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Cheap flights from Ottawa to Ireland from C$ 337

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 14/7. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — DUB
7 Mar — 14 Mar1
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 5 February 2026.

Tue 5/55:55 a.m.
YOW
-
DUB
2 stops21h 25m
WestJet
Tue 12/510:40 a.m.
DUB
-
YOW
1 stop11h 55m
WestJet
Deal found 4/2C$ 598
Sun 3/55:55 a.m.
YOW
-
DUB
2 stops21h 25m
WestJet
Thu 7/510:40 a.m.
DUB
-
YOW
1 stop11h 55m
WestJet
Deal found 4/2C$ 601
Wed 6/55:55 a.m.
YOW
-
DUB
2 stops21h 25m
WestJet
Wed 20/510:40 a.m.
DUB
-
YOW
1 stop18h 40m
WestJet
Deal found 4/2C$ 602
Sat 2/56:25 p.m.
YOW
-
DUB
2 stops32h 55m
WestJet
Fri 8/510:40 a.m.
DUB
-
YOW
1 stop11h 55m
WestJet
Deal found 4/2C$ 604
Sat 2/56:25 p.m.
YOW
-
DUB
1 stop9h 55m
WestJet
Thu 7/59:40 a.m.
DUB
-
YOW
2 stops19h 40m
WestJet
Deal found 4/2C$ 605
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 4/2C$ 606
Tue 5/56:25 p.m.
YOW
-
DUB
1 stop9h 55m
WestJet
Thu 7/510:40 a.m.
DUB
-
YOW
1 stop11h 55m
WestJet
Deal found 4/2C$ 609
Tue 19/56:25 p.m.
YOW
-
DUB
1 stop9h 55m
WestJet
Fri 12/612:15 p.m.
DUB
-
YOW
1 stop10h 20m
WestJet
Deal found 2/2C$ 613
Sat 16/56:25 p.m.
YOW
-
DUB
2 stops32h 55m
WestJet
Sun 24/510:40 a.m.
DUB
-
YOW
1 stop11h 55m
WestJet
Deal found 3/2C$ 614
Thu 16/45:50 p.m.
YOW
-
SNN
1 stop11h 25m
Air Canada
Mon 20/412:30 p.m.
SNN
-
YOW
1 stop14h 35m
Air Canada
Deal found 2/2C$ 1,193
Mon 2/33:55 p.m.
YOW
-
SNN
1 stop33h 00m
Multiple Airlines
Mon 9/37:50 a.m.
SNN
-
YOW
2 stops37h 35m
Multiple Airlines
Deal found 2/2C$ 1,312
Wed 4/29:55 p.m.
YOW
-
ORK
1 stop12h 30m
Multiple Airlines
Tue 10/25:35 p.m.
ORK
-
YOW
3 stops30h 43m
Multiple Airlines
Deal found 3/2C$ 1,359

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 5 February 2026.

Round-trip from

C$ 598

One-way from

C$ 337

Popular in

March

Cheapest in

September

Average price

C$ 1,060
WestJet
  • WestJet
  • 5/5-12/5
  • 3 total stops
  • 33h 20m total
  • Ottawa to Ireland
Search Deals
WestJet
  • WestJet
  • 14/7
  • 2 total stops
  • 21h 25m total
  • Ottawa to Ireland
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 120 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 5 February 2026.
Use the filters below to find and compare flights from Ottawa to Ireland that are best for you.

Fly from

Ottawa

Fly to

Ireland

Route

Depart

Return

Price

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Wed 6/5

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

1 stop9h 55m

Dublin

Wed 13/5

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

2 stops19h 40m

C$ 602

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Tue 19/5

5:55 a.m.-8:20 a.m.

2 stops21h 25m

Dublin

Sat 30/5

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

1 stop10h 20m

C$ 605

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Sat 16/5

6:25 p.m.-10:55 a.m.

1 stop11h 30m

Dublin

Sat 23/5

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

2 stops19h 40m

C$ 610

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Fri 12/6

5:55 a.m.-8:20 a.m.

2 stops21h 25m

Dublin

Sat 27/6

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

2 stops12h 55m

C$ 612

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Sun 24/5

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

1 stop9h 55m

Dublin

Mon 15/6

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

2 stops12h 55m

C$ 612

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Tue 5/5

5:55 a.m.-8:20 a.m.

2 stops21h 25m

Dublin

Fri 8/5

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

1 stop11h 55m

C$ 614

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Sun 3/5

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

1 stop9h 55m

Dublin

Wed 13/5

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

1 stop11h 55m

C$ 619

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Tue 23/6

6:35 p.m.-9:20 a.m.

1 stop9h 45m

Dublin

Tue 14/7

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

1 stop10h 20m

C$ 635

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Sat 18/7

6:35 p.m.-10:55 a.m.

1 stop11h 20m

Dublin

Sat 1/8

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

2 stops19h 40m

C$ 636

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Wed 6/5

5:55 a.m.-8:20 a.m.

2 stops21h 25m

Dublin

Fri 8/5

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

1 stop11h 55m

C$ 636

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/2

Showing 1-10 of 22 results
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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, September is the cheapest month in which you can book a flight from Ottawa to Ireland (average of C$ 591). Flying from Ottawa to Ireland in December is currently the most expensive (average of C$ 860). 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 5 February 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
7.9
Good
412 reviews
Check prices

Crew

8.6

Entertainment

6.9

Boarding

8.2

Food

7.5

Overall

7.9

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Porter Airlines
7.9
Good
412 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Crew

8.6

Entertainment

6.9

Boarding

8.2

Food

7.5

Overall

7.9

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air Transat
7.7
Good
502 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Crew

8.6

Entertainment

6.9

Boarding

8.2

Food

7.5

Overall

7.9

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Aer Lingus
7.2
Good
1,445 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Crew

8.6

Entertainment

6.9

Boarding

8.2

Food

7.5

Overall

7.9

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
WestJet
7.2
Good
3,255 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Crew

8.6

Entertainment

6.9

Boarding

8.2

Food

7.5

Overall

7.9

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air Canada
7.1
Good
10,688 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Crew

8.6

Entertainment

6.9

Boarding

8.2

Food

7.5

Overall

7.9

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

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 9h 55m. Your travel time can differ by up to 1h 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$ 349. Air Canada flights start at C$ 489 while deals on Aer Lingus start at C$ 573 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, September is the cheapest month in which you can book a flight from Ottawa to Ireland (average of C$ 591). Flying from Ottawa to Ireland in December is currently the most expensive (average of C$ 860). 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 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 5 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 631AverageC$ 831FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
WestJetCheapestC$ 631AverageC$ 719FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Porter AirlinesCheapestC$ 635AverageC$ 830FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Aer LingusCheapestC$ 757AverageC$ 988FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air CanadaCheapestC$ 824AverageC$ 944FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapestC$ 847AverageC$ 911FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapestC$ 918AverageC$ 1,125FlexibilityNo 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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