
Flights from Chicago to London
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.

Mon, Sep 8 - Wed, Sep 24
ORD
O'Hare Intl.
LHR
Heathrow
$507 Roundtrip, found 3 days ago
$507
Roundtrip
found 3 days ago

Wed, Nov 19 - Wed, Nov 26
ORD
O'Hare Intl.
LGW
Gatwick
$520 Roundtrip, found 1 day ago
$520
Roundtrip
found 1 day ago

Sun, Sep 7 - Tue, Sep 16
ORD
O'Hare Intl.
LHR
Heathrow
$526 Roundtrip, found 3 days ago
$526
Roundtrip
found 3 days ago

Tue, Dec 2 - Wed, Dec 17
ORD
O'Hare Intl.
LCY
London City
$553 Roundtrip, found 4 days ago
$553
Roundtrip
found 4 days ago

Tue, Dec 2 - Wed, Dec 17
ORD
O'Hare Intl.
LHR
Heathrow
$579 Roundtrip, found 4 days ago
$579
Roundtrip
found 4 days ago

Fri, Sep 5 - Fri, Sep 12
ORD
O'Hare Intl.
LHR
Heathrow
$582 Roundtrip, found 3 days ago
$582
Roundtrip
found 3 days ago

Tue, Nov 25 - Thu, Nov 27
ORD
O'Hare Intl.
LHR
Heathrow
$583 Roundtrip, found 1 day ago
$583
Roundtrip
found 1 day ago

Mon, Jul 28 - Tue, Sep 9
ORD
O'Hare Intl.
LHR
Heathrow
$585 Roundtrip, found 1 day ago
$585
Roundtrip
found 1 day ago

Mon, Jul 28 - Tue, Sep 9
ORD
O'Hare Intl.
LHR
Heathrow
$585 Roundtrip, found 1 day ago
$585
Roundtrip
found 1 day ago

Wed, Nov 19 - Fri, Nov 28
ORD
O'Hare Intl.
LHR
Heathrow
$592 Roundtrip, found 1 day ago
$592
Roundtrip
found 1 day ago

Sat, Mar 14 - Sun, Mar 22
ORD
O'Hare Intl.
LHR
Heathrow
$606 Roundtrip, found 12 hours ago
$606
Roundtrip
found 12 hours ago

Mon, Nov 24 - Wed, Nov 26
ORD
O'Hare Intl.
LHR
Heathrow
$635 Roundtrip, found 1 day ago
$635
Roundtrip
found 1 day ago

Tue, Dec 2 - Wed, Dec 17
MDW
Midway Intl.
LHR
Heathrow
$660 Roundtrip, found 4 days ago
$660
Roundtrip
found 4 days ago

Tue, Dec 2 - Wed, Dec 17
MDW
Midway Intl.
LHR
Heathrow
$660 Roundtrip, found 4 days ago
$660
Roundtrip
found 4 days ago

Fri, Sep 5 - Fri, Sep 12
ORD
O'Hare Intl.
LHR
Heathrow
$677 Roundtrip, found 3 days ago
$677
Roundtrip
found 3 days ago

Tue, Dec 2 - Wed, Dec 17
ORD
O'Hare Intl.
LHR
Heathrow
$726 Roundtrip, found 4 days ago
$726
Roundtrip
found 4 days ago

Mon, Jul 28 - Tue, Sep 9
ORD
O'Hare Intl.
LHR
Heathrow
$771 Roundtrip, found 1 day ago
$771
Roundtrip
found 1 day ago

Mon, Jul 28 - Tue, Sep 9
ORD
O'Hare Intl.
LHR
Heathrow
$785 Roundtrip, found 1 day ago
$785
Roundtrip
found 1 day ago

Sat, Mar 14 - Sun, Mar 22
ORD
O'Hare Intl.
LHR
Heathrow
$810 Roundtrip, found 12 hours ago
$810
Roundtrip
found 12 hours ago

Mon, Jul 28 - Tue, Sep 9
ORD
O'Hare Intl.
LHR
Heathrow
$813 Roundtrip, found 1 day ago
$813
Roundtrip
found 1 day ago