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Cheap flights from Ontario (ONT) to Ireland from $413

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 5/14. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ONT — DUB
Apr 28 — May 51
From?
To?
Sun 4/28
Sun 5/5
1 adult, Economy
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How far in advance should I book a flight from Ontario to Ireland?

To save on the cost of your flight from Ontario to Ireland, book at least 32 days before your planned departure. Booking around this time can save you about 47% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $876 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,020.

What is the cheapest month to fly from Ontario to Ireland?

Flights from Ontario to Ireland lean towards being more expensive in June. Prices are generally better when you fly from Ontario to Ireland in January, with the cheapest ticket starting at $394.

When is the cheapest time to fly from Ontario to Ireland (ONT - IE)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Ireland as you normally would.

Cheap Iberia flights from Ontario to Ireland

Explore cheap flight options specifically provided by Iberia for the route between Ontario and Ireland. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,086,534 searches. Data last updated April 23, 2024.
Take a peek at the cheapest Iberia flights we've detected traveling from Ontario to Ireland. Be sure to come back soon if the deals available don't appeal to you at this time.
Fri 9/2710:50 amONT - DUB
1 stop14h 55mIberia
Thu 10/312:40 pmDUB - ONT
1 stop18h 46mIberia
Deal found 4/22$722
Thu 5/1610:34 amONT - DUB
1 stop15h 11mIberia
Thu 5/2312:40 pmDUB - ONT
1 stop15h 28mIberia
Deal found 4/23$782
Sun 10/610:50 amONT - DUB
1 stop14h 55mIberia
Sun 10/1312:40 pmDUB - ONT
1 stop18h 46mIberia
Deal found 4/22$806
Fri 9/2012:45 pmONT - DUB
1 stop13h 00mIberia
Thu 10/312:40 pmDUB - ONT
1 stop17h 02mIberia
Deal found 4/22$808
Sun 10/68:41 amONT - DUB
1 stop17h 04mIberia
Sun 10/1312:40 pmDUB - ONT
1 stop18h 46mIberia
Deal found 4/22$810
Wed 5/152:50 pmONT - DUB
2 stops19h 35mIberia
Tue 5/2112:40 pmDUB - ONT
1 stop19h 16mIberia
Deal found 4/23$821
Sat 10/58:41 amONT - DUB
1 stop17h 04mIberia
Sat 10/1912:40 pmDUB - ONT
1 stop18h 46mIberia
Deal found 4/21$833
Thu 5/212:53 pmONT - DUB
1 stop12h 52mIberia
Mon 5/612:40 pmDUB - ONT
1 stop19h 16mIberia
Deal found 4/22$841
Wed 7/1710:48 amONT - DUB
1 stop14h 57mIberia
Wed 8/712:40 pmDUB - ONT
1 stop18h 46mIberia
Deal found 4/21$849

Cheap American Airlines flights from Ontario to Ireland

Explore cheap flight options specifically provided by American Airlines for the route between Ontario and Ireland. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,086,534 searches. Data last updated April 23, 2024.
Browse through some of the cheapest American Airlines flights traveling from Ontario to Ireland. Check back soon if you're not seeing flights that suit your needs.
Mon 9/164:45 pmONT - DUB
2 stops16h 10mAmerican Airlines
Mon 9/3011:45 amDUB - ONT
1 stop18h 15mAmerican Airlines
Deal found 4/22$713
Mon 9/1611:00 pmONT - DUB
1 stop22h 00mAmerican Airlines
Mon 9/3011:45 amDUB - ONT
1 stop18h 15mAmerican Airlines
Deal found 4/22$719
Sun 5/2611:59 pmONT - DUB
1 stop25h 46mAmerican Airlines
Sun 6/911:45 amDUB - ONT
1 stop19h 14mAmerican Airlines
Deal found 4/22$854
Wed 9/412:45 pmONT - ORK
2 stops18h 25mAmerican Airlines
Mon 9/911:45 amORK - ONT
2 stops18h 15mAmerican Airlines
Deal found 4/23$922
Tue 7/1612:43 pmONT - DUB
1 stop13h 02mAmerican Airlines
Tue 8/612:40 pmDUB - ONT
1 stop17h 02mAmerican Airlines
Deal found 4/21$1,049
Tue 4/3010:46 amONT - DUB
1 stop14h 59mAmerican Airlines
Wed 5/811:45 amDUB - ONT
1 stop15h 14mAmerican Airlines
Deal found 4/23$6,950

