Cheap flights from Chicago (CHI) to London (LON) from $169

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight to London departing on 3/16. 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.
CHI — LON
Mar 5 — Mar 121

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

Cheap flight deals from Chicago to London

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 29, 2024.

Popular in

June

Cheapest in

February

Round-trip from

$644

One-way from

$169
High demand for flights, 39% potential price rise
Best time to find cheap flights, 27% potential price drop
From Chicago (CHI) to London (LON)
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 Sunday, 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 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.

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

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.

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 11% on your trip compared to booking a flight in the morning.

Cheap Aer Lingus flights from Chicago to London

Explore cheap flight options specifically provided by Aer Lingus for the route between Chicago and London. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,314,962 searches. Data last updated February 29, 2024.
Find some of the cheapest Aer Lingus flights traveling from Chicago to London. Deals update often to give you more flight options matching your criteria
Tue 4/23:45 pmORD - LHR
1 stop10h 15mAer Lingus
Tue 4/238:50 amLHR - ORD
1 stop11h 10mAer Lingus
Deal found 2/28$575
Tue 3/57:40 pmORD - LGW
1 stop10h 40mAer Lingus
Tue 3/1211:05 amLGW - ORD
1 stop12h 50mAer Lingus
Deal found 2/27$714

Cheap Air Canada flights from Chicago to London

Explore cheap flight options specifically provided by Air Canada for the route between Chicago and London. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,314,962 searches. Data last updated February 29, 2024.
To aid your search, here are some of the cheapest Air Canada flights we've found from Chicago to London. Deals are refreshing constantly so come back soon for more options.
Fri 4/194:35 pmORD - LHR
1 stop10h 00mAir Canada
Sun 4/216:50 amLHR - ORD
2 stops13h 51mAir Canada
Deal found 2/27$589
Wed 4/1711:00 amORD - LHR
1 stop13h 30mAir Canada
Tue 4/306:50 amLHR - ORD
2 stops13h 51mAir Canada
Deal found 2/28$618
Thu 3/72:30 pmORD - LHR
1 stop10h 00mAir Canada
Thu 3/141:25 pmLHR - ORD
1 stop12h 58mAir Canada
Deal found 2/28$667
Thu 3/710:00 amORD - LHR
1 stop14h 30mAir Canada
Wed 3/131:00 pmLHR - ORD
1 stop11h 37mAir Canada
Deal found 2/28$673
Sat 3/24:35 pmORD - LHR
1 stop9h 55mAir Canada
Thu 3/141:25 pmLHR - ORD
1 stop12h 58mAir Canada
Deal found 2/27$676

Cheap Chicago to London flights in February & March 2024

Find cheap flight options from Chicago to London specifically for the months of February and March 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,314,962 searches. Prices were last updated on February 29, 2024.
Check out some of the best flight deals from Chicago to London in 2024. Check back regularly for other flight deals.
Wed 3/1310:45 pmORD - LHR
1 stop12h 15mScandinavian Airlines
Wed 3/209:55 amLHR - ORD
1 stop14h 10mScandinavian Airlines
Deal found 2/28$451
Wed 2/289:45 pmORD - LHR
1 stop12h 15mScandinavian Airlines
Fri 3/19:55 amLHR - ORD
1 stop14h 10mScandinavian Airlines
Deal found 2/27$465
Sun 3/39:45 pmORD - LHR
1 stop17h 55mScandinavian Airlines
Tue 3/56:40 amLHR - ORD
1 stop17h 25mScandinavian Airlines
Deal found 2/28$480
Tue 3/59:45 pmORD - LHR
1 stop13h 55mScandinavian Airlines
Wed 3/139:55 amLHR - ORD
1 stop14h 10mScandinavian Airlines
Deal found 2/28$487
Wed 3/1310:45 pmORD - LHR
1 stop12h 15mScandinavian Airlines
Wed 3/209:55 amLHR - ORD
1 stop14h 10mScandinavian Airlines
Deal found 2/28$495
Mon 3/49:45 pmORD - LHR
1 stop12h 15mScandinavian Airlines
Fri 3/89:55 amLHR - ORD
1 stop14h 10mScandinavian Airlines
Deal found 2/28$502
Sun 3/39:45 pmORD - LHR
1 stop12h 15mScandinavian Airlines
Wed 3/139:55 amLHR - ORD
1 stop14h 10mScandinavian Airlines
Deal found 2/28$503
Mon 3/1110:45 pmORD - LHR
1 stop12h 15mScandinavian Airlines
Thu 3/146:40 amLHR - ORD
1 stop17h 25mScandinavian Airlines
Deal found 2/28$504
Thu 2/299:45 pmORD - LHR
1 stop13h 55mScandinavian Airlines
Thu 3/79:55 amLHR - ORD
1 stop14h 10mScandinavian Airlines
Deal found 2/28$508

