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Cheap flights from Ireland to Ottawa from £410

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 29/1. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — YOW
7 Sep — 14 Sep1
1 adult

Cheap flight deals from Ireland to Ottawa

Keep the following information in mind while searching for Ireland to Ottawa flight deals. Data was last updated 2 September 2025.

Round-trip from

£431

One-way from

£410

Popular in

August

Cheapest in

September

Average price

£454
Aer Lingus
  • Aer Lingus
  • 7/2-13/2
  • 2 total stops
  • 25h 18m total
  • Ireland to Ottawa
Search Deals
United Airlines
  • United Airlines
  • 30/1
  • 1 total stop
  • 12h 00m total
  • Ireland to Ottawa
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£14 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Ireland to Ottawa

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 2 September 2025.

Sun 28/908:50DUB - YOW
2 stops18h 15mUnited Airlines
Sun 5/1014:48YOW - DUB
2 stops14h 32mUnited Airlines
Deal found 31/8£496

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 2 September 2025.
Use the filters below to find and compare flights from Ireland to Ottawa that are best for you.

Fly from

Ireland

Fly to

Ottawa

Route

Depart

Return

Price

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Sat 7/2

13:00-19:18

1 stop11h 18m

Ottawa

Fri 13/2

10:15-05:15

1 stop14h 00m

£431

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Sun 28/9

08:50-22:05

2 stops18h 15m

Ottawa

Sun 5/10

14:48-10:20

2 stops14h 32m

£496

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Sat 7/2

05:10-14:08

2 stops13h 58m

Ottawa

Sat 14/2

16:10-07:10

1 stop10h 00m

£1,351

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Sat 7/2

05:10-14:08

2 stops13h 58m

Ottawa

Sat 14/2

10:50-07:10

2 stops15h 20m

£1,361

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Sat 7/2

10:40-21:18

1 stop15h 38m

Ottawa

Sat 14/2

14:05-07:10

1 stop12h 05m

£1,365

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Fri 30/1

09:30-16:30

1 stop12h 00m

£410

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Thu 29/1

10:40-21:18

1 stop15h 38m

£410

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Tue 3/2

10:40-21:18

1 stop15h 38m

£410

Flights are sorted by cheapest return flights first.

Deals found on 1/9

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, January is the cheapest month in which you can book a flight from Ireland to Ottawa (average of £588). Flying from Ireland to Ottawa in December is currently the most expensive (average of £875). 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.

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 2 September 2025.
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
7.7
Good
434 reviews
Check prices

Entertainment

7.0

Boarding

7.9

Food

6.7

Overall

7.7

Crew

8.5

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.
Air Transat
7.7
Good
434 reviews
Air Transat
7.7
Good
434 reviews
Check prices

Entertainment

7.0

Boarding

7.9

Food

6.7

Overall

7.7

Crew

8.5

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.
Air Canada
7.1
Good
10,000 reviews
Air Transat
7.7
Good
434 reviews
Check prices

Entertainment

7.0

Boarding

7.9

Food

6.7

Overall

7.7

Crew

8.5

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.

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 United Airlines fly from Ireland to Ottawa in about 18h 15m. 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, January is the cheapest month in which you can book a flight from Ireland to Ottawa (average of £588). Flying from Ireland to Ottawa in December is currently the most expensive (average of £875). 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
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 2 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapest£370Average£409FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapest£431Average£503FlexibilityNo 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.

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