Find flights
When to book
Airlines
FAQs

Cheap flights from Ireland to Ottawa from C$ 625

DUB — YOW
2 Nov — 9 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ireland to Ottawa

Enter your travel dates to find the best prices.

Cheapest flights from Ireland to Ottawa

Fri 13/119:10 a.m. -
2 stops20h 34m
Fri 20/115:30 a.m. -
2 stops30h 00m
Deal found 29/9C$ 948
Fri 9/101:15 p.m. -
1 stop16h 10m
Thu 22/108:55 p.m. -
1 stop9h 35m
Deal found 30/9C$ 950
Fri 9/101:15 p.m. -
1 stop16h 10m
Tue 13/104:00 p.m. -
1 stop14h 30m
Deal found 28/9C$ 971
Fri 30/108:00 a.m. -
1 stop13h 20m
Fri 13/1112:10 p.m. -
1 stop14h 00m
Deal found 29/9C$ 1,043
Thu 5/115:10 a.m. -
2 stops14h 02m
Wed 18/115:10 a.m. -
1 stop21h 00m
Deal found 2/10C$ 1,049
Tue 27/109:10 a.m. -
2 stops19h 34m
Tue 3/115:30 a.m. -
2 stops24h 30m
Deal found 29/9C$ 1,055
Tue 27/105:30 p.m. -
2 stops26h 35m
Sun 1/115:25 p.m. -
1 stop16h 20m
Deal found 1/10C$ 1,206
Mon 26/105:30 p.m. -
2 stops26h 30m
Sun 1/115:25 p.m. -
1 stop16h 20m
Deal found 1/10C$ 1,321
Mon 26/105:30 p.m. -
2 stops26h 30m
Fri 30/106:25 p.m. -
2 stops18h 15m
Deal found 1/10C$ 1,435
Wed 30/911:25 a.m. -
1 stop10h 40m
Sun 4/109:05 a.m. -
2 stops29h 45m
Deal found 29/9C$ 1,495
Wed 7/107:10 a.m. -
1 stop14h 55m
Sun 11/102:35 p.m. -
2 stops19h 35m
Deal found 2/10C$ 1,515

Find flight deals from Ireland to Ottawa

Round-trip from

C$ 948

One-way from

C$ 625

Popular in

June

Cheapest in

March

Average price

C$ 1,063
13/11-20/11
  • 13/11-20/11
  • 4 total stops
  • 50h 34m total
  • Ireland to Ottawa
Search Deals
1/11-31/12
  • 1/11-31/12
  • 3 total stops
  • 47h 44m total
  • Ireland to Ottawa
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (C$ 11 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2026
Search Deals

Cheapflights Fare Finder

 
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

Cheapest round-trip

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Tue 3/11

6:20 p.m.-4:09 p.m.

3 stops50h 49m

Ottawa

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 658

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Sat 19/12

3:10 p.m.-3:00 p.m.

1 stop28h 50m

Ottawa

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 692

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Sat 19/12

1:25 p.m.-3:00 p.m.

2 stops30h 35m

Ottawa

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 745

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Sat 31/10

9:25 a.m.-2:12 p.m.

2 stops32h 47m

Ottawa

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 760

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Wed 21/10

6:50 a.m.-12:20 a.m.

2 stops22h 30m

Ottawa

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 792

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Sat 19/12

6:55 a.m.-3:14 p.m.

3 stops37h 19m

Ottawa

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 803
Quickest round-trip

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Mon 2/11

1:05 p.m.-12:44 a.m.

1 stop16h 39m

Ottawa

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 843

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Sun 1/11

9:00 a.m.-1:40 a.m.

1 stop21h 40m

Ottawa

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 858

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Fri 18/12

9:30 a.m.-9:56 p.m.

1 stop17h 26m

Ottawa

Fri 1/1

3:10 p.m.-7:30 a.m.

1 stop11h 20m

C$ 1,135

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Fri 9/10

1:35 p.m.-11:54 p.m.

2 stops15h 19m

Ottawa

Tue 13/10

10:37 a.m.-7:20 a.m.

2 stops15h 43m

C$ 1,145

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/10

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

Best time to book a flight from Ireland to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from Ireland with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Ireland to Ottawa

What is the cheapest month to book a flight from Ireland to Ottawa?

