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Cheap flights from Ottawa to Dublin from C$ 423

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 13/6. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — DUB
4 May — 11 May1
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 29 April 2025.

Round-trip from

C$ 863

One-way from

C$ 423

Popular in

December

Cheapest in

October

Average price

C$ 1,099
Air Transat
  • Air Transat
  • 7/6-13/6
  • 2 total stops
  • 31h 56m total
  • Ottawa to Dublin
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13/6
  • 13/6
  • 1 total stop
  • 13h 15m total
  • Ottawa to Dublin
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Highest demand for flights based on searches. 6% potential increase in price (C$ 108 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% 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 29 April 2025.

Sat 7/611:20 a.m.YOW - DUB
1 stop19h 10mAir Transat
Fri 13/61:15 p.m.DUB - YOW
1 stop12h 46mAir Transat
Deal found 28/4C$ 863
Mon 15/96:40 p.m.YOW - DUB
1 stop8h 05mAir Canada
Tue 30/99:20 a.m.DUB - YOW
1 stop12h 54mAir Canada
Deal found 28/4C$ 869
Wed 7/55:55 p.m.YOW - DUB
1 stop9h 20mLufthansa
Tue 20/55:55 a.m.DUB - YOW
2 stops18h 09mLufthansa
Deal found 28/4C$ 933
Thu 8/57:29 p.m.YOW - DUB
1 stop30h 41mUnited Airlines
Tue 20/51:35 p.m.DUB - YOW
2 stops29h 52mUnited Airlines
Deal found 28/4C$ 959
Thu 19/69:00 a.m.YOW - DUB
2 stops34h 55mMultiple Airlines
Wed 2/76:30 p.m.DUB - YOW
2 stops34h 52mMultiple Airlines
Deal found 28/4C$ 1,038
Fri 30/55:55 a.m.YOW - DUB
2 stops21h 30mWestJet
Sat 14/69:45 a.m.DUB - YOW
2 stops19h 37mWestJet
Deal found 28/4C$ 1,222

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 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 7/6

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

1 stop19h 10m

Dublin

Fri 13/6

1:15 p.m.-9:01 p.m.

1 stop12h 46m

C$ 863

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Mon 15/9

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

1 stop8h 05m

Dublin

Tue 30/9

9:20 a.m.-5:14 p.m.

1 stop12h 54m

C$ 869

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Sat 10/5

6:05 a.m.-7:10 a.m.

2 stops20h 05m

Dublin

Mon 19/5

1:35 p.m.-2:27 p.m.

2 stops29h 52m

C$ 959

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Fri 9/5

5:55 p.m.-4:55 p.m.

2 stops42h 00m

Dublin

Tue 20/5

5:55 a.m.-7:04 p.m.

2 stops18h 09m

C$ 1,032

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Thu 19/6

9:00 a.m.-12:55 a.m.

2 stops34h 55m

Dublin

Wed 2/7

6:30 p.m.-12:22 a.m.

2 stops34h 52m

C$ 1,038

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Fri 30/5

5:55 a.m.-8:25 a.m.

2 stops21h 30m

Dublin

Sat 14/6

9:45 a.m.-12:22 a.m.

2 stops19h 37m

C$ 1,222

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Fri 13/6

2:10 p.m.-8:25 a.m.

1 stop13h 15m

C$ 423

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/4

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 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 29 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 29 April 2025.
Read reviews from past customers who have flown Air Transat, United Airlines and WestJet from Ottawa to Dublin. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air Transat
7.8
Good
385 reviews
Check prices

Entertainment

7.1

Comfort

7.4

Boarding

7.9

Food

6.7

Crew

8.5

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Janice,Mar 2025

OPO - YYZ

I upgraded to Club Pass Business, and it made my trip a pleasant flight. The service was excellent and the food and drink options were good. The seats were comfy.
Air Transat
7.8
Good
385 reviews
Air Transat
7.8
Good
385 reviews
Check prices

Entertainment

7.1

Comfort

7.4

Boarding

7.9

Food

6.7

Crew

8.5

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Janice,Mar 2025

OPO - YYZ

I upgraded to Club Pass Business, and it made my trip a pleasant flight. The service was excellent and the food and drink options were good. The seats were comfy.
United Airlines
7.4
Good
8,696 reviews
Air Transat
7.8
Good
385 reviews
Check prices

Entertainment

7.1

Comfort

7.4

Boarding

7.9

Food

6.7

Crew

8.5

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Janice,Mar 2025

OPO - YYZ

I upgraded to Club Pass Business, and it made my trip a pleasant flight. The service was excellent and the food and drink options were good. The seats were comfy.
WestJet
7.2
Good
2,823 reviews
Air Transat
7.8
Good
385 reviews
Check prices

Entertainment

7.1

Comfort

7.4

Boarding

7.9

Food

6.7

Crew

8.5

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Janice,Mar 2025

OPO - YYZ

I upgraded to Club Pass Business, and it made my trip a pleasant flight. The service was excellent and the food and drink options were good. The seats were comfy.
Air Canada
7.0
Good
9,240 reviews
Air Transat
7.8
Good
385 reviews
Check prices

Entertainment

7.1

Comfort

7.4

Boarding

7.9

Food

6.7

Crew

8.5

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Janice,Mar 2025

OPO - YYZ

I upgraded to Club Pass Business, and it made my trip a pleasant flight. The service was excellent and the food and drink options were good. The seats were comfy.
Lufthansa
6.7
Okay
7,042 reviews
Air Transat
7.8
Good
385 reviews
Check prices

Entertainment

7.1

Comfort

7.4

Boarding

7.9

Food

6.7

Crew

8.5

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Janice,Mar 2025

OPO - YYZ

I upgraded to Club Pass Business, and it made my trip a pleasant flight. The service was excellent and the food and drink options were good. The seats were comfy.

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 Transat. Our recent data shows that you can find tickets from as low as C$ 863 on this airline. Additional options worth looking into are Air Canada and United Airlines, starting at C$ 869 and C$ 959 round-trip. Air Transat is priced at 18% 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 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 29 April 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 633AverageC$ 733FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Aer LingusCheapestC$ 695AverageC$ 916FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air TransatCheapestC$ 731AverageC$ 865FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapestC$ 825AverageC$ 849FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 843AverageC$ 1,106FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapestC$ 875AverageC$ 1,205FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air FranceCheapestC$ 893AverageC$ 1,166FlexibilityNo cancel feeOn-time77%
Search Air France flights
United AirlinesCheapestC$ 931AverageC$ 1,149FlexibilityNo 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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