HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$413+ Cheap flights from Dublin (DUB) to Ontario (ONT)

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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — ONT
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dublin to Ontario with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 November 21, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$598
(United Airlines)

One-way from

$413
(Kiwi.com)
Provider with most accurate pricing for Dublin-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for Dublin-Ontario flights.
Search Deals
From Dublin to Ontario
Search Deals
One-way flight from Dublin to Ontario
Search Deals

Find flight deals from Dublin to Ontario

Cheapest flights from Dublin to Ontario
Explore the most affordable flight options available from Dublin to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

This United Airlines deal was found by Cheapflights users on 11/20. 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 12/79:00 amDUB - ONT
2 stops19h 47mUnited Airlines
Wed 12/113:20 pmONT - DUB
2 stops31h 40mUnited Airlines
Deal found 11/20$598
This Aer Lingus deal was found by Cheapflights users on 11/20. 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 Aer Lingus is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/412:30 pmDUB - ONT
1 stop19h 28mMultiple Airlines
Wed 12/111:53 pmONT - DUB
1 stop15h 17mMultiple Airlines
Deal found 11/20$829
This KLM deal was found by Cheapflights users on 11/20. 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.
Wed 11/2011:30 amDUB - ONT
2 stops19h 31mKLM
Sun 11/247:10 amONT - DUB
1 stop17h 15mKLM
Deal found 11/20$854

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 2,629,791 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DublinOntario

DUB - ONT

DUBONT

Dublin

Sat 12/7

9:00 am-8:47 pm

2 stops19h 47m

Ontario

Wed 12/11

3:20 pm-7:00 am

2 stops31h 40m

$598

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 4/17

12:40 pm-8:03 pm

1 stop15h 23m

Ontario

Sun 4/20

10:58 am-9:45 am

1 stop14h 47m

$669

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 12/4

12:30 pm-11:58 pm

1 stop19h 28m

Ontario

Wed 12/11

1:53 pm-1:10 pm

1 stop15h 17m

$829

DublinOntario

DUB - ONT

DUBONT

Dublin

Sat 12/7

11:30 am-11:41 pm

2 stops20h 11m

Ontario

Wed 12/11

10:00 pm-8:25 am

1 stop26h 25m

$933

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 1/10

6:40 am-6:37 pm

2 stops19h 57m

Ontario

Mon 2/10

2:44 pm-3:40 pm

2 stops16h 56m

$1,024

DublinOntario

DUB - ONT

DUBONT

Dublin

Sat 4/5

11:05 am-11:42 pm

2 stops20h 37m

Ontario

Sat 5/31

10:54 am-9:45 am

1 stop14h 51m

$3,262

DublinOntario

DUB - ONT

DUBONT

Dublin

Mon 12/9

7:45 am-11:44 am

3 stops59h 59m

$413

DublinOntario

DUB - ONT

DUBONT

Dublin

Mon 4/21

11:00 am-10:41 pm

1 stop19h 41m

$668

DublinOntario

DUB - ONT

DUBONT

Dublin

Sun 1/12

6:50 pm-10:16 pm

2 stops35h 26m

$757

DublinOntario

DUB - ONT

DUBONT

Dublin

Sat 11/30

10:45 am-10:02 pm

2 stops19h 17m

$931

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/21

Showing 1-10 of 13 results
1
2

Compare providers for flights from Dublin to Ontario

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dublin to Ontario in November.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Dublin-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Dublin-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Dublin-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Dublin-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Dublin-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Travel insights for flights from Dublin to Ontario

Get recent, data-driven insights about flights from Dublin to Ontario including ideal travel times, pricing trends, and more.

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

Currently, September is the cheapest month in which you can book a flight from Dublin to Ontario (average of $236). Flying from Dublin to Ontario in December is currently the most expensive (average of $298). 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.

Rainfall in Ontario by month

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

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

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

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 November 21, 2024.
Read reviews from past customers who have flown United Airlines and KLM 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.
KLM
7.8
Good
1,350 reviews

Boarding

7.9

Comfort

7.7

Crew

8.4

Entertainment

7.2

Overall

7.8

Food

7.3

Reviews

1 / 10

Flight performed by El Al. The aircraft was dirty. Gum in front pcket. Poorly maintained.

KLM
7.8
Good
1,350 reviews
KLM
7.8
Good
1,350 reviews

Boarding

7.9

Comfort

7.7

Crew

8.4

Entertainment

7.2

Overall

7.8

Food

7.3

Reviews

1 / 10

Flight performed by El Al. The aircraft was dirty. Gum in front pcket. Poorly maintained.

Air France
7.4
Good
1,525 reviews
KLM
7.8
Good
1,350 reviews

Boarding

7.9

Comfort

7.7

Crew

8.4

Entertainment

7.2

Overall

7.8

Food

7.3

Reviews

1 / 10

Flight performed by El Al. The aircraft was dirty. Gum in front pcket. Poorly maintained.

United Airlines
7.4
Good
9,173 reviews
KLM
7.8
Good
1,350 reviews

Boarding

7.9

Comfort

7.7

Crew

8.4

Entertainment

7.2

Overall

7.8

Food

7.3

Reviews

1 / 10

Flight performed by El Al. The aircraft was dirty. Gum in front pcket. Poorly maintained.

American Airlines
7.2
Good
10,000 reviews
KLM
7.8
Good
1,350 reviews

Boarding

7.9

Comfort

7.7

Crew

8.4

Entertainment

7.2

Overall

7.8

Food

7.3

Reviews

1 / 10

Flight performed by El Al. The aircraft was dirty. Gum in front pcket. Poorly maintained.

Iberia
7.0
Good
2,664 reviews
KLM
7.8
Good
1,350 reviews

Boarding

7.9

Comfort

7.7

Crew

8.4

Entertainment

7.2

Overall

7.8

Food

7.3

Reviews

1 / 10

Flight performed by El Al. The aircraft was dirty. Gum in front pcket. Poorly maintained.

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.

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

    Flying on United Airlines is currently your cheapest option to Ontario, with prices starting at $598. Additional round-trip tickets that might be worth considering are offered by American Airlines and KLM, with the lowest prices starting at $669 and $933, respectively.

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

    The cheapest airline one-way is KLM, with whom users have recently found tickets for as low as $668. However, be on the lookout for offers from Iberia and American Airlines, as they are both options that can get you from Dublin to Ontario for a low price.

  • 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.

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

    Currently, September is the cheapest month in which you can book a flight from Dublin to Ontario (average of $236). Flying from Dublin to Ontario in December is currently the most expensive (average of $298). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines