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.

$499 Cheap Flights from Dublin to Ontario in 2025/26

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4:00 pm - 6:17 pmDUB-ONT

34h 17m2 stops

3:04 pm - 5:00 pmONT-DUB

17h 56m2 stops

$499American Airlines

Find Deal

Fri, Dec 5 - Tue, Dec 9

3:10 pm - 6:18 pmDUB-ONT

35h 08m2 stops

2:53 pm - 4:50 pmONT-DUB

17h 57m2 stops

$500American Airlines

Find Deal

Wed, Dec 3 - Sun, Dec 7

12:55 pm - 10:28 pmDUB-ONT

17h 33m1 stop

12:46 pm - 5:00 pmONT-DUB

20h 14m2 stops

$502American Airlines

Find Deal

Fri, Dec 5 - Tue, Dec 9

12:55 pm - 10:28 pmDUB-ONT

17h 33m1 stop

10:47 am - 5:00 pmONT-DUB

22h 13m2 stops

$503American Airlines

Find Deal

Fri, Dec 5 - Tue, Dec 9

10:20 am - 10:28 pmDUB-ONT

20h 08m2 stops

6:00 am - 7:10 amONT-DUB

17h 10m1 stop

$520American Airlines

Find Deal

Wed, Dec 3 - Sun, Dec 7

12:40 pm - 10:02 pmDUB-ONT

17h 22m1 stop

12:55 pm - 9:45 amONT-DUB

12h 50m1 stop

$525American Airlines

Find Deal

Mon, Mar 30 - Tue, Apr 7

9:00 am - 8:58 pmDUB-ONT

19h 58m2 stops

8:00 am - 7:30 amONT-DUB

15h 30m2 stops

$666United Airlines

Find Deal

Wed, Feb 4 - Tue, Feb 17

9:30 am - 10:49 pmDUB-ONT

21h 19m3 stops

6:00 am - 7:30 amONT-DUB

17h 30m2 stops

$671United Airlines

Find Deal

Fri, Dec 5 - Tue, Dec 9

9:30 am - 10:49 pmDUB-ONT

21h 19m3 stops

5:05 am - 7:30 amONT-DUB

18h 25m2 stops

$672United Airlines

Find Deal

Fri, Dec 5 - Tue, Dec 9

9:30 am - 10:49 pmDUB-ONT

21h 19m3 stops

5:05 am - 7:30 amONT-DUB

18h 25m2 stops

$673United Airlines

Find Deal

Wed, Dec 3 - Sun, Dec 7

American Airlines flights from Dublin to Ontario

Our best American Airlines deals on Dublin to Ontario flight tickets

American Airlines

Dec 5

DUB4:00 pmDublin

34h 17m

2 stops

ONT6:17 pmOntario

Dec 9

ONT3:04 pmOntario

17h 56m

2 stops

DUB5:00 pmDublin

$499

Find similar

American Airlines

Dec 3

DUB3:10 pmDublin

35h 08m

2 stops

ONT6:18 pmOntario

Dec 7

ONT2:53 pmOntario

17h 57m

2 stops

DUB4:50 pmDublin

$500

Find similar

American Airlines

Dec 5

DUB12:55 pmDublin

17h 33m

1 stop

ONT10:28 pmOntario

Dec 9

ONT12:46 pmOntario

20h 14m

2 stops

DUB5:00 pmDublin

$502

Find similar

United Airlines flights from Dublin to Ontario

Our best United Airlines deals on Dublin to Ontario flight tickets

United Airlines

Feb 4

DUB9:00 amDublin

19h 58m

2 stops

ONT8:58 pmOntario

Feb 17

ONT8:00 amOntario

15h 30m

2 stops

DUB7:30 amDublin

$666

Find similar

United Airlines

Dec 5

DUB9:30 amDublin

21h 19m

3 stops

ONT10:49 pmOntario

Dec 9

ONT6:00 amOntario

17h 30m

2 stops

DUB7:30 amDublin

$671

Find similar

United Airlines

Dec 5

DUB9:30 amDublin

21h 19m

3 stops

ONT10:49 pmOntario

Dec 9

ONT5:05 amOntario

18h 25m

2 stops

DUB7:30 amDublin

$672

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 12/5

4:00 pm-6:17 pm

2 stops34h 17m

Ontario

Tue 12/9

3:04 pm-5:00 pm

2 stops17h 56m

$499

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 12/3

3:10 pm-6:18 pm

2 stops35h 08m

Ontario

Sun 12/7

2:53 pm-4:50 pm

2 stops17h 57m

$500

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 12/5

12:55 pm-10:28 pm

1 stop17h 33m

Ontario

Tue 12/9

12:46 pm-5:00 pm

2 stops20h 14m

$502

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 12/5

12:55 pm-10:28 pm

1 stop17h 33m

Ontario

Tue 12/9

10:47 am-5:00 pm

2 stops22h 13m

$503

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 12/3

10:20 am-10:28 pm

2 stops20h 08m

Ontario

Sun 12/7

6:00 am-7:10 am

1 stop17h 10m

$520

DublinOntario

DUB - ONT

DUBONT

Dublin

Mon 3/30

12:40 pm-10:02 pm

1 stop17h 22m

Ontario

Tue 4/7

12:55 pm-9:45 am

1 stop12h 50m

$525

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 2/4

9:00 am-8:58 pm

2 stops19h 58m

Ontario

Tue 2/17

8:00 am-7:30 am

2 stops15h 30m

$666

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 12/5

9:30 am-10:49 pm

3 stops21h 19m

Ontario

Tue 12/9

6:00 am-7:30 am

2 stops17h 30m

$671

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 12/5

9:30 am-10:49 pm

3 stops21h 19m

Ontario

Tue 12/9

5:05 am-7:30 am

2 stops18h 25m

$672

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 12/3

9:30 am-10:49 pm

3 stops21h 19m

Ontario

Sun 12/7

5:05 am-7:30 am

2 stops18h 25m

$673

Flights are sorted by cheapest round-trip flights 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?

British Airways is the most popular carrier operating from Dublin to Ontario

What airlines fly to Ontario?

Aer Lingus, American Airlines and United Airlines 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 62% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 7 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

Direct flights	None

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

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How far is Dublin to Ontario by plane?
Ontario is 5136.8 mi away from Dublin. By plane, this route typically takes 15h 35m.
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.