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$397+ Cheap flights from Ontario (ONT) to Galway, 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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SNN
ago. 19 — ago. 261
mar. 8/19
mar. 8/26
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 agosto 14, 2025.

Round-trip from

$666
(United Airlines)

One-way from

$397
(Ovago)

Popular in

December

Cheapest in

March

Average price

$750
From Ontario to Galway
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One-way flight from Ontario to Galway
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Highest demand for flights based on searches. 17% potential increase in price ($193 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($66 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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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 agosto 14, 2025.

This United Airlines deal was found by Cheapflights users on 8/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/137:00 amONT - SNN
1 stop16h 30mUnited Airlines
mié. 9/249:30 amSNN - ONT
1 stop21h 00mUnited Airlines
Deal found 8/14$666
This United Airlines deal was found by Cheapflights users on 8/13. 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.
mié. 10/159:36 amONT - SNN
2 stops16h 39mUnited Airlines
mié. 10/2212:30 pmSNN - ONT
2 stops18h 00mUnited Airlines
Deal found 8/13$670
This United Airlines deal was found by Cheapflights users on 8/13. 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.
sáb. 10/119:36 amONT - SNN
2 stops16h 39mUnited Airlines
lun. 10/2012:30 pmSNN - ONT
2 stops18h 00mUnited Airlines
Deal found 8/13$671
This United Airlines deal was found by Cheapflights users on 8/13. 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.
sáb. 10/119:36 amONT - SNN
2 stops16h 39mUnited Airlines
sáb. 10/2512:30 pmSNN - ONT
2 stops18h 22mUnited Airlines
Deal found 8/13$716
This United Airlines deal was found by Cheapflights users on 8/13. 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.
lun. 9/157:00 amONT - SNN
1 stop16h 30mUnited Airlines
mié. 9/249:30 amSNN - ONT
1 stop21h 00mUnited Airlines
Deal found 8/13$746
This United Airlines deal was found by Cheapflights users on 8/13. 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.
lun. 9/157:00 amONT - SNN
1 stop16h 30mUnited Airlines
vie. 10/2412:30 pmSNN - ONT
2 stops16h 54mUnited Airlines
Deal found 8/13$750
This KLM deal was found by Cheapflights users on 8/13. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/317:05 amONT - SNN
2 stops20h 05mKLM
lun. 9/151:05 pmSNN - ONT
2 stops17h 18mKLM
Deal found 8/13$751
This United Airlines deal was found by Cheapflights users on 8/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/146:04 amONT - SNN
2 stops20h 11mUnited Airlines
dom. 9/219:30 amSNN - ONT
2 stops35h 02mUnited Airlines
Deal found 8/14$772
This United Airlines deal was found by Cheapflights users on 8/13. 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.
lun. 10/139:36 amONT - SNN
2 stops16h 39mUnited Airlines
sáb. 10/2512:30 pmSNN - ONT
2 stops18h 22mUnited Airlines
Deal found 8/13$774
This United Airlines deal was found by Cheapflights users on 8/13. 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.
mar. 8/267:00 amONT - SNN
1 stop16h 30mUnited Airlines
mar. 9/29:30 amSNN - ONT
1 stop21h 00mUnited Airlines
Deal found 8/13$801
This United Airlines deal was found by Cheapflights users on 8/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/157:00 amONT - SNN
1 stop16h 30mUnited Airlines
vie. 9/2612:30 pmSNN - ONT
2 stops18h 00mUnited Airlines
Deal found 8/14$898
This United Airlines deal was found by Cheapflights users on 8/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/156:04 amONT - SNN
2 stops17h 26mUnited Airlines
dom. 9/2812:30 pmSNN - ONT
2 stops16h 54mUnited Airlines
Deal found 8/14$983

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 agosto 14, 2025.
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

sáb. 9/13

7:00 am-7:30 am

1 stop16h 30m

Shannon

mié. 9/24

9:30 am-10:30 pm

1 stop21h 00m

$666

OntarioShannon

ONT - SNN

ONTSNN

Ontario

mié. 10/15

9:36 am-10:15 am

2 stops16h 39m

Shannon

mié. 10/22

12:30 pm-10:30 pm

2 stops18h 00m

$670

OntarioShannon

ONT - SNN

ONTSNN

Ontario

sáb. 10/11

9:36 am-10:15 am

2 stops16h 39m

Shannon

lun. 10/20

12:30 pm-10:30 pm

2 stops18h 00m

$671

OntarioShannon

ONT - SNN

ONTSNN

Ontario

mié. 10/15

9:36 am-10:15 am

2 stops16h 39m

Shannon

sáb. 10/25

12:30 pm-10:52 pm

2 stops18h 22m

$716

OntarioShannon

ONT - SNN

ONTSNN

Ontario

mar. 10/14

9:36 am-10:15 am

2 stops16h 39m

Shannon

sáb. 10/25

12:30 pm-10:52 pm

2 stops18h 22m

$716

OntarioShannon

ONT - SNN

ONTSNN

Ontario

sáb. 10/11

9:36 am-10:15 am

2 stops16h 39m

Shannon

sáb. 10/25

12:30 pm-10:52 pm

2 stops18h 22m

$716

OntarioShannon

ONT - SNN

ONTSNN

Ontario

mar. 9/16

7:00 am-7:30 am

1 stop16h 30m

Shannon

mié. 9/24

9:30 am-10:30 pm

1 stop21h 00m

$746

OntarioShannon

ONT - SNN

ONTSNN

Ontario

lun. 9/15

7:00 am-7:30 am

1 stop16h 30m

Shannon

mié. 9/24

9:30 am-10:30 pm

1 stop21h 00m

$746

OntarioShannon

ONT - SNN

ONTSNN

Ontario

lun. 9/15

5:10 am-7:30 am

2 stops18h 20m

Shannon

vie. 10/24

12:30 pm-9:24 pm

2 stops16h 54m

$750

OntarioShannon

ONT - SNN

ONTSNN

Ontario

dom. 8/31

7:05 am-11:10 am

2 stops20h 05m

Shannon

lun. 9/15

1:05 pm-10:23 pm

2 stops17h 18m

$751

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 18 results
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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, February is the cheapest month in which you can book a flight from Ontario to Galway (average of $533). Flying from Ontario to Galway in June is currently the most expensive (average of $933). 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.

  • 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, February is the cheapest month in which you can book a flight from Ontario to Galway (average of $533). Flying from Ontario to Galway in June is currently the most expensive (average of $933). 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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