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Cheap flights from Dublin to Los Angeles from $374

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dublin to Los Angeles departing on 7/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Dublin to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
12:40 pm - 1:28 pm
DUB
-
ONT
32h 48m
1 stop
American Airlines Logo
2:18 pm - 9:45 am
ONT
-
DUB
35h 27m
1 stop
$616American Airlines
Tue, Jun 2 - Sat, Jun 6
American Airlines Logo
11:45 am - 10:36 pm
DUB
-
ONT
18h 51m
1 stop
American Airlines Logo
11:59 pm - 9:45 am
ONT
-
DUB
25h 46m
1 stop
$617American Airlines
Fri, Jun 5 - Sun, Jun 21
Iberia Logo
12:40 pm - 10:39 pm
DUB
-
ONT
17h 59m
1 stop
Iberia Logo
2:18 pm - 9:45 am
ONT
-
DUB
35h 27m
1 stop
$635Iberia
Thu, Jun 4 - Sat, Jun 20
Multiple Airlines Logo
12:40 pm - 11:59 pm
DUB
-
ONT
19h 19m
1 stop
Multiple Airlines Logo
1:11 pm - 8:05 am
ONT
-
DUB
34h 54m
2 stops
$637Multiple Airlines
Thu, Jun 4 - Mon, Jun 8
Iberia Logo
12:40 pm - 7:56 pm
DUB
-
ONT
15h 16m
1 stop
Iberia Logo
7:00 am - 9:45 am
ONT
-
DUB
18h 45m
1 stop
$660Iberia
Mon, Jun 1 - Sun, Jun 28
Iberia Logo
12:40 pm - 11:59 pm
DUB
-
ONT
19h 19m
1 stop
Iberia Logo
2:18 pm - 9:45 am
ONT
-
DUB
35h 27m
1 stop
$672Iberia
Mon, Jun 1 - Fri, Jun 26
JetBlue Logo
11:30 am - 8:13 pm
DUB
-
ONT
16h 43m
1 stop
JetBlue Logo
9:10 pm - 9:00 am
ONT
-
DUB
27h 50m
1 stop
$693JetBlue
Wed, Sep 30 - Mon, Oct 5
JetBlue Logo
11:30 am - 10:35 pm
DUB
-
ONT
19h 05m
1 stop
JetBlue Logo
11:50 pm - 9:00 am
ONT
-
DUB
25h 10m
1 stop
$711JetBlue
Wed, Jul 8 - Mon, Jul 13
JetBlue Logo
11:30 am - 8:47 pm
DUB
-
ONT
17h 17m
1 stop
JetBlue Logo
11:09 pm - 9:00 am
ONT
-
DUB
25h 51m
1 stop
$739JetBlue
Thu, Jun 4 - Sat, Jun 20
Iberia Logo
12:40 pm - 7:56 pm
DUB
-
ONT
15h 16m
1 stop
Iberia Logo
12:35 pm - 9:45 am
ONT
-
DUB
13h 10m
1 stop
$745Iberia
Thu, Jun 18 - Wed, Jul 8

American Airlines flights from Dublin to Ontario

Our best American Airlines deals on Dublin to Ontario flight tickets
American Airlines
Jun 2
DUB12:40 pmDublin
32h 48m
1 stop
ONT1:28 pmOntario
Jun 6
ONT2:18 pmOntario
35h 27m
1 stop
DUB9:45 amDublin
$616
American Airlines
Jun 5
DUB11:45 amDublin
18h 51m
1 stop
ONT10:36 pmOntario
Jun 21
ONT11:59 pmOntario
25h 46m
1 stop
DUB9:45 amDublin
$617
American Airlines
Jun 6
DUB11:45 amDublin
18h 51m
1 stop
ONT10:36 pmOntario
Jun 7
ONT11:59 pmOntario
25h 46m
1 stop
DUB9:45 amDublin
$812

