Find flights
When to book
Airlines
FAQs

Cheap flights from Ireland to Ottawa from £398

DUB — YOW
13 Nov — 20 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

Fri 27/1106:00 -
1 stop14h 00m
Fri 4/1217:15 -
1 stop11h 10m
Deal found 13/10£542
Tue 24/1111:30 -
2 stops17h 10m
Tue 1/1205:30 -
2 stops23h 45m
Deal found 10/10£543
Fri 27/1111:30 -
2 stops17h 10m
Fri 4/1205:30 -
2 stops23h 45m
Deal found 13/10£553
Tue 10/1105:10 -
2 stops19h 35m
Tue 17/1119:35 -
1 stop30h 35m
Deal found 13/10£566
Wed 11/1113:25 -
2 stops15h 15m
Wed 18/1117:10 -
1 stop10h 50m
Deal found 14/10£571
Tue 10/1113:35 -
1 stop13h 21m
Tue 17/1120:30 -
1 stop29h 40m
Deal found 13/10£586
Tue 24/1110:40 -
1 stop15h 36m
Tue 1/1220:25 -
1 stop29h 45m
Deal found 10/10£587
Wed 28/1005:45 -
2 stops14h 20m
Wed 18/1117:10 -
1 stop10h 50m
Deal found 14/10£587

Find flight deals from Ireland to Ottawa

Round-trip from

£542

One-way from

£474

Popular in

June

Cheapest in

March

Average price

£626
Air France
  • Air France
  • 27/11-4/12
  • 2 total stops
  • 25h 10m total
  • Ireland to Ottawa
Search Deals
United Airlines
  • United Airlines
  • 27/11-31/12
  • 1 total stop
  • 32h 41m total
  • Ireland to Ottawa
Search Deals
High demand for flights, 0% potential price rise
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 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

£398

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Fri 27/11

09:30-13:11

1 stop32h 41m

Ottawa

Wed 31/12

00:00-06:00

Nonstop0h 00m

£474

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

£474
Fastest return journey

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Wed 6/1

09:30-21:56

1 stop17h 26m

Ottawa

Wed 31/12

00:00-06:00

Nonstop0h 00m

£474

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Tue 24/11

05:10-19:45

2 stops19h 35m

Ottawa

Tue 1/12

20:25-07:10

1 stop29h 45m

£568

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Tue 24/11

10:40-21:16

1 stop15h 36m

Ottawa

Tue 1/12

20:25-07:10

1 stop29h 45m

£587

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Wed 28/10

05:45-16:05

2 stops14h 20m

Ottawa

Wed 18/11

17:10-09:00

1 stop10h 50m

£587

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Tue 10/11

12:05-19:27

1 stop12h 22m

Ottawa

Tue 17/11

09:45-10:20

1 stop19h 35m

£612

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Fri 26/2

09:30-21:26

2 stops16h 56m

Ottawa

Tue 2/3

14:48-10:20

2 stops14h 32m

£612

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Thu 29/10

13:35-21:56

1 stop12h 21m

Ottawa

Wed 11/11

15:10-10:20

2 stops14h 10m

£612

Flights are sorted by cheapest return flights first.

Deals found on 14/10

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 £422). Flying from Ireland to Ottawa in June is currently the most expensive (average of £664). 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

Boarding

8.0

Crew

8.5

Overall

7.7

Comfort

7.3

Entertainment

7.1

Food

6.8

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

Boarding

8.0

Crew

8.5

Overall

7.7

Comfort

7.3

Entertainment

7.1

Food

6.8

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
11,770 reviews
Air Transat
7.7
Good
583 reviews
Check prices

Boarding

8.0

Crew

8.5

Overall

7.7

Comfort

7.3

Entertainment

7.1

Food

6.8

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 12h 22m. The time it takes to get you to your destination can typically vary by up to 3h 14m. 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 £664). 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
Heathrow to Toronto Island flights
London City to Pearson Intl flights
Stansted to Pearson Intl flights
Luton to Pearson Intl flights
Heathrow to Pierre Elliott Trudeau Intl flights
Gatwick to Toronto Island flights
Manchester to Pearson Intl flights
Gatwick to Pierre Elliott Trudeau Intl flights
London City to Pierre Elliott Trudeau Intl flights
Stansted to Pierre Elliott Trudeau Intl flights
Luton to Pierre Elliott Trudeau Intl flights
Manchester to Toronto Island flights
Heathrow to Ottawa flights
Edinburgh to Pearson Intl flights
Edinburgh to Toronto Island flights
Gatwick to Ottawa flights
Southend to Pearson Intl flights
Glasgow Intl to Pearson Intl flights
Birmingham to Pearson Intl flights
Dublin to Toronto Island flights
Birmingham to Toronto Island flights
London City to Ottawa flights
Manchester to Pierre Elliott Trudeau Intl flights
Newcastle upon Tyne to Pearson Intl flights
Edinburgh to Pierre Elliott Trudeau Intl flights
Heathrow to London flights
Cardiff to Pearson Intl flights
Glasgow Intl to Pierre Elliott Trudeau Intl flights
Liverpool to Pearson Intl flights
Manchester to Ottawa flights
Belfast Intl to Pearson Intl flights
Leeds to Pearson Intl flights
Belfast City to Pearson Intl flights
Birmingham to Pierre Elliott Trudeau Intl flights
Gatwick to London flights
London City to London flights
Stansted to Ottawa flights
Birmingham to Ottawa flights
Charles de Gaulle to Pierre Elliott Trudeau Intl flights

Top 2 airlines flying from Ireland to Ottawa

AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapest£468Average£483FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapest£483Average£544FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

How does Cheapflights help users find flights from Ireland to Ottawa?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Ottawa from Ireland today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Ireland to Ottawa?

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.

Can Cheapflights find flights from Ireland to Ottawa with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Ireland to Ottawa flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Ireland to Ottawa become cheaper?

Of course! You can now track prices for flights from Ireland to Ottawa and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.