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Cheap flights from Dublin to Ontario from £330

DUB — ONT
4 Dec — 11 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Dublin to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Dublin to Ontario

Tue 1/1217:15 -
2 stops31h 07m
Tue 8/1211:57 -
2 stops18h 33m
Deal found 31/10£545
Thu 19/1105:45 -
2 stops26h 04m
Mon 23/1107:05 -
2 stops27h 20m
Deal found 3/11£546
Tue 17/1105:45 -
2 stops19h 31m
Sat 21/1117:04 -
2 stops30h 51m
Deal found 2/11£547
Wed 18/1105:45 -
2 stops19h 31m
Sun 22/1106:00 -
2 stops17h 55m
Deal found 3/11£549
Thu 19/1109:00 -
2 stops21h 48m
Mon 23/1106:00 -
2 stops17h 30m
Deal found 4/11£552
Wed 18/1110:40 -
1 stop16h 07m
Sun 22/1107:00 -
1 stop17h 10m
Deal found 1/11£554
Mon 9/1112:55 -
1 stop16h 37m
Sun 22/1107:00 -
1 stop16h 10m
Deal found 2/11£555
Thu 12/1109:55 -
1 stop16h 39m
Wed 25/1107:05 -
1 stop16h 40m
Deal found 4/11£555
Wed 2/1220:40 -
2 stops33h 13m
Wed 9/1213:02 -
2 stops22h 38m
Deal found 2/11£557
Mon 9/1109:00 -
2 stops19h 15m
Sun 22/1105:00 -
2 stops18h 10m
Deal found 2/11£561

Find flight deals from Dublin to Ontario

Round-trip from

£545

One-way from

£330

Popular in

July

Cheapest in

March

Average price

£533
Air France
  • Air France
  • 1/12-8/12
  • 4 total stops
  • 49h 40m total
  • Dublin to Ontario
Search Deals
Delta
  • Delta
  • 16/1-31/12
  • 2 total stops
  • 24h 50m total
  • Dublin to Ontario
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£75 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2026
Search Deals

Cheapflights Fare Finder

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

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Price

Cheapest return flight

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Sun 17/1

05:45-22:10

2 stops24h 25m

Ontario

Wed 31/12

00:00-09:00

Nonstop0h 00m

£330

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Mon 18/1

05:45-22:34

2 stops24h 49m

Ontario

Wed 31/12

00:00-09:00

Nonstop0h 00m

£330
Fastest return journey

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Sat 17/4

11:00-18:22

1 stop15h 22m

Ontario

Wed 31/12

00:00-09:00

Nonstop0h 00m

£370

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 17/12

09:55-18:38

1 stop16h 43m

Ontario

Wed 31/12

00:00-09:00

Nonstop0h 00m

£548

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 21/1

09:00-20:25

2 stops19h 25m

Ontario

Mon 25/1

07:00-08:10

1 stop17h 10m

£552

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Mon 12/4

11:00-18:22

1 stop15h 22m

Ontario

Mon 3/5

12:00-08:45

1 stop12h 45m

£602

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Sun 7/3

06:10-22:25

2 stops24h 15m

Ontario

Wed 31/12

00:00-09:00

Nonstop0h 00m

£625

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Tue 10/11

05:45-16:24

2 stops18h 39m

Ontario

Wed 31/12

00:00-09:00

Nonstop0h 00m

£655

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Sat 28/11

06:00-23:00

2 stops25h 00m

Ontario

Wed 31/12

00:00-09:00

Nonstop0h 00m

£660

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 12/11

09:55-18:34

1 stop16h 39m

Ontario

Wed 31/12

00:00-09:00

Nonstop0h 00m

£663

Flights are sorted by cheapest return flights first.

Deals found on 31/10

Showing 1-10 of 24 resultsSorted by cheapest first
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Best time to book a flight from Dublin to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Dublin with our price prediction graph.
Estimated return price

Related info for your journey

  • How long is the flight from Dublin to Ontario?

    For as low as £742, United Airlines can have you in Ontario from Dublin in 16h 54m. The distance between Dublin and Ontario is about 5132 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from Dublin to Ontario that include hotel bookings?

    Yes. In addition to deals on Dublin to Ontario flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Dublin to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dublin to Ontario.

  • Can I find deals for business class flights from Dublin to Ontario?

    Yes. Cheapflights offers flight deals from Dublin to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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How does Cheapflights help users find flights from Dublin to Ontario?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Dublin to Ontario. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Dublin to Ontario?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Ontario from Dublin.

Can Cheapflights find flights from Dublin to Ontario with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Dublin to Ontario, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Dublin to Ontario become cheaper?

Of course! You can now track prices for flights from Dublin to Ontario and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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