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Cheap flights from Ottawa to Ireland from C$ 303

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 23/5. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — DUB
20 Apr — 27 Apr1
1 adult

Cheap flight deals from Ottawa to Ireland

Keep the following information in mind while searching for Ottawa to Ireland flight deals. Data was last updated 15 April 2025.

Round-trip from

C$ 865

One-way from

C$ 375

Popular in

December

Cheapest in

October

Average price

C$ 1,103
Air Transat
  • Air Transat
  • 7/7-17/7
  • 2 total stops
  • 49h 36m total
  • Ottawa to Ireland
Search Deals
30/5
  • 30/5
  • 2 total stops
  • 37h 45m total
  • Ottawa to Ireland
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 94 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Ottawa to Ireland

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 15 April 2025.

Mon 7/77:00 a.m.YOW - DUB
1 stop23h 30mAir Transat
Thu 17/71:15 p.m.DUB - YOW
1 stop26h 06mAir Transat
Deal found 14/4C$ 865
Sun 22/66:40 p.m.YOW - DUB
1 stop8h 05mAir Canada
Thu 3/79:20 a.m.DUB - YOW
1 stop9h 24mAir Canada
Deal found 14/4C$ 868
Sun 7/98:55 p.m.YOW - DUB
1 stop29h 50mLufthansa
Tue 16/99:20 a.m.DUB - YOW
1 stop17h 44mLufthansa
Deal found 14/4C$ 870
Mon 28/44:55 p.m.YOW - DUB
2 stops22h 05mMultiple Airlines
Mon 5/511:30 a.m.DUB - YOW
1 stop17h 52mMultiple Airlines
Deal found 13/4C$ 880
Mon 11/85:05 p.m.YOW - DUB
1 stop13h 25mPorter Airlines
Sun 24/81:15 p.m.DUB - YOW
1 stop16h 06mPorter Airlines
Deal found 15/4C$ 882
Sat 26/75:55 a.m.YOW - DUB
1 stop23h 05mWestJet
Sun 3/811:30 a.m.DUB - YOW
1 stop17h 52mWestJet
Deal found 14/4C$ 908
Thu 29/51:55 p.m.YOW - DUB
2 stops37h 00mSWISS
Thu 5/61:00 p.m.DUB - YOW
2 stops57h 04mSWISS
Deal found 14/4C$ 943
Mon 23/66:40 a.m.YOW - DUB
2 stops19h 30mUnited Airlines
Thu 3/78:50 a.m.DUB - YOW
2 stops17h 45mUnited Airlines
Deal found 14/4C$ 958
Fri 7/119:10 a.m.YOW - DUB
1 stop15h 05mAer Lingus
Wed 19/111:05 p.m.DUB - YOW
1 stop11h 12mAer Lingus
Deal found 14/4C$ 979
Mon 28/45:15 p.m.YOW - DUB
1 stop10h 00mAir France
Mon 5/56:00 a.m.DUB - YOW
1 stop14h 05mAir France
Deal found 13/4C$ 1,169
Fri 30/52:10 p.m.YOW - ORK
2 stops28h 20mMultiple Airlines
Fri 6/63:15 p.m.ORK - YOW
3 stops44h 30mMultiple Airlines
Deal found 15/4C$ 1,253
Mon 19/56:55 p.m.YOW - ORK
1 stop10h 50mAir Canada
Sun 25/58:30 p.m.ORK - YOW
1 stop25h 05mAir Canada
Deal found 15/4C$ 1,257

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 15 April 2025.
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

Mon 7/7

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

1 stop23h 30m

Dublin

Thu 17/7

1:15 p.m.-10:21 a.m.

1 stop26h 06m

C$ 865

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Sun 22/6

6:40 p.m.-7:45 a.m.

1 stop8h 05m

Dublin

Thu 3/7

9:20 a.m.-1:44 p.m.

1 stop9h 24m

C$ 868

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Sun 22/6

6:40 p.m.-7:45 a.m.

1 stop8h 05m

Dublin

Tue 1/7

9:20 a.m.-10:05 p.m.

1 stop17h 45m

C$ 870

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Mon 28/4

4:55 p.m.-8:00 p.m.

2 stops22h 05m

Dublin

Mon 5/5

11:30 a.m.-12:22 a.m.

1 stop17h 52m

C$ 880

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Mon 2/6

5:55 a.m.-10:00 a.m.

