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Cheap flights from Ontario (ONT) to Dublin (DUB) from $437

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 10/15. 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
Jun 13 — Jun 201
From?
To?
Do 6/13
Do 6/20
1 adult, Economy
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Cheap flight deals from Ontario to Dublin

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Dublin (DUB). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated Juni 8, 2024.

Popular in

May

Cheapest in

February

Round-trip from

$505

One-way from

$466
High demand for flights, 32% potential price rise
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Best time to find cheap flights, 37% potential price drop
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From Ontario to Dublin
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One-way flight from Ontario to Dublin
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What is the cheapest day to fly round-trip from Ontario to Dublin?

Users have found that leaving on a Monday can be a cost-effective option. It’s possible to save up to 38% on your flight compared to booking on days when demand is much higher.

How far in advance should I book a flight from Ontario to Dublin?

To save up to 80% on this flight, we recommend booking at least 16 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Ontario to Dublin from $809 1-2 weeks out and tickets from $1,104 for flights departing within the next 72 hours.

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

Flights from Ontario to Dublin lean towards being more expensive in June. Prices are generally better when you fly from Ontario to Dublin in February, with the cheapest ticket starting at $396.

What is the cheapest time of day to fly from ONT to DUB?

One of the essential ways to save on airfare from Ontario to Dublin is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 10% on airfare.

Cheap Ontario to Dublin flights in June & July 2024

Find cheap flight options from Ontario to Dublin specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,045,324 searches. Prices were last updated on Juni 8, 2024.
These are some of the best deals we've found on flights to Dublin in 2024 at this time. Check back regularly for other flight deals.
Sa 7/2011:23 amONT - DUB
1 stop13h 22mKLM
Fr 9/2011:00 amDUB - ONT
1 stop16h 25mKLM
Deal found 6/7$631
Di 7/168:10 amONT - DUB
1 stop17h 35mIberia
Mi 7/2412:40 pmDUB - ONT
1 stop14h 10mIberia
Deal found 6/6$732
Di 7/28:10 amONT - DUB
1 stop17h 35mIberia
Mi 7/1710:55 amDUB - ONT
2 stops20h 54mIberia
Deal found 6/6$745
Mo 7/111:30 amONT - DUB
1 stop13h 15mKLM
Mi 8/2111:00 amDUB - ONT
1 stop16h 33mKLM
Deal found 6/7$747
Mo 7/1511:23 amONT - DUB
1 stop13h 22mKLM
Mo 7/2911:00 amDUB - ONT
1 stop16h 27mKLM
Deal found 6/6$779
Mo 7/1511:23 amONT - DUB
1 stop13h 22mDelta
Mo 8/512:00 pmDUB - ONT
2 stops19h 59mDelta
Deal found 6/6$783
Fr 7/511:30 amONT - DUB
1 stop13h 15mKLM
Mi 7/1711:00 amDUB - ONT
1 stop16h 27mKLM
Deal found 6/7$788
Do 7/46:00 amONT - DUB
1 stop19h 45mIberia
Mi 7/1710:55 amDUB - ONT
2 stops20h 54mIberia
Deal found 6/6$795
Do 7/411:30 amONT - DUB
1 stop13h 15mKLM
Mi 7/1711:00 amDUB - ONT
1 stop16h 27mKLM
Deal found 6/7$797

Ontario to Dublin 2024 flight deals

Discover exclusive flight deals for travel between Ontario and Dublin in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,045,324 searches. Data last updated Juni 8, 2024.
These are some of the best deals we've found on flights to Dublin in 2024 at this time. Check back regularly for other flight deals.
Mi 11/612:51 pmONT - DUB
2 stops17h 19mAmerican Airlines
Mi 11/139:40 amDUB - ONT
2 stops20h 03mAmerican Airlines
Deal found 6/6$455
Sa 11/166:35 pmONT - DUB
2 stops28h 35mMultiple Airlines
Fr 11/299:00 amDUB - ONT
2 stops19h 25mMultiple Airlines
Deal found 6/6$457
Di 11/1911:30 amONT - DUB
1 stop13h 55mKLM
Mi 11/2712:20 pmDUB - ONT
1 stop18h 08mKLM
Deal found 6/6$458
Di 11/195:15 amONT - DUB
2 stops18h 00mMultiple Airlines
Mi 11/279:00 amDUB - ONT
2 stops20h 52mMultiple Airlines
Deal found 6/6$460
Mi 11/66:00 amONT - DUB
2 stops17h 00mUnited Airlines
Di 11/1211:50 amDUB - ONT
2 stops18h 31mUnited Airlines
Deal found 6/6$462
Di 11/197:30 amONT - DUB
2 stops20h 40mMultiple Airlines
Do 11/2810:55 amDUB - ONT
2 stops21h 12mMultiple Airlines
Deal found 6/6$464
Mi 11/66:00 amONT - DUB
2 stops26h 00mDelta
Mi 11/1312:20 pmDUB - ONT
1 stop15h 02mDelta
Deal found 6/6$475
Mo 11/187:30 amONT - DUB
2 stops20h 50mMultiple Airlines
Do 11/2810:55 amDUB - ONT
2 stops21h 12mMultiple Airlines
Deal found 6/6$496
Mi 12/116:02 amONT - DUB
2 stops16h 58mUnited Airlines
So 12/159:00 amDUB - ONT
2 stops20h 21mUnited Airlines
Deal found 6/6$500

