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Cheap flights from Ottawa to Ireland from C$ 440

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ottawa to Ireland departing on 1/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Ottawa to Ireland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Transat Logo
2:20 p.m. - 11:30 a.m.
YOW
-
DUB
16h 10m1 stop
Air Transat Logo
1:15 p.m. - 12:21 a.m.
DUB
-
YOW
16h 06m1 stop
C$ 643Air Transat
Sat, 16 May - Sun, 24 May
Porter Airlines Logo
5:05 p.m. - 11:30 a.m.
YOW
-
DUB
13h 25m1 stop
Porter Airlines Logo
1:15 p.m. - 12:21 a.m.
DUB
-
YOW
16h 06m1 stop
C$ 645Porter Airlines
Thu, 7 May - Mon, 25 May
WestJet Logo
5:40 a.m. - 10:00 a.m.
YOW
-
DUB
23h 20m1 stop
WestJet Logo
11:30 a.m. - 12:39 a.m.
DUB
-
YOW
18h 09m1 stop
C$ 649WestJet
Mon, 6 Apr - Mon, 13 Apr
Air Transat Logo
11:20 a.m. - 11:30 a.m.
YOW
-
DUB
19h 10m1 stop
Air Transat Logo
1:15 p.m. - 12:21 a.m.
DUB
-
YOW
16h 06m1 stop
C$ 654Air Transat
Tue, 26 May - Tue, 9 Jun
Air Transat Logo
5:05 p.m. - 11:30 a.m.
YOW
-
DUB
13h 25m1 stop
Air Transat Logo
1:15 p.m. - 8:05 a.m.
DUB
-
YOW
23h 50m1 stop
C$ 656Air Transat
Sat, 2 May - Sat, 23 May
Porter Airlines Logo
11:20 a.m. - 11:30 a.m.
YOW
-
DUB
19h 10m1 stop
Porter Airlines Logo
1:15 p.m. - 8:05 a.m.
DUB
-
YOW
23h 50m1 stop
C$ 715Porter Airlines
Sun, 24 May - Wed, 27 May
WestJet Logo
5:40 a.m. - 9:00 a.m.
YOW
-
DUB
23h 20m1 stop
WestJet Logo
11:00 a.m. - 12:39 a.m.
DUB
-
YOW
17h 39m1 stop
C$ 737WestJet
Fri, 13 Mar - Sat, 21 Mar
Porter Airlines Logo
5:25 p.m. - 11:30 a.m.
YOW
-
DUB
13h 05m1 stop
Porter Airlines Logo
1:15 p.m. - 8:05 a.m.
DUB
-
YOW
23h 50m1 stop
C$ 750Porter Airlines
Tue, 5 May - Fri, 22 May
Air Canada Logo
9:55 p.m. - 4:45 p.m.
YOW
-
SNN
13h 50m1 stop
Air Canada Logo
5:30 p.m. - 9:41 a.m.
SNN
-
YOW
45h 11m2 stops
C$ 1,444Air Canada
Sun, 8 Feb - Wed, 11 Feb
Air Canada Logo
9:15 a.m. - 11:30 a.m.
YOW
-
SNN
21h 15m2 stops
Air Canada Logo
7:50 a.m. - 3:30 p.m.
SNN
-
YOW
11h 40m1 stop
C$ 1,449Air Canada
Sat, 7 Mar - Wed, 11 Mar

Air Transat flights from Ottawa to Ireland

Our best Air Transat deals on Ottawa to Ireland flight tickets
Air Transat
3 May
YOW5:05 p.m.Ottawa
13h 25m
1 stop
DUB11:30 a.m.Dublin
23 May
DUB1:15 p.m.Dublin
16h 06m
1 stop
YOW12:21 a.m.Ottawa
C$ 643
Find similar
Air Transat
7 May
YOW7:00 a.m.Ottawa
23h 30m
1 stop
DUB11:30 a.m.Dublin
25 May
DUB1:15 p.m.Dublin
23h 50m
1 stop
YOW8:05 a.m.Ottawa
C$ 645
Find similar
Air Transat
2 May
YOW5:05 p.m.Ottawa
13h 25m
1 stop
DUB11:30 a.m.Dublin
23 May
DUB1:15 p.m.Dublin
23h 50m
1 stop
YOW8:05 a.m.Ottawa
C$ 656
Find similar

WestJet flights from Ottawa to Ireland

Our best WestJet deals on Ottawa to Ireland flight tickets
WestJet
6 Apr
YOW5:40 a.m.Ottawa
23h 20m
1 stop
DUB10:00 a.m.Dublin
13 Apr
DUB11:30 a.m.Dublin
18h 09m
1 stop
YOW12:39 a.m.Ottawa
C$ 649
Find similar
WestJet
13 Mar
YOW5:40 a.m.Ottawa
23h 20m
1 stop
DUB9:00 a.m.Dublin
21 Mar
DUB11:00 a.m.Dublin
17h 39m
1 stop
YOW12:39 a.m.Ottawa
C$ 737
Find similar
WestJet
13 Mar
YOW5:40 a.m.Ottawa
23h 20m
1 stop
DUB9:00 a.m.Dublin
21 Mar
DUB11:00 a.m.Dublin
17h 39m
1 stop
YOW12:39 a.m.Ottawa
C$ 832
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Ottawa 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 96,600 searches. Data last updated 18 December 2025.
Use the filters below to find and compare flights from Ottawa to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Sat 16/5

2:20 p.m.-11:30 a.m.

