Cheap flights from Chicago (CHI) to London (LON)
The best prices from Chicago to London are usually found in January or February, booked 59 days in advance, depart on a Wednesday or Friday and return on a Monday
How to find the cheapest flight from Chicago (CHI) to London (LON)
All the information you need to plan the best CHI to LON flight in 2023: compare Chicago to London flight prices with the expected peak season, weather and rainfall in London.
CHI - LON Price | $575 - $994 |
|---|---|
LON Temperature | 39.2 - 62.6 °F |
LON Rainfall | 1.6 - 2.8 inches |
| Popular in | July | High demand for flights, 28% potential price rise |
|---|---|---|
| Cheapest in | January | Best time to find cheap flights, 20% potential price drop |
| Round-trip from | $575 | From Chicago (CHI) to London (LON) |
| One-way from | $204 | One-way flight from Chicago (CHI) to London (LON) |
What is the cheapest day to fly round-trip from Chicago to London?
It’s generally more expensive to depart on a Tuesday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.
How far in advance should I book a flight from Chicago to London?
Find a great deal and save up to 12% by booking at least 57 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 $819.
What is the cheapest month to fly from Chicago to London?
January can be a great time to fly to London from Chicago with a flight ticket averaging about $715. Cheapflights users have found deals in the month of January for as cheap as $512. The most expensive prices can be found in the month of July.
When is the cheapest time to fly from Chicago to London (CHI - LON)?
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 14% on your trip compared to booking a flight in the morning.
Cheap flights from Chicago to London in February, March 2023
The best prices found for CHI to LON flights for February, March
Chicago O'Hare Intl
London Heathrow
1 stop
14h 55mLondon Heathrow
Chicago O'Hare Intl
1 stop
23h 35mScandinavian Airlines
Chicago O'Hare Intl
London Heathrow
1 stop
14h 55mLondon Heathrow
Chicago O'Hare Intl
1 stop
28h 25mScandinavian Airlines
Chicago O'Hare Intl
London Heathrow
1 stop
14h 55mLondon Heathrow
Chicago O'Hare Intl
1 stop
28h 25mScandinavian Airlines
Chicago to London 2023 flight deals
Cheap flights to London from Chicago found for this year
Chicago O'Hare Intl
London Heathrow
1 stop
14h 55mLondon Heathrow
Chicago O'Hare Intl
1 stop
13h 50mScandinavian Airlines
Chicago O'Hare Intl
London Heathrow
1 stop
14h 55mLondon Heathrow
Chicago O'Hare Intl
1 stop
13h 50mScandinavian Airlines
Chicago O'Hare Intl
London Heathrow
1 stop
14h 55mLondon Heathrow
Chicago O'Hare Intl
1 stop
23h 35mScandinavian Airlines
Cheap Air France flights from Chicago to London
Chicago O'Hare Intl
London Heathrow
1 stop
10h 30mLondon Heathrow
Chicago O'Hare Intl
1 stop
14h 55mAir France
Chicago O'Hare Intl
London Heathrow
1 stop
11h 00mLondon Heathrow
Chicago O'Hare Intl
1 stop
14h 55mAir France
Chicago Midway
London Heathrow
1 stop
11h 30mLondon Heathrow
Chicago Midway
1 stop
14h 04mAir France
Air France is one of the most popular airlines used for those traveling from Chicago to London. Flights on this route from Air France typically cost $890.97 RT, a price that is 54% cheaper than the average Chicago to London flight. The cheapest flight found was $576 RT. When traveling from Chicago to London on Air France, the most popular airport to depart from is Chicago O'Hare Intl Airport and the most popular airport to arrive at is London Heathrow Airport. When flying from Chicago to London, Air France flights are 5% more popular than any other airline flying that same route.
Cheap TAP AIR PORTUGAL flights from Chicago to London
Chicago O'Hare Intl
London Heathrow
1 stop
13h 40mLondon Heathrow
Chicago O'Hare Intl
1 stop
18h 20mTAP AIR PORTUGAL
Chicago O'Hare Intl
London Heathrow
1 stop
18h 25mLondon Heathrow
Chicago O'Hare Intl
1 stop
20h 30mTAP AIR PORTUGAL
Chicago O'Hare Intl
London Heathrow
1 stop
13h 40mLondon Heathrow
Chicago O'Hare Intl
1 stop
18h 20mTAP AIR PORTUGAL
One of the most popular airlines traveling from Chicago to London is TAP AIR PORTUGAL. Flights from TAP AIR PORTUGAL traveling this route typically cost $805.17 RT. This price is typically 55% more expensive than other airlines that offer Chicago to London flights. When booking this route, the cheapest RT price found was $546. The most popular departure airport in Chicago when flying to London is Chicago O'Hare Intl Airport. The most popular airport to fly into when visiting London is London Heathrow Airport. When flying from Chicago to London, TAP AIR PORTUGAL flights are 4% more popular than any other airline flying that same route.