Ontario to Dublin flights leaving soon

Find last-minute flight options from Ontario to Dublin 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 3,045,324 searches. Data last updated Juni 8, 2024.
Check out these flights departing soon from Ontario to Dublin. Tip: verify your flight details before completing your reservation.
Mi 6/1212:49 pmONT - DUB
1 stop12h 56mIberia
Mi 6/1912:40 pmDUB - ONT
1 stop19h 19mIberia
Deal found 6/7$912
Do 6/1312:49 pmONT - DUB
1 stop12h 56mIberia
Do 6/2012:40 pmDUB - ONT
1 stop17h 29mIberia
Deal found 6/6$933
Mi 6/1211:30 amONT - DUB
1 stop13h 15mKLM
Di 6/1811:00 amDUB - ONT
1 stop16h 42mKLM
Deal found 6/6$1,008
Mi 6/1211:30 amONT - DUB
1 stop13h 15mKLM
Mo 6/1711:00 amDUB - ONT
1 stop16h 42mKLM
Deal found 6/6$1,030
Mo 6/1711:30 amONT - DUB
1 stop13h 15mKLM
Mo 6/2411:00 amDUB - ONT
1 stop16h 42mKLM
Deal found 6/6$1,078
Fr 6/1412:49 pmONT - DUB
1 stop12h 56mIberia
Fr 6/2112:40 pmDUB - ONT
1 stop14h 17mIberia
Deal found 6/6$1,143
Fr 6/1411:30 amONT - DUB
1 stop13h 15mKLM
Mi 6/2611:00 amDUB - ONT
1 stop16h 42mKLM
Deal found 6/5$1,157
Do 6/1310:00 pmONT - DUB
1 stop26h 45mDelta
Di 6/1811:00 amDUB - ONT
1 stop20h 00mDelta
Deal found 6/6$1,162
Do 6/1312:49 pmONT - DUB
1 stop12h 56mBritish Airways
Do 6/209:20 amDUB - ONT
2 stops20h 49mBritish Airways
Deal found 6/6$1,170

One-way flights to Dublin from Ontario

Search for one-way flight options from Ontario to Dublin. 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 3,045,324 searches. Data last updated Juni 8, 2024.
Users in need of a one-way flight from Ontario to Dublin can choose from these deals. Users can also find round-trip Ontario to Dublin flights by using the search form above.
Di 10/1511:30 amONT - DUB
1 stop13h 15mKLM
Deal found 6/6$437
So 7/76:20 amONT - DUB
2 stops20h 00mUnited Airlines
Deal found 6/7$439
Sa 9/2812:00 pmONT - DUB
1 stop12h 45mKLM
Deal found 6/7$443
So 7/711:30 amONT - DUB
1 stop13h 15mKLM
Deal found 6/7$444
So 8/185:10 amONT - DUB
2 stops19h 05mAir Canada
Deal found 6/7$466
Di 10/158:41 amONT - DUB
1 stop17h 04mIberia
Deal found 6/7$472
Sa 10/126:00 amONT - DUB
2 stops20h 20mUnited Airlines
Deal found 6/6$478
Do 10/1011:30 amONT - DUB
1 stop13h 15mKLM
Deal found 6/6$482
Fr 8/96:00 amONT - DUB
2 stops20h 20mUnited Airlines
Deal found 6/7$525

Find flights from Ontario to Dublin within your budget

Customize your flight search to find flights from Ontario to Dublin 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 3,045,324 searches. Data last updated Juni 8, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$455 - $533

Route

Depart

Return

Price

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Mi 11/6

2 stops17h 19m

Dublin

Mi 11/13

2 stops20h 03m

$455

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Sa 11/16

2 stops28h 35m

Dublin

Fr 11/29

2 stops19h 25m

$457

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Di 11/19

1 stop13h 55m

Dublin

Mi 11/27

1 stop18h 08m

$458

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Di 11/19

2 stops18h 00m

Dublin

Mi 11/27

2 stops20h 52m

$460

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Mi 11/6

2 stops17h 00m

Dublin

Di 11/12

2 stops18h 31m

$462

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Mi 11/6

2 stops26h 00m

Dublin

Mi 11/13

1 stop15h 02m

$475

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Do 11/14

2 stops16h 39m

Dublin

Do 11/21

2 stops20h 48m

$505

OntarioDublin

ONT - DUB

ONTDUB

Ontario

So 11/17

2 stops35h 14m

Dublin

Do 11/28

2 stops21h 12m

$525

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Do 11/7

2 stops22h 07m

Dublin

Mo 11/11

2 stops30h 23m

$533

Flights are sorted by cheapest first

Deals found on 6/6

What is the cheapest day to fly from Ontario to Dublin?

