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

In the trailing 90 days, approximately 28% of flights from Chicago to London were non-stop. For travelers opting for connecting flights, the median number of stopovers was 2. This suggests that while direct options are available, a significant portion of routes involve at least one stop. Travelers should consider this when planning their journey.

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 significantly to 13 hours and 25 minutes. This difference of over 5 hours highlights the efficiency of choosing a non-stop option when available.

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

Historically, direct flights from Chicago to London typically cost about 7% more than connecting flights. Over the trailing 90 days, the median price for a direct flight was $1178, while connecting flights had a median price of $1099. Direct flights represented approximately 31.9% of all available options during this period. This premium reflects the convenience of a non-stop journey.

Flights From Chicago

To London

Cheap Flights from Chicago to London

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Deals from

Chicago

RatePunk searches hundreds of travel sites at once for deals on flights to London

Prices updated 14 days ago

406 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Aug 2, 2026.)

Today’s best flight deals from Chicago to London

Explore current cheapest deals departing from Chicago to London

2026-11-17 – 2026-11-26
CHI - London
76% AI deal score
$642
$593
Round trip
2026-10-01 – 2026-10-12
CHI - London
77% AI deal score
$699
$597
Round trip
2026-11-02 – 2026-11-11
CHI - London
75% AI deal score
$626
$601
Round trip
2026-10-01 – 2026-10-11
CHI - London
78% AI deal score
$701
$603
Round trip
2026-10-08 – 2026-10-15
CHI - London
73% AI deal score
$583
$607
Round trip
2026-10-20 – 2026-10-28
CHI - London
77% AI deal score
$721
$608
Round trip
2026-10-02 – 2026-10-16
CHI - London
76% AI deal score
$698
$608
Round trip
2026-11-18 – 2026-11-24
CHI - London
76% AI deal score
$654
$609
Round trip
2026-10-14 – 2026-10-28
CHI - London
74% AI deal score
$560
$610
Round trip
2026-11-06 – 2026-11-15
CHI - London
75% AI deal score
$630
$610
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 connect at least once, you can expect a median connecting flight time of 16h 0m, while non-stop flights have a median duration of 8h 10m. This route covers a distance of 6365 km, classifying it as a long-haul flight.

For travelers looking for cheap flights from Chicago to London, right now, fares typically range from $928–$1348, with a median of $1087. Current fares are below the typical level, and about 21% of recent fares were classified as a good price. New deals appear almost daily, offering frequent opportunities to find favorable prices.

When is the cheapest time to fly from Chicago to London? The data indicates that February is typically the most affordable month, with a median fare of $413. Following closely are April, with a median fare of $718, and December, where the median fare is $746. Planning your trip during these months could lead to significant savings.

Regarding direct flights from Chicago to London, only 28% of recent itineraries are non-stop. This means most itineraries connect at least once, with the typical connecting flight involving 2 stopovers. If you prioritize a non-stop journey, you may need to be flexible with your travel dates or booking window to secure one.

How much is a round trip from Chicago to London

Regular price: $506 - $1,183

Prices for flights from Chicago to London are currently within the regular range.

The regular price range for flights from Chicago to London is between $506 and $1183. The current lowest deal is $607 with Icelandair for travel from Oct 4-Oct 14.

now $607

Low $506

High $1,183

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

Thu, Aug 6

⌛ Last-Minute

ORD - London

Chicago (ORD) - London (LGW)

Frontier Airlines

$905

$670

One-way

Fri, Aug 7

⌛ Last-Minute

RFD - London

Chicago (RFD) - London (LGW)

Allegiant Air

$914

$630

One-way

Sun, Aug 16

⌛ Last-Minute

RFD - London

Chicago (RFD) - London (LGW)

Allegiant Air

$854

$663

One-way

Sun, Aug 16

⌛ Last-Minute

MDW - London

Chicago (MDW) - London (LGW)

Frontier Airlines

$987

$683

One-way

Sun, Aug 16

⌛ Last-Minute

ORD - London

Chicago (ORD) - London (STN)

Icelandair

$948

$737

One-way

Sun, Aug 16

⌛ Last-Minute

MDW - London

Chicago (MDW) - London (LGW)

Frontier Airlines

$1,127

$819

One-way

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

3 nights

Aug 15 - Aug 18

$1,319 → $820

38%

2 nights

Aug 15 - Aug 17

$1,335 → $908

32%

2 nights

Aug 16 - Aug 18

$1,313 → $919

30%

4 nights

Aug 14 - Aug 18

$1,212 → $841

31%

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, with 21% good prices.

