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$250+ 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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — DUB
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheap 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 July 29, 2025.

Round-trip from

$629
(Lufthansa)

One-way from

$250
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$667
From Ottawa to Dublin
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One-way flight from Ottawa to Dublin
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Highest demand for flights based on searches. 9% potential increase in price ($75 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find 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 July 29, 2025.

This Lufthansa deal was found by Cheapflights users on 7/27. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/178:55 pmYOW - DUB
1 stop29h 50mLufthansa
Thu 9/49:20 amDUB - YOW
1 stop17h 44mLufthansa
Deal found 7/27$629
This Porter Airlines deal was found by Cheapflights users on 7/27. 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 8/202:20 pmYOW - DUB
1 stop16h 10mPorter Airlines
Wed 8/271:15 pmDUB - YOW
1 stop16h 06mPorter Airlines
Deal found 7/27$652
This Cheapflightsfares deal was found by Cheapflights users on 7/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2311:55 amYOW - DUB
1 stop12h 00mAer Lingus
Mon 11/101:00 pmDUB - YOW
1 stop11h 18mAer Lingus
Deal found 7/27$687
This United Airlines deal was found by Cheapflights users on 7/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/56:33 amYOW - DUB
2 stops22h 47mUnited Airlines
Tue 8/128:50 amDUB - YOW
2 stops18h 15mUnited Airlines
Deal found 7/29$691
This SWISS deal was found by Cheapflights users on 7/27. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/191:55 pmYOW - DUB
2 stops37h 00mSWISS
Wed 8/276:40 pmDUB - YOW
2 stops33h 28mSWISS
Deal found 7/27$734
This Air Canada deal was found by Cheapflights users on 7/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/232:40 pmYOW - DUB
2 stops12h 35mAir Canada
Mon 11/109:00 amDUB - YOW
2 stops15h 22mAir Canada
Deal found 7/29$753
This WestJet deal was found by Cheapflights users on 7/27. 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 8/2012:20 pmYOW - DUB
2 stops15h 05mWestJet
Thu 9/410:00 amDUB - YOW
2 stops19h 22mWestJet
Deal found 7/27$805

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 July 29, 2025.
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 8/17

8:55 pm-7:45 am

1 stop29h 50m

Dublin

Thu 9/4

9:20 am-10:04 pm

1 stop17h 44m

$629

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Wed 8/20

2:20 pm-11:30 am

1 stop16h 10m

Dublin

Wed 8/27

1:15 pm-12:21 am

1 stop16h 06m

$652

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Thu 10/23

11:55 am-4:55 am

1 stop12h 00m

Dublin

Mon 11/10

1:00 pm-7:18 pm

1 stop11h 18m

$687

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Sat 8/9

6:33 am-7:10 am

2 stops19h 37m

Dublin

Fri 8/15

12:30 pm-9:58 am

1 stop26h 28m

$691

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Tue 8/19

1:55 pm-7:55 am

2 stops37h 00m

Dublin

Wed 8/27

6:40 pm-11:08 pm

2 stops33h 28m

$734

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Thu 10/23

2:40 pm-8:15 am

2 stops12h 35m

Dublin

Mon 11/10

9:00 am-7:22 pm

2 stops15h 22m

$753

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Wed 8/20

12:20 pm-8:25 am

2 stops15h 05m

Dublin

Thu 9/4

10:00 am-12:22 am

2 stops19h 22m

$805

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Thu 10/16

5:55 am-11:30 am

1 stop24h 35m

$250

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Thu 10/16

5:55 am-10:50 am

3 stops23h 55m

$284

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Tue 12/2

9:45 am-7:30 am

3 stops16h 45m

$3,549

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

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 July 25, 2025.

Booking 59 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, November is the cheapest month in which you can book a flight from Ottawa to Dublin (average of $509). Flying from Ottawa to Dublin in June is currently the most expensive (average of $924). 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.

What is the cheapest time of day to fly from YOW to DUB?

Find hourly flight availability from Ottawa to Dublin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 29, 2025.

It’s typically best to fly out from Ottawa to Dublin in the morning. Doing so could potentially save you 11% on the flight price compared to flying in the afternoon, which is usually more expensive.

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 July 29, 2025.
Read reviews from past customers who have flown Porter Airlines, SWISS, and United Airlines 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.
Porter Airlines
8.0
Very good
317 reviews

Food

7.6

Crew

8.7

Boarding

8.2

Overall

8.0

Entertainment

7.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Porter Airlines
8.0
Very good
317 reviews
Porter Airlines
8.0
Very good
317 reviews

Food

7.6

Crew

8.7

Boarding

8.2

Overall

8.0

Entertainment

7.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
SWISS
7.5
Good
1,683 reviews
Porter Airlines
8.0
Very good
317 reviews

Food

7.6

Crew

8.7

Boarding

8.2

Overall

8.0

Entertainment

7.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
United Airlines
7.4
Good
8,899 reviews
Porter Airlines
8.0
Very good
317 reviews

Food

7.6

Crew

8.7

Boarding

8.2

Overall

8.0

Entertainment

7.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
WestJet
7.2
Good
2,973 reviews
Porter Airlines
8.0
Very good
317 reviews

Food

7.6

Crew

8.7

Boarding

8.2

Overall

8.0

Entertainment

7.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Air Canada
7.1
Good
9,822 reviews
Porter Airlines
8.0
Very good
317 reviews

Food

7.6

Crew

8.7

Boarding

8.2

Overall

8.0

Entertainment

7.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

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.

  • What are the cheapest airlines flying from Ottawa to Dublin round-trip?

    Currently priced at $629, Lufthansa will fly you from Ottawa to Dublin and back. In addition to Lufthansa, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Porter Airlines and Aer Lingus - these airlines can fly you to your destination from $652 and $687, respectively. Users have found that Lufthansa 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, November is the cheapest month in which you can book a flight from Ottawa to Dublin (average of $509). Flying from Ottawa to Dublin in June is currently the most expensive (average of $924). 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
Swords
Wicklow
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
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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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$619Average$733FlexibilityNo cancel feeOn-time67%

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