Currently, March is the cheapest month in which you can book a flight from Ireland to Ottawa (average of C$ 794). Flying from Ireland to Ottawa in June is currently the most expensive (average of C$ 1,250). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Ottawa

Read reviews from past customers who have flown Air Canada from Ireland to Ottawa. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
11,712 reviews
Check prices

Comfort

7.1

Entertainment

6.8

Boarding

7.3

Food

6.3

Crew

7.8

Overall

7.1

Reviews

1 / 20
2.0
Mediocre

Sylvia,Aug 2026

YLW - YYZ

The fires impacted our trip. We sat in the plane for an hour with no air conditioning. We were a total of 5-hour delay but missed our connection. The staff tried to keep us aware of important information
Air Canada
7.1
Good
11,712 reviews
Air Canada
7.1
Good
11,712 reviews
Check prices

Comfort

7.1

Entertainment

6.8

Boarding

7.3

Food

6.3

Crew

7.8

Overall

7.1

Reviews

1 / 20
2.0
Mediocre

Sylvia,Aug 2026

YLW - YYZ

The fires impacted our trip. We sat in the plane for an hour with no air conditioning. We were a total of 5-hour delay but missed our connection. The staff tried to keep us aware of important information

Related info for your journey

  • What airport do you fly into for flights to Ottawa from Ireland?

    Ottawa (YOW), located 10.6 km from the city centre, is the airport you fly into when you book flights from Ireland to Ottawa.

  • How long is the flight from Ireland to Ottawa?

    There are many flights that can get you from Ireland to Ottawa in 17h 26m. Fly via United Airlines or KLM to get the fastest option. Airlines will cover a distance of 4899 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from Ireland to Ottawa that include hotel bookings?

    Yes. In addition to deals on Ireland to Ottawa flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ireland to Ottawa?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to Ottawa.

  • Can I find deals for business class flights from Ireland to Ottawa?

    Yes. Cheapflights offers flight deals from Ireland to Ottawa by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ireland to Ottawa?

    Currently, March is the cheapest month in which you can book a flight from Ireland to Ottawa (average of C$ 794). Flying from Ireland to Ottawa in June is currently the most expensive (average of C$ 1,250). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Prescott
Brockville
Wakefield
Pembroke
Smiths Falls

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Ireland to Ottawa

Charles de Gaulle to Pierre Elliott Trudeau Intl flights
Orly to Pierre Elliott Trudeau Intl flights
Beauvais-Tille to Pierre Elliott Trudeau Intl flights
Heathrow to Pearson Intl flights
Charles de Gaulle to Pearson Intl flights
Gatwick to Pearson Intl flights
Lyon to Pierre Elliott Trudeau Intl flights
Toulouse to Pierre Elliott Trudeau Intl flights
Bruxelles-National to Pierre Elliott Trudeau Intl flights
Frankfurt to Pearson Intl flights
London City to Pearson Intl flights
Stansted to Pearson Intl flights
Orly to Pearson Intl flights
Luton to Pearson Intl flights
Nice to Pierre Elliott Trudeau Intl flights
Frankfurt to Pierre Elliott Trudeau Intl flights
Amsterdam to Pearson Intl flights
Marseille to Pierre Elliott Trudeau Intl flights
Charles de Gaulle to Toronto Island flights
Frederic Chopin to Toronto Island flights
Geneva to Pierre Elliott Trudeau Intl flights
Frederic Chopin to Pearson Intl flights
Munich to Pearson Intl flights
Leonardo da Vinci/Fiumicino to Pearson Intl flights
Heathrow to Pierre Elliott Trudeau Intl flights
Frankfurt-Hahn to Pearson Intl flights
Berlin to Pearson Intl flights
Vienna to Pearson Intl flights
Dublin to Pearson Intl flights
Charles de Gaulle to Hamilton flights
Madrid to Pierre Elliott Trudeau Intl flights
Barcelona-El Prat to Pierre Elliott Trudeau Intl flights
Charleroi Brussels to Pierre Elliott Trudeau Intl flights
Zurich to Pearson Intl flights
Istanbul to Pierre Elliott Trudeau Intl flights
Nantes to Pierre Elliott Trudeau Intl flights
Zurich to Pierre Elliott Trudeau Intl flights
Bordeaux to Pierre Elliott Trudeau Intl flights
Gatwick to Pierre Elliott Trudeau Intl flights
Amsterdam to Toronto Island flights
Vicenza to Pearson Intl flights
Lisbon to Pearson Intl flights
Copenhagen to Pearson Intl flights

Top airline flying from Ireland to Ottawa

AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 794AverageC$ 895FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

How does Cheapflights help users find flights from Ireland to Ottawa?

Cheapflights helps you search for flights from Ireland to Ottawa via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Ireland to Ottawa?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Ireland to Ottawa.

Can Cheapflights find flights from Ireland to Ottawa with no change fees?

Need flexible booking options for your flight to Ottawa from Ireland? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Ireland to Ottawa become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.