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Cheap flights from Dublin (DUB) to Ontario (ONT) from $612

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 6/16. 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.
DUB — ONT
Jun 15 — Jun 221
From?
To?
Sat 6/15
Sat 6/22
1 adult, Economy
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Cheap flight deals from Dublin to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Dublin (DUB) to Ontario (ONT). 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 June 10, 2024.

Round-trip from

$238
From Dublin to Ontario
Search Deals

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

To save up to 50% on this flight, we recommend booking at least 28 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Dublin to Ontario from $515 1-2 weeks out and tickets from $717 for flights departing within the next 72 hours.

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

February is one of the best times of the year to fly to Ontario from Dublin. Prices for February average $626 per person but you can even find prices for as low as $287. The most expensive prices can be found in the month of July. Opting for a February flight can save you 44% on your journey compared to booking in July

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

When flying from Dublin to Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap Dublin to Ontario flights in June & July 2024

Find cheap flight options from Dublin to Ontario specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,080,152 searches. Prices were last updated on June 10, 2024.
The lowest fares we've come across on flights traveling from Dublin to Ontario in June and July 2024. For more flight deals, be sure to check back very soon.
Sun 6/1612:40 pmDUB - ONT
1 stop33h 08mAmerican Airlines
Sat 6/2910:45 pmONT - DUB
1 stop22h 15mAmerican Airlines
Deal found 6/9$612
Sun 6/1612:40 pmDUB - ONT
1 stop14h 17mIberia
Sun 6/308:10 amONT - DUB
1 stop17h 35mIberia
Deal found 6/9$644
Sun 6/1612:40 pmDUB - ONT
1 stop19h 19mAmerican Airlines
Sun 6/2312:49 pmONT - DUB
1 stop12h 56mAmerican Airlines
Deal found 6/9$705
Tue 6/1812:40 pmDUB - ONT
1 stop14h 17mAmerican Airlines
Mon 7/112:49 pmONT - DUB
1 stop12h 56mAmerican Airlines
Deal found 6/9$794
Sun 6/1612:40 pmDUB - ONT
1 stop14h 17mIberia
Sun 6/3012:49 pmONT - DUB
1 stop12h 56mIberia
Deal found 6/9$798
Sun 6/1611:00 amDUB - ONT
1 stop16h 42mKLM
Thu 7/411:30 amONT - DUB
1 stop13h 15mKLM
Deal found 6/10$822
Sat 6/1511:00 amDUB - ONT
1 stop16h 42mKLM
Sat 6/2211:30 amONT - DUB
1 stop13h 15mKLM
Deal found 6/8$829
Mon 6/1712:40 pmDUB - ONT
1 stop14h 17mAmerican Airlines
Sun 6/3012:49 pmONT - DUB
1 stop12h 56mAmerican Airlines
Deal found 6/10$841
Wed 7/2411:00 amDUB - ONT
1 stop16h 27mKLM
Wed 8/711:23 amONT - DUB
1 stop13h 22mKLM
Deal found 6/9$889

Dublin to Ontario 2024 flight deals

Discover exclusive flight deals for travel between Dublin and Ontario in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,080,152 searches. Data last updated June 10, 2024.
The lowest fares we've come across on flights traveling from Dublin to Ontario in June and July 2024. For more flight deals, be sure to check back very soon.
Sun 6/1612:40 pmDUB - ONT
1 stop33h 08mAmerican Airlines
Sat 6/2910:45 pmONT - DUB
1 stop22h 15mAmerican Airlines
Deal found 6/9$612
Sun 6/1612:40 pmDUB - ONT
1 stop14h 17mIberia
Sun 6/308:10 amONT - DUB
1 stop17h 35mIberia
Deal found 6/9$644
Fri 10/412:40 pmDUB - ONT
1 stop15h 22mAmerican Airlines
Fri 10/1812:45 pmONT - DUB
1 stop13h 00mAmerican Airlines
Deal found 6/9$671
Sun 10/611:00 amDUB - ONT
1 stop16h 25mKLM
Fri 10/1811:30 amONT - DUB
1 stop13h 15mKLM
Deal found 6/9$673
Fri 9/1312:40 pmDUB - ONT
1 stop19h 16mIberia
Sun 9/228:10 amONT - DUB
1 stop17h 35mIberia
Deal found 6/10$674
Wed 9/259:25 amDUB - ONT
2 stops20h 44mBritish Airways
Wed 10/912:45 pmONT - DUB
2 stops17h 55mBritish Airways
Deal found 6/10$681
Wed 9/2512:40 pmDUB - ONT
1 stop15h 22mBritish Airways
Wed 10/912:45 pmONT - DUB
2 stops17h 55mBritish Airways
Deal found 6/10$683
Wed 11/611:50 amDUB - ONT
2 stops18h 02mUnited Airlines
Fri 11/156:00 amONT - DUB
2 stops17h 00mUnited Airlines
Deal found 6/9$688
Sun 6/1612:40 pmDUB - ONT
1 stop19h 19mAmerican Airlines
Sun 6/2312:49 pmONT - DUB
1 stop12h 56mAmerican Airlines
Deal found 6/9$705

