$254 Cheap Flights from Ottawa (YOW) to Dublin (DUB)

View $254 flight on Wed, Oct 22, 2025Opens in a new window

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

Cheap Flights from Ottawa to Dublin (YOW-DUB)

Prices were available within the past 7 days and start at $254 for one-way flights and $476 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

WestJet
Wed, Apr 29 - Wed, May 13
YOW
Ottawa
DUB
Dublin
$476 Roundtrip, found 2 days ago
$476
Roundtrip
found 2 days ago
Select WestJet flight, departing Wed, Apr 29 from Ottawa to Dublin, returning Wed, May 13, priced at $476 found 2 days ago
WestJet
Sun, May 3 - Wed, May 20
YOW
Ottawa
DUB
Dublin
$478 Roundtrip, found 2 days ago
$478
Roundtrip
found 2 days ago
Select WestJet flight, departing Sun, May 3 from Ottawa to Dublin, returning Wed, May 20, priced at $478 found 2 days ago
WestJet
Sun, May 24 - Mon, Jun 8
YOW
Ottawa
DUB
Dublin
$480 Roundtrip, found 2 days ago
$480
Roundtrip
found 2 days ago
Select WestJet flight, departing Sun, May 24 from Ottawa to Dublin, returning Mon, Jun 8, priced at $480 found 2 days ago
WestJet
Sun, May 31 - Mon, Jun 15
YOW
Ottawa
DUB
Dublin
$484 Roundtrip, found 2 days ago
$484
Roundtrip
found 2 days ago
Select WestJet flight, departing Sun, May 31 from Ottawa to Dublin, returning Mon, Jun 15, priced at $484 found 2 days ago
WestJet
Wed, May 6 - Fri, May 29
YOW
Ottawa
DUB
Dublin
$494 Roundtrip, found 2 days ago
$494
Roundtrip
found 2 days ago
Select WestJet flight, departing Wed, May 6 from Ottawa to Dublin, returning Fri, May 29, priced at $494 found 2 days ago
WestJet
Sun, May 3 - Sat, May 23
YOW
Ottawa
DUB
Dublin
$494 Roundtrip, found 1 day ago
$494
Roundtrip
found 1 day ago
Select WestJet flight, departing Sun, May 3 from Ottawa to Dublin, returning Sat, May 23, priced at $494 found 1 day ago
Air Canada
Thu, Jan 1 - Sat, Jan 24
YOW
Ottawa
DUB
Dublin
$670 Roundtrip, found 6 days ago
$670
Roundtrip
found 6 days ago
Select Air Canada flight, departing Thu, Jan 1 from Ottawa to Dublin, returning Sat, Jan 24, priced at $670 found 6 days ago
Lufthansa
Thu, Jan 1 - Sat, Jan 24
YOW
Ottawa
DUB
Dublin
$689 Roundtrip, found 6 days ago
$689
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Thu, Jan 1 from Ottawa to Dublin, returning Sat, Jan 24, priced at $689 found 6 days ago
Aer Lingus
Thu, Dec 4 - Wed, Dec 10
YOW
Ottawa
DUB
Dublin
$726 Roundtrip, found 3 days ago
$726
Roundtrip
found 3 days ago
Select Aer Lingus flight, departing Thu, Dec 4 from Ottawa to Dublin, returning Wed, Dec 10, priced at $726 found 3 days ago
Swiss International Air Lines
Sun, Nov 23 - Sat, Dec 13
YOW
Ottawa
DUB
Dublin
$767 Roundtrip, found 5 days ago
$767
Roundtrip
found 5 days ago
Select Swiss International Air Lines flight, departing Sun, Nov 23 from Ottawa to Dublin, returning Sat, Dec 13, priced at $767 found 5 days ago

Find the cheapest month to fly from Ottawa (YOW) to Dublin (DUB)

May is typically the cheapest month to fly

From $487 - $1,152 per traveler.

Alternative airports near Dublin

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Dublin Airport DUB. Cheapest and Closest option available. Average driving time to city center is 14 minutes. Flights from $892
DUB
Dublin Airport
CheapestClosest
Average driving time to city center14 min
Flights from $892
Flights from Ottawa (YOW) to Dublin (DUB)
Origin airport
Macdonald-Cartier Intl.
Destination airport
Dublin
Airlines serving
Aer Lingus, Air Canada, KLM, Lufthansa, Swiss International Air Lines, TAP Portugal, United, WestJet
Roundtrip price
$475
Distance
3045 mi

Ottawa to Dublin Flights

The cheapest times to fly from Ottawa to Dublin

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 Ottawa to Dublin are during the month of April. You can find some of the cheapest flights from Ottawa to Dublin with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Ottawa to Dublin

Sunday is one of the best days to book for cheap flights from Ottawa to Dublin: 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 Ottawa to Dublin

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 Ottawa to Dublin in 2025. You can also book with separate airlines for your outbound and return journeys, from $254 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 Ottawa to Dublin 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 Ottawa to Dublin 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

How much does a flight from Macdonald-Cartier Intl. Airport (YOW) to Dublin Airport (DUB) cost?
Secure a cheap one-way flight from $254 or cheap return flight from $476 from Macdonald-Cartier Intl. Airport (YOW) to Dublin Airport (DUB) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Macdonald-Cartier Intl. Airport (YOW) to Dublin Airport (DUB)?
April is the cheapest month to fly from YOW to DUB. Timing your trip outside of the busy season is often the key to scoring lower fares.
What is the cheapest airline that flies from Macdonald-Cartier Intl. Airport (YOW) to Dublin Airport (DUB)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest YOW to DUB flight.
How many flights per day from Macdonald-Cartier Intl. Airport (YOW) to Dublin Airport (DUB)?
You'll have to catch a flight with a layover when traveling from Macdonald-Cartier Intl. Airport (YOW) to Dublin Airport (DUB). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from YOW to DUB?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Macdonald-Cartier Intl. Airport (YOW) to Dublin Airport (DUB)?
To avoid potential delays on the Macdonald-Cartier Intl. Airport (YOW) to Dublin Airport (DUB) route, fly before 3 PM. Departures after this time have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Macdonald-Cartier Intl. Airport (YOW) to Dublin Airport (DUB) last-minute?
Last-minute bookings from YOW to DUB are typically more expensive. To secure the lowest rates, start searching for flights well in advance. That said, if you're flexible with your travel dates, it's possible to score a cheap fare just before your departure.
Is it cheaper to book a YOW to DUB flight and hotel package?
Securing a YOW to DUB flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Pick from our wide range of hotels and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Macdonald-Cartier Intl. Airport (YOW) to Dublin Airport (DUB)?
In most cases, you're able to cancel or reschedule your YOW to DUB flight. However, additional fees may apply, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you want further details, visit our Customer Service portal.

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*Available to One Key members.