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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 8/27. 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.
British Airways Logo
8:35 am - 10:59 pm
DUB
-
ONT
22h 24m
2 stops
British Airways Logo
2:27 pm - 6:50 pm
ONT
-
DUB
20h 23m
2 stops
$685British Airways
Tue, Aug 25 - Tue, Sep 1
Multiple Airlines Logo
12:40 pm - 6:47 pm
DUB
-
ONT
14h 07m
1 stop
Multiple Airlines Logo
10:25 am - 9:45 am
ONT
-
DUB
15h 20m
1 stop
$690Multiple Airlines
Fri, Aug 28 - Thu, Sep 10
Multiple Airlines Logo
12:40 pm - 6:47 pm
DUB
-
ONT
14h 07m
1 stop
Multiple Airlines Logo
10:25 am - 9:45 am
ONT
-
DUB
15h 20m
1 stop
$691Multiple Airlines
Fri, Aug 28 - Thu, Sep 10
JetBlue Logo
11:30 am - 9:59 pm
DUB
-
ONT
18h 29m
1 stop
JetBlue Logo
11:50 pm - 9:00 am
ONT
-
DUB
25h 10m
1 stop
$693JetBlue
Sat, Sep 5 - Sun, Sep 6
Iberia Logo
9:50 am - 10:59 pm
DUB
-
ONT
21h 09m
2 stops
Iberia Logo
7:05 am - 9:45 am
ONT
-
DUB
18h 40m
1 stop
$696Iberia
Tue, Sep 1 - Sun, Sep 6
American Airlines Logo
1:00 pm - 9:11 pm
DUB
-
ONT
15h 11m
1 stop
American Airlines Logo
6:10 am - 7:15 am
ONT
-
DUB
17h 05m
1 stop
$697American Airlines
Wed, Oct 28 - Tue, Nov 3
American Airlines Logo
1:00 pm - 11:57 pm
DUB
-
ONT
18h 57m
1 stop
American Airlines Logo
10:47 am - 7:15 am
ONT
-
DUB
12h 28m
1 stop
$698American Airlines
Sat, Nov 14 - Fri, Nov 27
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
$700American Airlines
Thu, Aug 27 - Wed, Sep 9
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
$701American Airlines
Thu, Aug 27 - Wed, Sep 9
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
$702American Airlines
Thu, Aug 27 - Wed, Sep 9

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Iberia flights from Dublin to Ontario

Our best Iberia deals on Dublin to Ontario flight tickets
Iberia
Sep 1
DUB9:50 amDublin
21h 09m
2 stops
ONT10:59 pmOntario
Sep 6
ONT7:05 amOntario
18h 40m
1 stop
DUB9:45 amDublin
$696
Iberia
Oct 4
DUB12:40 pmDublin
18h 56m
1 stop
ONT11:36 pmOntario
Oct 9
ONT2:22 pmOntario
35h 23m
1 stop
DUB9:45 amDublin
$718
Iberia
Aug 25
DUB9:50 amDublin
21h 09m
2 stops
ONT10:59 pmOntario
Sep 1
ONT2:27 pmOntario
35h 18m
1 stop
DUB9:45 amDublin
$732

American Airlines flights from Dublin to Ontario

Our best American Airlines deals on Dublin to Ontario flight tickets
American Airlines
Oct 28
DUB1:00 pmDublin
15h 11m
1 stop
ONT9:11 pmOntario
Nov 3
ONT6:10 amOntario
17h 05m
1 stop
DUB7:15 amDublin
$697
American Airlines
Nov 14
DUB1:00 pmDublin
18h 57m
1 stop
ONT11:57 pmOntario
Nov 27
ONT10:47 amOntario
12h 28m
1 stop
DUB7:15 amDublin
$698
American Airlines
Aug 27
DUB12:40 pmDublin
14h 07m
1 stop
ONT6:47 pmOntario
Sep 9
ONT12:37 pmOntario
13h 08m
1 stop
DUB9:45 amDublin
$700

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 July 13, 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 8/25

8:35 am-10:59 pm

2 stops22h 24m

Ontario

Tue 9/1

2:27 pm-6:50 pm

2 stops20h 23m

$685

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 8/28

12:40 pm-6:47 pm

1 stop14h 07m

Ontario

Thu 9/10

10:25 am-9:45 am

1 stop15h 20m

$690

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 8/28

12:40 pm-6:47 pm

1 stop14h 07m

Ontario

Thu 9/10

10:25 am-9:45 am

1 stop15h 20m

$691

DublinOntario

DUB - ONT

DUBONT

Dublin

Sat 9/5

11:30 am-9:59 pm

1 stop18h 29m

Ontario

Sun 9/6

11:50 pm-9:00 am

1 stop25h 10m

$693

DublinOntario

DUB - ONT

DUBONT

Dublin

Tue 9/1

9:50 am-10:59 pm

2 stops21h 09m

Ontario

Sun 9/6

7:05 am-9:45 am

1 stop18h 40m

$696

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 10/28

1:00 pm-9:11 pm

1 stop15h 11m

Ontario

Tue 11/3

6:10 am-7:15 am

1 stop17h 05m

$697

DublinOntario

DUB - ONT

DUBONT

Dublin

Sat 11/14

1:00 pm-11:57 pm

1 stop18h 57m

Ontario

Fri 11/27

10:47 am-7:15 am

1 stop12h 28m

$698
Quickest round-trip

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 8/27

12:40 pm-6:47 pm

1 stop14h 07m

Ontario

Wed 9/9

12:37 pm-9:45 am

1 stop13h 08m

$700

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 8/27

12:40 pm-6:47 pm

1 stop14h 07m

Ontario

Wed 9/9

12:37 pm-9:45 am

1 stop13h 08m

$701

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 8/27

12:40 pm-6:47 pm

1 stop14h 07m

Ontario

Wed 9/9

12:37 pm-9:45 am

1 stop13h 08m

$702

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

18h 29m

Direct flights

None
The fastest flight from Dublin to Ontario takes 18h 29m
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 18h 29m.

  • 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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