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355 € Cheap Flights from Dublin to Ottawa

Compare Dublin to Ottawa flight deals

Find the cheapest month or even day of the year to fly to Ottawa

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Flight deals from Dublin to Ottawa

Looking for a cheap last-minute deal or the best return flight from Dublin to Ottawa? Find the lowest prices on one-way and return tickets right here.
Ottawa.355 € per passenger.Departing Thu, 23 Apr, returning Wed, 29 Apr.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Dublin on Thu, 23 Apr, arriving in Ottawa International.Inbound indirect flight with WestJet, departs from Ottawa International on Wed, 29 Apr, arriving in Dublin.Price includes taxes and charges.From 355 €, select.
Ottawa.357 € per passenger.Departing Thu, 23 Apr, returning Fri, 3 Jul.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Dublin on Thu, 23 Apr, arriving in Ottawa International.Inbound indirect flight with WestJet, departs from Ottawa International on Fri, 3 Jul, arriving in Dublin.Price includes taxes and charges.From 357 €, select.
Ottawa.359 € per passenger.Departing Mon, 4 May, returning Sat, 9 May.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Dublin on Mon, 4 May, arriving in Ottawa International.Inbound indirect flight with WestJet, departs from Ottawa International on Sat, 9 May, arriving in Dublin.Price includes taxes and charges.From 359 €, select.
Ottawa.360 € per passenger.Departing Wed, 3 Jun, returning Fri, 12 Jun.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Dublin on Wed, 3 Jun, arriving in Ottawa International.Inbound indirect flight with WestJet, departs from Ottawa International on Fri, 12 Jun, arriving in Dublin.Price includes taxes and charges.From 360 €, select.
Ottawa.361 € per passenger.Departing Thu, 28 May, returning Wed, 3 Jun.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Dublin on Thu, 28 May, arriving in Ottawa International.Inbound indirect flight with WestJet, departs from Ottawa International on Wed, 3 Jun, arriving in Dublin.Price includes taxes and charges.From 361 €, select.
Ottawa.385 € per passenger.Departing Sat, 18 Apr, returning Sun, 10 May.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Dublin on Sat, 18 Apr, arriving in Ottawa International.Inbound indirect flight with WestJet, departs from Ottawa International on Sun, 10 May, arriving in Dublin.Price includes taxes and charges.From 385 €, select.
Ottawa.401 € per passenger.Departing Thu, 5 Mar, returning Fri, 20 Mar.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Dublin on Thu, 5 Mar, arriving in Ottawa International.Inbound indirect flight with WestJet, departs from Ottawa International on Fri, 20 Mar, arriving in Dublin.Price includes taxes and charges.From 401 €, select.
Ottawa.437 € per passenger.Departing Sun, 9 Aug, returning Wed, 19 Aug.Return flight with Air Transat.Outbound indirect flight with Air Transat, departs from Dublin on Sun, 9 Aug, arriving in Ottawa International.Inbound indirect flight with Air Transat, departs from Ottawa International on Wed, 19 Aug, arriving in Dublin.Price includes taxes and charges.From 437 €, select.

Find the cheapest month to fly from Dublin to Ottawa

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Dublin to Ottawa flights are currently cheapest in April.
Feb
from 557 €
Mar
from 401 €
Apr
from 355 €
May
from 359 €
Jun
from 360 €
Jul
from 450 €
Aug
from 437 €
Sep
from 449 €
Oct
from 555 €
Nov
Find prices
Dec
from 568 €
Jan
from 520 €

Alternative Dublin to Ottawa routes

Looking for the cheapest, fastest or easiest route from Dublin to Ottawa? You could fly into the following airports instead.

Ottawa International

11km from central Ottawa
ClosestCheapest
from 355 €
Search flights

Ottawa Gatineau

15km from central Ottawa
Search flights

Dublin to Ottawa: Flight information

The things to know before you go.
Cheapest flight found355 €
Cheapest month to flyApril

Finding cheap flights from Dublin to Ottawa: Frequently asked questions

There are 2 airports in Ottawa: Ottawa International and Ottawa Gatineau.
The best price we found for a return flight from Dublin to Ottawa is 355 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Dublin to Ottawa. But we found flights with one or more stops from 355 €.
As of February 2026, there are no flights flying from Dublin to Ottawa.
The cheapest month to fly from Dublin to Ottawa is usually April.
If you're flying from Dublin Airport, the cheapest airport near Ottawa is Ottawa International – which is 11.2 km away from the centre of Ottawa. We've found flights into this airport from 355 €.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Dublin Airport to Ottawa on Thursday, 23 April 2026.
No airlines currently offer direct flights between Dublin Airport and Ottawa. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Ottawa but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Ottawa is around 40 days in advance, so don’t leave your flight to the last minute.
In February, the average temperature is usually around -10°C. July is typically the warmest month in Ottawa, when it usually averages around 25°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging -16°C. The rainiest month is June.
Currently, WestJet offers the cheapest flight tickets to Ottawa.

Travelling from Dublin Airport (DUB) to Ottawa: what you need to know

  • Dublin Airport is located in Dublin. Following the UTC-4 timezone, Ottawa is four hours behind Dublin.

  • Give yourself enough time to get on your DUB to Ottawa flight. As a general rule, arrive two hours before international departures and an hour ahead for domestic flights.

