Flights from Chicago to Wallingford

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.

Sun, Oct 12 - Mon, Oct 27

ORD

O'Hare Intl.

LHR

Heathrow

$606 Roundtrip, just found

$606

Roundtrip

just found

Select Scandinavian Airlines flight, departing Sun, Oct 12 from O'Hare Intl. to Heathrow, returning Mon, Oct 27, priced at $606 just found

Sun, Sep 14 - Wed, Sep 24

ORD

O'Hare Intl.

LHR

Heathrow

$625 Roundtrip, found 5 days ago

$625

Roundtrip

found 5 days ago

Select United flight, departing Sun, Sep 14 from O'Hare Intl. to Heathrow, returning Wed, Sep 24, priced at $625 found 5 days ago

Sun, Sep 14 - Tue, Sep 23

ORD

O'Hare Intl.

LHR

Heathrow

$628 Roundtrip, found 5 days ago

$628

Roundtrip

found 5 days ago

Select United flight, departing Sun, Sep 14 from O'Hare Intl. to Heathrow, returning Tue, Sep 23, priced at $628 found 5 days ago

Tue, Oct 14 - Wed, Oct 29

ORD

O'Hare Intl.

LHR

Heathrow

$629 Roundtrip, just found

$629

Roundtrip

just found

Select United flight, departing Tue, Oct 14 from O'Hare Intl. to Heathrow, returning Wed, Oct 29, priced at $629 just found

Tue, Oct 14 - Thu, Oct 30

ORD

O'Hare Intl.

LHR

Heathrow

$630 Roundtrip, just found

$630

Roundtrip

just found

Select United flight, departing Tue, Oct 14 from O'Hare Intl. to Heathrow, returning Thu, Oct 30, priced at $630 just found

Sun, Sep 14 - Fri, Sep 26

ORD

O'Hare Intl.

LHR

Heathrow

$633 Roundtrip, found 5 days ago

$633

Roundtrip

found 5 days ago

Select United flight, departing Sun, Sep 14 from O'Hare Intl. to Heathrow, returning Fri, Sep 26, priced at $633 found 5 days ago

Mon, Oct 13 - Wed, Oct 29

ORD

O'Hare Intl.

LHR

Heathrow

$636 Roundtrip, just found

$636

Roundtrip

just found

Select United flight, departing Mon, Oct 13 from O'Hare Intl. to Heathrow, returning Wed, Oct 29, priced at $636 just found

Mon, Oct 13 - Thu, Oct 30

ORD

O'Hare Intl.

LHR

Heathrow

$636 Roundtrip, just found

$636

Roundtrip

just found

Select United flight, departing Mon, Oct 13 from O'Hare Intl. to Heathrow, returning Thu, Oct 30, priced at $636 just found

Sun, Oct 12 - Fri, Oct 24

ORD

O'Hare Intl.

LHR

Heathrow

$645 Roundtrip, just found

$645

Roundtrip

just found

Select United flight, departing Sun, Oct 12 from O'Hare Intl. to Heathrow, returning Fri, Oct 24, priced at $645 just found

Mon, Oct 13 - Fri, Oct 24

ORD

O'Hare Intl.

LHR

Heathrow

$652 Roundtrip, just found

$652

Roundtrip

just found

Select United flight, departing Mon, Oct 13 from O'Hare Intl. to Heathrow, returning Fri, Oct 24, priced at $652 just found

Mon, Sep 15 - Tue, Sep 23

ORD

O'Hare Intl.

LHR

Heathrow

$670 Roundtrip, found 5 days ago

$670

Roundtrip

found 5 days ago

Select Virgin Atlantic flight, departing Mon, Sep 15 from O'Hare Intl. to Heathrow, returning Tue, Sep 23, priced at $670 found 5 days ago

Tue, Jul 29 - Tue, Aug 12

ORD

O'Hare Intl.

LHR

Heathrow

$671 Roundtrip, found 1 day ago

$671

Roundtrip

found 1 day ago

Select Virgin Atlantic flight, departing Tue, Jul 29 from O'Hare Intl. to Heathrow, returning Tue, Aug 12, priced at $671 found 1 day ago

Sun, Aug 10 - Mon, Aug 18

ORD

O'Hare Intl.

LHR

Heathrow

$672 Roundtrip, found 1 day ago

$672

Roundtrip

found 1 day ago

Select United flight, departing Sun, Aug 10 from O'Hare Intl. to Heathrow, returning Mon, Aug 18, priced at $672 found 1 day ago

Mon, Sep 15 - Wed, Sep 24

ORD

O'Hare Intl.

LHR

Heathrow

$674 Roundtrip, found 5 days ago

$674

Roundtrip

found 5 days ago

Select United flight, departing Mon, Sep 15 from O'Hare Intl. to Heathrow, returning Wed, Sep 24, priced at $674 found 5 days ago

Sun, Sep 14 - Sun, Sep 21

ORD

O'Hare Intl.

LHR

Heathrow

$694 Roundtrip, found 5 days ago

$694

Roundtrip

found 5 days ago

Select United flight, departing Sun, Sep 14 from O'Hare Intl. to Heathrow, returning Sun, Sep 21, priced at $694 found 5 days ago

Mon, Sep 15 - Sun, Sep 21

ORD

O'Hare Intl.

LHR

Heathrow

$724 Roundtrip, found 5 days ago

$724

Roundtrip

found 5 days ago

Select United flight, departing Mon, Sep 15 from O'Hare Intl. to Heathrow, returning Sun, Sep 21, priced at $724 found 5 days ago

Thu, Sep 18 - Tue, Sep 23

ORD

O'Hare Intl.

LHR

Heathrow

$734 Roundtrip, found 5 days ago

$734

Roundtrip

found 5 days ago

Select United flight, departing Thu, Sep 18 from O'Hare Intl. to Heathrow, returning Tue, Sep 23, priced at $734 found 5 days ago

Fri, Aug 1 - Tue, Aug 12

ORD

O'Hare Intl.

LHR

Heathrow

$753 Roundtrip, found 1 day ago

$753

Roundtrip

found 1 day ago

Select British Airways flight, departing Fri, Aug 1 from O'Hare Intl. to Heathrow, returning Tue, Aug 12, priced at $753 found 1 day ago

Sat, Aug 16 - Sun, Aug 17

ORD

O'Hare Intl.

LHR

Heathrow

$1,764 Roundtrip, found 5 days ago

$1,764

Roundtrip

found 5 days ago

Select Alaska Airlines flight, departing Sat, Aug 16 from O'Hare Intl. to Heathrow, returning Sun, Aug 17, priced at $1,764 found 5 days ago

Sat, Aug 16 - Sun, Aug 17

ORD

O'Hare Intl.

LHR

Heathrow

$1,795 Roundtrip, found 5 days ago

$1,795

Roundtrip

found 5 days ago

Select Austrian Airlines flight, departing Sat, Aug 16 from O'Hare Intl. to Heathrow, returning Sun, Aug 17, priced at $1,795 found 5 days ago