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 3,314,962 searches. Data last updated February 29, 2024.
Check out some of the best flight deals from Chicago to London in 2024. Check back regularly for other flight deals.
Thu 9/128:55 pmORD - LHR
1 stop11h 00mAer Lingus
Mon 9/301:25 pmLHR - ORD
1 stop11h 40mAer Lingus
Deal found 2/27$359
Wed 9/43:45 pmORD - LHR
1 stop10h 15mAer Lingus
Tue 9/108:50 amLHR - ORD
1 stop11h 10mAer Lingus
Deal found 2/27$360
Thu 10/103:45 pmORD - LHR
1 stop10h 15mAer Lingus
Mon 10/148:50 amLHR - ORD
1 stop11h 10mAer Lingus
Deal found 2/27$361
Mon 9/233:45 pmORD - LHR
1 stop10h 15mAer Lingus
Wed 10/28:50 amLHR - ORD
1 stop11h 10mAer Lingus
Deal found 2/28$370
Wed 9/43:45 pmORD - LHR
1 stop10h 15mAer Lingus
Wed 9/118:50 amLHR - ORD
1 stop11h 10mAer Lingus
Deal found 2/28$371
Wed 9/43:45 pmORD - LHR
1 stop10h 15mAer Lingus
Wed 9/118:50 amLHR - ORD
1 stop11h 10mAer Lingus
Deal found 2/29$374
Wed 9/43:45 pmORD - LHR
1 stop10h 15mAer Lingus
Mon 9/98:50 amLHR - ORD
1 stop11h 10mAer Lingus
Deal found 2/28$376
Wed 9/183:45 pmORD - LHR
1 stop10h 15mAer Lingus
Mon 9/238:50 amLHR - ORD
1 stop11h 10mAer Lingus
Deal found 2/28$379
Wed 9/43:45 pmORD - LHR
1 stop11h 20mAer Lingus
Sun 9/86:45 amLHR - ORD
1 stop11h 00mAer Lingus
Deal found 2/28$449

