How many flights from Chicago to London are non-stop?

Across the trailing quarter, approximately 28% of flights from Chicago to London were non-stop. For travelers who opt for connecting flights, the median number of stopovers observed was 2. This data reflects flight patterns over a 90-day period. While direct options are available, a significant portion of routes involve at least one stop.

What's the flight time from Chicago to London?

The typical direct flight from Chicago to London has a median duration of 8 hours and 10 minutes, covering a distance of 6365 kilometers. For flights with one stop, the median flight time increases to 13 hours and 25 minutes. This difference highlights the convenience of non-stop options for this route. Travelers should factor in these durations when planning their journey.

How much more do direct flights from Chicago to London cost?

Historically, direct flights from Chicago to London cost approximately 7% more than connecting flights. The median price for a direct flight was $1178, while connecting flights had a median price of $1099. Direct flights accounted for about 31.9% of all observed routes in the trailing 90 days. This indicates a slight premium for the convenience of a non-stop journey.

Flights From Chicago

To London

Cheap Flights from Chicago to London

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Deals from

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Prices updated 1 day ago

461 airlines compared

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Fares are subject to change and may not be available for all dates. (Data last updated Sep 14, 2026.)

Today’s best flight deals from Chicago to London

Explore current cheapest deals departing from Chicago to London

2026-11-09 – 2026-11-16
CHI - London
81% AI deal score
$597
$537
Round trip
2027-02-21 – 2027-02-26
CHI - London
78% AI deal score
$675
$580
Round trip
2027-02-25 – 2027-02-28
CHI - London
79% AI deal score
$695
$634
Round trip
2026-11-03 – 2026-11-13
CHI - London
76% AI deal score
$619
$634
Round trip
2026-11-03 – 2026-11-11
CHI - London
76% AI deal score
$582
$635
Round trip
2026-11-03 – 2026-11-17
CHI - London
76% AI deal score
$575
$635
Round trip
2027-02-24 – 2027-02-28
CHI - London
75% AI deal score
$599
$635
Round trip
2026-11-09 – 2026-11-17
CHI - London
76% AI deal score
$586
$635
Round trip
2026-11-24 – 2026-12-06
CHI - London
73% AI deal score
$581
$636
Round trip
2026-11-24 – 2026-12-11
CHI - London
73% AI deal score
$580
$636
Round trip

Chicago to London: Overview

Insights for flights from Chicago to London

A typical journey from Chicago to London takes about 8h 10m, including connections. Given that most itineraries for this route connect at least once, this median reflects the overall travel time you can expect. For connecting flights specifically, the median journey time extends to 16h 0m.

For travelers seeking cheap flights from Chicago to London, prices typically range from $928–$1348, with a median of $1087. Right now, fares are below the typical level. Approximately 21% of recent fares from Chicago to London were classified as a good price, indicating some opportunities for savings.

When considering the cheapest time to fly from Chicago to London, February stands out with a median fare of $413. Other cost-effective months include April, with a median fare of $718, and December, where the median fare is $746. These months offer more budget-friendly options compared to the overall typical fare.

Most itineraries for flights from Chicago to London connect at least once, with only 28% of recent fares being non-stop. For connecting flights, the typical number of stopovers is 2. This means that if you are flying this route, you will likely have at least one stop on your journey.

The distance between Chicago and London is approximately 6365 kilometers, classifying this as a long-haul route. This considerable distance typically involves extended flight times and often includes connecting itineraries.

How much is a round trip from Chicago to London

Regular price: $561 - $1,601

Prices are currently below the regular range.

The regular price range for flights from Chicago to London is $561 to $1601. The current lowest deal is $525 with Icelandair for travel from Nov 13-Nov 21.

now $525

Low $561

High $1,601

The cheapest time to fly from Chicago to London

The cheapest month to fly from Chicago to London is March, with a median price of $457. The most expensive month is June, with a median price of $1505. Prices are generally lower from January to December.

March

Cheapest

Flights from $457

June

Most Expensive

Flights from $1,505

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Chicago to London

British Airways

Last-minute flights going from Chicago to London

Tue, Oct 20

⌛ Last-Minute

ORD - London

Chicago (ORD) - London (LGW)

Icelandair

$734

$578

One-way

Tue, Nov 3

⌛ Last-Minute

ORD - London

Chicago (ORD) - London (LTN)

Icelandair

$613

$564

One-way

Tue, Nov 3

⌛ Last-Minute

ORD - London

Chicago (ORD) - London (LTN)

Icelandair

$661

$568

One-way

Tue, Nov 3

⌛ Last-Minute

ORD - London

Chicago (ORD) - London (LTN)

Icelandair

$609

$571

One-way

Wed, Nov 4

⌛ Last-Minute

ORD - London

Chicago (ORD) - London (LTN)

Icelandair

$617

$570

One-way

Sun, Nov 8

⌛ Last-Minute

ORD - London

Chicago (ORD) - London (LTN)

Icelandair

$647

$535

One-way

Biggest price drops on these dates for flights from Chicago to London

7 nights

Mar 24 - Mar 31

$1,075 → $748

30%

10 nights

Mar 31 - Apr 10

$1,085 → $802

26%

3 nights

Dec 10 - Dec 13

$815 → $545

33%

7 nights

Mar 23 - Mar 30

$967 → $702

27%

Popular Airports to fly from Chicago to London

Chicago - London route insights

💸 Price insights

Recent fares are below the typical level

Recent fares from Chicago to London are below the typical level at $525.

