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Cheap flights from Ottawa to Dublin from C$ 352

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 29/6. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — DUB
25 feb. — 4 mar.1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ottawa to Dublin

Enter your travel dates to find the best prices.

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 26 enero 2026.

dom. 17/56:25 p.m.
YOW
-
DUB
1 stop9h 55m
WestJet
mié. 27/59:40 a.m.
DUB
-
YOW
2 stops12h 55m
WestJet
Deal found 25/1C$ 594
mar. 5/55:55 a.m.
YOW
-
DUB
2 stops21h 25m
WestJet
mar. 19/512:15 p.m.
DUB
-
YOW
1 stop10h 20m
WestJet
Deal found 25/1C$ 596
sáb. 16/56:25 p.m.
YOW
-
DUB
2 stops32h 55m
WestJet
sáb. 23/59:40 a.m.
DUB
-
YOW
2 stops19h 40m
WestJet
Deal found 26/1C$ 597
sáb. 2/56:25 p.m.
YOW
-
DUB
2 stops32h 55m
WestJet
lun. 11/59:40 a.m.
DUB
-
YOW
2 stops19h 40m
WestJet
Deal found 25/1C$ 599
jue. 4/66:25 p.m.
YOW
-
DUB
1 stop11h 30m
WestJet
dom. 14/612:15 p.m.
DUB
-
YOW
1 stop17h 05m
WestJet
Deal found 25/1C$ 600
sáb. 16/56:35 p.m.
YOW
-
DUB
2 stops32h 45m
WestJet
dom. 24/512:15 p.m.
DUB
-
YOW
1 stop10h 20m
WestJet
Deal found 24/1C$ 601
mar. 5/56:25 p.m.
YOW
-
DUB
1 stop9h 55m
WestJet
sáb. 9/510:40 a.m.
DUB
-
YOW
1 stop11h 55m
WestJet
Deal found 25/1C$ 603
sáb. 2/56:25 p.m.
YOW
-
DUB
2 stops32h 55m
WestJet
dom. 10/510:40 a.m.
DUB
-
YOW
1 stop18h 40m
WestJet
Deal found 25/1C$ 604
lun. 18/55:55 a.m.
YOW
-
DUB
1 stop22h 25m
WestJet
sáb. 23/510:40 a.m.
DUB
-
YOW
1 stop11h 55m
WestJet
Deal found 25/1C$ 609
vie. 12/65:55 a.m.
YOW
-
DUB
2 stops21h 25m
WestJet
sáb. 27/69:40 a.m.
DUB
-
YOW
2 stops12h 55m
WestJet
Deal found 24/1C$ 620

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 26 enero 2026.

Round-trip from

C$ 594

One-way from

C$ 352

Popular in

March

Cheapest in

September

Average price

C$ 1,030
WestJet
  • WestJet
  • 17/5-27/5
  • 3 total stops
  • 22h 50m total
  • Ottawa to Dublin
Search Deals
WestJet
  • WestJet
  • 29/6
  • 1 total stop
  • 9h 45m total
  • Ottawa to Dublin
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 120 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 629,999 searches. Data last updated 26 enero 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

sáb. 16/5

6:35 p.m.-8:20 a.m.

2 stops32h 45m

Dublin

dom. 24/5

12:15 p.m.-5:35 p.m.

1 stop10h 20m

C$ 601

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

sáb. 2/5

6:35 p.m.-8:20 a.m.

2 stops32h 45m

Dublin

dom. 10/5

10:40 a.m.-5:35 p.m.

1 stop11h 55m

C$ 601

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

sáb. 16/5

6:25 p.m.-8:20 a.m.

2 stops32h 55m

Dublin

sáb. 23/5

10:40 a.m.-5:35 p.m.

1 stop11h 55m

C$ 603

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

vie. 12/6

5:55 a.m.-10:55 a.m.

1 stop24h 00m

Dublin

sáb. 27/6

9:40 a.m.-12:20 a.m.

2 stops19h 40m

C$ 626

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

dom. 17/5

5:55 a.m.-8:20 a.m.

2 stops21h 25m

Dublin

mié. 27/5

9:40 a.m.-5:35 p.m.

2 stops12h 55m

C$ 630

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

dom. 17/5

5:55 a.m.-8:20 a.m.

