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Flights to Ottawa

€250 Cheap flights to Ottawa

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Ottawa departing on 27/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Ireland to Ottawa

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
06:25 - 12:40DUB  Dublin-YOW Ottawa
11h 15m1 stop London Gatwick
Multiple Airlines Logo
14:15 - 22:15YOW  Ottawa-DUB Dublin
27h 00m2 stops Montreal Pierre Elliott Trudeau Intl London Gatwick
€476Multiple Airlines
Tue, 15 Sep - Tue, 22 Sep
Multiple Airlines Logo
06:25 - 12:40DUB  Dublin-YOW Ottawa
11h 15m1 stop London Gatwick
Multiple Airlines Logo
19:40 - 11:10YOW  Ottawa-DUB Dublin
10h 30m1 stop London Gatwick
€489Multiple Airlines
Tue, 15 Sep - Tue, 22 Sep
Multiple Airlines Logo
09:40 - 00:20DUB  Dublin-YOW Ottawa
19h 40m2 stops Halifax Intl Toronto Pearson Intl
Multiple Airlines Logo
07:00 - 23:20YOW  Ottawa-DUB Dublin
35h 20m2 stops Toronto Pearson Intl London Gatwick
€518Multiple Airlines
Thu, 10 Sep - Wed, 23 Sep
Multiple Airlines Logo
07:50 - 08:05DUB  Dublin-YOW Ottawa
29h 15m2 stops London Gatwick Toronto Pearson Intl
Multiple Airlines Logo
19:40 - 20:45YOW  Ottawa-DUB Dublin
20h 05m1 stop London Gatwick
€523Multiple Airlines
Thu, 3 Sep - Fri, 18 Sep
Air Transat Logo
13:15 - 20:00DUB  Dublin-YOW Ottawa
11h 45m1 stop Toronto Pearson Intl
Air Transat Logo
16:00 - 11:30YOW  Ottawa-DUB Dublin
14h 30m1 stop Toronto Pearson Intl
€527Air Transat
Thu, 10 Sep - Wed, 23 Sep
Air Transat Logo
13:15 - 00:25DUB  Dublin-YOW Ottawa
16h 10m1 stop Toronto Pearson Intl
Air Transat Logo
20:55 - 11:30YOW  Ottawa-DUB Dublin
9h 35m1 stop Toronto Pearson Intl
€528Air Transat
Thu, 10 Sep - Thu, 24 Sep
Air Transat Logo
13:15 - 08:05DUB  Dublin-YOW Ottawa
23h 50m1 stop Toronto Pearson Intl
Air Transat Logo
07:00 - 11:30YOW  Ottawa-DUB Dublin
23h 30m1 stop Toronto Pearson Intl
€530Air Transat
Thu, 10 Sep - Wed, 23 Sep
Air Transat Logo
13:15 - 20:00DUB  Dublin-YOW Ottawa
11h 45m1 stop Toronto Pearson Intl
Air Transat Logo
16:00 - 11:30YOW  Ottawa-DUB Dublin
14h 30m1 stop Toronto Pearson Intl
€530Air Transat
Thu, 10 Sep - Wed, 23 Sep
Air Canada Logo
09:00 - 19:30DUB  Dublin-YOW Ottawa
15h 30m1 stop Toronto Pearson Intl
Air Canada Logo
08:50 - 07:10YOW  Ottawa-DUB Dublin
17h 20m2 stops Halifax Intl Toronto Pearson Intl
€658Air Canada
Sun, 27 Dec - Wed, 13 Jan
Air Canada Logo
09:00 - 17:20DUB  Dublin-YOW Ottawa
13h 20m1 stop Toronto Pearson Intl
Air Canada Logo
07:00 - 07:10YOW  Ottawa-DUB Dublin
19h 10m1 stop Toronto Pearson Intl
€658Air Canada
Sun, 27 Dec - Wed, 13 Jan

momondo Fare Finder

 
Locate flights to Ottawa that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 13,528 searches and data was last updated on 8 August 2026.
Use the filters below to find and compare flights to Ottawa that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Tue 15/9

06:25-12:40

1 stop11h 15m

Ottawa

Tue 22/9

14:15-22:15

2 stops27h 00m

€476
Fastest return journey

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Tue 15/9

06:25-12:40

1 stop11h 15m

Ottawa

Tue 22/9

19:40-11:10

1 stop10h 30m

€489

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Thu 10/9

09:40-00:20

2 stops19h 40m

Ottawa

Wed 23/9

07:00-23:20

2 stops35h 20m

€518

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Thu 3/9

07:50-08:05

2 stops29h 15m

Ottawa

Fri 18/9

19:40-20:45

1 stop20h 05m

€523

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Thu 10/9

13:15-20:00

1 stop11h 45m

Ottawa

Wed 23/9

16:00-11:30

1 stop14h 30m

€527

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Thu 10/9

13:15-00:25

1 stop16h 10m

Ottawa

Thu 24/9

20:55-11:30

1 stop9h 35m

€528

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Thu 10/9

13:15-08:05

1 stop23h 50m

Ottawa

Wed 23/9

07:00-11:30

1 stop23h 30m

€530

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Thu 10/9

13:15-20:00

1 stop11h 45m

Ottawa

Wed 23/9

16:00-11:30

1 stop14h 30m

€530

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Sun 27/12

09:00-19:30

1 stop15h 30m

Ottawa

Wed 13/1

08:50-07:10

2 stops17h 20m

€658

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Sun 27/12

09:00-17:20

1 stop13h 20m

Ottawa

Wed 13/1

07:00-07:10

1 stop19h 10m

€658

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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Ottawa flights insights and trends

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

What is the cheapest month to fly to Ottawa?

The cheapest month to fly to Ottawa from Ireland is in March. Flight prices, which tend to average around €483, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of March, then book flights to Ottawa from Ireland during September instead. Flights to Ottawa in September, while not as cheap as those in March, still average around €541.

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 DUBLINMarch24% cheaperFlying from Dublin to Ottawa costs on average just €483 in March
MOST EXPENSIVE MONTH TO FLY TO OTTAWA FROM DUBLINJune20% more expensiveIt costs about €761 for flights to Ottawa from Dublin in June
MOST POPULAR MONTH TO FLY TO OTTAWA FROM DUBLINDecember528% more users visitedMore 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

€250

Best Round-Trip Price

€476

Fastest flight time

36h 55m

Popular in

June
The best one-way flight price to Ottawa from Ireland in the last 5 days is €250 (Dublin to Ottawa).
Search Deals
The best return flight price to Ottawa from Ireland in the last 5 days is €476 (Dublin to Ottawa).
Search Deals
The fastest flight to Ottawa from Ireland takes 36h 55m (Dublin to Ottawa).
Search Deals
June has the highest demand for flights to Ottawa, with a 6% price increase on average.
Search Deals

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 €280. 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 is 1 operator available for flights to Ottawa Airport as of August 2026.

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.

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Find better results for your trip to Ottawa

Popular Flights to Ottawa

Popular routes according to searches in the past day on momondo
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