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Limerick

$178+ 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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — ORK
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
1 adult, Economy
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Cheap flight deals from Ontario to Limerick

Keep the following information in mind while searching for Ontario to Limerick flight deals. Data was last updated January 15, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$408
(oojo)

One-way from

$178
(oojo)

Popular in

June

Cheapest in

March

Average price

$869
Provider with most accurate pricing for Los Angeles-Shannon flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Shannon flights.
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From Ontario to Limerick
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One-way flight from Ontario to Limerick
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Highest demand for flights based on searches. 18% potential increase in price ($176 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find 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 January 15, 2026.

This oojo deal was found by Cheapflights users on 1/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/165:02 pm
ONT
-
SNN
2 stops18h 23m
British Airways
Thu 2/267:50 am
SNN
-
ONT
2 stops21h 34m
British Airways
Deal found 1/13$408
This oojo deal was found by Cheapflights users on 1/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/42:39 pm
ONT
-
SNN
2 stops18h 06m
British Airways
Wed 3/187:50 am
SNN
-
ONT
2 stops23h 09m
British Airways
Deal found 1/13$420
This oojo deal was found by Cheapflights users on 1/14. 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.
Sat 8/84:54 pm
ONT
-
SNN
2 stops39h 16m
British Airways
Sat 8/225:30 pm
SNN
-
ONT
2 stops30h 54m
British Airways
Deal found 1/14$464
This oojo deal was found by Cheapflights users on 1/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2310:59 am
ONT
-
SNN
2 stops16h 21m
British Airways
Wed 5/67:40 am
SNN
-
ONT
2 stops22h 55m
British Airways
Deal found 1/13$470
This oojo deal was found by Cheapflights users on 1/12. 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.
Fri 2/132:39 pm
ONT
-
SNN
2 stops17h 06m
British Airways
Wed 2/187:50 am
SNN
-
ONT
2 stops19h 55m
British Airways
Deal found 1/12$471
This United Airlines deal was found by Cheapflights users on 1/13. 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.
Wed 4/157:00 am
ONT
-
SNN
2 stops19h 15m
United Airlines
Wed 4/2912:30 pm
SNN
-
ONT
2 stops18h 15m
United Airlines
Deal found 1/13$493
This oojo deal was found by Cheapflights users on 1/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/317:16 am
ONT
-
SNN
2 stops20h 14m
British Airways
Sat 2/75:25 pm
SNN
-
ONT
2 stops37h 23m
British Airways
Deal found 1/13$508
This oojo deal was found by Cheapflights users on 1/12. 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.
Fri 2/67:16 am
ONT
-
SNN
2 stops20h 14m
British Airways
Sat 2/145:25 pm
SNN
-
ONT
2 stops36h 42m
British Airways
Deal found 1/12$521
This British Airways deal was found by Cheapflights users on 1/13. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/56:00 am
ONT
-
SNN
2 stops29h 25m
British Airways
Mon 3/98:05 pm
SNN
-
ONT
2 stops33h 44m
British Airways
Deal found 1/13$550
This American Airlines deal was found by Cheapflights users on 1/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/316:00 am
ONT
-
SNN
2 stops16h 20m
American Airlines
Sat 2/72:45 pm
SNN
-
ONT
2 stops33h 20m
American Airlines
Deal found 1/13$555

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 January 15, 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

Mon 2/16

5:02 pm-7:25 pm

2 stops18h 23m

Shannon

Thu 2/26

7:50 am-10:29 pm

2 stops22h 39m

$421

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Thu 4/23

10:59 am-11:20 am

2 stops16h 21m

Shannon

Wed 5/6

7:40 am-10:35 pm

2 stops22h 55m

$470

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Fri 2/13

2:39 pm-3:45 pm

2 stops17h 06m

Shannon

Wed 2/18

7:50 am-7:45 pm

2 stops19h 55m

$471

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Wed 4/15

7:00 am-10:15 am

2 stops19h 15m

Shannon

Wed 4/29

12:30 pm-10:45 pm

2 stops18h 15m

$493

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Sat 1/31

7:16 am-11:30 am

2 stops20h 14m

Shannon

Sat 2/7

5:25 pm-10:48 pm

2 stops37h 23m

$508

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Fri 2/6

7:16 am-11:30 am

2 stops20h 14m

Shannon

Sat 2/14

5:25 pm-10:07 pm

2 stops36h 42m

$521

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Thu 3/5

6:00 am-7:25 pm

2 stops29h 25m

Shannon

Mon 3/9

8:05 pm-10:49 pm

2 stops33h 44m

$550

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Sat 5/23

6:53 pm-7:30 am

2 stops28h 37m

Shannon

Sun 5/31

9:30 am-10:26 pm

1 stop20h 56m

$664

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Mon 7/6

7:00 am-7:30 am

1 stop16h 30m

Shannon

Mon 7/20

9:30 am-9:21 pm

2 stops43h 51m

$666

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Wed 2/4

3:09 pm-4:45 pm

2 stops17h 36m

$178

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/13

Showing 1-10 of 20 results
1
2

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, August is the cheapest month in which you can book a flight from Ontario to Limerick (average of $469). 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 23m. The time it takes to get you to your destination can typically vary by up to 52m. 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, August is the cheapest month in which you can book a flight from Ontario to Limerick (average of $469). 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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