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Cheap flights from Dublin to Ottawa from £464

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — YOW
18 Jun — 25 Jun1
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 13 June 2025.

Round-trip from

£464

Popular in

August

Cheapest in

February

Average price

£563
Lufthansa
  • Lufthansa
  • 11/10-27/10
  • 3 total stops
  • 51h 19m total
  • Dublin to Ottawa
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Highest demand for flights based on searches. 1% potential increase in price (£5 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 June 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 13 June 2025.

Sat 11/1009:00DUB - YOW
2 stops20h 19mLufthansa
Mon 27/1019:10YOW - DUB
1 stop31h 00mLufthansa
Deal found 11/6£464
Thu 19/609:20DUB - YOW
1 stop12h 23mUnited Airlines
Sat 5/719:29YOW - DUB
1 stop9h 51mUnited Airlines
Deal found 12/6£486
Sun 27/707:45DUB - YOW
2 stops21h 37mMultiple Airlines
Sun 3/805:55YOW - DUB
2 stops37h 45mMultiple Airlines
Deal found 12/6£576
Sun 27/709:50DUB - YOW
1 stop12h 15mAir Canada
Sun 3/814:25YOW - DUB
1 stop12h 20mAir Canada
Deal found 12/6£577

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 13 June 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 11/10

09:00-00:19

2 stops20h 19m

Ottawa

Mon 27/10

19:10-06:10

1 stop31h 00m

£464

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Sun 27/7

07:45-00:22

2 stops21h 37m

Ottawa

Sun 3/8

05:55-00:40

2 stops37h 45m

£576

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Sun 27/7

09:50-17:05

1 stop12h 15m

Ottawa

Sun 3/8

14:25-07:45

1 stop12h 20m

£577

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Fri 4/7

08:50-16:43

2 stops12h 53m

Ottawa

Thu 10/7

14:48-10:20

2 stops14h 32m

£578

Flights are sorted by cheapest return flights first.

Deals found on 11/6

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.

Rainfall in Ottawa by month

Plan your trip to Ottawa by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ottawa ranges from 50.0 - 93.0 inches per month. June is typically the wettest month, when rainfall can reach 93.0 mm. February is typically the driest time to visit Ottawa when rainfall is around 50.0 mm.

Temperature in Ottawa by month

Plan your trip to Ottawa by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ottawa, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -10.0 C).

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 13 June 2025.
United Airlines
7.4
Good
8,790 reviews
Check prices

Entertainment

7.0

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,790 reviews
United Airlines
7.4
Good
8,790 reviews
Check prices

Entertainment

7.0

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
Air Canada
7.1
Good
9,539 reviews
United Airlines
7.4
Good
8,790 reviews
Check prices

Entertainment

7.0

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
Lufthansa
6.8
Okay
7,139 reviews
United Airlines
7.4
Good
8,790 reviews
Check prices

Entertainment

7.0

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

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 £464 on this airline. Additional options worth looking into are Air Canada and United Airlines, starting at £577 and £578 round-trip. Lufthansa is currently priced 10% 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 13 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£436Average£503FlexibilityNo 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?

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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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