Question 1

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

Accepted Answer

Cheapflights users have booked flights from Dublin to Ontario round-trip from £508. Other airlines that can offer you cheap pricing are KLM, from £542, and JetBlue, from £586.

Question 2

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

Accepted Answer

£455 is the cheapest one-way deal found within the past few days, from JetBlue. You may also be able to find cheap deals on British Airways and United Airlines, with prices starting from £489 and £806, respectively.

Question 3

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

Accepted Answer

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.

Question 4

What is the cheapest day to fly from Dublin to Ontario?

Accepted Answer

Travellers seeking maximum savings on their Dublin to Ontario flight should consider departing on Tuesday mornings when fares are most often at their lowest. Tuesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Question 5

E

Accepted Answer

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.

Question 6

E

Accepted Answer

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).

Question 7

How far in advance should I book a flight from Dublin to Ontario?

Accepted Answer

To save up to 42% on this flight, we recommend booking at least 24 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Dublin to Ontario from £464 1-2 weeks out and tickets from £597 for flights departing within the next 72 hours.

Question 8

What is the cheapest month to fly from Dublin to Ontario?

Accepted Answer

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, February can be a great choice for travel to Ontario. Flights to Ontario from Dublin in February are about £500 on average during February, but can be found for as low as £319.

Question 9

What is the cheapest time of day to fly from DUB to ONT?

Accepted Answer

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Dublin to Ontario as you normally would.

Question 10

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

Accepted Answer

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

Question 11

How can I find direct flights from Dublin to Ontario?

Accepted Answer

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

Question 12

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

Accepted Answer

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.

Question 13

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

Accepted Answer

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.

Question 14

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

Accepted Answer

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.

Question 15

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

Accepted Answer

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.

Question 16

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

Accepted Answer

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.

Round-trip from	£508
One-way from	£455
Popular in	July
Cheapest in	February
Average price	£632

Cheap flights from Dublin to Ontario from £435

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/10. Fares are subject to change and may not be available on all flights or dates of travel.

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Find flight deals from Dublin to Ontario

Cheapest flights from Dublin to OntarioExplore 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 3 July 2025.

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 3 July 2025.

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Best time to book a flight from Dublin to Ontario

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Everything you need to know about your flight from Dublin to Ontario

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

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 3 July 2025.

Check out reviews from past customers who have flown with Delta, KLM, andUnited Airlines from Dublin to Ontario to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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

How can I find direct flights from Dublin to Ontario?

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

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Dublin to Ontario

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

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

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

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

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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 3 July 2025.