British Airways Flight 4271 Deals & Information (2026/2027)

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British Airways Flight 4271 Route Deals From $399

The cheapest prices found with in the last 7 days for return flights were $623 and $399 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Oct 1 - Wed, Oct 7
MAD
Adolfo Suárez Madrid-Barajas
ORD
O'Hare Intl.
$623 Roundtrip, found 5 days ago
$623
Roundtrip
found 5 days ago
Select British Airways flight, departing Thu, Oct 1 from Adolfo Suárez Madrid-Barajas to O'Hare Intl., returning Wed, Oct 7, priced at $623 found 5 days ago
Thu, Oct 15 - Mon, Oct 19
MAD
Adolfo Suárez Madrid-Barajas
ORD
O'Hare Intl.
$624 Roundtrip, found 6 days ago
$624
Roundtrip
found 6 days ago
Select British Airways flight, departing Thu, Oct 15 from Adolfo Suárez Madrid-Barajas to O'Hare Intl., returning Mon, Oct 19, priced at $624 found 6 days ago
Wed, Sep 16 - Tue, Sep 22
MAD
Adolfo Suárez Madrid-Barajas
ORD
O'Hare Intl.
$624 Roundtrip, found 15 hours ago
$624
Roundtrip
found 15 hours ago
Select British Airways flight, departing Wed, Sep 16 from Adolfo Suárez Madrid-Barajas to O'Hare Intl., returning Tue, Sep 22, priced at $624 found 15 hours ago
Thu, Apr 16 - Thu, Apr 23
MAD
Adolfo Suárez Madrid-Barajas
ORD
O'Hare Intl.
$637 Roundtrip, found 15 hours ago
$637
Roundtrip
found 15 hours ago
Select British Airways flight, departing Thu, Apr 16 from Adolfo Suárez Madrid-Barajas to O'Hare Intl., returning Thu, Apr 23, priced at $637 found 15 hours ago
Thu, Apr 16 - Mon, Apr 20
MAD
Adolfo Suárez Madrid-Barajas
ORD
O'Hare Intl.
$639 Roundtrip, found 6 days ago
$639
Roundtrip
found 6 days ago
Select British Airways flight, departing Thu, Apr 16 from Adolfo Suárez Madrid-Barajas to O'Hare Intl., returning Mon, Apr 20, priced at $639 found 6 days ago