$586 Cheap United flights Ontario (ONT) to Barcelona (BCN)

$586 Cheap United flights Ontario (ONT) to Barcelona (BCN)

Prices were available within the past 7 days and start at $586 for one-way flights and $650 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Mar 4 - Fri, Mar 13

ONT

Ontario

BCN

Barcelona

$650 Roundtrip, found 20 hours ago

$650

Roundtrip

found 20 hours ago

Select United flight, departing Wed, Mar 4 from Ontario to Barcelona, returning Fri, Mar 13, priced at $650 found 20 hours ago

Mon, Mar 16 - Tue, Mar 31

ONT

Ontario

BCN

Barcelona

$661 Roundtrip, found 17 hours ago

$661

Roundtrip

found 17 hours ago

Select United flight, departing Mon, Mar 16 from Ontario to Barcelona, returning Tue, Mar 31, priced at $661 found 17 hours ago

Sun, Mar 15 - Tue, Mar 31

ONT

Ontario

BCN

Barcelona

$665 Roundtrip, found 17 hours ago

$665

Roundtrip

found 17 hours ago

Select United flight, departing Sun, Mar 15 from Ontario to Barcelona, returning Tue, Mar 31, priced at $665 found 17 hours ago

Wed, Mar 4 - Tue, Mar 17

ONT

Ontario

BCN

Barcelona

$675 Roundtrip, found 17 hours ago

$675

Roundtrip

found 17 hours ago

Select United flight, departing Wed, Mar 4 from Ontario to Barcelona, returning Tue, Mar 17, priced at $675 found 17 hours ago

Mon, Mar 9 - Wed, Mar 25

ONT

Ontario

BCN

Barcelona

$677 Roundtrip, found 17 hours ago

$677

Roundtrip

found 17 hours ago

Select United flight, departing Mon, Mar 9 from Ontario to Barcelona, returning Wed, Mar 25, priced at $677 found 17 hours ago

Mon, Mar 9 - Tue, Mar 24

ONT

Ontario

BCN

Barcelona

$680 Roundtrip, found 17 hours ago

$680

Roundtrip

found 17 hours ago

Select United flight, departing Mon, Mar 9 from Ontario to Barcelona, returning Tue, Mar 24, priced at $680 found 17 hours ago

Sat, Mar 14 - Wed, Mar 25

ONT

Ontario

BCN

Barcelona

$683 Roundtrip, found 17 hours ago

$683

Roundtrip

found 17 hours ago

Select United flight, departing Sat, Mar 14 from Ontario to Barcelona, returning Wed, Mar 25, priced at $683 found 17 hours ago

Mon, Mar 16 - Mon, Mar 30

ONT

Ontario

BCN

Barcelona

$693 Roundtrip, found 17 hours ago

$693

Roundtrip

found 17 hours ago

Select United flight, departing Mon, Mar 16 from Ontario to Barcelona, returning Mon, Mar 30, priced at $693 found 17 hours ago

Wed, Mar 4 - Mon, Mar 16

ONT

Ontario

BCN

Barcelona

$694 Roundtrip, found 17 hours ago

$694

Roundtrip

found 17 hours ago

Select United flight, departing Wed, Mar 4 from Ontario to Barcelona, returning Mon, Mar 16, priced at $694 found 17 hours ago

Sun, Mar 15 - Mon, Mar 30

ONT

Ontario

BCN

Barcelona

$698 Roundtrip, found 17 hours ago

$698

Roundtrip

found 17 hours ago

Select United flight, departing Sun, Mar 15 from Ontario to Barcelona, returning Mon, Mar 30, priced at $698 found 17 hours ago