Find flights
When to book
Airlines
FAQs

Cheap flights from Ottawa to Dublin from C$ 446

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 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — DUB
17 Jun — 24 Jun1
1 adult

Cheapflights Tip: The best prices from Ottawa to Dublin are usually found in July 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 12 June 2025.

Round-trip from

C$ 839

One-way from

C$ 446

Popular in

December

Cheapest in

July

Average price

C$ 912
Lufthansa
  • Lufthansa
  • 11/8-21/8
  • 2 total stops
  • 22h 50m total
  • Ottawa to Dublin
Search Deals
12/7
  • 12/7
  • 2 total stops
  • 38h 00m 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).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

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 12 June 2025.

Mon 11/86:40 p.m.YOW - DUB
1 stop8h 05mLufthansa
Thu 21/89:20 a.m.DUB - YOW
1 stop14h 45mLufthansa
Deal found 10/6C$ 839
Sun 10/82:20 p.m.YOW - DUB
1 stop15h 20mMultiple Airlines
Sun 24/810:00 a.m.DUB - YOW
1 stop15h 36mMultiple Airlines
Deal found 10/6C$ 844
Wed 13/81:55 p.m.YOW - DUB
2 stops12h 50mAir Canada
Tue 19/89:20 a.m.DUB - YOW
1 stop9h 24mAir Canada
Deal found 12/6C$ 846
Fri 8/87:00 a.m.YOW - DUB
1 stop23h 30mAir Transat
Tue 26/81:15 p.m.DUB - YOW
1 stop23h 50mAir Transat
Deal found 10/6C$ 863
Fri 8/85:05 p.m.YOW - DUB
1 stop13h 25mPorter Airlines
Mon 25/81:15 p.m.DUB - YOW
1 stop12h 21mPorter Airlines
Deal found 12/6C$ 864
Sun 12/105:55 a.m.YOW - DUB
1 stop23h 05mWestJet
Tue 21/1011:30 a.m.DUB - YOW
1 stop17h 52mWestJet
Deal found 11/6C$ 920
Tue 12/810:25 a.m.YOW - DUB
2 stops15h 55mUnited Airlines
Sat 23/89:20 a.m.DUB - YOW
2 stops17h 15mUnited Airlines
Deal found 11/6C$ 926
Thu 23/108:35 a.m.YOW - DUB
1 stop15h 20mAer Lingus
Mon 10/111:00 p.m.DUB - YOW
1 stop11h 17mAer Lingus
Deal found 12/6C$ 932

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 12 June 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

Mon 11/8

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

1 stop8h 05m

Dublin

Thu 21/8

9:20 a.m.-7:05 p.m.

1 stop14h 45m

C$ 839

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Sun 10/8

2:20 p.m.-10:40 a.m.

1 stop15h 20m

Dublin

Sun 24/8

10:00 a.m.-8:36 p.m.

1 stop15h 36m

C$ 844

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Fri 5/9

12:00 p.m.-7:45 a.m.

2 stops14h 45m

Dublin

Mon 15/9

9:20 a.m.-5:04 p.m.

2 stops12h 44m

C$ 846

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Fri 8/8

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

1 stop23h 30m

Dublin

Tue 26/8

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

1 stop23h 50m

C$ 863

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Wed 10/9

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

1 stop19h 10m

Dublin

Fri 19/9

1:15 p.m.-8:36 p.m.

1 stop12h 21m

C$ 879

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Sun 12/10

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

1 stop23h 05m

Dublin

Tue 21/10

11:30 a.m.-12:22 a.m.

1 stop17h 52m

C$ 920

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Tue 12/8

10:25 a.m.-7:20 a.m.

2 stops15h 55m

Dublin

Wed 27/8

9:20 a.m.-4:43 p.m.

1 stop12h 23m

C$ 926

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Thu 23/10

8:35 a.m.-4:55 a.m.

1 stop15h 20m

Dublin

Mon 10/11

1:00 p.m.-7:17 p.m.

1 stop11h 17m

C$ 932

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Mon 1/9

5:15 p.m.-12:35 p.m.

2 stops14h 20m

Dublin

Tue 23/9

1:20 p.m.-12:22 a.m.

2 stops16h 02m

C$ 1,207

OttawaDublin

YOW - DUB

YOWDUB

Ottawa

Sat 12/7

5:55 a.m.-12:55 a.m.

2 stops38h 00m

C$ 446

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/6

Showing 1-10 of 14 results
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?

Use this chart to determine the optimal time to book a round-trip flight from Ottawa to Dublin. Price data was last updated on 9 June 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 12 June 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 12 June 2025.
Read reviews from past customers who have flown Porter Airlines, KLM and Air Transat from Ottawa to Dublin. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
288 reviews
Check prices

Overall

8.0

Entertainment

7.0

Comfort

8.1

Food

7.6

Boarding

8.2

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
Porter Airlines
8.0
Very good
288 reviews
Porter Airlines
8.0
Very good
288 reviews
Check prices

Overall

8.0

Entertainment

7.0

Comfort

8.1

Food

7.6

Boarding

8.2

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
KLM
7.8
Good
1,358 reviews
Porter Airlines
8.0
Very good
288 reviews
Check prices

Overall

8.0

Entertainment

7.0

Comfort

8.1

Food

7.6

Boarding

8.2

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
Air Transat
7.8
Good
396 reviews
Porter Airlines
8.0
Very good
288 reviews
Check prices

Overall

8.0

Entertainment

7.0

Comfort

8.1

Food

7.6

Boarding

8.2

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
United Airlines
7.4
Good
8,790 reviews
Porter Airlines
8.0
Very good
288 reviews
Check prices

Overall

8.0

Entertainment

7.0

Comfort

8.1

Food

7.6

Boarding

8.2

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!
WestJet
7.2
Good
2,868 reviews
Porter Airlines
8.0
Very good
288 reviews
Check prices

Overall

8.0

Entertainment

7.0

Comfort

8.1

Food

7.6

Boarding

8.2

Crew

8.7

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!

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 Lufthansa. Our recent data shows that you can find tickets from as low as C$ 839 on this airline. Additional options worth looking into are Air Canada and Air Transat, starting at C$ 846 and C$ 863 round-trip. Lufthansa is priced at 17% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Ottawa to Dublin one-way?

    C$ 489 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on WestJet and Porter Airlines, with prices starting from C$ 507 and C$ 777, respectively.

  • 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 12 June 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 12 June 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 625AverageC$ 723FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Aer LingusCheapestC$ 686AverageC$ 898FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air TransatCheapestC$ 712AverageC$ 840FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapestC$ 814AverageC$ 859FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 830AverageC$ 1,043FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapestC$ 857AverageC$ 1,164FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air FranceCheapestC$ 882AverageC$ 1,144FlexibilityNo cancel feeOn-time77%
Search Air France flights
United AirlinesCheapestC$ 919AverageC$ 1,126FlexibilityNo 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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.