Delta flights from Dublin to Ontario

Our best Delta deals on Dublin to Ontario flight tickets
Delta
Jun 2
DUB8:55 amDublin
21h 37m
2 stops
ONT10:32 pmOntario
Jun 6
ONT10:00 pmOntario
25h 55m
2 stops
DUB7:55 amDublin
$855
Delta
Jun 2
DUB1:15 pmDublin
29h 42m
2 stops
ONT10:57 amOntario
Jun 28
ONT10:00 pmOntario
26h 45m
1 stop
DUB8:45 amDublin
$891
Delta
Sep 29
DUB11:00 amDublin
15h 01m
1 stop
ONT6:01 pmOntario
Oct 6
ONT12:00 pmOntario
12h 45m
1 stop
DUB8:45 amDublin
$893

momondo Fare Finder

 
Customize your flight search to find flights from Dublin to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated May 22, 2026.
Use the filters below to find and compare flights from Dublin to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DublinOntario

DUB - ONT

DUBONT

Dublin

Tue 6/2

12:40 pm-1:28 pm

1 stop32h 48m

Ontario

Sat 6/6

2:18 pm-9:45 am

1 stop35h 27m

$616

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 6/5

11:45 am-10:36 pm

1 stop18h 51m

Ontario

Sun 6/21

11:59 pm-9:45 am

1 stop25h 46m

$617

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 6/4

12:40 pm-10:39 pm

1 stop17h 59m

Ontario

Sat 6/20

2:18 pm-9:45 am

1 stop35h 27m

$635

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 6/4

12:40 pm-11:59 pm

1 stop19h 19m

Ontario

Mon 6/8

1:11 pm-8:05 am

2 stops34h 54m

$637

DublinOntario

DUB - ONT

DUBONT

Dublin

Mon 6/1

12:40 pm-7:56 pm

1 stop15h 16m

Ontario

Sun 6/28

7:00 am-9:45 am

1 stop18h 45m

$660

DublinOntario

DUB - ONT

DUBONT

Dublin

Mon 6/1

12:40 pm-11:59 pm

1 stop19h 19m

Ontario

Fri 6/26

2:18 pm-9:45 am

1 stop35h 27m

$672

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 9/30

11:30 am-8:13 pm

1 stop16h 43m

Ontario

Mon 10/5

9:10 pm-9:00 am

1 stop27h 50m

$693

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 7/8

11:30 am-10:35 pm

1 stop19h 05m

Ontario

Mon 7/13

11:50 pm-9:00 am

1 stop25h 10m

$711

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 6/4

11:30 am-8:47 pm

1 stop17h 17m

Ontario

Sat 6/20

11:09 pm-9:00 am

1 stop25h 51m

$739
Quickest round-trip

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 6/18

12:40 pm-7:56 pm

1 stop15h 16m

Ontario

Wed 7/8

12:35 pm-9:45 am

1 stop13h 10m

$745

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Dublin to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on Dublin to Ontario flights?

You could potentially save up to 36% on your flight if you consider stops on a Dublin to Ontario flight.

When to book flights from Dublin to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Dublin to Ontario according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Dublin to Ontario (DUB to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Dublin to Ontario

Fastest flight time

16h 43m

Direct flights

None
The fastest flight from Dublin to Ontario takes 16h 43m
There are no direct flights from Dublin to Ontario. There are no popular flight routes from Dublin to Ontario.
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Frequently asked questions about flying from Dublin to Ontario

  • How far is Dublin to Ontario by plane?

    Ontario is 5136.8 mi away from Dublin. By plane, this route typically takes 16h 43m.

  • When did momondo last update prices for flights from Dublin Airport to Ontario Airport?

    Prices for flights from Dublin Airport to Ontario Airport refresh daily.

  • How old do you have to be to fly from Dublin Airport to Ontario Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Dublin Airport to Ontario Airport.

  • What documentation or ID do you need to fly to Ontario Airport?

    The necessary travel and health documents for your Ontario Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Dublin to Ontario?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Dublin to Ontario for you.

Can I find flights from Dublin to Ontario with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Dublin to Ontario flights to just show those with flexible booking policies.

How can momondo help me find flights from Dublin to Ontario?

momondo helps you find the best flight between Dublin and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Dublin to Ontario right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Dublin to Ontario flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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