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Flights to Ottawa

€178 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 16/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
10:40 - 00:20
DUB
-
YOW
18h 40m
1 stop
WestJet Logo
06:55 - 08:20
YOW
-
DUB
44h 25m
2 stops
€397WestJet
Mon, 11 May - Mon, 25 May
WestJet Logo
10:40 - 17:35
DUB
-
YOW
11h 55m
1 stop
WestJet Logo
06:55 - 08:20
YOW
-
DUB
44h 25m
2 stops
€400WestJet
Sun, 10 May - Mon, 25 May
Multiple Airlines Logo
10:40 - 17:35
DUB
-
YOW
11h 55m
1 stop
Multiple Airlines Logo
18:25 - 23:35
YOW
-
DUB
24h 10m
2 stops
€402Multiple Airlines
Sun, 10 May - Tue, 19 May
WestJet Logo
10:40 - 00:20
DUB
-
YOW
18h 40m
1 stop
WestJet Logo
06:55 - 10:45
YOW
-
DUB
22h 50m
1 stop
€403WestJet
Mon, 11 May - Mon, 25 May
WestJet Logo
10:40 - 00:20
DUB
-
YOW
18h 40m
1 stop
WestJet Logo
06:55 - 09:20
YOW
-
DUB
21h 25m
1 stop
€404WestJet
Sun, 10 May - Mon, 25 May
WestJet Logo
10:00 - 00:20
DUB
-
YOW
19h 20m
2 stops
WestJet Logo
06:55 - 09:20
YOW
-
DUB
21h 25m
1 stop
€422WestJet
Thu, 18 Jun - Wed, 1 Jul
Multiple Airlines Logo
10:40 - 17:35
DUB
-
YOW
11h 55m
1 stop
Multiple Airlines Logo
18:25 - 23:35
YOW
-
DUB
24h 10m
2 stops
€440Multiple Airlines
Tue, 12 May - Tue, 19 May
KLM Logo
15:25 - 15:00
ORK
-
YOW
28h 35m
1 stop
KLM Logo
17:25 - 14:40
YOW
-
ORK
16h 15m
1 stop
€638KLM
Tue, 9 Jun - Tue, 16 Jun
KLM Logo
17:10 - 15:00
ORK
-
YOW
26h 50m
2 stops
KLM Logo
17:25 - 16:35
YOW
-
ORK
18h 10m
2 stops
€669KLM
Mon, 8 Jun - Mon, 15 Jun
KLM Logo
15:25 - 15:00
ORK
-
YOW
28h 35m
1 stop
KLM Logo
17:25 - 14:40
YOW
-
ORK
16h 15m
1 stop
€719KLM
Mon, 8 Jun - Mon, 15 Jun

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 28 April 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 - YOW

DUBYOW

Dublin

Mon 11/5

10:40-00:20

1 stop18h 40m

Ottawa

Mon 25/5

06:55-08:20

2 stops44h 25m

€397

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Sun 10/5

10:40-17:35

1 stop11h 55m

Ottawa

Mon 25/5

06:55-08:20

2 stops44h 25m

€400
Fastest return journey

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Sun 10/5

10:40-17:35

1 stop11h 55m

Ottawa

Tue 19/5

18:25-23:35

2 stops24h 10m

€402

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Mon 11/5

10:40-00:20

1 stop18h 40m

Ottawa

Mon 25/5

06:55-10:45

1 stop22h 50m

€403

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Sun 10/5

10:40-00:20

1 stop18h 40m

Ottawa

Mon 25/5

06:55-09:20

1 stop21h 25m

€404

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Thu 18/6

10:00-00:20

2 stops19h 20m

Ottawa

Wed 1/7

06:55-09:20

1 stop21h 25m

€422

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Tue 12/5

10:40-17:35

1 stop11h 55m

Ottawa

Tue 19/5

18:25-23:35

2 stops24h 10m

€440

CorkOttawa

ORK - YOW

ORKYOW

Cork

Tue 9/6

15:25-15:00

1 stop28h 35m

Ottawa

Tue 16/6

17:25-14:40

1 stop16h 15m

€638

CorkOttawa

ORK - YOW

ORKYOW

Cork

Mon 8/6

17:10-15:00

2 stops26h 50m

Ottawa

Mon 15/6

17:25-16:35

2 stops18h 10m

€669

CorkOttawa

ORK - YOW

ORKYOW

Cork

Mon 8/6

15:25-15:00

1 stop28h 35m

Ottawa

Mon 15/6

17:25-14:40

1 stop16h 15m

€719

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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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 February. Flight prices, which tend to average around €488, 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 March instead. Flights to Ottawa in March, while not as cheap as those in February, still average around €518.

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 DUBLINFebruary19% cheaperFlying from Dublin to Ottawa costs on average just €488 in February
MOST EXPENSIVE MONTH TO FLY TO OTTAWA FROM DUBLINAugust18% more expensiveIt costs about €710 for flights to Ottawa from Dublin in August
MOST POPULAR MONTH TO FLY TO OTTAWA FROM DUBLINDecember583% 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

€178

Best Round-Trip Price

€397

Fastest flight time

17h 00m

Popular in

August
The best one-way flight price to Ottawa from Ireland in the last 72 hours is €178 (Dublin to Ottawa).
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The best round-trip flight price to Ottawa from Ireland in the last 72 hours is €397 (Dublin to Ottawa).
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The fastest flight to Ottawa from Ireland takes 17h 00m (Cork to Ottawa).
Search Deals
August has the highest demand for flights to Ottawa, with a 6% 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 €157. 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 April 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
Dublin to Ottawa Flightsfrom €518
Cork to Ottawa Flightsfrom €798