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Cheap flights from Ottawa to Portugal from C$ 425

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 Portugal departing on 9/1. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:40 a.m. - 7:45 a.m.YOW-LIS
21h 05m2 stops
Multiple Airlines Logo
9:25 a.m. - 12:42 a.m.LIS-YOW
20h 17m2 stops
C$ 683Multiple Airlines
Find Deal
Fri, 9 Jan - Sat, 24 Jan
Multiple Airlines Logo
5:40 a.m. - 6:45 a.m.YOW-LIS
20h 05m1 stop
Multiple Airlines Logo
9:25 a.m. - 12:42 a.m.LIS-YOW
20h 17m2 stops
C$ 694Multiple Airlines
Find Deal
Sat, 10 Jan - Sat, 24 Jan
Air Canada Logo
6:20 p.m. - 8:55 a.m.YOW-LIS
9h 35m1 stop
Air Canada Logo
11:20 a.m. - 7:41 p.m.LIS-YOW
13h 21m2 stops
C$ 724Air Canada
Find Deal
Sat, 10 Jan - Sat, 24 Jan
Air Canada Logo
6:20 p.m. - 8:55 a.m.YOW-LIS
9h 35m1 stop
Air Canada Logo
11:20 a.m. - 7:41 p.m.LIS-YOW
13h 21m2 stops
C$ 727Air Canada
Find Deal
Sat, 10 Jan - Sat, 24 Jan
Air Canada Logo
6:20 p.m. - 8:55 a.m.YOW-LIS
9h 35m1 stop
Air Canada Logo
11:20 a.m. - 4:23 p.m.LIS-YOW
10h 03m1 stop
C$ 729Air Canada
Find Deal
Sat, 10 Jan - Sat, 24 Jan
Porter Airlines Logo
2:20 p.m. - 11:45 a.m.YOW-OPO
16h 25m1 stop
Porter Airlines Logo
1:30 p.m. - 8:01 p.m.OPO-YOW
11h 31m1 stop
C$ 902Porter Airlines
Find Deal
Sun, 10 May - Mon, 18 May
Air Transat Logo
5:05 p.m. - 11:45 a.m.YOW-OPO
13h 40m1 stop
Air Transat Logo
1:30 p.m. - 8:01 p.m.OPO-YOW
11h 31m1 stop
C$ 904Air Transat
Find Deal
Mon, 11 May - Mon, 18 May
Air Transat Logo
11:20 a.m. - 11:45 a.m.YOW-OPO
19h 25m1 stop
Air Transat Logo
1:30 p.m. - 8:01 p.m.OPO-YOW
11h 31m1 stop
C$ 911Air Transat
Find Deal
Sun, 10 May - Thu, 21 May
Aer Lingus Logo
2:05 p.m. - 10:30 a.m.YOW-FAO
15h 25m2 stops
Aer Lingus Logo
7:40 p.m. - 7:34 p.m.FAO-YOW
28h 54m2 stops
C$ 1,012Aer Lingus
Find Deal
Mon, 2 Mar - Tue, 31 Mar
Aer Lingus Logo
10:20 a.m. - 10:30 a.m.YOW-FAO
19h 10m2 stops
Aer Lingus Logo
11:40 a.m. - 7:34 p.m.FAO-YOW
36h 54m2 stops
C$ 1,013Aer Lingus
Find Deal
Mon, 2 Mar - Tue, 31 Mar

Air Canada flights from Ottawa to Portugal

Our best Air Canada deals on Ottawa to Portugal flight tickets
Air Canada
10 Jan
YOW6:20 p.m.Ottawa
9h 35m
1 stop
LIS8:55 a.m.Lisbon Humberto Delgado
24 Jan
LIS11:20 a.m.Lisbon Humberto Delgado
13h 21m
2 stops
YOW7:41 p.m.Ottawa
C$ 724
Find similar
Air Canada
10 Jan
YOW2:05 p.m.Ottawa
13h 50m
2 stops
LIS8:55 a.m.Lisbon Humberto Delgado
24 Jan
LIS11:20 a.m.Lisbon Humberto Delgado
13h 21m
2 stops
YOW7:41 p.m.Ottawa
C$ 729
Find similar
Air Canada
5 Feb
YOW1:55 p.m.Ottawa
13h 00m
2 stops
LIS7:55 a.m.Lisbon Humberto Delgado
17 Feb
LIS11:20 a.m.Lisbon Humberto Delgado
13h 21m
2 stops
YOW7:41 p.m.Ottawa
C$ 760
Find similar

United Airlines flights from Ottawa to Portugal

Our best United Airlines deals on Ottawa to Portugal flight tickets
United Airlines
23 Feb
YOW7:30 p.m.Ottawa
9h 45m
1 stop
LIS10:15 a.m.Lisbon Humberto Delgado
5 Mar
LIS10:15 a.m.Lisbon Humberto Delgado
32h 03m
2 stops
YOW1:18 p.m.Ottawa
C$ 842
Find similar
United Airlines
7 Dec
YOW3:10 p.m.Ottawa
12h 00m
1 stop
LIS8:10 a.m.Lisbon Humberto Delgado
16 Dec
LIS10:15 a.m.Lisbon Humberto Delgado
11h 17m
1 stop
YOW4:32 p.m.Ottawa
C$ 883
Find similar
United Airlines
10 Mar
YOW5:55 p.m.Ottawa
11h 35m
1 stop
OPO9:30 a.m.Porto
20 Mar
OPO12:30 p.m.Porto
54h 00m
2 stops
YOW2:30 p.m.Ottawa
C$ 1,029
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Ottawa to Portugal that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 96,600 searches. Data last updated 26 November 2025.
Use the filters below to find and compare flights from Ottawa to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OttawaLisbon

YOW - LIS

YOWLIS

Ottawa

Fri 9/1

5:40 a.m.-7:45 a.m.

