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Limerick

$484+ 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 2/17. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — ORK
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Ontario to Limerick

Best flights from Ontario to Limerick
Discover carefully curated flight deals from Ontario to Limerick that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

This American Airlines deal was found by Cheapflights users on 12/15. 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.
Tue 2/175:06 pmONT - SNN
2 stops15h 39mAmerican Airlines
Fri 2/277:50 amSNN - ONT
2 stops22h 59mAmerican Airlines
Deal found 12/15$484
This United Airlines deal was found by Cheapflights users on 12/16. 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 4/166:00 amONT - SNN
2 stops20h 15mUnited Airlines
Thu 4/2312:30 pmSNN - ONT
2 stops17h 41mUnited Airlines
Deal found 12/16$580
This British Airways deal was found by Cheapflights users on 12/15. 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 1/297:16 amONT - SNN
2 stops44h 14mBritish Airways
Mon 2/28:05 pmSNN - ONT
2 stops30h 40mBritish Airways
Deal found 12/15$686
This Air Canada deal was found by Cheapflights users on 12/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/175:00 amONT - SNN
3 stops22h 30mAir Canada
Fri 2/277:50 amSNN - ONT
3 stops21h 00mAir Canada
Deal found 12/15$698
This oojo deal was found by Cheapflights users on 12/16. 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 1/83:09 pmONT - SNN
2 stops17h 36mBritish Airways
Mon 1/128:05 pmSNN - ONT
2 stops34h 43mBritish Airways
Deal found 12/16$850
This Ovago deal was found by Cheapflights users on 12/17. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/911:25 pmONT - SNN
1 stop22h 30mJetBlue
Sat 6/202:40 pmSNN - ONT
1 stop15h 29mJetBlue
Deal found 12/17$2,042
This Priceline deal was found by Cheapflights users on 12/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/175:06 pmONT - SNN
2 stops18h 19mBritish Airways
Fri 2/277:50 amSNN - ONT
2 stops22h 14mBritish Airways
Deal found 12/15$1,143
This oojo deal was found by Cheapflights users on 12/17. 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 6/95:00 pmONT - SNN
2 stops19h 35mBritish Airways
Sat 6/207:40 amSNN - ONT
2 stops24h 19mBritish Airways
Deal found 12/17$1,318
This oojo deal was found by Cheapflights users on 12/16. 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 2/103:09 pmONT - SNN
2 stops17h 36mBritish Airways
Fri 3/278:05 pmSNN - ONT
2 stops32h 19mBritish Airways
Deal found 12/16$4,569

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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$484
(American Airlines)

Popular in

December

Cheapest in

March

Average price

$1,405
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. 15% potential increase in price ($154 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($51 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 18, 2025.
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 2/17

5:06 pm-4:45 pm

2 stops15h 39m

Shannon

Fri 2/27

7:50 am-10:49 pm

2 stops22h 59m

$484

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Thu 4/16

6:00 am-10:15 am

2 stops20h 15m

Shannon

Thu 4/23

12:30 pm-10:11 pm

2 stops17h 41m

$580

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Thu 1/29

7:16 am-11:30 am

2 stops44h 14m

Shannon

Mon 2/2

8:05 pm-6:45 pm

2 stops30h 40m

$686

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Tue 2/17

5:00 am-11:30 am

3 stops22h 30m

Shannon

Fri 2/27

7:50 am-8:50 pm

3 stops21h 00m

$698

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Thu 1/8

3:09 pm-4:45 pm

2 stops17h 36m

Shannon

Mon 1/12

8:05 pm-10:48 pm

2 stops34h 43m

$850

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Tue 2/17

5:06 pm-7:25 pm

2 stops18h 19m

Shannon

Fri 2/27

7:50 am-10:04 pm

2 stops22h 14m

$1,143

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Tue 6/9

5:00 pm-8:35 pm

2 stops19h 35m

Shannon

Sat 6/20

7:40 am-11:59 pm

2 stops24h 19m

$1,318

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Tue 6/9

11:25 pm-5:55 am

1 stop22h 30m

Shannon

Sat 6/20

2:40 pm-10:09 pm

1 stop15h 29m

$2,042

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Tue 2/10

3:09 pm-4:45 pm

2 stops17h 36m

Shannon

Fri 3/27

8:05 pm-9:24 pm

2 stops32h 19m

$4,569

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Sun 2/1

7:16 am-11:30 am

2 stops20h 14m

$493

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 19 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, 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 $905). 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 American Airlines, United Airlines, and British Airways fly from Ontario to Limerick in about 15h 39m. The time it takes to get you to your destination can typically vary by up to 28h 35m. 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 $905). 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.

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