When did momondo last update prices for flights from Dublin Airport to Ontario Airport?

Prices for flights from Dublin Airport to Ontario Airport are refreshed on a daily basis.

How old do you have to be to fly from Dublin Airport to Ontario Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Dublin Airport to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The travel and health documents you'll need for your trip to Ontario Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Ontario Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

€410 Cheap Flights from Dublin to Ontario in 2026

Find the cheapest flights from Dublin to Los Angeles

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One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

08:50 - 22:45DUB Dublin-ONT Ontario

21h 55m2 stops London Heathrow Dallas/Fort Worth

14:22 - 19:45ONT Ontario-DUB Dublin

21h 23m2 stops Dallas/Fort Worth London Heathrow

€614British Airways

Fri, 5 Feb - Mon, 8 Feb

10:50 - 22:45DUB Dublin-ONT Ontario

19h 55m2 stops London Heathrow Dallas/Fort Worth

12:43 - 17:05ONT Ontario-DUB Dublin

20h 22m2 stops Dallas/Fort Worth London Heathrow

€615British Airways

Fri, 5 Feb - Mon, 8 Feb

12:40 - 11:47DUB Dublin-ONT Ontario

31h 07m1 stop Dallas/Fort Worth

23:10 - 09:35ONT Ontario-DUB Dublin

26h 25m1 stop Charlotte Douglas

€618Multiple Airlines

Mon, 28 Sep - Mon, 5 Oct

12:40 - 22:59DUB Dublin-ONT Ontario

18h 19m1 stop Dallas/Fort Worth

12:37 - 09:45ONT Ontario-DUB Dublin

13h 08m1 stop Dallas/Fort Worth

€618Multiple Airlines

Thu, 27 Aug - Wed, 9 Sep

09:50 - 22:59DUB Dublin-ONT Ontario

21h 09m2 stops Madrid Barajas Dallas/Fort Worth

10:25 - 09:45ONT Ontario-DUB Dublin

15h 20m1 stop Dallas/Fort Worth

€623Iberia

Thu, 27 Aug - Wed, 9 Sep

09:50 - 22:59DUB Dublin-ONT Ontario

21h 09m2 stops Madrid Barajas Dallas/Fort Worth

07:05 - 09:45ONT Ontario-DUB Dublin

18h 40m1 stop Dallas/Fort Worth

€623Iberia

Thu, 27 Aug - Mon, 31 Aug

09:50 - 22:59DUB Dublin-ONT Ontario

21h 09m2 stops Madrid Barajas Dallas/Fort Worth

12:33 - 09:45ONT Ontario-DUB Dublin

13h 12m1 stop Dallas/Fort Worth

€623Iberia

Wed, 26 Aug - Sun, 30 Aug

12:40 - 20:09DUB Dublin-ONT Ontario

15h 29m1 stop Dallas/Fort Worth

10:25 - 09:45ONT Ontario-DUB Dublin

15h 20m1 stop Dallas/Fort Worth

€624Iberia

Tue, 29 Sep - Tue, 6 Oct

10:50 - 22:45DUB Dublin-ONT Ontario

19h 55m2 stops London Heathrow Dallas/Fort Worth

12:43 - 17:05ONT Ontario-DUB Dublin

20h 22m2 stops Dallas/Fort Worth London Heathrow

€627British Airways

Fri, 5 Feb - Mon, 8 Feb

12:40 - 22:59DUB Dublin-ONT Ontario

18h 19m1 stop Dallas/Fort Worth

10:29 - 09:45ONT Ontario-DUB Dublin

15h 16m1 stop Dallas/Fort Worth

€627Iberia

Thu, 27 Aug - Mon, 31 Aug

Cheap last-minute flights

Enter your travel dates to find the best prices.

