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Cheap flights from Ottawa to Ireland from C$ 353

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
6 Jun — 13 Jun1
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 7 May 2026.

Wed 3/66:25 p.m.
YOW
-
DUB
2 stops23h 15m
Multiple Airlines
Wed 10/69:40 a.m.
DUB
-
YOW
2 stops19h 40m
Multiple Airlines
Deal found 6/5C$ 656
Wed 10/66:55 a.m.
YOW
-
DUB
3 stops35h 05m
Multiple Airlines
Wed 17/69:40 a.m.
DUB
-
YOW
2 stops19h 40m
Multiple Airlines
Deal found 4/5C$ 664
Sun 31/56:55 a.m.
YOW
-
DUB
2 stops26h 40m
Multiple Airlines
Mon 15/69:40 a.m.
DUB
-
YOW
2 stops12h 55m
Multiple Airlines
Deal found 3/5C$ 674
Wed 3/66:25 p.m.
YOW
-
DUB
1 stop9h 55m
WestJet
Tue 16/610:10 a.m.
DUB
-
YOW
2 stops19h 10m
WestJet
Deal found 7/5C$ 679
Thu 4/66:25 p.m.
YOW
-
DUB
2 stops32h 55m
WestJet
Fri 19/610:40 a.m.
DUB
-
YOW
1 stop18h 40m
WestJet
Deal found 4/5C$ 683
Wed 10/66:55 a.m.
YOW
-
DUB
1 stop21h 25m
WestJet
Wed 17/69:40 a.m.
DUB
-
YOW
2 stops19h 40m
WestJet
Deal found 7/5C$ 685
Mon 1/66:55 a.m.
YOW
-
DUB
1 stop22h 50m
WestJet
Mon 15/69:40 a.m.
DUB
-
YOW
2 stops12h 55m
WestJet
Deal found 4/5C$ 687
Wed 3/66:25 p.m.
YOW
-
DUB
1 stop9h 55m
WestJet
Wed 10/69:40 a.m.
DUB
-
YOW
2 stops19h 40m
WestJet
Deal found 6/5C$ 697
Mon 1/66:55 a.m.
YOW
-
DUB
2 stops44h 25m
WestJet
Mon 8/69:40 a.m.
DUB
-
YOW
2 stops19h 40m
WestJet
Deal found 4/5C$ 704
Mon 6/76:25 p.m.
YOW
-
SNN
2 stops34h 10m
Multiple Airlines
Mon 13/712:40 p.m.
SNN
-
YOW
1 stop29h 00m
Multiple Airlines
Deal found 4/5C$ 1,181
Tue 7/77:40 p.m.
YOW
-
SNN
1 stop19h 40m
Multiple Airlines
Wed 15/78:10 p.m.
SNN
-
YOW
2 stops29h 30m
Multiple Airlines
Deal found 4/5C$ 1,249
Fri 3/77:40 p.m.
YOW
-
SNN
1 stop16h 40m
Multiple Airlines
Wed 15/78:10 p.m.
SNN
-
YOW
2 stops29h 30m
Multiple Airlines
Deal found 6/5C$ 1,251

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 7 May 2026.

Round-trip from

C$ 656

One-way from

C$ 353

Popular in

February

Cheapest in

May

Average price

C$ 860
WestJet
  • WestJet
  • 3/6-10/6
  • 4 total stops
  • 42h 55m 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$ 163 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 7 May 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

Sat 3/10

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

1 stop21h 25m

Dublin

Sat 10/10

11:20 a.m.-5:35 p.m.

1 stop11h 15m

C$ 849

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Mon 20/7

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

1 stop11h 55m

Dublin

Thu 30/7

1:15 p.m.-8:40 p.m.

1 stop12h 25m

C$ 915

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Thu 16/7

8:55 p.m.-11:30 a.m.

1 stop9h 35m

Dublin

Thu 30/7

1:15 p.m.-2:55 p.m.

1 stop30h 40m

C$ 915

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Sun 14/6

7:00 a.m.-11:30 a.m.

1 stop23h 30m

Dublin

Wed 17/6

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

1 stop16h 10m

C$ 917

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Mon 24/8

4:00 p.m.-11:30 a.m.

1 stop14h 30m

Dublin

Mon 31/8

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

1 stop16h 10m

C$ 945

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Wed 26/8

8:55 p.m.-11:30 a.m.

1 stop9h 35m

Dublin

Mon 7/9

1:15 p.m.-8:05 a.m.

1 stop23h 50m

C$ 947

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Wed 26/8

7:00 a.m.-11:30 a.m.

1 stop23h 30m

Dublin

Fri 4/9

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

1 stop16h 10m

C$ 1,007

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Tue 25/8

7:00 a.m.-11:30 a.m.

1 stop23h 30m

Dublin

Sun 30/8

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

1 stop16h 10m

C$ 1,007
Quickest round-trip

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Fri 17/7

8:55 p.m.-11:30 a.m.

1 stop9h 35m

Dublin

Wed 29/7

1:15 p.m.-8:40 p.m.

1 stop12h 25m

C$ 1,009

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Sun 19/7

7:00 a.m.-11:30 a.m.

1 stop23h 30m

Dublin

Wed 29/7

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

1 stop16h 10m

C$ 1,009

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/5

Showing 1-10 of 32 resultsSorted by cheapest first
1
2
3
4

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

How far ahead should I book a flight from Ottawa to Ireland?

To ensure you get the cheapest price possible for a flight from Ottawa to Ireland, you should look to book at least 31 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, July is the cheapest month in which you can book a flight from Ottawa to Ireland (average of C$ 569). Flying from Ottawa to Ireland in February is currently the most expensive (average of C$ 938). 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 7 May 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
437 reviews
Check prices

Entertainment

7.0

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.6

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
437 reviews
Porter Airlines
8.0
Very good
437 reviews
Check prices

Entertainment

7.0

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.6

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
7.8
Good
548 reviews
Porter Airlines
8.0
Very good
437 reviews
Check prices

Entertainment

7.0

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.6

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
7.3
Good
1,546 reviews
Porter Airlines
8.0
Very good
437 reviews
Check prices

Entertainment

7.0

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.6

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
3,331 reviews
Porter Airlines
8.0
Very good
437 reviews
Check prices

Entertainment

7.0

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.6

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
11,004 reviews
Porter Airlines
8.0
Very good
437 reviews
Check prices

Entertainment

7.0

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.6

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, Porter Airlines, and United Airlines can get you from Ottawa to Ireland in just under 11h 55m. Your travel time can differ by up to 9h 30m. Airlines will cover a distance of 4899 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$ 330. Air Canada flights start at C$ 487 while deals on Aer Lingus start at C$ 571 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, July is the cheapest month in which you can book a flight from Ottawa to Ireland (average of C$ 569). Flying from Ottawa to Ireland in February is currently the most expensive (average of C$ 938). 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

Browse thousands of different options on Cheapflights for your next trip

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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 6 airlines flying from Ottawa to Ireland

Discover the top 6 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 7 May 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 606AverageC$ 747FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air TransatCheapestC$ 627AverageC$ 841FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapestC$ 633AverageC$ 856FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Aer LingusCheapestC$ 755AverageC$ 969FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air CanadaCheapestC$ 831AverageC$ 976FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapestC$ 845AverageC$ 1,056FlexibilityNo cancel feeOn-time76%
Search Lufthansa 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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