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Cheap flights from Ireland to Ottawa from £425

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/8. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — YOW
24 Aug — 31 Aug1
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 25 July 2026.

Thu 20/810:00
DUB
-
YOW
2 stops36h 35m
Multiple Airlines
Thu 27/818:25
YOW
-
DUB
2 stops23h 35m
Multiple Airlines
Deal found 23/7£425
Mon 24/809:40
DUB
-
YOW
2 stops19h 40m
WestJet
Fri 28/806:55
YOW
-
DUB
1 stop23h 00m
WestJet
Deal found 20/7£449
Thu 3/913:15
DUB
-
YOW
1 stop13h 05m
Air Transat
Thu 10/916:00
YOW
-
DUB
1 stop14h 30m
Air Transat
Deal found 21/7£475
Thu 3/907:50
DUB
-
YOW
2 stops18h 30m
Multiple Airlines
Thu 10/916:00
YOW
-
DUB
2 stops26h 25m
Multiple Airlines
Deal found 21/7£485
Thu 20/813:15
DUB
-
YOW
1 stop16h 10m
Air Transat
Thu 27/820:55
YOW
-
DUB
1 stop9h 35m
Air Transat
Deal found 23/7£505
Mon 24/813:15
DUB
-
YOW
1 stop13h 05m
Air Transat
Fri 28/820:55
YOW
-
DUB
1 stop9h 35m
Air Transat
Deal found 20/7£522
Fri 28/808:50
DUB
-
YOW
2 stops12h 48m
United Airlines
Thu 10/919:34
YOW
-
DUB
1 stop10h 06m
United Airlines
Deal found 24/7£594
Mon 7/908:50
DUB
-
YOW
1 stop10h 27m
United Airlines
Mon 14/914:52
YOW
-
DUB
1 stop11h 28m
United Airlines
Deal found 24/7£596

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 25 July 2026.

Round-trip from

£425

Popular in

June

Cheapest in

March

Average price

£604
20/8-27/8
  • 20/8-27/8
  • 4 total stops
  • 60h 10m total
  • Ireland to Ottawa
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£28 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 25 July 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

Thu 20/8

10:00-17:35

2 stops36h 35m

Ottawa

Thu 27/8

18:25-23:00

2 stops23h 35m

£425

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Mon 24/8

09:40-00:20

2 stops19h 40m

Ottawa

Fri 28/8

06:55-10:55

1 stop23h 00m

£449

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Thu 3/9

13:15-21:20

1 stop13h 05m

Ottawa

Thu 10/9

16:00-11:30

1 stop14h 30m

£475

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Thu 3/9

09:40-00:20

2 stops19h 40m

Ottawa

Thu 10/9

06:55-09:20

1 stop21h 25m

£485

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Mon 24/8

13:15-21:20

1 stop13h 05m

Ottawa

Fri 28/8

20:55-11:30

1 stop9h 35m

£522
Fastest return journey

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Fri 28/8

08:50-14:17

1 stop10h 27m

Ottawa

Thu 10/9

14:52-07:20

1 stop11h 28m

£594
Cheapest one-way
Fastest single journey

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Wed 28/10

10:40-14:09

1 stop31h 29m

£466

Flights are sorted by cheapest return flights first.

Deals found on 23/7

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, March is the cheapest month in which you can book a flight from Ireland to Ottawa (average of £419). Flying from Ireland to Ottawa in June is currently the most expensive (average of £659). 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 25 July 2026.
Read reviews from past customers who have flown with Air Transat and 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 Transat
7.8
Good
566 reviews
Check prices

Crew

8.5

Comfort

7.3

Overall

7.8

Food

6.8

Boarding

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Air Transat
7.8
Good
566 reviews
Air Transat
7.8
Good
566 reviews
Check prices

Crew

8.5

Comfort

7.3

Overall

7.8

Food

6.8

Boarding

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Air Canada
7.1
Good
11,383 reviews
Air Transat
7.8
Good
566 reviews
Check prices

Crew

8.5

Comfort

7.3

Overall

7.8

Food

6.8

Boarding

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.

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 and Air Transat fly from Ireland to Ottawa in about 13h 05m. The time it takes to get you to your destination can typically vary by up to 6h 35m. Ireland and Ottawa are separated by a distance of 3044 mi. This flight may include one or multiple stops.

  • 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, March is the cheapest month in which you can book a flight from Ireland to Ottawa (average of £419). Flying from Ireland to Ottawa in June is currently the most expensive (average of £659). 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
Gatineau
Brockville
Smiths Falls

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Alternative routes for Ireland to Ottawa

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Ireland to Ottawa

Discover the top 2 airlines 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 25 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£453Average£499FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air TransatCheapest£464Average£485FlexibilityNo cancel feeOn-time50%
Search Air Transat flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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