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.

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).

What is the cheapest month to fly from Ireland to Ottawa?

Flights from Ireland to Ottawa lean towards being more expensive in August. Prices are generally better when you fly from Ireland to Ottawa in February, with the cheapest ticket starting at £423.

What is the cheapest time of day to fly from IE to YOW?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ireland to Ottawa as you normally would.

What airport do you fly into for flights to Ottawa from Ireland?

Located just 6.6 mi from the city center, Ottawa (YOW) is the airport most travelers will use when flying to Ottawa from Ireland.

Can I find deals for flights from Ireland to Ottawa that include hotel bookings?

Yes. In addition to deals on Ireland to Ottawa flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Ireland to Ottawa?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to Ottawa.

Can I find deals for business class flights from Ireland to Ottawa?

Yes. Cheapflights offers flight deals from Ireland 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.

£455+ Flights from Ireland to Ottawa

Cheap flight deals from Ireland to Ottawa

Round-trip from	£455
Popular in	August
Cheapest in	February
Average price	£548

Lufthansa
11/10-27/10
4 total stops
43h 49m total
Ireland to Ottawa

Search Deals

Highest demand for flights based on searches. 5% potential increase in price (£22 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 July 2025

Search Deals

Find flight deals from Ireland to Ottawa

Cheapest flights from Ireland to Ottawa
Explore the most affordable flight options available from Ireland to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 juillet 2025.

sam. 11/1005:55DUB - YOW

2 stops23h 24mLufthansa

lun. 27/1016:00YOW - DUB

2 stops20h 25mLufthansa

Deal found 18/7£455

lun. 1/908:50DUB - YOW

2 stops17h 45mUnited Airlines

lun. 8/912:30YOW - DUB

2 stops16h 50mUnited Airlines

Deal found 18/7£498

mar. 12/809:20DUB - YOW

1 stop9h 24mAir Canada

dim. 31/808:00YOW - DUB

1 stop18h 45mAir Canada

Deal found 17/7£547

lun. 11/814:15DUB - YOW

2 stops15h 07mMultiple Airlines

jeu. 28/805:55YOW - DUB

2 stops24h 10mMultiple Airlines

Deal found 17/7£562

jeu. 14/808:40DUB - YOW

2 stops19h 28mSWISS

jeu. 21/815:55YOW - DUB

2 stops35h 00mSWISS

Deal found 17/7£654

jeu. 14/811:30DUB - YOW

1 stop17h 52mWestJet

lun. 25/805:55YOW - DUB

2 stops21h 40mWestJet

Deal found 17/7£657

Best flights from Ireland to Ottawa
Discover carefully curated flight deals from Ireland to Ottawa that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 juillet 2025.

sam. 11/1005:55DUB - YOW

2 stops23h 24mLufthansa

lun. 27/1016:00YOW - DUB

2 stops20h 25mLufthansa

Deal found 18/7£455

lun. 1/908:50DUB - YOW

2 stops17h 45mUnited Airlines

lun. 8/912:30YOW - DUB

2 stops16h 50mUnited Airlines

Deal found 18/7£498

mar. 12/809:20DUB - YOW

1 stop9h 24mAir Canada

dim. 31/808:00YOW - DUB

1 stop18h 45mAir Canada

Deal found 17/7£547

lun. 11/814:15DUB - YOW

2 stops15h 07mMultiple Airlines

jeu. 28/805:55YOW - DUB

2 stops24h 10mMultiple Airlines

Deal found 17/7£562

jeu. 14/808:40DUB - YOW

2 stops19h 28mSWISS

jeu. 21/815:55YOW - DUB

2 stops35h 00mSWISS

Deal found 17/7£654

jeu. 14/811:30DUB - YOW

1 stop17h 52mWestJet

lun. 25/805:55YOW - DUB

2 stops21h 40mWestJet

Deal found 17/7£657

Last-minute flights from Ireland to Ottawa
Discover last-minute flight deals from Ireland to Ottawa. Data last updated 18 juillet 2025 and is based on user searches.

lun. 11/814:15DUB - YOW

2 stops15h 07mMultiple Airlines

jeu. 28/805:55YOW - DUB

2 stops24h 10mMultiple Airlines

Deal found 17/7£562

mar. 12/809:20DUB - YOW

1 stop9h 24mAir Canada

dim. 31/808:00YOW - DUB

1 stop18h 45mAir Canada

Deal found 17/7£547

jeu. 14/808:40DUB - YOW

2 stops19h 28mSWISS

jeu. 21/815:55YOW - DUB

2 stops35h 00mSWISS

Deal found 17/7£654

jeu. 14/811:30DUB - YOW

1 stop17h 52mWestJet

lun. 25/805:55YOW - DUB

2 stops21h 40mWestJet

Deal found 17/7£657

jeu. 28/809:50DUB - YOW

1 stop16h 30mLufthansa

mer. 10/916:05YOW - DUB

1 stop10h 40mLufthansa

Deal found 16/7£457

dim. 31/808:50DUB - YOW

2 stops12h 53mUnited Airlines

dim. 7/910:37YOW - DUB

2 stops15h 33mUnited Airlines

Deal found 17/7£498

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ireland to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinOttawa

