Flights from London to Chicago available from GBP 347*

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Our best rates from London to Chicago

*Fares displayed have been collected within the last 72hrs and may no longer be available at the time of booking

Fly in the next three months: flights from London to Chicago

GBP

London (LON)to

Chicago (ORD)
03 10 2025 - 07 10 2025
From
GBP 347
Round trip
Economy

London (LON)to

Chicago (ORD)
03 10 2025 - 05 10 2025
From
GBP 347
Round trip
Economy

London (LON)to

Chicago (ORD)
03 10 2025 - 08 10 2025
From
GBP 347
Round trip
Economy

London (LON)to

Chicago (ORD)
17 09 2025 - 03 10 2025
From
GBP 352
Round trip
Economy

London (LON)to

Chicago (ORD)
17 09 2025 - 30 09 2025
From
GBP 352
Round trip
Economy

London (LON)to

Chicago (ORD)
18 09 2025 - 30 09 2025
From
GBP 352
Round trip
Economy

London (LON)to

Chicago (ORD)
18 09 2025 - 05 10 2025
From
GBP 352
Round trip
Economy

London (LON)to

Chicago (ORD)
19 09 2025 - 03 10 2025
From
GBP 352
Round trip
Economy

London (LGW)to

Chicago (ORD)
02 10 2025 - 04 10 2025
From
GBP 346
Round trip
Economy

London (LGW)to

Chicago (ORD)
10 09 2025 - 18 09 2025
From
GBP 431
Round trip
Economy

*Fares displayed have been collected within the last 72hrs and may no longer be available at the time of booking. We display fares for Economy Light as standard but it is possible to change your class of service during the booking process. You can also add baggage, meals and extra legroom to your trip during booking.

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Plan ahead for your trip from London to Chicago with Icelandair

GBP
Plan ahead for your trip from London to Chicago with Icelandair
From
To
Fare type
Dates
Price
London (LON)Chicago (ORD)Round trip
/
Economy		06 03 2026 - 14 03 2026

From

GBP 373

Viewed 2 days ago

London (LON)Chicago (ORD)Round trip
/
Economy		06 03 2026 - 22 03 2026

From

GBP 373

Viewed 2 days ago

London (LON)Chicago (ORD)Round trip
/
Economy		06 03 2026 - 26 03 2026

From

GBP 373

Viewed 2 days ago

London (LON)Chicago (ORD)Round trip
/
Economy		07 03 2026 - 17 03 2026

From

GBP 373

Viewed 2 days ago

London (LON)Chicago (ORD)Round trip
/
Economy		07 03 2026 - 22 03 2026

From

GBP 373

Viewed 2 days ago

London (LON)Chicago (ORD)Round trip
/
Economy		07 03 2026 - 24 03 2026

From

GBP 373

Viewed 2 days ago

London (LON)Chicago (ORD)Round trip
/
Economy		02 03 2026 - 05 03 2026

From

GBP 373

Viewed 2 days ago

London (LON)Chicago (ORD)Round trip
/
Economy		02 03 2026 - 11 03 2026

From

GBP 373

Viewed 2 days ago

London (LON)Chicago (ORD)Round trip
/
Economy		02 03 2026 - 12 03 2026

From

GBP 373

Viewed 2 days ago

*Fares displayed have been collected within the last 72hrs and may no longer be available at the time of booking. We display fares for Economy Light as standard but it is possible to change your class of service during the booking process. You can also add baggage, meals and extra legroom to your trip during booking.

Flights to Chicago from London

For the best fares and an unparalleled flying experience, choose Icelandair to fly from London (LHR/LGW) to Chicago O’Hare (ORD). With hundreds of hours of in-flight entertainment and Wi-Fi access on most flights, your journey to the ‘Windy City’ will literally fly by.

 

FAQs about travel from London to Chicago

Helpful information for travellers visiting Chicago

How do you find cheap flights to Chicago from London?

To find cheap flights from London to Chicago, we recommend being flexible about when you fly as well as which airport you fly from.

We also advise checking our flight deals often and booking your holiday in advance to secure the best price.

What is the distance from London to Chicago O’ Hare?

The distance from London to Chicago O'Hare International Airport is approximately 3,950 miles (6,352 kilometres). But please note that the actual flight distance may differ based on the specific airline’s route and other factors.

What is the London to Chicago flight time?

The flight duration from London Heathrow to Chicago O’Hare International Airport (ORD) is roughly 8-9 hours non-stop.

This is the same for passengers flying to Chicago from London Gatwick. Please note that this does not account for any layovers you might have on your route.

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

The best time to fly to Chicago from London is undoubtedly during spring or autumn. Embrace the city's enchanting transformation seasons as nature simply shows off!

Witness a colourful tapestry of wonderous events, from cherry blossoms in full bloom to autumn foliage painting the city in gorgeous golden hues. Plus, the mild temperatures make strolling through iconic landmarks like Millennium Park and the Magnificent Mile an unforgettable joy.

Which airport will I go to when travelling from London to Chicago?

Passengers flying from London to Chicago with Icelandair can fly from London Heathrow Airport or London Gatwick Airport. Use the flight finder tool above to browse flights from your preferred airport.