Flights from London to Chicago

Cheapest flights from London

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, May 14 - Mon, Sep 22

LHR

Heathrow

ORD

O'Hare Intl.

$572 Roundtrip, found 3 days ago

$572

Roundtrip

found 3 days ago

Select Icelandair flight, departing Wed, May 14 from Heathrow to O'Hare Intl., returning Mon, Sep 22, priced at $572 found 3 days ago

Tue, May 13 - Tue, Sep 23

LHR

Heathrow

ORD

O'Hare Intl.

$587 Roundtrip, found 3 days ago

$587

Roundtrip

found 3 days ago

Select British Airways flight, departing Tue, May 13 from Heathrow to O'Hare Intl., returning Tue, Sep 23, priced at $587 found 3 days ago

Mon, May 12 - Mon, Sep 22

LHR

Heathrow

ORD

O'Hare Intl.

$596 Roundtrip, found 3 days ago

$596

Roundtrip

found 3 days ago

Select Virgin Atlantic flight, departing Mon, May 12 from Heathrow to O'Hare Intl., returning Mon, Sep 22, priced at $596 found 3 days ago

Tue, May 13 - Tue, Sep 23

LHR

Heathrow

MDW

Midway Intl.

$624 Roundtrip, found 3 days ago

$624

Roundtrip

found 3 days ago

Select Delta flight, departing Tue, May 13 from Heathrow to Midway Intl., returning Tue, Sep 23, priced at $624 found 3 days ago

Tue, May 13 - Tue, Sep 23

LHR

Heathrow

ORD

O'Hare Intl.

$624 Roundtrip, found 3 days ago

$624

Roundtrip

found 3 days ago

Select Delta flight, departing Tue, May 13 from Heathrow to O'Hare Intl., returning Tue, Sep 23, priced at $624 found 3 days ago

Tue, May 13 - Tue, Sep 23

LHR

Heathrow

ORD

O'Hare Intl.

$676 Roundtrip, found 3 days ago

$676

Roundtrip

found 3 days ago

Select JetBlue Airways flight, departing Tue, May 13 from Heathrow to O'Hare Intl., returning Tue, Sep 23, priced at $676 found 3 days ago

Tue, May 13 - Tue, Sep 23

LHR

Heathrow

ORD

O'Hare Intl.

$721 Roundtrip, found 3 days ago

$721

Roundtrip

found 3 days ago

Select Swiss International Air Lines flight, departing Tue, May 13 from Heathrow to O'Hare Intl., returning Tue, Sep 23, priced at $721 found 3 days ago

Tue, May 13 - Tue, Sep 23

LHR

Heathrow

ORD

O'Hare Intl.

$722 Roundtrip, found 3 days ago

$722

Roundtrip

found 3 days ago

Select Austrian Airlines flight, departing Tue, May 13 from Heathrow to O'Hare Intl., returning Tue, Sep 23, priced at $722 found 3 days ago

Tue, May 13 - Tue, Sep 23

LHR

Heathrow

ORD

O'Hare Intl.

$725 Roundtrip, found 3 days ago

$725

Roundtrip

found 3 days ago

Select Lufthansa flight, departing Tue, May 13 from Heathrow to O'Hare Intl., returning Tue, Sep 23, priced at $725 found 3 days ago

Tue, May 13 - Tue, Sep 23

LHR

Heathrow

ORD

O'Hare Intl.

$727 Roundtrip, found 3 days ago

$727

Roundtrip

found 3 days ago

Select United flight, departing Tue, May 13 from Heathrow to O'Hare Intl., returning Tue, Sep 23, priced at $727 found 3 days ago

Tue, May 13 - Tue, Sep 23

LHR

Heathrow

ORD

O'Hare Intl.

$727 Roundtrip, found 3 days ago

$727

Roundtrip

found 3 days ago

Select Brussels Airlines flight, departing Tue, May 13 from Heathrow to O'Hare Intl., returning Tue, Sep 23, priced at $727 found 3 days ago

Tue, May 13 - Tue, Sep 23

LHR

Heathrow

ORD

O'Hare Intl.

$737 Roundtrip, found 3 days ago

$737

Roundtrip

found 3 days ago

Select KLM flight, departing Tue, May 13 from Heathrow to O'Hare Intl., returning Tue, Sep 23, priced at $737 found 3 days ago

Tue, May 13 - Tue, Sep 23

LHR

Heathrow

ORD

O'Hare Intl.

$754 Roundtrip, found 3 days ago

$754

Roundtrip

found 3 days ago

Select Air France flight, departing Tue, May 13 from Heathrow to O'Hare Intl., returning Tue, Sep 23, priced at $754 found 3 days ago

Tue, May 13 - Tue, Sep 23

LHR

Heathrow

ORD

O'Hare Intl.

$755 Roundtrip, found 3 days ago

$755

Roundtrip

found 3 days ago

Select Air Canada flight, departing Tue, May 13 from Heathrow to O'Hare Intl., returning Tue, Sep 23, priced at $755 found 3 days ago

Tue, May 13 - Tue, Sep 23

LHR

Heathrow

ORD

O'Hare Intl.

$755 Roundtrip, found 3 days ago

$755

Roundtrip

found 3 days ago

Select American Airlines flight, departing Tue, May 13 from Heathrow to O'Hare Intl., returning Tue, Sep 23, priced at $755 found 3 days ago

Tue, May 13 - Tue, Sep 23

LHR

Heathrow

ORD

O'Hare Intl.

$789 Roundtrip, found 3 days ago

$789

Roundtrip

found 3 days ago

Select Finnair flight, departing Tue, May 13 from Heathrow to O'Hare Intl., returning Tue, Sep 23, priced at $789 found 3 days ago

Tue, May 13 - Tue, Sep 23

LHR

Heathrow

ORD

O'Hare Intl.

$790 Roundtrip, found 3 days ago

$790

Roundtrip

found 3 days ago

Select Iberia flight, departing Tue, May 13 from Heathrow to O'Hare Intl., returning Tue, Sep 23, priced at $790 found 3 days ago

Tue, May 13 - Tue, Sep 23

LHR

Heathrow

ORD

O'Hare Intl.

$865 Roundtrip, found 3 days ago

$865

Roundtrip

found 3 days ago

Select Aer Lingus flight, departing Tue, May 13 from Heathrow to O'Hare Intl., returning Tue, Sep 23, priced at $865 found 3 days ago

Tue, May 13 - Tue, Sep 23

LHR

Heathrow

ORD

O'Hare Intl.

$924 Roundtrip, found 3 days ago

$924

Roundtrip

found 3 days ago

Select LOT-Polish Airlines flight, departing Tue, May 13 from Heathrow to O'Hare Intl., returning Tue, Sep 23, priced at $924 found 3 days ago

Tue, May 13 - Tue, Sep 23

LHR

Heathrow

ORD

O'Hare Intl.

$1,024 Roundtrip, found 3 days ago

$1,024

Roundtrip

found 3 days ago

Select Turkish Airlines flight, departing Tue, May 13 from Heathrow to O'Hare Intl., returning Tue, Sep 23, priced at $1,024 found 3 days ago