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Cheap flights from Ottawa to Ireland from C$ 320

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 13/9. 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

Logo
5:55 a.m. - 11:30 a.m.YOW-DUB
24h 35m1 stop
Logo
1:15 p.m. - 12:22 a.m.DUB-YOW
16h 07m1 stop
C$ 810
Find Deal
Sat, 13 Sep - Sat, 20 Sep
Air Canada Logo
8:55 p.m. - 7:45 a.m.YOW-DUB
29h 50m1 stop
Air Canada Logo
9:20 a.m. - 8:17 p.m.DUB-YOW
15h 57m2 stops
C$ 822Air Canada
Find Deal
Sat, 13 Sep - Sat, 20 Sep
WestJet Logo
5:55 a.m. - 10:00 a.m.YOW-DUB
23h 05m1 stop
WestJet Logo
12:00 p.m. - 12:22 a.m.DUB-YOW
17h 22m1 stop
C$ 823WestJet
Find Deal
Mon, 8 Sep - Wed, 17 Sep
WestJet Logo
5:55 a.m. - 8:35 a.m.YOW-DUB
21h 40m2 stops
WestJet Logo
12:00 p.m. - 12:22 a.m.DUB-YOW
17h 22m1 stop
C$ 828WestJet
Find Deal
Mon, 8 Sep - Wed, 17 Sep
Porter Airlines Logo
5:05 p.m. - 11:30 a.m.YOW-DUB
13h 25m1 stop
Porter Airlines Logo
1:15 p.m. - 8:35 p.m.DUB-YOW
12h 20m1 stop
C$ 854Porter Airlines
Find Deal
Wed, 24 Sep - Wed, 8 Oct
Porter Airlines Logo
2:20 p.m. - 11:30 a.m.YOW-DUB
16h 10m1 stop
Porter Airlines Logo
1:15 p.m. - 8:35 p.m.DUB-YOW
12h 20m1 stop
C$ 861Porter Airlines
Find Deal
Wed, 24 Sep - Wed, 8 Oct
Lufthansa Logo
8:55 p.m. - 7:45 a.m.YOW-DUB
29h 50m1 stop
Lufthansa Logo
9:50 a.m. - 5:04 p.m.DUB-YOW
12h 14m1 stop
C$ 926Lufthansa
Find Deal
Sat, 30 Aug - Fri, 5 Sep
Lufthansa Logo
1:55 p.m. - 8:15 a.m.YOW-DUB
13h 20m1 stop
Lufthansa Logo
9:00 a.m. - 12:19 a.m.DUB-YOW
20h 19m2 stops
C$ 928Lufthansa
Find Deal
Thu, 28 Aug - Mon, 8 Sep
Aer Lingus Logo
10:00 a.m. - 4:55 a.m.YOW-DUB
13h 55m1 stop
Aer Lingus Logo
1:15 p.m. - 9:09 p.m.DUB-YOW
12h 54m1 stop
C$ 942Aer Lingus
Find Deal
Tue, 14 Oct - Tue, 21 Oct
Aer Lingus Logo
11:55 a.m. - 4:55 a.m.YOW-DUB
12h 00m1 stop
Aer Lingus Logo
1:00 p.m. - 9:18 p.m.DUB-YOW
13h 18m1 stop
C$ 948Aer Lingus
Find Deal
Thu, 23 Oct - Mon, 10 Nov

Lufthansa flights from Ottawa to Ireland

Our best Lufthansa deals on Ottawa to Ireland flight tickets
Lufthansa
30 Aug
YOW8:55 p.m.Ottawa
29h 50m
1 stop
DUB7:45 a.m.Dublin
5 Sep
DUB9:50 a.m.Dublin
12h 14m
1 stop
YOW5:04 p.m.Ottawa
C$ 926
Find similar
Lufthansa
28 Aug
YOW1:55 p.m.Ottawa
13h 20m
1 stop
DUB8:15 a.m.Dublin
8 Sep
DUB9:00 a.m.Dublin
20h 19m
2 stops
YOW12:19 a.m.Ottawa
C$ 928
Find similar
Lufthansa
2 Oct
YOW3:55 p.m.Ottawa
11h 20m
1 stop
DUB8:15 a.m.Dublin
30 Oct
DUB10:50 a.m.Dublin
34h 47m
2 stops
YOW5:37 p.m.Ottawa
C$ 1,001
Find similar

