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Flights to Ottawa

€327 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 15/5. 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
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.
WestJet Logo
09:40 - 00:20
DUB
-
YOW
19h 40m
2 stops
WestJet Logo
05:55 - 08:20
YOW
-
DUB
21h 25m
2 stops
€354WestJet
Mon, 11 May - Wed, 27 May
WestJet Logo
10:40 - 00:20
DUB
-
YOW
18h 40m
1 stop
WestJet Logo
05:55 - 08:20
YOW
-
DUB
21h 25m
2 stops
€361WestJet
Mon, 11 May - Wed, 27 May
WestJet Logo
10:40 - 00:20
DUB
-
YOW
18h 40m
1 stop
WestJet Logo
05:55 - 09:20
YOW
-
DUB
22h 25m
1 stop
€375WestJet
Mon, 11 May - Wed, 27 May
WestJet Logo
11:25 - 00:39
DUB
-
YOW
18h 14m
1 stop
WestJet Logo
05:40 - 09:30
YOW
-
DUB
23h 50m
1 stop
€387WestJet
Sat, 7 Mar - Fri, 20 Mar
Multiple Airlines Logo
05:10 - 22:18
DUB
-
YOW
22h 08m
2 stops
Multiple Airlines Logo
06:00 - 06:10
YOW
-
DUB
20h 10m
1 stop
€524Multiple Airlines
Wed, 4 Mar - Sun, 8 Mar
Air Canada Logo
09:00 - 19:18
DUB
-
YOW
15h 18m
1 stop
Air Canada Logo
10:20 - 06:10
YOW
-
DUB
15h 50m
1 stop
€535Air Canada
Sun, 1 Mar - Tue, 17 Mar
Multiple Airlines Logo
09:15 - 22:18
DUB
-
YOW
42h 03m
2 stops
Multiple Airlines Logo
16:15 - 06:10
YOW
-
DUB
9h 55m
1 stop
€540Multiple Airlines
Sun, 1 Mar - Tue, 17 Mar
Lufthansa Logo
05:00 - 16:23
DUB
-
YOW
16h 23m
2 stops
Lufthansa Logo
16:00 - 16:25
YOW
-
DUB
20h 25m
2 stops
€541Lufthansa
Tue, 3 Mar - Tue, 24 Mar
Lufthansa Logo
09:25 - 01:38
DUB
-
YOW
20h 13m
2 stops
Lufthansa Logo
18:05 - 08:15
YOW
-
DUB
9h 10m
1 stop
€544Lufthansa
Fri, 13 Mar - Sun, 29 Mar
Lufthansa Logo
05:10 - 16:23
DUB
-
YOW
16h 13m
2 stops
Lufthansa Logo
14:05 - 11:00
YOW
-
DUB
16h 55m
2 stops
€546Lufthansa
Wed, 4 Mar - Sun, 8 Mar

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 18 February 2026.
Use the filters below to find and compare flights to Ottawa that are best for you.

Fly from

Route

Depart

Return

Price

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Mon 11/5

09:40-00:20

2 stops19h 40m

Ottawa

Wed 27/5

05:55-08:20

2 stops21h 25m

€354

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Mon 11/5

10:40-00:20

1 stop18h 40m

Ottawa

Wed 27/5

05:55-08:20

2 stops21h 25m

€361

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Mon 11/5

10:40-00:20

1 stop18h 40m

Ottawa

Wed 27/5

05:55-09:20

1 stop22h 25m

€375

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Sat 7/3

11:25-00:39

1 stop18h 14m

Ottawa

Fri 20/3

05:40-09:30

1 stop23h 50m

€386

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Wed 4/3

05:10-22:18

2 stops22h 08m

Ottawa

Sun 8/3

06:00-06:10

1 stop20h 10m

€524

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Sun 1/3

09:00-19:18

1 stop15h 18m

Ottawa

Tue 17/3

10:20-06:10

1 stop15h 50m

€535

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Sun 1/3

09:15-22:18

2 stops42h 03m

Ottawa

Tue 17/3

16:15-06:10

1 stop9h 55m

€540

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Tue 3/3

05:00-16:23

2 stops16h 23m

Ottawa

Tue 24/3

16:00-16:25

2 stops20h 25m

€541

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Fri 13/3

09:25-01:38

2 stops20h 13m

Ottawa

Sun 29/3

18:05-08:15

1 stop9h 10m

€544

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Wed 4/3

05:10-16:23

2 stops16h 13m

Ottawa

Sun 8/3

14:05-11:00

2 stops16h 55m

€546

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to Ottawa from

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 February. Flight prices, which tend to average around €515, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Ottawa from Ireland during September instead. Flights to Ottawa in September, while not as cheap as those in February, still average around €523.

Cheapest flights to Ottawa

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

Cheap Ottawa flight deals and tips

Summary info about Ottawa flight prices, duration and airlines

Best One-Way Price

€327

Best Round-Trip Price

€354

Fastest flight time

18h 45m

Popular in

January
The best one-way flight price to Ottawa from Ireland in the last 72 hours is €327 (Dublin to Ottawa).
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The best round-trip flight price to Ottawa from Ireland in the last 72 hours is €354 (Dublin to Ottawa).
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The fastest flight to Ottawa from Ireland takes 18h 45m (Dublin to Ottawa).
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January has the highest demand for flights to Ottawa, with a 1% 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 €155. 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 February 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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