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Cheap flights from Ireland to Ottawa from £476

DUB — YOW
26 Oct — 2 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

Sun 8/1109:00 -
1 stop13h 20m
Sun 15/1110:05 -
1 stop16h 05m
Deal found 24/9£546
Sun 8/1105:10 -
2 stops19h 35m
Sun 15/1109:10 -
1 stop17h 00m
Deal found 24/9£559
Thu 24/1209:00 -
2 stops15h 52m
Thu 31/1215:10 -
1 stop13h 45m
Deal found 26/9£575
Tue 22/1213:35 -
1 stop13h 21m
Thu 31/1215:10 -
1 stop13h 45m
Deal found 26/9£600
Tue 22/1213:35 -
1 stop13h 21m
Thu 31/1215:10 -
2 stops14h 10m
Deal found 26/9£604
Fri 9/1013:35 -
2 stops15h 19m
Thu 22/1018:01 -
1 stop12h 09m
Deal found 25/9£607
Wed 23/1213:35 -
2 stops27h 02m
Thu 31/1214:55 -
2 stops20h 35m
Deal found 26/9£615

Find flight deals from Ireland to Ottawa

Round-trip from

£546

One-way from

£476

Popular in

June

Cheapest in

March

Average price

£591
Air Canada
  • Air Canada
  • 8/11-15/11
  • 2 total stops
  • 29h 25m total
  • Ireland to Ottawa
Search Deals
United Airlines
  • United Airlines
  • 4/11-31/12
  • 1 total stop
  • 12h 22m total
  • Ireland to Ottawa
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£27 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 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 return flight
Fastest return journey

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Wed 4/11

12:05-19:27

1 stop12h 22m

Ottawa

Wed 31/12

00:00-06:00

Nonstop0h 00m

£476

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Sun 8/11

09:00-17:20

1 stop13h 20m

Ottawa

Sun 15/11

10:05-07:10

1 stop16h 05m

£546

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Sun 8/11

09:10-19:45

2 stops15h 35m

Ottawa

Sun 15/11

14:00-11:00

2 stops16h 00m

£566

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Thu 24/12

09:00-19:52

2 stops15h 52m

Ottawa

Thu 31/12

15:10-09:55

1 stop13h 45m

£575

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Wed 23/12

13:35-21:56

1 stop13h 21m

Ottawa

Thu 31/12

15:10-09:55

1 stop13h 45m

£600

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Wed 23/12

13:35-21:56

1 stop13h 21m

Ottawa

Thu 31/12

06:15-09:55

2 stops22h 40m

£604

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Tue 22/12

13:35-21:56

1 stop13h 21m

Ottawa

Thu 31/12

15:10-10:20

2 stops14h 10m

£604

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Sat 10/10

13:35-23:54

2 stops15h 19m

Ottawa

Fri 16/10

15:10-10:40

2 stops14h 30m

£607

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Fri 9/10

08:50-18:55

1 stop15h 05m

Ottawa

Thu 22/10

18:01-11:10

1 stop12h 09m

£607

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Wed 23/12

13:35-11:37

2 stops27h 02m

Ottawa

Thu 31/12

14:55-16:30

2 stops20h 35m

£615

Flights are sorted by cheapest return flights first.

Deals found on 22/9

Sorted by cheapest first

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 return 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 £422). Flying from Ireland to Ottawa in June is currently the most expensive (average of £663). 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 with Air Transat and 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 Transat
7.7
Good
582 reviews
Check prices

Food

6.8

Boarding

8.0

Crew

8.5

Overall

7.7

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Air Transat
7.7
Good
582 reviews
Air Transat
7.7
Good
582 reviews
Check prices

Food

6.8

Boarding

8.0

Crew

8.5

Overall

7.7

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Air Canada
7.1
Good
11,690 reviews
Air Transat
7.7
Good
582 reviews
Check prices

Food

6.8

Boarding

8.0

Crew

8.5

Overall

7.7

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.

Related info for your journey

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

    Located just 6.6 mi from the city center, Ottawa (YOW) is the airport most travelers will use when flying to Ottawa from Ireland.

  • How long is the flight from Ireland to Ottawa?

    Airlines like Air Canada and United Airlines fly from Ireland to Ottawa in about 13h 20m. The time it takes to get you to your destination can typically vary by up to 01m. Ireland and Ottawa are separated by a distance of 3044 mi. This flight may include one or multiple 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 holiday 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 £422). Flying from Ireland to Ottawa in June is currently the most expensive (average of £663). 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
Brockville

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Ireland to Ottawa

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Heathrow to Windsor flights

Top 2 airlines flying from Ireland to Ottawa

AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapest£467Average£488FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapest£483Average£538FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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