Dublin to Ontario flights leaving soon

Find last-minute flight options from Dublin to Ontario 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 3,080,152 searches. Data last updated June 10, 2024.
Have a look at some of the last-minute flights available departing from Dublin to Ontario. Users should be sure to double check the price, date, and time of their last-minute flight.
Sun 6/1612:40 pmDUB - ONT
1 stop33h 08mAmerican Airlines
Sat 6/2910:45 pmONT - DUB
1 stop22h 15mAmerican Airlines
Deal found 6/9$612
Sun 6/1612:40 pmDUB - ONT
1 stop14h 17mIberia
Sun 6/308:10 amONT - DUB
1 stop17h 35mIberia
Deal found 6/9$644
Sun 6/1612:40 pmDUB - ONT
1 stop19h 19mAmerican Airlines
Sun 6/2312:49 pmONT - DUB
1 stop12h 56mAmerican Airlines
Deal found 6/9$705
Tue 6/1812:40 pmDUB - ONT
1 stop14h 17mAmerican Airlines
Mon 7/112:49 pmONT - DUB
1 stop12h 56mAmerican Airlines
Deal found 6/9$794
Sun 6/1612:40 pmDUB - ONT
1 stop14h 17mIberia
Sun 6/3012:49 pmONT - DUB
1 stop12h 56mIberia
Deal found 6/9$798
Sun 6/1611:00 amDUB - ONT
1 stop16h 42mKLM
Thu 7/411:30 amONT - DUB
1 stop13h 15mKLM
Deal found 6/10$822
Sat 6/1511:00 amDUB - ONT
1 stop16h 42mKLM
Sat 6/2211:30 amONT - DUB
1 stop13h 15mKLM
Deal found 6/8$829
Mon 6/1712:40 pmDUB - ONT
1 stop14h 17mAmerican Airlines
Sun 6/3012:49 pmONT - DUB
1 stop12h 56mAmerican Airlines
Deal found 6/10$841
Sun 6/1612:40 pmDUB - ONT
1 stop14h 17mAmerican Airlines
Sat 6/2911:59 pmONT - DUB
1 stop25h 46mAmerican Airlines
Deal found 6/10$917

One-way flights to Ontario from Dublin

Search for one-way flight options from Dublin to Ontario. 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 3,080,152 searches. Data last updated June 10, 2024.
Some of the best available deals we've found on one-way flights from Dublin to Ontario. Users needing a return flight from Dublin to Ontario should utilize the search form above.
Mon 9/1610:45 amDUB - ONT
1 stop19h 36mJetBlue
Deal found 6/9$624
Wed 11/1312:20 pmDUB - ONT
1 stop15h 02mKLM
Deal found 6/9$632
Wed 8/1410:45 amDUB - ONT
1 stop19h 47mJetBlue
Deal found 6/9$702
Wed 8/1410:45 amDUB - ONT
1 stop19h 47mJetBlue
Deal found 6/9$703
Wed 11/139:40 amDUB - ONT
2 stops22h 27mAmerican Airlines
Deal found 6/9$741
Mon 10/2810:40 amDUB - ONT
2 stops20h 27mMultiple Airlines
Deal found 6/10$759
Tue 8/1310:45 amDUB - ONT
1 stop19h 47mJetBlue
Deal found 6/9$774
Tue 7/1610:45 amDUB - ONT
1 stop19h 53mJetBlue
Deal found 6/8$777
Mon 10/1411:30 amDUB - ONT
2 stops30h 33mMultiple Airlines
Deal found 6/8$800

Find flights from Dublin to Ontario within your budget

Customize your flight search to find flights from Dublin to Ontario 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 3,080,152 searches. Data last updated June 10, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$644 - $1,028

