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Cheap flights from Ireland to Ottawa from £484

DUB — YOW
12 Dec — 19 Dec1
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 6/1209:00 -
1 stop14h 45m
Sun 13/1209:10 -
1 stop17h 00m
Deal found 8/11£570
Sun 6/1219:05 -
3 stops29h 12m
Sun 13/1210:25 -
2 stops19h 20m
Deal found 8/11£594
Fri 18/1209:30 -
1 stop17h 26m
Sat 2/106:00 -
1 stop20h 30m
Deal found 9/11£630
Mon 16/1113:35 -
2 stops29h 34m
Sun 29/1106:00 -
2 stops23h 20m
Deal found 9/11£632
Tue 8/1212:05 -
1 stop12h 22m
Wed 23/1214:00 -
1 stop15h 20m
Deal found 10/11£633
Wed 9/1209:30 -
2 stops16h 46m
Mon 28/1214:00 -
2 stops12h 30m
Deal found 10/11£635
Sat 19/1209:30 -
2 stops17h 20m
Thu 14/110:30 -
2 stops16h 00m
Deal found 9/11£636

Find flight deals from Ireland to Ottawa

Round-trip from

£446

Popular in

June

Cheapest in

March

Average price

£553
20/1-4/2
  • 20/1-4/2
  • 4 total stops
  • 40h 55m total
  • Ireland to Ottawa
Search Deals
High demand for flights, 2% potential price rise
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Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).
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Average for round-trip flights in November 2026
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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

Wed 23/12

12:05-21:56

2 stops14h 51m

Ottawa

Wed 31/12

00:00-06:00

Nonstop0h 00m

£484
Fastest return journey

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Sat 19/12

13:35-21:56

1 stop13h 21m

Ottawa

Wed 31/12

00:00-06:00

Nonstop0h 00m

£485

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Sun 6/12

19:05-19:17

3 stops29h 12m

Ottawa

Sun 13/12

10:25-10:45

2 stops19h 20m

£594

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Fri 22/1

09:30-19:27

2 stops14h 57m

Ottawa

Sat 6/2

10:30-07:30

2 stops16h 00m

£632

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Fri 4/12

09:30-21:16

2 stops16h 46m

Ottawa

Mon 7/12

14:00-09:55

2 stops14h 55m

£632

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Sun 17/1

09:30-19:27

2 stops14h 57m

Ottawa

Tue 2/2

10:30-07:30

2 stops16h 00m

£632

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Mon 18/1

09:30-19:27

2 stops14h 57m

Ottawa

Thu 4/2

10:30-07:30

2 stops16h 00m

£632

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Sat 23/1

09:30-21:23

2 stops16h 53m

Ottawa

Thu 4/2

15:10-07:30

1 stop11h 20m

£632

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Fri 22/1

09:30-19:27

2 stops14h 57m

Ottawa

Fri 5/2

10:30-07:30

2 stops16h 00m

£632

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Thu 21/1

09:30-19:27

2 stops14h 57m

Ottawa

Tue 2/2

10:30-07:30

2 stops16h 00m

£632

Flights are sorted by cheapest return flights first.

Deals found on 8/11

Showing 1-10 of 12 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 £660). 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 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
585 reviews
Check prices

Comfort

7.3

Entertainment

7.0

Food

6.7

Boarding

7.9

Overall

7.7

Crew

8.5

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
585 reviews
Air Transat
7.7
Good
585 reviews
Check prices

Comfort

7.3

Entertainment

7.0

Food

6.7

Boarding

7.9

Overall

7.7

Crew

8.5

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 United Airlines fly from Ireland to Ottawa in about 14h 57m. 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 £660). 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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Birmingham to Pearson Intl flights
Newcastle upon Tyne to Pearson Intl flights
Stansted to Ottawa flights
Charles de Gaulle to Pierre Elliott Trudeau Intl flights
Birmingham to Toronto Island flights
Newcastle upon Tyne to Ottawa flights
Cardiff to Pearson Intl flights
Southampton to Pearson Intl flights
Manchester to Pierre Elliott Trudeau Intl flights
Edinburgh to Pierre Elliott Trudeau Intl flights
Heathrow to London flights
Manchester to Ottawa flights
Belfast Intl to Pearson Intl flights
Bristol to Pierre Elliott Trudeau Intl flights
Glasgow Intl to Pierre Elliott Trudeau Intl flights
Dublin to Toronto Island flights
Gatwick to London flights
Leeds to Pearson Intl flights
Liverpool to Pearson Intl flights
Geneva to Pierre Elliott Trudeau Intl flights
Istanbul to Pearson Intl flights

Top airline flying from Ireland to Ottawa

AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapest£465Average£480FlexibilityNo cancel feeOn-time50%
Search Air Transat flights

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