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Cheap flights from Dublin to Ontario from £533

DUB — ONT
20 Sep — 27 Sep1
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

Mon 30/1120:40 -
2 stops30h 17m
Sat 12/1213:23 -
2 stops17h 42m
Deal found 21/8£537
Sat 5/912:40 -
1 stop14h 18m
Thu 10/912:37 -
1 stop13h 08m
Deal found 19/8£542
Wed 9/912:40 -
1 stop15h 29m
Sun 13/910:25 -
1 stop15h 20m
Deal found 16/8£564
Mon 2/1109:00 -
2 stops19h 51m
Sun 22/1107:00 -
1 stop17h 10m
Deal found 21/8£602
Wed 11/1109:40 -
1 stop19h 06m
Wed 2/1207:00 -
1 stop16h 45m
Deal found 21/8£605
Mon 30/1113:25 -
2 stops35h 05m
Sun 6/1223:10 -
1 stop24h 35m
Deal found 21/8£615
Thu 3/908:55 -
2 stops21h 50m
Mon 7/909:43 -
2 stops24h 42m
Deal found 19/8£636
Mon 19/1012:40 -
1 stop16h 31m
Tue 27/1010:25 -
1 stop13h 45m
Deal found 19/8£637
Wed 2/905:55 -
2 stops19h 26m
Sun 6/907:05 -
2 stops18h 55m
Deal found 19/8£641
Fri 18/911:35 -
2 stops16h 26m
Fri 25/906:00 -
2 stops18h 15m
Deal found 20/8£658
Thu 27/812:00 -
2 stops17h 52m
Thu 3/913:06 -
2 stops15h 34m
Deal found 20/8£677
Fri 23/1011:00 -
1 stop15h 22m
Sun 1/1107:07 -
1 stop16h 38m
Deal found 21/8£716

Find flight deals from Dublin to Ontario

Round-trip from

£533

Popular in

July

Cheapest in

January

Average price

£672
British Airways
  • British Airways
  • 5/2-8/2
  • 4 total stops
  • 42h 49m total
  • Dublin to Ontario
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£89 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
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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

Fri 5/2

08:50-22:45

2 stops21h 55m

Ontario

Mon 8/2

10:31-15:25

2 stops20h 54m

£533

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Fri 4/12

05:45-16:30

2 stops18h 45m

Ontario

Wed 9/12

07:00-07:45

1 stop16h 45m

£615

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 3/9

08:55-22:45

2 stops21h 50m

Ontario

Mon 7/9

09:43-18:25

2 stops24h 42m

£636

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Wed 2/9

05:55-17:21

2 stops19h 26m

Ontario

Sun 6/9

07:05-10:00

2 stops18h 55m

£641

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 5/11

11:30-22:40

2 stops19h 10m

Ontario

Thu 12/11

10:40-10:15

2 stops15h 35m

£775
Fastest return journey

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Sun 18/10

11:00-18:22

1 stop15h 22m

Ontario

Wed 28/10

12:18-07:45

1 stop12h 27m

£778

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Sun 22/11

11:30-23:04

2 stops19h 34m

Ontario

Fri 27/11

08:05-10:15

2 stops18h 10m

£830

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Fri 4/12

11:30-22:39

2 stops19h 09m

Ontario

Sat 12/12

11:20-10:15

2 stops14h 55m

£832

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Fri 22/1

11:30-22:41

2 stops19h 11m

Ontario

Sun 24/1

10:05-10:15

2 stops16h 10m

£851

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 15/10

05:45-23:42

2 stops25h 57m

Ontario

Mon 19/10

23:05-16:05

2 stops33h 00m

£864

Flights are sorted by cheapest return flights first.

Deals found on 18/8

Showing 1-10 of 23 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 £615, British Airways can have you in Ontario from Dublin in 18h 45m. 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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