
Popular airlines from Dublin Airport (DUB) to Ottawa International Airport (YOW)
- Air Canada
Air Canada
- Aer Lingus
Aer Lingus
- Lufthansa
Lufthansa
- Swiss International Air Lines
Swiss International Air Lines
- TAP Portugal
TAP Portugal
- Plan, book, fly with confidence
- Be in the knowGet alerts if flight prices drop or rise*
- Book smarterSave up to 30% on select hotels after you book a flight*
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.










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
Explore a world of travel with Expedia
Flights
- JetBlue Airways
- Air France
- American Airlines
- Austrian Airlines
- Swiss International Air Lines
- Aer Lingus
- British Airways
- United
- Scandinavian Airlines
- Lufthansa
- TAP Portugal
- Air Canada
- Delta
- Icelandair
- KLM
- Iberia
- Flights from Dublin (DUB) to Bangkok (BKK)
- Flights from Dublin (DUB) to Chicago (ORD)
- Flights from Dublin (DUB) to Paris (CDG)
- Flights from Dublin (DUB) to Barcelona (BCN)
- Flights from Dublin (DUB) to Boston (BOS)
- Flights from Dublin (DUB) to London (LCY)
- Flights from Toronto (YYZ) to Vancouver (YVR)
- Flights from Boston (BOS) to Ottawa (YOW)
- Flights from Newark Liberty Intl. Airport (EWR) to Ottawa (YOW)
- Flights from Washington (DCA) to Ottawa (YOW)
- Flights from Tampa (TPA) to Ottawa (YOW)
- Flights from Washington (IAD) to Ottawa (YOW)
- Flights from Minneapolis (MSP) to Ottawa (YOW)
- Flights from New York (JFK) to Ottawa (YOW)
- Flights from New York (LGA) to Ottawa (YOW)
- Flights from Chicago (ORD) to Ottawa (YOW)
- Flights from Los Angeles (LAX) to Ottawa (YOW)
- Flights from Seattle (SEA) to Ottawa (YOW)
- Flights from Fort Lauderdale (FLL) to Ottawa (YOW)
- Flights from Toronto (YYZ) to Calgary (YYC)
- Flights from Chicago (ORD) to London (YXU)
- Flights from Toronto (YYZ) to Los Angeles (LAX)
- Flights from Dublin (DUB) to Los Angeles (LAX)
- Flights from Toronto (YYZ) to New York (NYC)
- Flights from Dublin (DUB) to Mumbai (BOM)
- Flights from Dublin (DUB) to Edinburgh (EDI)
- Flights from Toronto (YYZ) to Delhi (DEL)
- Flights from Kingston (KIN) to Toronto (YYZ)
- Flights from Chicago (ORD) to Toronto (YYZ)
- Flights from San Francisco (SFO) to Toronto (YYZ)
- Flights from Houston (IAH) to Toronto (YYZ)
- Flights from New York (NYC) to Toronto (YYZ)
- Flights from Seattle (SEA) to Toronto (YYZ)
- Flights from Los Angeles (LAX) to Toronto (YYZ)
- Flights from Newark Liberty Intl. Airport (EWR) to Toronto (YYZ)
- Flights from Vancouver (YVR) to Toronto (YYZ)
- Flights from Lahore (LHE) to Toronto (YYZ)
- Flights from Fort Lauderdale (FLL) to Toronto (YYZ)
- Flights from Accra (ACC) to Toronto (YYZ)
- Flights from Nairobi (NBO) to Toronto (YYZ)
- Flights from Dhaka (DAC) to Toronto (YYZ)
- Flights from Orlando (MCO) to Toronto (YYZ)
- Flights from Manila (MNL) to Toronto (YYZ)
- Flights from Dallas (DFW) to Toronto (YYZ)
- Flights from Karachi (KHI) to Toronto (YYZ)
- Flights from Boston (BOS) to Toronto (YYZ)
- Flights from New York (LGA) to Toronto (YYZ)
- Flights from Atlanta (ATL) to Toronto (YYZ)
- Flights from Lagos (LOS) to Toronto (YYZ)
- Flights from New York (JFK) to Toronto (YYZ)
- Flights from Port of Spain (POS) to Toronto (YYZ)
- Flights from Dublin (DUB) to Amsterdam (AMS)
- Flights from Dublin (DUB) to Newark Liberty Intl. Airport (EWR)
- Flights from Dublin (DUB) to New York (LGA)
- Aer Lingus Dublin (DUB) to Paris (CDG) flights
- Aer Lingus Dublin (DUB) to New York (JFK) flights
- Aer Lingus Dublin (DUB) to Edinburgh (EDI) flights
- Flights to The Blue Mountains
- Flights to Toronto
- Flights to Halifax
- Flights to Whistler
- Flights to Kelowna
- Flights to London
- Flights to Ottawa
- Flights to Victoria
- Flights to Richmond
- Flights to Canmore
- Flights to Montreal
- Flights to Calgary
- Flights to Vancouver
- Flights to Saskatoon
- Flights to Mont-Tremblant
- Flights to Edmonton
- Flights to Niagara Falls
- Flights to Banff
- Flights to Québec City
- Flights to Winnipeg
- Flights from Donegal
- Flights from Ireland West
- Flights from Kerry
- Flights from Letterkenny Airfield
- Flights from Shannon
- Flights from Reeroe
- Flights from Cork
- Flights from Waterford