Latest deals
Insights
When to book
FAQs
Price Alerts
Flights to Ontario

€554 Cheap flights to Ontario

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Ireland to Ontario

Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
08:50 - 22:45DUB  Dublin-ONT Ontario
21h 55m2 stops London Heathrow Dallas/Fort Worth
British Airways Logo
07:00 - 09:55ONT  Ontario-DUB Dublin
18h 55m2 stops Dallas/Fort Worth London Heathrow
€554British Airways
Thu, 21 Jan - Mon, 25 Jan
British Airways Logo
08:50 - 22:45DUB  Dublin-ONT Ontario
21h 55m2 stops London Heathrow Dallas/Fort Worth
British Airways Logo
07:00 - 09:55ONT  Ontario-DUB Dublin
18h 55m2 stops Dallas/Fort Worth London Heathrow
€556British Airways
Thu, 21 Jan - Mon, 25 Jan
British Airways Logo
20:40 - 18:52DUB  Dublin-ONT Ontario
30h 12m2 stops London Heathrow Dallas/Fort Worth
British Airways Logo
12:43 - 15:25ONT  Ontario-DUB Dublin
18h 42m2 stops Dallas/Fort Worth London Heathrow
€558British Airways
Thu, 21 Jan - Mon, 25 Jan
American Airlines Logo
12:55 - 21:32DUB  Dublin-ONT Ontario
16h 37m1 stop Dallas/Fort Worth
American Airlines Logo
10:30 - 07:10ONT  Ontario-DUB Dublin
12h 40m1 stop Dallas/Fort Worth
€565American Airlines
Thu, 5 Nov - Wed, 18 Nov
Iberia Logo
12:55 - 21:11DUB  Dublin-ONT Ontario
15h 16m1 stop Dallas/Fort Worth
Iberia Logo
06:00 - 07:10ONT  Ontario-DUB Dublin
17h 10m1 stop Dallas/Fort Worth
€587Iberia
Mon, 26 Oct - Sun, 8 Nov
Iberia Logo
12:55 - 21:11DUB  Dublin-ONT Ontario
15h 16m1 stop Dallas/Fort Worth
Iberia Logo
07:00 - 07:10ONT  Ontario-DUB Dublin
16h 10m1 stop Dallas/Fort Worth
€591Iberia
Fri, 30 Oct - Sat, 7 Nov
American Airlines Logo
12:40 - 18:44DUB  Dublin-ONT Ontario
14h 04m1 stop Dallas/Fort Worth
American Airlines Logo
07:00 - 07:10ONT  Ontario-DUB Dublin
16h 10m1 stop Dallas/Fort Worth
€591American Airlines
Thu, 22 Oct - Fri, 6 Nov
American Airlines Logo
11:45 - 22:59DUB  Dublin-ONT Ontario
19h 14m1 stop Charlotte Douglas
American Airlines Logo
10:30 - 07:10ONT  Ontario-DUB Dublin
12h 40m1 stop Dallas/Fort Worth
€593American Airlines
Mon, 19 Oct - Wed, 4 Nov
American Airlines Logo
12:40 - 18:44DUB  Dublin-ONT Ontario
14h 04m1 stop Dallas/Fort Worth
American Airlines Logo
07:00 - 07:10ONT  Ontario-DUB Dublin
16h 10m1 stop Dallas/Fort Worth
€595American Airlines
Thu, 22 Oct - Wed, 4 Nov
Multiple Airlines Logo
11:45 - 22:59DUB  Dublin-ONT Ontario
19h 14m1 stop Charlotte Douglas
Multiple Airlines Logo
12:43 - 09:45ONT  Ontario-DUB Dublin
13h 02m1 stop Dallas/Fort Worth
€602Multiple Airlines
Mon, 12 Oct - Mon, 19 Oct

momondo Fare Finder

 
Use the filters below to find and compare flights to Ontario that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 21/1

