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Cheap flights from Dublin to Ottawa from £404

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — YOW
4 Dec — 11 Dec1
1 adult
1 adult, Economy, 0 bags

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 4 November 2025.

Round-trip from

£404

Popular in

August

Cheapest in

September

Average price

£506
WestJet
  • WestJet
  • 2/5-9/5
  • 2 total stops
  • 41h 02m total
  • Dublin to Ottawa
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£9 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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Find 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 4 November 2025.

Fri 19/1209:30DUB - YOW
1 stop11h 57mAir Canada
Fri 26/1220:25YOW - DUB
1 stop29h 45mAir Canada
Deal found 4/11£486
Tue 16/1209:30DUB - YOW
2 stops14h 25mUnited Airlines
Sun 4/117:59YOW - DUB
1 stop10h 56mUnited Airlines
Deal found 4/11£503
Thu 11/1212:05DUB - YOW
2 stops14h 51mUnited Airlines
Sun 28/1217:59YOW - DUB
1 stop10h 56mUnited Airlines
Deal found 4/11£504
Sat 20/1209:30DUB - YOW
1 stop11h 57mUnited Airlines
Thu 1/117:59YOW - DUB
1 stop10h 56mUnited Airlines
Deal found 4/11£525
Mon 15/1205:55DUB - YOW
2 stops14h 15mKLM
Tue 30/1217:20YOW - DUB
2 stops14h 20mKLM
Deal found 4/11£536
Sat 27/1210:40DUB - YOW
1 stop15h 38mUnited Airlines
Sat 3/119:27YOW - DUB
2 stops31h 03mUnited Airlines
Deal found 3/11£552
Fri 26/1212:05DUB - YOW
2 stops14h 51mUnited Airlines
Sun 11/112:00YOW - DUB
2 stops14h 30mUnited Airlines
Deal found 4/11£557
Wed 5/1113:35DUB - YOW
2 stops15h 19mUnited Airlines
Mon 10/1114:15YOW - DUB
2 stops14h 40mUnited Airlines
Deal found 2/11£561
Sun 14/1205:55DUB - YOW
2 stops14h 15mKLM
Sun 28/1217:20YOW - DUB
2 stops18h 00mKLM
Deal found 4/11£578
Mon 15/1209:30DUB - YOW
1 stop12h 02mUnited Airlines
Fri 2/117:59YOW - DUB
1 stop10h 56mUnited Airlines
Deal found 4/11£578

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 4 November 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

Sat 2/5

11:20-00:22

1 stop18h 02m

Ottawa

Sat 9/5

05:55-09:55

1 stop23h 00m

£404

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Sat 2/5

09:50-15:05

1 stop10h 15m

Ottawa

Sat 9/5

11:05-08:15

2 stops16h 10m

£467

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Thu 18/12

13:35-23:54

2 stops15h 19m

Ottawa

Sat 27/12

17:59-09:55

1 stop10h 56m

£503

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Thu 18/12

13:35-23:54

2 stops15h 19m

Ottawa

Sun 4/1

17:59-09:55

1 stop10h 56m

£503

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Sun 21/12

13:35-21:56

1 stop13h 21m

Ottawa

Thu 1/1

17:59-09:55

1 stop10h 56m

£503

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Sun 21/12

09:30-16:27

1 stop11h 57m

Ottawa

Mon 29/12

15:10-10:20

2 stops14h 10m

£503

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Tue 16/12

12:05-18:55

1 stop11h 50m

Ottawa

Thu 1/1

14:15-10:20

1 stop15h 05m

£503

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Mon 15/12

12:05-18:55

1 stop11h 50m

Ottawa

Wed 31/12

14:15-10:20

1 stop15h 05m

£503

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Thu 18/12

09:30-16:27

1 stop11h 57m

Ottawa

Thu 1/1

17:59-09:55

1 stop10h 56m

£503

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Sun 21/12

13:35-21:56

1 stop13h 21m

Ottawa

Wed 31/12

19:27-10:20

1 stop9h 53m

£503

Flights are sorted by cheapest return flights first.

Deals found on 4/11

Showing 1-10 of 12 results
1
2

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, February is the cheapest month in which you can book a flight from Dublin to Ottawa (average of £377). Flying from Dublin to Ottawa in January is currently the most expensive (average of £499). 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.

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 4 November 2025.
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
470 reviews
Check prices

Entertainment

7.1

Crew

8.5

Food

6.8

Boarding

7.9

Overall

7.8

Comfort

7.4

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
470 reviews
Air Transat
7.8
Good
470 reviews
Check prices

Entertainment

7.1

Crew

8.5

Food

6.8

Boarding

7.9

Overall

7.8

Comfort

7.4

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
10,404 reviews
Air Transat
7.8
Good
470 reviews
Check prices

Entertainment

7.1

Crew

8.5

Food

6.8

Boarding

7.9

Overall

7.8

Comfort

7.4

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 £467, WestJet can have you in Ottawa from Dublin in 10h 15m. 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 £383 on this airline. An additional option worth looking into is Air Canada, starting at £452. Air Transat is currently priced 29% 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, February is the cheapest month in which you can book a flight from Dublin to Ottawa (average of £377). Flying from Dublin to Ottawa in January is currently the most expensive (average of £499). 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
Smiths Falls

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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 4 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapest£383Average£501FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapest£452Average£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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