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Cheap flights from Dublin to Los Angeles from $438

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 8/13. 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.
American Airlines Logo
1:00 pm - 11:57 pm
DUB
-
ONT
18h 57m
1 stop
American Airlines Logo
6:10 am - 7:15 am
ONT
-
DUB
17h 05m
1 stop
$702American Airlines
Wed, Nov 25 - Sun, Nov 29
American Airlines Logo
1:00 pm - 9:57 am
DUB
-
ONT
28h 57m
1 stop
American Airlines Logo
6:10 am - 7:15 am
ONT
-
DUB
17h 05m
1 stop
$703American Airlines
Wed, Nov 25 - Sun, Nov 29
American Airlines Logo
1:00 pm - 11:57 pm
DUB
-
ONT
18h 57m
1 stop
American Airlines Logo
7:00 am - 7:15 am
ONT
-
DUB
16h 15m
1 stop
$704American Airlines
Wed, Nov 25 - Sun, Nov 29
American Airlines Logo
1:00 pm - 11:57 pm
DUB
-
ONT
18h 57m
1 stop
American Airlines Logo
7:00 am - 7:15 am
ONT
-
DUB
16h 15m
1 stop
$706American Airlines
Wed, Nov 25 - Sun, Nov 29
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
$709American Airlines
Tue, Sep 1 - Thu, Sep 10
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
$710American Airlines
Thu, Sep 3 - Sat, Sep 12
Iberia Logo
12:40 pm - 9:09 pm
DUB
-
ONT
16h 29m
1 stop
Iberia Logo
12:35 pm - 9:45 am
ONT
-
DUB
13h 10m
1 stop
$712Iberia
Thu, Oct 1 - Wed, Oct 7
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
$743American Airlines
Wed, Sep 2 - Wed, Sep 9
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
$772JetBlue
Fri, Aug 28 - Mon, Sep 7
American Airlines Logo
12:40 pm - 6:47 pm
DUB
-
ONT
14h 07m
1 stop
American Airlines Logo
12:33 pm - 9:45 am
ONT
-
DUB
13h 12m
1 stop
$778American Airlines
Wed, Sep 2 - Mon, Sep 7

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American Airlines flights from Dublin to Ontario

Our best American Airlines deals on Dublin to Ontario flight tickets
American Airlines
Nov 25
DUB1:00 pmDublin
18h 57m
1 stop
ONT11:57 pmOntario
Nov 29
ONT6:10 amOntario
17h 05m
1 stop
DUB7:15 amDublin
$702
American Airlines
Nov 25
DUB1:00 pmDublin
28h 57m
1 stop
ONT9:57 amOntario
Nov 29
ONT6:10 amOntario
17h 05m
1 stop
DUB7:15 amDublin
$703
American Airlines
Nov 25
DUB1:00 pmDublin
18h 57m
1 stop
ONT11:57 pmOntario
Nov 29
ONT7:00 amOntario
16h 15m
1 stop
DUB7:15 amDublin
$704

Delta flights from Dublin to Ontario

Our best Delta deals on Dublin to Ontario flight tickets
Delta
Jun 15
DUB12:00 pmDublin
19h 49m
2 stops
ONT11:49 pmOntario
Jun 28
ONT7:05 amOntario
17h 40m
1 stop
DUB8:45 amDublin
$863
Delta
Jun 12
DUB11:00 amDublin
15h 30m
1 stop
ONT6:30 pmOntario
Jun 28
ONT7:05 amOntario
17h 40m
1 stop
DUB8:45 amDublin
$934
Delta
Jun 23
DUB5:55 amDublin
18h 46m
2 stops
ONT4:41 pmOntario
Jun 27
ONT5:59 pmOntario
29h 56m
2 stops
DUB7:55 amDublin
$964

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 10, 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

Wed 11/25

1:00 pm-11:57 pm

1 stop18h 57m

Ontario

Sun 11/29

6:10 am-7:15 am

1 stop17h 05m

$702

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 11/25

1:00 pm-9:57 am

1 stop28h 57m

Ontario

Sun 11/29

6:10 am-7:15 am

1 stop17h 05m

$703

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 11/25

1:00 pm-11:57 pm

1 stop18h 57m

Ontario

Sun 11/29

7:00 am-7:15 am

1 stop16h 15m

$704

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 11/25

1:00 pm-11:57 pm

1 stop18h 57m

Ontario

Sun 11/29

7:00 am-7:15 am

1 stop16h 15m

$706
Quickest round-trip

DublinOntario

DUB - ONT

DUBONT

Dublin

Tue 9/1

12:40 pm-6:47 pm

1 stop14h 07m

Ontario

Thu 9/10

12:37 pm-9:45 am

1 stop13h 08m

$709

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

$710

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 10/1

12:40 pm-9:09 pm

1 stop16h 29m

Ontario

Wed 10/7

12:35 pm-9:45 am

1 stop13h 10m

$712

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 9/2

12:40 pm-6:47 pm

1 stop14h 07m

Ontario

Wed 9/9

12:37 pm-9:45 am

1 stop13h 08m

$743

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 8/28

11:30 am-10:35 pm

1 stop19h 05m

Ontario

Mon 9/7

11:50 pm-9:00 am

1 stop25h 10m

$772

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 9/2

12:40 pm-6:47 pm

1 stop14h 07m

Ontario

Mon 9/7

12:33 pm-9:45 am

1 stop13h 12m

$778

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

14h 07m

Direct flights

None
The fastest flight from Dublin to Ontario takes 14h 07m
There are no direct flights from Dublin to Ontario. There are no popular flight routes from Dublin to Ontario.
Search flight deals

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 14h 07m.

  • 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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