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Cheap flights from Ottawa to Ireland from C$ 357

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/6. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — DUB
22 Apr — 29 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ottawa to Ireland

Enter your travel dates to find the best prices.

Cheapest flights from Ottawa to Ireland
Explore the most affordable flight options available from Ottawa to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 March 2026.

Wed 6/56:55 a.m.
YOW
-
DUB
2 stops20h 25m
WestJet
Wed 13/59:40 a.m.
DUB
-
YOW
2 stops19h 40m
WestJet
Deal found 22/3C$ 665
Sat 16/56:25 p.m.
YOW
-
DUB
2 stops32h 55m
WestJet
Sat 23/59:40 a.m.
DUB
-
YOW
2 stops19h 40m
WestJet
Deal found 22/3C$ 686
Sat 9/56:25 p.m.
YOW
-
DUB
2 stops32h 55m
WestJet
Sat 16/510:40 a.m.
DUB
-
YOW
1 stop11h 55m
WestJet
Deal found 21/3C$ 689
Mon 4/56:55 a.m.
YOW
-
DUB
2 stops44h 25m
WestJet
Mon 11/510:40 a.m.
DUB
-
YOW
1 stop18h 40m
WestJet
Deal found 20/3C$ 690
Wed 27/56:25 p.m.
YOW
-
DUB
2 stops23h 15m
Multiple Airlines
Tue 2/610:40 a.m.
DUB
-
YOW
1 stop11h 55m
Multiple Airlines
Deal found 18/3C$ 691
Sun 24/56:25 p.m.
YOW
-
DUB
2 stops23h 45m
Multiple Airlines
Tue 2/610:40 a.m.
DUB
-
YOW
1 stop11h 55m
Multiple Airlines
Deal found 18/3C$ 700
Wed 27/56:25 p.m.
YOW
-
DUB
1 stop9h 55m
WestJet
Tue 2/610:40 a.m.
DUB
-
YOW
1 stop11h 55m
WestJet
Deal found 18/3C$ 705
Sat 2/56:55 a.m.
YOW
-
SNN
3 stops27h 00m
Multiple Airlines
Sat 9/511:00 p.m.
SNN
-
YOW
3 stops30h 20m
Multiple Airlines
Deal found 18/3C$ 1,111
Mon 11/511:00 a.m.
YOW
-
SNN
2 stops13h 25m
Multiple Airlines
Mon 18/51:45 p.m.
SNN
-
YOW
2 stops15h 40m
Multiple Airlines
Deal found 18/3C$ 1,229
Wed 29/45:50 p.m.
YOW
-
SNN
1 stop11h 25m
United Airlines
Tue 5/512:30 p.m.
SNN
-
YOW
2 stops30h 29m
United Airlines
Deal found 22/3C$ 1,240
Mon 4/53:10 p.m.
YOW
-
SNN
1 stop14h 05m
Air Canada
Mon 11/512:30 p.m.
SNN
-
YOW
1 stop14h 35m
Air Canada
Deal found 20/3C$ 1,242
Sun 31/56:05 a.m.
YOW
-
SNN
1 stop23h 10m
Air Canada
Thu 4/612:30 p.m.
SNN
-
YOW
1 stop25h 41m
Air Canada
Deal found 22/3C$ 1,269

Find flight deals from Ottawa to Ireland

Keep the following information in mind while searching for Ottawa to Ireland flight deals. Data was last updated 23 March 2026.

Round-trip from

C$ 665

One-way from

C$ 357

Popular in

February

Cheapest in

June

Average price

C$ 1,080
WestJet
  • WestJet
  • 6/5-13/5
  • 4 total stops
  • 40h 05m total
  • Ottawa to Ireland
Search Deals
17/6
  • 17/6
  • 2 total stops
  • 23h 15m total
  • Ottawa to Ireland
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 166 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ottawa to Ireland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 23 March 2026.
Use the filters below to find and compare flights from Ottawa to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Mon 4/5

6:55 a.m.-8:20 a.m.

2 stops44h 25m

Dublin

Mon 11/5

10:40 a.m.-12:20 a.m.

1 stop18h 40m

C$ 690

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Sat 16/5

6:25 p.m.-8:20 a.m.

2 stops32h 55m

Dublin

Sat 23/5

10:40 a.m.-12:20 a.m.

1 stop18h 40m

C$ 696

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Sun 24/5

6:25 p.m.-9:20 a.m.

1 stop9h 55m

Dublin

Thu 28/5

9:40 a.m.-12:20 a.m.

2 stops19h 40m

C$ 741

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Fri 12/6

6:55 a.m.-8:20 a.m.

2 stops20h 25m

Dublin

Sun 21/6

12:15 p.m.-12:20 a.m.

1 stop17h 05m

C$ 755

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Sat 20/6

6:25 p.m.-8:20 a.m.

2 stops32h 55m

Dublin

Sun 28/6

12:15 p.m.-5:35 p.m.

1 stop10h 20m

C$ 809

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Sun 24/5

6:35 p.m.-11:30 a.m.

