Which airport is the most popular layover for flights between Ottawa and Porto?

Toronto (YYZ) was the most common stop: 75% of momondo users choosing one-stop flights on this route connected there.

Which layover airport offers the lowest fares from Ottawa to Porto?

Flights via Montreal (YUL) offer the lowest average round-trip price of C$ 971.

Which layover airport has the shortest connection time from Ottawa to Porto?

Toronto (YYZ) has the shortest average layover time for this route: 3h 06m.

Which layover airport has the shortest travel time from Ottawa to Porto?

Flights connecting via Toronto (YYZ) have the shortest average one-way travel time: 11h 15m.

Which airlines fly to Porto?

Air Transat, Air Canada and Porter Airlines are the top three most popular airlines that fly to Porto from Ottawa according to our data. Air Transat is the first choice among our users, with 60% of people opting to fly with this airline when travelling to Porto. Keep in mind that there are 8 different airlines that fly to Porto on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Ottawa Airport to Porto Airport?

Prices for flights from Ottawa Airport to Porto Airport are updated daily.

How many operators does momondo search for flights from Ottawa Airport to Porto Airport?

As of August 2026, there are 4 operators available to choose from for flights from Ottawa Airport to Porto Airport.

How old do you have to be to fly from Ottawa Airport to Porto 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 layovers. It is recommended that you verify with the airline you are booking with for travel from Ottawa Airport to Porto Airport.

What documentation or ID do you need to fly to Porto Airport?

The required travel and health documents for your Porto Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Porto Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

C$ 418 Cheap Flights from Ottawa to Porto in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ottawa to Porto

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:00 p.m. - 7:00 a.m.YOW Ottawa-OPO Porto

