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Cheap flights from Dublin to Ottawa from £414

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — YOW
13 Sep — 20 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Dublin to Ottawa

Enter your travel dates to find the best prices.

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 14 August 2026.

Thu 3/906:25 -
2 stops30h 40m
Tue 8/919:40 -
1 stop13h 50m
Deal found 10/8£414
Sun 27/906:45 -
2 stops15h 50m
Sun 4/1008:40 -
2 stops33h 15m
Deal found 12/8£473
Tue 22/913:15 -
1 stop11h 45m
Sun 11/1008:40 -
1 stop21h 50m
Deal found 9/8£490
Mon 21/913:15 -
1 stop11h 45m
Sat 10/1020:55 -
1 stop9h 35m
Deal found 9/8£499
Tue 22/913:15 -
1 stop16h 10m
Tue 6/1020:55 -
1 stop9h 35m
Deal found 9/8£506
Thu 24/913:15 -
1 stop11h 45m
Sun 11/1020:55 -
1 stop9h 35m
Deal found 9/8£510
Mon 21/913:15 -
1 stop16h 10m
Tue 6/1016:00 -
1 stop14h 30m
Deal found 9/8£515
Sun 27/913:15 -
1 stop11h 45m
Sun 4/1020:55 -
1 stop9h 35m
Deal found 12/8£518

Find 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 14 August 2026.

Round-trip from

£414

Popular in

June

Cheapest in

March

Average price

£600
3/9-8/9
  • 3/9-8/9
  • 3 total stops
  • 44h 30m total
  • Dublin to Ottawa
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£27 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 August 2026
Search Deals

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 14 August 2026.
Use the filters below to find and compare flights from Dublin to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Sun 27/9

06:45-17:35

2 stops15h 50m

Ottawa

Sun 4/10

08:40-22:55

2 stops33h 15m

£473
Fastest return journey

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Thu 24/9

13:15-20:00

1 stop11h 45m

Ottawa

Sat 10/10

20:55-11:30

1 stop9h 35m

£510

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Thu 10/9

09:30-16:38

1 stop12h 08m

Ottawa

Wed 23/9

19:30-10:40

1 stop10h 10m

£603

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Tue 22/9

12:30-22:35

2 stops15h 05m

Ottawa

Sat 10/10

19:30-10:40

1 stop10h 10m

£604

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Thu 17/9

13:35-23:54

2 stops15h 19m

Ottawa

Thu 1/10

15:10-07:30

1 stop11h 20m

£604

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Sun 27/9

08:50-16:38

2 stops12h 48m

Ottawa

Fri 9/10

19:30-10:40

1 stop10h 10m

£604

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Thu 24/9

08:50-16:38

2 stops12h 48m

Ottawa

Thu 1/10

15:10-10:40

2 stops14h 30m

£604

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Thu 24/9

09:30-18:55

2 stops14h 25m

Ottawa

Mon 5/10

19:30-10:40

1 stop10h 10m

£604

Flights are sorted by cheapest return flights first.

Deals found on 12/8

Sorted by cheapest first

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

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

Currently, March is the cheapest month in which you can book a flight from Dublin to Ottawa (average of £414). Flying from Dublin to Ottawa in June is currently the most expensive (average of £651). 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.

How much does it cost for a return flight from Dublin to Ottawa?

Airfare is below average for this route at the moment.

Dublin to Ottawa flights typically cost between £468 and £829 in September.
The cheapest return price found within the last 5 days was £414 on Multiple Airlines (3 Sept–8 Sept).

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 14 August 2026.
Get a feel of what it's like to fly with Air Transat and Air Canada from Dublin to Ottawa by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Transat
7.8
Good
572 reviews
Check prices

Crew

8.5

Entertainment

7.1

Boarding

8.0

Comfort

7.3

Overall

7.8

Food

6.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Air Transat
7.8
Good
572 reviews
Air Transat
7.8
Good
572 reviews
Check prices

Crew

8.5

Entertainment

7.1

Boarding

8.0

Comfort

7.3

Overall

7.8

Food

6.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Air Canada
7.1
Good
11,471 reviews
Air Transat
7.8
Good
572 reviews
Check prices

Crew

8.5

Entertainment

7.1

Boarding

8.0

Comfort

7.3

Overall

7.8

Food

6.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.

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.

  • How long is the flight from Dublin to Ottawa?

    For as low as £510, Air Transat can have you in Ottawa from Dublin in 11h 45m. The distance between Dublin and Ottawa is about 3044 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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 £459 on this airline. An additional option worth looking into is Air Canada, starting at £463. Air Transat is currently priced 15% 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, March is the cheapest month in which you can book a flight from Dublin to Ottawa (average of £414). Flying from Dublin to Ottawa in June is currently the most expensive (average of £651). 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 Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Brockville
Smiths Falls

Browse thousands of different options on Cheapflights for your next trip

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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 14 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapest£459Average£479FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapest£463Average£522FlexibilityNo 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!

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