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Cheap flights from Ireland to Ottawa from £451

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to Ottawa departing on 29/7. 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 - 20:00
DUB
-
YOW
11h 45m
1 stop
Air Transat Logo
18:35 - 11:30
YOW
-
DUB
11h 55m
1 stop
£451Air Transat
Wed, 29 Jul - Wed, 5 Aug
Lufthansa Logo
05:00 - 16:23
DUB
-
YOW
15h 23m
2 stops
Lufthansa Logo
14:05 - 11:00
YOW
-
DUB
16h 55m
2 stops
£497Lufthansa
Thu, 12 Mar - Wed, 25 Mar
United Airlines Logo
13:35 - 22:05
DUB
-
YOW
13h 30m
1 stop
United Airlines Logo
17:50 - 11:10
YOW
-
DUB
12h 20m
1 stop
£521United Airlines
Thu, 16 Apr - Wed, 29 Apr
United Airlines Logo
09:30 - 16:38
DUB
-
YOW
12h 08m
1 stop
United Airlines Logo
17:20 - 09:45
YOW
-
DUB
11h 25m
1 stop
£522United Airlines
Thu, 16 Apr - Wed, 29 Apr
Multiple Airlines Logo
13:15 - 20:00
DUB
-
YOW
11h 45m
1 stop
Multiple Airlines Logo
05:55 - 08:20
YOW
-
DUB
21h 25m
2 stops
£564Multiple Airlines
Wed, 29 Jul - Wed, 5 Aug
WestJet Logo
09:40 - 17:35
DUB
-
YOW
36h 55m
2 stops
WestJet Logo
05:55 - 08:20
YOW
-
DUB
21h 25m
2 stops
£664WestJet
Wed, 29 Jul - Wed, 5 Aug
Multiple Airlines Logo
17:55 - 17:35
DUB
-
YOW
28h 40m
3 stops
Multiple Airlines Logo
05:55 - 08:20
YOW
-
DUB
21h 25m
2 stops
£687Multiple Airlines
Wed, 29 Jul - Wed, 5 Aug
American Airlines Logo
16:45 - 14:55
DUB
-
YOW
27h 10m
3 stops
American Airlines Logo
07:00 - 06:30
YOW
-
DUB
18h 30m
3 stops
£3,181American Airlines
Wed, 29 Jul - Wed, 5 Aug

United Airlines flights from Ireland to Ottawa

Our best United Airlines deals on Ireland to Ottawa flight tickets
United Airlines
16 Apr
DUB13:35Dublin
13h 30m
1 stop
YOW22:05Ottawa
29 Apr
YOW17:50Ottawa
12h 20m
1 stop
DUB11:10Dublin
£521
United Airlines
16 Apr
DUB09:30Dublin
12h 08m
1 stop
YOW16:38Ottawa
29 Apr
YOW17:20Ottawa
11h 25m
1 stop
DUB09:45Dublin
£522

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 279,928 searches. Data last updated 23 February 2026.
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 29/7

13:15-20:00

1 stop11h 45m

Ottawa

Wed 5/8

18:35-11:30

1 stop11h 55m

£451

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Thu 12/3

05:00-16:23

2 stops15h 23m

Ottawa

Wed 25/3

14:05-11:00

2 stops16h 55m

£497

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Thu 16/4

13:35-22:05

1 stop13h 30m

Ottawa

Wed 29/4

17:50-11:10

1 stop12h 20m

£521

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Thu 16/4

09:30-16:38

1 stop12h 08m

Ottawa

Wed 29/4

17:20-09:45

1 stop11h 25m

£522

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Wed 29/7

13:15-20:00

1 stop11h 45m

Ottawa

Wed 5/8

05:55-08:20

2 stops21h 25m

£564

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Wed 29/7

09:40-17:35

2 stops36h 55m

Ottawa

Wed 5/8

05:55-08:20

2 stops21h 25m

£664

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Wed 29/7

17:55-17:35

3 stops28h 40m

Ottawa

Wed 5/8

05:55-08:20

2 stops21h 25m

£687

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Wed 29/7

16:45-14:55

3 stops27h 10m

Ottawa

Wed 5/8

07:00-06:30

3 stops18h 30m

£3,181

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to Ottawa from

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?

In general, February is the cheapest month to fly from Ireland to Ottawa. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £452. If you aren’t able to travel during the month of February, then book flights to Ottawa from Ireland during September instead. Flights to Ottawa in September, while not as cheap as those in February, still average around £458.

Cheap Ireland to Ottawa flight deals and tips

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

Fastest flight time

11h 25m

Direct flights

None
The fastest flight from Ireland to Ottawa takes 11h 25m
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 were last updated today.

  • 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?

    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 layovers 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 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 license 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 TransatPriceFrom £371Free CancellationRating
7.7
511 reviews
Search Air Transat flights
Air CanadaPriceFrom £435Free CancellationRating
7.1
10,739 reviews
Search Air Canada flights

Travelling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Smiths Falls

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ireland to Ottawa . Millions of users trust and use momondo every year so you are in good hands.

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

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

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

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

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

Yes. momondo can track prices for Ireland to Ottawa 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.

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