How long is the flight from Ontario to Cork?

For as low as $1,834, KLM can have you in Cork from Ontario in 15h 55m. There are 5121 mi between Ontario and Cork.

In terms of precipitation, rainfall in Cork ranges from 2.4 - 4.7 inches per month. January is typically the wettest month, when rainfall can reach 4.7 in. April is typically the driest time to visit Cork when rainfall is around 2.4 in.

If weather is an important factor for your trip to Cork, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 59.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 42.8 F).

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

October can be a great time to fly to Cork from Ontario with a flight ticket averaging about $870. Cheapflights users have found deals in the month of October for as cheap as $467. The most expensive prices can be found in the month of June.

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

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

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

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

How can I find direct flights from Ontario to Cork?

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

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

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

$518+ Flights from Ontario to Cork

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Cheap flight deals from Ontario to Cork

Round-trip from	$1,834 (Air France)
One-way from	$518 (Delta)
Popular in	June
Cheapest in	October
Average price	$839

From Ontario to Cork

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One-way flight from Ontario to Cork

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Highest demand for flights based on searches. 19% potential increase in price ($212 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($33 potential savings vs. average RT price).

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Average for round-trip flights in August 2025

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Find flight deals from Ontario to Cork

Cheapest flights from Ontario to Cork
Explore the most affordable flight options available from Ontario to Cork. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

Sun 9/144:40 pmONT - ORK

2 stops15h 55mKLM

Tue 9/306:00 amORK - ONT

2 stops17h 57mKLM

Deal found 8/18

$1,834

Thu 12/1812:00 pmONT - ORK

2 stops16h 55mKLM

Sun 1/46:00 amORK - ONT

2 stops19h 29mKLM

Deal found 8/18

$14,703

Best flights from Ontario to Cork
Discover carefully curated flight deals from Ontario to Cork that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 20, 2025.

Sun 9/144:40 pmONT - ORK

2 stops15h 55mKLM

Tue 9/306:00 amORK - ONT

2 stops17h 57mKLM

Deal found 8/18

$1,834

Sat 12/2011:56 amONT - ORK

2 stops16h 59mKLM

Sun 12/286:00 amORK - ONT

2 stops19h 29mKLM

Deal found 8/18

$14,703

Thu 12/1812:00 pmONT - ORK

2 stops16h 55mKLM

Sun 1/46:00 amORK - ONT

2 stops19h 29mKLM

Deal found 8/18

$14,703

Last-minute flights from Ontario to Cork
Discover last-minute flight deals from Ontario to Cork. Data last updated August 20, 2025 and is based on user searches.

Sun 9/144:40 pmONT - ORK

2 stops15h 55mKLM

Tue 9/306:00 amORK - ONT

2 stops17h 57mKLM

Deal found 8/18

$1,834

One-way flights from Ontario to Cork
Search for one-way flight options from Ontario to Cork. Find affordable one-way fares based on user searches. Data last updated August 20, 2025.

Tue 10/76:37 amONT - ORK

2 stops25h 58mDelta

Deal found 8/19

$518

Wed 10/111:55 amONT - ORK

2 stops18h 45mDelta

Deal found 8/19

$622

Fri 10/311:55 amONT - ORK

2 stops18h 45mDelta

Deal found 8/19

$682

Sun 9/214:45 pmONT - ORK

2 stops19h 05mBritish Airways

Deal found 8/19

$702

Thu 10/26:00 amONT - ORK

2 stops26h 35mDelta

Deal found 8/19

$713

Fly from

Fly to

Route

Depart

Return

Price

OntarioCork

ONT - ORK

ONTORK

Ontario

Sun 9/14

4:40 pm-4:35 pm

2 stops15h 55m

Cork

Tue 9/30

6:00 am-3:57 pm

2 stops17h 57m

$1,834

OntarioCork

ONT - ORK

ONTORK

Ontario

Sat 12/20

11:56 am-12:55 pm

2 stops16h 59m

Cork

Sun 12/28

6:00 am-5:29 pm

2 stops19h 29m

$14,703

OntarioCork

ONT - ORK

ONTORK

Ontario

Thu 12/18

12:00 pm-12:55 pm

2 stops16h 55m

Cork

Sun 1/4

6:00 am-5:29 pm

2 stops19h 29m

$14,703

OntarioCork

ONT - ORK

ONTORK

Ontario

Tue 10/7

6:37 am-4:35 pm

2 stops25h 58m

$518

OntarioCork

ONT - ORK

ONTORK

Ontario

Wed 10/1

11:55 am-2:40 pm

2 stops18h 45m

$622

OntarioCork

ONT - ORK

ONTORK

Ontario

Mon 10/6

7:05 am-2:40 pm

2 stops23h 35m

$622

OntarioCork

ONT - ORK

ONTORK

Ontario

Sun 10/5

11:55 am-2:40 pm

2 stops18h 45m

$622

OntarioCork

ONT - ORK

ONTORK

Ontario

Fri 10/3

11:55 am-2:40 pm

2 stops18h 45m

$682

OntarioCork

ONT - ORK

ONTORK

Ontario

Sat 10/4

11:55 am-2:40 pm

2 stops18h 45m

$682

OntarioCork

ONT - ORK

ONTORK

Ontario

Sun 9/21

4:45 pm-7:50 pm

2 stops19h 05m

$702

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/19

Showing 1-10 of 11 results

Best time to book a flight from Ontario to Cork

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

Estimated round-trip 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.

Cheapflights Insights

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

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

Currently, November is the cheapest month in which you can book a flight from Ontario to Cork (average of $644). Flying from Ontario to Cork in June is currently the most expensive (average of $1,279). 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.

Related info for your journey

How long is the flight from Ontario to Cork?
For as low as $1,834, KLM can have you in Cork from Ontario in 15h 55m. There are 5121 mi between Ontario and Cork.
Can I find deals for flights from Ontario to Cork that include hotel bookings?
Yes. In addition to deals on Ontario to Cork flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ontario to Cork?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Cork.
Can I find deals for business class flights from Ontario to Cork?
Yes. Cheapflights offers flight deals from Ontario to Cork 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 Ontario to Cork?
Currently, November is the cheapest month in which you can book a flight from Ontario to Cork (average of $644). Flying from Ontario to Cork in June is currently the most expensive (average of $1,279). 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.

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$518+ Cheap flights from Ontario (ONT) to Cork (ORK)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/7. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapest flights from Ontario to CorkExplore the most affordable flight options available from Ontario to Cork. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

Explore the most affordable flight options available from Ontario to Cork. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Ontario to Cork

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

Cheapflights Insights

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

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

Related info for your journey

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

How long is the flight from Ontario to Cork?

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

How can I find direct flights from Ontario to Cork?

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

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ontario to Cork

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Cheapest flights from Ontario to Cork
Explore the most affordable flight options available from Ontario to Cork. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.