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Cheap flights from Dublin to Ottawa from £284

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 22/5. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — YOW
17 Apr — 24 Apr1
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 18 March 2026.

Tue 28/410:40
DUB
-
YOW
1 stop18h 40m
WestJet
Tue 5/506:55
YOW
-
DUB
2 stops20h 25m
WestJet
Deal found 14/3£422
Fri 22/513:15
DUB
-
YOW
1 stop16h 10m
Air Transat
Mon 1/618:35
YOW
-
DUB
1 stop11h 55m
Air Transat
Deal found 16/3£479
Fri 22/509:20
DUB
-
YOW
1 stop12h 51m
Air Canada
Mon 1/614:00
YOW
-
DUB
2 stops12h 45m
Air Canada
Deal found 16/3£512
Tue 14/412:25
DUB
-
YOW
2 stops15h 41m
Lufthansa
Tue 21/418:20
YOW
-
DUB
2 stops17h 35m
Lufthansa
Deal found 17/3£519
Fri 8/512:30
DUB
-
YOW
1 stop11h 25m
United Airlines
Sun 24/517:50
YOW
-
DUB
1 stop12h 20m
United Airlines
Deal found 16/3£558
Sun 29/308:50
DUB
-
YOW
1 stop15h 05m
United Airlines
Tue 21/417:25
YOW
-
DUB
1 stop11h 20m
United Airlines
Deal found 16/3£561
Wed 29/412:25
DUB
-
YOW
2 stops15h 41m
Lufthansa
Sun 3/514:00
YOW
-
DUB
2 stops16h 35m
Lufthansa
Deal found 13/3£566
Fri 1/512:25
DUB
-
YOW
2 stops17h 21m
Lufthansa
Sun 3/514:00
YOW
-
DUB
2 stops16h 35m
Lufthansa
Deal found 13/3£592
Fri 22/519:50
DUB
-
YOW
2 stops26h 50m
Multiple Airlines
Mon 1/609:05
YOW
-
DUB
3 stops28h 15m
Multiple Airlines
Deal found 16/3£628

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 18 March 2026.

Round-trip from

£422

One-way from

£284

Popular in

August

Cheapest in

February

Average price

£456
WestJet
  • WestJet
  • 28/4-5/5
  • 3 total stops
  • 39h 05m total
  • Dublin to Ottawa
Search Deals
22/5
  • 22/5
  • 2 total stops
  • 38h 45m total
  • Dublin to Ottawa
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£15 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 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 18 March 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 - YOW

DUBYOW

Dublin

Tue 28/4

13:00-12:30

2 stops28h 30m

Ottawa

Tue 5/5

18:25-08:20

2 stops32h 55m

£472

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Fri 22/5

13:15-00:25

1 stop16h 10m

Ottawa

Mon 1/6

18:35-11:30

1 stop11h 55m

£479

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Tue 14/4

12:25-23:06

2 stops15h 41m

Ottawa

Tue 21/4

18:20-16:55

2 stops17h 35m

£519

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Fri 22/5

08:50-16:38

2 stops12h 48m

Ottawa

Mon 1/6

15:10-10:40

2 stops14h 30m

£558
Fastest return journey

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Fri 8/5

12:30-18:55

1 stop11h 25m

Ottawa

Sun 24/5

17:50-11:10

1 stop12h 20m

£558

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Sun 29/3

08:50-18:55

1 stop15h 05m

Ottawa

Tue 21/4

17:25-09:45

1 stop11h 20m

£561

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Wed 29/4

12:25-23:06

2 stops15h 41m

Ottawa

Sun 3/5

14:00-11:35

2 stops16h 35m

£566

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Fri 1/5

12:25-00:46

2 stops17h 21m

Ottawa

Sun 3/5

14:00-11:35

2 stops16h 35m

£592

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Tue 28/4

19:50-16:51

3 stops26h 01m

Ottawa

Tue 5/5

07:00-05:15

3 stops17h 15m

£3,459
Cheapest one-way

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Fri 22/5

07:55-17:40

2 stops38h 45m

£284

Flights are sorted by cheapest return flights first.

Deals found on 16/3

Showing 1-10 of 11 resultsSorted by cheapest first
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, May is the cheapest month in which you can book a flight from Dublin to Ottawa (average of £375). Flying from Dublin to Ottawa in January is currently the most expensive (average of £532). 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 18 March 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
7.7
Good
521 reviews
Check prices

Comfort

7.3

Entertainment

7.0

Food

6.8

Boarding

7.9

Overall

7.7

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Air Transat
7.7
Good
521 reviews
Air Transat
7.7
Good
521 reviews
Check prices

Comfort

7.3

Entertainment

7.0

Food

6.8

Boarding

7.9

Overall

7.7

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Air Canada
7.1
Good
10,813 reviews
Air Transat
7.7
Good
521 reviews
Check prices

Comfort

7.3

Entertainment

7.0

Food

6.8

Boarding

7.9

Overall

7.7

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.

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 £519, WestJet can have you in Ottawa from Dublin in 15h 41m. 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 £375 on this airline. An additional option worth looking into is Air Canada, starting at £440. Air Transat is currently priced 28% 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, May is the cheapest month in which you can book a flight from Dublin to Ottawa (average of £375). Flying from Dublin to Ottawa in January is currently the most expensive (average of £532). 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
Brockville
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 18 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapest£375Average£491FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapest£440Average£514FlexibilityNo 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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