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$307+ Cheap flights from Ottawa (YOW) to Dublin (DUB)

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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — DUB
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
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Cheap flight deals from Ottawa to Dublin

Cheapest flights from Ottawa to Dublin
Explore the most affordable flight options available from Ottawa to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.

This WestJet deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/56:25 pm
YOW
-
DUB
1 stop9h 55m
WestJet
Sun 6/1412:15 pm
DUB
-
YOW
1 stop10h 20m
WestJet
Deal found 1/31$477
This WestJet deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/126:25 pm
YOW
-
DUB
1 stop9h 55m
WestJet
Fri 6/1912:15 pm
DUB
-
YOW
1 stop10h 20m
WestJet
Deal found 1/31$481
This Porter Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/194:00 pm
YOW
-
DUB
1 stop14h 30m
Porter Airlines
Thu 6/111:15 pm
DUB
-
YOW
1 stop11h 45m
Porter Airlines
Deal found 2/2$486
This FlightHub deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/285:55 am
YOW
-
DUB
1 stop22h 25m
WestJet
Mon 10/1210:40 am
DUB
-
YOW
1 stop18h 40m
WestJet
Deal found 1/31$487
This Priceline deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/235:55 am
YOW
-
DUB
2 stops21h 25m
WestJet
Tue 7/1410:40 am
DUB
-
YOW
1 stop11h 55m
WestJet
Deal found 2/1$490
This WestJet deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/176:25 pm
YOW
-
DUB
1 stop9h 55m
WestJet
Thu 6/2510:40 am
DUB
-
YOW
1 stop11h 55m
WestJet
Deal found 1/31$494
This WestJet deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/186:25 pm
YOW
-
DUB
1 stop9h 55m
WestJet
Fri 6/2612:15 pm
DUB
-
YOW
1 stop10h 20m
WestJet
Deal found 1/31$497
This WestJet deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/246:35 pm
YOW
-
DUB
1 stop9h 45m
WestJet
Wed 7/110:40 am
DUB
-
YOW
1 stop11h 55m
WestJet
Deal found 1/31$510
This Porter Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/54:00 pm
YOW
-
DUB
1 stop14h 30m
Porter Airlines
Sun 5/101:15 pm
DUB
-
YOW
1 stop16h 10m
Porter Airlines
Deal found 2/1$530
This Porter Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/86:35 pm
YOW
-
DUB
1 stop11h 55m
Porter Airlines
Thu 7/161:15 pm
DUB
-
YOW
1 stop11h 45m
Porter Airlines
Deal found 1/31$557
This WestJet deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/286:35 pm
YOW
-
DUB
1 stop9h 45m
WestJet
Tue 7/712:15 pm
DUB
-
YOW
1 stop10h 20m
WestJet
Deal found 1/31$569

Find flight deals from Ottawa to Dublin

Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to Dublin (DUB). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$477
(WestJet)

One-way from

$307
(FlightHub)

Popular in

March

Cheapest in

September

Average price

$776
Provider with most accurate pricing for Ottawa-Dublin flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ottawa-Dublin flights.
Search Deals
From Ottawa to Dublin
Search Deals
One-way flight from Ottawa to Dublin
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($64 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ottawa to Dublin 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 2,558,603 searches. Data last updated February 3, 2026.
Use the filters below to find and compare flights from Ottawa to Dublin that are best for you.

