Which airlines fly to Ontario?

Aer Lingus is the airline most momondo users in Ireland opt for when booking flights to Ontario. British Airways, United Airlines and American Airlines are also popular choices when flying to Ontario from Ireland. Most major airlines flying from Ireland to Ontario will offer flights on a regular basis, though your options may vary depending on what airport you fly from.

€376 Cheap Flights to Ontario in 2025

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Find the cheapest flights from Ireland to Ontario

Round-trip

One-way

Last minute

Cheap return flights

13:10 - 23:43DUB-ONT

18h 33m2 stops

11:05 - 12:15ONT-DUB

17h 10m2 stops

€470American Airlines

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Wed, 25 Feb - Sun, 1 Mar

10:20 - 23:43DUB-ONT

21h 23m2 stops

17:03 - 16:50ONT-DUB

15h 47m2 stops

€471American Airlines

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Wed, 25 Feb - Sun, 1 Mar

09:20 - 22:52DUB-ONT

21h 32m2 stops

18:36 - 07:45ONT-DUB

29h 09m2 stops

€476Air Canada

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Sat, 27 Sep - Wed, 1 Oct

11:10 - 22:40DUB-ONT

19h 30m2 stops

11:55 - 15:00ONT-DUB

19h 05m2 stops

€480Delta

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Fri, 26 Sep - Tue, 30 Sep

05:55 - 22:40DUB-ONT

24h 45m2 stops

11:55 - 08:45ONT-DUB

12h 50m1 stop

€483Delta

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Fri, 26 Sep - Tue, 30 Sep

10:45 - 08:56DUB-ONT

29h 11m2 stops

10:47 - 07:10ONT-DUB

12h 23m1 stop

€487American Airlines

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Fri, 31 Oct - Thu, 13 Nov

09:45 - 19:19DUB-ONT

16h 34m1 stop

07:05 - 07:45ONT-DUB

16h 40m1 stop

€488KLM

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Fri, 31 Oct - Fri, 14 Nov

12:55 - 22:42DUB-ONT

16h 47m1 stop

10:47 - 07:10ONT-DUB

12h 23m1 stop

€489

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Sat, 1 Nov - Fri, 14 Nov

11:00 - 19:15DUB-ONT

16h 15m1 stop

11:55 - 08:45ONT-DUB

12h 50m1 stop

€491KLM

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Thu, 25 Sep - Mon, 29 Sep

11:45 - 20:07DUB-ONT

16h 22m1 stop

10:57 - 09:45ONT-DUB

14h 48m1 stop

€521

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Sat, 11 Oct - Fri, 17 Oct

Fly from

Route

Depart

Return

Price

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 25/2

13:10-23:43

2 stops18h 33m

Ontario

Sun 1/3

11:05-12:15

2 stops17h 10m

€470

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 25/2

10:20-23:43

2 stops21h 23m

Ontario

Sun 1/3

17:03-16:50

2 stops15h 47m

€471

DublinOntario

DUB - ONT

DUBONT

Dublin

Sat 27/9

09:20-22:52

2 stops21h 32m

Ontario

Wed 1/10

18:36-07:45

2 stops29h 09m

€476

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 26/9

11:10-22:40

2 stops19h 30m

Ontario

Tue 30/9

11:55-15:00

2 stops19h 05m

€480

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 26/9

05:55-22:40

2 stops24h 45m

Ontario

Tue 30/9

11:55-08:45

1 stop12h 50m

€483

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 31/10

10:45-08:56

2 stops29h 11m

Ontario

Thu 13/11

10:47-07:10

1 stop12h 23m

€487

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 31/10

09:45-19:19

1 stop16h 34m

Ontario

Fri 14/11

07:05-07:45

1 stop16h 40m

€488

DublinOntario

DUB - ONT

DUBONT

Dublin

Sat 1/11

12:55-22:42

1 stop16h 47m

Ontario

Fri 14/11

10:47-07:10

1 stop12h 23m

€489

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 25/9

11:00-19:15

1 stop16h 15m

Ontario

Mon 29/9

11:55-08:45

1 stop12h 50m

€491

DublinOntario

DUB - ONT

DUBONT

Dublin

Sat 11/10

11:45-20:07

1 stop16h 22m

Ontario

Fri 17/10

10:57-09:45

1 stop14h 48m

€521

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

Ontario flights insights and trends

Explore insights for your Ontario flight to craft the best travel plan

How long does it take to fly to Ontario?

Flight times vary depending on what airport in Ireland you fly out of and what airport in Ontario you fly into. For example, flying from Dublin to Los Angeles takes 11h on average. On the other hand, flying from Cork to Los Angeles takes 13h 45m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo to see if there are any available for your route.

Cheapest flights to Ontario

Find the cheapest flights to Ontario from your nearest city or airport

Find flights from Dublin to Palm Springs

Cheap Ontario flight deals and tips

Summary info about Ontario flight prices, duration and airlines

Best One-Way Price	€376
Best Round-Trip Price	€470
Fastest flight time	16h 23m

The best one-way flight price to Ontario from Ireland in the last 72 hours is €376 (Dublin to Ontario).

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The best round-trip flight price to Ontario from Ireland in the last 72 hours is €470 (Dublin to Ontario).

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The fastest flight to Ontario from Ireland takes 16h 23m (Dublin to Ontario).

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Frequently asked questions about flying to Ontario

Is there an alternative airport near Ontario?

Finding an alternative and possibly cheaper destination airport near Ontario is possible. If you are planning a flight to Ontario, consider booking flights to Ontario Airport (5 km from Ontario city centre), San Bernardino Int Airport (38 km from Ontario city centre), Santa Ana J. Wayne/Orange Cnty Airport (47 km from Ontario city centre), Long Beach Municipal Airport (54 km from Ontario city centre) or Burbank Bob Hope Airport (67 km from Ontario city centre).

Is there a cheaper alternative to flying into Ontario?

Burbank Bob Hope Airport has an average price of €79 per person and is typically the cheapest airport to fly into when visiting Ontario. This average price does vary based on departure city. Try momondo’s Airport-to-Airport Pricing Tool to find the cheapest flight.

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

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

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel 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 licence, 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 to Ontario?

Finding the right flight to Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. These options 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 to Ontario with flexible booking policies on momondo?

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

How can momondo help me find flights to Ontario?

Once you have performed a search for flights to Ontario, momondo helps you find the right flight by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to Ontario. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.