1 stop11h 55m

Dublin

Fri 29/5

1:15 p.m.-12:25 a.m.

1 stop16h 10m

C$ 824

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Tue 26/5

7:15 p.m.-11:30 a.m.

1 stop11h 15m

Dublin

Fri 29/5

1:15 p.m.-12:25 a.m.

1 stop16h 10m

C$ 824

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Sun 24/5

6:55 a.m.-9:20 a.m.

1 stop21h 25m

Dublin

Sat 30/5

9:40 a.m.-12:20 a.m.

2 stops19h 40m

C$ 830

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Fri 12/6

6:55 a.m.-8:20 a.m.

2 stops20h 25m

Dublin

Sat 27/6

9:40 a.m.-12:20 a.m.

2 stops19h 40m

C$ 840

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Sun 7/6

6:55 a.m.-8:20 a.m.

2 stops20h 25m

Dublin

Thu 11/6

9:40 a.m.-12:20 a.m.

2 stops19h 40m

C$ 856

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/3

Showing 1-10 of 34 resultsSorted by cheapest first
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Best time to book a flight from Ottawa to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland from Ottawa with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ottawa to Ireland

What is the cheapest month to book a flight from Ottawa to Ireland?

Currently, May is the cheapest month in which you can book a flight from Ottawa to Ireland (average of C$ 561). Flying from Ottawa to Ireland in December is currently the most expensive (average of C$ 864). 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 Ireland

Get insights into the airlines that provide service to Ireland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ireland. Reviews last updated 23 March 2026.
Read reviews from past customers who have flown Porter Airlines,Air Transat, andAer Lingus from Ottawa to Ireland. 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.
Porter Airlines
8.0
Very good
427 reviews
Check prices

Crew

8.6

Boarding

8.2

Overall

8.0

Entertainment

7.0

Food

7.6

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Porter Airlines
8.0
Very good
427 reviews
Porter Airlines
8.0
Very good
427 reviews
Check prices

Crew

8.6

Boarding

8.2

Overall

8.0

Entertainment

7.0

Food

7.6

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Air Transat
7.7
Good
523 reviews
Porter Airlines
8.0
Very good
427 reviews
Check prices

Crew

8.6

Boarding

8.2

Overall

8.0

Entertainment

7.0

Food

7.6

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Aer Lingus
7.2
Good
1,487 reviews
Porter Airlines
8.0
Very good
427 reviews
Check prices

Crew

8.6

Boarding

8.2

Overall

8.0

Entertainment

7.0

Food

7.6

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
WestJet
7.2
Good
3,300 reviews
Porter Airlines
8.0
Very good
427 reviews
Check prices

Crew

8.6

Boarding

8.2

Overall

8.0

Entertainment

7.0

Food

7.6

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Air Canada
7.1
Good
10,835 reviews
Porter Airlines
8.0
Very good
427 reviews
Check prices

Crew

8.6

Boarding

8.2

Overall

8.0

Entertainment

7.0

Food

7.6

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.

Related info for your journey

Find useful and relevant information for your journey from Ottawa to Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Ottawa to Ireland?

    Ottawa (YOW), located 10.6 km from the city centre, is the airport you fly out of when you book flights from Ottawa to Ireland.

  • How long is the flight from Ottawa to Ireland?

    WestJet and Air Canada can get you from Ottawa to Ireland in just under 11h 25m. Your travel time can differ by up to 33h. Airlines will cover a distance of 4756 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Ottawa to Ireland one-way?

    To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at C$ 327. Air Canada flights start at C$ 491 while deals on Aer Lingus start at C$ 576 one-way.

  • What are the most popular routes from Ottawa to Ireland?

    The most popular flight routes from Ottawa to Ireland are Ottawa - Dublin, Ottawa - Shannon and Ottawa - Cork.

  • Can I find deals for flights from Ottawa to Ireland that include hotel bookings?

    Yes. In addition to deals on Ottawa to Ireland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ottawa to Ireland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ottawa to Ireland.

  • Can I find deals for business class flights from Ottawa to Ireland?

    Yes. Cheapflights offers flight deals from Ottawa to Ireland 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 Ottawa to Ireland?

    Currently, May is the cheapest month in which you can book a flight from Ottawa to Ireland (average of C$ 561). Flying from Ottawa to Ireland in December is currently the most expensive (average of C$ 864). 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

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Alternative routes for Ottawa to Ireland

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Ottawa to Ireland

Discover the top 7 airlines that operate flights from Ottawa to Ireland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 23 March 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 608AverageC$ 718FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air TransatCheapestC$ 631AverageC$ 844FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapestC$ 638AverageC$ 862FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Aer LingusCheapestC$ 761AverageC$ 977FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air CanadaCheapestC$ 832AverageC$ 958FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapestC$ 851AverageC$ 951FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapestC$ 922AverageC$ 1,130FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights makes it easy to find Ottawa to Ireland flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

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 Ottawa to Ireland.

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

Need flexible booking options for your flight to Ireland from Ottawa? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes! Start tracking prices for Ottawa to Ireland flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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