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Cheap flights from Ireland to Ottawa from €340

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to Ottawa departing on 15/12. 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

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Find the cheapest flights from Ireland to Ottawa

Recent return flight deals from Ireland to Ottawa

Enter your travel dates to find the best prices.
Air Transat Logo
13:15 - 10:21DUB-YOW
26h 06m1 stop
Air Transat Logo
17:05 - 11:30YOW-DUB
13h 25m1 stop
€464Air Transat
Find Deal
Wed, 6 May - Sun, 10 May
Air Transat Logo
13:15 - 20:01DUB-YOW
11h 46m1 stop
Air Transat Logo
11:20 - 11:30YOW-DUB
19h 10m1 stop
€465Air Transat
Find Deal
Wed, 6 May - Sun, 10 May
Lufthansa Logo
05:10 - 14:07DUB-YOW
13h 57m2 stops
Lufthansa Logo
12:05 - 07:10YOW-DUB
14h 05m1 stop
€486Lufthansa
Find Deal
Wed, 3 Dec - Sun, 7 Dec
Lufthansa Logo
05:00 - 14:07DUB-YOW
14h 07m2 stops
Lufthansa Logo
12:05 - 07:10YOW-DUB
14h 05m1 stop
€488Lufthansa
Find Deal
Thu, 27 Nov - Sun, 30 Nov
Multiple Airlines Logo
05:00 - 14:07DUB-YOW
14h 07m2 stops
Multiple Airlines Logo
20:25 - 07:10YOW-DUB
29h 45m1 stop
€496Multiple Airlines
Find Deal
Thu, 27 Nov - Mon, 1 Dec
Multiple Airlines Logo
05:10 - 16:23DUB-YOW
16h 13m2 stops
Multiple Airlines Logo
06:00 - 07:10YOW-DUB
20h 10m1 stop
€498Multiple Airlines
Find Deal
Fri, 20 Feb - Thu, 5 Mar
Air Canada Logo
09:00 - 15:23DUB-YOW
11h 23m1 stop
Air Canada Logo
14:05 - 07:10YOW-DUB
12h 05m1 stop
€509Air Canada
Find Deal
Wed, 3 Dec - Sun, 7 Dec
Air Canada Logo
09:00 - 17:18DUB-YOW
13h 18m1 stop
Air Canada Logo
12:05 - 07:10YOW-DUB
14h 05m1 stop
€511Air Canada
Find Deal
Fri, 21 Nov - Thu, 4 Dec
United Airlines Logo
13:35 - 23:54DUB-YOW
15h 19m2 stops
United Airlines Logo
19:27 - 10:20YOW-DUB
9h 53m1 stop
€570United Airlines
Find Deal
Thu, 18 Dec - Wed, 31 Dec
United Airlines Logo
09:30 - 21:18DUB-YOW
16h 48m2 stops
United Airlines Logo
14:15 - 09:55YOW-DUB
14h 40m2 stops
€571United Airlines
Find Deal
Mon, 15 Dec - Tue, 30 Dec

Air Canada flights from Ireland to Ottawa

Our best Air Canada deals on Ireland to Ottawa flight tickets
Air Canada
17 Nov
DUB09:00Dublin
15h 18m
1 stop
YOW19:18Ottawa
2 Dec
YOW16:15Ottawa
9h 55m
1 stop
DUB07:10Dublin
€508
Find similar
Air Canada
3 Dec
DUB09:00Dublin
11h 23m
1 stop
YOW15:23Ottawa
7 Dec
YOW14:05Ottawa
12h 05m
1 stop
DUB07:10Dublin
€509
Find similar
Air Canada
21 Nov
DUB09:00Dublin
13h 18m
1 stop
YOW17:18Ottawa
4 Dec
YOW12:05Ottawa
14h 05m
1 stop
DUB07:10Dublin
€511
Find similar