2 stops21h 05m

Lisbon Humberto Delgado

Sat 24/1

9:25 a.m.-12:42 a.m.

2 stops20h 17m

C$ 683

OttawaLisbon

YOW - LIS

YOWLIS

Ottawa

Sat 10/1

5:40 a.m.-6:45 a.m.

1 stop20h 05m

Lisbon Humberto Delgado

Sat 24/1

9:25 a.m.-12:42 a.m.

2 stops20h 17m

C$ 694

OttawaLisbon

YOW - LIS

YOWLIS

Ottawa

Sat 10/1

6:20 p.m.-8:55 a.m.

1 stop9h 35m

Lisbon Humberto Delgado

Sat 24/1

11:20 a.m.-7:41 p.m.

2 stops13h 21m

C$ 724

OttawaLisbon

YOW - LIS

YOWLIS

Ottawa

Sat 10/1

6:20 p.m.-8:55 a.m.

1 stop9h 35m

Lisbon Humberto Delgado

Sat 24/1

11:20 a.m.-7:41 p.m.

2 stops13h 21m

C$ 727

OttawaLisbon

YOW - LIS

YOWLIS

Ottawa

Sat 10/1

6:20 p.m.-8:55 a.m.

1 stop9h 35m

Lisbon Humberto Delgado

Sat 24/1

11:20 a.m.-4:23 p.m.

1 stop10h 03m

C$ 729

OttawaPorto

YOW - OPO

YOWOPO

Ottawa

Sun 10/5

2:20 p.m.-11:45 a.m.

1 stop16h 25m

Porto

Mon 18/5

1:30 p.m.-8:01 p.m.

1 stop11h 31m

C$ 902

OttawaPorto

YOW - OPO

YOWOPO

Ottawa

Mon 11/5

5:05 p.m.-11:45 a.m.

1 stop13h 40m

Porto

Mon 18/5

1:30 p.m.-8:01 p.m.

1 stop11h 31m

C$ 904

OttawaPorto

YOW - OPO

YOWOPO

Ottawa

Sun 10/5

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

1 stop19h 25m

Porto

Thu 21/5

1:30 p.m.-8:01 p.m.

1 stop11h 31m

C$ 911

OttawaFaro

YOW - FAO

YOWFAO

Ottawa

Mon 2/3

2:05 p.m.-10:30 a.m.

2 stops15h 25m

Faro

Tue 31/3

7:40 p.m.-7:34 p.m.

2 stops28h 54m

C$ 1,012

OttawaFaro

YOW - FAO

YOWFAO

Ottawa

Mon 2/3

10:20 a.m.-10:30 a.m.

2 stops19h 10m

Faro

Tue 31/3

11:40 a.m.-7:34 p.m.

2 stops36h 54m

C$ 1,013

Flights are sorted by cheapest round-trip flights first.

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

How to get the cheapest flight ticket from Ottawa to Portugal

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

What is the cheapest month to fly to Portugal?

If you’re not able to fly to Portugal in January, then February is your next best option. Flight prices from Ottawa to Portugal during February average around C$ 907.

What is the cheapest day to depart on your flight to Portugal?

The cheapest day to depart from Ottawa to Portugal is on a Wednesday. Travellers who choose to depart for Portugal on a Wednesday will often find tickets for as low as C$ 1,025. Flights from Ottawa to Portugal on a Friday will generally be more expensive and average around C$ 1,195. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Portugal?

The cheapest time of day to fly to Portugal is in the morning when flights can be purchased for as low as C$ 952. Try not to purchase tickets in the evening because they tend to be around C$ 1,146. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight to Portugal?

You are more likely to see cheaper flights to Portugal from Ottawa when booking weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around C$ 1,013 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portugal from Ottawa for as low as C$ 927 on momondo.

Can stopping save me money on Ottawa to Portugal flights?

You could potentially save up to 45% on your flight if you consider stops on a Ottawa to Portugal flight.

Cheap Ottawa to Portugal flight deals and tips

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

Fastest flight time

8h 35m

Direct flights

None
The fastest flight from Ottawa to Portugal takes 8h 35m
There are no direct flights from Ottawa to Portugal. There are no popular flight routes from Ottawa to Portugal.
Search flight deals

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

    Prices for flights from Ottawa Airport to Portugal are refreshed on a daily basis.

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

  • How old do you have to be to fly from Ottawa Airport to Portugal?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ottawa Airport to Portugal.

  • What documentation or ID do you need to fly to Portugal?

    The travel and health documents required for your trip to Portugal can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Portugal. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Ottawa to Portugal

Compare and see reviews for airlines that fly from Ottawa to Portugal with momondo
Airline
Rating
Free Cancellation
Price
Air FrancePriceFrom C$ 728Free CancellationRating
7.4
1,498 reviews
Search Air France flights
Air CanadaPriceFrom C$ 799Free CancellationRating
7.1
10,481 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 824Free CancellationRating
7.4
9,050 reviews
Search United Airlines flights
Porter AirlinesPriceFrom C$ 861Free CancellationRating
8.0
394 reviews
Search Porter Airlines flights
Air TransatPriceFrom C$ 868Free CancellationRating
7.8
478 reviews
Search Air Transat flights
LufthansaPriceFrom C$ 1,141Free CancellationRating
6.8
7,594 reviews
Search Lufthansa flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ottawa to Portugal. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to Portugal 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 Portugal?

momondo provides multiple filters to help you find the best flight to Portugal from Ottawa. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Portugal from Ottawa are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Portugal trip

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