📅 Best time to fly

February is historically cheapest

Historically, February is the cheapest month to fly, with a median price of $413.

⏱️ Flight duration

Direct flights average 8h 10m

Direct flights from Chicago to London typically average 8h 10m, connecting flights average 16h 0m.

✈️ Airlines & availability

Connecting flights are dominant

Connecting flights are dominant on this route, making up 72% of recent fares.

🏆 Airline highlight

British Airways offers direct flights

British Airways is one airline that offers direct flights from Chicago to London.

🎯 Booking tip

Deals are frequent on this route

Deals from Chicago to London are frequent, appearing in the market often.

Chicago main airports to depart from

O Hare International (ORD)

Cheapest

O'Hare International Airport offers a wide selection of flights from Chicago to London.

📍 ~25 km from Chicago city center (reachable by car or train).

💸 Flights from ~$540

Chicago Midway International (MDW)

Chicago Midway International Airport is a convenient option for flights from Chicago to London.

📍 ~14 km from Chicago city center (reachable by car or train).

💸 Flights from ~$774

Chicago Rockford International (RFD)

Chicago Rockford International Airport is an alternative for flights from Chicago to London.

📍 ~126 km from Chicago city center (reachable by car).

💸 Flights from ~$753

London main airports to arrive at

Heathrow (LHR)

Cheapest

Heathrow Airport is a major hub for flights from Chicago to London, offering many connections.

📍 ~23 km from London city center (reachable by car, train, or bus)

💸 Flights from ~$287

Airports nearby London used as alternative

Birmingham (BHX)

Cheapest

Birmingham Airport is a major international hub and a reliable alternative when London airports are congested.

📍 ~160 km from London (reachable by direct train)

💸 Flights from ~$670

Business & First Class Flight Deals to London

$15,503

Save $5,980

Swiss International Air Lines

Business Class

From ORD

Elite

Dec 06

London, United Kingdom

91% AI deal score

$3,790

$2,515

Save $1,275

Icelandair

Business Class

From ORD

Elite

Dec 02

London, United Kingdom

91% AI deal score

$3,766

$2,515

Save $1,251

Icelandair

Business Class

From ORD

Elite

Dec 02

London, United Kingdom

91% AI deal score

$3,766

$2,515

Save $1,251

Icelandair

Business Class

From ORD

Elite

Dec 08

London, United Kingdom

91% AI deal score

$3,762

$2,515

Save $1,247

Icelandair

Business Class

From ORD

Elite

Dec 06

London, United Kingdom

91% AI deal score

$3,793

$2,515

Save $1,278

Icelandair

Business Class

From ORD

Elite

Dec 02

London, United Kingdom

91% AI deal score

$3,709

$2,515

Save $1,194

Icelandair

Business Class

From ORD

Elite

Dec 06

London, United Kingdom

91% AI deal score

$3,778

$2,515

Save $1,263

Icelandair

Business Class

Frequently Asked Questions About Flights to London

Historically, the optimal booking window for flights from Chicago to London is typically 7-13 days before departure. During this period, the average price observed was $808. Prices tend to be higher outside this window, with flights booked 0-6 days out averaging $1224 and those booked 28-59 days out averaging $1295. These trends are based on data collected across a trailing 90-day period.

A good deal for a flight from Chicago to London is considered to be $928 or less. This threshold is based on historical pricing data from the trailing 90 days, representing the 25th percentile of prices observed. The median price for this route across the same period was $1087, with prices at the 75th percentile reaching $1348. Therefore, any price at or below $928 indicates a favorable fare.

Historically, the cheapest months to fly from Chicago to London include February, with a median price of $413, and April, with a median price of $718. December also shows a median price of $746. These figures are based on data collected over a 270-day window, with the annual median price for this route being $1087. Travelers looking for lower fares may find these months more economical.

Chicago to London: Overview

Insights for flights from Chicago to London

How much is a round trip from Chicago to London

Regular price: $561 - $1,601

Prices are currently below the regular range.

