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Flights to Ottawa

€241 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 26/9. 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.
WestJet Logo
10:40 - 00:20
DUB
-
YOW
18h 40m
1 stop
WestJet Logo
18:25 - 09:20
YOW
-
DUB
9h 55m
1 stop
€445WestJet
Fri, 28 Aug - Thu, 10 Sep
WestJet Logo
09:40 - 00:20
DUB
-
YOW
19h 40m
2 stops
WestJet Logo
06:55 - 10:55
YOW
-
DUB
23h 00m
1 stop
€448WestJet
Sat, 22 Aug - Fri, 4 Sep
WestJet Logo
09:40 - 00:20
DUB
-
YOW
19h 40m
2 stops
WestJet Logo
18:25 - 08:20
YOW
-
DUB
32h 55m
2 stops
€461WestJet
Thu, 20 Aug - Thu, 27 Aug
WestJet Logo
09:40 - 17:35
DUB
-
YOW
12h 55m
2 stops
WestJet Logo
18:25 - 08:20
YOW
-
DUB
32h 55m
2 stops
€478WestJet
Mon, 24 Aug - Mon, 7 Sep
Multiple Airlines Logo
12:15 - 12:54
DUB
-
YOW
29h 39m
1 stop
Multiple Airlines Logo
18:25 - 08:20
YOW
-
DUB
32h 55m
2 stops
€487Multiple Airlines
Fri, 14 Aug - Thu, 27 Aug
Multiple Airlines Logo
10:40 - 00:20
DUB
-
YOW
18h 40m
1 stop
Multiple Airlines Logo
06:55 - 19:10
YOW
-
DUB
31h 15m
3 stops
€510Multiple Airlines
Fri, 28 Aug - Thu, 10 Sep
Air Canada Logo
11:25 - 08:28
ORK
-
YOW
50h 03m
2 stops
Air Canada Logo
18:55 - 10:45
YOW
-
ORK
10h 50m
1 stop
€793Air Canada
Thu, 27 Aug - Mon, 31 Aug
Air Canada Logo
11:25 - 08:28
ORK
-
YOW
50h 03m
2 stops
Air Canada Logo
18:55 - 10:45
YOW
-
ORK
10h 50m
1 stop
€794Air Canada
Thu, 27 Aug - Mon, 31 Aug
KLM Logo
09:20 - 15:00
ORK
-
YOW
10h 40m
1 stop
KLM Logo
17:10 - 14:40
YOW
-
ORK
16h 30m
1 stop
€904KLM
Sat, 18 Jul - Wed, 22 Jul
KLM Logo
06:15 - 15:00
ORK
-
YOW
13h 45m
2 stops
KLM Logo
18:25 - 16:45
YOW
-
ORK
17h 20m
2 stops
€1,008KLM
Sat, 18 Jul - Wed, 22 Jul

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 4 July 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

Fri 28/8

10:40-00:20

1 stop18h 40m

Ottawa

Thu 10/9

18:25-09:20

1 stop9h 55m

€445

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Sat 22/8

09:40-00:20

2 stops19h 40m

Ottawa

Fri 4/9

06:55-10:55

1 stop23h 00m

€448

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Thu 20/8

09:40-00:20

2 stops19h 40m

Ottawa

Thu 27/8

18:25-08:20

2 stops32h 55m

€461

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Mon 24/8

09:40-17:35

2 stops12h 55m

Ottawa

Mon 7/9

18:25-08:20

2 stops32h 55m

€478

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Fri 14/8

12:15-12:54

1 stop29h 39m

Ottawa

Thu 27/8

18:25-08:20

2 stops32h 55m

€487

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Fri 28/8

10:40-00:20

1 stop18h 40m

Ottawa

Thu 10/9

06:55-19:10

3 stops31h 15m

€510

CorkOttawa

ORK - YOW

ORKYOW

Cork

Thu 27/8

11:25-08:28

2 stops50h 03m

Ottawa

Mon 31/8

18:55-10:45

1 stop10h 50m

€793

CorkOttawa

ORK - YOW

ORKYOW

Cork

Thu 27/8

11:25-08:28

2 stops50h 03m

Ottawa

Mon 31/8

18:55-10:45

1 stop10h 50m

€794
Fastest return journey

CorkOttawa

ORK - YOW

ORKYOW

Cork

Sat 18/7

09:20-15:00

1 stop10h 40m

Ottawa

Wed 22/7

17:10-14:40

1 stop16h 30m

€904

CorkOttawa

ORK - YOW

ORKYOW

Cork

Sat 18/7

06:15-15:00

2 stops13h 45m

Ottawa

Wed 22/7

18:25-16:45

2 stops17h 20m

€1,008

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 €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 March, then book flights to Ottawa from Ireland during February instead. Flights to Ottawa in February, while not as cheap as those in March, still average around €501.

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 DUBLINMarch25% cheaperFlying from Dublin to Ottawa costs on average just €488 in March
MOST EXPENSIVE MONTH TO FLY TO OTTAWA FROM DUBLINAugust33% more expensiveIt costs about €865 for flights to Ottawa from Dublin in August
MOST POPULAR MONTH TO FLY TO OTTAWA FROM DUBLINDecember633% 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

€241

Best Round-Trip Price

€445

Fastest flight time

15h 20m

Popular in

August
The best one-way flight price to Ottawa from Ireland in the last 5 days is €241 (Dublin to Ottawa).
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The best round-trip flight price to Ottawa from Ireland in the last 5 days is €445 (Dublin to Ottawa).
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The fastest flight to Ottawa from Ireland takes 15h 20m (Dublin to Ottawa).
Search Deals
August has the highest demand for flights to Ottawa, with a 9% 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 €283. 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 July 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 €530
Cork to Ottawa Flightsfrom €907