Non-stop flights to London from Chicago

Discover non-stop flight options from Chicago to London. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 3,314,962 searches. Data last updated February 29, 2024.
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.
Wed 4/246:20 pmORD - LHR
Nonstop8h 10mLufthansa
Wed 5/88:30 amLHR - ORD
Nonstop8h 50mLufthansa
Deal found 2/29$620
Mon 3/255:05 pmORD - LHR
Nonstop7h 50mLufthansa
Thu 5/21:05 pmLHR - ORD
Nonstop9h 05mLufthansa
Deal found 2/28$622
Mon 3/116:55 pmORD - LHR
Nonstop8h 00mUnited Airlines
Tue 3/193:10 pmLHR - ORD
Nonstop9h 25mUnited Airlines
Deal found 2/29$625
Tue 3/125:05 pmORD - LHR
Nonstop7h 50mLufthansa
Tue 3/1912:05 pmLHR - ORD
Nonstop9h 20mLufthansa
Deal found 2/28$626
Tue 4/233:45 pmORD - LHR
Nonstop8h 10mLufthansa
Tue 4/301:05 pmLHR - ORD
Nonstop9h 05mLufthansa
Deal found 2/27$627
Tue 4/236:50 pmORD - LHR
Nonstop8h 10mUnited Airlines
Thu 5/91:05 pmLHR - ORD
Nonstop9h 05mUnited Airlines
Deal found 2/29$631
Mon 4/223:45 pmORD - LHR
Nonstop8h 10mLufthansa
Fri 5/31:05 pmLHR - ORD
Nonstop9h 05mLufthansa
Deal found 2/27$632
Wed 3/139:55 amORD - LHR
Nonstop7h 45mFinnair
Wed 3/201:10 pmLHR - ORD
Nonstop8h 55mFinnair
Deal found 2/28$635
Wed 4/178:20 amORD - LHR
Nonstop7h 50mFinnair
Wed 5/88:10 amLHR - ORD
Nonstop8h 35mFinnair
Deal found 2/28$636

Chicago to London flights leaving soon

Find last-minute flight options from Chicago to London for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,314,962 searches. Data last updated February 29, 2024.
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.
Wed 3/1310:45 pmORD - LHR
1 stop12h 15mScandinavian Airlines
Wed 3/209:55 amLHR - ORD
1 stop14h 10mScandinavian Airlines
Deal found 2/28$451
Sun 3/39:45 pmORD - LHR
1 stop17h 55mScandinavian Airlines
Tue 3/56:40 amLHR - ORD
1 stop17h 25mScandinavian Airlines
Deal found 2/28$480
Tue 3/59:45 pmORD - LHR
1 stop13h 55mScandinavian Airlines
Wed 3/139:55 amLHR - ORD
1 stop14h 10mScandinavian Airlines
Deal found 2/28$487
Wed 3/1310:45 pmORD - LHR
1 stop12h 15mScandinavian Airlines
Wed 3/209:55 amLHR - ORD
1 stop14h 10mScandinavian Airlines
Deal found 2/28$495
Mon 3/49:45 pmORD - LHR
1 stop12h 15mScandinavian Airlines
Fri 3/89:55 amLHR - ORD
1 stop14h 10mScandinavian Airlines
Deal found 2/28$502
Sun 3/39:45 pmORD - LHR
1 stop12h 15mScandinavian Airlines
Wed 3/139:55 amLHR - ORD
1 stop14h 10mScandinavian Airlines
Deal found 2/28$503
Mon 3/1110:45 pmORD - LHR
1 stop12h 15mScandinavian Airlines
Thu 3/146:40 amLHR - ORD
1 stop17h 25mScandinavian Airlines
Deal found 2/28$504
Sat 3/29:45 pmORD - LHR
1 stop12h 15mScandinavian Airlines
Tue 3/59:55 amLHR - ORD
1 stop14h 10mScandinavian Airlines
Deal found 2/28$508
Sun 3/39:45 pmORD - LHR
1 stop12h 15mScandinavian Airlines
Thu 3/79:55 amLHR - ORD
1 stop14h 10mScandinavian Airlines
Deal found 2/27$515

One-way flights to London from Chicago

Search for one-way flight options from Chicago to London. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,314,962 searches. Data last updated February 29, 2024.
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.
Sat 3/168:49 pmMDW - LGW
1 stop32h 11mMultiple Airlines
Deal found 2/28$169
Wed 5/17:17 pmMDW - LGW
1 stop29h 43mMultiple Airlines
Deal found 2/28$174
Fri 3/298:51 amMDW - LGW
1 stop17h 04mMultiple Airlines
Deal found 2/28$180
Tue 3/264:20 pmMDW - LGW
2 stops36h 40mMultiple Airlines
Deal found 2/28$187
Thu 3/288:43 pmMDW - LGW
1 stop32h 17mMultiple Airlines
Deal found 2/28$191
Thu 3/288:43 pmMDW - LGW
1 stop32h 17mMultiple Airlines
Deal found 2/28$198
Fri 3/298:43 pmMDW - LGW
1 stop32h 17mMultiple Airlines
Deal found 2/28$199
Mon 4/86:00 pmORD - LHR
1 stop12h 45mTAP AIR PORTUGAL
Deal found 2/28$205
Mon 4/86:00 pmORD - LHR
1 stop17h 45mTAP AIR PORTUGAL
Deal found 2/28$206

