£321 Find Cheap Flights from Ireland to Ottawa

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Ottawa departing on 15/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Ottawa

 
These are the airlines KAYAK users have selected most often from within our search results for flights to Ottawa, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results for flights to Ottawa, as well as popular online travel agencies
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Flight Deals

Cheap Flights from Ireland to Ottawa

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Ireland to Ottawa that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Ireland to Ottawa

Sat, 7 Feb - Fri, 13 Feb
 Logo
05:10 - 14:08DUB-YOW
13h 58m2 stops
 Logo
20:00 - 07:10YOW-DUB
30h 10m2 stops
Sat, 7 Feb - Fri, 13 Feb
 Logo
05:10 - 14:08DUB-YOW
13h 58m2 stops
 Logo
20:25 - 07:10YOW-DUB
29h 45m1 stop
Sat, 7 Feb - Fri, 13 Feb
Air Canada Logo
09:30 - 21:56DUB-YOW
17h 26m1 stop
Air Canada Logo
15:10 - 07:30YOW-DUB
11h 20m1 stop
£474Air Canada
Find Deal
Fri, 3 Oct - Thu, 16 Oct
United Airlines Logo
12:30 - 22:05DUB-YOW
14h 35m2 stops
United Airlines Logo
14:45 - 07:20YOW-DUB
11h 35m2 stops
£496United Airlines
Find Deal
Fri, 6 Feb - Fri, 13 Feb
TAP AIR PORTUGAL Logo
04:25 - 18:38DUB-YOW
19h 13m2 stops
TAP AIR PORTUGAL Logo
20:00 - 16:10YOW-DUB
15h 10m2 stops
£732TAP AIR PORTUGAL
Find Deal
Sat, 7 Feb - Sat, 14 Feb
Lufthansa Logo
05:10 - 14:08DUB-YOW
13h 58m2 stops
Lufthansa Logo
14:05 - 07:10YOW-DUB
12h 05m1 stop
£1,357Lufthansa
Find Deal
Sat, 7 Feb - Sat, 14 Feb
Lufthansa Logo
05:10 - 14:08DUB-YOW
13h 58m2 stops
Lufthansa Logo
16:10 - 07:10YOW-DUB
10h 00m1 stop
£1,358Lufthansa
Find Deal
Sat, 7 Feb - Sat, 14 Feb
 Logo
05:10 - 14:08DUB-YOW
13h 58m2 stops
 Logo
05:45 - 07:10YOW-DUB
20h 25m2 stops
£1,365
Find Deal
Sat, 7 Feb - Sat, 14 Feb
 Logo
05:10 - 14:08DUB-YOW
13h 58m2 stops
 Logo
10:50 - 07:10YOW-DUB
15h 20m2 stops
£1,365
Find Deal
Sat, 7 Feb - Sat, 14 Feb
Air Canada Logo
09:30 - 16:30DUB-YOW
12h 00m1 stop
Air Canada Logo
14:05 - 07:10YOW-DUB
12h 05m1 stop
£1,368Air Canada
Find Deal

Everything you should know

When to travel
September
Cheapest • 14% price drop
December
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Cheapest return fare
£457
Overall average: £468
Multi-carrier
Sat 7/2Fri 13/2
DUB - YOW • 2 stops
Cheapest one-way flight
£321
Typical prices: £406-499
Multi-carrier
Wed 15/10
DUB - YOW • 2 stops
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KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Ottawa!
Booking Insights

KAYAK's insights & trends for flights to Ottawa

Get data-powered insights and trends into flights to Ottawa to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly to Ottawa?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights to Ottawa, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights to Ottawa is September, where tickets cost £450 on average for return flights. On the other hand, the most expensive months are August and October, where the average cost of tickets from Ireland is £619 and £595 respectively. For one-way flights, the best month to travel is September with an average price of £450.

Good to know - Cheap tickets from Ireland to Ottawa

Low seasonNovember
Cheapest flight£321
Best time to beat the crowds (7% less expensive on average)
Most popular time to fly (2% more expensive on average)
Flight from Dublin to Ottawa

FAQs - booking Ottawa flights

  • How far is Ottawa Airport from central Ottawa?

    The distance between Ottawa Airport and the city centre of Ottawa is 7 miles.

  • What is the name of Ottawa’s airport?

    All flights to Ottawa land at Ottawa Airport. The airport code is YOW,and it can also be referred to as Macdonald–Cartier Intl, Ottawa, or Ottawa Macdonald-Cartier Intl.

  • What is the cheapest day to fly to Ottawa?

