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Cheap flights from Ottawa to Ireland from C$ 440

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 1/2. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — DUB
17 Jan — 24 Jan1
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 18 December 2025.

Mon 22/128:25 p.m.YOW - DUB
1 stop29h 45mAir Canada
Mon 29/129:00 a.m.DUB - YOW
1 stop15h 18mAir Canada
Deal found 17/12C$ 1,757
Mon 22/128:25 p.m.YOW - DUB
1 stop29h 45mMultiple Airlines
Mon 29/125:10 a.m.DUB - YOW
2 stops22h 58mMultiple Airlines
Deal found 16/12C$ 1,772
Wed 17/128:55 p.m.YOW - DUB
2 stops32h 20mMultiple Airlines
Fri 1/512:15 p.m.DUB - YOW
2 stops35h 07mMultiple Airlines
Deal found 16/12C$ 1,776
Thu 25/126:00 a.m.YOW - DUB
1 stop20h 30mAir Canada
Mon 5/17:45 p.m.DUB - YOW
2 stops25h 45mAir Canada
Deal found 16/12C$ 1,799
Thu 25/126:15 a.m.YOW - DUB
1 stop20h 55mMultiple Airlines
Mon 5/16:30 p.m.DUB - YOW
2 stops24h 51mMultiple Airlines
Deal found 16/12C$ 1,856

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 18 December 2025.

Round-trip from

C$ 643

One-way from

C$ 440

Popular in

March

Cheapest in

September

Average price

C$ 1,057
Air Transat
  • Air Transat
  • 16/5-24/5
  • 2 total stops
  • 32h 16m total
  • Ottawa to Ireland
Search Deals
1/2
  • 1/2
  • 3 total stops
  • 48h 25m total
  • Ottawa to Ireland
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 101 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease (C$ 12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 18 December 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

Sat 16/5

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

1 stop23h 30m

Dublin

Sun 24/5

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

1 stop16h 06m

C$ 645

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Sat 16/5

11:20 a.m.-11:30 a.m.

1 stop19h 10m

Dublin

Sat 23/5

1:15 p.m.-8:01 p.m.

1 stop11h 46m

C$ 645

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Thu 7/5

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

1 stop23h 30m

Dublin

Mon 25/5

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

1 stop23h 50m

C$ 645

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Sun 3/5

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

1 stop13h 25m

Dublin

Sun 24/5

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

1 stop16h 06m

C$ 656

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Sat 2/5

2:20 p.m.-11:30 a.m.

1 stop16h 10m

Dublin

Sun 24/5

1:15 p.m.-8:01 p.m.

1 stop11h 46m

C$ 656

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Sat 2/5

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

1 stop13h 25m

Dublin

Wed 20/5

1:15 p.m.-8:01 p.m.

1 stop11h 46m

C$ 656

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Tue 5/5

2:20 p.m.-11:30 a.m.

1 stop16h 10m

Dublin

Wed 20/5

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

1 stop16h 06m

C$ 656

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Sun 3/5

2:20 p.m.-11:30 a.m.

1 stop16h 10m

Dublin

Wed 20/5

1:15 p.m.-8:01 p.m.

1 stop11h 46m

C$ 656

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Tue 5/5

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

1 stop13h 25m

Dublin

Sun 24/5

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

1 stop16h 06m

C$ 656

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Sat 2/5

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

1 stop13h 25m

Dublin

Sat 23/5

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

1 stop23h 50m

C$ 656

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/12

Showing 1-10 of 23 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$ 594). Flying from Ottawa to Ireland in December is currently the most expensive (average of C$ 868). 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 18 December 2025.

A simple way to save on the total cost of your ticket is to fly from Ottawa to Ireland in the afternoon. If you’re flexible enough to do this you can expect to save up to 13% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from Ottawa to Ireland?

Use this chart to determine the cheapest time to fly round-trip from Ottawa to Ireland. Price data was last updated on 16 December 2024.

Travelers seeking maximum savings on their Ottawa to Ireland flight should consider departing on Saturday evenings when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 18 December 2025.
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
399 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.6

Overall

8.0

Entertainment

7.0

Crew

8.6

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
8.0
Very good
399 reviews
Porter Airlines
8.0
Very good
399 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.6

Overall

8.0

Entertainment

7.0

Crew

8.6

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
7.8
Good
483 reviews
Porter Airlines
8.0
Very good
399 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.6

Overall

8.0

Entertainment

7.0

Crew

8.6

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
1,395 reviews
Porter Airlines
8.0
Very good
399 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.6

Overall

8.0

Entertainment

7.0

Crew

8.6

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
3,204 reviews
Porter Airlines
8.0
Very good
399 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.6

Overall

8.0

Entertainment

7.0

Crew

8.6

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
10,534 reviews
Porter Airlines
8.0
Very good
399 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.6

Overall

8.0

Entertainment

7.0

Crew

8.6

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?

    Air Transat and Air Canada can get you from Ottawa to Ireland in just under 13h 50m. Your travel time can differ by up to 9h 40m. Airlines will cover a distance of 4756 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$ 352. Air Canada flights start at C$ 493 while deals on Aer Lingus start at C$ 641 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 - 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, September 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 December is currently the most expensive (average of C$ 868). 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 18 December 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 631AverageC$ 774FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air TransatCheapestC$ 637AverageC$ 840FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapestC$ 641AverageC$ 841FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Aer LingusCheapestC$ 764AverageC$ 1,001FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air CanadaCheapestC$ 836AverageC$ 978FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapestC$ 855AverageC$ 920FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air FranceCheapestC$ 878AverageC$ 1,111FlexibilityNo cancel feeOn-time77%
Search Air France flights
United AirlinesCheapestC$ 926AverageC$ 1,135FlexibilityNo 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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