12h 00m2 stops Toronto Island Montreal Pierre Elliott Trudeau Intl

11:20 a.m. - 7:45 p.m.OPO Porto-YOW Ottawa

13h 25m1 stop Montreal Pierre Elliott Trudeau Intl

C$ 721Multiple Airlines

Mon, 28 Sep - Wed, 7 Oct

3:10 p.m. - 7:00 a.m.YOW Ottawa-OPO Porto

10h 50m1 stop Montreal Pierre Elliott Trudeau Intl

11:20 a.m. - 10:10 p.m.OPO Porto-YOW Ottawa

15h 50m1 stop Montreal Pierre Elliott Trudeau Intl

C$ 729Multiple Airlines

Mon, 28 Sep - Wed, 7 Oct

11:10 a.m. - 7:00 a.m.YOW Ottawa-OPO Porto

14h 50m1 stop Montreal Pierre Elliott Trudeau Intl

11:20 a.m. - 10:33 a.m.OPO Porto-YOW Ottawa

28h 13m1 stop Montreal Pierre Elliott Trudeau Intl

C$ 742Air Canada

Mon, 28 Sep - Wed, 7 Oct

9:25 p.m. - 7:00 a.m.YOW Ottawa-OPO Porto

28h 35m1 stop Montreal Pierre Elliott Trudeau Intl

11:15 a.m. - 11:17 a.m.OPO Porto-YOW Ottawa

29h 02m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Island

C$ 742Air Canada

Tue, 6 Oct - Tue, 20 Oct

6:00 a.m. - 9:45 a.m.YOW Ottawa-OPO Porto

22h 45m2 stops Washington, D.C. Dulles Intl Newark

6:00 a.m. - 11:54 p.m.OPO Porto-YOW Ottawa

22h 54m2 stops Frankfurt am Main Washington, D.C. Dulles Intl

C$ 827United Airlines

Tue, 15 Sep - Wed, 30 Sep

5:57 p.m. - 9:45 a.m.YOW Ottawa-OPO Porto

10h 48m1 stop Newark

6:00 a.m. - 9:56 a.m.OPO Porto-YOW Ottawa

32h 56m2 stops Frankfurt am Main Washington, D.C. Dulles Intl

C$ 827United Airlines

Tue, 15 Sep - Wed, 30 Sep

4:00 p.m. - 11:55 a.m.YOW Ottawa-OPO Porto

14h 55m1 stop Toronto Pearson Intl

1:30 p.m. - 12:25 a.m.OPO Porto-YOW Ottawa

15h 55m1 stop Toronto Pearson Intl

C$ 1,194Air Transat

Wed, 30 Sep - Sat, 10 Oct

10:20 a.m. - 7:05 a.m.YOW Ottawa-OPO Porto

15h 45m1 stop Toronto Pearson Intl

8:50 a.m. - 8:13 a.m.OPO Porto-YOW Ottawa

28h 23m1 stop Toronto Pearson Intl

C$ 1,254Porter Airlines

Fri, 6 Nov - Sat, 28 Nov

8:55 p.m. - 11:45 a.m.YOW Ottawa-OPO Porto

9h 50m1 stop Toronto Pearson Intl

8:25 a.m. - 5:35 p.m.OPO Porto-YOW Ottawa

14h 10m1 stop Montreal Pierre Elliott Trudeau Intl

C$ 1,281Air Transat

Sun, 13 Sep - Sun, 4 Oct

8:55 p.m. - 11:45 a.m.YOW Ottawa-OPO Porto

9h 50m1 stop Toronto Pearson Intl

8:25 a.m. - 5:35 p.m.OPO Porto-YOW Ottawa

14h 10m1 stop Montreal Pierre Elliott Trudeau Intl

C$ 1,508Porter Airlines

Sun, 13 Sep - Sun, 4 Oct

Cheap last-minute flights

Enter your travel dates to find the best prices.

12:15 p.m. - 7:00 a.m.YOW Ottawa-OPO Porto

13h 45m2 stops Toronto Island Montreal Pierre Elliott Trudeau Intl

11:20 a.m. - 7:52 p.m.OPO Porto-YOW Ottawa

13h 32m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Island

C$ 861Air Canada

Mon, 24 Aug - Wed, 2 Sep

5:45 p.m. - 7:00 a.m.YOW Ottawa-OPO Porto

8h 15m1 stop Montreal Pierre Elliott Trudeau Intl

11:50 a.m. - 8:51 p.m.OPO Porto-YOW Ottawa

14h 01m1 stop Montreal Pierre Elliott Trudeau Intl

C$ 861Air Canada

Mon, 24 Aug - Thu, 3 Sep

7:30 p.m. - 7:00 a.m.YOW Ottawa-OPO Porto

30h 30m1 stop Montreal Pierre Elliott Trudeau Intl

11:50 a.m. - 7:52 p.m.OPO Porto-YOW Ottawa

13h 02m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Island

C$ 861Air Canada

Sun, 23 Aug - Thu, 3 Sep

9:30 p.m. - 7:00 a.m.YOW Ottawa-OPO Porto

28h 30m1 stop Montreal Pierre Elliott Trudeau Intl

11:50 a.m. - 8:51 p.m.OPO Porto-YOW Ottawa

14h 01m1 stop Montreal Pierre Elliott Trudeau Intl

C$ 863Multiple Airlines

Sun, 23 Aug - Thu, 3 Sep

5:57 p.m. - 9:45 a.m.YOW Ottawa-OPO Porto

10h 48m1 stop Newark

9:00 a.m. - 4:38 p.m.OPO Porto-YOW Ottawa

12h 38m1 stop Newark

C$ 949United Airlines

Mon, 24 Aug - Fri, 4 Sep

3:10 p.m. - 6:15 a.m.YOW Ottawa-OPO Porto

10h 05m1 stop Newark

9:00 a.m. - 4:38 p.m.OPO Porto-YOW Ottawa

12h 38m1 stop Newark

C$ 949United Airlines

Tue, 25 Aug - Fri, 4 Sep

2:15 p.m. - 10:00 a.m.YOW Ottawa-OPO Porto

14h 45m2 stops Montreal Pierre Elliott Trudeau Intl Lisbon Humberto Delgado

6:55 a.m. - 12:40 p.m.OPO Porto-YOW Ottawa

34h 45m1 stop London Gatwick

C$ 1,205Multiple Airlines

Sun, 23 Aug - Sat, 5 Sep

2:15 p.m. - 10:00 a.m.YOW Ottawa-OPO Porto

14h 45m2 stops Montreal Pierre Elliott Trudeau Intl Lisbon Humberto Delgado

6:55 a.m. - 12:40 p.m.OPO Porto-YOW Ottawa

34h 45m1 stop London Gatwick

C$ 1,205Multiple Airlines

Tue, 25 Aug - Sat, 5 Sep

8:55 p.m. - 11:45 a.m.YOW Ottawa-OPO Porto

9h 50m1 stop Toronto Pearson Intl

1:30 p.m. - 8:00 p.m.OPO Porto-YOW Ottawa

11h 30m1 stop Toronto Pearson Intl

C$ 1,792Porter Airlines

Sun, 23 Aug - Sat, 5 Sep

8:40 a.m. - 11:45 a.m.YOW Ottawa-OPO Porto

22h 05m1 stop Toronto Pearson Intl

1:30 p.m. - 8:40 p.m.OPO Porto-YOW Ottawa

12h 10m1 stop Toronto Pearson Intl

C$ 1,820Porter Airlines

Sun, 23 Aug - Fri, 4 Sep

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SWISS flights from Ottawa to Porto

