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.

€379 Cheap Flights from Dublin to Ontario in 2026

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One-way

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Cheap return flights

Enter your travel dates to find the best prices.

12:55 - 09:40DUB Dublin-ONT Ontario

28h 45m1 stop Dallas/Fort Worth

10:30 - 07:10ONT Ontario-DUB Dublin

12h 40m1 stop Dallas/Fort Worth

€551Multiple Airlines

Mon, 2 Nov - Sun, 15 Nov

08:50 - 21:59DUB Dublin-ONT Ontario

21h 09m2 stops London Heathrow Phoenix Sky Harbor Intl

10:40 - 15:25ONT Ontario-DUB Dublin

20h 45m2 stops Dallas/Fort Worth London Heathrow

€553British Airways

Thu, 21 Jan - Mon, 25 Jan

10:50 - 23:17DUB Dublin-ONT Ontario

20h 27m2 stops London Heathrow Dallas/Fort Worth

13:24 - 19:45ONT Ontario-DUB Dublin

22h 21m2 stops Phoenix Sky Harbor Intl London Heathrow

€553British Airways

Thu, 21 Jan - Mon, 25 Jan

10:50 - 21:59DUB Dublin-ONT Ontario

19h 09m2 stops London Heathrow Phoenix Sky Harbor Intl

07:00 - 12:10ONT Ontario-DUB Dublin

21h 10m2 stops Dallas/Fort Worth London Heathrow

€553British Airways

Thu, 14 Jan - Sun, 17 Jan

08:50 - 21:59DUB Dublin-ONT Ontario

21h 09m2 stops London Heathrow Phoenix Sky Harbor Intl

10:40 - 15:25ONT Ontario-DUB Dublin

20h 45m2 stops Dallas/Fort Worth London Heathrow

€554British Airways

Thu, 21 Jan - Mon, 25 Jan

12:55 - 09:40DUB Dublin-ONT Ontario

28h 45m1 stop Dallas/Fort Worth

10:30 - 07:10ONT Ontario-DUB Dublin

12h 40m1 stop Dallas/Fort Worth

€561American Airlines

Mon, 2 Nov - Sun, 15 Nov

12:55 - 09:40DUB Dublin-ONT Ontario

28h 45m1 stop Dallas/Fort Worth

07:00 - 07:10ONT Ontario-DUB Dublin

16h 10m1 stop Dallas/Fort Worth

€561American Airlines

Mon, 2 Nov - Sun, 15 Nov

12:55 - 09:40DUB Dublin-ONT Ontario

28h 45m1 stop Dallas/Fort Worth

10:30 - 07:10ONT Ontario-DUB Dublin

12h 40m1 stop Dallas/Fort Worth

€561American Airlines

Mon, 2 Nov - Mon, 16 Nov

12:55 - 21:11DUB Dublin-ONT Ontario

15h 16m1 stop Dallas/Fort Worth

07:00 - 07:10ONT Ontario-DUB Dublin

16h 10m1 stop Dallas/Fort Worth

€586American Airlines

Thu, 29 Oct - Sat, 14 Nov

12:55 - 21:11DUB Dublin-ONT Ontario

15h 16m1 stop Dallas/Fort Worth

07:00 - 07:10ONT Ontario-DUB Dublin

16h 10m1 stop Dallas/Fort Worth

€587Iberia

Thu, 29 Oct - Thu, 12 Nov

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British Airways flights from Dublin to Ontario

Our best British Airways deals on Dublin to Ontario flight tickets

British Airways

21 Jan

DUB10:50Dublin

20h 27m

2 stops

ONT23:17Ontario

25 Jan

ONT13:24Ontario

22h 21m

2 stops

DUB19:45Dublin

€553

British Airways

21 Jan

DUB08:50Dublin

21h 09m

2 stops

ONT21:59Ontario

25 Jan

ONT10:40Ontario

20h 45m

2 stops

DUB15:25Dublin

€554

British Airways

22 Oct

DUB13:00Dublin

28h 35m

2 stops

ONT09:35Ontario

29 Oct

ONT10:25Ontario

21h 30m

2 stops

DUB14:55Dublin

€716

American Airlines flights from Dublin to Ontario

Our best American Airlines deals on Dublin to Ontario flight tickets

American Airlines

2 Nov

DUB12:55Dublin

28h 45m

1 stop

ONT09:40Ontario

16 Nov

ONT10:30Ontario

12h 40m

1 stop

DUB07:10Dublin

€561

American Airlines

29 Oct

DUB12:55Dublin

15h 16m

1 stop

ONT21:11Ontario

14 Nov

ONT07:00Ontario

16h 10m

1 stop

DUB07:10Dublin

€586

American Airlines

23 Sept

DUB12:40Dublin

32h 45m

1 stop

ONT13:25Ontario

27 Sept

ONT08:25Ontario

17h 20m

1 stop

DUB09:45Dublin

€615

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Mon 2/11

12:55-09:40

1 stop28h 45m

Ontario

Sun 15/11

10:30-07:10

1 stop12h 40m

€551

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 21/1

08:50-21:59

2 stops21h 09m

Ontario

Mon 25/1

10:40-15:25

2 stops20h 45m

€553

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 21/1

10:50-23:17

2 stops20h 27m

Ontario

Mon 25/1

13:24-19:45

2 stops22h 21m

€553

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 14/1

10:50-21:59

2 stops19h 09m

Ontario

Sun 17/1

07:00-12:10

2 stops21h 10m

€553

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 21/1

08:50-21:59

2 stops21h 09m

Ontario

Mon 25/1

10:40-15:25

2 stops20h 45m

€554

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Mon 2/11

12:55-09:40

1 stop28h 45m

Ontario

Sun 15/11

10:30-07:10

1 stop12h 40m

€561

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Mon 2/11

12:55-09:40

1 stop28h 45m

Ontario

Sun 15/11

07:00-07:10

1 stop16h 10m

€561

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Mon 2/11

12:55-09:40

1 stop28h 45m

Ontario

Mon 16/11

10:30-07:10

1 stop12h 40m

€561

Fastest return journey

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 29/10

12:55-21:11

1 stop15h 16m

Ontario

Sat 14/11

07:00-07:10

1 stop16h 10m

€586

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 29/10

12:55-21:11

1 stop15h 16m

Ontario

Thu 12/11

07:00-07:10

1 stop16h 10m

€587

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?

KLM, Aer Lingus, and JetBlue are the most popular carriers 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 80% 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

Best price found	€379
Fastest flight time	14h 39m
Direct flights	None

The best one-way flight to Ontario from Dublin in the past 72 hours is €379. The best return flight deal from Dublin to Ontario found on momondo in the last 72 hours is €551.

The fastest flight from Dublin to Ontario takes 14h 39m

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?
A flight from Dublin to Ontario will travel around 8266.8 km. Flights usually cover this in 14h 39m, 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.