Cheap Ontario to Ireland flights in April & May 2024

Find cheap flight options from Ontario to Ireland specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,086,534 searches. Prices were last updated on April 23, 2024.
These are some of the best deals we've found on flights to Ireland in 2024 at this time. If these deals don't appeal to you, be sure to come back soon for more options.
Mon 5/66:10 amONT - DUB
1 stop18h 35mKLM
Sun 5/1911:00 amDUB - ONT
1 stop17h 06mKLM
Deal found 4/23$708
Thu 5/1610:34 amONT - DUB
1 stop15h 11mIberia
Tue 5/2112:40 pmDUB - ONT
1 stop19h 16mIberia
Deal found 4/23$722
Thu 5/1610:34 amONT - DUB
1 stop15h 11mIberia
Thu 5/2312:40 pmDUB - ONT
1 stop15h 28mIberia
Deal found 4/23$782
Sun 5/266:00 amONT - DUB
1 stop18h 45mKLM
Sun 6/911:00 amDUB - ONT
1 stop16h 42mKLM
Deal found 4/23$791
Mon 5/275:45 amONT - DUB
2 stops19h 00mDelta
Mon 6/311:00 amDUB - ONT
2 stops20h 43mDelta
Deal found 4/22$796
Sun 5/2611:20 amONT - DUB
2 stops21h 35mDelta
Sun 6/911:00 amDUB - ONT
1 stop20h 00mDelta
Deal found 4/22$808
Sun 5/266:50 amONT - DUB
2 stops26h 05mDelta
Sun 6/910:00 amDUB - ONT
2 stops21h 00mDelta
Deal found 4/23$813
Thu 5/1610:34 amONT - DUB
1 stop15h 11mBritish Airways
Tue 5/219:25 amDUB - ONT
2 stops18h 43mBritish Airways
Deal found 4/23$817
Wed 5/152:50 pmONT - DUB
2 stops19h 35mIberia
Tue 5/2112:40 pmDUB - ONT
1 stop19h 16mIberia
Deal found 4/23$821

Ontario to Ireland 2024 flight deals

Discover exclusive flight deals for travel between Ontario and Ireland in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,086,534 searches. Data last updated April 23, 2024.
These are some of the best deals we've found on flights to Ireland in 2024 at this time. If these deals don't appeal to you, be sure to come back soon for more options.
Mon 11/116:02 amONT - DUB
2 stops16h 58mUnited Airlines
Wed 11/2011:50 amDUB - ONT
2 stops17h 31mUnited Airlines
Deal found 4/22$570
Thu 11/712:45 pmONT - DUB
1 stop12h 40mKLM
Mon 11/1112:20 pmDUB - ONT
1 stop18h 08mKLM
Deal found 4/23$587
Thu 11/710:59 pmONT - DUB
2 stops25h 46mDelta
Mon 11/1112:20 pmDUB - ONT
1 stop18h 08mDelta
Deal found 4/23$592
Thu 11/711:59 pmONT - DUB
2 stops29h 41mBritish Airways
Mon 11/117:25 pmDUB - ONT
2 stops36h 42mBritish Airways
Deal found 4/22$606
Thu 11/710:59 pmONT - DUB
2 stops25h 46mDelta
Mon 11/116:00 amDUB - ONT
2 stops25h 51mDelta
Deal found 4/23$609
Thu 12/56:00 amONT - DUB
2 stops22h 40mDelta
Mon 12/910:45 amDUB - ONT
2 stops19h 43mDelta
Deal found 4/22$621
Wed 11/206:02 amONT - DUB
2 stops16h 58mUnited Airlines
Wed 11/279:00 amDUB - ONT
2 stops20h 21mUnited Airlines
Deal found 4/21$644
Sun 10/67:18 amONT - DUB
2 stops19h 02mUnited Airlines
Mon 11/411:50 amDUB - ONT
2 stops18h 15mUnited Airlines
Deal found 4/23$692
Wed 10/237:18 amONT - DUB
2 stops18h 27mUnited Airlines
Wed 10/308:00 amDUB - ONT
2 stops35h 33mUnited Airlines
Deal found 4/22$697