Our best SWISS deals on Ottawa to Porto flight tickets

SWISS

28 Sep

YOW4:00 p.m.Ottawa

34h 55m

2 stops

OPO7:55 a.m.Porto

7 Oct

OPO6:45 p.m.Porto

51h 25m

2 stops

YOW5:10 p.m.Ottawa

C$ 797

SWISS

28 Sep

YOW9:05 a.m.Ottawa

23h 40m

2 stops

OPO1:45 p.m.Porto

7 Oct

OPO6:45 p.m.Porto

51h 25m

2 stops

YOW5:10 p.m.Ottawa

C$ 805

Air Canada flights from Ottawa to Porto

Our best Air Canada deals on Ottawa to Porto flight tickets

Air Canada

27 Sep

YOW9:25 p.m.Ottawa

28h 35m

1 stop

OPO7:00 a.m.Porto

7 Oct

OPO11:20 a.m.Porto

26h 57m

2 stops

YOW9:17 a.m.Ottawa

C$ 742

Air Canada

28 Sep

YOW6:00 a.m.Ottawa

20h 00m

1 stop

OPO7:00 a.m.Porto

8 Oct

OPO11:50 a.m.Porto

15h 02m

2 stops

YOW9:52 p.m.Ottawa

C$ 743

Air Canada

27 Sep

YOW10:10 p.m.Ottawa

27h 50m

2 stops

OPO7:00 a.m.Porto

7 Oct

OPO11:20 a.m.Porto

26h 57m

2 stops

YOW9:17 a.m.Ottawa

C$ 753

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaPorto

YOW Ottawa - OPO Porto

YOWOPO

Ottawa

Mon 28/9

2:00 p.m.-7:00 a.m.

2 stops12h 00m

Porto

Wed 7/10

11:20 a.m.-7:45 p.m.

1 stop13h 25m

C$ 721

OttawaPorto

YOW Ottawa - OPO Porto

YOWOPO

Ottawa

Mon 28/9

3:10 p.m.-7:00 a.m.

1 stop10h 50m

Porto

Wed 7/10

11:20 a.m.-10:10 p.m.

1 stop15h 50m

C$ 729

OttawaPorto

YOW Ottawa - OPO Porto

YOWOPO

Ottawa

Mon 28/9

11:10 a.m.-7:00 a.m.

1 stop14h 50m

Porto

Wed 7/10

11:20 a.m.-10:33 a.m.

1 stop28h 13m

C$ 742

OttawaPorto

YOW Ottawa - OPO Porto

YOWOPO

Ottawa

Tue 6/10

9:25 p.m.-7:00 a.m.

1 stop28h 35m

Porto

Tue 20/10

11:15 a.m.-11:17 a.m.

2 stops29h 02m

C$ 742

OttawaPorto

YOW Ottawa - OPO Porto

YOWOPO

Ottawa

Tue 15/9

6:00 a.m.-9:45 a.m.

2 stops22h 45m

Porto

Wed 30/9

6:00 a.m.-11:54 p.m.

2 stops22h 54m

C$ 827

OttawaPorto

YOW Ottawa - OPO Porto

YOWOPO

Ottawa

Tue 15/9

5:57 p.m.-9:45 a.m.

1 stop10h 48m

Porto

Wed 30/9

6:00 a.m.-9:56 a.m.

2 stops32h 56m

C$ 827

OttawaPorto

YOW Ottawa - OPO Porto

YOWOPO

Ottawa

Wed 30/9

4:00 p.m.-11:55 a.m.

1 stop14h 55m

Porto

Sat 10/10

1:30 p.m.-12:25 a.m.

1 stop15h 55m

C$ 1,194

OttawaPorto

YOW Ottawa - OPO Porto

YOWOPO

Ottawa

Fri 6/11

10:20 a.m.-7:05 a.m.

1 stop15h 45m

Porto

Sat 28/11

8:50 a.m.-8:13 a.m.

1 stop28h 23m

C$ 1,254

Quickest round-trip

OttawaPorto

YOW Ottawa - OPO Porto

YOWOPO

Ottawa

Sun 13/9

8:55 p.m.-11:45 a.m.

1 stop9h 50m

Porto

Sun 4/10

8:25 a.m.-5:35 p.m.

1 stop14h 10m

C$ 1,281

OttawaPorto

YOW Ottawa - OPO Porto

YOWOPO

Ottawa

Sun 13/9

8:55 p.m.-11:45 a.m.

1 stop9h 50m

Porto

Sun 4/10

8:25 a.m.-5:35 p.m.

1 stop14h 10m

C$ 1,508

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ottawa to Porto

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

What is the typical price of a round-trip flight between Ottawa and Porto?

Prices are currently low for flights on this route.

Typical prices usually range from C$ 809 to C$ 1,102.
The lowest price recently found on this route was C$ 721.

What is the cheapest month to fly to Porto?

