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.

$452 Cheap Flights from Dublin to Ontario in 2025/26

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Cheap round-trip flights

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8:50 am - 11:58 pm

DUB

ONT

23h 08m2 stops

6:10 am - 7:40 pm

ONT

DUB

29h 30m2 stops

$452British Airways

Thu, Feb 26 - Mon, Mar 2

11:45 am - 5:36 pm

DUB

ONT

13h 51m1 stop

12:50 pm - 9:45 am

ONT

DUB

12h 55m1 stop

$559Multiple Airlines

Fri, May 29 - Fri, Jun 12

1:10 pm - 11:58 pm

DUB

ONT

18h 48m2 stops

3:19 pm - 5:05 pm

ONT

DUB

17h 46m2 stops

$594American Airlines

Thu, Feb 26 - Mon, Mar 2

1:45 pm - 9:56 pm

DUB

ONT

16h 11m1 stop

12:55 pm - 9:45 am

ONT

DUB

12h 50m1 stop

$679American Airlines

Wed, Apr 8 - Mon, Apr 20

11:45 am - 5:36 pm

DUB

ONT

13h 51m1 stop

12:50 pm - 9:45 am

ONT

DUB

12h 55m1 stop

$680Multiple Airlines

Tue, Jun 2 - Thu, Jun 11

11:45 am - 5:36 pm

DUB

ONT

13h 51m1 stop

12:50 pm - 9:45 am

ONT

DUB

12h 55m1 stop

$703American Airlines

Fri, May 29 - Tue, Jun 9

11:45 am - 5:36 pm

DUB

ONT

13h 51m1 stop

12:50 pm - 9:45 am

ONT

DUB

12h 55m1 stop

$727American Airlines

Fri, May 29 - Sat, Jun 6

11:00 am - 9:04 pm

DUB

ONT

18h 04m1 stop

7:00 am - 8:45 am

ONT

DUB

17h 45m1 stop

$801Multiple Airlines

Sat, Apr 11 - Thu, Apr 16

11:00 am - 6:15 pm

DUB

ONT

15h 15m1 stop

7:00 am - 8:45 am

ONT

DUB

17h 45m1 stop

$954Delta

Fri, Jun 5 - Thu, Jun 11

11:30 am - 10:20 pm

DUB

ONT

18h 50m2 stops

8:55 am - 10:15 am

ONT

DUB

17h 20m2 stops

$1,217Multiple Airlines

Thu, Jan 15 - Wed, Jan 28

British Airways flights from Dublin to Ontario

Our best British Airways deals on Dublin to Ontario flight tickets

British Airways

Feb 26

DUB8:50 amDublin

23h 08m

2 stops

ONT11:58 pmOntario

Mar 2

ONT6:10 amOntario

29h 30m

2 stops

DUB7:40 pmDublin

$452

Find similar

British Airways

Jan 5

DUB12:05 pmDublin

18h 09m

2 stops

ONT10:14 pmOntario

Apr 14

ONT11:01 amOntario

16h 14m

2 stops

DUB11:15 amDublin

$2,784

Find similar

United Airlines flights from Dublin to Ontario

Our best United Airlines deals on Dublin to Ontario flight tickets

United Airlines

Dec 26

DUB12:05 pmDublin

18h 36m

2 stops

ONT10:41 pmOntario

Jan 7

ONT8:00 amOntario

15h 30m

2 stops

DUB7:30 amDublin

$926

Find similar

United Airlines

Dec 27

DUB10:40 amDublin

19h 45m

1 stop

ONT10:25 pmOntario

Jan 10

ONT6:00 amOntario

18h 10m

2 stops

DUB8:10 amDublin

$976

Find similar

United Airlines

Jan 6

DUB10:40 amDublin

19h 19m

2 stops

ONT9:59 pmOntario

Jan 13

ONT8:00 amOntario

15h 30m

2 stops

DUB7:30 amDublin

$1,379

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 2/26

8:50 am-11:58 pm

2 stops23h 08m

Ontario

Mon 3/2

6:10 am-7:40 pm

2 stops29h 30m

$452

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 5/29

11:45 am-5:36 pm

1 stop13h 51m

Ontario

Fri 6/12

12:50 pm-9:45 am

1 stop12h 55m

$559

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 2/26

1:10 pm-11:58 pm

2 stops18h 48m

Ontario

Mon 3/2

3:19 pm-5:05 pm

2 stops17h 46m

$594

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 4/8

1:45 pm-9:56 pm

1 stop16h 11m

Ontario

Mon 4/20

12:55 pm-9:45 am

1 stop12h 50m

$679

DublinOntario

DUB - ONT

DUBONT

Dublin

Tue 6/2

11:45 am-5:36 pm

1 stop13h 51m

Ontario

Thu 6/11

12:50 pm-9:45 am

1 stop12h 55m

$680

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 5/29

11:45 am-5:36 pm

1 stop13h 51m

Ontario

Tue 6/9

12:50 pm-9:45 am

1 stop12h 55m

$703

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 5/29

11:45 am-5:36 pm

1 stop13h 51m

Ontario

Sat 6/6

12:50 pm-9:45 am

1 stop12h 55m

$727

DublinOntario

DUB - ONT

DUBONT

Dublin

Sat 4/11

11:00 am-9:04 pm

1 stop18h 04m

Ontario

Thu 4/16

7:00 am-8:45 am

1 stop17h 45m

$801

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 6/5

11:00 am-6:15 pm

1 stop15h 15m

Ontario

Thu 6/11

7:00 am-8:45 am

1 stop17h 45m

$954

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 1/15

11:30 am-10:20 pm

2 stops18h 50m

Ontario

Wed 1/28

8:55 am-10:15 am

2 stops17h 20m

$1,217

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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, Aer Lingus, and British Airways are the most popular carriers 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 67% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 6 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	13h 51m
Direct flights	None

The fastest flight from Dublin to Ontario takes 13h 51m

There are no direct flights from Dublin to Ontario. There are no popular flight routes from Dublin to Ontario.

Search flight deals

How far is Dublin to Ontario by plane?
Ontario is 5136.8 mi away from Dublin. By plane, this route typically takes 13h 51m.
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.