Find flights
When to book
Airlines
FAQs

Cheap flights from Ireland to Ottawa from £414

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 30/12. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — YOW
27 Nov — 4 Dec1
1 adult
1 adult, Economy, 0 bags

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 28 October 2025.

Round-trip from

£497

One-way from

£414

Popular in

August

Cheapest in

September

Average price

£575
United Airlines
  • United Airlines
  • 18/12-30/12
  • 4 total stops
  • 29h 59m total
  • Ireland to Ottawa
Search Deals
United Airlines
  • United Airlines
  • 30/12
  • 2 total stops
  • 34h 13m total
  • Ireland to Ottawa
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£9 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Find 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 28 October 2025.

Thu 18/1213:35DUB - YOW
2 stops15h 19mUnited Airlines
Wed 31/1214:15YOW - DUB
2 stops12h 15mUnited Airlines
Deal found 26/10£497
Fri 21/1113:35DUB - YOW
1 stop13h 21mUnited Airlines
Sat 6/1215:10YOW - DUB
2 stops14h 10mUnited Airlines
Deal found 26/10£498
Fri 19/1212:05DUB - YOW
1 stop16h 49mUnited Airlines
Tue 30/1215:10YOW - DUB
1 stop11h 20mUnited Airlines
Deal found 26/10£519
Fri 7/1113:35DUB - YOW
2 stops15h 19mUnited Airlines
Sat 22/1114:15YOW - DUB
2 stops14h 40mUnited Airlines
Deal found 27/10£520
Fri 19/1212:05DUB - YOW
1 stop16h 49mUnited Airlines
Fri 2/112:00YOW - DUB
2 stops17h 20mUnited Airlines
Deal found 26/10£524
Fri 19/1212:05DUB - YOW
1 stop16h 49mUnited Airlines
Wed 31/1219:27YOW - DUB
1 stop9h 53mUnited Airlines
Deal found 27/10£533
Fri 19/1209:30DUB - YOW
2 stops19h 24mUnited Airlines
Thu 1/105:00YOW - DUB
2 stops22h 10mUnited Airlines
Deal found 26/10£551

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 28 October 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

Fri 19/12

12:05-23:54

1 stop16h 49m

Ottawa

Sat 3/1

17:59-09:55

1 stop10h 56m

£497

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Fri 19/12

12:05-23:54

1 stop16h 49m

Ottawa

Wed 31/12

14:15-09:55

2 stops14h 40m

£497

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Thu 18/12

13:35-23:54

2 stops15h 19m

Ottawa

Tue 30/12

14:15-09:55

2 stops14h 40m

£497

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Thu 18/12

13:35-23:54

2 stops15h 19m

Ottawa

Wed 31/12

17:59-09:55

1 stop10h 56m

£497

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Thu 18/12

12:05-23:54

1 stop16h 49m

Ottawa

Thu 1/1

19:27-10:20

1 stop9h 53m

£497

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Fri 21/11

13:35-21:56

1 stop13h 21m

Ottawa

Sat 6/12

15:10-10:20

2 stops14h 10m

£498

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Fri 19/12

12:05-23:54

1 stop16h 49m

Ottawa

Tue 30/12

06:15-10:20

2 stops23h 05m

£498

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Fri 7/11

13:35-23:54

2 stops15h 19m

Ottawa

Sat 22/11

14:15-09:55

2 stops14h 40m

£520

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Fri 19/12

10:40-13:18

2 stops31h 38m

Ottawa

Fri 2/1

12:00-10:20

2 stops17h 20m

£530

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Tue 30/12

12:05-17:18

2 stops34h 13m

£414

Flights are sorted by cheapest return flights first.

Deals found on 27/10

Showing 1-10 of 11 results
1
2

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, February is the cheapest month in which you can book a flight from Ireland to Ottawa (average of £370). Flying from Ireland to Ottawa in January is currently the most expensive (average of £489). 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 28 October 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
7.8
Good
469 reviews
Check prices

Boarding

7.9

Crew

8.5

Comfort

7.4

Food

6.8

Overall

7.8

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
469 reviews
Air Transat
7.8
Good
469 reviews
Check prices

Boarding

7.9

Crew

8.5

Comfort

7.4

Food

6.8

Overall

7.8

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
10,370 reviews
Air Transat
7.8
Good
469 reviews
Check prices

Boarding

7.9

Crew

8.5

Comfort

7.4

Food

6.8

Overall

7.8

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 United Airlines fly from Ireland to Ottawa in about 16h 49m. 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, February is the cheapest month in which you can book a flight from Ireland to Ottawa (average of £370). Flying from Ireland to Ottawa in January is currently the most expensive (average of £489). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ireland to Ottawa

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Pearson Intl flights
Gatwick to Pearson Intl flights
Heathrow to Toronto Island flights
London City to Pearson Intl flights
Luton to Pearson Intl flights
Heathrow to Pierre Elliott Trudeau Intl flights
Stansted to Pearson Intl flights
Gatwick to Toronto Island flights
Gatwick to Pierre Elliott Trudeau Intl flights
London City to Pierre Elliott Trudeau Intl flights
Stansted to Pierre Elliott Trudeau Intl flights
Manchester to Pearson Intl flights
Luton to Pierre Elliott Trudeau Intl flights
Manchester to Toronto Island flights
Heathrow to Ottawa flights
Glasgow Intl to Pearson Intl flights
Edinburgh to Pearson Intl flights
Gatwick to Ottawa flights
London City to Ottawa flights
Southampton to Pearson Intl flights
Dublin to Pearson Intl flights
Edinburgh to Toronto Island flights
Birmingham to Pearson Intl flights
Southend to Pearson Intl flights
Heathrow to London flights
Birmingham to Toronto Island flights
Newcastle upon Tyne to Pearson Intl flights
Bristol to Pearson Intl flights
Belfast Intl to Pearson Intl flights
Gatwick to London flights
Copenhagen to Pearson Intl flights
Belfast City to Pearson Intl flights
Manchester to Pierre Elliott Trudeau Intl flights
Bristol to Pierre Elliott Trudeau Intl flights
Dublin to Toronto Island flights
Belfast Intl to Pierre Elliott Trudeau Intl flights
Newcastle upon Tyne to Pierre Elliott Trudeau Intl flights
Charles de Gaulle to Pierre Elliott Trudeau Intl flights
Frankfurt to Pierre Elliott Trudeau Intl flights
Glasgow Intl to Pierre Elliott Trudeau Intl flights
Birmingham to Ottawa flights
Newcastle upon Tyne to Toronto Island flights

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 28 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapest£375Average£491FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapest£444Average£512FlexibilityNo cancel feeOn-time67%
Search Air Canada 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.