Find flights
When to book
Airlines
FAQs

Cheap flights from Dublin to Ottawa from £355

This is the cheapest retur 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

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

£355

Popular in

August

Cheapest in

September

Average price

£528
Air Transat
  • Air Transat
  • 9/5-24/5
  • 2 total stops
  • 31h 56m total
  • Dublin to Ottawa
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (£1 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

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 9/513:15DUB - YOW
1 stop12h 46mAir Transat
Sat 24/511:20YOW - DUB
1 stop19h 10mAir Transat
Deal found 25/3£355
Fri 9/511:30DUB - YOW
2 stops22h 55mMultiple Airlines
Sat 24/505:55YOW - DUB
1 stop24h 35mMultiple Airlines
Deal found 25/3£459
Fri 9/509:50DUB - YOW
2 stops18h 17mAir Canada
Sat 24/514:30YOW - DUB
2 stops12h 45mAir Canada
Deal found 25/3£489
Fri 2/509:20DUB - YOW
2 stops17h 15mUnited Airlines
Fri 16/518:15YOW - DUB
1 stop11h 55mUnited Airlines
Deal found 26/3£550
Fri 9/508:45DUB - YOW
2 stops17h 24mSWISS
Sat 24/514:30YOW - DUB
2 stops16h 40mSWISS
Deal found 25/3£700

Cheapflights Fare Finder

Customise 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 858,174 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

13:15-21:01

1 stop12h 46m

Ottawa

Sat 24/5

11:20-11:30

1 stop19h 10m

£355

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Fri 9/5

11:30-05:25

2 stops22h 55m

Ottawa

Sat 24/5

05:55-11:30

1 stop24h 35m

£459

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Fri 9/5

09:50-23:07

2 stops18h 17m

Ottawa

Sat 24/5

14:30-08:15

2 stops12h 45m

£489

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Fri 2/5

09:20-21:35

2 stops17h 15m

Ottawa

Fri 16/5

18:15-11:10

1 stop11h 55m

£550

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Fri 9/5

08:45-21:09

2 stops17h 24m

Ottawa

Sat 24/5

14:30-12:10

2 stops16h 40m

£700

Flights are sorted by cheapest return flights first.

Deals found on 25/3

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 return 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 return flight from Dublin to Ottawa. Price data was last updated on 21 March 2025.

To ensure you get the cheapest price possible for a flight from Dublin to Ottawa, you should look to book at least 72 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Dublin to Ottawa?

Currently, January is the cheapest month in which you can book a flight from Dublin to Ottawa (average of £588). Flying from Dublin to Ottawa in December is currently the most expensive (average of £875). 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 inches 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

Crew

8.5

Boarding

7.9

Entertainment

7.1

Overall

7.8

Food

6.7

Comfort

7.4

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

Crew

8.5

Boarding

7.9

Entertainment

7.1

Overall

7.8

Food

6.7

Comfort

7.4

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

Crew

8.5

Boarding

7.9

Entertainment

7.1

Overall

7.8

Food

6.7

Comfort

7.4

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

Crew

8.5

Boarding

7.9

Entertainment

7.1

Overall

7.8

Food

6.7

Comfort

7.4

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

Crew

8.5

Boarding

7.9

Entertainment

7.1

Overall

7.8

Food

6.7

Comfort

7.4

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?

    Our cheapest airline available from Dublin to Ottawa is Air Transat. Our recent data shows that you can find tickets from as low as £355 on this airline. Additional options worth looking into are Air Canada and United Airlines, starting at £489 and £550 round-trip. Air Transat is currently priced 35% below the average price you’ll pay for this route.

  • 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 holiday 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, January is the cheapest month in which you can book a flight from Dublin to Ottawa (average of £588). Flying from Dublin to Ottawa in December is currently the most expensive (average of £875). 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
Smiths Falls

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.

Alternative routes for Dublin to Ottawa

See prices for flight routes from nearby airports that may be better suited for you.
Dublin to Pearson Intl flights
Dublin to Toronto Island flights

Top 2 airlines flying from Dublin to Ottawa

Discover the top 2 airlines 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 858,174 searches. Data last updated 26 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapest£403Average£474FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapest£457Average£524FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers 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?

Cheapflights helps you search for flights from Dublin to Ottawa via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights simply makes it quick and affordable to book flights from Dublin to Ottawa by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Dublin to Ottawa flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Dublin to Ottawa 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.