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Cheap flights from Ireland to Ottawa from £359

DUB — YOW
7 Dec — 14 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

Thu 3/1209:00 -
1 stop11h 48m
Thu 10/1220:25 -
1 stop29h 45m
Deal found 5/11£576
Thu 3/1219:05 -
3 stops29h 12m
Thu 10/1215:15 -
3 stops22h 05m
Deal found 5/11£583
Mon 16/1118:35 -
2 stops29h 10m
Sun 29/1117:40 -
2 stops20h 30m
Deal found 6/11£606
Fri 27/1113:35 -
2 stops29h 34m
Mon 14/1214:00 -
2 stops14h 55m
Deal found 2/11£629
Wed 16/1212:05 -
2 stops14h 51m
Wed 30/1214:00 -
2 stops12h 30m
Deal found 5/11£631
Mon 16/1112:05 -
1 stop12h 22m
Sun 29/1114:00 -
1 stop15h 20m
Deal found 6/11£633
Thu 12/1113:35 -
1 stop13h 21m
Wed 25/1115:10 -
1 stop13h 45m
Deal found 5/11£634
Sat 28/1109:30 -
2 stops17h 20m
Tue 15/1215:10 -
1 stop13h 45m
Deal found 2/11£638
Mon 28/1205:45 -
2 stops14h 15m
Sun 16/517:10 -
1 stop10h 10m
Deal found 4/11£638

Find flight deals from Ireland to Ottawa

Round-trip from

£576

One-way from

£359

Popular in

June

Cheapest in

March

Average price

£550
Air Canada
  • Air Canada
  • 3/12-10/12
  • 2 total stops
  • 41h 33m total
  • Ireland to Ottawa
Search Deals
30/11-31/12
  • 30/11-31/12
  • 3 total stops
  • 43h 25m 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 (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 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

Mon 30/11

09:15-23:40

3 stops43h 25m

Ottawa

Wed 31/12

00:00-06:00

Nonstop0h 00m

£359

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Tue 5/1

09:30-19:27

2 stops38h 57m

Ottawa

Wed 31/12

00:00-06:00

Nonstop0h 00m

£484

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Mon 30/11

09:00-11:20

1 stop31h 20m

Ottawa

Wed 31/12

00:00-06:00

Nonstop0h 00m

£535

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Thu 3/12

09:00-15:48

1 stop11h 48m

Ottawa

Thu 10/12

20:25-07:10

1 stop29h 45m

£576

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Thu 3/12

19:05-19:17

3 stops29h 12m

Ottawa

Thu 10/12

15:15-18:20

3 stops22h 05m

£583

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Tue 24/11

10:40-14:09

1 stop32h 29m

Ottawa

Mon 14/12

15:10-10:20

2 stops14h 10m

£629

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Wed 16/12

12:05-21:56

2 stops14h 51m

Ottawa

Wed 30/12

14:00-07:30

2 stops12h 30m

£631

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Thu 22/4

13:35-23:42

2 stops15h 07m

Ottawa

Mon 26/4

14:46-07:30

2 stops11h 44m

£632
Fastest return journey

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Mon 28/12

05:45-15:00

2 stops14h 15m

Ottawa

Sun 16/5

17:10-08:20

1 stop10h 10m

£653

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Mon 28/12

05:45-15:00

2 stops14h 15m

Ottawa

Sun 16/5

18:25-12:40

2 stops13h 15m

£661

Flights are sorted by cheapest return flights first.

Deals found on 3/11

Showing 1-10 of 11 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 £417). Flying from Ireland to Ottawa in June is currently the most expensive (average of £656). 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

Crew

8.5

Food

6.7

Overall

7.7

Entertainment

7.0

Boarding

7.9

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

Crew

8.5

Food

6.7

Overall

7.7

Entertainment

7.0

Boarding

7.9

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 11h 48m. The time it takes to get you to your destination can typically vary by up to 20h 41m. 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 £417). Flying from Ireland to Ottawa in June is currently the most expensive (average of £656). 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

Heathrow to Pearson Intl flights
Gatwick to Pearson Intl flights
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Stansted to Pearson Intl flights
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Manchester to Pearson Intl flights
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Southend to Pearson Intl flights
Heathrow to Ottawa flights
Manchester to Toronto Island flights
Gatwick to Ottawa flights
Edinburgh to Pearson Intl flights
Birmingham to Pearson Intl flights
Edinburgh to Toronto Island flights
Birmingham to Toronto Island flights
London City to Ottawa flights
Manchester to Pierre Elliott Trudeau Intl flights
Stansted to Ottawa flights
Cardiff to Pearson Intl flights
Glasgow Intl to Pierre Elliott Trudeau Intl flights
Glasgow Intl to Pearson Intl flights
Edinburgh to Pierre Elliott Trudeau Intl flights
Newcastle upon Tyne to Pearson Intl flights
Dublin to Toronto Island flights
Bristol to Pearson Intl flights
Southampton to Pearson Intl flights
Liverpool to Pearson Intl flights
Leeds to Pearson Intl flights
Dublin to Pearson Intl flights
Manchester to Ottawa flights
Heathrow to London flights
London City to London flights
Heathrow to Windsor flights
Gatwick to London flights
Birmingham to Pierre Elliott Trudeau Intl flights
Leeds to Pierre Elliott Trudeau Intl flights

Top airline flying from Ireland to Ottawa

AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapest£462Average£477FlexibilityNo cancel feeOn-time50%
Search Air Transat flights

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