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Flight Deals from Dublin to Ontario International Airport from $478

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Stops

Up to 1 stop
$749
Up to 2 stops
$737

Airlines

Aer Lingus
$999
American Airlines
$750
Austrian Airlines
$748
British Airways
$738
Brussels Airlines
$739
Finnair
$901
IBERIA
$737
JetBlue
$749
Lufthansa
$743

Cabin Class

Economy
$737

Departure Airports

Dublin Airport
$737

Arrival Airports

Ontario International Airport
$737

Layover Airports

Chicago O Hare Airport
$739
Dallas Fort Worth International Airport
$737
Denver International Airport
$739
Frankfurt am Main Airport
$743
General Edward Lawrence Logan International Airport
$8022
George Bush Intercontinental Houston Airport
$743
London Heathrow Airport
$737
New York John F Kennedy Airport
$749
Newark Liberty Airport
$748
Philadelphia International Airport
$934
Phoenix Sky Harbor International Airport
$737
San Francisco International Airport
$743
Seattle Tacoma International Airport
$999
Toronto Pearson Airport
$739
Washington Dulles Airport
$743

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On average save $240 per traveler
IBERIA Logo
IBERIA

09/15/25

12:40pm
DUB
9h 16m
DFW
IBERIA Logo
IBERIA

10/08/25

5:02pm
ONT
26h 23m
PHX
LHR
$737
Free cancellation within 83 hours of booking
British Airways Logo
British Airways

09/15/25

8:55pm
DUB
25h 1m
LHR
DFW
British Airways Logo
British Airways

10/08/25

12:51pm
ONT
30h 34m
DFW
LHR
$738
Free cancellation within 83 hours of booking
Brussels Airlines Logo
Brussels Airlines

09/15/25

9:50am
DUB
26h 43m
YYZ
DEN
Brussels Airlines Logo
Brussels Airlines

10/08/25

7:00am
ONT
26h 45m
ORD
$739
Free cancellation within 83 hours of booking
Lufthansa Logo
Lufthansa

09/15/25

9:00am
DUB
12h 56m
FRA
IAH
Lufthansa Logo
Lufthansa

10/08/25

6:00am
ONT
25h 10m
SFO
IAD
$743
Free cancellation within 83 hours of booking
Brussels Airlines Logo
Brussels Airlines

09/14/25

8:50am
DUB
11h 27m
IAD
DEN
Brussels Airlines Logo
Brussels Airlines

10/01/25

7:00am
ONT
26h 45m
ORD
$743
Free cancellation within 83 hours of booking
Austrian Airlines Logo
Austrian Airlines

09/15/25

9:20am
DUB
8h 9m
EWR
DEN
Austrian Airlines Logo
Austrian Airlines

10/08/25

7:00am
ONT
24h 20m
ORD
EWR
$748
Free cancellation within 83 hours of booking
JetBlue Logo
JetBlue

09/16/25

11:30am
DUB
10h 11m
JFK
JetBlue Logo
JetBlue

09/23/25

10:16am
ONT
22h 4m
JFK
$749
Free cancellation within 83 hours of booking
JetBlue Logo
JetBlue

09/10/25

11:30am
DUB
10h 11m
JFK
JetBlue Logo
JetBlue

09/26/25

7:20am
ONT
25h
JFK
$749
Free cancellation within 83 hours of booking
American Airlines Logo
American Airlines

09/02/25

12:40pm
DUB
10h 49m
DFW
American Airlines Logo
American Airlines

09/24/25

8:05pm
ONT
21h 25m
LHR
$750
Free cancellation within 83 hours of booking
JetBlue Logo
JetBlue

09/15/25

11:30am
DUB
10h 11m
JFK
JetBlue Logo
JetBlue

09/24/25

10:16am
ONT
22h 4m
JFK
$751
Free cancellation within 83 hours of booking
British Airways Logo
British Airways

09/15/25

8:55pm
DUB
25h 1m
LHR
DFW
British Airways Logo
British Airways

10/08/25

10:55am
ONT
22h 50m
DFW
$753
Free cancellation within 83 hours of booking
IBERIA Logo
IBERIA

09/14/25

12:40pm
DUB
9h 16m
DFW
IBERIA Logo
IBERIA

10/01/25

3:00pm
ONT
28h 25m
DFW
LHR
$772
Free cancellation within 83 hours of booking
Lufthansa Logo
Lufthansa

09/14/25

8:50am
DUB
11h 27m
IAD
DEN
Lufthansa Logo
Lufthansa

10/01/25

7:00am
ONT
49h 10m
ORD
FRA
$774
Free cancellation within 83 hours of booking
JetBlue Logo
JetBlue

09/14/25

11:30am
DUB
10h 11m
JFK
JetBlue Logo
JetBlue

10/01/25

10:16am
ONT
22h 4m
JFK
$780
Free cancellation within 83 hours of booking
IBERIA Logo
IBERIA

09/14/25

12:40pm
DUB
9h 16m
DFW
IBERIA Logo
IBERIA

10/01/25

12:49pm
ONT
20h 56m
DFW
$787
Free cancellation within 83 hours of booking
Lufthansa Logo
Lufthansa

09/15/25

9:00am
DUB
12h 56m
FRA
IAH
Lufthansa Logo
Lufthansa

10/08/25

7:00am
ONT
26h 45m
ORD
$799
Free cancellation within 83 hours of booking
Austrian Airlines Logo
Austrian Airlines

09/15/25

9:20am
DUB
8h 9m
EWR
DEN
Austrian Airlines Logo
Austrian Airlines

10/08/25

7:00am
ONT
26h 45m
ORD
$808
Free cancellation within 83 hours of booking
British Airways Logo
British Airways

