Latest deals
Insights
FAQs
Price Alerts

Cheap flights from Ontario to Ireland from €194

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Ireland departing on 11/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
Voted the Winner of Europe's Best Travel App 2023

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 Ontario to Ireland

Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
05:55 - 07:30
ONT
-
SNN
17h 35m
2 stops
United Airlines Logo
09:30 - 22:34
SNN
-
ONT
21h 04m
2 stops
€525United Airlines
Sun, 12 Jul - Wed, 22 Jul
United Airlines Logo
07:00 - 09:45
ONT
-
DUB
18h 45m
1 stop
United Airlines Logo
09:50 - 22:26
DUB
-
ONT
44h 36m
2 stops
€535United Airlines
Wed, 1 Apr - Wed, 8 Apr
Air Canada Logo
06:00 - 08:15
ONT
-
DUB
18h 15m
2 stops
Air Canada Logo
09:50 - 12:20
DUB
-
ONT
34h 30m
2 stops
€542Air Canada
Tue, 14 Apr - Wed, 22 Apr
United Airlines Logo
23:59 - 08:10
ONT
-
DUB
25h 11m
1 stop
United Airlines Logo
11:35 - 22:26
DUB
-
ONT
18h 51m
1 stop
€550United Airlines
Mon, 23 Mar - Tue, 31 Mar
Multiple Airlines Logo
14:39 - 18:00
ONT
-
DUB
19h 21m
2 stops
Multiple Airlines Logo
09:50 - 23:46
DUB
-
ONT
21h 56m
2 stops
€551Multiple Airlines
Wed, 1 Apr - Wed, 8 Apr
United Airlines Logo
07:00 - 07:45
ONT
-
DUB
16h 45m
2 stops
United Airlines Logo
09:50 - 22:26
DUB
-
ONT
20h 36m
2 stops
€553United Airlines
Mon, 17 Aug - Thu, 27 Aug
Air France Logo
22:25 - 07:45
ONT
-
DUB
26h 20m
1 stop
Air France Logo
11:00 - 21:00
DUB
-
ONT
18h 00m
1 stop
€554Air France
Mon, 16 Mar - Wed, 1 Apr
Air Canada Logo
05:10 - 08:15
ONT
-
DUB
19h 05m
2 stops
Air Canada Logo
09:50 - 20:36
DUB
-
ONT
18h 46m
2 stops
€556Air Canada
Mon, 30 Mar - Wed, 8 Apr
Delta Logo
13:20 - 12:40
ONT
-
DUB
16h 20m
2 stops
Delta Logo
05:55 - 17:13
DUB
-
ONT
18h 18m
2 stops
€560Delta
Mon, 9 Mar - Wed, 18 Mar
Multiple Airlines Logo
23:59 - 06:00
ONT
-
SNN
22h 01m
1 stop
Multiple Airlines Logo
14:30 - 22:40
SNN
-
ONT
16h 10m
1 stop
€594Multiple Airlines
Mon, 17 Aug - Thu, 27 Aug

Air Canada flights from Ontario to Ireland

Our best Air Canada deals on Ontario to Ireland flight tickets
Air Canada
14 Apr
ONT06:00Ontario
18h 15m
2 stops
DUB08:15Dublin
22 Apr
DUB09:50Dublin
34h 30m
2 stops
ONT12:20Ontario
€542
Air Canada
30 Mar
ONT05:10Ontario
19h 05m
2 stops
DUB08:15Dublin
8 Apr
DUB09:50Dublin
18h 46m
2 stops
ONT20:36Ontario
€556
Air Canada
5 May
ONT06:00Ontario
17h 45m
2 stops
DUB07:45Dublin
15 May
DUB09:50Dublin
34h 32m
2 stops
ONT12:22Ontario
€595

Iberia flights from Ontario to Ireland

Our best Iberia deals on Ontario to Ireland flight tickets
Iberia
21 Apr
ONT10:59Ontario
14h 46m
1 stop
DUB09:45Dublin
28 Apr
DUB09:30Dublin
19h 24m
1 stop
ONT20:54Ontario
€607
Iberia
19 Feb
ONT06:00Ontario
18h 55m
2 stops
DUB08:55Dublin
21 Feb
DUB09:40Dublin
36h 09m
2 stops
ONT13:49Ontario
€2,325
Iberia
19 Feb
ONT06:00Ontario
18h 55m
2 stops
DUB08:55Dublin
21 Feb
DUB09:40Dublin
36h 09m
2 stops
ONT13:49Ontario
€2,938

momondo Fare Finder

 
Customise 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, momondo users made 13,528 searches. Data last updated 18 February 2026.
Use the filters below to find and compare flights from Ontario to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Sun 12/7

05:55-07:30

2 stops17h 35m

Shannon

Wed 22/7

09:30-22:34

2 stops21h 04m

€525

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Wed 1/4

07:00-09:45

1 stop18h 45m

Dublin

Wed 8/4

09:50-22:26

2 stops44h 36m

€535

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Tue 14/4

06:00-08:15

2 stops18h 15m

Dublin

Wed 22/4

09:50-12:20

2 stops34h 30m

€542

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Mon 23/3

23:59-08:10

1 stop25h 11m

Dublin

Tue 31/3

11:35-22:26

1 stop18h 51m

€550

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Wed 1/4

14:39-18:00

2 stops19h 21m

Dublin

Wed 8/4

09:50-23:46

2 stops21h 56m

€551

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Mon 17/8

07:00-07:45

2 stops16h 45m

Dublin

Thu 27/8

09:50-22:26

2 stops20h 36m

€553

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Mon 16/3

22:25-07:45

1 stop26h 20m

Dublin

Wed 1/4

11:00-21:00

1 stop18h 00m

€554

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Mon 30/3

05:10-08:15

2 stops19h 05m

Dublin

Wed 8/4

09:50-20:36

2 stops18h 46m

€556

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Mon 9/3

13:20-12:40

2 stops16h 20m

Dublin

Wed 18/3

05:55-17:13

2 stops18h 18m

€560

OntarioShannon

ONT - SNN

ONTSNN

Ontario

Mon 17/8

23:59-06:00

1 stop22h 01m

Shannon

Thu 27/8

14:30-22:40

1 stop16h 10m

€594

Flights are sorted by cheapest return flights first.

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

See travel insights to Ireland from

How to get the cheapest flight ticket from Ontario to Ireland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Ontario to Ireland?

United Airlines, Lufthansa, and JetBlue are the most popular carriers operating from Ontario to Ireland

Cheap Ontario to Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Ireland

Fastest flight time

12h 45m

Direct flights

None
The fastest flight from Ontario to Ireland takes 12h 45m
There are no direct flights from Ontario to Ireland. There are no popular flight routes from Ontario to Ireland.
Search flight deals

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

    Prices for flights from Ontario Airport to Ireland refresh daily.

  • How old do you have to be to fly from Ontario Airport to Ireland?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ontario Airport to Ireland.

  • What documentation or ID do you need to fly to Ireland?

    The required travel and health documents for your Ireland trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Ireland. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to Ireland. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Ontario to Ireland flights to just show those with flexible booking policies.

How can momondo help me find flights from Ontario to Ireland?

momondo provides multiple filters to help you find the best flight to Ireland from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Ontario to Ireland flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Ireland 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
Fri 20/3
Fri 27/3
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ireland

Popular Cities in Ireland

Popular flights according to clicks in the last 7 days on momondo
Flights to Dublinfrom €38
Flights to Corkfrom €84
Flights to Shannon, Clarefrom €96
Flights to Donegalfrom €73
Flights to Milltown (Kerry)from €37