$432 Cheap British Airways flights Ontario (ONT) to Madrid (MAD)

View $432 flight on Mon, Feb 23, 2026Opens in a new window
  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

$432 Cheap British Airways flights Ontario (ONT) to Madrid (MAD)

Prices were available within the past 7 days and start at $432 for one-way flights and $434 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Wed, Feb 4 - Tue, Feb 10
ONT
Ontario
MAD
Madrid
$434 Roundtrip, found 3 hours ago
$434
Roundtrip
found 3 hours ago
Select British Airways flight, departing Wed, Feb 4 from Ontario to Madrid, returning Tue, Feb 10, priced at $434 found 3 hours ago
British Airways
Wed, Feb 4 - Tue, Feb 10
ONT
Ontario
MAD
Madrid
$446 Roundtrip, found 3 hours ago
$446
Roundtrip
found 3 hours ago
Select British Airways flight, departing Wed, Feb 4 from Ontario to Madrid, returning Tue, Feb 10, priced at $446 found 3 hours ago
British Airways
Mon, Jan 12 - Tue, Jan 20
ONT
Ontario
MAD
Madrid
$451 Roundtrip, found 11 hours ago
$451
Roundtrip
found 11 hours ago
Select British Airways flight, departing Mon, Jan 12 from Ontario to Madrid, returning Tue, Jan 20, priced at $451 found 11 hours ago
British Airways
Wed, Feb 4 - Tue, Feb 10
ONT
Ontario
MAD
Madrid
$462 Roundtrip, found 3 hours ago
$462
Roundtrip
found 3 hours ago
Select British Airways flight, departing Wed, Feb 4 from Ontario to Madrid, returning Tue, Feb 10, priced at $462 found 3 hours ago
British Airways
Wed, Feb 4 - Tue, Feb 10
ONT
Ontario
MAD
Madrid
$469 Roundtrip, found 3 hours ago
$469
Roundtrip
found 3 hours ago
Select British Airways flight, departing Wed, Feb 4 from Ontario to Madrid, returning Tue, Feb 10, priced at $469 found 3 hours ago
British Airways
Wed, Feb 4 - Tue, Feb 10
ONT
Ontario
MAD
Madrid
$473 Roundtrip, found 3 hours ago
$473
Roundtrip
found 3 hours ago
Select British Airways flight, departing Wed, Feb 4 from Ontario to Madrid, returning Tue, Feb 10, priced at $473 found 3 hours ago
British Airways
Wed, Feb 4 - Mon, Feb 9
ONT
Ontario
MAD
Madrid
$484 Roundtrip, found 3 hours ago
$484
Roundtrip
found 3 hours ago
Select British Airways flight, departing Wed, Feb 4 from Ontario to Madrid, returning Mon, Feb 9, priced at $484 found 3 hours ago

Travel information

Origin airport
Los Angeles - Ontario Intl.
Destination airport
Adolfo Suárez Madrid-Barajas
Airlines serving
Air Canada, Air France, American Airlines, British Airways, Delta, Iberia, KLM, United, Virgin Atlantic
Popular airline
United
Distance
5793 mi
*Available to One Key members.