British Airways Flight AA4271 Deals & Information (2025/2026)

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British Airways Flight 4271 Route Deals From $642

The cheapest prices found with in the last 7 days for return flights were $511 and $642 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Feb 12 - Mon, Feb 16
MAD
Adolfo Suárez Madrid-Barajas
ORD
O'Hare Intl.
$511 Roundtrip, found 6 days ago
$511
Roundtrip
found 6 days ago
Select British Airways flight, departing Thu, Feb 12 from Adolfo Suárez Madrid-Barajas to O'Hare Intl., returning Mon, Feb 16, priced at $511 found 6 days ago
Thu, Jan 22 - Wed, Jan 28
MAD
Adolfo Suárez Madrid-Barajas
ORD
O'Hare Intl.
$513 Roundtrip, found 3 hours ago
$513
Roundtrip
found 3 hours ago
Select British Airways flight, departing Thu, Jan 22 from Adolfo Suárez Madrid-Barajas to O'Hare Intl., returning Wed, Jan 28, priced at $513 found 3 hours ago
Thu, Feb 12 - Mon, Feb 16
MAD
Adolfo Suárez Madrid-Barajas
ORD
O'Hare Intl.
$514 Roundtrip, found 6 days ago
$514
Roundtrip
found 6 days ago
Select British Airways flight, departing Thu, Feb 12 from Adolfo Suárez Madrid-Barajas to O'Hare Intl., returning Mon, Feb 16, priced at $514 found 6 days ago
Thu, Apr 9 - Mon, Apr 13
MAD
Adolfo Suárez Madrid-Barajas
ORD
O'Hare Intl.
$515 Roundtrip, found 4 days ago
$515
Roundtrip
found 4 days ago
Select British Airways flight, departing Thu, Apr 9 from Adolfo Suárez Madrid-Barajas to O'Hare Intl., returning Mon, Apr 13, priced at $515 found 4 days ago
Mon, Dec 15 - Mon, Jan 12
MAD
Adolfo Suárez Madrid-Barajas
ORD
O'Hare Intl.
$517 Roundtrip, found 5 days ago
$517
Roundtrip
found 5 days ago
Select British Airways flight, departing Mon, Dec 15 from Adolfo Suárez Madrid-Barajas to O'Hare Intl., returning Mon, Jan 12, priced at $517 found 5 days ago
Mon, Sep 22 - Tue, Sep 30
MAD
Adolfo Suárez Madrid-Barajas
ORD
O'Hare Intl.
$517 Roundtrip, found 5 days ago
$517
Roundtrip
found 5 days ago
Select British Airways flight, departing Mon, Sep 22 from Adolfo Suárez Madrid-Barajas to O'Hare Intl., returning Tue, Sep 30, priced at $517 found 5 days ago
Wed, Mar 25 - Mon, Apr 13
MAD
Adolfo Suárez Madrid-Barajas
ORD
O'Hare Intl.
$518 Roundtrip, found 1 day ago
$518
Roundtrip
found 1 day ago
Select British Airways flight, departing Wed, Mar 25 from Adolfo Suárez Madrid-Barajas to O'Hare Intl., returning Mon, Apr 13, priced at $518 found 1 day ago
Thu, Oct 2 - Mon, Oct 13
MAD
Adolfo Suárez Madrid-Barajas
ORD
O'Hare Intl.
$521 Roundtrip, found 1 hour ago
$521
Roundtrip
found 1 hour ago
Select British Airways flight, departing Thu, Oct 2 from Adolfo Suárez Madrid-Barajas to O'Hare Intl., returning Mon, Oct 13, priced at $521 found 1 hour ago
Wed, Oct 15 - Wed, Oct 29
MAD
Adolfo Suárez Madrid-Barajas
ORD
O'Hare Intl.
$525 Roundtrip, found 1 day ago
$525
Roundtrip
found 1 day ago
Select British Airways flight, departing Wed, Oct 15 from Adolfo Suárez Madrid-Barajas to O'Hare Intl., returning Wed, Oct 29, priced at $525 found 1 day ago
Wed, Oct 15 - Tue, Oct 21
MAD
Adolfo Suárez Madrid-Barajas
ORD
O'Hare Intl.
$525 Roundtrip, found 4 days ago
$525
Roundtrip
found 4 days ago
Select British Airways flight, departing Wed, Oct 15 from Adolfo Suárez Madrid-Barajas to O'Hare Intl., returning Tue, Oct 21, priced at $525 found 4 days ago
Thu, Jan 22 - Wed, Jan 28
MAD
Adolfo Suárez Madrid-Barajas
ORD
O'Hare Intl.
$527 Roundtrip, found 3 hours ago
$527
Roundtrip
found 3 hours ago
Select British Airways flight, departing Thu, Jan 22 from Adolfo Suárez Madrid-Barajas to O'Hare Intl., returning Wed, Jan 28, priced at $527 found 3 hours ago
Thu, Jan 22 - Wed, Jan 28
MAD
Adolfo Suárez Madrid-Barajas
ORD
O'Hare Intl.
$527 Roundtrip, found 3 hours ago
$527
Roundtrip
found 3 hours ago
Select British Airways flight, departing Thu, Jan 22 from Adolfo Suárez Madrid-Barajas to O'Hare Intl., returning Wed, Jan 28, priced at $527 found 3 hours ago
Thu, Feb 12 - Mon, Feb 16
MAD
Adolfo Suárez Madrid-Barajas
ORD
O'Hare Intl.
$528 Roundtrip, found 6 days ago
$528
Roundtrip
found 6 days ago
Select British Airways flight, departing Thu, Feb 12 from Adolfo Suárez Madrid-Barajas to O'Hare Intl., returning Mon, Feb 16, priced at $528 found 6 days ago
Tue, Nov 4 - Wed, Nov 12
MAD
Adolfo Suárez Madrid-Barajas
ORD
O'Hare Intl.
$529 Roundtrip, found 5 days ago
$529
Roundtrip
found 5 days ago
Select British Airways flight, departing Tue, Nov 4 from Adolfo Suárez Madrid-Barajas to O'Hare Intl., returning Wed, Nov 12, priced at $529 found 5 days ago
Thu, Sep 18 - Mon, Sep 22
MAD
Adolfo Suárez Madrid-Barajas
ORD
O'Hare Intl.
$530 Roundtrip, found 1 hour ago
$530
Roundtrip
found 1 hour ago
Select British Airways flight, departing Thu, Sep 18 from Adolfo Suárez Madrid-Barajas to O'Hare Intl., returning Mon, Sep 22, priced at $530 found 1 hour ago
Sun, Feb 1 - Tue, Feb 10
MAD
Adolfo Suárez Madrid-Barajas
ORD
O'Hare Intl.
$530 Roundtrip, found 16 hours ago
$530
Roundtrip
found 16 hours ago
Select British Airways flight, departing Sun, Feb 1 from Adolfo Suárez Madrid-Barajas to O'Hare Intl., returning Tue, Feb 10, priced at $530 found 16 hours ago
Tue, Feb 10 - Fri, May 8
MAD
Adolfo Suárez Madrid-Barajas
ORD
O'Hare Intl.
$533 Roundtrip, found 5 hours ago
$533
Roundtrip
found 5 hours ago
Select British Airways flight, departing Tue, Feb 10 from Adolfo Suárez Madrid-Barajas to O'Hare Intl., returning Fri, May 8, priced at $533 found 5 hours ago