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Cheap flights from Portugal to Ottawa from C$ 383

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/4. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — YOW
16 Apr — 23 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portugal to Ottawa

Enter your travel dates to find the best prices.

Cheapest flights from Portugal to Ottawa
Explore the most affordable flight options available from Portugal to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 March 2026.

Thu 4/66:00 a.m.
OPO
-
YOW
2 stops32h 41m
Air Canada
Mon 8/69:05 a.m.
YOW
-
OPO
1 stop16h 55m
Air Canada
Deal found 14/3C$ 768
Thu 16/411:25 a.m.
LIS
-
YOW
1 stop15h 51m
Multiple Airlines
Mon 20/48:25 p.m.
YOW
-
LIS
2 stops44h 45m
Multiple Airlines
Deal found 15/3C$ 776
Thu 16/45:35 a.m.
LIS
-
YOW
1 stop14h 20m
Air France
Mon 20/45:10 p.m.
YOW
-
LIS
1 stop19h 40m
Air France
Deal found 15/3C$ 802
Thu 16/46:15 a.m.
LIS
-
YOW
2 stops21h 01m
Air Canada
Mon 20/45:45 a.m.
YOW
-
LIS
1 stop22h 35m
Air Canada
Deal found 13/3C$ 805
Sat 24/109:50 a.m.
LIS
-
YOW
2 stops19h 30m
Air France
Sun 8/115:20 p.m.
YOW
-
LIS
1 stop16h 50m
Air France
Deal found 15/3C$ 820
Mon 8/611:35 a.m.
LIS
-
YOW
1 stop32h 20m
Air Transat
Fri 12/62:15 p.m.
YOW
-
LIS
1 stop11h 15m
Air Transat
Deal found 14/3C$ 845
Mon 10/811:35 a.m.
LIS
-
YOW
1 stop17h 50m
Air Transat
Tue 25/82:15 p.m.
YOW
-
LIS
1 stop11h 15m
Air Transat
Deal found 16/3C$ 850
Thu 2/45:55 a.m.
OPO
-
YOW
1 stop14h 05m
KLM
Thu 9/45:05 p.m.
YOW
-
OPO
2 stops17h 25m
KLM
Deal found 17/3C$ 858
Thu 26/312:35 p.m.
OPO
-
YOW
1 stop28h 57m
United Airlines
Mon 30/35:50 p.m.
YOW
-
OPO
1 stop10h 55m
United Airlines
Deal found 13/3C$ 869
Wed 12/82:25 p.m.
OPO
-
YOW
1 stop10h 20m
Air Canada
Tue 25/82:35 p.m.
YOW
-
OPO
1 stop11h 25m
Air Canada
Deal found 16/3C$ 871

Find flight deals from Portugal to Ottawa

Keep the following information in mind while searching for Portugal to Ottawa flight deals. Data was last updated 17 March 2026.

Round-trip from

C$ 768

One-way from

C$ 383

Popular in

January

Cheapest in

December
Air Canada
  • Air Canada
  • 4/6-8/6
  • 4 total stops
  • 44h 41m total
  • Portugal to Ottawa
Search Deals
28/4
  • 28/4
  • 3 total stops
  • 46h 50m total
  • Portugal to Ottawa
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 226 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 77 potential savings vs. average RT price).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portugal to Ottawa 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, Cheapflights users made 629,999 searches. Data last updated 17 March 2026.
Use the filters below to find and compare flights from Portugal to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortoOttawa

OPO - YOW

OPOYOW

Porto

Thu 4/6

6:00 a.m.-9:41 a.m.

2 stops32h 41m

Ottawa

Mon 8/6

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

2 stops12h 00m

C$ 768

LisbonOttawa

LIS - YOW

LISYOW

Lisbon Humberto Delgado

Thu 16/4

5:35 a.m.-2:55 p.m.

1 stop14h 20m

Ottawa

Mon 20/4

5:10 p.m.-5:50 p.m.

1 stop19h 40m

C$ 802

PortoOttawa

OPO - YOW

OPOYOW

Porto

Thu 2/4

5:55 a.m.-3:00 p.m.

1 stop14h 05m

Ottawa

Thu 9/4

5:05 p.m.-3:25 p.m.

