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Cheap flights from Dublin to Ontario from £419

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — ONT
28 Dec — 4 Jan1
1 adult

Cheap flight deals from Dublin to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Dublin (DUB) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 23 December 2024.

Round-trip from

£419
KLM
  • KLM
  • 5/2-12/2
  • 4 total stops
  • 46h 32m total
  • Dublin to Ontario
Search Deals

Find flight deals from Dublin to Ontario

Cheapest flights from Dublin to Ontario
Explore the most affordable flight options available from Dublin to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 December 2024.

Mon 23/1209:00DUB - ONT
2 stops22h 00mUnited Airlines
Mon 30/1206:10ONT - DUB
2 stops16h 50mUnited Airlines
Deal found 22/12£636
Sun 22/1217:20DUB - ONT
2 stops30h 58mKLM
Thu 26/1206:52ONT - DUB
1 stop17h 33mKLM
Deal found 22/12£651
Thu 26/1210:45DUB - ONT
2 stops20h 15mMultiple Airlines
Tue 31/1206:00ONT - DUB
2 stops26h 40mMultiple Airlines
Deal found 23/12£718
Thu 26/1211:30DUB - ONT
1 stop16h 11mDelta
Thu 2/111:56ONT - DUB
1 stop12h 29mDelta
Deal found 22/12£721
Tue 24/1218:30DUB - ONT
2 stops32h 04mBritish Airways
Tue 31/1207:15ONT - DUB
2 stops19h 00mBritish Airways
Deal found 23/12£1,019

Find flights from Dublin to Ontario within your budget

Customise your flight search to find flights from Dublin to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 23 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 5/2

05:55-22:52

2 stops24h 57m

Ontario

Wed 12/2

07:05-12:40

2 stops21h 35m

£419

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 6/2

05:55-22:52

2 stops24h 57m

Ontario

Thu 13/2

06:00-16:40

2 stops26h 40m

£422

DublinOntario

DUB - ONT

DUBONT

Dublin

Sat 18/1

09:00-18:19

2 stops17h 19m

Ontario

Sat 25/1

06:00-07:00

2 stops17h 00m

£474

DublinOntario

DUB - ONT

DUBONT

Dublin

Mon 12/5

12:40-19:57

1 stop15h 17m

Ontario

Sun 18/5

10:54-09:45

1 stop14h 51m

£590

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 7/2

12:30-20:29

1 stop15h 59m

Ontario

Fri 21/2

06:00-13:10

1 stop23h 10m

£701

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 1/5

11:00-22:41

1 stop19h 41m

£519

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 28/3

06:00-23:45

2 stops24h 45m

£523

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 1/5

12:15-23:58

2 stops19h 43m

£741

DublinOntario

DUB - ONT

DUBONT

Dublin

Mon 13/1

09:00-20:29

2 stops19h 29m

£850

Flights are sorted by cheapest return flights first.

Deals found on 22/12

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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Dublin to Ontario

Get recent, data-driven insights about flights from Dublin to Ontario including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Dublin to Ontario?

Currently, March is the cheapest month in which you can book a flight from Dublin to Ontario (average of £516). Flying from Dublin to Ontario in August is currently the most expensive (average of £827). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 3.0 - 86.0 inches per month. February is typically the wettest month, when rainfall can reach 86.0 mm. June is typically the driest time to visit Ontario when rainfall is around 3.0 mm.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 26.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 12.0 C).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated 23 December 2024.
Delta
8.0
Very Good
8,588 reviews
Check prices

Food

7.3

Crew

8.6

Entertainment

7.9

Comfort

8.0

Overall

8.0

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very Good
8,588 reviews
Delta
8.0
Very Good
8,588 reviews
Check prices

Food

7.3

Crew

8.6

Entertainment

7.9

Comfort

8.0

Overall

8.0

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM
7.8
Good
1,345 reviews
Delta
8.0
Very Good
8,588 reviews
Check prices

Food

7.3

Crew

8.6

Entertainment

7.9

Comfort

8.0

Overall

8.0

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
9,022 reviews
Delta
8.0
Very Good
8,588 reviews
Check prices

Food

7.3

Crew

8.6

Entertainment

7.9

Comfort

8.0

Overall

8.0

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Iberia
7.0
Good
2,651 reviews
Delta
8.0
Very Good
8,588 reviews
Check prices

Food

7.3

Crew

8.6

Entertainment

7.9

Comfort

8.0

Overall

8.0

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Dublin to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Dublin to Ontario round-trip?

    Cheapflights users have booked flights from Dublin to Ontario round-trip from £419. Other airlines that can offer you cheap pricing are Delta, from £422, and United Airlines, from £474.

  • What are the cheapest airlines to fly from Dublin to Ontario one-way?

    £519 is the cheapest one-way deal found within the past few days, from KLM. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from £523 and £850, respectively.

  • 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.

  • What is the cheapest month to book a flight from Dublin to Ontario?

    Currently, March is the cheapest month in which you can book a flight from Dublin to Ontario (average of £516). Flying from Dublin to Ontario in August is currently the most expensive (average of £827). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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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