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Cheap flights from Ireland to Ottawa from £396

DUB — YOW
19 Nov — 26 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

Thu 12/1105:10 -
2 stops13h 57m
Thu 19/1108:50 -
2 stops18h 35m
Deal found 15/10£556
Thu 12/1109:00 -
1 stop11h 48m
Thu 19/1115:10 -
1 stop11h 20m
Deal found 15/10£563
Fri 13/1108:50 -
2 stops19h 50m
Fri 20/1117:25 -
1 stop15h 45m
Deal found 16/10£566
Sun 1/1105:45 -
2 stops14h 20m
Sun 15/1117:10 -
1 stop10h 50m
Deal found 18/10£586
Fri 13/1108:50 -
2 stops19h 50m
Fri 20/1117:25 -
2 stops17h 55m
Deal found 16/10£595
Thu 5/1108:50 -
2 stops19h 50m
Wed 18/1117:10 -
2 stops14h 30m
Deal found 19/10£600
Thu 29/1013:35 -
1 stop12h 21m
Wed 11/1115:10 -
2 stops14h 10m
Deal found 14/10£608
Fri 30/1012:05 -
1 stop11h 22m
Fri 13/1114:00 -
2 stops14h 55m
Deal found 16/10£610
Thu 5/1109:30 -
2 stops14h 57m
Wed 18/1115:10 -
2 stops14h 10m
Deal found 19/10£610

Find flight deals from Ireland to Ottawa

Round-trip from

£556

One-way from

£396

Popular in

June

Cheapest in

March

Average price

£622
12/11-19/11
  • 12/11-19/11
  • 4 total stops
  • 32h 32m total
  • Ireland to Ottawa
Search Deals
19/12-31/12
  • 19/12-31/12
  • 3 total stops
  • 43h 36m total
  • Ireland to Ottawa
Search Deals
High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£8 potential savings vs. average return 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 return flight

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Sat 19/12

17:35-08:11

3 stops43h 36m

Ottawa

Wed 31/12

00:00-06:00

Nonstop0h 00m

£396

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Sat 19/12

12:05-15:07

1 stop32h 02m

Ottawa

Wed 31/12

00:00-06:00

Nonstop0h 00m

£471
Fastest return journey

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Fri 1/1

09:30-21:56

1 stop17h 26m

Ottawa

Wed 31/12

00:00-06:00

Nonstop0h 00m

£472

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Fri 18/12

09:30-13:11

1 stop32h 41m

Ottawa

Wed 31/12

00:00-06:00

Nonstop0h 00m

£473

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Wed 2/12

13:35-13:11

1 stop28h 36m

Ottawa

Wed 31/12

00:00-06:00

Nonstop0h 00m

£473

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Thu 12/11

09:00-15:48

1 stop11h 48m

Ottawa

Thu 19/11

12:15-08:25

2 stops15h 10m

£564

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Fri 13/11

08:50-23:40

2 stops19h 50m

Ottawa

Fri 20/11

17:25-14:10

1 stop15h 45m

£566

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Sat 30/1

08:50-23:40

2 stops19h 50m

Ottawa

Sat 6/2

17:15-14:10

1 stop15h 55m

£568

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Sat 2/1

09:30-19:27

2 stops38h 57m

Ottawa

Wed 31/12

00:00-06:00

Nonstop0h 00m

£576

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Sun 1/11

05:45-16:05

2 stops14h 20m

Ottawa

Sun 15/11

17:10-09:00

1 stop10h 50m

£586

Flights are sorted by cheapest return flights first.

Deals found on 14/10

Showing 1-10 of 16 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 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 £419). Flying from Ireland to Ottawa in June is currently the most expensive (average of £659). 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
583 reviews
Check prices

Crew

8.5

Comfort

7.3

Entertainment

7.1

Food

6.8

Overall

7.7

Boarding

8.0

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
583 reviews
Air Transat
7.7
Good
583 reviews
Check prices

Crew

8.5

Comfort

7.3

Entertainment

7.1

Food

6.8

Overall

7.7

Boarding

8.0

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
11,782 reviews
Air Transat
7.7
Good
583 reviews
Check prices

Crew

8.5

Comfort

7.3

Entertainment

7.1

Food

6.8

Overall

7.7

Boarding

8.0

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 KLM fly from Ireland to Ottawa in about 19h 50m. The time it takes to get you to your destination can typically vary by up to . Ireland and Ottawa are separated by a distance of 3044 mi.

  • 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 £419). Flying from Ireland to Ottawa in June is currently the most expensive (average of £659). 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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Top 2 airlines flying from Ireland to Ottawa

AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapest£465Average£480FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapest£522Average£541FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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