Fly from

Ottawa

Fly to

Dublin

Route

Depart

Return

Price

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Sun 6/14

6:25 pm-9:20 am

1 stop9h 55m

Dublin

Mon 6/22

9:40 am-5:35 pm

2 stops12h 55m

$481

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Wed 6/10

6:25 pm-9:20 am

1 stop9h 55m

Dublin

Fri 6/19

12:15 pm-5:35 pm

1 stop10h 20m

$481

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Tue 6/16

6:25 pm-9:20 am

1 stop9h 55m

Dublin

Thu 6/25

10:40 am-5:35 pm

1 stop11h 55m

$494

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Tue 6/23

6:35 pm-9:20 am

1 stop9h 45m

Dublin

Wed 7/1

10:40 am-5:35 pm

1 stop11h 55m

$497

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Sat 6/20

6:25 pm-9:20 am

1 stop9h 55m

Dublin

Sun 6/28

12:15 pm-5:35 pm

1 stop10h 20m

$497

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Thu 7/2

6:35 pm-9:20 am

1 stop9h 45m

Dublin

Fri 7/10

12:15 pm-5:35 pm

1 stop10h 20m

$510

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Sun 5/24

7:00 am-11:30 am

1 stop23h 30m

Dublin

Thu 6/11

1:15 pm-8:00 pm

1 stop11h 45m

$530

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Tue 5/5

4:00 pm-11:30 am

1 stop14h 30m

Dublin

Sun 5/10

1:15 pm-12:25 am

1 stop16h 10m

$530

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Wed 7/8

6:35 pm-11:30 am

1 stop11h 55m

Dublin

Thu 7/16

1:15 pm-8:00 pm

1 stop11h 45m

$557

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Mon 6/8

6:00 am-7:20 am

1 stop20h 20m

Dublin

Mon 6/15

8:50 am-11:54 pm

1 stop20h 04m

$706

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Showing 1-10 of 14 results
1
2

Compare providers for flights from Ottawa to Dublin

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ottawa to Dublin in February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ottawa-Dublin flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ottawa-Dublin flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ottawa-Dublin flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ottawa-Dublin flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ottawa-Dublin flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ottawa to Dublin

Have a flexible travel schedule? Discover the best time to fly to Dublin from Ottawa with our price prediction graph.
Estimated round-trip 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 Ottawa to Dublin

How far ahead should I book a flight from Ottawa to Dublin?

Use this chart to determine the optimal time to book a round-trip flight from Ottawa to Dublin. Price data was last updated on January 30, 2026.

Booking 78 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ottawa to Dublin. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Ottawa to Dublin?

Currently, September is the cheapest month in which you can book a flight from Ottawa to Dublin (average of $433). Flying from Ottawa to Dublin in December is currently the most expensive (average of $630). 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.

How much does it cost to fly round-trip from Ottawa to Dublin?

Reviews of airlines servicing Dublin

Get insights into the airlines that provide service to Dublin. 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 Dublin. Reviews last updated February 3, 2026.
Read reviews from past customers who have flown Air Canada from Ottawa to Dublin. 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 Canada
7.1
Good
10,684 reviews

Overall

7.1

Entertainment

6.8

Food

6.3

Boarding

7.3

Crew

7.8

Comfort

7.1

Reviews

1 / 20
4.0
Okay

Sugith,Jan 2026

YSB - YYZ

Left 2 hours late. Stuck on plane for an hour after boarding before take off.
Air Canada
7.1
Good
10,684 reviews
Air Canada
7.1
Good
10,684 reviews

Overall

7.1

Entertainment

6.8

Food

6.3

Boarding

7.3

Crew

7.8

Comfort

7.1

Reviews

1 / 20
4.0
Okay

Sugith,Jan 2026

YSB - YYZ

Left 2 hours late. Stuck on plane for an hour after boarding before take off.

Related info for your journey

Find useful and relevant information for your journey from Ottawa to Dublin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Ottawa to Dublin?

    A quick flight from Ottawa to Dublin can take about 9h 55m. WestJet provides one of the quickest options available for as low as $477. The distance from Ottawa to Dublin is about 3044 mi.

  • What is the cheapest airline to fly from Ottawa to Dublin round-trip?

    Currently priced at $613, Air Canada will fly you from Ottawa to Dublin and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Users have found that Air Canada is 14% cheaper than the other options available to this destination.

  • Can I find deals for flights from Ottawa to Dublin that include hotel bookings?

    Yes. In addition to deals on Ottawa to Dublin flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ottawa to Dublin?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ottawa to Dublin.

  • Can I find deals for business class flights from Ottawa to Dublin?

    Yes. Cheapflights offers flight deals from Ottawa to Dublin 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 Ottawa to Dublin?

    Currently, September is the cheapest month in which you can book a flight from Ottawa to Dublin (average of $433). Flying from Ottawa to Dublin in December is currently the most expensive (average of $630). 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

Traveling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Maynooth
Castleknock
Leixlip

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ottawa to Dublin

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Dublin flights
Pierre Elliott Trudeau Intl to Dublin flights
Windsor to Dublin flights
Sault Ste Marie to Dublin flights

Top airline flying from Ottawa to Dublin

Discover the top airline that operate flights from Ottawa to Dublin. 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 2,558,603 searches. Data last updated February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$613Average$711FlexibilityNo cancel feeOn-time67%

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