Use this chart to determine the cheapest time to fly round-trip from Ontario to Dublin. Price data was last updated on June 2, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Ontario to Dublin flight should consider departing on Tuesday mornings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
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Best time to book a flight from Ontario to Dublin

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

Temperature and rainfall in Dublin by month

Plan your trip to Dublin by taking into account the average temperature and rainfall totals by month.

DUB

Temperature

41 - 60.8 °F

If weather is an important factor for your trip to Dublin, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Dublin

Get insights into the airlines that provide service to Dublin. 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 Dublin. Reviews last updated Juni 8, 2024.
See what other customers who have flown with United Airlines, KLM and Delta from Ontario to Dublin have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,333 reviews

Boarding

8.2

Entertainment

8.0

Crew

8.6

Overall

8.0

Food

7.4

Comfort

7.9

Reviews

1 / 10

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

Delta
8.0
Very good
10,333 reviews
Delta
8.0
Very good
10,333 reviews

Boarding

8.2

Entertainment

8.0

Crew

8.6

Overall

8.0

Food

7.4

Comfort

7.9

Reviews

1 / 10

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

KLM
7.9
Good
1,483 reviews
Delta
8.0
Very good
10,333 reviews

Boarding

8.2

Entertainment

8.0

Crew

8.6

Overall

8.0

Food

7.4

Comfort

7.9

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
10,686 reviews
Delta
8.0
Very good
10,333 reviews

Boarding

8.2

Entertainment

8.0

Crew

8.6

Overall

8.0

Food

7.4

Comfort

7.9

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
14,204 reviews
Delta
8.0
Very good
10,333 reviews

Boarding

8.2

Entertainment

8.0

Crew

8.6

Overall

8.0

Food

7.4

Comfort

7.9

Reviews

1 / 10

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

Iberia
7.1
Good
2,721 reviews
Delta
8.0
Very good
10,333 reviews

Boarding

8.2

Entertainment

8.0

Crew

8.6

Overall

8.0

Food

7.4

Comfort

7.9

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 Dublin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Ontario to Dublin for under $500 on Cheapflights?

    Yes, there are multiple flights from Ontario to Dublin for under $500. The cheapest flight booked recently is on American Airlines for just $455, but on average you can expect to pay $500.

  • Are there last-minute flights available from Ontario to Dublin for under $1,000?

    There are currently 20+ open flights from Ontario to Dublin within the next 7 days for less than $1,000.

  • What are the cheapest airlines flying from Ontario to Dublin round-trip?

    Cheapflights users have booked flights from Ontario to Dublin round-trip from $455. Other airlines that can offer you cheap pricing are KLM, from $458, and United Airlines, from $462. Users have found that American Airlines is 42% cheaper than the other options available to this destination.

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

    One-way options have recently been found by users for as low as $437 on KLM. Other airlines that offer cheap prices include United Airlines from $439 and Air Canada from $466 one-way.

  • What does ONT to DUB mean?

    This is defined as Ontario Airport (ONT) and Dublin Airport (DUB). Codes like Dublin Airport are often used to just call airports uniquely.

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

    The amount of baggage you can bring on your Ontario to Dublin 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 Dublin with specific airlines?

    Yes, Cheapflights allows you to browse and filter Ontario to Dublin 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 Dublin that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Dublin 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 Dublin that allow pets onboard?

    Many airlines flying from Ontario to Dublin 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 Dublin?

    Yes, you can often find last-minute deals on Ontario to Dublin 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 Dublin flight deals updated?

    The Ontario to Dublin flight deals you see on this page were last updated on 6/6.

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

    American Airlines, British Airways and Delta are the most popular airlines when flying from Ontario to Dublin.

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

    Currently, November is the cheapest month in which you can book a flight from Ontario to Dublin (average of $505). Flying from Ontario to Dublin in June is currently the most expensive (average of $955). 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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Alternative routes for Ontario to Dublin
See prices for flight routes from nearby airports that may be better suited for you.

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Top 5 airlines flying from Ontario to Dublin

Discover the top 5 airlines that operate flights from Ontario to Dublin. 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 3,045,324 searches. Data last updated Juni 8, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$505Average$863FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$508Average$637FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$530Average$779FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$544Average$877FlexibilityNo cancel feeOn-time71%
IberiaCheapest$709Average$911FlexibilityNo cancel feeOn-time77%
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Search flights from Ontario to Dublin by cabin class

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