Ontario to Ireland flights leaving soon

Find last-minute flight options from Ontario to Ireland for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,086,534 searches. Data last updated April 23, 2024.
Check out these flights departing soon from Ontario to Ireland. Users should examine the flight details to ensure there are no surprises.
Thu 5/212:53 pmONT - DUB
1 stop12h 52mIberia
Mon 5/612:40 pmDUB - ONT
1 stop19h 16mIberia
Deal found 4/22$841
Sun 4/287:43 amONT - DUB
1 stop18h 02mIberia
Tue 4/3012:40 pmDUB - ONT
1 stop19h 17mIberia
Deal found 4/23$893
Thu 5/212:53 pmONT - DUB
1 stop12h 52mIberia
Mon 5/611:00 amDUB - ONT
2 stops41h 08mIberia
Deal found 4/22$1,235
Sun 4/2812:53 pmONT - DUB
1 stop12h 52mIberia
Tue 4/307:15 pmDUB - ONT
2 stops36h 42mIberia
Deal found 4/23$1,883
Thu 5/210:29 amONT - DUB
2 stops16h 36mMultiple Airlines
Mon 5/612:15 pmDUB - ONT
2 stops19h 44mMultiple Airlines
Deal found 4/22$3,521
Mon 4/2912:53 pmONT - DUB
1 stop12h 52mIberia
Tue 5/712:40 pmDUB - ONT
1 stop15h 28mIberia
Deal found 4/23$6,897
Tue 4/3010:46 amONT - DUB
1 stop14h 59mAmerican Airlines
Wed 5/811:45 amDUB - ONT
1 stop15h 14mAmerican Airlines
Deal found 4/23$6,950

One-way flights to Ireland from Ontario

Search for one-way flight options from Ontario to Ireland. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,086,534 searches. Data last updated April 23, 2024.
If you're seeking multiple options on one-way flights from Ontario to Ireland, be sure to check out these deals, which are updated often. Those seeking round-trip flights from Ontario to Ireland should utilize the search form at the the top of the page.
Tue 5/146:00 amONT - DUB
1 stop18h 45mKLM
Deal found 4/23$413
Mon 5/66:10 amONT - DUB
1 stop18h 35mDelta
Deal found 4/22$443
Mon 5/276:00 amONT - DUB
1 stop19h 45mAmerican Airlines
Deal found 4/23$660
Tue 5/712:50 pmONT - DUB
1 stop12h 55mIberia
Deal found 4/23$663
Mon 8/128:41 amONT - ORK
2 stops18h 04mAmerican Airlines
Deal found 4/21$675
Tue 6/1111:30 amONT - DUB
1 stop13h 15mKLM
Deal found 4/23$682
Mon 5/276:00 amONT - DUB
2 stops19h 45mUnited Airlines
Deal found 4/23$685
Tue 6/186:00 amONT - DUB
3 stops19h 45mUnited Airlines
Deal found 4/23$687
Mon 6/2411:30 amONT - DUB
1 stop13h 15mKLM
Deal found 4/23$688

Find flights from Ontario to Ireland within your budget

Customize your flight search to find flights from Ontario to Ireland 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 3,086,534 searches. Data last updated April 23, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$692 - $796

Route

Depart

Return

Price

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Sun 10/6

2 stops19h 02m

Dublin

Mon 11/4

2 stops18h 15m

$692

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Mon 5/6

1 stop18h 35m

Dublin

Sun 5/19

1 stop17h 06m

$708

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Mon 9/16

2 stops16h 10m

Dublin

Mon 9/30

1 stop18h 15m

$713

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Tue 9/17

2 stops17h 09m

Dublin

Fri 10/4

1 stop17h 02m

$715

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Mon 9/16

1 stop22h 00m

Dublin

Mon 9/30

1 stop18h 15m

$719

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Fri 9/27

1 stop14h 55m

Dublin

Thu 10/3

1 stop18h 46m

$722

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Mon 9/16

2 stops19h 00m

Dublin

Thu 10/3

2 stops21h 06m

$724

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Thu 8/15

2 stops20h 20m

Dublin

Fri 8/23

2 stops21h 10m

$727

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Mon 5/27

2 stops19h 00m

Dublin

Mon 6/3

2 stops20h 43m

$796

Flights are sorted by cheapest first

Deals found on 4/23

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Ireland

Get insights into the airlines that provide service to Ireland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ireland. Reviews last updated April 23, 2024.
See what other customers who have flown with Iberia, American Airlines and Delta from Ontario to Ireland have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very good
11,028 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.5

