Find flights
When to book
Airlines
FAQs

Cheap flights from Ireland to Ottawa from £395

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 15/4. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — YOW
11 Dec — 18 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 11 November 2025.

Round-trip from

£408

One-way from

£395

Popular in

August

Cheapest in

September

Average price

£504
Air Transat
  • Air Transat
  • 6/5-10/5
  • 2 total stops
  • 39h 31m total
  • Ireland to Ottawa
Search Deals
Lufthansa
  • Lufthansa
  • 15/4
  • 1 total stop
  • 10h 29m total
  • Ireland to Ottawa
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£13 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 November 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 11 November 2025.

Thu 27/1105:00DUB - YOW
2 stops14h 07mLufthansa
Mon 1/1218:20YOW - DUB
2 stops17h 50mLufthansa
Deal found 10/11£448
Mon 17/1111:45DUB - YOW
2 stops16h 23mLufthansa
Tue 2/1216:00YOW - DUB
2 stops14h 00mLufthansa
Deal found 9/11£477
Wed 24/1209:30DUB - YOW
1 stop11h 57mAir Canada
Wed 31/1209:45YOW - DUB
1 stop19h 35mAir Canada
Deal found 9/11£485
Mon 17/1109:30DUB - YOW
1 stop12h 02mUnited Airlines
Tue 2/1214:17YOW - DUB
2 stops12h 13mUnited Airlines
Deal found 10/11£502
Mon 17/1109:30DUB - YOW
2 stops16h 48mUnited Airlines
Sun 30/1112:05YOW - DUB
2 stops14h 25mUnited Airlines
Deal found 8/11£555
Wed 17/1212:05DUB - YOW
1 stop11h 50mMultiple Airlines
Tue 6/110:20YOW - DUB
2 stops16h 10mMultiple Airlines
Deal found 10/11£556
Wed 17/1209:30DUB - YOW
1 stop12h 02mUnited Airlines
Tue 6/115:10YOW - DUB
1 stop11h 20mUnited Airlines
Deal found 10/11£566
Sun 9/1113:35DUB - YOW
2 stops30h 48mUnited Airlines
Thu 13/1109:45YOW - DUB
2 stops19h 10mUnited Airlines
Deal found 9/11£603
Wed 24/1212:35DUB - YOW
3 stops34h 50mMultiple Airlines
Wed 31/1215:55YOW - DUB
2 stops22h 20mMultiple Airlines
Deal found 9/11£769

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 11 November 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

Wed 6/5

13:15-10:21

1 stop26h 06m

Ottawa

Sun 10/5

17:05-11:30

1 stop13h 25m

£408

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Thu 27/11

05:00-14:07

2 stops14h 07m

Ottawa

Mon 1/12

18:20-17:10

2 stops17h 50m

£448

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Wed 24/12

09:30-16:27

1 stop11h 57m

Ottawa

Wed 31/12

09:45-10:20

1 stop19h 35m

£485

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Mon 15/12

09:30-21:18

2 stops16h 48m

Ottawa

Tue 30/12

14:15-09:55

2 stops14h 40m

£502

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Mon 8/12

09:30-21:18

2 stops16h 48m

Ottawa

Mon 15/12

14:17-07:30

2 stops12h 13m

£502

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Sun 7/12

12:05-21:56

2 stops14h 51m

Ottawa

Sun 14/12

11:10-10:20

2 stops18h 10m

£502

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Wed 24/12

09:30-21:18

2 stops16h 48m

Ottawa

Wed 31/12

14:15-07:30

2 stops12h 15m

£502

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Wed 17/12

13:35-23:54

2 stops15h 19m

Ottawa

Tue 6/1

17:11-07:30

2 stops33h 19m

£502

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Wed 15/4

09:50-15:19

1 stop10h 29m

£395

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Fri 2/1

12:05-17:18

2 stops34h 13m

£588

Flights are sorted by cheapest return flights first.

Deals found on 9/11

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 £374). Flying from Ireland to Ottawa in January is currently the most expensive (average of £495). 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 11 November 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
470 reviews
Check prices

Boarding

7.9

Entertainment

7.1

Crew

8.5

Comfort

7.4

Food

6.8

Overall

7.8

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
470 reviews
Air Transat
7.8
Good
470 reviews
Check prices

Boarding

7.9

Entertainment

7.1

Crew

8.5

Comfort

7.4

Food

6.8

Overall

7.8

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
10,429 reviews
Air Transat
7.8
Good
470 reviews
Check prices

Boarding

7.9

Entertainment

7.1

Crew

8.5

Comfort

7.4

Food

6.8

Overall

7.8

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 Air Transat, Lufthansa, and Air Canada fly from Ireland to Ottawa in about 11h 57m. The time it takes to get you to your destination can typically vary by up to 14h 09m. 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, February is the cheapest month in which you can book a flight from Ireland to Ottawa (average of £374). Flying from Ireland to Ottawa in January is currently the most expensive (average of £495). 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
Heathrow to Pierre Elliott Trudeau Intl flights
Stansted to Pearson Intl flights
Luton to Pearson Intl flights
Gatwick to Toronto Island flights
Gatwick to Pierre Elliott Trudeau Intl flights
Stansted to Pierre Elliott Trudeau Intl flights
London City to Pierre Elliott Trudeau Intl flights
Luton to Pierre Elliott Trudeau Intl flights
Manchester to Pearson Intl flights
Manchester to Toronto Island flights
Heathrow to Ottawa flights
Edinburgh to Pearson Intl flights
Glasgow Intl to Pearson Intl flights
Edinburgh to Toronto Island flights
Southend to Pearson Intl flights
Gatwick to Ottawa flights
Dublin to Pearson Intl flights
London City to Ottawa flights
Birmingham to Pearson Intl flights
Manchester to Pierre Elliott Trudeau Intl flights
Birmingham to Toronto Island flights
Newcastle upon Tyne to Pearson Intl flights
Manchester to Ottawa flights
Edinburgh to Pierre Elliott Trudeau Intl flights
Heathrow to Windsor flights
Belfast Intl to Pearson Intl flights
Glasgow Intl to Pierre Elliott Trudeau Intl flights
Charles de Gaulle to Pierre Elliott Trudeau Intl flights
Belfast City to Pearson Intl flights
Belfast Intl to Pierre Elliott Trudeau Intl flights
Dublin to Toronto Island flights
London City to London flights
Heathrow to London flights
Bristol to Pearson Intl flights
Frankfurt to Pierre Elliott Trudeau Intl flights
Southampton to Pearson Intl 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 11 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapest£380Average£498FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapest£449Average£519FlexibilityNo 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.