Route

Depart

Return

Price

DublinOntario

DUB - ONT

DUBONT

Dublin

Sat 10/5

1 stop15h 22m

Ontario

Sat 10/19

1 stop17h 04m

$644

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 10/4

1 stop15h 22m

Ontario

Fri 10/18

1 stop13h 00m

$671

DublinOntario

DUB - ONT

DUBONT

Dublin

Sun 10/6

1 stop16h 25m

Ontario

Fri 10/18

1 stop13h 15m

$673

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 9/13

1 stop19h 16m

Ontario

Sun 9/22

1 stop17h 35m

$674

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 9/25

2 stops20h 44m

Ontario

Wed 10/9

2 stops17h 55m

$681

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 9/25

1 stop15h 22m

Ontario

Wed 10/9

2 stops17h 55m

$683

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 11/6

2 stops18h 02m

Ontario

Fri 11/15

2 stops17h 00m

$688

DublinOntario

DUB - ONT

DUBONT

Dublin

Tue 6/25

1 stop19h 53m

Ontario

Sat 6/29

1 stop25h 01m

$891

DublinOntario

DUB - ONT

DUBONT

Dublin

Sun 10/27

1 stop14h 29m

Ontario

Sun 11/3

1 stop21h 15m

$1,028

Flights are sorted by cheapest first

Deals found on 6/9

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

Best time to book a flight from Dublin to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Dublin 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 Ontario by month

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

LAX

Temperature

57.2 - 73.4 °F

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated June 10, 2024.
Read reviews from past customers who have flown KLM, British Airways and American Airlines from Dublin to Ontario. 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
10,295 reviews

Overall

8.0

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.4

Entertainment

8.0

Reviews

1 / 10

This was the worst flying experience of my life. Every step of the way I was given the wrong information and/or mocked by the KLM employees. Never flying this airline again.

Delta
8.0
Very good
10,295 reviews
Delta
8.0
Very good
10,295 reviews

Overall

8.0

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.4

Entertainment

8.0

Reviews

1 / 10

This was the worst flying experience of my life. Every step of the way I was given the wrong information and/or mocked by the KLM employees. Never flying this airline again.

KLM
7.9
Good
1,473 reviews
Delta
8.0
Very good
10,295 reviews

Overall

8.0

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.4

Entertainment

8.0

Reviews

1 / 10

This was the worst flying experience of my life. Every step of the way I was given the wrong information and/or mocked by the KLM employees. Never flying this airline again.

JetBlue
7.6
Good
4,279 reviews
Delta
8.0
Very good
10,295 reviews

Overall

8.0

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.4

Entertainment

8.0

Reviews

1 / 10

This was the worst flying experience of my life. Every step of the way I was given the wrong information and/or mocked by the KLM employees. Never flying this airline again.

United Airlines
7.4
Good
10,647 reviews
Delta
8.0
Very good
10,295 reviews

Overall

8.0

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.4

Entertainment

8.0

Reviews

1 / 10

This was the worst flying experience of my life. Every step of the way I was given the wrong information and/or mocked by the KLM employees. Never flying this airline again.

American Airlines
7.3
Good
14,138 reviews
Delta
8.0
Very good
10,295 reviews

Overall

8.0

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.4

Entertainment

8.0

Reviews

1 / 10

This was the worst flying experience of my life. Every step of the way I was given the wrong information and/or mocked by the KLM employees. Never flying this airline again.

Related info for your journey

Find useful and relevant information for your journey from Dublin to Ontario. 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 Dublin to Ontario for under $700 on Cheapflights?

    Yes, there are multiple flights from Dublin to Ontario for under $700. The cheapest flight booked recently is on Multiple Airlines for just $644, but on average you can expect to pay $832.

  • Are there last-minute flights available from Dublin to Ontario for under $700?

    There are currently 13+ open flights from Dublin to Ontario within the next 7 days for less than $700.

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

    Flying on American Airlines is currently your cheapest option to Ontario, with prices starting at $671. Additional round-trip tickets that might be worth considering are offered by KLM and Iberia, with the lowest prices starting at $673 and $674, respectively.

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

    The cheapest airline one-way is JetBlue, with whom users have recently found tickets for as low as $624. However, be on the lookout for offers from KLM and American Airlines, as they are both options that can get you from Dublin to Ontario for a low price.

  • What does DUB to ONT mean?

    Dublin Airport is DUB and Ontario Airport is ONT. 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.

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

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

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

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

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

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

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

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

    Many airlines flying from Dublin to Ontario 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 Dublin to Ontario?

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

    The Dublin to Ontario flight deals you see on this page were last updated on 6/10.

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

    Currently, October is the cheapest month in which you can book a flight from Dublin to Ontario (average of $238). Flying from Dublin to Ontario in July is currently the most expensive (average of $318). 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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Search flights from Dublin to Ontario by cabin class

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