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Cheap flights from Ottawa to Porto from C$ 540

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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — OPO
27 Nov — 4 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Ottawa to Porto

Enter your travel dates to find the best prices.

Cheapest flights from Ottawa to Porto
Explore the most affordable flight options available from Ottawa to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 October 2025.

Thu 6/116:00 a.m.YOW - OPO
1 stop22h 30mMultiple Airlines
Tue 18/1112:05 p.m.OPO - YOW
2 stops34h 37mMultiple Airlines
Deal found 27/10C$ 898
Tue 4/115:55 p.m.YOW - OPO
1 stop10h 35mUnited Airlines
Tue 11/1112:30 p.m.OPO - YOW
2 stops50h 56mUnited Airlines
Deal found 28/10C$ 1,045
Thu 6/119:45 a.m.YOW - OPO
2 stops18h 45mUnited Airlines
Tue 18/1112:35 p.m.OPO - YOW
2 stops26h 51mUnited Airlines
Deal found 26/10C$ 1,144
Tue 4/1110:50 a.m.YOW - OPO
2 stops21h 35mMultiple Airlines
Tue 11/114:15 p.m.OPO - YOW
2 stops35h 53mMultiple Airlines
Deal found 28/10C$ 1,242
Thu 6/115:55 p.m.YOW - OPO
1 stop10h 35mAir Canada
Tue 18/1112:35 p.m.OPO - YOW
1 stop14h 21mAir Canada
Deal found 26/10C$ 1,394
Sat 27/128:55 p.m.YOW - OPO
2 stops33h 55mMultiple Airlines
Thu 1/16:30 a.m.OPO - YOW
3 stops23h 12mMultiple Airlines
Deal found 26/10C$ 1,660

Cheap flight deals from Ottawa to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to Porto (OPO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 28 October 2025.

Round-trip from

C$ 888

One-way from

C$ 540

Popular in

December

Cheapest in

April

Average price

C$ 933
Air Canada
  • Air Canada
  • 8/2-23/2
  • 4 total stops
  • 74h 53m total
  • Ottawa to Porto
Search Deals
11/12
  • 11/12
  • 2 total stops
  • 34h 25m total
  • Ottawa to Porto
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (C$ 478 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease (C$ 146 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ottawa to Porto 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 28 October 2025.
Use the filters below to find and compare flights from Ottawa to Porto that are best for you.

Fly from

Ottawa

Fly to

Porto

Route

Depart

Return

Price

OttawaPorto

YOW - OPO

YOWOPO

Ottawa

Sun 8/2

8:00 p.m.-12:50 p.m.

2 stops35h 50m

Porto

Mon 23/2

6:15 a.m.-9:42 a.m.

2 stops32h 27m

C$ 888

OttawaPorto

YOW - OPO

YOWOPO

Ottawa

Mon 2/3

5:48 p.m.-9:30 a.m.

1 stop10h 42m

Porto

Mon 9/3

12:35 p.m.-11:43 p.m.

2 stops15h 08m

C$ 915

OttawaPorto

YOW - OPO

YOWOPO

Ottawa

Sun 1/3

3:15 p.m.-9:30 a.m.

1 stop13h 15m

Porto

Mon 9/3

12:35 p.m.-1:26 p.m.

1 stop28h 51m

C$ 915

OttawaPorto

YOW - OPO

YOWOPO

Ottawa

Sun 1/3

5:48 p.m.-9:30 a.m.

1 stop10h 42m

Porto

Mon 9/3

12:35 p.m.-11:43 p.m.

2 stops15h 08m

C$ 915

OttawaPorto

YOW - OPO

YOWOPO

Ottawa

Sun 1/3

5:48 p.m.-9:30 a.m.

1 stop10h 42m

Porto

Sun 8/3

12:35 p.m.-1:26 p.m.

1 stop28h 51m

C$ 926

OttawaPorto

YOW - OPO

YOWOPO

Ottawa

Sun 1/3

6:20 p.m.-11:15 a.m.

2 stops35h 55m

Porto

Sun 8/3

12:35 p.m.-8:18 a.m.

