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Cheap flights from Dublin to Ottawa from £449

DUB — YOW
1 Oct — 8 Oct1
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

Thu 1/1009:10 -
2 stops15h 50m
Fri 9/1019:40 -
1 stop14h 00m
Deal found 31/8£449
Sat 10/1018:25 -
1 stop23h 15m
Sat 17/1018:25 -
1 stop9h 55m
Deal found 27/8£452
Thu 1/1010:00 -
2 stops19h 20m
Fri 9/1018:15 -
2 stops35h 35m
Deal found 31/8£553
Thu 10/912:30 -
1 stop16h 24m
Sat 26/919:30 -
1 stop10h 10m
Deal found 31/8£602
Sat 5/913:35 -
1 stop14h 00m
Sat 19/917:57 -
1 stop12h 13m
Deal found 29/8£605
Mon 12/1009:30 -
1 stop12h 08m
Mon 19/1018:01 -
1 stop12h 09m
Deal found 28/8£606
Sun 11/1009:30 -
2 stops14h 25m
Sun 18/1018:01 -
1 stop12h 09m
Deal found 27/8£607
Fri 11/905:55 -
2 stops14h 05m
Sun 27/917:25 -
2 stops14h 15m
Deal found 29/8£643

Find flight deals from Dublin to Ottawa

Round-trip from

£449

Popular in

June

Cheapest in

March

Average price

£577
1/10-9/10
  • 1/10-9/10
  • 3 total stops
  • 29h 50m total
  • Dublin to Ottawa
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£26 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 September 2026
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Cheapflights Fare Finder

 
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

Sat 10/10

21:15-17:35

3 stops25h 20m

Ottawa

Sat 17/10

14:00-10:50

1 stop15h 50m

£476

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Thu 1/10

16:55-12:40

1 stop24h 45m

Ottawa

Fri 9/10

20:15-10:50

1 stop33h 35m

£485

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Thu 1/10

10:00-00:20

2 stops19h 20m

Ottawa

Fri 9/10

18:15-10:50

2 stops35h 35m

£553

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Mon 12/10

13:35-23:54

2 stops15h 19m

Ottawa

Mon 19/10

15:10-11:10

1 stop15h 00m

£606
Fastest return journey

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Sun 11/10

09:30-18:55

2 stops14h 25m

Ottawa

Sun 18/10

18:01-11:10

1 stop12h 09m

£607

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Fri 11/9

05:55-15:00

2 stops14h 05m

Ottawa

Sun 27/9

17:25-12:40

2 stops14h 15m

£643

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Thu 1/10

16:10-14:55

3 stops27h 45m

Ottawa

Fri 9/10

07:00-08:10

3 stops20h 10m

£4,423

Flights are sorted by cheapest return flights first.

Deals found on 27/8

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

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 £412). Flying from Dublin to Ottawa in June is currently the most expensive (average of £648). 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 £499 and £600 in October.
The cheapest return price found within the last 5 days was £449 on Multiple Airlines (1 Oct–9 Oct).

Reviews of airlines servicing Ottawa

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
576 reviews
Check prices

Overall

7.8

Food

6.8

Boarding

8.0

Crew

8.5

Entertainment

7.1

Comfort

7.3

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
576 reviews
Air Transat
7.8
Good
576 reviews
Check prices

Overall

7.8

Food

6.8

Boarding

8.0

Crew

8.5

Entertainment

7.1

Comfort

7.3

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
11,566 reviews
Air Transat
7.8
Good
576 reviews
Check prices

Overall

7.8

Food

6.8

Boarding

8.0

Crew

8.5

Entertainment

7.1

Comfort

7.3

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

  • How long is the flight from Dublin to Ottawa?

    For as low as £553, WestJet can have you in Ottawa from Dublin in 19h 20m. The distance between Dublin and Ottawa is about 3044 mi.

  • What are the cheapest airlines flying from Dublin to Ottawa round-trip?

    Our cheapest airline available from Dublin to Ottawa is Air Canada. Our recent data shows that you can find tickets from as low as £451 on this airline. An additional option worth looking into is Air Transat, starting at £457. Air Canada is currently priced 16% 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 £412). Flying from Dublin to Ottawa in June is currently the most expensive (average of £648). 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

Alternative routes for Dublin to Ottawa

Dublin to Pearson Intl flights
Dublin to Toronto Island flights

Top 2 airlines flying from Dublin to Ottawa

AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£451Average£520FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air TransatCheapest£457Average£477FlexibilityNo cancel feeOn-time50%
Search Air Transat flights

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

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

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