Overall

8.1

Entertainment

8.0

Crew

8.6

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Delta
8.1
Very good
11,028 reviews
Delta
8.1
Very good
11,028 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.5

Overall

8.1

Entertainment

8.0

Crew

8.6

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

KLM
7.9
Good
1,632 reviews
Delta
8.1
Very good
11,028 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.5

Overall

8.1

Entertainment

8.0

Crew

8.6

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Air France
7.6
Good
1,813 reviews
Delta
8.1
Very good
11,028 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.5

Overall

8.1

Entertainment

8.0

Crew

8.6

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

United Airlines
7.4
Good
11,272 reviews
Delta
8.1
Very good
11,028 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.5

Overall

8.1

Entertainment

8.0

Crew

8.6

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

American Airlines
7.3
Good
14,914 reviews
Delta
8.1
Very good
11,028 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.5

Overall

8.1

Entertainment

8.0

Crew

8.6

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Related info for your journey

Find useful and relevant information for your journey from Ontario to Ireland. 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 Ireland?

    Located just 3.1 mi from the city center, Ontario (ONT) is the airport most travelers will use when flying to Ireland from Ontario.

  • Can I find flights from Ontario to Ireland for under $700 on Cheapflights?

    Yes, there are multiple flights from Ontario to Ireland for under $700. The cheapest flight booked recently is on United Airlines for just $692, but on average you can expect to pay $746.

  • Are there last-minute flights available from Ontario to Ireland for under $900?

    There are currently 7+ open flights from Ontario to Ireland within the next 7 days for less than $900.

  • What are the cheapest airlines to fly from Ontario to Ireland one-way?

    The cheapest airline one-way is KLM, with whom users have recently found tickets for as low as $413. However, be on the lookout for offers from Delta and American Airlines, as they are both options that can get you from Ontario to Ireland for a low price.

  • What are the most popular routes from Ontario to Ireland?

    When deciding which route to take from Ontario to Ireland consider Ontario - Dublin, Ontario - Shannon or Ontario - Cork as they are the most popular.

  • What are the most popular airlines that fly from Ontario to Ireland?

    The most popular airlines flying from Ontario to Ireland are American Airlines, British Airways and Delta. Something to consider prior to booking your flight.

  • What does ONT to DUB mean?

    Ontario Airport is ONT and Dublin Airport is DUB. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. Shannon Airport (SNN), Cork Airport (ORK), Knock Intl Airport (NOC), Milltown (Kerry) Kerry Airport (KIR), Galway Airport (GWY) are some additional IATA codes for airports related to your trip.

  • Can I find deals for flights from Ontario to Ireland that include extra baggage allowance?

    The amount of baggage you can bring on your Ontario to Ireland flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Ontario to Ireland with specific airlines?

    Yes, Cheapflights allows you to browse and filter Ontario to Ireland flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Ontario to Ireland that allow pets onboard?

    Many airlines flying from Ontario to Ireland offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Ontario to Ireland?

    Yes, you can often find last-minute deals on Ontario to Ireland flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Ontario to Ireland flight deals updated?

    The Ontario to Ireland flight deals you see on this page were last updated on 4/23.

See more FAQs

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Top 5 airlines flying from Ontario to Ireland

Discover the top 5 airlines that operate flights from Ontario to Ireland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 3,086,534 searches. Data last updated April 23, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$505Average$788FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
KLMCheapest$508Average$637FlexibilityNo cancel feeOn-time75%
Search KLM flights
American AirlinesCheapest$544Average$864FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
British AirwaysCheapest$549Average$872FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IberiaCheapest$704Average$901FlexibilityNo cancel feeOn-time77%
Search Iberia flights
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Search flights from Ontario to Ireland by cabin class

Find flights from Ontario to Ireland, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to Ireland?

Cheapflights helps you search for flights from Ontario to Ireland via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Ireland?

Cheapflights simply makes it quick and affordable to book flights from Ontario to Ireland by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Ontario to Ireland with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ontario to Ireland, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Ontario to Ireland become cheaper?

Yes, Cheapflights offers price alerts on Ontario to Ireland flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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