📅 Best time to fly

Fly in March for the best prices

Historically, March is the cheapest month to fly, with a median price of $457.

⏱️ Flight duration

Direct flights average 8h 10m

The typical direct flight from Chicago to London takes 8h 10m.

✈️ Airlines & availability

Connecting flights are common

28% of recent fares are for direct flights; connecting flights typically have 2 stopovers.

🏆 Airline highlight

British Airways offers direct flights

British Airways is one airline offering direct flights on the Chicago to London route.

🎯 Booking tip

Deals appear frequently

Deals from Chicago to London appear frequently, with many options in the last 30 days.

Chicago main airports to depart from

O Hare International (ORD)

Cheapest

O'Hare International Airport is a major hub, offering many flight options to London.

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

💸 Flights from ~$466

Chicago Midway International (MDW)

Chicago Midway International Airport provides another convenient option for flights from Chicago to London.

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

💸 Flights from ~$573

Chicago Rockford International (RFD)

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

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

💸 Flights from ~$572

London main airports to arrive at

Gatwick (LGW)

Cheapest

Gatwick Airport offers a convenient arrival option for flights from Chicago to London.

📍 ~40 km from London city center (reachable by car, bus, or train).

💸 Flights from ~$592

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 train)

💸 Flights from ~$543

Business & First Class Flight Deals to London

Discover luxury on the budget with premium cabin class on flights from Chicago to London.

Elite

Best Elite deals to London

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From ORD

Elite

Sep 08

London, United Kingdom

92% AI deal score

$23,915

$15,737

Save $8,178

Swiss International Air Lines

Business Class

From ORD

Elite

Oct 27

London, United Kingdom

91% AI deal score

$3,727

$2,546

Save $1,181

Icelandair

Business Class

From ORD

Elite

Oct 29

London, United Kingdom

91% AI deal score

$3,747

$2,596

Save $1,151

Icelandair

Business Class

From ORD

Elite

Dec 09

London, United Kingdom

91% AI deal score

$4,158

$2,724

Save $1,434

Icelandair

Business Class

From ORD

Elite

Dec 07

London, United Kingdom

91% AI deal score

$4,158

$2,724

Save $1,434

Icelandair

Business Class

From ORD

Elite

Dec 08

London, United Kingdom

91% AI deal score

$4,452

$2,729

Save $1,723

Icelandair

Business Class

From ORD

Elite

Dec 08

London, United Kingdom

91% AI deal score

$4,139

$2,730

Save $1,409

Icelandair

Business Class

From ORD

Elite

Dec 08

London, United Kingdom

91% AI deal score

$4,158

$2,730

Save $1,428

Icelandair

Business Class

From ORD

Elite

Dec 07

London, United Kingdom

91% AI deal score

$4,139

$2,730

Save $1,409

Icelandair

Business Class

From ORD

Elite

Dec 12

London, United Kingdom

91% AI deal score

$4,158

$2,780

Save $1,378

Icelandair

Business Class

From ORD

Elite

Dec 06

London, United Kingdom

91% AI deal score

$4,150

$2,780

Save $1,370

Icelandair

Business Class

From ORD

Elite

Dec 16

London, United Kingdom

91% AI deal score

$4,475

$2,884

Save $1,591

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 over a 90-day period, indicating that last-minute bookings can still offer better value than very early purchases.

