HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
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 14 — Mar 211
Sat 3/14
Sat 3/21
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Limerick with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 12, 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.
Wed 10/147:00 am
ONT
-
SNN
2 stops19h 15m
United Airlines
Wed 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.
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 4/217:00 am
ONT
-
SNN
2 stops19h 15m
United Airlines
Sun 4/2612:30 pm
SNN
-
ONT
2 stops16h 06m
United Airlines
Deal found 2/9$660
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 Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/307:05 am
ONT
-
SNN
2 stops20h 05m
Delta
Fri 6/121:05 pm
SNN
-
ONT
2 stops30h 09m
Delta
Deal found 2/9$712
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
Wed 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.
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
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.
Sun 4/262:08 pm
ONT
-
SNN
2 stops18h 02m
British Airways
Mon 5/189:15 pm
SNN
-
ONT
2 stops27h 07m
British Airways
Deal found 2/10$758
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/286:00 am
ONT
-
SNN
2 stops21h 30m
British Airways
Fri 3/68:05 pm
SNN
-
ONT
2 stops28h 14m
British Airways
Deal found 2/9$760
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/72:57 pm
ONT
-
SNN
2 stops17h 13m
British Airways
Fri 10/167:30 am
SNN
-
ONT
2 stops24h 45m
British Airways
Deal found 2/9$767

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 12, 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 12, 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

1:33 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

Thu 4/23

6:05 am-10:15 am

2 stops20h 10m

Shannon

Fri 5/1

12:30 pm-10:30 pm

2 stops18h 00m

$660

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Fri 4/24

7:00 am-10:15 am

2 stops19h 15m

Shannon

Fri 5/1

12:30 pm-10:59 pm

2 stops18h 29m

$660

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Tue 4/21

7:00 am-10:15 am

2 stops19h 15m

Shannon

Sun 4/26

12:30 pm-8:36 pm

2 stops16h 06m

$660

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

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

Sun 7/5

7:00 am-7:30 am

1 stop16h 30m

Shannon

Wed 7/15

9:30 am-10:28 pm

1 stop20h 58m

$743

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Mon 6/1

7:00 am-7:30 am

1 stop16h 30m

Shannon

Fri 6/12

9:30 am-10:28 pm

1 stop20h 58m

$743

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

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

Showing 1-10 of 16 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, 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 33h 57m. 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.