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$488+ Cheap flights from Ontario (ONT) to Galway, 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SNN
Feb 5 — Feb 121
Thu 2/5
Thu 2/12
1 adult, Economy
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Cheap flight deals from Ontario to Galway

Keep the following information in mind while searching for Ontario to Galway flight deals. Data was last updated January 6, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$488
(British Airways)

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 Galway
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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 Galway

Cheapest flights from Ontario to Galway
Explore the most affordable flight options available from Ontario to Galway. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 6, 2026.

This British Airways deal was found by Cheapflights users on 1/5. 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 3/57:00 amONT - SNN
2 stops25h 45mBritish Airways
Mon 3/98:05 pmSNN - ONT
2 stops29h 37mBritish Airways
Deal found 1/5$488
This American Airlines deal was found by Cheapflights users on 1/5. 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 1/3112:57 pmONT - SNN
2 stops19h 48mAmerican Airlines
Sun 2/87:50 amSNN - ONT
2 stops22h 23mAmerican Airlines
Deal found 1/5$585
This United Airlines deal was found by Cheapflights users on 1/6. 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 9/157:00 amONT - SNN
1 stop16h 30mUnited Airlines
Tue 9/2912:30 pmSNN - ONT
2 stops18h 36mUnited Airlines
Deal found 1/6$626
This United Airlines deal was found by Cheapflights users on 1/4. 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 7/77:00 amONT - SNN
1 stop16h 30mUnited Airlines
Tue 7/219:30 amSNN - ONT
2 stops18h 47mUnited Airlines
Deal found 1/4$682
This oojo deal was found by Cheapflights users on 1/4. 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 9/54:54 pmONT - SNN
2 stops39h 16mBritish Airways
Thu 9/107:40 amSNN - ONT
2 stops17h 59mBritish Airways
Deal found 1/4$692
This United Airlines deal was found by Cheapflights users on 1/5. 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 5/236:53 pmONT - SNN
2 stops28h 37mUnited Airlines
Sun 5/319:30 amSNN - ONT
1 stop20h 56mUnited Airlines
Deal found 1/5$718
This American Airlines deal was found by Cheapflights users on 1/4. 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.
Sun 2/14:45 pmONT - SNN
2 stops16h 00mAmerican Airlines
Tue 2/177:50 amSNN - ONT
2 stops19h 55mAmerican Airlines
Deal found 1/4$753
This oojo deal was found by Cheapflights users on 1/6. 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 7/162:22 pmONT - SNN
2 stops17h 48mBritish Airways
Mon 7/204:55 pmSNN - ONT
2 stops33h 17mBritish Airways
Deal found 1/6$906

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Galway 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 6, 2026.
Use the filters below to find and compare flights from Ontario to Galway that are best for you.

Fly from

Ontario

Fly to

Galway

Route

Depart

Return

Price

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Thu 3/5

7:00 am-4:45 pm

2 stops25h 45m

Shannon

Mon 3/9

8:05 pm-6:42 pm

2 stops29h 37m

$488

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Sat 1/31

12:57 pm-4:45 pm

2 stops19h 48m

Shannon

Sun 2/8

7:50 am-10:13 pm

2 stops22h 23m

$585

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Sat 5/23

6:53 pm-7:30 am

2 stops28h 37m

Shannon

Sun 5/31

9:30 am-8:17 pm

2 stops18h 47m

$742

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Sun 2/1

4:45 pm-4:45 pm

2 stops16h 00m

Shannon

Tue 2/17

7:50 am-7:45 pm

2 stops19h 55m

$753

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Fri 5/15

7:00 am-10:15 am

2 stops19h 15m

Shannon

Sat 5/23

9:30 am-5:18 pm

2 stops15h 48m

$987

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Thu 7/2

12:59 am-11:20 am

2 stops26h 21m

Shannon

Sat 7/11

5:30 pm-9:51 pm

2 stops36h 21m

$1,328

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Fri 5/15

11:25 pm-5:55 am

1 stop22h 30m

Shannon

Sat 5/23

2:40 pm-10:09 pm

1 stop15h 29m

$1,388

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Tue 2/3

10:58 am-4:45 pm

2 stops21h 47m

Shannon

Tue 2/10

8:05 pm-8:10 pm

2 stops32h 05m

$1,493

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Wed 3/18

10:56 am-11:30 am

2 stops17h 34m

$595

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Thu 3/12

5:02 pm-4:45 pm

2 stops16h 43m

$850

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/3

Best time to book a flight from Ontario to Galway

Have a flexible travel schedule? Discover the best time to fly to Galway 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 Galway

What is the cheapest month to book a flight from Ontario to Galway?

Currently, August is the cheapest month in which you can book a flight from Ontario to Galway (average of $469). Flying from Ontario to Galway 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 Galway. 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 Galway?

    Located just 3.1 mi from the city center, Ontario is the airport most travelers will use when flying to Galway from Ontario. Booking flights from Ontario (ONT) to Galway should be relatively easy as there are 0 daily outbound flights to Galway from 0 different airlines.

  • How long is the flight from Ontario to Galway?

    A quick flight from Ontario to Galway can take about 19h 48m. British Airways provides one of the quickest options available for as low as $585. Ontario and Galway are separated by a distance of 5072 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Ontario to Galway that include hotel bookings?

    Yes. In addition to deals on Ontario to Galway flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Galway?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Galway.

  • Can I find deals for business class flights from Ontario to Galway?

    Yes. Cheapflights offers flight deals from Ontario to Galway 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 Galway?

    Currently, August is the cheapest month in which you can book a flight from Ontario to Galway (average of $469). Flying from Ontario to Galway 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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