Across the trailing quarter, a good deal for a flight from Chicago to London is considered to be $928 or less. This threshold represents the 25th percentile of prices observed over a 90-day period. The median price for this route was $1087, with 75% of prices falling below $1348. Therefore, if you find a fare at or below $928, it is historically a favorable price.

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 showed a median price of $746. These figures are based on data collected over a 270-day period. The annual median price for this route was $1087, indicating significant savings are possible by traveling during these months.

Chicago to London: Overview

Insights for flights from Chicago to London

How much is a round trip from Chicago to London

Regular price: $506 - $1,183

Prices for flights from Chicago to London are currently within the regular range.

The regular price range for flights from Chicago to London is between $506 and $1183. The current lowest deal is $607 with Icelandair for travel from Oct 4-Oct 14.

now $607

Low $506

High $1,183

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

Thu, Aug 6

⌛ Last-Minute

ORD - London

Chicago (ORD) - London (LGW)

Frontier Airlines

$905

$670

One-way

Fri, Aug 7

⌛ Last-Minute

RFD - London

Chicago (RFD) - London (LGW)

Allegiant Air

$914

$630

One-way

Sun, Aug 16

⌛ Last-Minute

RFD - London

Chicago (RFD) - London (LGW)

Allegiant Air

$854

$663

One-way

Sun, Aug 16

⌛ Last-Minute

MDW - London

Chicago (MDW) - London (LGW)

Frontier Airlines

$987

$683

One-way

Sun, Aug 16

⌛ Last-Minute

ORD - London

Chicago (ORD) - London (STN)

Icelandair

$948

$737

One-way

Sun, Aug 16

⌛ Last-Minute

MDW - London

Chicago (MDW) - London (LGW)

Frontier Airlines

$1,127

$819

One-way

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

3 nights

Aug 15 - Aug 18

$1,319 → $820

38%

2 nights

Aug 15 - Aug 17

$1,335 → $908

32%

2 nights

Aug 16 - Aug 18

$1,313 → $919

30%

4 nights

Aug 14 - Aug 18

$1,212 → $841

31%

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, with 21% good prices.

📅 Best time to fly

Fly in March for the best prices

Historically, March is the cheapest month to fly, with a median price of $457.

⏱️ Flight duration

Direct flights average 8h 10m

The typical direct flight from Chicago to London takes 8h 10m.

✈️ Airlines & availability

Connecting flights are common

28% of recent fares are for direct flights; connecting flights typically have 2 stopovers.

🏆 Airline highlight

British Airways offers direct flights

British Airways is one airline offering direct flights on the Chicago to London route.

🎯 Booking tip

Deals appear frequently

Deals from Chicago to London appear frequently, with many options in the last 30 days.

Chicago main airports to depart from

O Hare International (ORD)

Cheapest

O'Hare International Airport is a major hub, offering many flight options to London.

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

💸 Flights from ~$466

Chicago Midway International (MDW)

Chicago Midway International Airport provides another convenient option for flights from Chicago to London.

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

💸 Flights from ~$573

Chicago Rockford International (RFD)

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

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

💸 Flights from ~$572

London main airports to arrive at

Gatwick (LGW)

Cheapest

Gatwick Airport offers a convenient arrival option for flights from Chicago to London.

📍 ~40 km from London city center (reachable by car, bus, or train).

💸 Flights from ~$592

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

$4,475

$2,884

Save $1,591

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

Fly in March for the best prices

Direct flights average 8h 10m

Connecting flights are common

British Airways offers direct flights

Deals appear frequently

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

Sep 08

Oct 27

Oct 29

Dec 09

Dec 07

Dec 08

Dec 08

Dec 08

Dec 07

Dec 12

Dec 06

Dec 16

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

Fly in March for the best prices

Direct flights average 8h 10m

Connecting flights are common

British Airways offers direct flights

Deals appear frequently

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

Sep 08

Oct 27

Oct 29

Dec 09

Dec 07

Dec 08

Dec 08

Dec 08

Dec 07

Dec 12

Dec 06

Dec 16

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?