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Cheap flights from Ireland to Ottawa from £344

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/5. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — YOW
1 May — 8 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ireland to Ottawa

Enter your travel dates to find the best prices.

Cheapest flights from Ireland to Ottawa
Explore the most affordable flight options available from Ireland to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 April 2026.

Wed 13/509:40
DUB
-
YOW
2 stops19h 40m
Multiple Airlines
Wed 20/518:25
YOW
-
DUB
2 stops23h 15m
Multiple Airlines
Deal found 29/3£344
Mon 6/709:40
DUB
-
YOW
2 stops19h 40m
WestJet
Mon 20/706:55
YOW
-
DUB
2 stops20h 45m
WestJet
Deal found 31/3£431
Tue 28/410:40
DUB
-
YOW
1 stop18h 40m
Multiple Airlines
Tue 5/511:00
YOW
-
DUB
2 stops16h 20m
Multiple Airlines
Deal found 31/3£446
Sat 20/613:15
DUB
-
YOW
1 stop16h 05m
Multiple Airlines
Sun 30/806:55
YOW
-
DUB
1 stop21h 25m
Multiple Airlines
Deal found 29/3£459
Mon 6/713:15
DUB
-
YOW
1 stop16h 10m
Air Transat
Mon 20/720:55
YOW
-
DUB
1 stop9h 35m
Air Transat
Deal found 31/3£464

Find flight deals from Ireland to Ottawa

Keep the following information in mind while searching for Ireland to Ottawa flight deals. Data was last updated 1 April 2026.

Round-trip from

£344

Popular in

August

Cheapest in

February

Average price

£582
13/5-20/5
  • 13/5-20/5
  • 4 total stops
  • 42h 55m total
  • Ireland to Ottawa
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£15 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Ireland to Ottawa 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 858,174 searches. Data last updated 1 April 2026.
Use the filters below to find and compare flights from Ireland to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Wed 13/5

09:40-00:20

2 stops19h 40m

Ottawa

Wed 20/5

06:55-23:20

3 stops35h 25m

£374

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Mon 6/7

09:40-00:20

2 stops43h 40m

Ottawa

Mon 20/7

06:55-08:40

2 stops20h 45m

£440

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Tue 28/4

10:40-00:20

1 stop18h 40m

Ottawa

Tue 5/5

18:25-11:30

1 stop12h 05m

£480
Fastest return journey

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Thu 7/5

09:30-16:38

1 stop12h 08m

Ottawa

Sat 23/5

17:50-11:10

1 stop12h 20m

£600

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Fri 8/5

09:30-18:55

2 stops14h 25m

Ottawa

Sat 23/5

17:50-11:10

1 stop12h 20m

£602

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Mon 6/7

21:50-08:05

3 stops39h 15m

Ottawa

Mon 20/7

06:55-08:40

2 stops20h 45m

£608

Flights are sorted by cheapest return flights first.

Deals found on 29/3

Sorted by cheapest first

Best time to book a flight from Ireland to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from Ireland with our price prediction graph.
Estimated return 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 Ireland to Ottawa

What is the cheapest month to book a flight from Ireland to Ottawa?

Currently, May is the cheapest month in which you can book a flight from Ireland to Ottawa (average of £378). Flying from Ireland to Ottawa in January is currently the most expensive (average of £536). 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 often are flights from Ireland to Ottawa delayed?

About 100% of weekly flights between Ireland and Ottawa have experienced delays in the past year, with the average delay time being 104 minutes.

What is the most punctual flight time for Ireland to Ottawa flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.

Reviews of airlines servicing Ottawa

Get insights into the airlines that provide service to Ottawa. 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 Ottawa. Reviews last updated 1 April 2026.
Read reviews from past customers who have flown with Air Canada from Ireland to Ottawa. 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.
Air Canada
7.1
Good
10,872 reviews
Check prices

Entertainment

6.8

Crew

7.8

Food

6.3

Comfort

7.1

Overall

7.1

Boarding

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

YXE - YYZ

We were over three hours delayed leaving Saskatoon and missed our connection to Montreal. We were then rerouted all the way to Zurich. We were over seven hours late getting to our final destination. Then our luggage was lost for lost for three days. All three flights were delayed and our trip was definitely impacted.
Air Canada
7.1
Good
10,872 reviews
Air Canada
7.1
Good
10,872 reviews
Check prices

Entertainment

6.8

Crew

7.8

Food

6.3

Comfort

7.1

Overall

7.1

Boarding

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

YXE - YYZ

We were over three hours delayed leaving Saskatoon and missed our connection to Montreal. We were then rerouted all the way to Zurich. We were over seven hours late getting to our final destination. Then our luggage was lost for lost for three days. All three flights were delayed and our trip was definitely impacted.

Related info for your journey

Find useful and relevant information for your journey from Ireland to Ottawa. 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 into for flights to Ottawa from Ireland?

    Located just 6.6 mi from the city center, Ottawa (YOW) is the airport most travelers will use when flying to Ottawa from Ireland.

  • How long is the flight from Ireland to Ottawa?

    Airlines like WestJet fly from Ireland to Ottawa in about 43h 40m. The time it takes to get you to your destination can typically vary by up to . Ireland and Ottawa are separated by a distance of 3044 mi.

  • Can I find deals for flights from Ireland to Ottawa that include hotel bookings?

    Yes. In addition to deals on Ireland to Ottawa flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Ireland to Ottawa?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to Ottawa.

  • Can I find deals for business class flights from Ireland to Ottawa?

    Yes. Cheapflights offers flight deals from Ireland to Ottawa 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 Ireland to Ottawa?

    Currently, May is the cheapest month in which you can book a flight from Ireland to Ottawa (average of £378). Flying from Ireland to Ottawa in January is currently the most expensive (average of £536). 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

Travelling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Brockville
Smiths Falls

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Alternative routes for Ireland to Ottawa

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Top airline flying from Ireland to Ottawa

Discover the top airline that operate flights from Ireland to Ottawa. 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 858,174 searches. Data last updated 1 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£434Average£525FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Ireland to Ottawa?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Ottawa from Ireland today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Ireland to Ottawa?

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 Ireland to Ottawa.

Can Cheapflights find flights from Ireland to Ottawa with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Ireland to Ottawa flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Ireland to Ottawa become cheaper?

Of course! You can now track prices for flights from Ireland to Ottawa and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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