Lufthansa flights from Ireland to Ottawa

Our best Lufthansa deals on Ireland to Ottawa flight tickets
Lufthansa
3 Dec
DUB05:10Dublin
13h 57m
2 stops
YOW14:07Ottawa
7 Dec
YOW12:05Ottawa
14h 05m
1 stop
DUB07:10Dublin
€486
Find similar
Lufthansa
27 Nov
DUB05:00Dublin
14h 07m
2 stops
YOW14:07Ottawa
30 Nov
YOW12:05Ottawa
14h 05m
1 stop
DUB07:10Dublin
€488
Find similar
Lufthansa
7 Dec
DUB09:00Dublin
14h 38m
1 stop
YOW18:38Ottawa
14 Dec
YOW12:05Ottawa
14h 05m
1 stop
DUB07:10Dublin
€508
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Ireland to Ottawa 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 11 November 2025.
Use the filters below to find and compare flights from Ireland to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Wed 6/5

13:15-10:21

1 stop26h 06m

Ottawa

Sun 10/5

17:05-11:30

1 stop13h 25m

€464

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Wed 6/5

13:15-20:01

1 stop11h 46m

Ottawa

Sun 10/5

11:20-11:30

1 stop19h 10m

€465

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Wed 3/12

05:10-14:07

2 stops13h 57m

Ottawa

Sun 7/12

12:05-07:10

1 stop14h 05m

€486

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Thu 27/11

05:00-14:07

2 stops14h 07m

Ottawa

Sun 30/11

12:05-07:10

1 stop14h 05m

€488

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Thu 27/11

05:00-14:07

2 stops14h 07m

Ottawa

Mon 1/12

20:25-07:10

1 stop29h 45m

€496

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Fri 20/2

05:10-16:23

2 stops16h 13m

Ottawa

Thu 5/3

06:00-07:10

1 stop20h 10m

€498

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Wed 3/12

09:00-15:23

1 stop11h 23m

Ottawa

Sun 7/12

14:05-07:10

1 stop12h 05m

€509

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Fri 21/11

09:00-17:18

1 stop13h 18m

Ottawa

Thu 4/12

12:05-07:10

1 stop14h 05m

€511

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Thu 18/12

13:35-23:54

2 stops15h 19m

Ottawa

Wed 31/12

19:27-10:20

1 stop9h 53m

€570

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Mon 15/12

09:30-21:18

2 stops16h 48m

Ottawa

Tue 30/12

14:15-09:55

2 stops14h 40m

€571

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Ireland to Ottawa

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 Ottawa?

The cheapest month to fly to Ottawa from Ireland is in September. Flight prices, which tend to average around €534, 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 Ottawa from Ireland during March instead. Flights to Ottawa in March, while not as cheap as those in September, still average around €549.

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

The cheapest day to depart from Ireland to Ottawa is on a Thursday when prices can be found for as low as €577. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Ireland to Ottawa for around €794.

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

Flying to Ottawa from Ireland at midday is the least expensive time of day to depart. momondo users have found prices as low as €601 when looking at flights departing at midday. In contrast, the most expensive time of day to depart to Ottawa is in the morning when prices are around €621.

Cheap Ireland to Ottawa flight deals and tips

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

Direct flights

None
There are no direct flights from Ireland to Ottawa. There are no popular flight routes from Ireland to Ottawa.
Search flight deals

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

    Prices for flights from Ireland to Ottawa Airport are refreshed on a daily basis.

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

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

  • What documentation or ID do you need to fly to Ottawa Airport?

    The necessary travel and health documents for your Ottawa Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Ireland to Ottawa

Compare and see reviews for airlines that fly from Ireland to Ottawa with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom €550Free CancellationRating
7.1
10,441 reviews
Search Air Canada flights
United AirlinesPriceFrom €589Free CancellationRating
7.4
9,014 reviews
Search United Airlines flights

Why use momondo?

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

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

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

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

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

Once all potential Ireland to Ottawa flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Ottawa from Ireland. 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.

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