United Airlines flights from Ottawa to Ireland

Our best United Airlines deals on Ottawa to Ireland flight tickets
United Airlines
5 Aug
YOW6:33 a.m.Ottawa
22h 47m
2 stops
DUB10:20 a.m.Dublin
12 Aug
DUB8:50 a.m.Dublin
18h 15m
2 stops
YOW10:05 p.m.Ottawa
C$ 953
Find similar
United Airlines
9 Aug
YOW6:33 a.m.Ottawa
19h 37m
2 stops
DUB7:10 a.m.Dublin
15 Aug
DUB11:35 a.m.Dublin
30h 35m
2 stops
YOW1:10 p.m.Ottawa
C$ 963
Find similar
United Airlines
29 Aug
YOW6:33 a.m.Ottawa
22h 12m
1 stop
DUB9:45 a.m.Dublin
7 Sep
DUB8:50 a.m.Dublin
18h 15m
2 stops
YOW10:05 p.m.Ottawa
C$ 1,003
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 31 July 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 13/9

5:55 a.m.-11:30 a.m.

1 stop24h 35m

Dublin

Sat 20/9

1:15 p.m.-12:22 a.m.

1 stop16h 07m

C$ 810

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Sat 13/9

8:55 p.m.-7:45 a.m.

1 stop29h 50m

Dublin

Sat 20/9

9:20 a.m.-8:17 p.m.

2 stops15h 57m

C$ 822

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Mon 8/9

5:55 a.m.-10:00 a.m.

1 stop23h 05m

Dublin

Wed 17/9

12:00 p.m.-12:22 a.m.

1 stop17h 22m

C$ 823

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Mon 8/9

5:55 a.m.-8:35 a.m.

2 stops21h 40m

Dublin

Wed 17/9

12:00 p.m.-12:22 a.m.

1 stop17h 22m

C$ 828

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Wed 24/9

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

1 stop13h 25m

Dublin

Wed 8/10

1:15 p.m.-8:35 p.m.

1 stop12h 20m

C$ 854

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Wed 24/9

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

1 stop16h 10m

Dublin

Wed 8/10

1:15 p.m.-8:35 p.m.

1 stop12h 20m

C$ 861

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Sat 30/8

8:55 p.m.-7:45 a.m.

1 stop29h 50m

Dublin

Fri 5/9

9:50 a.m.-5:04 p.m.

1 stop12h 14m

C$ 926

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Thu 28/8

1:55 p.m.-8:15 a.m.

1 stop13h 20m

Dublin

Mon 8/9

9:00 a.m.-12:19 a.m.

2 stops20h 19m

C$ 928

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Tue 14/10

10:00 a.m.-4:55 a.m.

1 stop13h 55m

Dublin

Tue 21/10

1:15 p.m.-9:09 p.m.

1 stop12h 54m

C$ 942

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Thu 23/10

11:55 a.m.-4:55 a.m.

1 stop12h 00m

Dublin

Mon 10/11

1:00 p.m.-9:18 p.m.

1 stop13h 18m

C$ 948

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 August. Flight prices, which tend to average around C$ 910, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of August, then book flights to Ireland from Ottawa during June instead. Flights to Ireland in June, while not as cheap as those in August, still average around C$ 917.

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$ 1,068. The most expensive day to fly to Ireland is Friday, with ticket prices averaging around C$ 1,156.

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$ 1,025. 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$ 1,156.

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$ 1,019 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$ 859 on momondo.

Can stopping save me money on Ottawa to Ireland flights?

You could potentially save up to 35% 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

Best price found

C$ 320

Fastest flight time

10h 00m

Direct flights

None

Airports in Ireland

1 airport
The best one-way flight to Ireland from Ottawa in the past 72 hours is C$ 320. The best round-trip flight deal from Ottawa to Ireland found on momondo in the last 72 hours is C$ 810.
The fastest flight from Ottawa to Ireland takes 10h 00m
There are no direct flights from Ottawa to Ireland. Popular non-direct route for this connection is Ottawa Airport - Dublin Airport.
There is 1 airport near Ireland: Dublin (DUB)
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$ 630Free CancellationRating
7.2
2,978 reviews
Search WestJet flights
Aer LingusPriceFrom C$ 692Free CancellationRating
7.1
1,192 reviews
Search Aer Lingus flights
Air TransatPriceFrom C$ 718Free CancellationRating
7.7
424 reviews
Search Air Transat flights
Porter AirlinesPriceFrom C$ 821Free CancellationRating
8.0
318 reviews
Search Porter Airlines flights
Air CanadaPriceFrom C$ 838Free CancellationRating
7.1
9,851 reviews
Search Air Canada flights
LufthansaPriceFrom C$ 857Free CancellationRating
6.8
7,275 reviews
Search Lufthansa flights
Air FrancePriceFrom C$ 889Free CancellationRating
7.5
1,465 reviews
Search Air France flights
United AirlinesPriceFrom C$ 927Free CancellationRating
7.4
8,900 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.
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Find better results for your trip to Ireland

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