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Cheap flights from Dublin to Ottawa from C$ 346

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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — YOW
31 Mar — 7 Apr1
1 adult

Cheapflights Tip: The best prices from Dublin to Ottawa are usually found in September or February, booked 72 days in advance, depart on a Monday or Tuesday and return on a Monday

Cheap flight deals from Dublin to Ottawa

Discover tips and strategies to find the most affordable flight options for your journey from Dublin (DUB) to Ottawa (YOW). 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 26 March 2025.

Round-trip from

C$ 638

One-way from

C$ 346

Popular in

August

Cheapest in

September

Average price

C$ 977
Air Transat
  • Air Transat
  • 9/5-24/5
  • 2 total stops
  • 35h 16m total
  • Dublin to Ottawa
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WestJet
  • WestJet
  • 9/5
  • 2 total stops
  • 22h 55m total
  • Dublin to Ottawa
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (C$ 3 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 25 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Dublin to Ottawa

Cheapest flights from Dublin to Ottawa
Explore the most affordable flight options available from Dublin to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 March 2025.

Fri 9/51:15 p.m.DUB - YOW
1 stop16h 06mAir Transat
Sat 24/511:20 a.m.YOW - DUB
1 stop19h 10mAir Transat
Deal found 26/3C$ 638
Mon 5/57:05 p.m.DUB - YOW
2 stops34h 17mMultiple Airlines
Mon 12/55:55 a.m.YOW - DUB
2 stops31h 20mMultiple Airlines
Deal found 25/3C$ 778
Fri 9/59:50 a.m.DUB - YOW
2 stops18h 17mAir Canada
Sat 24/59:15 a.m.YOW - DUB
2 stops18h 00mAir Canada
Deal found 26/3C$ 901
Tue 22/49:20 a.m.DUB - YOW
2 stops14h 32mUnited Airlines
Tue 29/410:25 a.m.YOW - DUB
2 stops15h 55mUnited Airlines
Deal found 25/3C$ 1,021
Fri 9/58:45 a.m.DUB - YOW
2 stops17h 24mSWISS
Sat 24/52:30 p.m.YOW - DUB
2 stops16h 40mSWISS
Deal found 25/3C$ 1,296

Cheapflights Fare Finder

Customize your flight search to find flights from Dublin to Ottawa 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 26 March 2025.
Use the filters below to find and compare flights from Dublin to Ottawa that are best for you.

Fly from

Dublin

Fly to

Ottawa

Route

Depart

Return

Price

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Fri 9/5

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

1 stop16h 06m

Ottawa

Sat 24/5

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

1 stop19h 10m

C$ 638

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Mon 5/5

7:05 p.m.-12:22 a.m.

2 stops34h 17m

Ottawa

Mon 12/5

5:55 a.m.-6:15 p.m.

2 stops31h 20m

C$ 778

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Fri 9/5

9:50 a.m.-11:07 p.m.

2 stops18h 17m

Ottawa

Sat 24/5

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

2 stops18h 00m

C$ 901

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Tue 22/4

9:20 a.m.-6:52 p.m.

2 stops14h 32m

Ottawa

Tue 29/4

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

2 stops15h 55m

C$ 1,021

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Fri 9/5

8:45 a.m.-9:09 p.m.

2 stops17h 24m

Ottawa

Sat 24/5

2:30 p.m.-12:10 p.m.

2 stops16h 40m

C$ 1,296

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Fri 9/5

11:30 a.m.-5:25 a.m.

2 stops22h 55m

C$ 346

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Wed 14/5

12:50 p.m.-12:21 a.m.

2 stops16h 31m

C$ 479

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/3

Best time to book a flight from Dublin to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from Dublin 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 Dublin to Ottawa

How far ahead should I book a flight from Dublin to Ottawa?

Use this chart to determine the optimal time to book a round-trip flight from Dublin to Ottawa. Price data was last updated on 21 March 2025.

The price you pay for your flight from Dublin to Ottawa may vary depending on when you book. For the best chance of a lower fare, look to book 72 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 Dublin to Ottawa?

Currently, October is the cheapest month in which you can book a flight from Dublin to Ottawa (average of C$ 224). Flying from Dublin to Ottawa in December is currently the most expensive (average of C$ 326). 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.

Rainfall in Ottawa by month

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

In terms of precipitation, rainfall in Ottawa ranges from 50.0 - 93.0 mm per month. June is typically the wettest month, when rainfall can reach 93.0 mm. February is typically the driest time to visit Ottawa when rainfall is around 50.0 mm.

Temperature in Ottawa by month

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

If weather is an important factor for your trip to Ottawa, 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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -10.0 C).

Reviews of airlines servicing Ottawa

Get insights into the airlines that provide service to Ottawa. 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 Ottawa. Reviews last updated 26 March 2025.
Air Transat
7.8
Good
381 reviews
Check prices

Comfort

7.4

Crew

8.5

Overall

7.8

Entertainment

7.1

Food

6.7

Boarding

7.9

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
381 reviews
Air Transat
7.8
Good
381 reviews
Check prices

Comfort

7.4

Crew

8.5

Overall

7.8

Entertainment

7.1

Food

6.7

Boarding

7.9

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.
SWISS
7.5
Good
1,569 reviews
Air Transat
7.8
Good
381 reviews
Check prices

Comfort

7.4

Crew

8.5

Overall

7.8

Entertainment

7.1

Food

6.7

Boarding

7.9

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
8,608 reviews
Air Transat
7.8
Good
381 reviews
Check prices

Comfort

7.4

Crew

8.5

Overall

7.8

Entertainment

7.1

Food

6.7

Boarding

7.9

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
2,785 reviews
Air Transat
7.8
Good
381 reviews
Check prices

Comfort

7.4

Crew

8.5

Overall

7.8

Entertainment

7.1

Food

6.7

Boarding

7.9

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
8,960 reviews
Air Transat
7.8
Good
381 reviews
Check prices

Comfort

7.4

Crew

8.5

Overall

7.8

Entertainment

7.1

Food

6.7

Boarding

7.9

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 Dublin to Ottawa. 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 Dublin to Ottawa round-trip?

    Air Transat, at C$ 638, was found to be the cheapest airline from Dublin to Ottawa.Alternate airlines to your destination round-trip include Air Canada and United Airlines. Air Transat is 36% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Dublin to Ottawa that include hotel bookings?

    Yes. In addition to deals on Dublin to Ottawa flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dublin to Ottawa?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dublin to Ottawa.

  • Can I find deals for business class flights from Dublin to Ottawa?

    Yes. Cheapflights offers flight deals from Dublin to Ottawa 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 Dublin to Ottawa?

    Currently, October is the cheapest month in which you can book a flight from Dublin to Ottawa (average of C$ 224). Flying from Dublin to Ottawa in December is currently the most expensive (average of C$ 326). 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
Gatineau
Perth
Smiths Falls
Prescott
Brockville
Wakefield
Lanark

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Dublin to Ottawa

Discover the top airline that operate flights from Dublin to Ottawa. 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 26 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 913AverageC$ 1,108FlexibilityNo cancel feeOn-time67%
Search Air Canada 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 Dublin to Ottawa?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Ottawa from Dublin today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Dublin to Ottawa?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Ottawa from Dublin.

Can Cheapflights find flights from Dublin to Ottawa with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Dublin to Ottawa, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Dublin to Ottawa become cheaper?

Yes, Cheapflights offers price alerts on Dublin to Ottawa flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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