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.
DUB — YOW
23 juil. — 30 juil.1
1 adult

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

£455

Popular in

August

Cheapest in

February

Average price

£548
Lufthansa
  • Lufthansa
  • 11/10-27/10
  • 4 total stops
  • 43h 49m total
  • Ireland to Ottawa
Highest demand for flights based on searches. 5% potential increase in price (£22 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).
Average for round-trip flights in July 2025

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

Cheapflights Fare Finder

Customise your flight search to find flights from Ireland 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 juillet 2025.
Use the filters below to find and compare flights from Ireland to Ottawa that are best for you.

Fly from

Ireland

Fly to

Ottawa

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

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 juillet 2025.
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.

Overall

7.5

Comfort

7.4

Crew

8.2

Food

7.1

Boarding

7.6

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

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

Overall

7.5

Comfort

7.4

Crew

8.2

Food

7.1

Boarding

7.6

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

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

Overall

7.5

Comfort

7.4

Crew

8.2

Food

7.1

Boarding

7.6

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

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

Overall

7.5

Comfort

7.4

Crew

8.2

Food

7.1

Boarding

7.6

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

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

Overall

7.5

Comfort

7.4

Crew

8.2

Food

7.1

Boarding

7.6

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

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

Overall

7.5

Comfort

7.4

Crew

8.2

Food

7.1

Boarding

7.6

Entertainment

6.8

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

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?

    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

Travelling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Smiths Falls

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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

Discover the top 2 airlines that operate flights from Ireland 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 juillet 2025.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapest£373Average£413FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapest£435Average£508FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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