Question 1

What are the cheapest airlines flying from Chicago to London round-trip?

Accepted Answer

TAP AIR PORTUGAL, at $543, was found to be the cheapest airline from Chicago to London.Alternate airlines to your destination round-trip include Scandinavian Airlines and Icelandair. TAP AIR PORTUGAL is 28% cheaper than the average price of flights available within the next 90 days to this destination.

Question 2

E

Accepted Answer

Currently, November is the cheapest month in which you can book a flight from Chicago to London (average of $653). Flying from Chicago to London in June is currently the most expensive (average of $1,173). 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.

January

$675

February

$664

March

$715

April

$700

May

$748

June

$1,173

July

$987

August

$779

September

$748

October

$712

November

$653

December

$672

Question 3

When is the best time to book a flight from Chicago to London?

Accepted Answer

The best time to book flights from Chicago to London is 10 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.

Question 4

When is the cheapest time to fly from Chicago to London?

Accepted Answer

Travelers seeking maximum savings on their Chicago to London flight should consider departing on Monday evenings 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.

Question 5

How recently were the Chicago to London flight deals updated?

Accepted Answer

The Chicago to London flight deals you see on this page were last updated on 4/26.

Question 6

What are the most popular airlines that fly from Chicago to London?

Accepted Answer

When booking a flight from Chicago to London, you may want to consider flying on American Airlines, Air Canada or Air France as they are the most popular for this route.

Question 7

What are the most popular routes from Chicago to London?

Accepted Answer

The most popular route from Chicago to London is Chicago O'Hare Intl - London Heathrow. You may also consider Chicago O'Hare Intl - London City or Chicago O'Hare Intl - London Gatwick.

Question 8

What are the cheapest flights from Chicago to London?

Accepted Answer

Looking at all options, your cheapest flight can be booked for $447. While the most popular route (Chicago O'Hare Intl - London Heathrow) can be booked for $460 on average our data indicates $1,722 when flying from Chicago to London.

Question 9

What are the most reliable airlines from Chicago to London?

Accepted Answer

Before booking your flight to London from Chicago, check out the most reliable airlines to get you to your destination on time: EL AL (90%), Qatar Airways (79%), Malaysia Airlines( 74%).

Question 10

Can I find flights from Chicago to London for under $500 on Cheapflights?

Accepted Answer

Yes, there are multiple flights from Chicago to London for under $500. The cheapest flight booked recently is on Multiple Airlines for just $463, but on average you can expect to pay $518.

Question 11

Are there nonstop flights from Chicago to London for under $700 on Cheapflights?

Accepted Answer

Cheapflights has at least 20 direct flights from Chicago to London under $700. A good price for a nonstop flight from Chicago to London is less than $723.

Question 12

Are there last-minute flights available from Chicago to London for under $500?

Accepted Answer

There are currently 20+ open flights from Chicago to London within the next 7 days for less than $500.

Question 13

Where are the most common layover locations when flying from Chicago to London?

Accepted Answer

Of the flights from Chicago to London that have layovers, most of them stop in Reykjavik. Dublin sees the next most layovers on Chicago to London flights. Copenhagen sees the third most layovers on flights from Chicago to London.

Question 14

Where are the least popular layover locations for Chicago to London flights?

Accepted Answer

Chicago to London flights have a layover in Stockholm least often. Stockholm is followed by Lisbon in terms of the least popular layover location on flights from Chicago to London.

Question 15

What are some popular things to do or see while on a layover in Reykjavik?

Accepted Answer

Hallgrímskirkja, Icelandic Phallological Museum, and Harpa are the most popular attractions in Reykjavik if you're in need of something to do during your layover. Hallgrímskirkja, Icelandic Phallological Museum, and Harpa are located about 23.2 mi, 23.5 mi, and 23.3 mi, respectively from Reykjavik Keflavik Intl. Travelers can book a car rental at Reykjavik Keflavik Intl for about $54 per day to make their sightseeing more efficient.

Question 16

What are some popular points of interest to see during a layover in Dublin?

Accepted Answer

Most Dublin visitors opt to spend their time at St. Patrick's Cathedral, Molly Malone Statue, and Dublin Castle. St. Patrick's Cathedral, Molly Malone Statue and Dublin Castle are located about 6.1 mi, 5.8 mi, and 5.8 mi, respectively from Dublin if you are interested in checking them out. Those on a layover in Dublin in need of a rental car can book one at Dublin for about $27.

Question 17

What are points of interest worth seeing during a layover in Copenhagen?

Accepted Answer

Copenhagen travelers tend to visit Tivoli, Opera House, and Amager Square more than any other attractions. Those on a layover in Copenhagen interested in visiting Tivoli, Opera House, or Amager Square can do so by traveling 5.3 mi, 4.9 mi, and 5.2 mi, respectively from Kastrup Copenhagen. Those landing in Copenhagen looking to spend some time exploring during their layover can rent a car for about $29 per day.

