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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 8/26. 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.
Iberia Logo
12:40 pm - 10:59 pm
DUB
-
ONT
18h 19m
1 stop
Iberia Logo
10:25 am - 9:45 am
ONT
-
DUB
15h 20m
1 stop
$692Iberia
Fri, Sep 4 - Fri, Sep 11
JetBlue Logo
11:30 am - 10:37 pm
DUB
-
ONT
19h 07m
1 stop
JetBlue Logo
11:59 pm - 9:00 am
ONT
-
DUB
25h 01m
1 stop
$693JetBlue
Tue, Aug 25 - Mon, Sep 7
Iberia Logo
9:50 am - 10:59 pm
DUB
-
ONT
21h 09m
2 stops
Iberia Logo
10:25 am - 9:45 am
ONT
-
DUB
15h 20m
1 stop
$702Iberia
Thu, Aug 27 - Wed, Sep 9
Iberia Logo
9:50 am - 6:58 pm
DUB
-
ONT
41h 08m
2 stops
Iberia Logo
12:37 pm - 9:45 am
ONT
-
DUB
13h 08m
1 stop
$703Iberia
Fri, Sep 4 - Fri, Sep 11
Iberia Logo
1:00 pm - 9:39 pm
DUB
-
ONT
16h 39m
1 stop
Iberia Logo
7:00 am - 7:15 am
ONT
-
DUB
16h 15m
1 stop
$704Iberia
Thu, Nov 19 - Mon, Nov 23
American Airlines Logo
12:40 pm - 10:59 pm
DUB
-
ONT
18h 19m
1 stop
American Airlines Logo
12:37 pm - 9:45 am
ONT
-
DUB
13h 08m
1 stop
$705American Airlines
Thu, Aug 27 - Wed, Sep 9
American Airlines Logo
12:40 pm - 10:59 pm
DUB
-
ONT
18h 19m
1 stop
American Airlines Logo
12:37 pm - 9:45 am
ONT
-
DUB
13h 08m
1 stop
$706American Airlines
Thu, Aug 27 - Wed, Sep 9
American Airlines Logo
9:30 am - 6:47 pm
DUB
-
ONT
17h 17m
2 stops
American Airlines Logo
6:00 am - 6:30 am
ONT
-
DUB
16h 30m
2 stops
$707American 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
$708American Airlines
Thu, Aug 27 - Fri, Sep 11
Iberia Logo
12:40 pm - 9:09 pm
DUB
-
ONT
16h 29m
1 stop
Iberia Logo
10:25 am - 9:45 am
ONT
-
DUB
15h 20m
1 stop
$709Iberia
Thu, Sep 10 - Mon, Sep 14

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KLM flights from Dublin to Ontario

Our best KLM deals on Dublin to Ontario flight tickets
KLM
Nov 23
DUB9:45 amDublin
16h 33m
1 stop
ONT6:18 pmOntario
Dec 4
ONT7:00 amOntario
17h 45m
2 stops
DUB8:45 amDublin
$832
KLM
Sep 8
DUB5:55 amDublin
19h 24m
2 stops
ONT5:19 pmOntario
Sep 15
ONT7:05 amOntario
17h 40m
1 stop
DUB8:45 amDublin
$835
KLM
Aug 5
DUB11:00 amDublin
16h 53m
1 stop
ONT7:53 pmOntario
Aug 12
ONT7:05 amOntario
18h 55m
2 stops
DUB10:00 amDublin
$1,013

Iberia flights from Dublin to Ontario

Our best Iberia deals on Dublin to Ontario flight tickets
Iberia
Sep 4
DUB12:40 pmDublin
18h 19m
1 stop
ONT10:59 pmOntario
Sep 11
ONT10:25 amOntario
15h 20m
1 stop
DUB9:45 amDublin
$692
Iberia
Aug 27
DUB9:50 amDublin
21h 09m
2 stops
ONT10:59 pmOntario
Sep 9
ONT10:25 amOntario
15h 20m
1 stop
DUB9:45 amDublin
$702
Iberia
Sep 4
DUB9:50 amDublin
41h 08m
2 stops
ONT6:58 pmOntario
Sep 11
ONT12:37 pmOntario
13h 08m
1 stop
DUB9:45 amDublin
$703

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 26, 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

Fri 9/4

12:40 pm-10:59 pm

1 stop18h 19m

Ontario

Fri 9/11

10:25 am-9:45 am

1 stop15h 20m

$692

DublinOntario

DUB - ONT

DUBONT

Dublin

Tue 8/25

11:30 am-10:37 pm

1 stop19h 07m

Ontario

Mon 9/7

11:59 pm-9:00 am

1 stop25h 01m

$693

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 8/27

9:50 am-10:59 pm

2 stops21h 09m

Ontario

Wed 9/9

10:25 am-9:45 am

1 stop15h 20m

$702

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 9/4

9:50 am-6:58 pm

2 stops41h 08m

Ontario

Fri 9/11

12:37 pm-9:45 am

1 stop13h 08m

$703

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 11/19

1:00 pm-9:39 pm

1 stop16h 39m

Ontario

Mon 11/23

7:00 am-7:15 am

1 stop16h 15m

$704

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 8/27

12:40 pm-10:59 pm

1 stop18h 19m

Ontario

Wed 9/9

12:37 pm-9:45 am

1 stop13h 08m

$705

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 8/27

12:40 pm-10:59 pm

1 stop18h 19m

Ontario

Wed 9/9

12:37 pm-9:45 am

1 stop13h 08m

$706

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 8/27

9:30 am-6:47 pm

2 stops17h 17m

Ontario

Wed 9/9

6:00 am-6:30 am

2 stops16h 30m

$707
Quickest round-trip

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 8/27

12:40 pm-6:47 pm

1 stop14h 07m

Ontario

Fri 9/11

12:37 pm-9:45 am

1 stop13h 08m

$708

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 9/10

12:40 pm-9:09 pm

1 stop16h 29m

Ontario

Mon 9/14

10:25 am-9:45 am

1 stop15h 20m

$709

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

What is the cheapest airline that flies from Dublin to Ontario?

JetBlue is the most popular carrier operating from Dublin to Ontario

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

19h 05m

Direct flights

None
The fastest flight from Dublin to Ontario takes 19h 05m
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 19h 05m.

  • 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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