    Based on KAYAK data, the cheapest day to fly to Ottawa is Tuesday where round-trip tickets can be as cheap as £462. On the other hand, the most expensive day to fly is Thursday, where round-trip prices are £576 on average.

  • How does KAYAK find such low prices on flights to Ottawa?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights to Ottawa.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket to Ottawa?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ottawa is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights to Ottawa?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ottawa with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight to Ottawa?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ottawa up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to Ottawa?

    The cheapest time of day to fly to Ottawa is generally in the afternoon, when round-trip flights cost £636 on average. The most expensive time of day to fly to Ottawa is generally in the morning, which is peak travel time and where the average cost of a ticket is £722.

  • How many direct flights to Ottawa are there each week?

    Each week there are around 4 direct flights from within Ireland to Ottawa. The most common day for departures is Wednesday, with 25% of flights taking off on this day.

Top tips for finding cheap flights to Ottawa

  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest Ottawa flight deals.

Reviews of the top airlines flying from Ireland to Ottawa

 
See real verified KAYAK customer reviews for airlines flying to Ottawa. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline from Ireland to Ottawa. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with to Ottawa? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.7
Air TransatOverall score based on 438 reviews
7.9Boarding
7.0Entertainment
6.7Food
8.4Crew
7.3Comfort
Airline reviews

This has been the worst experience I’ve ever had. Basically, I lost my round-trip tickets because one of my last names was missing, and you didn’t allow me to correct it. I had to purchase a full ticket again. Once I get home, I will start legal proceedings against you.

2.0 MediocreAnonymous, Sept 2025YHZ - YYZ
Read more Air Transat reviews

This has been the worst experience I’ve ever had. Basically, I lost my round-trip tickets because one of my last names was missing, and you didn’t allow me to correct it. I had to purchase a full ticket again. Once I get home, I will start legal proceedings against you.

The crew were polite and courteous. The Pilot did an excellent landing. It was very smooth and gentle. My only regret is that I was charged twice for my luggage . The attendant gave me no receipt . I didn't realize until I was about to board. How can this be resolved? Thank you.

Very smooth flights Toronto to Rome and return. Crews were great, food was fine but very narrow seats and limited leg room. Aisle seats on our return helped with a bit more space.

YUL AIRPORT is the worst. 1 Hr to Get out of the plane, 1 Hr To Cross the Border. 1Hr waiting to be pick up curbside. Trafic is ubeliveble.

It’s ok just the boarding point is far too far

Check in slow even though completed online check in, there was no bag drop available so had to query for 90mins as only 2 staff on desks.

Flying to a far away destination is a miracle in itself, so please take these with a grain of salt. The seats are a bit tired, and need a freshen up. The entertainment could be a bit newer, especially with all services available now. The food really is where we need help. But again, flying is a privilege, so all is good.

Not so much porter it's your site! Not good

They are a sister company with Air Transat and the two companies do not work well together. If you have any issues the two companies will blame each other and you will miss your flights. The help line does not help

Never book through a third party. Book through Air transats website. Terrible process to get help and many issues happen with them and sister companies because half the flights you book with them aren’t even through air transat.

Had to cancel flight due to strike. Hope things will be better next August when we will rebook. Very disappointing as it was our 50th wedding anniversary celebration l!

Overall great. The crews were lovely. The seats are awful. I always emerge with a back ache.

Short flight. Everything was fine except the flight was delayed twice for a total of an hour.

I had boarding pass on my phone. Husband and I were seated together. Agent printed out boarding passes and we were separated for the flight

You was on strike and I had to get another r flight and you did not give me my money back

Flight was fine and on time. But no entertainment system and little leg room.

Really out of Air Canada's control due to long delay because of mechanical issues. While doing their best, disappointed by their assumption that all passengers have smart phones. Should have communicated food voucher availability at gate area. Late arrival cost me an extra $51 because public transit was not available, Otherwise, feel Air Canada did their best dealing with their challenges. Will likely continue using them in the future.

Air Canada decided to go on strike less then 24 hours before our travel and we had to cancel finding flights elsewhere.

This was the end of our honeymoon and our connecting flight to Philly was canceled while we were in our layover due to “maintenance”. Filing a claim to get compensation but would not fly Air Canada again.

I found the boarding easy and my seat was very comfortable as I had a lot of leg room. I am not too happy that I no longer have lounge access even though I used to get it with my TD credit card.

Travelling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Perth
Wakefield
Prescott
Smiths Falls
Calabogie
Pembroke
Brockville
Jasper

Everything you need to know for your flight to Ottawa

Information on the airport you'll fly into in Ottawa

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