Question 18

What is the cheapest day to fly round-trip from Chicago to London?

Accepted Answer

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.

Question 19

How far in advance should I book a flight from Chicago to London?

Accepted Answer

Find a great deal and save up to 12% by booking at least 11 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 $565.

Question 20

What is the cheapest month to fly from Chicago to London?

Accepted Answer

February can be a great time to fly to London from Chicago with a flight ticket averaging about $760. Cheapflights users have found deals in the month of February for as cheap as $409. The most expensive prices can be found in the month of June.

Question 21

When is the cheapest time to fly from Chicago to London (CHI - LON)?

Accepted Answer

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 8% on your trip compared to booking a flight at noon.

Question 22

Accepted Answer

If you’re traveling from Chicago to London, one of the more common airlines traveling that route is Scandinavian Airlines. Flights from Scandinavian Airlines traveling this route typically cost $748.78 RT. This price is typically 67% more expensive than other airlines that offer Chicago to London flights. When booking this route, the cheapest RT price found was $608. When traveling from Chicago to London on Scandinavian Airlines, 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, Scandinavian Airlines flights are 3% more popular than any other airline flying that same route.

Question 23

Accepted Answer

If you’re traveling from Chicago to London, one of the more common airlines traveling that route is United Airlines. Flights from United Airlines traveling this route typically cost $857.71 RT. This price is typically 72% more expensive than other airlines that offer Chicago to London flights. When booking this route, the cheapest RT price found was $599. 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, United Airlines flights are 1% more popular than any other airline flying that same route.

Question 24

What does ORD to LHR mean?

Accepted Answer

Great question - ORD to LHR just means Chicago O'Hare Intl Airport to London Heathrow Airport. Now you’ll know what these unique codes when you look for flights! London Gatwick Airport (LGW), London Stansted Airport (STN), London Luton Airport (LTN), London City Airport (LCY), London Southend Airport (SEN) are other airports near this flight route and their unique identifiers/IATA codes.

Question 25

Can I find deals for flights from Chicago to London that include extra baggage allowance?

Accepted Answer

The amount of baggage you can bring on your Chicago to London flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

Question 26

Can I find deals on flights from Chicago to London with specific airlines?

Accepted Answer

Yes, Cheapflights allows you to browse and filter Chicago to London flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

Question 27

Can I find deals for flights from Chicago to London that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Chicago to London flights, Cheapflights offers vacation packages that include both flights and hotel.

Question 28

How can I find direct flights from Chicago to London?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to London.

Question 29

Can I find deals for business class flights from Chicago to London?

Accepted Answer

Yes. Cheapflights offers flight deals from Chicago to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 30

Can I find deals for flights from Chicago to London that allow pets onboard?

Accepted Answer

Many airlines flying from Chicago to London offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

Question 31

Can I find deals on last-minute flights from Chicago to London?

Accepted Answer

Yes, you can often find last-minute deals on Chicago to London flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

Question 32

How does Cheapflights help users find flights from Chicago to London?

Accepted Answer

Cheapflights makes it easy to find Chicago to London flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Question 33

Why should you use Cheapflights to find cheap flight tickets from Chicago to London?

Accepted Answer

Cheapflights helps you find that perfect flight to London from Chicago by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Question 34

Can Cheapflights find flights from Chicago to London with no change fees?

Accepted Answer

Need flexible booking options for your flight to London from Chicago? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Question 35

Can Cheapflights notify me if prices for flights from Chicago to London become cheaper?

Accepted Answer

Yes! Start tracking prices for Chicago to London flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

Popular in	June
Cheapest in	February
Round-trip from	$644
One-way from	$207

Airline	Cheapest	Average	Flexibility	On-time
Lufthansa	Cheapest$253	Average$839	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Scandinavian Airlines	Cheapest$414	Average$506	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
Delta	Cheapest$451	Average$821	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Icelandair	Cheapest$503	Average$785	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
TAP AIR PORTUGAL	Cheapest$511	Average$871	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Aer Lingus	Cheapest$531	Average$713	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Iberia	Cheapest$570	Average$696	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
United Airlines	Cheapest$572	Average$841	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Air Canada	Cheapest$573	Average$722	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Virgin Atlantic	Cheapest$583	Average$683	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights

1%of flight departures	Early morningMidnight to 6 am
11%of flight departures	Morning6 am to noon
47%of flight departures	AfternoonNoon to 6 pm
41%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

Cheap flights from Chicago (CHI) to London (LON) from $207

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/15. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.

