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 travel and health documents required for your trip to Ontario Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£417 Cheap Flights from Dublin to Ontario in 2026

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Find the cheapest flights from Dublin to Los Angeles

Round-trip

One-way

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Cheap return flights

Enter your travel dates to find the best prices.

13:00 - 22:23

DUB

ONT

17h 23m

1 stop

07:00 - 07:15

ONT

DUB

16h 15m

1 stop

£528Iberia

Mon, 9 Nov - Mon, 16 Nov

09:45 - 18:18

DUB

ONT

16h 33m

1 stop

07:00 - 07:45

ONT

DUB

16h 45m

1 stop

£601KLM

Fri, 6 Nov - Fri, 13 Nov

11:00 - 18:18

DUB

ONT

15h 18m

1 stop

07:00 - 07:45

ONT

DUB

16h 45m

1 stop

£626KLM

Wed, 14 Oct - Thu, 26 Nov

12:40 - 19:59

DUB

ONT

15h 19m

1 stop

12:35 - 09:45

ONT

DUB

13h 10m

1 stop

£635Iberia

Sat, 4 Jul - Sat, 18 Jul

05:55 - 17:19

DUB

ONT

19h 24m

2 stops

17:21 - 07:55

ONT

DUB

30h 34m

2 stops

£638Delta

Tue, 16 Jun - Sat, 20 Jun

05:55 - 16:24

DUB

ONT

18h 29m

2 stops

07:00 - 08:45

ONT

DUB

17h 45m

1 stop

£639Delta

Sat, 29 Aug - Tue, 8 Sep

09:50 - 22:35

DUB

ONT

20h 45m

2 stops

07:00 - 07:20

ONT

DUB

16h 20m

2 stops

£641United Airlines

Sat, 29 Aug - Tue, 8 Sep

11:00 - 18:18

DUB

ONT

15h 18m

1 stop

12:00 - 08:45

ONT

DUB

12h 45m

1 stop

£646Multiple Airlines

Wed, 14 Oct - Wed, 21 Oct

11:00 - 18:18

DUB

ONT

15h 18m

1 stop

12:00 - 08:45

ONT

DUB

12h 45m

1 stop

£647Multiple Airlines

Fri, 9 Oct - Sun, 11 Oct

11:00 - 18:01

DUB

ONT

15h 01m

1 stop

07:00 - 09:15

ONT

DUB

18h 15m

2 stops

£676KLM

Tue, 8 Sep - Tue, 20 Oct

KLM flights from Dublin to Ontario

Our best KLM deals on Dublin to Ontario flight tickets

KLM

6 Nov

DUB09:45Dublin

16h 33m

1 stop

ONT18:18Ontario

13 Nov

ONT07:00Ontario

16h 45m

1 stop

DUB07:45Dublin

£601

KLM

14 Oct

DUB11:00Dublin

15h 18m

1 stop

ONT18:18Ontario

26 Nov

ONT07:00Ontario

16h 45m

1 stop

DUB07:45Dublin

£626

KLM

8 Sept

DUB11:00Dublin

15h 01m

1 stop

ONT18:01Ontario

20 Oct

ONT07:00Ontario

18h 15m

2 stops

DUB09:15Dublin

£676

Delta flights from Dublin to Ontario

Our best Delta deals on Dublin to Ontario flight tickets

Delta

29 Aug

DUB05:55Dublin

18h 29m

2 stops

ONT16:24Ontario

8 Sept

ONT07:00Ontario

17h 45m

1 stop

DUB08:45Dublin

£639

Delta

18 Jul

DUB05:55Dublin

24h 57m

2 stops

ONT22:52Ontario

25 Jul

ONT07:05Ontario

17h 40m

1 stop

DUB08:45Dublin

£737

Delta

16 Aug

DUB11:00Dublin

18h 52m

1 stop

ONT21:52Ontario

21 Aug

ONT22:00Ontario

26h 45m

1 stop

DUB08:45Dublin

£855

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinOntario

DUB - ONT

DUBONT

Dublin

Mon 9/11

13:00-22:23

1 stop17h 23m

Ontario

Mon 16/11

07:00-07:15

1 stop16h 15m

£528

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 6/11

09:45-18:18

1 stop16h 33m

Ontario

Fri 13/11

07:00-07:45

1 stop16h 45m

£601

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 14/10

11:00-18:18

1 stop15h 18m

Ontario

Thu 26/11

07:00-07:45

1 stop16h 45m

£626

DublinOntario

DUB - ONT

DUBONT

Dublin

Sat 4/7

12:40-19:59

1 stop15h 19m

Ontario

Sat 18/7

12:35-09:45

1 stop13h 10m

£635

DublinOntario

DUB - ONT

DUBONT

Dublin

Tue 16/6

05:55-17:19

2 stops19h 24m

Ontario

Sat 20/6

17:21-07:55

2 stops30h 34m

£638

DublinOntario

DUB - ONT

DUBONT

Dublin

Sat 29/8

05:55-16:24

2 stops18h 29m

Ontario

Tue 8/9

07:00-08:45

1 stop17h 45m

£639

DublinOntario

DUB - ONT

DUBONT

Dublin

Sat 29/8

09:50-22:35

2 stops20h 45m

Ontario

Tue 8/9

07:00-07:20

2 stops16h 20m

£641

Fastest return journey

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 14/10

11:00-18:18

1 stop15h 18m

Ontario

Wed 21/10

12:00-08:45

1 stop12h 45m

£646

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 9/10

11:00-18:18

1 stop15h 18m

Ontario

Sun 11/10

12:00-08:45

1 stop12h 45m

£647

DublinOntario

DUB - ONT

DUBONT

Dublin

Tue 8/9

11:00-18:01

1 stop15h 01m

Ontario

Tue 20/10

07:00-09:15

2 stops18h 15m

£676

Flights are sorted by cheapest return 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?

British Airways, JetBlue, and Turkish Airlines are the most popular carriers operating from Dublin to Ontario

Which airlines fly to Ontario?

Aer Lingus, British Airways and Scandinavian 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 74% of people opting to fly with this airline when travelling to Ontario. Keep in mind that there are 9 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 return 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	17h 23m
Direct flights	None

The fastest flight from Dublin to Ontario takes 17h 23m

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?
There are 5136.8 mi between Dublin and Ontario. 17h 23m is a normal flight duration for this route.
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 travel and health documents required for your trip to Ontario Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from Dublin to Ontario?

It is quick and easy to find Dublin to Ontario flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ontario that suits you.

Can I find flights from Dublin to Ontario with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Ontario from Dublin with this policy.

How can momondo help me find flights from Dublin to Ontario?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ontario from Dublin.

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.