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Cheap flights from Dublin to Los Angeles from $379

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 7/10. 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
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
11:45 am - 10:02 pm
DUB
-
ONT
42h 17m
2 stops
American Airlines Logo
11:59 pm - 9:35 am
ONT
-
DUB
25h 36m
2 stops
$620American Airlines
Fri, Jun 5 - Mon, Jun 8
American Airlines Logo
9:30 am - 6:38 pm
DUB
-
ONT
17h 08m
2 stops
American Airlines Logo
6:10 am - 6:30 am
ONT
-
DUB
40h 20m
2 stops
$621American Airlines
Wed, May 13 - Sun, May 17
Iberia Logo
12:40 pm - 11:59 pm
DUB
-
ONT
19h 19m
1 stop
Iberia Logo
12:35 pm - 9:45 am
ONT
-
DUB
13h 10m
1 stop
$764Iberia
Thu, Jun 18 - Wed, Jul 8
British Airways Logo
12:00 pm - 11:46 pm
DUB
-
ONT
19h 46m
2 stops
British Airways Logo
12:19 pm - 2:50 pm
ONT
-
DUB
18h 31m
2 stops
$766British Airways
Wed, May 13 - Sun, May 17
JetBlue Logo
11:30 am - 8:47 pm
DUB
-
ONT
17h 17m
1 stop
JetBlue Logo
11:09 pm - 9:00 am
ONT
-
DUB
25h 51m
1 stop
$768JetBlue
Wed, Jun 10 - Sat, Jun 20
American Airlines Logo
4:45 pm - 12:04 pm
DUB
-
ONT
27h 19m
2 stops
American Airlines Logo
10:00 pm - 9:35 am
ONT
-
DUB
27h 35m
1 stop
$780American Airlines
Fri, Jun 5 - Mon, Jun 8
Iberia Logo
12:40 pm - 7:56 pm
DUB
-
ONT
15h 16m
1 stop
Iberia Logo
10:22 am - 9:45 am
ONT
-
DUB
15h 23m
1 stop
$783Iberia
Thu, May 21 - Thu, May 28
Multiple Airlines Logo
12:50 pm - 10:37 pm
DUB
-
ONT
17h 47m
1 stop
Multiple Airlines Logo
6:02 am - 12:15 pm
ONT
-
DUB
22h 13m
1 stop
$787Multiple Airlines
Mon, Jun 15 - Mon, Jun 22
American Airlines Logo
2:25 pm - 11:59 pm
DUB
-
ONT
17h 34m
2 stops
American Airlines Logo
7:00 am - 8:10 am
ONT
-
DUB
17h 10m
2 stops
$793American Airlines
Mon, Jun 15 - Mon, Jun 22
American Airlines Logo
12:40 pm - 10:40 pm
DUB
-
ONT
18h 00m
1 stop
American Airlines Logo
10:26 pm - 9:35 am
ONT
-
DUB
27h 09m
1 stop
$808American Airlines
Wed, May 13 - Sun, May 17

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JetBlue flights from Dublin to Ontario

Our best JetBlue deals on Dublin to Ontario flight tickets
JetBlue
Jun 10
DUB11:30 amDublin
17h 17m
1 stop
ONT8:47 pmOntario
Jun 20
ONT11:09 pmOntario
25h 51m
1 stop
DUB9:00 amDublin
$768
JetBlue
Jun 10
DUB11:30 amDublin
17h 17m
1 stop
ONT8:47 pmOntario
Jun 20
ONT11:09 pmOntario
25h 51m
1 stop
DUB9:00 amDublin
$818
JetBlue
Jun 2
DUB11:30 amDublin
17h 17m
1 stop
ONT8:47 pmOntario
Jun 6
ONT10:41 pmOntario
26h 19m
1 stop
DUB9:00 amDublin
$848

Air France flights from Dublin to Ontario

Our best Air France deals on Dublin to Ontario flight tickets
Air France
Jun 10
DUB5:55 amDublin
18h 46m
2 stops
ONT4:41 pmOntario
Jun 20
ONT6:00 amOntario
17h 55m
2 stops
DUB7:55 amDublin
$907
Air France
May 11
DUB9:15 amDublin
20h 33m
2 stops
ONT9:48 pmOntario
May 18
ONT9:50 amOntario
15h 25m
2 stops
DUB9:15 amDublin
$1,192

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 May 2, 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 6/5

11:45 am-10:02 pm

2 stops42h 17m

Ontario

Mon 6/8

11:59 pm-9:35 am

2 stops25h 36m

$620

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 5/13

9:30 am-6:38 pm

2 stops17h 08m

Ontario

Sun 5/17

6:10 am-6:30 am

2 stops40h 20m

$621

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 6/18

12:40 pm-11:59 pm

1 stop19h 19m

Ontario

Wed 7/8

12:35 pm-9:45 am

1 stop13h 10m

$764

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 5/13

12:00 pm-11:46 pm

2 stops19h 46m

Ontario

Sun 5/17

12:19 pm-2:50 pm

2 stops18h 31m

$766

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 6/10

11:30 am-8:47 pm

1 stop17h 17m

Ontario

Sat 6/20

11:09 pm-9:00 am

1 stop25h 51m

$768

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 6/5

4:45 pm-12:04 pm

2 stops27h 19m

Ontario

Mon 6/8

10:00 pm-9:35 am

1 stop27h 35m

$780
Quickest round-trip

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 5/21

12:40 pm-7:56 pm

1 stop15h 16m

Ontario

Thu 5/28

10:22 am-9:45 am

1 stop15h 23m

$783

DublinOntario

DUB - ONT

DUBONT

Dublin

Mon 6/15

12:50 pm-10:37 pm

1 stop17h 47m

Ontario

Mon 6/22

6:02 am-12:15 pm

1 stop22h 13m

$787

DublinOntario

DUB - ONT

DUBONT

Dublin

Mon 6/15

2:25 pm-11:59 pm

2 stops17h 34m

Ontario

Mon 6/22

7:00 am-8:10 am

2 stops17h 10m

$793

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 5/13

12:40 pm-10:40 pm

1 stop18h 00m

Ontario

Sun 5/17

10:26 pm-9:35 am

1 stop27h 09m

$808

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

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

JetBlue is the most popular carrier operating from Dublin to Ontario

What airlines fly to Ontario?

Aer Lingus, American Airlines and Delta are the top three most popular airlines that fly to Ontario from Dublin according to our data. Aer Lingus is the first choice among our users, with 78% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 3 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

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 18m

Direct flights

None
The fastest flight from Dublin to Ontario takes 15h 18m
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 15h 18m.

  • 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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