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Cheap flights from Ottawa to Dublin from C$ 447

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 28/5. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — DUB
15 Apr — 22 Apr1
1 adult

Cheapflights Tip: The best prices from Ottawa to Dublin are usually found in October 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 10 April 2025.

Round-trip from

C$ 876

One-way from

C$ 447

Popular in

December

Cheapest in

October

Average price

C$ 1,124
Air Canada
  • Air Canada
  • 30/5-14/6
  • 3 total stops
  • 45h 15m total
  • Ottawa to Dublin
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WestJet
  • WestJet
  • 28/5
  • 1 total stop
  • 23h 05m total
  • Ottawa to Dublin
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 94 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease (C$ 16 potential savings vs. average RT price).
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Average for round-trip flights in April 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 10 April 2025.

Sat 12/78:55 p.m.YOW - DUB
1 stop29h 50mLufthansa
Tue 12/89:20 a.m.DUB - YOW
1 stop17h 45mLufthansa
Deal found 9/4C$ 869
Fri 30/59:55 p.m.YOW - DUB
1 stop29h 20mAir Canada
Sat 14/69:20 a.m.DUB - YOW
2 stops15h 55mAir Canada
Deal found 8/4C$ 876
Mon 30/67:00 a.m.YOW - DUB
1 stop23h 30mPorter Airlines
Tue 29/71:15 p.m.DUB - YOW
1 stop12h 56mPorter Airlines
Deal found 9/4C$ 893
Wed 4/65:55 a.m.YOW - DUB
2 stops21h 30mWestJet
Sat 28/610:15 a.m.DUB - YOW
1 stop19h 07mWestJet
Deal found 10/4C$ 921
Tue 1/711:20 a.m.YOW - DUB
1 stop19h 10mAir Transat
Thu 31/71:15 p.m.DUB - YOW
1 stop16h 06mAir Transat
Deal found 9/4C$ 923
Mon 22/96:40 p.m.YOW - DUB
1 stop8h 05mMultiple Airlines
Mon 6/1012:30 p.m.DUB - YOW
2 stops14h 34mMultiple Airlines
Deal found 9/4C$ 927
Fri 4/710:37 a.m.YOW - DUB
2 stops18h 43mUnited Airlines
Tue 29/78:50 a.m.DUB - YOW
2 stops17h 45mUnited Airlines
Deal found 9/4C$ 958
Fri 7/1110:10 a.m.YOW - DUB
1 stop14h 05mAer Lingus
Wed 19/111:05 p.m.DUB - YOW
1 stop13h 12mAer Lingus
Deal found 9/4C$ 974
Mon 2/62:25 p.m.YOW - DUB
2 stops16h 45mSWISS
Mon 16/66:40 p.m.DUB - YOW
2 stops29h 24mSWISS
Deal found 9/4C$ 1,318
Fri 11/75:15 p.m.YOW - DUB
2 stops18h 25mKLM
Mon 11/85:55 a.m.DUB - YOW
2 stops14h 10mKLM
Deal found 9/4C$ 1,630
Thu 23/105:15 p.m.YOW - DUB
1 stop10h 00mAir France
Tue 4/116:00 a.m.DUB - YOW
1 stop14h 10mAir France
Deal found 9/4C$ 4,611

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 10 April 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

Sat 12/7

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

1 stop29h 50m

Dublin

Thu 7/8

9:20 a.m.-5:15 p.m.

1 stop12h 55m

C$ 869

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Fri 30/5

9:55 p.m.-8:15 a.m.

1 stop29h 20m

Dublin

Sat 14/6

9:20 a.m.-8:15 p.m.

2 stops15h 55m

C$ 876

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Mon 30/6

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

1 stop23h 30m

Dublin

Tue 29/7

1:15 p.m.-9:11 p.m.

1 stop12h 56m

C$ 893

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Tue 1/7

11:20 a.m.-11:30 a.m.

1 stop19h 10m

Dublin

Thu 31/7

1:15 p.m.-12:21 a.m.

1 stop16h 06m

C$ 923

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Mon 22/9

6:40 p.m.-7:45 a.m.

1 stop8h 05m

Dublin

Mon 6/10

12:30 p.m.-10:04 p.m.

2 stops14h 34m

C$ 927

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Fri 4/7

10:37 a.m.-7:10 a.m.

2 stops15h 33m

Dublin

Wed 30/7

8:50 a.m.-9:35 p.m.

2 stops17h 45m

C$ 958

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Wed 2/7

12:20 p.m.-8:25 a.m.

2 stops15h 05m

Dublin

Sun 3/8

10:30 a.m.-12:22 a.m.

1 stop18h 52m

C$ 1,079

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Mon 2/6

2:25 p.m.-12:10 p.m.

2 stops16h 45m

Dublin

Mon 16/6

6:40 p.m.-7:04 p.m.

2 stops29h 24m

C$ 1,318

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Fri 11/7

5:15 p.m.-4:40 p.m.

2 stops18h 25m

Dublin

Mon 11/8

5:55 a.m.-3:05 p.m.

2 stops14h 10m

C$ 1,630

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Wed 28/5

5:55 a.m.-10:00 a.m.

1 stop23h 05m

C$ 447

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/4

Showing 1-10 of 11 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 4 April 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 10 April 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.

Rainfall in Dublin by month

Plan your trip to Dublin by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Dublin ranges from 49.0 - 79.0 mm per month. October is typically the wettest month, when rainfall can reach 79.0 mm. February is typically the driest time to visit Dublin when rainfall is around 49.0 mm.

Temperature in Dublin by month

Plan your trip to Dublin by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Dublin, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

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 10 April 2025.
Porter Airlines
8.0
Very good
280 reviews
Check prices

Entertainment

6.9

Crew

8.7

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.6

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
Porter Airlines
8.0
Very good
280 reviews
Porter Airlines
8.0
Very good
280 reviews
Check prices

Entertainment

6.9

Crew

8.7

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.6

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
KLM
7.8
Good
1,321 reviews
Porter Airlines
8.0
Very good
280 reviews
Check prices

Entertainment

6.9

Crew

8.7

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.6

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
Air Transat
7.8
Good
384 reviews
Porter Airlines
8.0
Very good
280 reviews
Check prices

Entertainment

6.9

Crew

8.7

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.6

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
SWISS
7.5
Good
1,574 reviews
Porter Airlines
8.0
Very good
280 reviews
Check prices

Entertainment

6.9

Crew

8.7

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.6

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
United Airlines
7.4
Good
8,634 reviews
Porter Airlines
8.0
Very good
280 reviews
Check prices

Entertainment

6.9

Crew

8.7

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.6

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?

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$ 876 on this airline. Additional options worth looking into are Lufthansa and Porter Airlines, starting at C$ 879 and C$ 893 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 10 April 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 10 April 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 648AverageC$ 879FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Aer LingusCheapestC$ 711AverageC$ 939FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air TransatCheapestC$ 752AverageC$ 891FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapestC$ 844AverageC$ 868FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 860AverageC$ 1,149FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air FranceCheapestC$ 914AverageC$ 1,196FlexibilityNo cancel feeOn-time77%
Search Air France flights
LufthansaCheapestC$ 946AverageC$ 1,277FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapestC$ 953AverageC$ 1,237FlexibilityNo 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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