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Cheap flights from Ottawa to Dublin from C$ 366

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 29/8. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — DUB
12 Apr — 19 Apr1
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 13 March 2026.

Sat 25/42:05 p.m.
YOW
-
DUB
1 stop13h 10m
Lufthansa
Sun 3/59:20 a.m.
DUB
-
YOW
1 stop10h 51m
Lufthansa
Deal found 9/3C$ 654
Tue 22/96:25 p.m.
YOW
-
DUB
2 stops32h 55m
WestJet
Tue 13/1010:00 a.m.
DUB
-
YOW
2 stops19h 20m
WestJet
Deal found 10/3C$ 673
Thu 11/66:25 p.m.
YOW
-
DUB
2 stops32h 55m
WestJet
Mon 15/69:40 a.m.
DUB
-
YOW
2 stops19h 40m
WestJet
Deal found 9/3C$ 680
Wed 15/76:55 a.m.
YOW
-
DUB
2 stops20h 25m
WestJet
Thu 30/79:40 a.m.
DUB
-
YOW
2 stops19h 40m
WestJet
Deal found 8/3C$ 682
Thu 4/66:25 p.m.
YOW
-
DUB
2 stops32h 55m
WestJet
Tue 16/610:40 a.m.
DUB
-
YOW
1 stop11h 55m
WestJet
Deal found 10/3C$ 683
Sun 4/106:55 a.m.
YOW
-
DUB
2 stops20h 25m
WestJet
Sat 17/109:40 a.m.
DUB
-
YOW
2 stops19h 40m
WestJet
Deal found 8/3C$ 684
Fri 12/66:55 a.m.
YOW
-
DUB
2 stops20h 25m
WestJet
Sun 21/610:40 a.m.
DUB
-
YOW
1 stop11h 55m
WestJet
Deal found 9/3C$ 686
Fri 5/66:55 a.m.
YOW
-
DUB
2 stops20h 25m
WestJet
Fri 19/612:15 p.m.
DUB
-
YOW
1 stop10h 20m
WestJet
Deal found 10/3C$ 690
Tue 18/86:55 a.m.
YOW
-
DUB
2 stops20h 25m
WestJet
Wed 26/89:40 a.m.
DUB
-
YOW
2 stops19h 40m
WestJet
Deal found 8/3C$ 698

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 13 March 2026.

Round-trip from

C$ 654

One-way from

C$ 366

Popular in

February

Cheapest in

June

Average price

C$ 1,071
Lufthansa
  • Lufthansa
  • 25/4-3/5
  • 2 total stops
  • 24h 01m total
  • Ottawa to Dublin
Search Deals
WestJet
  • WestJet
  • 29/8
  • 2 total stops
  • 32h 55m total
  • Ottawa to Dublin
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 165 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 13 March 2026.
Use the filters below to find and compare flights from Ottawa to Dublin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Sat 22/8

6:25 p.m.-10:55 a.m.

1 stop11h 30m

Dublin

Sun 30/8

10:40 a.m.-12:20 a.m.

1 stop18h 40m

C$ 720

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Wed 24/6

6:55 a.m.-8:20 a.m.

2 stops20h 25m

Dublin

Sun 28/6

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

1 stop10h 20m

C$ 758

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Mon 22/6

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

2 stops32h 55m

Dublin

Fri 3/7

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

1 stop11h 55m

C$ 770

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Thu 7/5

8:40 a.m.-11:30 a.m.

1 stop21h 50m

Dublin

Mon 25/5

1:15 p.m.-12:25 a.m.

1 stop16h 10m

C$ 807

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Thu 7/5

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

2 stops32h 55m

Dublin

Mon 25/5

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

2 stops19h 40m

C$ 845

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Sat 4/7

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

1 stop9h 55m

Dublin

Sun 2/8

10:40 a.m.-12:20 a.m.

1 stop18h 40m

C$ 863

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Sun 24/5

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

1 stop9h 55m

Dublin

Sat 30/5

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

2 stops36h 55m

C$ 891
Quickest round-trip

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Mon 22/6

4:00 p.m.-11:30 a.m.

1 stop14h 30m

Dublin

Fri 3/7

1:15 p.m.-8:00 p.m.

1 stop11h 45m

C$ 928

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Thu 25/6

6:25 p.m.-10:55 a.m.

1 stop11h 30m

Dublin

Sun 28/6

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

1 stop17h 05m

C$ 941

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Fri 12/6

6:55 a.m.-8:20 a.m.

2 stops20h 25m

Dublin

Sun 21/6

12:15 p.m.-11:35 a.m.

2 stops28h 20m

C$ 1,009

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/3

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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 6 March 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, May is the cheapest month in which you can book a flight from Ottawa to Dublin (average of C$ 551). Flying from Ottawa to Dublin in December is currently the most expensive (average of C$ 857). 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.

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 13 March 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
8.0
Very good
423 reviews
Check prices

Comfort

8.0

Food

7.6

Overall

8.0

Boarding

8.2

Entertainment

7.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Porter Airlines
8.0
Very good
423 reviews
Porter Airlines
8.0
Very good
423 reviews
Check prices

Comfort

8.0

Food

7.6

Overall

8.0

Boarding

8.2

Entertainment

7.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Air Transat
7.7
Good
521 reviews
Porter Airlines
8.0
Very good
423 reviews
Check prices

Comfort

8.0

Food

7.6

Overall

8.0

Boarding

8.2

Entertainment

7.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Aer Lingus
7.2
Good
1,477 reviews
Porter Airlines
8.0
Very good
423 reviews
Check prices

Comfort

8.0

Food

7.6

Overall

8.0

Boarding

8.2

Entertainment

7.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
WestJet
7.2
Good
3,292 reviews
Porter Airlines
8.0
Very good
423 reviews
Check prices

Comfort

8.0

Food

7.6

Overall

8.0

Boarding

8.2

Entertainment

7.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Air Canada
7.1
Good
10,800 reviews
Porter Airlines
8.0
Very good
423 reviews
Check prices

Comfort

8.0

Food

7.6

Overall

8.0

Boarding

8.2

Entertainment

7.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.

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 and Air Transat fly from Ottawa to Dublin in about 11h 30m. The time it takes to get you to your destination can typically vary by up to 10h 20m. The distance between Ottawa and Dublin is about 4899 km. Both multi-stop and direct flights can be found to your destination and back.

  • 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$ 601 on this airline. Additional options worth looking into are Air Transat and Porter Airlines, starting at C$ 626 and C$ 633 round-trip. WestJet is priced at 37% 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$ 330 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$ 487 and C$ 571, 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, May is the cheapest month in which you can book a flight from Ottawa to Dublin (average of C$ 551). Flying from Ottawa to Dublin in December is currently the most expensive (average of C$ 857). 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

Travelling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
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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 13 March 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 13 March 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 601AverageC$ 692FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air TransatCheapestC$ 626AverageC$ 841FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapestC$ 633AverageC$ 837FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Aer LingusCheapestC$ 754AverageC$ 969FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air CanadaCheapestC$ 819AverageC$ 943FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapestC$ 844AverageC$ 908FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapestC$ 914AverageC$ 1,121FlexibilityNo 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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