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 flights that do include stopovers, travelers typically encounter a median of 2 stopovers. This data reflects patterns observed over a 90-day period, indicating that a significant portion of flights on this route involve connections.

What's the flight time from Chicago to London?

The typical direct flight time from Chicago to London is approximately 8 hours and 10 minutes, covering a distance of 6365 kilometers. For flights with one stop, the median flight duration extends to about 13 hours and 25 minutes. This represents a substantial increase in travel time compared to non-stop options.

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. The median price for a direct flight was $1178, while connecting flights had a median price of $1099. Direct flights constituted approximately 31.9% of the total flights observed across the trailing 90 days. This indicates a moderate 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 2 days ago

405 airlines compared

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Fares are subject to change and may not be available for all dates. (Data last updated Jul 26, 2026.)

Today’s best flight deals from Chicago to London

Explore current cheapest deals departing from Chicago to London

2026-11-03 – 2026-11-09
CHI - London
89% AI deal score
$677
$517
Round trip
2026-10-23 – 2026-10-30
CHI - London
91% AI deal score
$754
$523
Round trip
2026-11-08 – 2026-11-13
CHI - London
89% AI deal score
$693
$523
Round trip
2026-08-10 – 2026-08-26
CHI - London
89% AI deal score
$824
$524
Round trip
2026-11-26 – 2026-11-30
CHI - London
90% AI deal score
$710
$524
Round trip
2026-12-12 – 2026-12-17
CHI - London
92% AI deal score
$891
$532
Round trip
2026-11-12 – 2026-11-17
CHI - London
89% AI deal score
$702
$533
Round trip
2026-11-18 – 2026-11-30
CHI - London
84% AI deal score
$640
$536
Round trip
2026-08-17 – 2026-08-26
CHI - London
89% AI deal score
$858
$539
Round trip
2026-10-23 – 2026-10-25
CHI - London
91% AI deal score
$780
$540
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, this median duration accounts for layovers. For those seeking direct flights from Chicago to London, the non-stop flight time is also approximately 8h 10m, while connecting flights typically extend to around 16h 0m.

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

When is the cheapest time to fly from Chicago to London? The data shows that February is typically the most affordable month, 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.

Most itineraries for flights from Chicago to London connect at least once, with only 28% of recent fares being non-stop. For connecting itineraries, the typical number of connections is 2. This means you will likely encounter one or more stops on your journey.

The distance between Chicago and London is approximately 6365 kilometers, classifying this as a long-haul flight. This considerable distance means that flights typically involve extended travel times, often crossing multiple time zones.

How much is a round trip from Chicago to London

Regular price: $580 - $1,024

Prices are currently below the regular range.

The regular price range for flights from Chicago to London is $580-$1024. The current lowest deal is $517 with Icelandair for travel from Nov 3-Nov 9.

now $517

Low $580

High $1,024

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

Fri, Aug 7

⌛ Last-Minute

RFD - London

Chicago (RFD) - London (LGW)

Allegiant Air

$832

$593

One-way

Fri, Aug 7

⌛ Last-Minute

RFD - London

Chicago (RFD) - London (LGW)

Allegiant Air

$825

$593

One-way

Sat, Aug 8

⌛ Last-Minute

MDW - London

Chicago (MDW) - London (LGW)

Frontier Airlines

$932

$629

One-way

Sat, Aug 8

⌛ Last-Minute

MDW - London

Chicago (MDW) - London (LGW)

Frontier Airlines

$932

$629

One-way

Mon, Aug 10

⌛ Last-Minute

RFD - London

Chicago (RFD) - London (LGW)

Allegiant Air

$823

$524

One-way

Mon, Aug 10

⌛ Last-Minute

RFD - London

Chicago (RFD) - London (LGW)

Allegiant Air

$813

$587

One-way

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

5 nights

Dec 12 - Dec 17

$888 → $532

40%

9 nights

Aug 17 - Aug 26

$860 → $539

37%

17 nights

Aug 8 - Aug 25

$932 → $629

32%

18 nights

Aug 8 - Aug 26

$932 → $629

33%

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 deals around $517.

📅 Best time to fly

March is historically cheapest at $457

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

⏱️ Flight duration

Direct flights take 8h 10m

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

✈️ Airlines & availability

Connecting flights are dominant

Only 28% of recent flights from Chicago to London are direct, with connecting flights dominant.

🏆 Airline highlight

British Airways offers direct flights

British Airways is one airline that offers direct flights for the Chicago to London route.

🎯 Booking tip

Deals appear frequently

Deals for flights from Chicago to London appear frequently, offering many opportunities to save.

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 (reachable by car or train)

💸 Flights from ~$466

London main airports to arrive at

Gatwick (LGW)

Cheapest

Gatwick is a good option for flights from Chicago to London, with prices starting from $592.

📍 ~40 km from London city center (reachable by car)

💸 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 direct train)

💸 Flights from ~$553

Business & First Class Flight Deals to London

91% AI deal score

$4,143

$2,727

Save $1,416

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 90-day trailing period.

A flight from Chicago to London is generally considered a good deal if the price is at or below $928. This threshold represents the 25th percentile of prices observed across the trailing 90 days. The median price for this route during the same period was $1087, with prices at the 75th percentile reaching $1348. Travelers can use these figures to gauge the value of available fares.

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 significantly lower than the annual median price of $1087 for this route. Travelers looking for more affordable fares should consider these months based on data from the trailing 270 days.

Chicago to London: Overview

Insights for flights from Chicago to London

How much is a round trip from Chicago to London

Regular price: $580 - $1,024

Prices are currently below the regular range.

The regular price range for flights from Chicago to London is $580-$1024. The current lowest deal is $517 with Icelandair for travel from Nov 3-Nov 9.

now $517

Low $580

High $1,024

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