2 stops21h 25m

Dublin

vie. 22/5

10:40 a.m.-5:35 p.m.

1 stop11h 55m

C$ 630

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

sáb. 20/6

6:25 p.m.-8:20 a.m.

2 stops32h 55m

Dublin

dom. 28/6

12:15 p.m.-12:20 a.m.

1 stop17h 05m

C$ 631

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

vie. 15/5

5:55 a.m.-8:20 a.m.

2 stops21h 25m

Dublin

vie. 22/5

12:15 p.m.-5:35 p.m.

1 stop10h 20m

C$ 633

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

mar. 19/5

6:25 p.m.-9:20 a.m.

1 stop9h 55m

Dublin

jue. 21/5

10:40 a.m.-5:35 p.m.

1 stop11h 55m

C$ 633

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

mar. 26/5

6:25 p.m.-11:35 p.m.

2 stops24h 10m

C$ 400

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/1

Showing 1-10 of 16 results
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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 23 January 2026.

The price you pay for your flight from Ottawa to Dublin may vary depending on when you book. For the best chance of a lower fare, look to book 78 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 C$ 592). Flying from Ottawa to Dublin in December is currently the most expensive (average of C$ 863). 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 26 enero 2026.
Read through reviews of airlines operating flights from Ottawa to Dublin, such as Porter Airlines,Air Transat, andAer Lingus. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
7.9
Good
412 reviews
Check prices

Comfort

7.9

Boarding

8.2

Overall

7.9

Entertainment

6.9

Crew

8.6

Food

7.5

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Porter Airlines
7.9
Good
412 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Comfort

7.9

Boarding

8.2

Overall

7.9

Entertainment

6.9

Crew

8.6

Food

7.5

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air Transat
7.7
Good
501 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Comfort

7.9

Boarding

8.2

Overall

7.9

Entertainment

6.9

Crew

8.6

Food

7.5

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Aer Lingus
7.2
Good
1,442 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Comfort

7.9

Boarding

8.2

Overall

7.9

Entertainment

6.9

Crew

8.6

Food

7.5

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
WestJet
7.2
Good
3,250 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Comfort

7.9

Boarding

8.2

Overall

7.9

Entertainment

6.9

Crew

8.6

Food

7.5

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air Canada
7.1
Good
10,656 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Comfort

7.9

Boarding

8.2

Overall

7.9

Entertainment

6.9

Crew

8.6

Food

7.5

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

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?

    Airlines like WestJet fly from Ottawa to Dublin in about 32h 45m. The time it takes to get you to your destination can typically vary by up to . The distance between Ottawa and Dublin is about 4899 km.

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

    Our cheapest airline available from Ottawa to Dublin is WestJet. Our recent data shows that you can find tickets from as low as C$ 627 on this airline. Additional options worth looking into are Air Transat and Porter Airlines, starting at C$ 633 and C$ 637 round-trip. WestJet is priced at 35% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Ottawa to Dublin one-way?

    C$ 350 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Air Canada and Aer Lingus, with prices starting from C$ 490 and C$ 575, respectively.

  • 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 C$ 592). Flying from Ottawa to Dublin in December is currently the most expensive (average of C$ 863). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly from Ottawa to Dublin on these airlines

Choose from the following airlines for your flight from Ottawa to Dublin. Flights are based on user searches made on Cheapflights and were last updated on 26 enero 2026.
Air Canada flights from Ottawa to Dublin
Air Transat flights from Ottawa to Dublin
Lufthansa flights from Ottawa to Dublin

Top 7 airlines flying from Ottawa to Dublin

Discover the top 7 airlines 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 629,999 searches. Data last updated 26 enero 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 627AverageC$ 717FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air TransatCheapestC$ 633AverageC$ 833FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapestC$ 637AverageC$ 839FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Aer LingusCheapestC$ 759AverageC$ 991FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air CanadaCheapestC$ 827AverageC$ 952FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapestC$ 850AverageC$ 922FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapestC$ 921AverageC$ 1,128FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ottawa to Dublin?

Deals for Ottawa to Dublin flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Ottawa to Dublin?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Ottawa to Dublin.

Can Cheapflights find flights from Ottawa to Dublin with no change fees?

Yes, we can. To see specific flights from Ottawa to Dublin with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Ottawa to Dublin become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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