The best prices from Chicago to London are usually found in February or January, booked 10 days in advance, depart on a Wednesday or Monday and return on a Wednesday

Cheap flight deals from Chicago to London

Popular in

Cheapest in

Round-trip from

One-way from

What is the cheapest day to fly round-trip from Chicago to London?

How far in advance should I book a flight from Chicago to London?

What is the cheapest month to fly from Chicago to London?

When is the cheapest time to fly from Chicago to London (CHI - LON)?

Cheap Scandinavian Airlines flights from Chicago to London

Find some of the cheapest Scandinavian Airlines flights traveling from Chicago to London. Deals update often to give you more flight options matching your criteria

Cheap United Airlines flights from Chicago to London

To aid your search, here are some of the cheapest United Airlines flights we've found from Chicago to London. Deals are refreshing constantly so come back soon for more options.

Cheap Chicago to London flights in April & May 2024

Find cheap flight options from Chicago to London specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,068,117 searches. Prices were last updated on April 27, 2024.

Check out some of the best flight deals from Chicago to London in 2024. Check back regularly for other flight deals.

Chicago to London 2024 flight deals

Discover exclusive flight deals for travel between Chicago and London in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 27, 2024.

Check out some of the best flight deals from Chicago to London in 2024. Check back regularly for other flight deals.

Non-stop flights to London from Chicago

Take a look at some of the direct flights traveling from Chicago to London in the near future. Search for alternative flights from Chicago to London by utilizing the search form above.

Chicago to London flights leaving soon

Have a look at some of the flights available from Chicago to London departing last-minute. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.

One-way flights to London from Chicago

Users traveling one-way from Chicago to London can select one of these great deals. Those seeking round-trip flights from Chicago to London should utilize the search form at the the top of the page.

Find flights from Chicago to London within your budget

When is the best time to book a flight from Chicago to London?

Use this chart to determine the optimal time to book a round-trip flight from Chicago to London. Price data was last updated on January 28, 2024.

The best time to book flights from Chicago to London is 10 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.

When is the cheapest time to fly from Chicago to London?

Use this chart to determine the cheapest time to fly round-trip from Chicago to London. Price data was last updated on April 21, 2024.

Average price of flights to London by month

Plan your trip from Chicago to London by taking into account the cheapest months to travel. The average price of a one-way flight from Chicago to London is currently $221 while a round-trip flight costs $577. Price data was last updated on April 21, 2024.

Temperature and rainfall in London by month

Plan your trip to London by taking into account the average temperature and rainfall totals by month.

Reviews of airlines servicing London

Read reviews from past customers who have flown Scandinavian Airlines, United Airlines and British Airways from Chicago to London. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Chicago to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

Can I find flights from Chicago to London for under $500 on Cheapflights?

Are there nonstop flights from Chicago to London for under $700 on Cheapflights?

Are there last-minute flights available from Chicago to London for under $500?

What are the cheapest airlines flying from Chicago to London round-trip?

What are the most popular routes from Chicago to London?

What are the most popular airlines that fly from Chicago to London?

What are the most reliable airlines from Chicago to London?

What are the cheapest flights from Chicago to London?

What does ORD to LHR mean?

Where are the most common layover locations when flying from Chicago to London?

What are some popular things to do or see while on a layover in Reykjavik?

What are some popular points of interest to see during a layover in Dublin?

What are points of interest worth seeing during a layover in Copenhagen?

Where are the least popular layover locations for Chicago to London flights?

Can I find deals for flights from Chicago to London that include extra baggage allowance?

Can I find deals on flights from Chicago to London with specific airlines?

Can I find deals for flights from Chicago to London that include hotel bookings?

How can I find direct flights from Chicago to London?

Can I find deals for business class flights from Chicago to London?

Can I find deals for flights from Chicago to London that allow pets onboard?

Can I find deals on last-minute flights from Chicago to London?

How recently were the Chicago to London flight deals updated?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly from Chicago to London on these airlinesChoose from the following airlines for your flight from Chicago to London. Flights are based on user searches made on Cheapflights and were last updated on April 27, 2024.

Choose from the following airlines for your flight from Chicago to London. Flights are based on user searches made on Cheapflights and were last updated on April 27, 2024.

Top 10 airlines flying from Chicago to London

Popular flight searches

Check out other popular destinations found by fellow travelers in 2024

Search flights from Chicago to London by cabin class

Find flights from Chicago to London, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from Chicago to London

Find hourly flight availability from Chicago to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 27, 2024.

Weekly flight availability from Chicago to London

Explore weekly flight availability from Chicago to London. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 27, 2024.

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations

Fly with Cheapflights

Fly from Chicago to London on these airlines
Choose from the following airlines for your flight from Chicago to London. Flights are based on user searches made on Cheapflights and were last updated on April 27, 2024.