Find flights from Chicago to London within your budget

Customize your flight search to find flights from Chicago to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 3,314,962 searches. Data last updated February 29, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$451 - $618

Route

Depart

Return

Price

Chicago O'Hare IntlLondon Heathrow

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Wed 3/13

1 stop12h 15m

London Heathrow

Wed 3/20

1 stop14h 10m

$451

Chicago O'Hare IntlLondon Gatwick

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Tue 4/30

1 stop13h 09m

London Gatwick

Mon 5/6

2 stops33h 49m

$518

Chicago O'Hare IntlLondon Gatwick

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sat 4/20

1 stop10h 15m

London Gatwick

Fri 4/26

1 stop11h 20m

$571

Chicago O'Hare IntlLondon Heathrow

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Tue 4/2

1 stop10h 15m

London Heathrow

Tue 4/23

1 stop11h 10m

$575

Chicago O'Hare IntlLondon Gatwick

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Mon 4/8

1 stop15h 35m

London Gatwick

Sun 4/14

1 stop35h 35m

$583

Chicago O'Hare IntlLondon Heathrow

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Fri 4/19

1 stop10h 00m

London Heathrow

Sun 4/21

2 stops13h 51m

$589

Chicago O'Hare IntlLondon Heathrow

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Tue 4/23

Nonstop7h 45m

London Heathrow

Wed 5/8

1 stop13h 05m

$608

Chicago O'Hare IntlLondon Heathrow

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Sun 3/10

Nonstop8h 00m

London Heathrow

Tue 4/16

1 stop13h 25m

$611

Chicago O'Hare IntlLondon Gatwick

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sun 3/10

1 stop10h 16m

London Gatwick

Tue 4/16

2 stops24h 25m

$618

Flights are sorted by cheapest first

Deals found on 2/28

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.
Search Deals

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 February 25, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Chicago to London flight should consider departing on Thursday at noon when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

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 $190 while a round-trip flight costs $569. Price data was last updated on February 25, 2024.

Currently, November is the cheapest month in which you can book a flight from Chicago to London (average of $652). Flying from Chicago to London in June is currently the most expensive (average of $1,189). 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

$665

March

$713

April

$735

May

$770

June

$1,189

July

$1,016

August

$799

September

$751

October

$716

November

$652

December

$676

Temperature and rainfall in London by month

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

LON

Temperature

39.2 - 62.6 °F

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated February 29, 2024.
Read reviews from past customers who have flown Aer Lingus, Air Canada and Iberia 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.
8.1
Very good
11,818 reviews

Food

7.5

Boarding

8.2

Crew

8.6

Overall

8.1

Entertainment

8.1

Comfort

7.9

Reviews

1 / 10

It was a good experience other than a short delay.

8.1
Very good
11,818 reviews
8.1
Very good
11,818 reviews

Food

7.5

Boarding

8.2

Crew

8.6

Overall

8.1

Entertainment

8.1

Comfort

7.9

Reviews

1 / 10

It was a good experience other than a short delay.

7.8
Good
2,258 reviews
8.1
Very good
11,818 reviews

Food

7.5

Boarding

8.2

Crew

8.6

Overall

8.1

Entertainment

8.1

Comfort

7.9

Reviews

1 / 10

It was a good experience other than a short delay.

