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Cheap flights from Dublin to Los Angeles from $357

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 8/20. 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

Find the cheapest flights from Dublin to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air France Logo
9:45 am - 6:18 pm
DUB
-
ONT
16h 33m
1 stop
Air France Logo
7:00 am - 7:45 am
ONT
-
DUB
16h 45m
1 stop
$688Air France
Mon, Nov 16 - Mon, Dec 7
Delta Logo
8:55 am - 9:52 pm
DUB
-
ONT
20h 57m
2 stops
Delta Logo
9:43 am - 3:25 pm
ONT
-
DUB
21h 42m
2 stops
$690Delta
Thu, Aug 27 - Sun, Aug 30
Delta Logo
8:55 am - 9:52 pm
DUB
-
ONT
20h 57m
2 stops
Delta Logo
10:00 pm - 8:45 am
ONT
-
DUB
26h 45m
1 stop
$693Delta
Thu, Aug 27 - Sun, Aug 30
Iberia Logo
1:00 pm - 11:06 pm
DUB
-
ONT
17h 06m
1 stop
Iberia Logo
6:10 am - 7:15 am
ONT
-
DUB
17h 05m
1 stop
$701Iberia
Thu, Oct 29 - Thu, Nov 26
Delta Logo
11:00 am - 6:30 pm
DUB
-
ONT
15h 30m
1 stop
Delta Logo
10:00 pm - 8:45 am
ONT
-
DUB
26h 45m
1 stop
$703Delta
Thu, Aug 27 - Sun, Aug 30
American Airlines Logo
12:40 pm - 6:47 pm
DUB
-
ONT
14h 07m
1 stop
American Airlines Logo
12:37 pm - 9:45 am
ONT
-
DUB
13h 08m
1 stop
$705American Airlines
Thu, Sep 3 - Sat, Sep 12
JetBlue Logo
11:30 am - 10:38 pm
DUB
-
ONT
19h 08m
1 stop
JetBlue Logo
11:59 pm - 9:00 am
ONT
-
DUB
25h 01m
1 stop
$723JetBlue
Fri, Aug 14 - Sun, Aug 30
Multiple Airlines Logo
9:40 am - 11:27 am
DUB
-
ONT
32h 47m
1 stop
Multiple Airlines Logo
7:00 am - 9:00 am
ONT
-
DUB
18h 00m
2 stops
$730Multiple Airlines
Thu, Oct 29 - Thu, Nov 26
American Airlines Logo
12:40 pm - 6:47 pm
DUB
-
ONT
14h 07m
1 stop
American Airlines Logo
12:37 pm - 9:45 am
ONT
-
DUB
13h 08m
1 stop
$732American Airlines
Mon, Sep 7 - Sun, Sep 13
Iberia Logo
1:00 pm - 11:06 pm
DUB
-
ONT
17h 06m
1 stop
Iberia Logo
7:00 am - 7:15 am
ONT
-
DUB
16h 15m
1 stop
$734Iberia
Fri, Oct 30 - Wed, Nov 4

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American Airlines flights from Dublin to Ontario

Our best American Airlines deals on Dublin to Ontario flight tickets
American Airlines
Sep 3
DUB12:40 pmDublin
14h 07m
1 stop
ONT6:47 pmOntario
Sep 12
ONT12:37 pmOntario
13h 08m
1 stop
DUB9:45 amDublin
$705
American Airlines
Sep 7
DUB12:40 pmDublin
14h 07m
1 stop
ONT6:47 pmOntario
Sep 13
ONT12:37 pmOntario
13h 08m
1 stop
DUB9:45 amDublin
$732
American Airlines
Sep 1
DUB12:40 pmDublin
14h 07m
1 stop
ONT6:47 pmOntario
Sep 24
ONT12:37 pmOntario
13h 08m
1 stop
DUB9:45 amDublin
$737

Iberia flights from Dublin to Ontario

Our best Iberia deals on Dublin to Ontario flight tickets
Iberia
Oct 29
DUB1:00 pmDublin
17h 06m
1 stop
ONT11:06 pmOntario
Nov 26
ONT6:10 amOntario
17h 05m
1 stop
DUB7:15 amDublin
$701
Iberia
Oct 30
DUB1:00 pmDublin
17h 06m
1 stop
ONT11:06 pmOntario
Nov 4
ONT7:00 amOntario
16h 15m
1 stop
DUB7:15 amDublin
$734
Iberia
Sep 15
DUB12:40 pmDublin
15h 29m
1 stop
ONT8:09 pmOntario
Sep 24
ONT12:37 pmOntario
13h 08m
1 stop
DUB9:45 amDublin
$739

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 25, 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 11/16

9:45 am-6:18 pm

1 stop16h 33m

Ontario

Mon 12/7

7:00 am-7:45 am

1 stop16h 45m

$688

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 8/27

8:55 am-9:52 pm

2 stops20h 57m

Ontario

Sun 8/30

9:43 am-3:25 pm

2 stops21h 42m

$690

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 8/27

8:55 am-9:52 pm

2 stops20h 57m

Ontario

Sun 8/30

10:00 pm-8:45 am

1 stop26h 45m

$693

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 10/29

1:00 pm-11:06 pm

1 stop17h 06m

Ontario

Thu 11/26

6:10 am-7:15 am

1 stop17h 05m

$701

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 8/27

11:00 am-6:30 pm

1 stop15h 30m

Ontario

Sun 8/30

10:00 pm-8:45 am

1 stop26h 45m

$703
Quickest round-trip

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 9/3

12:40 pm-6:47 pm

1 stop14h 07m

Ontario

Sat 9/12

12:37 pm-9:45 am

1 stop13h 08m

$705

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 8/14

11:30 am-10:38 pm

1 stop19h 08m

Ontario

Sun 8/30

11:59 pm-9:00 am

1 stop25h 01m

$723

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 10/29

9:40 am-11:27 am

1 stop32h 47m

Ontario

Thu 11/26

7:00 am-9:00 am

2 stops18h 00m

$730

DublinOntario

DUB - ONT

DUBONT

Dublin

Mon 9/7

12:40 pm-6:47 pm

1 stop14h 07m

Ontario

Sun 9/13

12:37 pm-9:45 am

1 stop13h 08m

$732

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 10/30

1:00 pm-11:06 pm

1 stop17h 06m

Ontario

Wed 11/4

7:00 am-7:15 am

1 stop16h 15m

$734

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Los Angeles from

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 30m

Direct flights

None
The fastest flight from Dublin to Ontario takes 15h 30m
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 30m.

  • 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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