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Limerick

$569+ Cheap flights from Ontario (ONT) to Limerick, Ireland

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — ORK
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
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 January 29, 2026.

This United Airlines deal was found by Cheapflights users on 1/28. 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 10/137:00 am
ONT
-
SNN
2 stops19h 15m
United Airlines
Wed 10/2112:30 pm
SNN
-
ONT
2 stops18h 36m
United Airlines
Deal found 1/28$569
This United Airlines deal was found by Cheapflights users on 1/27. 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 5/301:00 pm
ONT
-
SNN
2 stops34h 30m
United Airlines
Tue 8/189:30 am
SNN
-
ONT
1 stop20h 56m
United Airlines
Deal found 1/27$634
This oojo deal was found by Cheapflights users on 1/27. 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.
Sun 4/52:39 pm
ONT
-
SNN
2 stops17h 31m
British Airways
Tue 4/147:30 am
SNN
-
ONT
2 stops23h 05m
British Airways
Deal found 1/27$663
This United Airlines deal was found by Cheapflights users on 1/27. 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 5/301:00 pm
ONT
-
SNN
2 stops34h 30m
United Airlines
Mon 8/1712:30 pm
SNN
-
ONT
2 stops18h 36m
United Airlines
Deal found 1/27$694
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Fri 5/291:00 pm
ONT
-
SNN
2 stops34h 30m
United Airlines
Thu 8/139:30 am
SNN
-
ONT
2 stops15h 48m
United Airlines
Deal found 1/27$696
This oojo deal was found by Cheapflights users on 1/27. 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 4/2210:59 am
ONT
-
SNN
2 stops16h 21m
British Airways
Sun 4/267:30 am
SNN
-
ONT
2 stops22h 29m
British Airways
Deal found 1/27$713
This United Airlines deal was found by Cheapflights users on 1/28. 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 10/57:00 am
ONT
-
SNN
2 stops19h 15m
United Airlines
Tue 10/1312:30 pm
SNN
-
ONT
2 stops17h 56m
United Airlines
Deal found 1/28$719
This United Airlines deal was found by Cheapflights users on 1/26. 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 7/157:00 am
ONT
-
SNN
1 stop16h 30m
United Airlines
Mon 7/209:30 am
SNN
-
ONT
2 stops18h 47m
United Airlines
Deal found 1/26$742
This United Airlines deal was found by Cheapflights users on 1/27. 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 6/15:00 am
ONT
-
SNN
2 stops18h 30m
United Airlines
Tue 8/189:30 am
SNN
-
ONT
2 stops15h 48m
United Airlines
Deal found 1/27$747
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Fri 5/291:00 pm
ONT
-
SNN
2 stops34h 30m
United Airlines
Mon 8/1712:30 pm
SNN
-
ONT
2 stops18h 36m
United Airlines
Deal found 1/27$756
This oojo deal was found by Cheapflights users on 1/27. 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 4/310:56 am
ONT
-
SNN
2 stops16h 24m
British Airways
Sun 4/127:30 am
SNN
-
ONT
2 stops22h 29m
British Airways
Deal found 1/27$759

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$634
(United Airlines)

Popular in

June

Cheapest in

March

Average price

$869
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
Highest demand for flights based on searches. 19% potential increase in price ($188 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 29, 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

Sat 5/30

1:00 pm-7:30 am

2 stops34h 30m

Shannon

Tue 8/18

9:30 am-10:26 pm

1 stop20h 56m

$634

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Sat 5/30

5:00 am-7:30 am

2 stops42h 30m

Shannon

Thu 8/13

9:30 am-5:18 pm

2 stops15h 48m

$634

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Sat 5/30

1:00 pm-7:30 am

2 stops34h 30m

Shannon

Wed 8/12

9:30 am-8:17 pm

2 stops18h 47m

$634

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Sat 5/30

1:00 pm-7:30 am

2 stops34h 30m

Shannon

Mon 8/17

12:30 pm-11:06 pm

2 stops18h 36m

$694

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Fri 5/29

1:00 pm-7:30 am

2 stops34h 30m

Shannon

Tue 8/18

9:30 am-5:18 pm

2 stops15h 48m

$696

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Fri 5/29

1:00 pm-7:30 am

2 stops34h 30m

Shannon

Thu 8/13

9:30 am-5:18 pm

2 stops15h 48m

$696

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Fri 5/29

1:00 pm-7:30 am

2 stops34h 30m

Shannon

Wed 8/12

9:30 am-5:18 pm

2 stops15h 48m

$696

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Wed 4/22

10:59 am-11:20 am

2 stops16h 21m

Shannon

Sun 4/26

9:15 pm-11:48 pm

2 stops34h 33m

$713

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Wed 7/15

7:00 am-7:30 am

1 stop16h 30m

Shannon

Mon 7/20

9:30 am-8:17 pm

2 stops18h 47m

$742

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Tue 6/2

6:00 am-7:30 am

2 stops17h 30m

Shannon

Thu 8/13

9:30 am-5:18 pm

2 stops15h 48m

$747

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 14 results
1
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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, 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 United Airlines fly from Ontario to Limerick in about 34h 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, 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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