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Flights to Ontario

€428 Cheap flights to Ontario

1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Ireland to Ontario

Cheap return flights

Enter your travel dates to find the best prices.
Aer Lingus Logo
15:25 - 23:42DUB  Dublin-ONT Ontario
16h 17m1 stop Seattle/Tacoma Intl
Aer Lingus Logo
13:52 - 11:45ONT  Ontario-DUB Dublin
13h 53m1 stop San Francisco
€428Aer Lingus
Mon, 5 Oct - Mon, 12 Oct
Multiple Airlines Logo
12:40 - 13:30DUB  Dublin-ONT Ontario
32h 50m1 stop Dallas/Fort Worth
Multiple Airlines Logo
14:22 - 09:45ONT  Ontario-DUB Dublin
35h 23m1 stop Dallas/Fort Worth
€623Multiple Airlines
Tue, 6 Oct - Tue, 13 Oct
Multiple Airlines Logo
12:40 - 13:30DUB  Dublin-ONT Ontario
32h 50m1 stop Dallas/Fort Worth
Multiple Airlines Logo
07:00 - 09:45ONT  Ontario-DUB Dublin
18h 45m1 stop Dallas/Fort Worth
€624Multiple Airlines
Tue, 6 Oct - Tue, 13 Oct
Multiple Airlines Logo
13:00 - 23:52DUB  Dublin-ONT Ontario
18h 52m1 stop Dallas/Fort Worth
Multiple Airlines Logo
10:30 - 07:15ONT  Ontario-DUB Dublin
12h 45m1 stop Dallas/Fort Worth
€625Multiple Airlines
Thu, 19 Nov - Mon, 23 Nov
Iberia Logo
12:40 - 23:52DUB  Dublin-ONT Ontario
19h 12m1 stop Dallas/Fort Worth
Iberia Logo
12:43 - 09:45ONT  Ontario-DUB Dublin
13h 02m1 stop Dallas/Fort Worth
€626Iberia
Tue, 6 Oct - Tue, 13 Oct
British Airways Logo
20:40 - 18:42DUB  Dublin-ONT Ontario
30h 02m2 stops London Heathrow Dallas/Fort Worth
British Airways Logo
10:37 - 14:05ONT  Ontario-DUB Dublin
19h 28m2 stops Dallas/Fort Worth London Heathrow
€626British Airways
Tue, 3 Nov - Wed, 25 Nov
British Airways Logo
20:40 - 18:57DUB  Dublin-ONT Ontario
30h 17m2 stops London Heathrow Dallas/Fort Worth
British Airways Logo
12:42 - 14:05ONT  Ontario-DUB Dublin
17h 23m2 stops Dallas/Fort Worth London Heathrow
€627British Airways
Mon, 30 Nov - Wed, 9 Dec
Multiple Airlines Logo
12:40 - 18:47DUB  Dublin-ONT Ontario
14h 07m1 stop Dallas/Fort Worth
Multiple Airlines Logo
10:25 - 09:45ONT  Ontario-DUB Dublin
15h 20m1 stop Dallas/Fort Worth
€628Multiple Airlines
Fri, 4 Sep - Sat, 19 Sep
Multiple Airlines Logo
12:40 - 13:30DUB  Dublin-ONT Ontario
32h 50m1 stop Dallas/Fort Worth
Multiple Airlines Logo
14:22 - 09:45ONT  Ontario-DUB Dublin
35h 23m1 stop Dallas/Fort Worth
€631Multiple Airlines
Tue, 6 Oct - Tue, 13 Oct
Iberia Logo
09:50 - 23:52DUB  Dublin-ONT Ontario
22h 02m2 stops Madrid Barajas Dallas/Fort Worth
Iberia Logo
10:25 - 09:45ONT  Ontario-DUB Dublin
15h 20m1 stop Dallas/Fort Worth
€632Iberia
Tue, 6 Oct - Tue, 13 Oct

momondo Fare Finder

 
Use the filters below to find and compare flights to Ontario that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Mon 5/10

15:25-23:42

1 stop16h 17m

Ontario

Mon 12/10

13:52-11:45

1 stop13h 53m

€428

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Tue 6/10

12:40-13:30

1 stop32h 50m

Ontario

Tue 13/10

14:22-09:45

1 stop35h 23m

€623

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Tue 6/10

12:40-13:30

1 stop32h 50m

Ontario

Tue 13/10

07:00-09:45

1 stop18h 45m

€624

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 19/11

13:00-23:52

1 stop18h 52m

Ontario

Mon 23/11

10:30-07:15

1 stop12h 45m

€625

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Tue 6/10

12:40-23:52

1 stop19h 12m

Ontario

Tue 13/10

12:43-09:45

1 stop13h 02m

€626

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Tue 3/11

20:40-18:42

2 stops30h 02m

Ontario

Wed 25/11

10:37-14:05

2 stops19h 28m

€626

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Mon 30/11

20:40-18:57

2 stops30h 17m

Ontario

Wed 9/12

12:42-14:05

2 stops17h 23m

€627
Fastest return journey

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Fri 4/9

12:40-18:47

1 stop14h 07m

Ontario

Sat 19/9

10:25-09:45

1 stop15h 20m

€628

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Tue 6/10

12:40-13:30

1 stop32h 50m

Ontario

Tue 13/10

14:22-09:45

1 stop35h 23m

€631

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Tue 6/10

09:50-23:52

2 stops22h 02m

Ontario

Tue 13/10

10:25-09:45

1 stop15h 20m

€632

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to Ontario from

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 Los Angeles takes 11h on average. On the other hand, flying from Cork to Los Angeles Los Angeles takes 14h 40m 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

Cheap Ontario flight deals and tips

Summary info about Ontario flight prices, duration and airlines

Best One-Way Price

€448

Best Round-Trip Price

€428

Fastest flight time

19h 59m
The best one-way flight price to Ontario from Ireland in the last 5 days is €448 (Dublin to Ontario).
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The best return flight price to Ontario from Ireland in the last 5 days is €428 (Dublin to Ontario).
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The fastest flight to Ontario from Ireland takes 19h 59m (Cork 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 €327 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.

An easier way to manage your Ontario trip

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Find better results for your trip to Ontario

Popular Flights to Ontario

Dublin to Ontario Flightsfrom €727
Cork to Ontario Flightsfrom €888