The regular price range for flights from Chicago to London is $561 to $1601. The current lowest deal is $525 with Icelandair for travel from Nov 13-Nov 21.

now $525

Low $561

High $1,601

The cheapest time to fly from Chicago to London

March

Cheapest

Flights from $457

June

Most Expensive

Flights from $1,505

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Chicago to London

British Airways

Last-minute flights going from Chicago to London

Tue, Oct 20

⌛ Last-Minute

ORD - London

Chicago (ORD) - London (LGW)

Icelandair

$734

$578

One-way

Tue, Nov 3

⌛ Last-Minute

ORD - London

Chicago (ORD) - London (LTN)

Icelandair

$613

$564

One-way

Tue, Nov 3

⌛ Last-Minute

ORD - London

Chicago (ORD) - London (LTN)

Icelandair

$661

$568

One-way

Tue, Nov 3

⌛ Last-Minute

ORD - London

Chicago (ORD) - London (LTN)

Icelandair

$609

$571

One-way

Wed, Nov 4

⌛ Last-Minute

ORD - London

Chicago (ORD) - London (LTN)

Icelandair

$617

$570

One-way

Sun, Nov 8

⌛ Last-Minute

ORD - London

Chicago (ORD) - London (LTN)

Icelandair

$647

$535

One-way

Biggest price drops on these dates for flights from Chicago to London

7 nights

Mar 24 - Mar 31

$1,075 → $748

30%

10 nights

Mar 31 - Apr 10

$1,085 → $802

26%

3 nights

Dec 10 - Dec 13

$815 → $545

33%

7 nights

Mar 23 - Mar 30

$967 → $702

27%

Popular Airports to fly from Chicago to London

Chicago - London route insights

💸 Price insights

Recent fares are below the typical level

Recent fares from Chicago to London are below the typical level at $525.

📅 Best time to fly

February is historically cheapest

Historically, February is the cheapest month to fly, with a median price of $413.

⏱️ Flight duration

Direct flights average 8h 10m

Direct flights from Chicago to London typically average 8h 10m, connecting flights average 16h 0m.

✈️ Airlines & availability

Connecting flights are dominant

Connecting flights are dominant on this route, making up 72% of recent fares.

🏆 Airline highlight

British Airways offers direct flights

British Airways is one airline that offers direct flights from Chicago to London.

🎯 Booking tip

Deals are frequent on this route

Deals from Chicago to London are frequent, appearing in the market often.

Chicago main airports to depart from

O Hare International (ORD)

Cheapest

O'Hare International Airport offers a wide selection of flights from Chicago to London.

📍 ~25 km from Chicago city center (reachable by car or train).

💸 Flights from ~$540

Chicago Midway International (MDW)

Chicago Midway International Airport is a convenient option for flights from Chicago to London.

📍 ~14 km from Chicago city center (reachable by car or train).

💸 Flights from ~$774

Chicago Rockford International (RFD)

Chicago Rockford International Airport is an alternative for flights from Chicago to London.

📍 ~126 km from Chicago city center (reachable by car).

💸 Flights from ~$753

London main airports to arrive at

Heathrow (LHR)

Cheapest

Heathrow Airport is a major hub for flights from Chicago to London, offering many connections.

📍 ~23 km from London city center (reachable by car, train, or bus)

💸 Flights from ~$287

Airports nearby London used as alternative

Birmingham (BHX)

Cheapest

Birmingham Airport is a major international hub and a reliable alternative when London airports are congested.

London, United Kingdom

91% AI deal score

$3,778

$2,515

Save $1,263

Icelandair

Business Class

Frequently Asked Questions About Flights to London

Cheap Flights from Chicago to London

Today’s best flight deals from Chicago to London

Chicago to London: Overview

Insights for flights from Chicago to London

How much is a round trip from Chicago to London

The cheapest time to fly from Chicago to London

Direct flights from Chicago to London

Last-minute flights going from Chicago to London

Biggest price drops on these dates for flights from Chicago to London

Popular Airports to fly from Chicago to London

Chicago - London route insights

Recent fares are below the typical level

February is historically cheapest

Direct flights average 8h 10m

Connecting flights are dominant

British Airways offers direct flights

Deals are frequent on this route

Chicago main airports to depart from

London main airports to arrive at

Airports nearby London used as alternative

Business & First Class Flight Deals to London

Best Elite deals to London

Dec 13

Dec 06

Dec 06

Dec 30

Oct 28

Dec 06

Dec 02

Dec 02

Dec 08

Dec 06

Dec 02

Dec 06

Frequently Asked Questions About Flights to London

When should I buy Chicago to London tickets?

How do I know if a Chicago to London flight is a good deal?

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

How many flights from Chicago to London are non-stop?

What's the flight time from Chicago to London?

How much more do direct flights from Chicago to London cost?

Related routes

More routes from Chicago

Flights to London from other cities

Chicago to London: Overview

Insights for flights from Chicago to London

How much is a round trip from Chicago to London

The cheapest time to fly from Chicago to London

Direct flights from Chicago to London

Last-minute flights going from Chicago to London

Biggest price drops on these dates for flights from Chicago to London

Popular Airports to fly from Chicago to London

Chicago - London route insights

Recent fares are below the typical level

February is historically cheapest

Direct flights average 8h 10m

Connecting flights are dominant

British Airways offers direct flights

Deals are frequent on this route

Chicago main airports to depart from

London main airports to arrive at

Airports nearby London used as alternative

Business & First Class Flight Deals to London

Best Elite deals to London

Dec 13

Dec 06

Dec 06

Dec 30

Oct 28

Dec 06

Dec 02

Dec 02

Dec 08

Dec 06

Dec 02

Dec 06

Frequently Asked Questions About Flights to London

When should I buy Chicago to London tickets?

How do I know if a Chicago to London flight is a good deal?

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