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Cheap flights from Ottawa to Dublin from C$ 346

YOW — DUB
8 Oct — 15 Oct1
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

Mon 12/108:35 a.m. -
1 stop21h 15m
Fri 16/101:00 p.m. -
1 stop21h 35m
Deal found 3/9C$ 749
Wed 23/96:25 p.m. -
1 stop9h 55m
Sat 3/1011:20 a.m. -
1 stop11h 15m
Deal found 5/9C$ 759
Fri 2/1010:00 a.m. -
2 stops30h 45m
Sun 11/106:45 a.m. -
2 stops15h 50m
Deal found 3/9C$ 774
Thu 1/1010:00 a.m. -
2 stops32h 25m
Tue 6/107:40 a.m. -
2 stops17h 25m
Deal found 7/9C$ 804
Sat 10/106:55 a.m. -
1 stop21h 25m
Tue 20/109:45 p.m. -
2 stops48h 38m
Deal found 3/9C$ 817
Thu 8/106:50 a.m. -
1 stop21h 30m
Tue 20/109:45 p.m. -
2 stops48h 38m
Deal found 3/9C$ 820
Thu 8/106:50 a.m. -
1 stop21h 30m
Fri 16/101:00 p.m. -
1 stop31h 20m
Deal found 3/9C$ 828
Sun 11/1012:25 p.m. -
2 stops41h 25m
Fri 16/101:00 p.m. -
2 stops28h 30m
Deal found 3/9C$ 831
Thu 1/104:00 p.m. -
2 stops26h 25m
Mon 19/107:25 a.m. -
2 stops29h 40m
Deal found 5/9C$ 833
Sat 10/106:55 a.m. -
1 stop21h 25m
Thu 15/104:20 p.m. -
2 stops32h 40m
Deal found 3/9C$ 840
Mon 12/106:50 a.m. -
2 stops23h 00m
Fri 16/101:00 p.m. -
2 stops27h 35m
Deal found 3/9C$ 842

Find flight deals from Ottawa to Dublin

Round-trip from

C$ 749

One-way from

C$ 346

Popular in

February

Cheapest in

August

Average price

C$ 886
WestJet
  • WestJet
  • 12/10-16/10
  • 2 total stops
  • 42h 50m total
  • Ottawa to Dublin
Search Deals
3/10-31/12
  • 3/10-31/12
  • 1 total stop
  • 23h 35m total
  • Ottawa to Dublin
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (C$ 244 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 41 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

Cheapflights Fare Finder

 
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 Ottawa - DUB Dublin

YOWDUB

Ottawa

Sat 3/10

6:25 p.m.-11:30 a.m.

1 stop12h 05m

Dublin

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 354

OttawaDublin

YOW Ottawa - DUB Dublin

YOWDUB

Ottawa

Thu 1/10

6:55 a.m.-11:30 a.m.

1 stop23h 35m

Dublin

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 364

OttawaDublin

YOW Ottawa - DUB Dublin

YOWDUB

Ottawa

Sat 24/10

7:00 a.m.-9:20 a.m.

1 stop21h 20m

Dublin

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 373
Quickest round-trip

OttawaDublin

YOW Ottawa - DUB Dublin

YOWDUB

Ottawa

Thu 1/10

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

1 stop9h 55m

Dublin

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 380

OttawaDublin

YOW Ottawa - DUB Dublin

YOWDUB

Ottawa

Fri 9/10

7:40 p.m.-10:20 a.m.

1 stop33h 40m

Dublin

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 419

OttawaDublin

YOW Ottawa - DUB Dublin

YOWDUB

Ottawa

Sun 27/9

7:40 p.m.-6:50 p.m.

2 stops18h 10m

Dublin

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 456

OttawaDublin

YOW Ottawa - DUB Dublin

YOWDUB

Ottawa

Thu 8/10

6:05 a.m.-7:20 a.m.

2 stops20h 15m

Dublin

Thu 15/10

1:35 p.m.-9:56 a.m.

2 stops25h 21m

C$ 973

OttawaDublin

YOW Ottawa - DUB Dublin

YOWDUB

Ottawa

Sat 19/9

2:52 p.m.-10:40 a.m.

1 stop14h 48m

Dublin

Sat 3/10

1:35 p.m.-10:35 p.m.

1 stop14h 00m

C$ 973

OttawaDublin

YOW Ottawa - DUB Dublin

YOWDUB

Ottawa

Mon 21/9

7:30 p.m.-10:40 a.m.

1 stop10h 10m

Dublin

Wed 7/10

1:35 p.m.-10:35 p.m.

1 stop14h 00m

C$ 973

OttawaDublin

YOW Ottawa - DUB Dublin

YOWDUB

Ottawa

Mon 21/9

5:57 p.m.-11:10 a.m.

1 stop12h 13m

Dublin

Tue 6/10

1:35 p.m.-10:35 p.m.

1 stop14h 00m

C$ 973

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

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

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, August is the cheapest month in which you can book a flight from Ottawa to Dublin (average of C$ 786). Flying from Ottawa to Dublin in February is currently the most expensive (average of C$ 1,292). 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 typical for this route at the moment.

Ottawa to Dublin flights typically cost between C$ 749 and C$ 1,144 in September.
The cheapest round-trip price found within the last 5 days was C$ 759 on WestJet (23 Sep-3 Oct).

Reviews of airlines servicing Dublin

Read through reviews of airlines operating flights from Ottawa to Dublin, such as Porter Airlines,Air Transat, andWestJet. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
458 reviews
Check prices

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

6.9

Boarding

8.2

Food

7.6

Reviews

1 / 20
10.0
Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.
Porter Airlines
8.0
Very good
458 reviews
Porter Airlines
8.0
Very good
458 reviews
Check prices

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

6.9

Boarding

8.2

Food

7.6

Reviews

1 / 20
10.0
Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.
Air Transat
7.8
Good
577 reviews
Porter Airlines
8.0
Very good
458 reviews
Check prices

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

6.9

Boarding

8.2

Food

7.6

Reviews

1 / 20
10.0
Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.
WestJet
7.2
Good
3,447 reviews
Porter Airlines
8.0
Very good
458 reviews
Check prices

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

6.9

Boarding

8.2

Food

7.6

Reviews

1 / 20
10.0
Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.
Air Canada
7.1
Good
11,601 reviews
Porter Airlines
8.0
Very good
458 reviews
Check prices

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

6.9

Boarding

8.2

Food

7.6

Reviews

1 / 20
10.0
Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.
Lufthansa
6.8
Okay
8,217 reviews
Porter Airlines
8.0
Very good
458 reviews
Check prices

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

6.9

Boarding

8.2

Food

7.6

Reviews

1 / 20
10.0
Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.

Related info for your journey

  • How long is the flight from Ottawa to Dublin?

    Airlines like United Airlines fly from Ottawa to Dublin in about 20h 15m. 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$ 612 on this airline. Additional options worth looking into are Porter Airlines and Air Transat, starting at C$ 631 and C$ 643 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, August is the cheapest month in which you can book a flight from Ottawa to Dublin (average of C$ 786). Flying from Ottawa to Dublin in February is currently the most expensive (average of C$ 1,292). 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

Browse thousands of different options on Cheapflights for your next trip

Fly from Ottawa to Dublin on these airlines

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

AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 612AverageC$ 764FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Porter AirlinesCheapestC$ 631AverageC$ 850FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 643AverageC$ 841FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Aer LingusCheapestC$ 756AverageC$ 973FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air CanadaCheapestC$ 876AverageC$ 1,099FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapestC$ 891AverageC$ 1,186FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

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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.

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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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