2 stops23h 43m

C$ 929

OttawaPorto

YOW - OPO

YOWOPO

Ottawa

Sun 1/3

5:48 p.m.-9:30 a.m.

1 stop10h 42m

Porto

Sun 8/3

12:35 p.m.-3:23 p.m.

2 stops30h 48m

C$ 934

OttawaPorto

YOW - OPO

YOWOPO

Ottawa

Sat 28/2

5:48 p.m.-9:30 a.m.

1 stop10h 42m

Porto

Mon 9/3

12:35 p.m.-9:56 p.m.

1 stop13h 21m

C$ 997

OttawaPorto

YOW - OPO

YOWOPO

Ottawa

Mon 2/3

3:15 p.m.-9:30 a.m.

1 stop13h 15m

Porto

Sat 7/3

12:35 p.m.-9:56 p.m.

1 stop14h 21m

C$ 1,006

OttawaPorto

YOW - OPO

YOWOPO

Ottawa

Mon 2/3

5:48 p.m.-9:30 a.m.

1 stop10h 42m

Porto

Sun 8/3

12:35 p.m.-11:43 p.m.

2 stops15h 08m

C$ 1,006

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/10

Showing 1-10 of 13 results
1
2

Best time to book a flight from Ottawa to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Ottawa 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 Ottawa to Porto

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

Currently, February is the cheapest month in which you can book a flight from Ottawa to Porto (average of C$ 431). Flying from Ottawa to Porto in July is currently the most expensive (average of C$ 820). 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.

What is the cheapest time of day to fly from YOW to OPO?

Find hourly flight availability from Ottawa to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 28 October 2025.

One of the essential ways to save on airfare from Ottawa to Porto is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 19% on airfare.

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Porto. Reviews last updated 28 October 2025.
Check out reviews from past customers who have flown with Porter Airlines,Air Transat, andAir Canada from Ottawa to Porto to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
384 reviews
Check prices

Food

7.6

Crew

8.6

Entertainment

7.0

Comfort

8.0

Boarding

8.2

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
8.0
Very good
384 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Food

7.6

Crew

8.6

Entertainment

7.0

Comfort

8.0

Boarding

8.2

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Transat
7.8
Good
469 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Food

7.6

Crew

8.6

Entertainment

7.0

Comfort

8.0

Boarding

8.2

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Canada
7.1
Good
10,370 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Food

7.6

Crew

8.6

Entertainment

7.0

Comfort

8.0

Boarding

8.2

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

Related info for your journey

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

  • How long is the flight from Ottawa to Porto?

    Air Canada and United Airlines can get you from Ottawa to Porto in just under 10h 42m. Your travel time can differ by up to 25h 08m. There are 5279 km between Ottawa and Porto. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines flying from Ottawa to Porto round-trip?

    Our cheapest airline available from Ottawa to Porto is Air Canada. Our recent data shows that you can find tickets from as low as C$ 861 on this airline. Additional options worth looking into are Porter Airlines and Air Transat, starting at C$ 890 and C$ 907 round-trip. You may be able to fly from Ottawa to Porto for 29% less than the average price by searching for these airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ottawa to Porto 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 Ottawa to Porto?

    Currently, February is the cheapest month in which you can book a flight from Ottawa to Porto (average of C$ 431). Flying from Ottawa to Porto in July is currently the most expensive (average of C$ 820). 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 Porto?

Book flights to Porto if you plan to visit one of these locations
Aveiro
Esposende

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See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Ottawa to Porto

Discover the top 3 airlines that operate flights from Ottawa to Porto. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 28 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 861AverageC$ 1,029FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 890AverageC$ 1,143FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 907AverageC$ 977FlexibilityNo cancel feeOn-time50%
Search Air Transat flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights makes it easy to find Ottawa to Porto flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Porto from Ottawa.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ottawa to Porto, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Ottawa to Porto become cheaper?

Not ready to book yet? You can track prices for flights from Ottawa to Porto on Cheapflights with our Price Alert feature and get notified when better prices are available.

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