1 stop17h 20m

C$ 808

LisbonOttawa

LIS - YOW

LISYOW

Lisbon Humberto Delgado

Thu 16/4

7:25 a.m.-11:06 p.m.

2 stops20h 41m

Ottawa

Mon 20/4

10:15 a.m.-11:00 a.m.

1 stop19h 45m

C$ 816

LisbonOttawa

LIS - YOW

LISYOW

Lisbon Humberto Delgado

Thu 16/4

5:00 a.m.-2:55 p.m.

2 stops14h 55m

Ottawa

Mon 20/4

5:10 p.m.-8:50 a.m.

1 stop10h 40m

C$ 852

LisbonOttawa

LIS - YOW

LISYOW

Lisbon Humberto Delgado

Tue 11/8

8:15 a.m.-5:35 p.m.

1 stop14h 20m

Ottawa

Sun 23/8

2:15 p.m.-6:30 a.m.

1 stop11h 15m

C$ 868

LisbonOttawa

LIS - YOW

LISYOW

Lisbon Humberto Delgado

Mon 10/8

11:35 a.m.-12:25 a.m.

1 stop17h 50m

Ottawa

Sun 23/8

2:15 p.m.-6:30 a.m.

1 stop11h 15m

C$ 875

LisbonOttawa

LIS - YOW

LISYOW

Lisbon Humberto Delgado

Tue 11/8

8:15 a.m.-5:35 p.m.

1 stop14h 20m

Ottawa

Mon 24/8

4:00 p.m.-9:35 a.m.

1 stop12h 35m

C$ 875

LisbonOttawa

LIS - YOW

LISYOW

Lisbon Humberto Delgado

Thu 16/4

12:20 p.m.-10:05 p.m.

2 stops14h 45m

Ottawa

Mon 20/4

5:50 p.m.-8:20 a.m.

1 stop9h 30m

C$ 876

LisbonOttawa

LIS - YOW

LISYOW

Lisbon Humberto Delgado

Mon 10/8

11:35 a.m.-12:25 a.m.

1 stop17h 50m

Ottawa

Wed 26/8

8:55 p.m.-9:35 a.m.

1 stop31h 40m

C$ 882

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/3

Showing 1-10 of 22 resultsSorted by cheapest first
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Best time to book a flight from Portugal to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from Portugal with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portugal to Ottawa

What is the cheapest month to book a flight from Portugal to Ottawa?

Currently, May is the cheapest month in which you can book a flight from Portugal to Ottawa (average of C$ 435). Flying from Portugal to Ottawa in August is currently the most expensive (average of C$ 690). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How often are flights from Portugal to Ottawa delayed?

About 100% of weekly flights between Portugal and Ottawa have experienced delays in the past year, with the average delay time being 148 minutes.

What is the most punctual flight time for Portugal to Ottawa flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Monday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.

Related info for your journey

Find useful and relevant information for your journey from Portugal to Ottawa. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Ottawa from Portugal?

    Ottawa (YOW), located 10.6 km from the city centre, is the airport you fly into when you book flights from Portugal to Ottawa.

  • How long is the flight from Portugal to Ottawa?

    A quick flight from Portugal to Ottawa can take about 14h 05m. Air Canada provides one of the quickest options available for as low as C$ 808. There are 5279 km between Portugal and Ottawa. This flight may include one or multiple stops.

  • Can I find deals for flights from Portugal to Ottawa that include hotel bookings?

    Yes. In addition to deals on Portugal to Ottawa flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portugal to Ottawa?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portugal to Ottawa.

  • Can I find deals for business class flights from Portugal to Ottawa?

    Yes. Cheapflights offers flight deals from Portugal to Ottawa by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portugal to Ottawa?

    Currently, May is the cheapest month in which you can book a flight from Portugal to Ottawa (average of C$ 435). Flying from Portugal to Ottawa in August is currently the most expensive (average of C$ 690). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Brockville
Perth
Wakefield
Pembroke
Smiths Falls

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Fly with Cheapflights

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How does Cheapflights help users find flights from Portugal to Ottawa?

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Why should you use Cheapflights to find cheap flight tickets from Portugal to Ottawa?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Portugal to Ottawa for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Portugal to Ottawa with no change fees?

Need flexible booking options for your flight to Ottawa from Portugal? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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