1 stop23h 05m

Dublin

Thu 5/6

11:30 a.m.-12:22 a.m.

1 stop17h 52m

C$ 939

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Thu 29/5

1:55 p.m.-7:55 a.m.

2 stops37h 00m

Dublin

Thu 5/6

1:00 p.m.-5:04 p.m.

2 stops57h 04m

C$ 943

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Thu 1/5

4:40 p.m.-11:30 a.m.

1 stop13h 50m

Dublin

Sun 11/5

1:15 p.m.-12:21 a.m.

1 stop16h 06m

C$ 944

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Wed 7/5

2:45 p.m.-10:20 a.m.

1 stop14h 35m

Dublin

Mon 26/5

8:50 a.m.-10:09 p.m.

2 stops18h 19m

C$ 957

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Mon 28/4

5:15 p.m.-8:15 a.m.

1 stop10h 00m

Dublin

Mon 5/5

6:00 a.m.-3:05 p.m.

1 stop14h 05m

C$ 1,169

OttawaCork

YOW - ORK

YOWORK

Ottawa

Fri 30/5

2:10 p.m.-11:30 p.m.

2 stops28h 20m

Cork

Fri 6/6

3:15 p.m.-6:45 a.m.

3 stops44h 30m

C$ 1,253

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/4

Showing 1-10 of 16 results
1
2

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, January is the cheapest month in which you can book a flight from Ottawa to Ireland (average of C$ 458). Flying from Ottawa to Ireland in December is currently the most expensive (average of C$ 760). 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.

What is the cheapest time of day to fly from YOW to IE?

Find hourly flight availability from Ottawa to Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 April 2025.

When flying from Ottawa to Ireland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Ireland by month

Plan your trip to Ireland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ireland ranges from 49.0 - 79.0 mm per month. October is typically the wettest month, when rainfall can reach 79.0 mm. February is typically the driest time to visit Ireland when rainfall is around 49.0 mm.

Temperature in Ireland by month

Plan your trip to Ireland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ireland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

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 15 April 2025.
Peruse reviews from past customers who have flown with Porter Airlines, Delta and KLM from Ottawa to Ireland to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
281 reviews
Check prices

Food

7.6

Comfort

8.0

Overall

8.0

Entertainment

7.0

Boarding

8.2

Crew

8.7

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
Porter Airlines
8.0
Very good
281 reviews
Porter Airlines
8.0
Very good
281 reviews
Check prices

Food

7.6

Comfort

8.0

Overall

8.0

Entertainment

7.0

Boarding

8.2

Crew

8.7

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
Delta
8.0
Very good
7,917 reviews
Porter Airlines
8.0
Very good
281 reviews
Check prices

Food

7.6

Comfort

8.0

Overall

8.0

Entertainment

7.0

Boarding

8.2

Crew

8.7

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
KLM
7.8
Good
1,323 reviews
Porter Airlines
8.0
Very good
281 reviews
Check prices

Food

7.6

Comfort

8.0

Overall

8.0

Entertainment

7.0

Boarding

8.2

Crew

8.7

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
Air Transat
7.8
Good
385 reviews
Porter Airlines
8.0
Very good
281 reviews
Check prices

Food

7.6

Comfort

8.0

Overall

8.0

Entertainment

7.0

Boarding

8.2

Crew

8.7

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
Air France
7.5
Good
1,435 reviews
Porter Airlines
8.0
Very good
281 reviews
Check prices

Food

7.6

Comfort

8.0

Overall

8.0

Entertainment

7.0

Boarding

8.2

Crew

8.7

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?

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.

  • 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, January is the cheapest month in which you can book a flight from Ottawa to Ireland (average of C$ 458). Flying from Ottawa to Ireland in December is currently the most expensive (average of C$ 760). 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 8 airlines flying from Ottawa to Ireland

Discover the top 8 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 15 April 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 635AverageC$ 735FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Aer LingusCheapestC$ 697AverageC$ 919FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air TransatCheapestC$ 738AverageC$ 874FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapestC$ 828AverageC$ 852FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 844AverageC$ 1,285FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air FranceCheapestC$ 897AverageC$ 1,174FlexibilityNo cancel feeOn-time77%
Search Air France flights
LufthansaCheapestC$ 901AverageC$ 1,237FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapestC$ 935AverageC$ 1,213FlexibilityNo 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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