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Cheap flights from Ottawa to Dublin from C$ 342

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 4/10. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — DUB
3 Aug — 10 Aug1
1 adult

Cheapflights Tip: The best prices from Ottawa to Dublin are usually found in August or June, booked 59 days in advance, depart on a Monday or Wednesday and return on a Monday

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 29 July 2025.

Round-trip from

C$ 722

One-way from

C$ 342

Popular in

December

Cheapest in

August

Average price

C$ 915
24/9-8/10
  • 24/9-8/10
  • 2 total stops
  • 40h 42m total
  • Ottawa to Dublin
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4/10
  • 4/10
  • 1 total stop
  • 24h 35m total
  • Ottawa to Dublin
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 142 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 20 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 29 July 2025.

Wed 24/95:55 a.m.YOW - DUB
1 stop24h 35mMultiple Airlines
Wed 8/101:15 p.m.DUB - YOW
1 stop16h 07mMultiple Airlines
Deal found 28/7C$ 722
Thu 11/98:55 p.m.YOW - DUB
1 stop29h 50mAir Canada
Thu 18/99:20 a.m.DUB - YOW
2 stops15h 57mAir Canada
Deal found 28/7C$ 820
Sun 17/88:55 p.m.YOW - DUB
1 stop29h 50mLufthansa
Thu 4/99:20 a.m.DUB - YOW
1 stop17h 44mLufthansa
Deal found 27/7C$ 863
Wed 20/82:20 p.m.YOW - DUB
1 stop16h 10mPorter Airlines
Wed 27/81:15 p.m.DUB - YOW
1 stop16h 06mPorter Airlines
Deal found 27/7C$ 894
Tue 14/101:55 p.m.YOW - DUB
1 stop10h 00mAer Lingus
Tue 21/101:15 p.m.DUB - YOW
1 stop12h 54mAer Lingus
Deal found 28/7C$ 941
Tue 5/86:33 a.m.YOW - DUB
2 stops22h 47mUnited Airlines
Tue 12/88:50 a.m.DUB - YOW
2 stops18h 15mUnited Airlines
Deal found 29/7C$ 948

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 29 July 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

Wed 24/9

5:55 a.m.-11:30 a.m.

1 stop24h 35m

Dublin

Wed 8/10

1:15 p.m.-12:22 a.m.

1 stop16h 07m

C$ 722

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Thu 11/9

8:55 p.m.-7:45 a.m.

1 stop29h 50m

Dublin

Thu 18/9

9:20 a.m.-8:17 p.m.

2 stops15h 57m

C$ 820

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Sun 17/8

8:55 p.m.-7:45 a.m.

1 stop29h 50m

Dublin

Thu 4/9

9:20 a.m.-10:04 p.m.

1 stop17h 44m

C$ 863

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Wed 20/8

5:05 p.m.-11:30 a.m.

1 stop13h 25m

Dublin

Wed 27/8

1:15 p.m.-10:21 a.m.

1 stop26h 06m

C$ 879

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Tue 14/10

1:55 p.m.-4:55 a.m.

1 stop10h 00m

Dublin

Tue 21/10

1:15 p.m.-9:09 p.m.

1 stop12h 54m

C$ 941

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Tue 5/8

6:33 a.m.-10:20 a.m.

2 stops22h 47m

Dublin

Tue 12/8

8:50 a.m.-10:05 p.m.

2 stops18h 15m

C$ 948

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Sat 4/10

5:55 a.m.-11:30 a.m.

1 stop24h 35m

C$ 342

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Thu 16/10

5:55 a.m.-10:50 a.m.

3 stops23h 55m

C$ 390

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Wed 27/8

9:20 a.m.-4:55 a.m.

1 stop14h 35m

C$ 2,364

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/7

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 25 July 2025.

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 59 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, January is the cheapest month in which you can book a flight from Ottawa to Dublin (average of C$ 458). Flying from Ottawa to Dublin in December is currently the most expensive (average of C$ 760). 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 29 July 2025.

