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Cheap flights from Ottawa to Ireland from C$ 344

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 28/8. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — DUB
26 Jul — 2 Aug1
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 26 June 2026.

Mon 10/86:25 p.m.
YOW
-
DUB
1 stop9h 55m
WestJet
Tue 25/810:40 a.m.
DUB
-
YOW
1 stop11h 55m
WestJet
Deal found 23/6C$ 675
Tue 15/96:25 p.m.
YOW
-
DUB
2 stops32h 55m
WestJet
Mon 28/99:40 a.m.
DUB
-
YOW
2 stops19h 40m
WestJet
Deal found 22/6C$ 684
Tue 13/106:25 p.m.
YOW
-
DUB
2 stops33h 15m
WestJet
Thu 22/1010:00 a.m.
DUB
-
YOW
2 stops19h 20m
WestJet
Deal found 25/6C$ 687
Tue 22/96:25 p.m.
YOW
-
DUB
2 stops32h 55m
WestJet
Tue 13/1010:10 a.m.
DUB
-
YOW
2 stops19h 10m
WestJet
Deal found 21/6C$ 690
Wed 2/96:55 a.m.
YOW
-
DUB
2 stops20h 25m
WestJet
Mon 7/99:40 a.m.
DUB
-
YOW
2 stops36h 55m
WestJet
Deal found 22/6C$ 712
Mon 24/86:25 p.m.
YOW
-
DUB
2 stops32h 55m
WestJet
Fri 4/912:15 p.m.
DUB
-
YOW
1 stop17h 05m
WestJet
Deal found 22/6C$ 714
Sat 8/86:55 a.m.
YOW
-
DUB
2 stops44h 25m
WestJet
Sat 15/89:40 a.m.
DUB
-
YOW
2 stops36h 55m
WestJet
Deal found 25/6C$ 715
Mon 10/86:55 a.m.
YOW
-
ORK
3 stops27h 40m
Multiple Airlines
Mon 17/86:15 a.m.
ORK
-
YOW
3 stops40h 20m
Multiple Airlines
Deal found 25/6C$ 1,213
Sun 13/96:00 a.m.
YOW
-
SNN
3 stops20h 30m
United Airlines
Thu 17/99:30 a.m.
SNN
-
YOW
1 stop17h 05m
United Airlines
Deal found 22/6C$ 1,346
Sun 6/910:25 a.m.
YOW
-
SNN
2 stops18h 50m
United Airlines
Thu 10/912:30 p.m.
SNN
-
YOW
2 stops16h 24m
United Airlines
Deal found 25/6C$ 1,420
Sat 8/87:00 a.m.
YOW
-
SNN
2 stops26h 55m
Multiple Airlines
Sat 15/86:40 a.m.
SNN
-
YOW
2 stops22h 40m
Multiple Airlines
Deal found 24/6C$ 1,483
Thu 3/99:05 a.m.
YOW
-
ORK
2 stops25h 05m
Air Canada
Mon 7/911:25 a.m.
ORK
-
YOW
2 stops28h 10m
Air Canada
Deal found 22/6C$ 1,592

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 26 June 2026.

Round-trip from

C$ 675

One-way from

C$ 344

Popular in

February

Cheapest in

May

Average price

C$ 880
WestJet
  • WestJet
  • 10/8-25/8
  • 2 total stops
  • 21h 50m total
  • Ottawa to Ireland
Search Deals
28/8
  • 28/8
  • 2 total stops
  • 15h 35m total
  • Ottawa to Ireland
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 139 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 26 June 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

Wed 9/9

6:55 a.m.-10:40 p.m.

2 stops34h 45m

Dublin

Sat 19/9

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

2 stops19h 40m

C$ 799

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Sat 3/10

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

1 stop9h 55m

Dublin

Sat 10/10

9:40 a.m.-5:35 p.m.

2 stops36h 55m

C$ 880

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Tue 15/9

6:25 p.m.-7:20 p.m.

3 stops19h 55m

Dublin

Mon 28/9

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

2 stops19h 40m

C$ 886

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Tue 22/9

10:50 a.m.-8:15 a.m.

2 stops16h 25m

Dublin

Fri 9/10

9:20 a.m.-8:25 a.m.

2 stops28h 05m

C$ 911

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Sun 16/8

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

2 stops20h 25m

Dublin

Wed 26/8

9:40 a.m.-5:35 p.m.

2 stops36h 55m

C$ 926

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Fri 18/9

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

1 stop14h 30m

Dublin

Mon 5/10

1:15 p.m.-8:00 p.m.

1 stop11h 45m

C$ 927

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Wed 5/8

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

1 stop21h 25m

Dublin

Tue 11/8

10:40 a.m.-8:05 a.m.

1 stop26h 25m

C$ 927
Quickest round-trip

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Sat 5/9

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

1 stop9h 35m

Dublin

Tue 15/9

1:15 p.m.-8:00 p.m.

1 stop11h 45m

C$ 933

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Fri 4/9

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

2 stops20h 25m

Dublin

Sun 13/9

10:40 a.m.-5:35 p.m.

1 stop11h 55m

C$ 938

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Thu 9/7

8:40 a.m.-11:30 a.m.

1 stop21h 50m

Dublin

Thu 13/8

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

1 stop30h 40m

C$ 940

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/6

Showing 1-10 of 26 resultsSorted by cheapest first
1
2
3

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, July is the cheapest month in which you can book a flight from Ottawa to Ireland (average of C$ 594). Flying from Ottawa to Ireland in February is currently the most expensive (average of C$ 980). 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 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 90 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.

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 26 June 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
439 reviews
Check prices

Comfort

7.9

Overall

8.0

Entertainment

6.9

Boarding

8.2

Food

7.5

Crew

8.6

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Porter Airlines
8.0
Very good
439 reviews
Porter Airlines
8.0
Very good
439 reviews
Check prices

Comfort

7.9

Overall

8.0

Entertainment

6.9

Boarding

8.2

Food

7.5

Crew

8.6

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Air Transat
7.8
Good
558 reviews
Porter Airlines
8.0
Very good
439 reviews
Check prices

Comfort

7.9

Overall

8.0

Entertainment

6.9

Boarding

8.2

Food

7.5

Crew

8.6

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Aer Lingus
7.3
Good
1,628 reviews
Porter Airlines
8.0
Very good
439 reviews
Check prices

Comfort

7.9

Overall

8.0

Entertainment

6.9

Boarding

8.2

Food

7.5

Crew

8.6

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
WestJet
7.2
Good
3,384 reviews
Porter Airlines
8.0
Very good
439 reviews
Check prices

Comfort

7.9

Overall

8.0

Entertainment

6.9

Boarding

8.2

Food

7.5

Crew

8.6

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Air Canada
7.1
Good
11,262 reviews
Porter Airlines
8.0
Very good
439 reviews
Check prices

Comfort

7.9

Overall

8.0

Entertainment

6.9

Boarding

8.2

Food

7.5

Crew

8.6

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.

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, Air Canada, and United Airlines can get you from Ottawa to Ireland in just under 9h 55m. Your travel time can differ by up to 10h 10m. 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 most popular routes from Ottawa to Ireland?

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

  • 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$ 594). Flying from Ottawa to Ireland in February is currently the most expensive (average of C$ 980). 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 26 June 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 630AverageC$ 787FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air TransatCheapestC$ 661AverageC$ 866FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapestC$ 661AverageC$ 897FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Aer LingusCheapestC$ 788AverageC$ 1,012FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air CanadaCheapestC$ 890AverageC$ 1,069FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapestC$ 917AverageC$ 1,120FlexibilityNo 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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