7.8
Good
1,766 reviews
8.1
Very good
11,818 reviews

Food

7.5

Boarding

8.2

Crew

8.6

Overall

8.1

Entertainment

8.1

Comfort

7.9

Reviews

1 / 10

It was a good experience other than a short delay.

7.7
Good
5,180 reviews
8.1
Very good
11,818 reviews

Food

7.5

Boarding

8.2

Crew

8.6

Overall

8.1

Entertainment

8.1

Comfort

7.9

Reviews

1 / 10

It was a good experience other than a short delay.

7.7
Good
1,376 reviews
8.1
Very good
11,818 reviews

Food

7.5

Boarding

8.2

Crew

8.6

Overall

8.1

Entertainment

8.1

Comfort

7.9

Reviews

1 / 10

It was a good experience other than a short delay.

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?

Yes, there are multiple flights from Chicago to London for under $500. The cheapest flight booked recently is on Scandinavian Airlines for just $451, but on average you can expect to pay $515.

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

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 $650.

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 days are nonstop flights available from Chicago to London?

Nonstop flights are available for this route on the following days: Sunday, Tuesday, Thursday, Friday.

How many flights depart from Chicago to London on average per day?

Travelers can expect 12 flights from Chicago to London on average per day.
Afternoon (Noon - 6pm) - 42% of flight departures
Evening (6pm - Midnight) - 58% of flight departures

How long is the flight from Chicago to London?

Departing from Chicago to London will take you 12h 15m. There are 3964 mi between Chicago and London.

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

Scandinavian Airlines, at $451, was found to be the cheapest airline from Chicago to London.. Scandinavian Airlines is 40% cheaper than the average price of flights available within the next 90 days to this destination.

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?

Before booking your flight to London from Chicago, check out the most reliable airlines to get you to your destination on time: Qatar Airways (78%), EL AL (78%), Alaska Airlines( 78%).

What are the cheapest flights from Chicago to London?

Looking at all options, your cheapest flight can be booked for $448. While the most popular route (Chicago O'Hare Intl - London Heathrow) can be booked for $451 on average our data indicates $1,895 when flying from Chicago to London.

What does ORD to LHR mean?

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.

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?

Hallgrímskirkja, Harpa, and Perlan are the most popular attractions in Reykjavik if you're in need of something to do during your layover. Hallgrímskirkja, Harpa, and Perlan are located about 23.2 mi, 23.3 mi, and 23.0 mi, respectively from Reykjavik Keflavik Intl. Travelers can book a car rental at Reykjavik Keflavik Intl for about $60 per day to make their sightseeing more efficient.

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

Most Dublin visitors opt to spend their time at St. Patrick's Cathedral, Dublin Castle, and Merrion Square. St. Patrick's Cathedral, Dublin Castle and Merrion Square are located about 6.1 mi, 5.8 mi, and 6.0 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.

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

Copenhagen travelers tend to visit Tivoli, Kongens Nytorv, and Rådhuspladsen more than any other attractions. Those on a layover in Copenhagen interested in visiting Tivoli, Kongens Nytorv, or Rådhuspladsen can do so by traveling 5.3 mi, 5.1 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 $36 per day.

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

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 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 February 29, 2024.

Top 10 airlines flying from Chicago to London

Discover the top 10 airlines that operate flights from Chicago to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 3,314,962 searches. Data last updated February 29, 2024.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$253Average$782FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Scandinavian AirlinesCheapest$412Average$506FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
TAP AIR PORTUGALCheapest$490Average$842FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
IcelandairCheapest$501Average$828FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Aer LingusCheapest$532Average$700FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
United AirlinesCheapest$560Average$854FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest$568Average$722FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
IberiaCheapest$570Average$767FlexibilityNo cancel feeOn-time77%
Search Iberia flights
DeltaCheapest$582Average$824FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
FinnairCheapest$585Average$858FlexibilityNo cancel feeOn-time76%
Search Finnair flights