Find flights
When to book
FAQs

Cheap flights from Dublin to Ontario from £350

DUB — ONT
23 Nov — 30 Nov1
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

Wed 4/1109:40 -
1 stop17h 50m
Sun 8/1107:07 -
1 stop16h 38m
Deal found 19/10£534
Sat 7/1109:00 -
2 stops19h 51m
Wed 11/1105:00 -
2 stops20h 55m
Deal found 23/10£539
Sun 1/1110:40 -
1 stop16h 07m
Sun 15/1107:00 -
1 stop17h 10m
Deal found 22/10£541
Wed 18/1109:40 -
1 stop19h 14m
Fri 4/1207:05 -
1 stop16h 40m
Deal found 21/10£542
Sat 21/1105:45 -
2 stops25h 15m
Sat 28/1106:00 -
2 stops24h 10m
Deal found 24/10£548
Sun 6/1205:45 -
2 stops26h 12m
Sun 13/1223:08 -
1 stop24h 37m
Deal found 22/10£551
Sat 21/1109:00 -
2 stops19h 15m
Sat 28/1107:00 -
1 stop17h 10m
Deal found 24/10£554
Wed 11/1109:40 -
1 stop19h 14m
Wed 25/1107:05 -
1 stop16h 40m
Deal found 24/10£557
Wed 4/1109:40 -
1 stop17h 50m
Tue 17/1107:05 -
1 stop16h 40m
Deal found 23/10£558
Sat 7/1109:55 -
1 stop17h 35m
Mon 16/1107:05 -
1 stop16h 40m
Deal found 23/10£559
Sat 31/1010:40 -
1 stop15h 07m
Sun 15/1107:00 -
1 stop17h 10m
Deal found 23/10£562

Find flight deals from Dublin to Ontario

Round-trip from

£530

One-way from

£350

Popular in

July

Cheapest in

March

Average price

£602
United Airlines
  • United Airlines
  • 21/1-25/1
  • 3 total stops
  • 36h 35m total
  • Dublin to Ontario
Search Deals
Air France
  • Air France
  • 11/12-31/12
  • 2 total stops
  • 18h 00m 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 October 2026
Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Mon 12/4

05:55-16:12

2 stops18h 17m

Ontario

Wed 31/12

00:00-09:00

Nonstop0h 00m

£354

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Tue 13/4

05:55-16:12

2 stops18h 17m

Ontario

Wed 31/12

00:00-09:00

Nonstop0h 00m

£358
Fastest return journey

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 15/4

11:00-18:22

1 stop15h 22m

Ontario

Wed 31/12

00:00-09:00

Nonstop0h 00m

£360

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Wed 14/4

11:00-18:22

1 stop15h 22m

Ontario

Wed 31/12

00:00-09:00

Nonstop0h 00m

£360

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Fri 27/11

09:40-19:49

1 stop18h 09m

Ontario

Wed 31/12

00:00-09:00

Nonstop0h 00m

£510

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

£530

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Wed 4/11

09:40-19:30

1 stop17h 50m

Ontario

Sun 8/11

07:07-07:45

1 stop16h 38m

£534

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Wed 6/1

06:35-18:51

2 stops20h 16m

Ontario

Wed 31/12

00:00-09:00

Nonstop0h 00m

£626

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Wed 25/11

11:30-22:30

2 stops19h 00m

Ontario

Wed 31/12

00:00-09:00

Nonstop0h 00m

£637

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Sat 7/11

09:55-19:30

1 stop17h 35m

Ontario

Wed 31/12

00:00-09:00

Nonstop0h 00m

£652

Flights are sorted by cheapest return flights first.

Deals found on 19/10

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

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 £534, United Airlines can have you in Ontario from Dublin in 17h 50m. 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

Browse thousands of different options on Cheapflights for your next trip

Fly with Cheapflights

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.