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Limerick

$247+ 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 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — ORK
Mar 15 — Mar 221
Sun 3/15
Sun 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 February 13, 2026.

This United Airlines deal was found by Cheapflights users on 2/13. 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.
Tue 7/217:00 am
ONT
-
SNN
1 stop16h 30m
United Airlines
Tue 7/289:30 am
SNN
-
ONT
1 stop20h 58m
United Airlines
Deal found 2/13$565
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.
Sat 5/301:33 pm
ONT
-
SNN
2 stops33h 57m
United Airlines
Fri 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 2/9. 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.
Tue 7/215:55 am
ONT
-
SNN
2 stops17h 35m
United Airlines
Tue 8/49:30 am
SNN
-
ONT
2 stops34h 50m
United Airlines
Deal found 2/9$686
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.
Thu 5/287:00 am
ONT
-
SNN
1 stop16h 30m
United Airlines
Tue 6/169:30 am
SNN
-
ONT
1 stop20h 58m
United Airlines
Deal found 2/12$708
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.
Tue 7/211:10 pm
ONT
-
SNN
2 stops19h 00m
British Airways
Tue 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.
Sun 7/57:00 am
ONT
-
SNN
1 stop16h 30m
United Airlines
Fri 7/109:30 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.
Mon 6/17:00 am
ONT
-
SNN
1 stop16h 30m
United Airlines
Fri 6/129:30 am
SNN
-
ONT
2 stops18h 47m
United Airlines
Deal found 2/11$747

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 February 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$634
(United Airlines)

One-way from

$247
(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 February 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

Tue 7/21

7:00 am-7:30 am

1 stop16h 30m

Shannon

Tue 7/28

9:30 am-10:28 pm

1 stop20h 58m

$565

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Sat 5/30

1:33 pm-7:30 am

2 stops33h 57m

Shannon

Fri 6/12

9:30 am-5:18 pm

2 stops15h 48m

$634

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Sat 5/30

7:05 am-11:10 am

2 stops20h 05m

Shannon

Fri 6/12

1:05 pm-11:20 am

2 stops30h 15m

$682

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Thu 5/28

5:00 am-7:30 am

2 stops18h 30m

Shannon

Tue 6/16

12:30 pm-10:34 pm

2 stops18h 04m

$682

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Tue 7/21

7:00 am-7:30 am

1 stop16h 30m

Shannon

Tue 8/4

9:30 am-12:20 pm

2 stops34h 50m

$686

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Mon 7/6

7:00 am-7:30 am

1 stop16h 30m

Shannon

Mon 7/20

9:30 am-10:28 pm

1 stop20h 58m

$708

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Tue 7/21

1:33 pm-7:30 am

2 stops33h 57m

$247

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Tue 7/21

1:10 pm-4:10 pm

2 stops19h 00m

$310

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Sun 4/12

6:00 am-10:15 am

2 stops20h 15m

$419

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Tue 7/21

11:59 pm-6:00 am

1 stop22h 01m

$496

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

Showing 1-10 of 13 results
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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 United Airlines fly from Ontario to Limerick in about 16h 30m. The time it takes to get you to your destination can typically vary by up to . Ontario and Limerick are separated by a distance of 5072 mi.

  • 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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