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Limerick

$419+ Cheap flights from Ontario (ONT) to Limerick, Ireland

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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — ORK
Mrz 15 — Mrz 221
So 3/15
So 3/22
1 adult, Economy
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Cheap flight deals from Ontario to Limerick

Cheapest flights from Ontario to Limerick
Explore the most affordable flight options available from Ontario to Limerick. Find the lowest fares from popular airlines and budget airlines, with prices last updated on Februar 13, 2026.

This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 10/147:00 am
ONT
-
SNN
2 stops19h 15m
United Airlines
Mi 10/2112:30 pm
SNN
-
ONT
2 stops17h 56m
United Airlines
Deal found 2/10$569
This United Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sa 5/301:33 pm
ONT
-
SNN
2 stops33h 57m
United Airlines
Fr 6/129:30 am
SNN
-
ONT
2 stops15h 48m
United Airlines
Deal found 2/11$634
This United Airlines deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 5/285:00 am
ONT
-
SNN
2 stops18h 30m
United Airlines
Di 6/1612:30 pm
SNN
-
ONT
2 stops18h 04m
United Airlines
Deal found 2/12$682
This oojo deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Di 7/211:10 pm
ONT
-
SNN
2 stops19h 00m
British Airways
Di 8/47:30 am
SNN
-
ONT
2 stops23h 06m
British Airways
Deal found 2/12$739
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
So 7/57:00 am
ONT
-
SNN
1 stop16h 30m
United Airlines
Mi 7/159:30 am
SNN
-
ONT
1 stop20h 58m
United Airlines
Deal found 2/10$743
This United Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mo 6/17:00 am
ONT
-
SNN
1 stop16h 30m
United Airlines
Fr 6/129:30 am
SNN
-
ONT
2 stops18h 47m
United Airlines
Deal found 2/11$747
This oojo deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
So 4/262:08 pm
ONT
-
SNN
2 stops18h 02m
British Airways
Mo 5/189:15 pm
SNN
-
ONT
2 stops27h 07m
British Airways
Deal found 2/10$758
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 7/227:00 am
ONT
-
SNN
1 stop16h 30m
United Airlines
Sa 8/19:30 am
SNN
-
ONT
1 stop20h 58m
United Airlines
Deal found 2/10$772
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mo 7/67:00 am
ONT
-
SNN
1 stop16h 30m
United Airlines
Mi 7/159:30 am
SNN
-
ONT
1 stop20h 58m
United Airlines
Deal found 2/10$773

Find flight deals from Ontario to Limerick

Keep the following information in mind while searching for Ontario to Limerick flight deals. Data was last updated Februar 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$634
(United Airlines)

One-way from

$419
(United Airlines)

Popular in

June

Cheapest in

January
Provider with most accurate pricing for Los Angeles-Shannon flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Shannon flights.
Search Deals
From Ontario to Limerick
Search Deals
One-way flight from Ontario to Limerick
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($211 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Limerick 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 2,558,603 searches. Data last updated Februar 13, 2026.
Use the filters below to find and compare flights from Ontario to Limerick that are best for you.

Fly from

Ontario

Fly to

Limerick

Route

Depart

Return

Price

OntarioShannon

ONT - SNN

ONTSNN

Ontario

So 4/26

2:08 pm-4:10 pm

2 stops18h 02m

Shannon

Mo 5/18

9:15 pm-4:22 pm

2 stops27h 07m

$758

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Do 4/9

4:52 pm-8:35 pm

2 stops19h 43m

Shannon

So 4/12

9:15 pm-9:59 pm

2 stops32h 44m

$798

OntarioShannon

ONT - SNN

ONTSNN

Ontario

So 4/12

7:00 am-10:15 am

2 stops19h 15m

Shannon

Fr 4/17

12:30 pm-10:26 pm

2 stops17h 56m

$862

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Do 3/5

7:00 am-4:45 pm

2 stops25h 45m

Shannon

Mo 3/9

8:05 pm-10:49 pm

2 stops33h 44m

$904

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Di 5/12

2:08 pm-4:10 pm

2 stops18h 02m

Shannon

Fr 5/22

9:15 pm-10:36 pm

2 stops33h 21m

$5,419

OntarioShannon

ONT - SNN

ONTSNN

Ontario

So 4/12

6:00 am-10:15 am

2 stops20h 15m

$419

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/9

Best time to book a flight from Ontario to Limerick

Have a flexible travel schedule? Discover the best time to fly to Limerick 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 Limerick

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

Currently, January is the cheapest month in which you can book a flight from Ontario to Limerick (average of $468). Flying from Ontario to Limerick in December is currently the most expensive (average of $766). 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

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

  • What airport do you fly from for flights from Ontario to Limerick?

    For a flight from Ontario to Limerick, you will be flying from Ontario. Ontario (ONT) is just 3.1 mi from the center of the city. Ontario is the only Ontario airport and it handles 0 outbound flights to Limerick per day. 0 airlines have flights to Limerick from Ontario on a regular basis.

  • How long is the flight from Ontario to Limerick?

    Airlines like British Airways and United Airlines fly from Ontario to Limerick in about 18h 02m. The time it takes to get you to your destination can typically vary by up to 1h 13m. Ontario and Limerick are separated by a distance of 5072 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

  • How can I find direct flights from Ontario to Limerick?

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

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

    Yes. Cheapflights offers flight deals from Ontario to Limerick 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 Limerick?

    Currently, January is the cheapest month in which you can book a flight from Ontario to Limerick (average of $468). Flying from Ontario to Limerick in December is currently the most expensive (average of $766). 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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