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Cheap flights from Ottawa to Porto from C$ 494

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 25/1. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — OPO
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap 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 12 December 2025.

Fri 19/1212:05 p.m.YOW - OPO
2 stops18h 10mMultiple Airlines
Mon 22/129:55 p.m.OPO - YOW
2 stops31h 47mMultiple Airlines
Deal found 9/12C$ 2,277
Fri 19/125:20 p.m.YOW - OPO
1 stop12h 10mKLM
Mon 22/1211:25 a.m.OPO - YOW
1 stop32h 45mKLM
Deal found 9/12C$ 2,997

Find 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 12 December 2025.

Round-trip from

C$ 774

One-way from

C$ 494

Popular in

July

Cheapest in

April

Average price

C$ 1,091
SWISS
  • SWISS
  • 1/2-9/2
  • 4 total stops
  • 71h 28m total
  • Ottawa to Porto
Search Deals
25/1
  • 25/1
  • 2 total stops
  • 34h 25m total
  • Ottawa to Porto
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 206 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 57 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 12 December 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 1/2

7:50 p.m.-12:05 p.m.

2 stops35h 15m

Porto

Mon 9/2

12:05 p.m.-7:18 p.m.

2 stops36h 13m

C$ 774

OttawaPorto

YOW - OPO

YOWOPO

Ottawa

Fri 6/2

4:00 p.m.-12:05 p.m.

2 stops15h 05m

Porto

Fri 13/2

7:20 p.m.-7:18 p.m.

2 stops28h 58m

C$ 797

OttawaPorto

YOW - OPO

YOWOPO

Ottawa

Thu 5/2

10:50 a.m.-11:10 a.m.

2 stops19h 20m

Porto

Sun 15/2

1:45 p.m.-2:07 p.m.

2 stops53h 22m

C$ 804

OttawaPorto

YOW - OPO

YOWOPO

Ottawa

Tue 3/2

5:45 a.m.-11:15 a.m.

2 stops24h 30m

Porto

Thu 12/2

6:00 a.m.-11:08 p.m.

2 stops22h 08m

C$ 805

OttawaPorto

YOW - OPO

YOWOPO

Ottawa

Sat 24/1

10:45 a.m.-6:35 p.m.

2 stops26h 50m

Porto

Tue 3/2

6:00 a.m.-7:18 p.m.

2 stops18h 18m

C$ 805

OttawaPorto

YOW - OPO

YOWOPO

Ottawa

Tue 3/2

5:45 a.m.-11:15 a.m.

2 stops24h 30m

Porto

Wed 11/2

6:00 a.m.-1:38 a.m.

2 stops24h 38m

C$ 805

OttawaPorto

YOW - OPO

YOWOPO

Ottawa

Thu 5/2

10:50 a.m.-11:10 a.m.

2 stops19h 20m

Porto

Wed 11/2

6:00 a.m.-6:38 p.m.

2 stops17h 38m

C$ 805

OttawaPorto

YOW - OPO

YOWOPO

Ottawa

Wed 4/2

10:50 a.m.-1:15 p.m.

2 stops21h 25m

Porto

Sun 15/2

1:45 p.m.-2:07 p.m.

2 stops53h 22m

C$ 810

OttawaPorto

YOW - OPO

YOWOPO

Ottawa

Wed 4/2

2:50 p.m.-1:15 p.m.

2 stops17h 25m

Porto

Thu 12/2

6:00 a.m.-11:08 p.m.

2 stops22h 08m

C$ 811

OttawaPorto

YOW - OPO

YOWOPO

Ottawa

Sat 7/2

4:15 p.m.-12:50 p.m.

2 stops15h 35m

Porto

Wed 11/2

6:00 a.m.-7:18 p.m.

2 stops18h 18m

C$ 815

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

Showing 1-10 of 16 results
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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$ 425). Flying from Ottawa to Porto in July is currently the most expensive (average of C$ 810). 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 12 December 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 12 December 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
397 reviews
Check prices

Entertainment

7.0

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.6

Food

7.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Porter Airlines
8.0
Very good
397 reviews
Porter Airlines
8.0
Very good
397 reviews
Check prices

Entertainment

7.0

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.6

Food

7.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air Transat
7.8
Good
480 reviews
Porter Airlines
8.0
Very good
397 reviews
Check prices

Entertainment

7.0

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.6

Food

7.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air Canada
7.1
Good
10,514 reviews
Porter Airlines
8.0
Very good
397 reviews
Check prices

Entertainment

7.0

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.6

Food

7.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

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 can get you from Ottawa to Porto in just under 24h 30m. Your travel time can differ by up to . There are 5279 km between Ottawa and Porto.

  • 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$ 849 on this airline. Additional options worth looking into are Porter Airlines and Air Transat, starting at C$ 888 and C$ 894 round-trip. You may be able to fly from Ottawa to Porto for 18% 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$ 425). Flying from Ottawa to Porto in July is currently the most expensive (average of C$ 810). 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 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 849AverageC$ 993FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 888AverageC$ 1,026FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 894AverageC$ 964FlexibilityNo 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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