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Cheap flights from Ottawa to Ireland from C$ 342

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 4/10. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — DUB
3 Aug — 10 Aug1
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 29 July 2025.

Round-trip from

C$ 722

One-way from

C$ 342

Popular in

December

Cheapest in

August

Average price

C$ 915
24/9-8/10
  • 24/9-8/10
  • 2 total stops
  • 40h 42m total
  • Ottawa to Ireland
Search Deals
4/10
  • 4/10
  • 1 total stop
  • 24h 35m total
  • Ottawa to Ireland
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 142 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 29 July 2025.

Wed 24/95:55 a.m.YOW - DUB
1 stop24h 35mMultiple Airlines
Wed 8/101:15 p.m.DUB - YOW
1 stop16h 07mMultiple Airlines
Deal found 28/7C$ 722
Thu 11/98:55 p.m.YOW - DUB
1 stop29h 50mAir Canada
Thu 18/99:20 a.m.DUB - YOW
2 stops15h 57mAir Canada
Deal found 28/7C$ 820
Sun 17/88:55 p.m.YOW - DUB
1 stop29h 50mLufthansa
Thu 4/99:20 a.m.DUB - YOW
1 stop17h 44mLufthansa
Deal found 27/7C$ 863
Wed 20/82:20 p.m.YOW - DUB
1 stop16h 10mPorter Airlines
Wed 27/81:15 p.m.DUB - YOW
1 stop16h 06mPorter Airlines
Deal found 27/7C$ 894
Tue 14/101:55 p.m.YOW - DUB
1 stop10h 00mAer Lingus
Tue 21/101:15 p.m.DUB - YOW
1 stop12h 54mAer Lingus
Deal found 28/7C$ 941
Tue 5/86:33 a.m.YOW - DUB
2 stops22h 47mUnited Airlines
Tue 12/88:50 a.m.DUB - YOW
2 stops18h 15mUnited Airlines
Deal found 29/7C$ 948
Tue 26/810:37 a.m.YOW - SNN
1 stop15h 53mUnited Airlines
Tue 2/99:30 a.m.SNN - YOW
1 stop17h 05mUnited Airlines
Deal found 27/7C$ 1,104
Mon 25/86:55 p.m.YOW - ORK
1 stop23h 50mMultiple Airlines
Mon 1/98:30 p.m.ORK - YOW
2 stops31h 34mMultiple Airlines
Deal found 28/7C$ 1,327

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 29 July 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

Wed 24/9

5:55 a.m.-11:30 a.m.

1 stop24h 35m

Dublin

Wed 8/10

1:15 p.m.-12:22 a.m.

1 stop16h 07m

C$ 722

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Thu 11/9

8:55 p.m.-7:45 a.m.

1 stop29h 50m

Dublin

Thu 18/9

9:20 a.m.-8:17 p.m.

2 stops15h 57m

C$ 820

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Sun 17/8

8:55 p.m.-7:45 a.m.

1 stop29h 50m

Dublin

Thu 4/9

9:20 a.m.-10:04 p.m.

1 stop17h 44m

C$ 863

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Wed 20/8

5:05 p.m.-11:30 a.m.

1 stop13h 25m

Dublin

Wed 27/8

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

1 stop26h 06m

C$ 879

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Tue 14/10

1:55 p.m.-4:55 a.m.

1 stop10h 00m

Dublin

Tue 21/10

1:15 p.m.-9:09 p.m.

1 stop12h 54m

C$ 941

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Tue 5/8

6:33 a.m.-10:20 a.m.

2 stops22h 47m

Dublin

Tue 12/8

8:50 a.m.-10:05 p.m.

2 stops18h 15m

C$ 948

OttawaShannon

YOW - SNN

YOWSNN

Ottawa

Tue 26/8

10:37 a.m.-7:30 a.m.

1 stop15h 53m

Shannon

Tue 2/9

9:30 a.m.-9:35 p.m.

1 stop17h 05m

C$ 1,104

OttawaCork

YOW - ORK

YOWORK

Ottawa

Mon 25/8

6:55 p.m.-11:45 p.m.

1 stop23h 50m

Cork

Mon 1/9

8:30 p.m.-11:04 p.m.

2 stops31h 34m

C$ 1,327

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Sat 4/10

5:55 a.m.-11:30 a.m.

1 stop24h 35m

C$ 342

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Thu 16/10

5:55 a.m.-10:50 a.m.

3 stops23h 55m

C$ 390

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/7

Showing 1-10 of 11 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 29 July 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.

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 29 July 2025.
Read reviews from past customers who have flown Porter Airlines,United Airlines, andWestJet 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
317 reviews
Check prices

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Crew

8.7

Food

7.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Porter Airlines
8.0
Very good
317 reviews
Porter Airlines
8.0
Very good
317 reviews
Check prices

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Crew

8.7

Food

7.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
United Airlines
7.4
Good
8,899 reviews
Porter Airlines
8.0
Very good
317 reviews
Check prices

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Crew

8.7

Food

7.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
WestJet
7.2
Good
2,973 reviews
Porter Airlines
8.0
Very good
317 reviews
Check prices

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Crew

8.7

Food

7.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Air Canada
7.1
Good
9,822 reviews
Porter Airlines
8.0
Very good
317 reviews
Check prices

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Crew

8.7

Food

7.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Aer Lingus
7.1
Good
1,190 reviews
Porter Airlines
8.0
Very good
317 reviews
Check prices

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Crew

8.7

Food

7.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

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

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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 29 July 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 627AverageC$ 851FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Aer LingusCheapestC$ 688AverageC$ 913FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air TransatCheapestC$ 714AverageC$ 840FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapestC$ 817AverageC$ 859FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 834AverageC$ 1,182FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapestC$ 853AverageC$ 1,121FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air FranceCheapestC$ 884AverageC$ 1,144FlexibilityNo cancel feeOn-time77%
Search Air France flights
United AirlinesCheapestC$ 922AverageC$ 1,057FlexibilityNo 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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