Flights from Chicago to Ardington

Cheapest flights from Chicago

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, Sep 3 - Mon, Sep 15

ORD

O'Hare Intl.

LHR

Heathrow

$579 Roundtrip, found 3 days ago

$579

Roundtrip

found 3 days ago

Select American Airlines flight, departing Wed, Sep 3 from O'Hare Intl. to Heathrow, returning Mon, Sep 15, priced at $579 found 3 days ago

Wed, Sep 3 - Mon, Sep 15

ORD

O'Hare Intl.

LHR

Heathrow

$580 Roundtrip, found 3 days ago

$580

Roundtrip

found 3 days ago

Select British Airways flight, departing Wed, Sep 3 from O'Hare Intl. to Heathrow, returning Mon, Sep 15, priced at $580 found 3 days ago

Wed, Sep 24 - Fri, Oct 3

ORD

O'Hare Intl.

LHR

Heathrow

$583 Roundtrip, found 2 days ago

$583

Roundtrip

found 2 days ago

Select Icelandair flight, departing Wed, Sep 24 from O'Hare Intl. to Heathrow, returning Fri, Oct 3, priced at $583 found 2 days ago

Wed, Sep 3 - Mon, Sep 15

ORD

O'Hare Intl.

LHR

Heathrow

$602 Roundtrip, found 3 days ago

$602

Roundtrip

found 3 days ago

Select Virgin Atlantic flight, departing Wed, Sep 3 from O'Hare Intl. to Heathrow, returning Mon, Sep 15, priced at $602 found 3 days ago

Mon, Sep 29 - Tue, Oct 7

ORD

O'Hare Intl.

LHR

Heathrow

$604 Roundtrip, found 3 hours ago

$604

Roundtrip

found 3 hours ago

Select Scandinavian Airlines flight, departing Mon, Sep 29 from O'Hare Intl. to Heathrow, returning Tue, Oct 7, priced at $604 found 3 hours ago

Mon, Sep 1 - Tue, Sep 16

ORD

O'Hare Intl.

LHR

Heathrow

$618 Roundtrip, found 2 days ago

$618

Roundtrip

found 2 days ago

Select United flight, departing Mon, Sep 1 from O'Hare Intl. to Heathrow, returning Tue, Sep 16, priced at $618 found 2 days ago

Mon, Aug 25 - Tue, Sep 9

ORD

O'Hare Intl.

LHR

Heathrow

$621 Roundtrip, found 5 days ago

$621

Roundtrip

found 5 days ago

Select British Airways flight, departing Mon, Aug 25 from O'Hare Intl. to Heathrow, returning Tue, Sep 9, priced at $621 found 5 days ago

Mon, Sep 29 - Tue, Oct 7

ORD

O'Hare Intl.

LHR

Heathrow

$632 Roundtrip, found 3 hours ago

$632

Roundtrip

found 3 hours ago

Select TAP Portugal flight, departing Mon, Sep 29 from O'Hare Intl. to Heathrow, returning Tue, Oct 7, priced at $632 found 3 hours ago

Wed, Sep 3 - Wed, Sep 17

ORD

O'Hare Intl.

LHR

Heathrow

$643 Roundtrip, found 2 days ago

$643

Roundtrip

found 2 days ago

Select Lufthansa flight, departing Wed, Sep 3 from O'Hare Intl. to Heathrow, returning Wed, Sep 17, priced at $643 found 2 days ago

Tue, Sep 30 - Tue, Oct 7

ORD

O'Hare Intl.

LHR

Heathrow

$643 Roundtrip, found 3 hours ago

$643

Roundtrip

found 3 hours ago

Select Air Canada flight, departing Tue, Sep 30 from O'Hare Intl. to Heathrow, returning Tue, Oct 7, priced at $643 found 3 hours ago

Mon, Sep 29 - Tue, Oct 7

ORD

O'Hare Intl.

LHR

Heathrow

$651 Roundtrip, found 3 hours ago

$651

Roundtrip

found 3 hours ago

Select JetBlue Airways flight, departing Mon, Sep 29 from O'Hare Intl. to Heathrow, returning Tue, Oct 7, priced at $651 found 3 hours ago

Mon, Sep 29 - Tue, Oct 7

ORD

O'Hare Intl.

LHR

Heathrow

$655 Roundtrip, found 3 hours ago

$655

Roundtrip

found 3 hours ago

Select Austrian Airlines flight, departing Mon, Sep 29 from O'Hare Intl. to Heathrow, returning Tue, Oct 7, priced at $655 found 3 hours ago

Wed, Apr 15 - Wed, Apr 22

ORD

O'Hare Intl.

LHR

Heathrow

$660 Roundtrip, found 1 hour ago

$660

Roundtrip

found 1 hour ago

Select Swiss International Air Lines flight, departing Wed, Apr 15 from O'Hare Intl. to Heathrow, returning Wed, Apr 22, priced at $660 found 1 hour ago

Wed, Apr 15 - Wed, Apr 22

ORD

O'Hare Intl.

LHR

Heathrow

$674 Roundtrip, found 1 hour ago

$674

Roundtrip

found 1 hour ago

Select Delta flight, departing Wed, Apr 15 from O'Hare Intl. to Heathrow, returning Wed, Apr 22, priced at $674 found 1 hour ago

Tue, Sep 30 - Tue, Oct 7

ORD

O'Hare Intl.

LHR

Heathrow

$705 Roundtrip, found 3 hours ago

$705

Roundtrip

found 3 hours ago

Select KLM flight, departing Tue, Sep 30 from O'Hare Intl. to Heathrow, returning Tue, Oct 7, priced at $705 found 3 hours ago

Tue, Sep 30 - Tue, Oct 7

ORD

O'Hare Intl.

LHR

Heathrow

$798 Roundtrip, found 3 hours ago

$798

Roundtrip

found 3 hours ago

Select Air France flight, departing Tue, Sep 30 from O'Hare Intl. to Heathrow, returning Tue, Oct 7, priced at $798 found 3 hours ago

Wed, Sep 3 - Mon, Sep 15

ORD

O'Hare Intl.

LHR

Heathrow

$803 Roundtrip, found 3 days ago

$803

Roundtrip

found 3 days ago

Select Aer Lingus flight, departing Wed, Sep 3 from O'Hare Intl. to Heathrow, returning Mon, Sep 15, priced at $803 found 3 days ago

Wed, Sep 3 - Mon, Sep 15

ORD

O'Hare Intl.

LHR

Heathrow

$811 Roundtrip, found 3 days ago

$811

Roundtrip

found 3 days ago

Select Iberia flight, departing Wed, Sep 3 from O'Hare Intl. to Heathrow, returning Mon, Sep 15, priced at $811 found 3 days ago

Mon, Sep 29 - Tue, Oct 7

ORD

O'Hare Intl.

LHR

Heathrow

$832 Roundtrip, found 3 hours ago

$832

Roundtrip

found 3 hours ago

Select Brussels Airlines flight, departing Mon, Sep 29 from O'Hare Intl. to Heathrow, returning Tue, Oct 7, priced at $832 found 3 hours ago

Wed, Apr 15 - Wed, Apr 22

ORD

O'Hare Intl.

LHR

Heathrow

$859 Roundtrip, found 1 hour ago

$859

Roundtrip

found 1 hour ago

Select Alaska Airlines flight, departing Wed, Apr 15 from O'Hare Intl. to Heathrow, returning Wed, Apr 22, priced at $859 found 1 hour ago