DUB - YOW

DUBYOW

Dublin

sam. 11/10

05:55-00:19

2 stops23h 24m

Ottawa

lun. 27/10

16:00-16:25

2 stops20h 25m

£455

DublinOttawa

DUB - YOW

DUBYOW

Dublin

lun. 1/9

08:50-21:35

2 stops17h 45m

Ottawa

lun. 8/9

12:30-10:20

2 stops16h 50m

£498

DublinOttawa

DUB - YOW

DUBYOW

Dublin

mar. 12/8

09:20-13:44

1 stop9h 24m

Ottawa

dim. 31/8

08:00-07:45

1 stop18h 45m

£547

DublinOttawa

DUB - YOW

DUBYOW

Dublin

lun. 11/8

14:15-00:22

2 stops15h 07m

Ottawa

jeu. 28/8

05:55-11:05

2 stops24h 10m

£562

DublinOttawa

DUB - YOW

DUBYOW

Dublin

jeu. 14/8

08:40-23:08

2 stops19h 28m

Ottawa

jeu. 21/8

15:55-07:55

2 stops35h 00m

£654

DublinOttawa

DUB - YOW

DUBYOW

Dublin

jeu. 14/8

11:30-00:22

1 stop17h 52m

Ottawa

lun. 25/8

05:55-08:35

2 stops21h 40m

£657

DublinOttawa

DUB - YOW

DUBYOW

Dublin

dim. 10/8

10:00-00:22

1 stop19h 22m

£548

Flights are sorted by cheapest return flights first.

Deals found on 17/7

Best time to book a flight from Ireland to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from Ireland 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 Ireland to Ottawa

What is the cheapest month to book a flight from Ireland to Ottawa?

Currently, January is the cheapest month in which you can book a flight from Ireland to Ottawa (average of £588). Flying from Ireland 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

Read reviews from past customers who have flown with SWISS, United Airlines, andWestJet from Ireland to Ottawa. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

SWISS

7.5

Good

1,661 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.

SWISS

7.5

Good

1,661 reviews

SWISS

7.5

Good

1,661 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.

United Airlines

7.4

Good

8,865 reviews

SWISS

7.5

Good

1,661 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.

WestJet

7.2

Good

2,950 reviews

SWISS

7.5

Good

1,661 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.

Air Canada

7.1

Good

9,743 reviews

SWISS

7.5

Good

1,661 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.

Lufthansa

6.8

Okay

7,216 reviews

SWISS

7.5

Good

1,661 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.

Related info for your journey

What airport do you fly into for flights to Ottawa from Ireland?
Located just 6.6 mi from the city center, Ottawa (YOW) is the airport most travelers will use when flying to Ottawa from Ireland.
Can I find deals for flights from Ireland to Ottawa that include hotel bookings?
Yes. In addition to deals on Ireland to Ottawa flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Ireland to Ottawa?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to Ottawa.
Can I find deals for business class flights from Ireland to Ottawa?
Yes. Cheapflights offers flight deals from Ireland 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 Ireland to Ottawa?
Currently, January is the cheapest month in which you can book a flight from Ireland to Ottawa (average of £588). Flying from Ireland 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

Gatineau

Smiths Falls

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Ireland to Ottawa

Airline	Cheapest	Average	Flexibility	On-time
Air Transat	Cheapest£373	Average£413	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
Air Canada	Cheapest£435	Average£508	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

Fly with Cheapflights

How does Cheapflights help users find flights from Ireland to Ottawa?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Ottawa from Ireland today with Cheapflights!

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Ireland to Ottawa.

Can Cheapflights find flights from Ireland to Ottawa with no change fees?

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

Can Cheapflights notify me if prices for flights from Ireland to Ottawa become cheaper?

Of course! You can now track prices for flights from Ireland to Ottawa and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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Our users can plan ahead with confidence and find flights with no change fees

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Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Ireland to Ottawa from £455

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.

Cheap flight deals from Ireland to Ottawa

Keep the following information in mind while searching for Ireland to Ottawa flight deals. Data was last updated 18 juillet 2025.

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Ireland to Ottawa

Cheapest flights from Ireland to OttawaExplore the most affordable flight options available from Ireland to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 juillet 2025.

Explore the most affordable flight options available from Ireland to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 juillet 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ireland to Ottawa that are best for you.

Best time to book a flight from Ireland to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from Ireland with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Ireland to Ottawa

What is the cheapest month to book a flight from Ireland to Ottawa?

Reviews of airlines servicing Ottawa

Read reviews from past customers who have flown with SWISS, United Airlines, andWestJet from Ireland to Ottawa. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Ireland to Ottawa. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Ottawa from Ireland?

Can I find deals for flights from Ireland to Ottawa that include hotel bookings?

How can I find direct flights from Ireland to Ottawa?

Can I find deals for business class flights from Ireland to Ottawa?

What is the cheapest month to book a flight from Ireland to Ottawa?

Travelling to a place near Ottawa?

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 Ireland to Ottawa

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Ireland to Ottawa

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 Ireland to Ottawa?

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

Can Cheapflights find flights from Ireland to Ottawa with no change fees?

Can Cheapflights notify me if prices for flights from Ireland to Ottawa become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Ireland to Ottawa
Explore the most affordable flight options available from Ireland to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 juillet 2025.