08:50-22:45

2 stops21h 55m

Ontario

Mon 25/1

07:00-09:55

2 stops18h 55m

€554

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 21/1

08:50-22:45

2 stops21h 55m

Ontario

Mon 25/1

07:00-09:55

2 stops18h 55m

€556

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 21/1

20:40-18:52

2 stops30h 12m

Ontario

Mon 25/1

12:43-15:25

2 stops18h 42m

€558
Fastest return journey

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 5/11

12:55-21:32

1 stop16h 37m

Ontario

Wed 18/11

10:30-07:10

1 stop12h 40m

€565

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Mon 26/10

12:55-21:11

1 stop15h 16m

Ontario

Sun 8/11

06:00-07:10

1 stop17h 10m

€587

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Fri 30/10

12:55-21:11

1 stop15h 16m

Ontario

Sat 7/11

07:00-07:10

1 stop16h 10m

€591

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 22/10

12:40-18:44

1 stop14h 04m

Ontario

Fri 6/11

07:00-07:10

1 stop16h 10m

€591

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Mon 19/10

11:45-22:59

1 stop19h 14m

Ontario

Wed 4/11

10:30-07:10

1 stop12h 40m

€593

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 22/10

12:40-18:44

1 stop14h 04m

Ontario

Wed 4/11

07:00-07:10

1 stop16h 10m

€595

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Mon 12/10

11:45-22:59

1 stop19h 14m

Ontario

Mon 19/10

12:43-09:45

1 stop13h 02m

€602

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Ontario from

Ontario flights insights and trends

Explore insights for your Ontario flight to craft the best travel plan

How long does it take to fly to Ontario?

Flight times vary depending on what airport in Ireland you fly out of and what airport in Ontario you fly into. For example, flying from Dublin to Los Angeles Los Angeles takes 11h on average. On the other hand, flying from Cork to Los Angeles Los Angeles takes 13h 35m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo to see if there are any available for your route.

Cheapest flights to Ontario

Find the cheapest flights to Ontario from your nearest city or airport

Cheap Ontario flight deals and tips

Summary info about Ontario flight prices, duration and airlines

Best One-Way Price

€617

Best Round-Trip Price

€554

Fastest flight time

18h 36m
The best one-way flight price to Ontario from Ireland in the last 5 days is €617 (Dublin to Ontario).
Search Deals
The best return flight price to Ontario from Ireland in the last 5 days is €554 (Dublin to Ontario).
Search Deals
The fastest flight to Ontario from Ireland takes 18h 36m (Dublin to Ontario).
Search Deals

Frequently asked questions about flying to Ontario

Is there an alternative airport near Ontario?

Finding an alternative and possibly cheaper destination airport near Ontario is possible. If you are planning a flight to Ontario, consider booking flights to Ontario Airport (5 km from Ontario city centre), San Bernardino Int Airport (38 km from Ontario city centre), Santa Ana J. Wayne/Orange Cnty Airport (47 km from Ontario city centre), Long Beach Municipal Airport (54 km from Ontario city centre) or Burbank Bob Hope Airport (67 km from Ontario city centre).

Is there a cheaper alternative to flying into Ontario?

Burbank Bob Hope Airport has an average price of €329 per person and is typically the cheapest airport to fly into when visiting Ontario. This average price does vary based on departure city. Try momondo’s Airport-to-Airport Pricing Tool to find the cheapest flight.

When did momondo last update prices for flights to Ontario Airport?

Prices for flights to Ontario Airport are refreshed on a daily basis.

How old do you have to be to fly to Ontario Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The travel and health documents required for your trip to Ontario Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal to Ontario?

Finding the right flight to Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. These options can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ontario quick and easy, saving you time and money.

Can I find flights to Ontario with flexible booking policies on momondo?

momondo does allow users to show only those flights to Ontario which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights to Ontario?

Once you have performed a search for flights to Ontario, momondo helps you find the right flight by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight to Ontario right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Ontario. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Ontario trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 30/9
Wed 7/10
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ontario

Popular Flights to Ontario

Dublin to Ontario Flightsfrom €642
Cork to Ontario Flightsfrom €818