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Cheap flights from Dublin to Los Angeles from $555

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 8/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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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
11:45 am - 10:36 pm
DUB
-
ONT
18h 51m
1 stop
American Airlines Logo
12:41 pm - 9:45 am
ONT
-
DUB
13h 04m
1 stop
$618American Airlines
Mon, Jun 15 - Sun, Jun 28
American Airlines Logo
11:30 am - 11:57 pm
DUB
-
ONT
20h 27m
2 stops
American Airlines Logo
6:20 am - 7:15 am
ONT
-
DUB
16h 55m
2 stops
$707American Airlines
Wed, Nov 25 - Sun, Nov 29
Iberia Logo
1:00 pm - 10:23 pm
DUB
-
ONT
17h 23m
1 stop
Iberia Logo
7:00 am - 7:15 am
ONT
-
DUB
16h 15m
1 stop
$710Iberia
Mon, Nov 9 - Mon, Nov 16
Iberia Logo
12:40 pm - 7:56 pm
DUB
-
ONT
15h 16m
1 stop
Iberia Logo
12:41 pm - 9:45 am
ONT
-
DUB
13h 04m
1 stop
$713Iberia
Tue, Jun 16 - Tue, Jun 23
American Airlines Logo
12:40 pm - 1:28 pm
DUB
-
ONT
32h 48m
1 stop
American Airlines Logo
11:59 pm - 9:45 am
ONT
-
DUB
25h 46m
1 stop
$803American Airlines
Tue, Jun 16 - Sat, Jun 20
Multiple Airlines Logo
9:40 am - 6:18 pm
DUB
-
ONT
16h 38m
1 stop
Multiple Airlines Logo
7:00 am - 7:45 am
ONT
-
DUB
16h 45m
1 stop
$804Multiple Airlines
Thu, Nov 19 - Wed, Dec 2
KLM Logo
9:45 am - 6:18 pm
DUB
-
ONT
16h 33m
1 stop
KLM Logo
7:00 am - 7:45 am
ONT
-
DUB
16h 45m
1 stop
$808KLM
Fri, Nov 6 - Fri, Nov 13
KLM Logo
11:00 am - 6:18 pm
DUB
-
ONT
15h 18m
1 stop
KLM Logo
7:00 am - 7:45 am
ONT
-
DUB
16h 45m
1 stop
$841KLM
Wed, Oct 14 - Thu, Nov 26
Iberia Logo
12:40 pm - 7:59 pm
DUB
-
ONT
15h 19m
1 stop
Iberia Logo
12:35 pm - 9:45 am
ONT
-
DUB
13h 10m
1 stop
$854Iberia
Sat, Jul 4 - Sat, Jul 18
Iberia Logo
12:40 pm - 7:59 pm
DUB
-
ONT
15h 19m
1 stop
Iberia Logo
10:25 am - 9:45 am
ONT
-
DUB
15h 20m
1 stop
$855Iberia
Fri, Jul 3 - Fri, Jul 31

JetBlue flights from Dublin to Ontario

Our best JetBlue deals on Dublin to Ontario flight tickets
JetBlue
Jun 16
DUB11:30 amDublin
19h 13m
1 stop
ONT10:43 pmOntario
Jun 20
ONT11:09 pmOntario
25h 51m
1 stop
DUB9:00 amDublin
$875
JetBlue
Aug 22
DUB11:30 amDublin
18h 35m
1 stop
ONT10:05 pmOntario
Aug 30
ONT11:50 pmOntario
25h 10m
1 stop
DUB9:00 amDublin
$909
JetBlue
Jul 5
DUB11:30 amDublin
19h 14m
1 stop
ONT10:44 pmOntario
Jul 11
ONT11:24 pmOntario
25h 36m
1 stop
DUB9:00 amDublin
$910

American Airlines flights from Dublin to Ontario

Our best American Airlines deals on Dublin to Ontario flight tickets
American Airlines
Jun 11
DUB11:45 amDublin
18h 51m
1 stop
ONT10:36 pmOntario
Jun 24
ONT11:59 pmOntario
25h 46m
1 stop
DUB9:45 amDublin
$617
American Airlines
Jun 15
DUB11:45 amDublin
18h 51m
1 stop
ONT10:36 pmOntario
Jun 28
ONT12:41 pmOntario
13h 04m
1 stop
DUB9:45 amDublin
$618
American Airlines
Nov 25
DUB11:30 amDublin
20h 27m
2 stops
ONT11:57 pmOntario
Nov 29
ONT6:20 amOntario
16h 55m
2 stops
DUB7:15 amDublin
$707

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 June 4, 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

Mon 6/15

11:45 am-10:36 pm

1 stop18h 51m

Ontario

Sun 6/28

12:41 pm-9:45 am

1 stop13h 04m

$618

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 11/25

11:30 am-11:57 pm

2 stops20h 27m

Ontario

Sun 11/29

6:20 am-7:15 am

2 stops16h 55m

$707

DublinOntario

DUB - ONT

DUBONT

Dublin

Mon 11/9

1:00 pm-10:23 pm

1 stop17h 23m

Ontario

Mon 11/16

7:00 am-7:15 am

1 stop16h 15m

$710
Quickest round-trip

DublinOntario

DUB - ONT

DUBONT

Dublin

Tue 6/16

12:40 pm-7:56 pm

1 stop15h 16m

Ontario

Tue 6/23

12:41 pm-9:45 am

1 stop13h 04m

$713

DublinOntario

DUB - ONT

DUBONT

Dublin

Tue 6/16

12:40 pm-1:28 pm

1 stop32h 48m

Ontario

Sat 6/20

11:59 pm-9:45 am

1 stop25h 46m

$803

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 11/19

9:40 am-6:18 pm

1 stop16h 38m

Ontario

Wed 12/2

7:00 am-7:45 am

1 stop16h 45m

$804

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 11/6

9:45 am-6:18 pm

1 stop16h 33m

Ontario

Fri 11/13

7:00 am-7:45 am

1 stop16h 45m

$808

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 10/14

11:00 am-6:18 pm

1 stop15h 18m

Ontario

Thu 11/26

7:00 am-7:45 am

1 stop16h 45m

$841

DublinOntario

DUB - ONT

DUBONT

Dublin

Sat 7/4

12:40 pm-7:59 pm

1 stop15h 19m

Ontario

Sat 7/18

12:35 pm-9:45 am

1 stop13h 10m

$854

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 7/3

12:40 pm-7:59 pm

1 stop15h 19m

Ontario

Fri 7/31

10:25 am-9:45 am

1 stop15h 20m

$855

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

15h 16m

Direct flights

None
The fastest flight from Dublin to Ontario takes 15h 16m
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 15h 16m.

  • 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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