450 (Kiwi.com) |
One-way from | $160 (Combigo) |
It’s generally more expensive to depart on a Sunday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.
Find a great deal and save up to 9% by booking at least 60 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Chicago to London within the next two weeks, with the cheapest ticket starting at $701.
February can be a great time to fly to London from Chicago with a flight ticket averaging about $743. Cheapflights users have found deals in the month of February for as cheap as $435. The most expensive prices can be found in the month of June.
A simple way to save on the total cost of your ticket is to fly from Chicago to London in the evening. If you’re flexible enough to do this you can expect to save up to 7% on your trip compared to booking a flight in the afternoon.
Fly from
Fly to
Budget
$450 - $579
Route
Depart
Return
Price
Chicago O'Hare IntlLondon Gatwick
ORD - LGW
ORDLGW
Chicago O'Hare Intl
Wed 9/11
1 stop16h 00m
London Gatwick
Mon 9/16
2 stops57h 45m
Chicago O'Hare IntlLondon Gatwick
ORD - LGW
ORDLGW
Chicago O'Hare Intl
Wed 10/2
1 stop10h 15m
London Gatwick
Wed 10/16
1 stop11h 20m
Chicago O'Hare IntlLondon Heathrow
ORD - LHR
ORDLHR
Chicago O'Hare Intl
Wed 11/6
1 stop21h 25m
London Heathrow
Wed 11/20
1 stop15h 30m
Chicago O'Hare IntlLondon Heathrow
ORD - LHR
ORDLHR
Chicago O'Hare Intl
Sat 11/16
1 stop29h 35m
London Heathrow
Tue 11/19
1 stop14h 10m
Chicago O'Hare IntlLondon Heathrow
ORD - LHR
ORDLHR
Chicago O'Hare Intl
Fri 11/8
1 stop14h 50m
London Heathrow
Sun 11/10
2 stops30h 15m
Chicago O'Hare IntlLondon Heathrow
ORD - LHR
ORDLHR
Chicago O'Hare Intl
Tue 9/24
Nonstop7h 45m
London Heathrow
Fri 10/4
1 stop11h 52m
Chicago O'Hare IntlLondon Gatwick
ORD - LGW
ORDLGW
Chicago O'Hare Intl
Tue 9/24
1 stop13h 48m
London Gatwick
Tue 10/8
1 stop14h 21m
Chicago O'Hare IntlLondon Heathrow
ORD - LHR
ORDLHR
Chicago O'Hare Intl
Sun 8/18
1 stop13h 35m
London Heathrow
Tue 8/27
1 stop12h 35m
Chicago O'Hare IntlLondon Heathrow
ORD - LHR
ORDLHR
Chicago O'Hare Intl
Wed 11/13
Nonstop7h 50m
London Heathrow
Thu 11/21
1 stop14h 10m
LON Temperature | 39.2 - 62.6 °F |
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If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).
Crew
Boarding
Comfort
Entertainment
Overall
Food
Reviews
One of the worst flights ever. I got to the airport early for my 6:48 pm flight and tried to get on the 4:30 ish flight. The gate agent was one of the worst customer service people in my 20 yrs of flying Delta. Very rude and wouldn’t even talk to me about riding standby. Then flight took off 3 hrs late and when Landed in Atlanta, the gate people wouldn’t even try to get me on the plane. It was still there but door was closed. For all of my almost 2 million miles, the worst experience from Delta. I am highly disappointed as it was not my fault I have to sleep in Atlanta and not Jacksonville Florida
Crew
Boarding
Comfort
Entertainment
Overall
Food
Reviews
One of the worst flights ever. I got to the airport early for my 6:48 pm flight and tried to get on the 4:30 ish flight. The gate agent was one of the worst customer service people in my 20 yrs of flying Delta. Very rude and wouldn’t even talk to me about riding standby. Then flight took off 3 hrs late and when Landed in Atlanta, the gate people wouldn’t even try to get me on the plane. It was still there but door was closed. For all of my almost 2 million miles, the worst experience from Delta. I am highly disappointed as it was not my fault I have to sleep in Atlanta and not Jacksonville Florida
Crew
Boarding
Comfort
Entertainment
Overall
Food
Reviews
One of the worst flights ever. I got to the airport early for my 6:48 pm flight and tried to get on the 4:30 ish flight. The gate agent was one of the worst customer service people in my 20 yrs of flying Delta. Very rude and wouldn’t even talk to me about riding standby. Then flight took off 3 hrs late and when Landed in Atlanta, the gate people wouldn’t even try to get me on the plane. It was still there but door was closed. For all of my almost 2 million miles, the worst experience from Delta. I am highly disappointed as it was not my fault I have to sleep in Atlanta and not Jacksonville Florida
Crew
Boarding
Comfort
Entertainment
Overall
Food
Reviews
One of the worst flights ever. I got to the airport early for my 6:48 pm flight and tried to get on the 4:30 ish flight. The gate agent was one of the worst customer service people in my 20 yrs of flying Delta. Very rude and wouldn’t even talk to me about riding standby. Then flight took off 3 hrs late and when Landed in Atlanta, the gate people wouldn’t even try to get me on the plane. It was still there but door was closed. For all of my almost 2 million miles, the worst experience from Delta. I am highly disappointed as it was not my fault I have to sleep in Atlanta and not Jacksonville Florida
Crew
Boarding
Comfort
Entertainment
Overall
Food
Reviews
One of the worst flights ever. I got to the airport early for my 6:48 pm flight and tried to get on the 4:30 ish flight. The gate agent was one of the worst customer service people in my 20 yrs of flying Delta. Very rude and wouldn’t even talk to me about riding standby. Then flight took off 3 hrs late and when Landed in Atlanta, the gate people wouldn’t even try to get me on the plane. It was still there but door was closed. For all of my almost 2 million miles, the worst experience from Delta. I am highly disappointed as it was not my fault I have to sleep in Atlanta and not Jacksonville Florida
Crew
Boarding
Comfort
Entertainment
Overall
Food
Reviews
One of the worst flights ever. I got to the airport early for my 6:48 pm flight and tried to get on the 4:30 ish flight. The gate agent was one of the worst customer service people in my 20 yrs of flying Delta. Very rude and wouldn’t even talk to me about riding standby. Then flight took off 3 hrs late and when Landed in Atlanta, the gate people wouldn’t even try to get me on the plane. It was still there but door was closed. For all of my almost 2 million miles, the worst experience from Delta. I am highly disappointed as it was not my fault I have to sleep in Atlanta and not Jacksonville Florida
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$257 | Average$830 | FlexibilityNo cancel fee | On-time76% | |
Cheapest$415 | Average$475 | FlexibilityNo cancel fee | On-time77% | |
Cheapest$451 | Average$919 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$490 | Average$685 | FlexibilityNo cancel fee | On-time76% | |
Cheapest$505 | Average$820 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$521 | Average$690 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$554 | Average$719 | FlexibilityNo cancel fee | On-time67% | |
Cheapest$570 | Average$691 | FlexibilityNo cancel fee | On-time77% | |
Cheapest$571 | Average$829 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$572 | Average$776 | FlexibilityNo cancel fee | On-time76% |
1%of flight departures | Early morningMidnight to 6 am |
---|---|
8%of flight departures | Morning6 am to noon |
20%of flight departures | AfternoonNoon to 6 pm |
71%of flight departures | Evening6 pm to midnight |
Sunday | 25daily flights |
---|---|
Monday | 37daily flights |
Tuesday | 35daily flights |
Wednesday | 35daily flights |
Thursday | 35daily flights |
Friday | 35daily flights |
Saturday | 25daily flights |