In general, September is the cheapest month to fly from Ottawa to Porto. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 892. If you’re not able to fly to Porto in September, then October is your next best option. Flight prices from Ottawa to Porto during October average around C$ 904.

When to book flights from Ottawa to Porto

Are you open to changing your travel dates? Check out the ideal times to fly from Ottawa to Porto according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Ottawa to Porto (YOW to OPO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ottawa to Porto

Best price found	C$ 418
Fastest flight time	10h 44m
Direct flights	None

The best one-way flight to Porto from Ottawa in the past 72 hours is C$ 418. The best round-trip flight deal from Ottawa to Porto found on momondo in the last 72 hours is C$ 721.

The fastest flight from Ottawa to Porto takes 10h 44m

There are no direct flights from Ottawa to Porto. There are no popular flight routes from Ottawa to Porto.

Search flight deals

Frequently asked questions about flying from Ottawa to Porto

How far is Ottawa to Porto by plane?
Porto is 5286.0 km away from Ottawa. Typically, this will take 10h 44m by plane in normal conditions.
When did momondo last update prices for flights from Ottawa Airport to Porto Airport?
Prices for flights from Ottawa Airport to Porto Airport are updated daily.
How many operators does momondo search for flights from Ottawa Airport to Porto Airport?
As of August 2026, there are 4 operators available to choose from for flights from Ottawa Airport to Porto Airport.
How old do you have to be to fly from Ottawa Airport to Porto 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 layovers. It is recommended that you verify with the airline you are booking with for travel from Ottawa Airport to Porto Airport.
What documentation or ID do you need to fly to Porto Airport?
The required travel and health documents for your Porto Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Porto Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Ottawa to Porto?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Ottawa to Porto is Air Canada (35% of total bookings). The next most popular airlines are Air Transat (34%), Porter Airlines (19%), and United Airlines (12%).

Best airlines flying from Ottawa to Porto

Compare and see reviews for airlines that fly from Ottawa to Porto with momondo

Airline	Rating	Free Cancellation	Price
Air Transat	PriceFrom C$ 716	Free Cancellation	Rating 7.8 573 reviews	Search Air Transat flights
Air Canada	PriceFrom C$ 810	Free Cancellation	Rating 7.1 11,514 reviews	Search Air Canada flights
Porter Airlines	PriceFrom C$ 886	Free Cancellation	Rating 8.0 457 reviews	Search Porter Airlines flights
United Airlines	PriceFrom C$ 942	Free Cancellation	Rating 7.4 10,109 reviews	Search United Airlines flights

Vila Nova de Gaia

Braga

Guimarães

Coimbra

Pinhao

Aveiro

Ponte de Lima

Lamego

Matosinhos

Espinho

Mira

Caminha

Why use momondo?

Why should I use momondo to find a flight deal from Ottawa to Porto?

Finding the right flight to Porto from Ottawa is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Porto quick and easy, saving you time and money.

Can I find flights from Ottawa to Porto with flexible booking policies on momondo?

momondo does allow users to show only those flights to Porto from Ottawa which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Ottawa to Porto?

momondo helps you find the best flight between Ottawa and Porto by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Ottawa to Porto right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Ottawa to Porto flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Porto trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Airports servicing Portugal

Faro Airport

Lisbon Humberto Delgado Airport

Azores Airport

Madeira Airport

Algarve Airport

Cheap flights from Ottawa to Porto from C$ 418

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ottawa to Porto departing on 25/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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SWISS flights from Ottawa to Porto

Our best SWISS deals on Ottawa to Porto flight tickets

Air Canada flights from Ottawa to Porto

Our best Air Canada deals on Ottawa to Porto flight tickets

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How to get the cheapest flight ticket from Ottawa to Porto

What is the typical price of a round-trip flight between Ottawa and Porto?

What is the cheapest month to fly to Porto?

Which airlines fly to Porto?

Which airport is the most popular layover for flights between Ottawa and Porto?

Which layover airport offers the lowest fares from Ottawa to Porto?

Which layover airport has the shortest travel time from Ottawa to Porto?

Which layover airport has the shortest connection time from Ottawa to Porto?

When to book flights from Ottawa to Porto

Cheap Ottawa to Porto (YOW to OPO) flight deals and tips

Best price found

Fastest flight time

Direct flights

Frequently asked questions about flying from Ottawa to Porto

Best airlines flying from Ottawa to Porto

Compare and see reviews for airlines that fly from Ottawa to Porto with momondo

Travelling to a place near Porto?

Why use momondo?

An easier way to manage your Porto trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Portugal

Airports servicing Portugal

Fly your favourite airline to Porto

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Porto

List of cabin classes available on flights landing in Porto. Availability may vary depending on flight origin and airline.

Popular Cities in Portugal

Popular flights according to clicks in the last 7 days on momondo

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According to popular flight searches on momondo this year

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