1 stop16h 10m

Dublin

Sun 24/5

1:15 p.m.-12:21 a.m.

1 stop16h 06m

C$ 643

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Thu 7/5

5:05 p.m.-11:30 a.m.

1 stop13h 25m

Dublin

Mon 25/5

1:15 p.m.-12:21 a.m.

1 stop16h 06m

C$ 645

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Mon 6/4

5:40 a.m.-10:00 a.m.

1 stop23h 20m

Dublin

Mon 13/4

11:30 a.m.-12:39 a.m.

1 stop18h 09m

C$ 649

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Tue 26/5

11:20 a.m.-11:30 a.m.

1 stop19h 10m

Dublin

Tue 9/6

1:15 p.m.-12:21 a.m.

1 stop16h 06m

C$ 654

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Sat 2/5

5:05 p.m.-11:30 a.m.

1 stop13h 25m

Dublin

Sat 23/5

1:15 p.m.-8:05 a.m.

1 stop23h 50m

C$ 656

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Sun 24/5

11:20 a.m.-11:30 a.m.

1 stop19h 10m

Dublin

Wed 27/5

1:15 p.m.-8:05 a.m.

1 stop23h 50m

C$ 715

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Fri 13/3

5:40 a.m.-9:00 a.m.

1 stop23h 20m

Dublin

Sat 21/3

11:00 a.m.-12:39 a.m.

1 stop17h 39m

C$ 737

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Tue 5/5

5:25 p.m.-11:30 a.m.

1 stop13h 05m

Dublin

Fri 22/5

1:15 p.m.-8:05 a.m.

1 stop23h 50m

C$ 750

OttawaShannon

YOW - SNN

YOWSNN

Ottawa

Sun 8/2

9:55 p.m.-4:45 p.m.

1 stop13h 50m

Shannon

Wed 11/2

5:30 p.m.-9:41 a.m.

2 stops45h 11m

C$ 1,444

OttawaShannon

YOW - SNN

YOWSNN

Ottawa

Sat 7/3

9:15 a.m.-11:30 a.m.

2 stops21h 15m

Shannon

Wed 11/3

7:50 a.m.-3:30 p.m.

1 stop11h 40m

C$ 1,449

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Ireland from

How to get the cheapest flight ticket from Ottawa 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 month to fly to Ireland?

The cheapest month to fly to Ireland from Ottawa is in September. Flight prices, which tend to average around C$ 900, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of September, then book flights to Ireland from Ottawa during July instead. Flights to Ireland in July, while not as cheap as those in September, still average around C$ 907.

What is the cheapest day to depart on your flight to Ireland?

The cheapest day to depart from Ottawa to Ireland is on a Monday when prices can be found for as low as C$ 1,067. The most expensive day to fly to Ireland is Friday, with ticket prices averaging around C$ 1,154.

What is the cheapest time of day to depart on your flight to Ireland?

In the evening is the cheapest time of day to fly from Ottawa to Ireland when you can find flight prices for as low as C$ 1,024. Flying to Ireland in the evening is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Ireland is in the morning when prices are around C$ 1,154.

How far in advance should I book a flight to Ireland?

You are more likely to see cheaper flights to Ireland from Ottawa when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around C$ 987 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from Ottawa for as low as C$ 867 on momondo.

Can stopping save me money on Ottawa to Ireland flights?

You could potentially save up to 1% on your flight if you consider stops on a Ottawa to Ireland flight.

Cheap Ottawa to Ireland flight deals and tips

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

Fastest flight time

13h 25m

Direct flights

None
The fastest flight from Ottawa to Ireland takes 13h 25m
There are no direct flights from Ottawa to Ireland. There are no popular flight routes from Ottawa to Ireland.
Search flight deals

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

    Prices for flights from Ottawa Airport to Ireland refresh daily.

  • How many operators does momondo search for flights from Ottawa Airport to Ireland?

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ottawa Airport to Ireland.

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

    The travel and health documents you'll need for your trip to Ireland may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ireland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Ottawa to Ireland

Compare and see reviews for airlines that fly from Ottawa to Ireland with momondo
Airline
Rating
Free Cancellation
Price
WestJetPriceFrom C$ 631Free CancellationRating
7.2
3,204 reviews
Search WestJet flights
Air TransatPriceFrom C$ 637Free CancellationRating
7.8
483 reviews
Search Air Transat flights
Porter AirlinesPriceFrom C$ 641Free CancellationRating
8.0
399 reviews
Search Porter Airlines flights
Aer LingusPriceFrom C$ 764Free CancellationRating
7.2
1,399 reviews
Search Aer Lingus flights
Air CanadaPriceFrom C$ 836Free CancellationRating
7.1
10,534 reviews
Search Air Canada flights
LufthansaPriceFrom C$ 855Free CancellationRating
6.8
7,635 reviews
Search Lufthansa flights
Air FrancePriceFrom C$ 878Free CancellationRating
7.4
1,507 reviews
Search Air France flights
United AirlinesPriceFrom C$ 926Free CancellationRating
7.4
9,093 reviews
Search United Airlines flights

Why use momondo?

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

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

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

Yes. momondo enables you to select and highlight flights to Ireland from Ottawa with this policy.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ottawa to Ireland.

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

Price alerts on flights to Ireland from Ottawa are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Ireland trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
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Find better results for your trip to Ireland

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Popular flights according to clicks in the last 7 days on momondo
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