Which airlines fly to Ottawa?

Based on our data, the most popular airlines that fly to Ottawa from Ireland are Air Canada, Lufthansa, British Airways and United Airlines. There may also be other airline options depending on where in Ireland you’re flying from.

How long does it take to fly to Ottawa?

Flight times from Ireland to Ottawa vary, but if you’re flying out of Dublin and flying into Montreal Pierre Elliott Trudeau Intl (one of the most popular routes), then the duration is 11h 15m on average. Another popular route from Ireland to Ottawa is flying from Cork to Montreal Pierre Elliott Trudeau Intl, which will take roughly . Keep in mind that layovers or delays could extend your travel time.

€340 Cheap Flights to Ottawa in 2025/26

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Find the cheapest flights from Ireland to Ottawa

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Cheap return flights

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13:15 - 10:21DUB-YOW

26h 06m1 stop

17:05 - 11:30YOW-DUB

13h 25m1 stop

€464Air Transat

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Wed, 6 May - Sun, 10 May

13:15 - 10:21DUB-YOW

26h 06m1 stop

17:05 - 11:30YOW-DUB

13h 25m1 stop

€465Air Transat

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Wed, 6 May - Sun, 10 May

05:10 - 14:07DUB-YOW

13h 57m2 stops

12:05 - 07:10YOW-DUB

14h 05m1 stop

€486Lufthansa

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Wed, 3 Dec - Sun, 7 Dec

05:00 - 14:07DUB-YOW

14h 07m2 stops

12:05 - 07:10YOW-DUB

14h 05m1 stop

€488Lufthansa

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Thu, 27 Nov - Sun, 30 Nov

05:00 - 14:07DUB-YOW

14h 07m2 stops

20:25 - 07:10YOW-DUB

29h 45m1 stop

€496Multiple Airlines

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Thu, 27 Nov - Mon, 1 Dec

05:10 - 16:23DUB-YOW

16h 13m2 stops

06:00 - 07:10YOW-DUB

20h 10m1 stop

€498Multiple Airlines

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Fri, 20 Feb - Thu, 5 Mar

09:00 - 15:23DUB-YOW

11h 23m1 stop

14:05 - 07:10YOW-DUB

12h 05m1 stop

€509Air Canada

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Wed, 3 Dec - Sun, 7 Dec

09:50 - 15:05DUB-YOW

10h 15m1 stop

10:00 - 08:15YOW-DUB

17h 15m1 stop

€512Air Canada

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Sat, 9 May - Tue, 12 May

13:35 - 23:54DUB-YOW

15h 19m2 stops

15:10 - 10:20YOW-DUB

14h 10m2 stops

€570United Airlines

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Thu, 18 Dec - Wed, 31 Dec

09:30 - 21:18DUB-YOW

16h 48m2 stops

15:10 - 07:30YOW-DUB

11h 20m1 stop

€571United Airlines

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Mon, 15 Dec - Tue, 30 Dec

Fly from

Route

Depart

Return

Price

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Wed 6/5

13:15-10:21

1 stop26h 06m

Ottawa

Sun 10/5

17:05-11:30

1 stop13h 25m

€464

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Wed 6/5

13:15-10:21

1 stop26h 06m

Ottawa

Sun 10/5

17:05-11:30

1 stop13h 25m

€465

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Wed 3/12

05:10-14:07

2 stops13h 57m

Ottawa

Sun 7/12

12:05-07:10

1 stop14h 05m

€486

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Thu 27/11

05:00-14:07

2 stops14h 07m

Ottawa

Sun 30/11

12:05-07:10

1 stop14h 05m

€488

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Thu 27/11

05:00-14:07

2 stops14h 07m

Ottawa

Mon 1/12

20:25-07:10

1 stop29h 45m

€496

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Fri 20/2

05:10-16:23

2 stops16h 13m

Ottawa

Thu 5/3

06:00-07:10

1 stop20h 10m

€498

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Wed 3/12

09:00-15:23

1 stop11h 23m

Ottawa

Sun 7/12

14:05-07:10

1 stop12h 05m

€509

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Sat 9/5

09:50-15:05

1 stop10h 15m

Ottawa

Tue 12/5

10:00-08:15

1 stop17h 15m

€512

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Thu 18/12

13:35-23:54

2 stops15h 19m

Ottawa

Wed 31/12

15:10-10:20

2 stops14h 10m

€570

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Mon 15/12

09:30-21:18

2 stops16h 48m

Ottawa

Tue 30/12

15:10-07:30

1 stop11h 20m

€571

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

Ottawa flights insights and trends

Explore insights for your Ottawa flight to craft the best travel plan

Prices

Other information

What is the cheapest month to fly to Ottawa?

