Flights from London to Chicago available from GBP 490*

1 Passenger

Promo code

From

Departing

Returning

Our best rates from London to Chicago

From

Jul 2026

GBP 1,218*

Fare: Round trip/Economy

Aug 2026

GBP 512*

Fare: Round trip/Economy

Sep 2026

GBP 490*

Fare: Round trip/Economy

JUL

AUG

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

From

Budget

GBP

London (LHR)to

Chicago (ORD)

01 10 2026 - 08 10 2026

From

GBP 506

Round trip

Economy

London (LHR)to

Chicago (ORD)

07 09 2026 - 29 09 2026

From

GBP 511

Round trip

Economy

London (LHR)to

Chicago (ORD)

06 08 2026 - 09 08 2026

From

GBP 1,497

Round trip

Economy

London (LHR)to

Chicago (ORD)

27 08 2026 - 13 09 2026

From

GBP 539

Round trip

Economy

London (LON)to

Chicago (ORD)

02 10 2026 - 05 10 2026

From

GBP 505

Round trip

Economy

London (LON)to

Chicago (ORD)

02 10 2026 - 13 10 2026

From

GBP 505

Round trip

Economy

London (LON)to

Chicago (ORD)

02 10 2026 - 16 10 2026

From

GBP 505

Round trip

Economy

London (LON)to

Chicago (ORD)

07 10 2026 - 15 10 2026

From

GBP 505

Round trip

Economy

London (LON)to

Chicago (ORD)

07 10 2026 - 18 10 2026

From

GBP 505

Round trip

Economy

London (LON)to

Chicago (ORD)

07 10 2026 - 22 10 2026

From

GBP 505

Round trip

Economy

London (LON)to

Chicago (ORD)

07 10 2026 - 06 11 2026

From

GBP 505

Round trip

Economy

London (LON)to

Chicago (ORD)

07 10 2026 - 07 11 2026

From

GBP 505

Round trip

Economy

*Fares displayed have been collected within the last 72 hours 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.

Plan ahead for your trip from London to Chicago with Icelandair

From

Budget

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	01 02 2027 - 01 03 2027	From GBP 505 Viewed 11 hrs ago
London (LON)	Chicago (ORD)	Round trip / Economy	01 02 2027 - 03 03 2027	From GBP 505 Viewed 11 hrs ago
London (LON)	Chicago (ORD)	Round trip / Economy	29 01 2027 - 31 01 2027	From GBP 505 Viewed 11 hrs ago
London (LON)	Chicago (ORD)	Round trip / Economy	29 01 2027 - 05 02 2027	From GBP 505 Viewed 11 hrs ago
London (LON)	Chicago (ORD)	Round trip / Economy	29 01 2027 - 09 02 2027	From GBP 505 Viewed 11 hrs ago
London (LON)	Chicago (ORD)	Round trip / Economy	29 01 2027 - 11 02 2027	From GBP 505 Viewed 11 hrs ago
London (LON)	Chicago (ORD)	Round trip / Economy	29 01 2027 - 12 02 2027	From GBP 505 Viewed 11 hrs ago
London (LON)	Chicago (ORD)	Round trip / Economy	29 01 2027 - 14 02 2027	From GBP 505 Viewed 11 hrs ago
London (LON)	Chicago (ORD)	Round trip / Economy	29 01 2027 - 22 02 2027	From GBP 505 Viewed 11 hrs ago

From

Fare type

Dates

Price

London (LON)

Chicago (ORD)

Round trip

Economy

01 02 2027 - 01 03 2027

From

GBP 505

Viewed 11 hrs ago

London (LON)

Chicago (ORD)

Round trip

Economy

01 02 2027 - 03 03 2027

From

GBP 505

Viewed 11 hrs ago

London (LON)

Chicago (ORD)

Round trip

Economy

29 01 2027 - 31 01 2027

From

GBP 505

Viewed 11 hrs ago

London (LON)

Chicago (ORD)

Round trip

Economy

29 01 2027 - 05 02 2027

From

GBP 505

Viewed 11 hrs ago

London (LON)

Chicago (ORD)

Round trip

Economy

29 01 2027 - 09 02 2027

From

GBP 505

Viewed 11 hrs ago

London (LON)

Chicago (ORD)

Round trip

Economy

29 01 2027 - 11 02 2027

From

GBP 505

Viewed 11 hrs ago

London (LON)

Chicago (ORD)

Round trip

Economy

29 01 2027 - 12 02 2027

From

GBP 505

Viewed 11 hrs ago

London (LON)

Chicago (ORD)

Round trip

Economy

29 01 2027 - 14 02 2027

From

GBP 505

Viewed 11 hrs ago

London (LON)

Chicago (ORD)

Round trip

Economy

29 01 2027 - 22 02 2027

From

GBP 505

Viewed 11 hrs 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.