A simple way to save on the total cost of your ticket is to fly from Ottawa to Dublin in the evening. If you’re flexible enough to do this you can expect to save up to 12% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Ottawa to Dublin?

Use this chart to determine the cheapest time to fly round-trip from Ottawa to Dublin. Price data was last updated on 16 December 2024.

Travelers seeking maximum savings on their Ottawa to Dublin flight should consider departing on Saturday evenings when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

What’s the top layover airport for flights from Ottawa to Dublin?

Share of one-stop round-trip flights from Ottawa to Dublin chosen by Cheapflights users in the past 12 months, using the same layover each way.

Toronto (YYZ) – chosen by Cheapflights users on 79% of one-stop itineraries from Ottawa to Dublin on Cheapflights.

What’s the cheapest layover airport for flights from Ottawa to Dublin?

Average round-trip fare for 1-stop flights from Ottawa to Dublin, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Newark (EWR) is the most affordable 1-stop option, with an average round-trip price of C$ 1,048.

What’s the fastest layover option from Ottawa to Dublin?

Shortest average travel time for 1-stop one-way flights from Ottawa to Dublin, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Paris (CDG) have the shortest average one-way travel time for 1-stop routes: 5h 11m.

Which airport typically offers the quickest layover for flights from Ottawa to Dublin?

Average layover duration for 1-stop one-way flights from Ottawa to Dublin, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Montreal (YUL) offer the fastest connection on this route, with an average layover time of 2h 03m.

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 29 July 2025.
Read through reviews of airlines operating flights from Ottawa to Dublin, such as Porter Airlines,United Airlines, andWestJet. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
317 reviews
Check prices

Comfort

8.0

Entertainment

7.0

Boarding

8.2

Food

7.6

Crew

8.7

Overall

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
Check prices

Comfort

8.0

Entertainment

7.0

Boarding

8.2

Food

7.6

Crew

8.7

Overall

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
Check prices

Comfort

8.0

Entertainment

7.0

Boarding

8.2

Food

7.6

Crew

8.7

Overall

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
Check prices

Comfort

8.0

Entertainment

7.0

Boarding

8.2

Food

7.6

Crew

8.7

Overall

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
Check prices

Comfort

8.0

Entertainment

7.0

Boarding

8.2

Food

7.6

Crew

8.7

Overall

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
Aer Lingus
7.1
Good
1,190 reviews
Porter Airlines
8.0
Very good
317 reviews
Check prices

Comfort

8.0

Entertainment

7.0

Boarding

8.2

Food

7.6

Crew

8.7

Overall

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?

    Our cheapest airline available from Ottawa to Dublin is Air Canada. Our recent data shows that you can find tickets from as low as C$ 820 on this airline. Additional options worth looking into are Lufthansa and Porter Airlines, starting at C$ 863 and C$ 879 round-trip. Air Canada is priced at 19% 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, January is the cheapest month in which you can book a flight from Ottawa to Dublin (average of C$ 458). Flying from Ottawa to Dublin in December is currently the most expensive (average of C$ 760). 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

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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 29 July 2025.
Air Canada flights from Ottawa to Dublin
Air Transat flights from Ottawa to Dublin
Lufthansa flights from Ottawa to Dublin

Top 8 airlines flying from Ottawa to Dublin

Discover the top 8 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 29 July 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 627AverageC$ 851FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Aer LingusCheapestC$ 688AverageC$ 913FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air TransatCheapestC$ 714AverageC$ 840FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapestC$ 817AverageC$ 859FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 833AverageC$ 1,013FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapestC$ 853AverageC$ 1,152FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air FranceCheapestC$ 884AverageC$ 1,144FlexibilityNo cancel feeOn-time77%
Search Air France flights
United AirlinesCheapestC$ 922AverageC$ 1,057FlexibilityNo 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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