The cheapest month to fly to Ottawa from Ireland is in September. Flight prices, which tend to average around €534, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of September, then book flights to Ottawa from Ireland during March instead. Flights to Ottawa in March, while not as cheap as those in September, still average around €549.

What is the cheapest day to depart on your flight to Ottawa?

The cheapest day to depart from Ireland to Ottawa is on a Thursday when prices can be found for as low as €577. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Ireland to Ottawa for around €794.

What is the cheapest time of day to depart on your flight to Ottawa?

Flying to Ottawa from Ireland at midday is the least expensive time of day to depart. momondo users have found prices as low as €601 when looking at flights departing at midday. In contrast, the most expensive time of day to depart to Ottawa is in the morning when prices are around €621.

Cheapest flights to Ottawa

Find the cheapest flights to Ottawa from your nearest city or airport

Find flights from Dublin to Ottawa

CHEAPEST MONTH TO FLY TO OTTAWA FROM DUBLIN	September	13% cheaper	Flying from Dublin to Ottawa costs on average just €534 in September
MOST EXPENSIVE MONTH TO FLY TO OTTAWA FROM DUBLIN	August	18% more expensive	It costs about €726 for flights to Ottawa from Dublin in August
MOST POPULAR MONTH TO FLY TO OTTAWA FROM DUBLIN	December	400% more users visited	More momondo users searched in flights to Ottawa from Dublin in December than any other month

Cheap Ottawa flight deals and tips

Summary info about Ottawa flight prices, duration and airlines

Best One-Way Price	€340
Best Round-Trip Price	€464
Fastest flight time	10h 29m
Popular in	August

The best one-way flight price to Ottawa from Ireland in the last 72 hours is €340 (Dublin to Ottawa).

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The best round-trip flight price to Ottawa from Ireland in the last 72 hours is €464 (Dublin to Ottawa).

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The fastest flight to Ottawa from Ireland takes 10h 29m (Dublin to Ottawa).

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August has the highest demand for flights to Ottawa, with a 3% price increase on average.

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Frequently asked questions about flying to Ottawa

Is there an alternative airport near Ottawa?

Finding an alternative and possibly cheaper destination airport near Ottawa is possible. If you are planning a flight to Ottawa, consider booking flights to Ottawa Airport (11 km from Ottawa city centre), Mont Tremblant Intl Airport (131 km from Ottawa city centre) or Kingston Airport (150 km from Ottawa city centre).

Is there a cheaper alternative to flying into Ottawa?

Prices vary based on where travellers are departing from, but on average, the cheapest airport to fly to in Ottawa is Ottawa Airport where the average price is €382. Users typically find the best prices when using momondo’s Airport-to-Airport Pricing Tool.

When did momondo last update prices for flights to Ottawa Airport?

Prices for flights to Ottawa Airport were last updated today.

How many operators does momondo search for flights to Ottawa Airport?

There are 2 operators available for flights to Ottawa Airport as of November 2025.

How old do you have to be to fly to Ottawa Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel to Ottawa Airport.

What documentation or ID do you need to fly to Ottawa Airport?

The travel and health documents you'll need for your trip to Ottawa Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Ottawa Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal to Ottawa?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight to Ottawa. momondo saves you time and could save you money on your trip.

Can I find flights to Ottawa with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Ottawa with this policy.

How can momondo help me find flights to Ottawa?

Once you have performed a search for flights to Ottawa, momondo helps you find the right flight by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight to Ottawa right now. Can momondo alert me if prices change?

If you are not ready to book a flight to Ottawa now, use our insights above to find helpful tips or alternatively set up a price alert; this is where momondo will track prices on flights to Ottawa and let you know when they change.