$427 Cheap Flights from Dublin (DUB) to Ottawa (YOW)

Popular airlines from Dublin Airport (DUB) to Ottawa International Airport (YOW)

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
Find available prices by choosing your travel dates.

Cheap Flights from Dublin to Ottawa (DUB-YOW)

Prices were available within the past 7 days and start at $427 for one-way flights and $622 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Air Canada
Air Canada
Air Canada
Air Canada
Air Canada
Lufthansa
Swiss International Air Lines
United
Aer Lingus
Flights from Dublin (DUB) to Ottawa (YOW)
Origin airport
Dublin
Destination airport
Macdonald-Cartier Intl.
Airlines serving
Aer Lingus, Air Canada, Lufthansa, Swiss International Air Lines, TAP Portugal
Roundtrip price
$621
Distance
3045 mi

Dublin to Ottawa Flights

The cheapest times to fly from Dublin to Ottawa

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Dublin to Ottawa are during the month of May. You can find some of the cheapest flights from Dublin to Ottawa with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Dublin to Ottawa

Sunday is one of the best days to book for cheap flights from Dublin to Ottawa: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Dublin to Ottawa

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Dublin to Ottawa in 2025. You can also book with separate airlines for your outbound and return journeys, from $427 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Dublin to Ottawa flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Dublin to Ottawa airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

Is it cheaper to buy a plane ticket from DUB to Macdonald-Cartier Intl. Airport (YOW) last minute?
Being spontaneous is a great way to travel, but it’s not always the wisest method to get your hands on a cheap plane ticket. Think about booking your Dublin Airport to Ottawa International Airport journey in advance rather than leaving it until the last minute. Based on flight pricing and demand studies in 2022, we have found that the best time to book domestic flights is between 28 – 35 days ahead of the departure date, and international flights three to four months in advance. Leave your spontaneity for when you’re discovering Ottawa International Airport!
What airports do you fly into for Ottawa from Dublin?
From Dublin, you can journey to Ottawa via Macdonald-Cartier Intl. Airport (YOW), Ottawa-Rockcliffe Airport (YRO) and Ottawa Executive Airport (YND). Be sure to check which airport is best for you before making your decision. If you pick Macdonald-Cartier Intl. Airport (YOW), it’s around 7 mi south of downtown. Use the money you save when booking your trip with Expedia to uncover the city’s top attractions, such as Parliament Hill and University of Ottawa.
Can I change the date of my flight from Dublin Airport (DUB) to Ottawa Intl. Airport?
Make changes quickly to your Dublin Airport to Ottawa International Airport journey via the Expedia Trips portal. But before you make any adjustments, read through the ticket rules in your itinerary to find out what you’re allowed to do and if any charges apply. Some carriers charge a change fee per person, plus any difference in prices. But if you booked in the last 24 hours, you may be able to cancel for free and arrange new flights. You can also take a look at our Customer Service portal for further information and to connect with our Virtual Agent.

Explore a world of travel with Expedia

*Available to One Key members.