  • Taking off during a peak period like a bank holiday? Expect longer lines at security and check-in. To play it safe, arrive up to four hours before international flights and two hours ahead of domestic departures.

  • Think about adding a stopover to potentially score a cheaper plane ticket from DUB to Ottawa. Simply uncheck 'Direct flights only' during your search. Take a detour (and maybe pocket some savings) by stopping at one of these connection hubs:

    • Pearson International Airport (YYZ)

    • Montreal-Pierre Elliott Trudeau International Airport (YUL)

    • Halifax Stanfield International Airport (YHZ)

  • Located around 8 kilometres from central Dublin, DUB can be reached in about 30 minutes by car (depending on traffic). The journey on public transport takes roughly 2 hours 10 minutes.

  • Want a stress-free start to your trip? Stay near DUB. Whether you're catching an early flight from Dublin Airport to Ottawa or want to avoid feeling rushed, these hotels are a convenient choice:

  • 72.87% of flights that leave from Dublin Airport make it to their destination on schedule.

How to find the cheapest flights from Dublin Airport (DUB) to Ottawa

  • The best price we've found for a one-way Dublin Airport to Ottawa flight is 145 €. The cheapest price for a return flight is 355 €. Remember fares can change due to availability at the time of booking.

  • To find cheap flights from DUB to Ottawa, book as early as you can. Airlines typically offer the most competitive fares when flights are first released.

  • If you're willing to be flexible with your travel dates, take advantage of the 'Whole month' search tool. It'll find the cheapest price across each month when searching for your Dublin Airport to Ottawa ticket.

  • Locking in a cheap flight from DUB to Ottawa is easy with Price Alerts. All you need to do is create one of these automatic notifications and we'll let you know when a deal gets even better.

  • Snag an affordable flight from Dublin Airport to Ottawa with the help of our filters. Choose your preferred times, airlines and number of stops, then sort the results by 'Cheapest' to see the best deals.

Airports in Ottawa

Ottawa Gatineau Airport (YND)

  • Ottawa Gatineau Airport (YND) to central Ottawa takes about 20 minutes by car. The centre is roughly 24 kilometres away.

  • Getting to the centre on public transport takes about 1 hour 40 minutes.

  • Touching down on a late flight from Dublin Airport to Ottawa? Grab your luggage and head for the comfort of a nearby hotel. Two great options close to YND are Meilleure Auberge and Lovely Room 4mins From Gatineau-Ottawa Airport.

  • Venture beyond Ottawa and discover places that usually fly under the radar with your own wheels. You can pick up an Ottawa Gatineau Airport rental car from Hertz.

  • Increase the odds of snagging a great deal by booking early. Reserving your vehicle from Ottawa Gatineau Airport at least a few weeks before your flight from DUB to Ottawa is a good move.

Ottawa/Macdonald-Cartier International Airport (YOW)

  • The centre of Ottawa is around 13 kilometres from Ottawa/Macdonald-Cartier International Airport (YOW). Once your flight from Dublin Airport to Ottawa has landed and you've made your way through the terminal, the drive should take about 20 minutes.

  • You can expect the journey to take roughly 45 minutes on public transport.

  • There are some comfortable places to rest your head close to YOW. Kick back and get cosy after your DUB to Ottawa flight at any of these well-located options:

  • Routes Car Rentals, Alamo and Budget make collecting an Ottawa/Macdonald-Cartier International Airport rental car easy and quick. These providers are located in or around the terminal and will have you behind the wheel before you know it.

  • Get the pick of the lot. Booking your ride from YOW two weeks in advance often means better deals and a wider range of vehicles.

  • You'll find Ottawa/Macdonald-Cartier International Airport at 50 Airport Road.

Best time to go to Ottawa

  • Travel to Ottawa in high season if you like a bustling atmosphere, but remember that prices are usually higher. Alternatively, book flights from Dublin Airport to Ottawa during the off-season when prices are cheaper and it's not as busy.

  • The warmest month in Ottawa is July, with temperatures ranging between 13ºC (55ºF) and 27ºC (81ºF). Lock in your Dublin Airport to Ottawa plane ticket then if that's your definition of good weather.

  • If you'd rather travel in cooler conditions, search for a cheap ticket from DUB to Ottawa in January when temperatures average between -19ºC (-2ºF) and -2ºC (28ºF).

More about Ottawa

  • When it comes to looking for somewhere to lay your head, you'll find the most popular stays in Ottawa right here. Check out these options as soon as you've booked your flight from Dublin Airport to Ottawa:

  • Rideau Canal and Parliament Hill are just the start of the big attractions to put on your Ottawa travel itinerary. Keep the momentum going by heading to National Gallery of Canada.

Explore more of Canada

  • You've seen Ottawa, now it's time to discover other corners of Canada. Journey around 354 kilometres south-west to Toronto to tick off its must-visit sights. From CN Tower to Royal Ontario Museum and Go Tours Canada - Distillery District, you'll have a packed itinerary ahead.

  • If you're looking to explore another great destination in Canada, consider Montreal, about 153 kilometres east of Ottawa. Mount Royal Park, Montreal Botanical Garden and Saint Joseph's Oratory of Mount Royal are the start of reasons to visit.

More travel options

Plan the rest of your trip from Dublin to Ottawa

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.