Non-stop flights to London from Chicago
Save time with Chicago to London direct flight deals
Chicago O'Hare Intl
London Heathrow
Nonstop
7h 50mLondon Heathrow
Chicago O'Hare Intl
Nonstop
8h 30mFinnair
Chicago O'Hare Intl
London Heathrow
Nonstop
7h 40mLondon Heathrow
Chicago O'Hare Intl
Nonstop
8h 40mBritish Airways
Chicago O'Hare Intl
London Heathrow
Nonstop
7h 45mLondon Heathrow
Chicago O'Hare Intl
Nonstop
8h 40mBritish Airways
Last minute flights from Chicago to London
Late deals on return flights to London from Chicago, departing today and this week
Chicago O'Hare Intl
London Heathrow
1 stop
14h 55mLondon Heathrow
Chicago O'Hare Intl
1 stop
23h 35mScandinavian Airlines
Chicago O'Hare Intl
London Heathrow
1 stop
11h 55mLondon Heathrow
Chicago O'Hare Intl
1 stop
23h 35mScandinavian Airlines
Chicago O'Hare Intl
London Heathrow
1 stop
11h 55mLondon Heathrow
Chicago O'Hare Intl
1 stop
28h 25mScandinavian Airlines
One-way flights to London from Chicago
The cheapest one-way flights from Chicago to London
Chicago O'Hare Intl
London Heathrow
1 stop
13h 15mTAP AIR PORTUGAL
Chicago O'Hare Intl
London Gatwick
1 stop
11h 30mTAP AIR PORTUGAL
Chicago O'Hare Intl
London Heathrow
1 stop
17h 20mTAP AIR PORTUGAL
Reviews of Airlines Servicing London
Crew
Comfort
Boarding
Entertainment
Overall
Food
Reviews
Good flight. Only a few minutes late on takeoff. No problems on the flight. Arrived in Atlanta close to on time.
Crew
Comfort
Boarding
Entertainment
Overall
Food
Reviews
Good flight. Only a few minutes late on takeoff. No problems on the flight. Arrived in Atlanta close to on time.
Crew
Comfort
Boarding
Entertainment
Overall
Food
Reviews
Good flight. Only a few minutes late on takeoff. No problems on the flight. Arrived in Atlanta close to on time.
Crew
Comfort
Boarding
Entertainment
Overall
Food
Reviews
Good flight. Only a few minutes late on takeoff. No problems on the flight. Arrived in Atlanta close to on time.
Crew
Comfort
Boarding
Entertainment
Overall
Food
Reviews
Good flight. Only a few minutes late on takeoff. No problems on the flight. Arrived in Atlanta close to on time.
Crew
Comfort
Boarding
Entertainment
Overall
Food
Reviews
Good flight. Only a few minutes late on takeoff. No problems on the flight. Arrived in Atlanta close to on time.
Related info for your journey
Useful info, stats and facts about Chicago to London flights.
Which airlines flying from Chicago to London have flexible cancellations due to COVID-19?
Due to the rapidly changing circumstances due to COVID-19, airlines like British Airways, American Airlines, and Iberia flying from Chicago to London have implemented new flexible cancellation policies.
Can I find flights from Chicago to London for under $400 on Cheapflights?
Yes, there are multiple flights from Chicago to London for under $400. The cheapest flight booked recently is on Scandinavian Airlines for just $339, but on average you can expect to pay $432.
Are there nonstop flights from Chicago to London for under $600 on Cheapflights?
Cheapflights has at least 20 direct flights from Chicago to London under $600. A good price for a nonstop flight from Chicago to London is less than $557.
Are there last-minute flights available from Chicago to London for under $500?
There are currently 20+ open flights from Chicago to London within the next 7 days for less than $500.
What are the cheapest airlines flying from Chicago to London round-trip?
Scandinavian Airlines, at $339, was found to be the cheapest airline from Chicago to London.Alternate airlines to your destination round-trip include TAP AIR PORTUGAL and Iberia. Scandinavian Airlines is 52% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from Chicago to London one-way?
$184 is the cheapest one-way deal found within the past few days, from TAP AIR PORTUGAL. You may also be able to find cheap deals on Undisclosed Carrier and SWISS, with prices starting from $203 and $228, respectively.
What are the most popular routes from Chicago to London?
The most popular route from Chicago to London is Chicago O'Hare Intl - London Heathrow. You may also consider Chicago O'Hare Intl - London Gatwick or Chicago O'Hare Intl - London City.
What are the most popular airlines that fly from Chicago to London?
When booking a flight from Chicago to London, you may want to consider flying on Undisclosed Carrier, American Airlines or Air Canada as they are the most popular for this route.
What are the most reliable airlines from Chicago to London?
Before booking your flight to London from Chicago, check out the most reliable airlines to get you to your destination on time: Air Canada (77%), Austrian Airlines (77%), United Airlines( 77%).
What are the cheapest flights from Chicago to London?
Looking at all options, your cheapest flight can be booked for $255. While the most popular route (Chicago O'Hare Intl - London Heathrow) can be booked for $408 on average our data indicates $2,234 when flying from Chicago to London.
Other flights from Chicago
Alternative routes for Chicago to London
See prices for flight routes from nearby airports that may be better suited for you.
Top 10 airlines flying from Chicago to London
The chart below displays the airlines Cheapflights users traveling from Chicago to London choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Hourly flight availability from Chicago to London
See what time of day planes typically take off from Chicago to London
| 1%of flight departures | Early morningMidnight to 6 am |
|---|---|
| 0%of flight departures | Morning6 am to noon |
| 75%of flight departures | AfternoonNoon to 6 pm |
| 24%of flight departures | Evening6 pm to midnight |
Weekly flight availability from Chicago to London
See how many times per day planes take to the skies headed from Chicago to London
| Sunday | 29daily flights |
|---|---|
| Monday | 32daily flights |
| Tuesday | 26daily flights |
| Wednesday | 26daily flights |
| Thursday | 32daily flights |
| Friday | 28daily flights |
| Saturday | 29daily flights |