12:40 - 18:47DUB Dublin-ONT Ontario

14h 07m1 stop Dallas/Fort Worth

12:33 - 09:45ONT Ontario-DUB Dublin

13h 12m1 stop Dallas/Fort Worth

€807American Airlines

Fri, 21 Aug - Tue, 25 Aug

09:50 - 18:11DUB Dublin-ONT Ontario

16h 21m2 stops Vancouver Intl San Francisco

09:01 - 08:15ONT Ontario-DUB Dublin

15h 14m2 stops San Francisco Toronto Pearson Intl

€888Multiple Airlines

Fri, 21 Aug - Tue, 25 Aug

12:40 - 18:47DUB Dublin-ONT Ontario

14h 07m1 stop Dallas/Fort Worth

12:33 - 09:45ONT Ontario-DUB Dublin

13h 12m1 stop Dallas/Fort Worth

€958American Airlines

Tue, 18 Aug - Tue, 25 Aug

15:25 - 23:11DUB Dublin-ONT Ontario

15h 46m1 stop Seattle/Tacoma Intl

10:29 - 09:45ONT Ontario-DUB Dublin

15h 16m1 stop Dallas/Fort Worth

€971Multiple Airlines

Tue, 18 Aug - Mon, 31 Aug

15:25 - 23:11DUB Dublin-ONT Ontario

15h 46m1 stop Seattle/Tacoma Intl

15:14 - 12:15ONT Ontario-DUB Dublin

13h 01m1 stop Seattle/Tacoma Intl

€996Multiple Airlines

Tue, 18 Aug - Sat, 12 Sep

15:25 - 23:11DUB Dublin-ONT Ontario

15h 46m1 stop Seattle/Tacoma Intl

15:14 - 12:15ONT Ontario-DUB Dublin

13h 01m1 stop Seattle/Tacoma Intl

€996Multiple Airlines

Tue, 18 Aug - Sat, 26 Sep

15:25 - 23:11DUB Dublin-ONT Ontario

15h 46m1 stop Seattle/Tacoma Intl

14:13 - 12:15ONT Ontario-DUB Dublin

14h 02m1 stop Seattle/Tacoma Intl

€996Multiple Airlines

Tue, 18 Aug - Sat, 3 Oct

12:40 - 18:47DUB Dublin-ONT Ontario

14h 07m1 stop Dallas/Fort Worth

12:37 - 09:45ONT Ontario-DUB Dublin

13h 08m1 stop Dallas/Fort Worth

€1,004British Airways

Tue, 18 Aug - Sun, 4 Oct

12:40 - 18:47DUB Dublin-ONT Ontario

14h 07m1 stop Dallas/Fort Worth

12:37 - 09:45ONT Ontario-DUB Dublin

13h 08m1 stop Dallas/Fort Worth

€1,004British Airways

Tue, 18 Aug - Fri, 2 Oct

12:40 - 18:47DUB Dublin-ONT Ontario

14h 07m1 stop Dallas/Fort Worth

12:37 - 09:45ONT Ontario-DUB Dublin

13h 08m1 stop Dallas/Fort Worth

€1,004British Airways

Tue, 18 Aug - Fri, 25 Sep

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American Airlines flights from Dublin to Ontario

Our best American Airlines deals on Dublin to Ontario flight tickets

American Airlines

27 Aug

DUB12:40Dublin

14h 07m

1 stop

ONT18:47Ontario

9 Sept

ONT12:37Ontario

13h 08m

1 stop

DUB09:45Dublin

€627

American Airlines

27 Aug

DUB12:40Dublin

18h 19m

1 stop

ONT22:59Ontario

10 Sept

ONT12:37Ontario

13h 08m

1 stop

DUB09:45Dublin

€627

American Airlines

7 Nov

DUB13:00Dublin

17h 57m

1 stop

ONT22:57Ontario

16 Nov

ONT10:30Ontario

12h 45m

1 stop

DUB07:15Dublin

€634

KLM flights from Dublin to Ontario

Our best KLM deals on Dublin to Ontario flight tickets

KLM

20 Oct

DUB11:00Dublin

17h 25m

1 stop

ONT20:25Ontario

1 Nov

ONT07:07Ontario

16h 38m

1 stop

DUB07:45Dublin

€732

KLM

3 Sept

DUB11:00Dublin

15h 30m

1 stop

ONT18:30Ontario

4 Dec

ONT07:00Ontario

16h 45m

1 stop

DUB07:45Dublin

€735

KLM

17 Aug

DUB11:00Dublin

15h 30m

1 stop

ONT18:30Ontario

1 Sept

ONT07:05Ontario

17h 40m

1 stop

DUB08:45Dublin

€1,149

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Fri 5/2

08:50-22:45

2 stops21h 55m

Ontario

Mon 8/2

14:22-19:45

2 stops21h 23m

€614

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Fri 5/2

10:50-22:45

2 stops19h 55m

Ontario

Mon 8/2

12:43-17:05

2 stops20h 22m

€615

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Mon 28/9

12:40-11:47

1 stop31h 07m

Ontario

Mon 5/10

23:10-09:35

1 stop26h 25m

€618

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 27/8

12:40-22:59

1 stop18h 19m

Ontario

Wed 9/9

12:37-09:45

1 stop13h 08m

€618

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 27/8

09:50-22:59

2 stops21h 09m

Ontario

Wed 9/9

10:25-09:45

1 stop15h 20m

€623

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 27/8

09:50-22:59

2 stops21h 09m

Ontario

Mon 31/8

07:05-09:45

1 stop18h 40m

€623

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Wed 26/8

09:50-22:59

2 stops21h 09m

Ontario

Sun 30/8

12:33-09:45

1 stop13h 12m

€623

Fastest return journey

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Tue 29/9

12:40-20:09

1 stop15h 29m

Ontario

Tue 6/10

10:25-09:45

1 stop15h 20m

€624

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Fri 5/2

10:50-22:45

2 stops19h 55m

Ontario

Mon 8/2

12:43-17:05

2 stops20h 22m

€627

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 27/8

12:40-22:59

1 stop18h 19m

Ontario

Mon 31/8

10:29-09:45

1 stop15h 16m

€627

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?

Iberia is the most popular carrier operating from Dublin to Ontario

Which airlines fly to Ontario?

Aer Lingus, British Airways and Iberia 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 79% of people opting to fly with this airline when travelling 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 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	15h 01m
Direct flights	None

The fastest flight from Dublin to Ontario takes 15h 01m

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?
A flight from Dublin to Ontario will travel around 8266.8 km. Flights usually cover this in 15h 01m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Dublin Airport to Ontario Airport?
Prices for flights from Dublin Airport to Ontario Airport are refreshed on a daily basis.
How old do you have to be to fly from Dublin Airport to Ontario Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Dublin Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The travel and health documents you'll need for your trip to Ontario Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Ontario Airport. It is always advisable to seek 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?

Finding the right flight to Ontario from Dublin is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ontario quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to Ontario from Dublin which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Dublin to Ontario flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Dublin to Ontario right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Dublin to Ontario now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ontario and let you know when they change.