09/14/25

7:35pm
DUB
22h 5m
LHR
DFW
British Airways Logo
British Airways

10/01/25

8:43am
ONT
25h 2m
DFW
$827
Free cancellation within 83 hours of booking
Finnair Logo
Finnair

09/30/25

12:40pm
DUB
9h 16m
DFW
Finnair Logo
Finnair

10/07/25

10:45am
ONT
23h
DFW
$901
Free cancellation within 83 hours of booking
British Airways Logo
British Airways

09/14/25

8:50am
DUB
32h 50m
LHR
DFW
British Airways Logo
British Airways

10/01/25

5:09pm
ONT
25h 6m
PHX
LHR
$919
Free cancellation within 83 hours of booking
American Airlines Logo
American Airlines

09/10/25

12:40pm
DUB
10h 56m
DFW
American Airlines Logo
American Airlines

09/26/25

6:20am
ONT
25h 50m
PHL
$934
Free cancellation within 83 hours of booking
Aer Lingus Logo
Aer Lingus

09/14/25

3:20pm
DUB
8h 39m
SEA
Aer Lingus Logo
Aer Lingus

10/01/25

11:39am
ONT
24h 6m
SEA
$999
Free cancellation within 83 hours of booking
Brussels Airlines Logo
Brussels Airlines

09/14/25

11:35am
DUB
10h 51m
ORD
Brussels Airlines Logo
Brussels Airlines

10/01/25

7:00am
ONT
26h 45m
ORD
$1215
Free cancellation within 83 hours of booking
Lufthansa Logo
Lufthansa

09/14/25

11:35am
DUB
10h 51m
ORD
Lufthansa Logo
Lufthansa

10/01/25

5:45am
ONT
26h 30m
DEN
YYZ
$1222
Free cancellation within 83 hours of booking
JetBlue Logo
JetBlue

09/14/25

11:30am
DUB
10h 11m
JFK
JetBlue Logo
JetBlue

10/01/25

11:00pm
ONT
33h 20m
JFK
$1472
Free cancellation within 83 hours of booking
Austrian Airlines Logo
Austrian Airlines

09/14/25

9:20am
DUB
13h 6m
EWR
Austrian Airlines Logo
Austrian Airlines

10/01/25

7:00am
ONT
26h 45m
ORD
$1502
Free cancellation within 83 hours of booking
Aer Lingus Logo
Aer Lingus

09/14/25

3:20pm
DUB
8h 39m
SEA
Aer Lingus Logo
Aer Lingus

10/01/25

5:09pm
ONT
26h 16m
PHX
LHR
$3312
Free cancellation within 83 hours of booking
British Airways Logo
British Airways

09/14/25

12:30pm
DUB
9h 10m
LHR
PHX
British Airways Logo
British Airways

10/01/25

5:09pm
ONT
25h 6m
PHX
LHR
$5512
Free cancellation within 83 hours of booking
Aer Lingus Logo
Aer Lingus

09/15/25

1:00pm
DUB
9h 53m
SFO
Aer Lingus Logo
Aer Lingus

10/08/25

6:38am
ONT
26h 22m
DFW
LHR
$7849
Free cancellation within 83 hours of booking
Aer Lingus Logo
Aer Lingus

09/15/25

4:45pm
DUB
19h 48m
BOS
DEN
Aer Lingus Logo
Aer Lingus

10/08/25

5:02pm
ONT
26h 23m
PHX
LHR
$8022
Free cancellation within 83 hours of booking

Top Deals on flights from Dublin to Ontario International Airport

Dublin, IE (DUB) - Los Angeles, US (LAX)

WestJet Logo
WestJet

May 16

12:50pm
DUB
29h 30m
YYC
SEA

as low as

$478

Dublin, IE (DUB) - Los Angeles, US (LAX)

JetBlue Logo
JetBlue

May 16

11:30am
DUB
9h 41m
JFK

as low as

$594

Dublin, IE (DUB) - Los Angeles, US (LAX)

JetBlue Logo
JetBlue

May 16

10:40am
DUB
10h 31m
BOS
JFK

as low as

$595

Dublin, IE (DUB) - Los Angeles, US (LAX)

American Airlines Logo
American Airlines

May 24

12:40pm
DUB
5h 56m
DFW

as low as

$624

Dublin, IE (DUB) - Los Angeles, US (LAX)

American Airlines Logo
American Airlines

Aug 27

12:45pm
DUB
10h 44m
LHR
DFW

as low as

$625

Dublin, IE (DUB) - Los Angeles, US (LAX)

American Airlines Logo
American Airlines

May 16

9:30am
DUB
11h 35m
PHL
CLT

as low as

$629

Dublin, IE (DUB) - Los Angeles, US (LAX)

American Airlines Logo
American Airlines

May 5

12:40pm
DUB
9h 17m
DFW
PHX

as low as

$629

Dublin, IE (DUB) - Los Angeles, US (LAX)

IBERIA Logo
IBERIA

Jun 15

12:40pm
DUB
9h 31m
DFW

as low as

$639

Dublin, IE (DUB) - Los Angeles, US (LAX)

British Airways Logo
British Airways

Sep 15

10:30am
DUB
11h 10m
LHR
PHX

as low as

$642

Dublin, IE (DUB) - Los Angeles, US (LAX)

IBERIA Logo
IBERIA

Sep 14

9:15am
DUB
14h 21m
MAD
DFW

as low as

$647

Dublin, IE (DUB) - Los Angeles, US (LAX)

Finnair Logo
Finnair

Sep 15

7:00pm
DUB
23h 23m
LHR
SEA

as low as

$718

Dublin, IE (DUB) - Los Angeles, US (LAX)

Aer Lingus Logo
Aer Lingus

May 16

11:05am
DUB
10h 6m
JFK

as low as

$726
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