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Cheap flights from Ireland to Ottawa from £369

DUB — YOW
21 Sep — 28 Sep1
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

Sat 3/1007:50 -
2 stops17h 10m
Sat 10/1007:00 -
2 stops23h 15m
Deal found 19/8£420
Mon 14/907:25 -
1 stop34h 15m
Sun 20/919:40 -
1 stop33h 35m
Deal found 17/8£461
Tue 20/1012:25 -
2 stops25h 40m
Thu 5/1119:35 -
1 stop30h 35m
Deal found 20/8£552
Tue 20/1009:50 -
1 stop27h 25m
Thu 5/1120:30 -
1 stop29h 40m
Deal found 20/8£566
Fri 11/912:30 -
1 stop11h 25m
Sat 26/919:30 -
1 stop10h 10m
Deal found 18/8£599

Find flight deals from Ireland to Ottawa

Round-trip from

£420

One-way from

£369

Popular in

June

Cheapest in

March

Average price

£593
3/10-10/10
  • 3/10-10/10
  • 4 total stops
  • 40h 25m total
  • Ireland to Ottawa
Search Deals
Air Transat
  • Air Transat
  • 28/8
  • 1 total stop
  • 23h 50m 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 August 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 14/9

07:25-12:40

1 stop34h 15m

Ottawa

Sun 20/9

19:40-10:15

1 stop33h 35m

£461

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Sat 3/10

06:40-20:00

3 stops18h 20m

Ottawa

Sat 10/10

12:25-11:30

2 stops18h 05m

£520

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Sat 6/2

09:00-15:48

1 stop11h 48m

Ottawa

Sat 13/2

10:05-07:10

1 stop16h 05m

£542

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Sat 6/2

05:10-14:12

2 stops14h 02m

Ottawa

Sat 13/2

14:00-07:10

1 stop12h 10m

£550

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Tue 20/10

09:50-08:15

1 stop27h 25m

Ottawa

Thu 5/11

20:30-07:10

1 stop29h 40m

£566
Fastest return journey

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Fri 11/9

12:30-18:55

1 stop11h 25m

Ottawa

Sat 26/9

19:30-10:40

1 stop10h 10m

£599

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Thu 10/9

12:30-22:35

2 stops15h 05m

Ottawa

Sat 26/9

17:20-09:45

1 stop11h 25m

£601

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Sun 27/12

09:30-19:27

2 stops14h 57m

Ottawa

Wed 13/1

14:00-07:30

2 stops12h 30m

£602
Cheapest one-way
Fastest single journey

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Fri 28/8

13:15-08:05

1 stop23h 50m

£369

Flights are sorted by cheapest return flights first.

Deals found on 21/8

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 £409). Flying from Ireland to Ottawa in June is currently the most expensive (average of £643). 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.

How often are flights from Ireland to Ottawa delayed?

About 100% of weekly flights between Ireland and Ottawa have experienced delays in the past year, with the average delay time being 104 minutes.

What is the most punctual flight time for Ireland to Ottawa flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.

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
7.8
Good
573 reviews
Check prices

Overall

7.8

Crew

8.5

Entertainment

7.1

Food

6.8

Comfort

7.3

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
7.8
Good
573 reviews
Air Transat
7.8
Good
573 reviews
Check prices

Overall

7.8

Crew

8.5

Entertainment

7.1

Food

6.8

Comfort

7.3

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
11,514 reviews
Air Transat
7.8
Good
573 reviews
Check prices

Overall

7.8

Crew

8.5

Entertainment

7.1

Food

6.8

Comfort

7.3

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.

  • 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 £409). Flying from Ireland to Ottawa in June is currently the most expensive (average of £643). 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
Smiths Falls

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Ireland to Ottawa

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

Top 2 airlines flying from Ireland to Ottawa

AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapest£453Average£474FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapest£458Average£516FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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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.

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