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Cheap flights from Ottawa to Dublin from C$ 388

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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — DUB
25 Aug — 1 Sep1
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 July 2026.

Tue 13/106:25 p.m.
YOW
-
DUB
2 stops33h 15m
WestJet
Thu 22/1010:00 a.m.
DUB
-
YOW
2 stops19h 20m
WestJet
Deal found 26/7C$ 706
Sun 27/96:25 p.m.
YOW
-
DUB
2 stops33h 15m
WestJet
Thu 1/1010:00 a.m.
DUB
-
YOW
2 stops19h 20m
WestJet
Deal found 23/7C$ 726
Thu 24/96:25 p.m.
YOW
-
DUB
1 stop9h 55m
WestJet
Thu 1/1010:00 a.m.
DUB
-
YOW
2 stops19h 20m
WestJet
Deal found 22/7C$ 728
Mon 5/106:50 a.m.
YOW
-
DUB
2 stops44h 30m
WestJet
Tue 20/1010:10 a.m.
DUB
-
YOW
2 stops19h 10m
WestJet
Deal found 26/7C$ 733
Wed 16/96:25 p.m.
YOW
-
DUB
1 stop9h 55m
WestJet
Thu 15/1010:00 a.m.
DUB
-
YOW
2 stops36h 35m
WestJet
Deal found 21/7C$ 737
Mon 31/86:25 p.m.
YOW
-
DUB
2 stops32h 55m
WestJet
Sun 6/910:40 a.m.
DUB
-
YOW
1 stop18h 40m
WestJet
Deal found 24/7C$ 748
Wed 16/96:25 p.m.
YOW
-
DUB
1 stop9h 55m
WestJet
Fri 16/1010:40 a.m.
DUB
-
YOW
1 stop18h 40m
WestJet
Deal found 23/7C$ 765

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 July 2026.

Round-trip from

C$ 723

One-way from

C$ 388

Popular in

February

Cheapest in

July

Average price

C$ 820
WestJet
  • WestJet
  • 22/9-13/10
  • 4 total stops
  • 52h 05m total
  • Ottawa to Dublin
Search Deals
WestJet
  • WestJet
  • 9/8
  • 2 total stops
  • 20h 25m total
  • Ottawa to Dublin
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (C$ 220 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 43 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 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

Wed 16/9

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

1 stop9h 55m

Dublin

Thu 15/10

10:00 a.m.-5:35 p.m.

2 stops36h 35m

C$ 737

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Fri 4/9

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

1 stop23h 00m

Dublin

Fri 11/9

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

1 stop18h 40m

C$ 817

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Wed 16/9

6:55 a.m.-10:40 p.m.

2 stops34h 45m

Dublin

Thu 15/10

10:00 a.m.-5:35 p.m.

2 stops36h 35m

C$ 848

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Sun 13/9

7:00 a.m.-11:30 a.m.

1 stop23h 30m

Dublin

Wed 23/9

1:15 p.m.-8:05 a.m.

1 stop23h 50m

C$ 884

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Sat 3/10

7:00 a.m.-11:30 a.m.

1 stop23h 30m

Dublin

Sat 10/10

1:15 p.m.-2:55 p.m.

1 stop30h 40m

C$ 898

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Thu 24/9

9:25 p.m.-7:45 a.m.

1 stop29h 20m

Dublin

Thu 1/10

1:35 p.m.-9:11 a.m.

1 stop24h 36m

C$ 951

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Wed 5/8

11:15 a.m.-7:45 a.m.

1 stop15h 30m

Dublin

Sat 15/8

9:50 a.m.-11:30 a.m.

1 stop30h 40m

C$ 958
Quickest round-trip

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Sat 12/9

8:55 p.m.-11:30 a.m.

1 stop9h 35m

Dublin

Tue 15/9

1:15 p.m.-2:55 p.m.

1 stop30h 40m

C$ 960

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Sat 3/10

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

1 stop9h 55m

Dublin

Sat 10/10

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

2 stops36h 55m

C$ 969
Cheapest one-way

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Tue 15/9

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

2 stops24h 10m

C$ 392

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/7

Showing 1-10 of 17 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?

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 58 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, July is the cheapest month in which you can book a flight from Ottawa to Dublin (average of C$ 820). Flying from Ottawa to Dublin in February is currently the most expensive (average of C$ 1,317). 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?

Airfare is below average for this route at the moment.

Ottawa to Dublin flights typically cost between C$ 765 and C$ 1,035 in September.
The cheapest round-trip price found within the last 5 days was C$ 723 on WestJet (22 Sep-13 Oct).

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 July 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
448 reviews
Check prices

Food

7.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.6

Entertainment

6.9

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Porter Airlines
8.0
Very good
448 reviews
Porter Airlines
8.0
Very good
448 reviews
Check prices

Food

7.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.6

Entertainment

6.9

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Air Transat
7.8
Good
568 reviews
Porter Airlines
8.0
Very good
448 reviews
Check prices

Food

7.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.6

Entertainment

6.9

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Aer Lingus
7.3
Good
1,681 reviews
Porter Airlines
8.0
Very good
448 reviews
Check prices

Food

7.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.6

Entertainment

6.9

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
WestJet
7.2
Good
3,415 reviews
Porter Airlines
8.0
Very good
448 reviews
Check prices

Food

7.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.6

Entertainment

6.9

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Air Canada
7.1
Good
11,387 reviews
Porter Airlines
8.0
Very good
448 reviews
Check prices

Food

7.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.6

Entertainment

6.9

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

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 9h 55m. The time it takes to get you to your destination can typically vary by up to 13h 35m. 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$ 624 on this airline. Additional options worth looking into are Porter Airlines and Air Transat, starting at C$ 643 and C$ 655 round-trip. WestJet is priced at 37% lower than the current average price of a flight leaving 3 months from now.

  • 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, July is the cheapest month in which you can book a flight from Ottawa to Dublin (average of C$ 820). Flying from Ottawa to Dublin in February is currently the most expensive (average of C$ 1,317). 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
Swords
Athlone

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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 26 July 2026.
Air Canada flights from Ottawa to Dublin
Air Transat flights from Ottawa to Dublin
Lufthansa flights from Ottawa to Dublin

Top 6 airlines flying from Ottawa to Dublin

Discover the top 6 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 July 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 624AverageC$ 778FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Porter AirlinesCheapestC$ 643AverageC$ 889FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 655AverageC$ 871FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Aer LingusCheapestC$ 781AverageC$ 992FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air CanadaCheapestC$ 880AverageC$ 1,067FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapestC$ 908AverageC$ 1,110FlexibilityNo cancel feeOn-time76%
Search Lufthansa 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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