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Cheap flights from Dublin to Ottawa from £453

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/8. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — YOW
16 Jul — 23 Jul1
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 11 July 2025.

Round-trip from

£453

Popular in

August

Cheapest in

February

Average price

£522
Lufthansa
  • Lufthansa
  • 28/8-10/9
  • 2 total stops
  • 22h 55m total
  • Dublin to Ottawa
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Highest demand for flights based on searches. 3% potential increase in price (£13 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).
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Average for round-trip flights in July 2025
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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 11 July 2025.

Thu 28/809:50DUB - YOW
1 stop12h 15mLufthansa
Wed 10/916:05YOW - DUB
1 stop10h 40mLufthansa
Deal found 10/7£453
Sat 23/809:20DUB - YOW
2 stops12h 47mAir Canada
Sat 30/820:55YOW - DUB
1 stop29h 50mAir Canada
Deal found 9/7£465
Sat 23/808:50DUB - YOW
2 stops12h 53mUnited Airlines
Sat 30/806:33YOW - DUB
2 stops22h 47mUnited Airlines
Deal found 9/7£495
Sat 23/820:05DUB - YOW
2 stops27h 51mMultiple Airlines
Sat 30/809:35YOW - DUB
3 stops30h 20mMultiple Airlines
Deal found 9/7£542

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 11 July 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

Thu 28/8

09:50-17:05

1 stop12h 15m

Ottawa

Wed 10/9

16:05-07:45

1 stop10h 40m

£453

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Sat 23/8

09:20-17:07

2 stops12h 47m

Ottawa

Sat 30/8

20:55-07:45

1 stop29h 50m

£465

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Sat 23/8

08:50-16:43

2 stops12h 53m

Ottawa

Sat 30/8

06:33-10:20

2 stops22h 47m

£495

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Sat 23/8

20:05-18:56

2 stops27h 51m

Ottawa

Sat 30/8

09:35-20:55

3 stops30h 20m

£542

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Sat 2/8

09:45-07:54

1 stop27h 09m

£469

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Sat 2/8

09:45-00:22

2 stops19h 37m

£486

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Sat 26/7

13:15-21:11

1 stop12h 56m

£510

Flights are sorted by cheapest return flights first.

Deals found on 10/7

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, 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.

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 11 July 2025.
Get a feel of what it's like to fly with Air Transat, United Airlines, andWestJet 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
412 reviews
Check prices

Boarding

7.9

Crew

8.5

Entertainment

7.1

Comfort

7.4

Food

6.8

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.
Air Transat
7.8
Good
412 reviews
Air Transat
7.8
Good
412 reviews
Check prices

Boarding

7.9

Crew

8.5

Entertainment

7.1

Comfort

7.4

Food

6.8

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.
United Airlines
7.4
Good
8,846 reviews
Air Transat
7.8
Good
412 reviews
Check prices

Boarding

7.9

Crew

8.5

Entertainment

7.1

Comfort

7.4

Food

6.8

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.
WestJet
7.2
Good
2,927 reviews
Air Transat
7.8
Good
412 reviews
Check prices

Boarding

7.9

Crew

8.5

Entertainment

7.1

Comfort

7.4

Food

6.8

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.
Air Canada
7.1
Good
9,696 reviews
Air Transat
7.8
Good
412 reviews
Check prices

Boarding

7.9

Crew

8.5

Entertainment

7.1

Comfort

7.4

Food

6.8

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.
Lufthansa
6.8
Okay
7,200 reviews
Air Transat
7.8
Good
412 reviews
Check prices

Boarding

7.9

Crew

8.5

Entertainment

7.1

Comfort

7.4

Food

6.8

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.

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 Lufthansa. Our recent data shows that you can find tickets from as low as £453 on this airline. Additional options worth looking into are Air Canada and United Airlines, starting at £465 and £495 round-trip. Lufthansa is currently priced 13% 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 airline flying from Dublin to Ottawa

Discover the top airline 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 11 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£429Average£500FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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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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