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Flight Deals from Barcelona to Ontario International Airport from $723

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Stops

Up to 1 stop
$894
Up to 2 stops
$763

Airlines

Aer Lingus
$925
American Airlines
$894
British Airways
$814
IBERIA
$930
KLM
$1077
Lufthansa
$792
United Airlines
$763

Cabin Class

Economy
$763

Departure Airports

Barcelona International Airport
$763

Arrival Airports

Ontario International Airport
$763

Layover Airports

Amsterdam Airport Schiphol
$1077
Dallas Fort Worth International Airport
$894
Denver International Airport
$763
Dublin Airport
$894
Frankfurt am Main Airport
$763
George Bush Intercontinental Houston Airport
$792
London Heathrow Airport
$814
Minneapolis-St Paul International/Wold-Chamberlain Airport
$1077
Montreal Trudeau Airport
$763
Phoenix Sky Harbor International Airport
$814
Salt Lake City International Airport
$1077
San Francisco International Airport
$765

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On average save $240 per traveler
United Airlines Logo
United Airlines

04/25/25

6:50am
BCN
13h 52m
FRA
DEN
United Airlines Logo
United Airlines

04/27/25

12:35pm
ONT
43h 15m
YUL
$763
Free cancellation within 83 hours of booking
United Airlines Logo
United Airlines

05/12/25

6:50am
BCN
29h 48m
FRA
DEN
United Airlines Logo
United Airlines

05/19/25

7:25am
ONT
29h 40m
SFO
FRA
$765
Free cancellation within 83 hours of booking
Lufthansa Logo
Lufthansa

05/06/25

10:20am
BCN
11h 40m
FRA
IAH
Lufthansa Logo
Lufthansa

05/13/25

8:45am
ONT
31h 30m
DEN
FRA
$792
Free cancellation within 83 hours of booking
Lufthansa Logo
Lufthansa

04/29/25

10:20am
BCN
11h 38m
FRA
IAH
Lufthansa Logo
Lufthansa

05/10/25

4:15pm
ONT
49h 55m
DEN
FRA
$808
Free cancellation within 83 hours of booking
British Airways Logo
British Airways

04/29/25

11:50am
BCN
10h 8m
LHR
PHX
British Airways Logo
British Airways

05/10/25

4:30pm
ONT
25h 5m
PHX
LHR
$814
Free cancellation within 83 hours of booking
American Airlines Logo
American Airlines

05/15/25

12:20pm
BCN
11h 23m
DFW
American Airlines Logo
American Airlines

05/22/25

8:15pm
ONT
28h 20m
DUB
$894
Free cancellation within 83 hours of booking
Aer Lingus Logo
Aer Lingus

05/01/25

12:20pm
BCN
9h 50m
DFW
Aer Lingus Logo
Aer Lingus

05/08/25

8:15pm
ONT
26h 10m
DUB
$925
Free cancellation within 83 hours of booking
IBERIA Logo
IBERIA

04/23/25

12:20pm
BCN
9h 50m
DFW
IBERIA Logo
IBERIA

05/01/25

7:20pm
ONT
20h 50m
Direct
$930
Free cancellation within 83 hours of booking
British Airways Logo
British Airways

04/23/25

12:20pm
BCN
9h 50m
DFW
British Airways Logo
British Airways

05/01/25

7:20pm
ONT
20h 50m
Direct
$930
Free cancellation within 83 hours of booking
KLM Logo
KLM

04/19/25

6:20am
BCN
10h 13m
AMS
SLC
KLM Logo
KLM

04/24/25

11:40pm
ONT
34h 40m
MSP
AMS
$1077
Free cancellation within 83 hours of booking

Top Deals on flights from Barcelona to Ontario International Airport

Barcelona, ES (BCN) - Los Angeles, US (LAX)

AVIANCA Logo
AVIANCA

May 2

2:00pm
BCN
31h 55m
BOG
SAL

as low as

$723

Barcelona, ES (BCN) - Los Angeles, US (LAX)

IBERIA Logo
IBERIA

May 8

7:20am
BCN
14h 38m
DUB
DFW

as low as

$739

Barcelona, ES (BCN) - Los Angeles, US (LAX)

American Airlines Logo
American Airlines

May 6

12:20pm
BCN
9h 38m
DFW

as low as

$773

Barcelona, ES (BCN) - Los Angeles, US (LAX)

American Airlines Logo
American Airlines

May 5

6:40pm
BCN
19h 12m
JFK
DFW

as low as

$777

Barcelona, ES (BCN) - Los Angeles, US (LAX)

British Airways Logo
British Airways

Jun 12

12:20pm
BCN
9h 51m
DFW

as low as

$911

Barcelona, ES (BCN) - Los Angeles, US (LAX)

British Airways Logo
British Airways

May 26

9:10pm
BCN
26h 33m
LHR
DFW

as low as

$924

Barcelona, ES (BCN) - Los Angeles, US (LAX)

British Airways Logo
British Airways

Jun 14

8:00pm
BCN
25h 38m
LHR
PHX

as low as

$947

Barcelona, ES (BCN) - Los Angeles, US (LAX)

IBERIA Logo
IBERIA

May 26

9:45am
BCN
8h 51m
MAD
DFW

as low as

$1031

Barcelona, ES (BCN) - Los Angeles, US (LAX)

Delta Air Lines Logo
Delta Air Lines

May 4

11:35am
BCN
7h 53m
ATL

as low as

$1360

Barcelona, ES (BCN) - Los Angeles, US (LAX)

Delta Air Lines Logo
Delta Air Lines

May 2

6:10am
BCN
16h 33m
CDG
SEA

as low as

$1370

Barcelona, ES (BCN) - Los Angeles, US (LAX)

KLM Logo
KLM

May 4

6:20am
BCN
10h 13m
AMS
SLC

as low as

$1385

Barcelona, ES (BCN) - Los Angeles, US (LAX)

United Airlines Logo
United Airlines

Jul 29

4:00pm
BCN
6h 52m
SFO

as low as

$1427
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