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Cheap flights from Ottawa to Porto from C$ 425

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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — OPO
28 May — 4 Jun1
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 28 April 2026.

Sun 7/62:00 p.m.
YOW
-
OPO
2 stops12h 00m
Air Canada
Thu 11/611:50 a.m.
OPO
-
YOW
2 stops15h 01m
Air Canada
Deal found 24/4C$ 900
Thu 4/69:45 p.m.
YOW
-
OPO
1 stop28h 25m
Air Canada
Sat 13/611:55 a.m.
OPO
-
YOW
1 stop15h 16m
Air Canada
Deal found 27/4C$ 911
Thu 11/610:05 p.m.
YOW
-
OPO
2 stops28h 05m
Air Canada
Thu 18/611:50 a.m.
OPO
-
YOW
2 stops14h 25m
Air Canada
Deal found 27/4C$ 922
Thu 4/66:00 a.m.
YOW
-
OPO
2 stops31h 30m
Air Canada
Mon 8/610:45 a.m.
OPO
-
YOW
1 stop14h 01m
Air Canada
Deal found 25/4C$ 928
Thu 4/69:10 a.m.
YOW
-
OPO
2 stops28h 20m
Multiple Airlines
Mon 8/610:45 a.m.
OPO
-
YOW
2 stops16h 06m
Multiple Airlines
Deal found 25/4C$ 939
Thu 4/63:10 p.m.
YOW
-
OPO
1 stop13h 35m
Multiple Airlines
Sat 13/611:55 a.m.
OPO
-
YOW
2 stops14h 21m
Multiple Airlines
Deal found 27/4C$ 954

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 28 April 2026.

Round-trip from

C$ 900

One-way from

C$ 425

Popular in

July

Cheapest in

February

Average price

C$ 1,096
Air Canada
  • Air Canada
  • 7/6-11/6
  • 4 total stops
  • 27h 01m total
  • Ottawa to Porto
Search Deals
10/6
  • 10/6
  • 3 total stops
  • 45h 00m total
  • Ottawa to Porto
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 151 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 51 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
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 April 2026.
Use the filters below to find and compare flights from Ottawa to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaPorto

YOW - OPO

YOWOPO

Ottawa

Sun 7/6

5:50 p.m.-7:00 a.m.

1 stop8h 10m

Porto

Thu 11/6

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

1 stop15h 21m

C$ 900

OttawaPorto

YOW - OPO

YOWOPO

Ottawa

Thu 11/6

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

2 stops28h 05m

Porto

Thu 18/6

11:50 a.m.-5:29 p.m.

1 stop10h 39m

C$ 911

OttawaPorto

YOW - OPO

YOWOPO

Ottawa

Thu 4/6

5:50 p.m.-9:45 a.m.

1 stop10h 55m

Porto

Mon 8/6

10:45 a.m.-11:31 a.m.

1 stop29h 46m

C$ 934

OttawaPorto

YOW - OPO

YOWOPO

Ottawa

Thu 4/6

3:10 p.m.-9:45 a.m.

1 stop13h 35m

Porto

Sat 13/6

11:55 a.m.-5:16 p.m.

1 stop10h 21m

C$ 936

OttawaPorto

YOW - OPO

YOWOPO

Ottawa

Fri 18/9

11:15 a.m.-7:10 a.m.

1 stop14h 55m

Porto

Wed 7/10

12:45 p.m.-7:45 p.m.

1 stop12h 00m

C$ 1,011

OttawaPorto

YOW - OPO

YOWOPO

Ottawa

Fri 10/7

5:45 p.m.-7:00 a.m.

1 stop8h 15m

Porto

Tue 21/7

12:15 p.m.-10:10 p.m.

1 stop14h 55m

C$ 1,149
Quickest round-trip

OttawaPorto

YOW - OPO

YOWOPO

Ottawa

Wed 8/7

5:45 p.m.-7:00 a.m.

1 stop8h 15m

Porto

Sun 19/7

12:15 p.m.-5:29 p.m.

1 stop10h 14m

C$ 1,149

OttawaPorto

YOW - OPO

YOWOPO

Ottawa

Fri 10/7

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

1 stop10h 50m

Porto

Wed 22/7

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

1 stop13h 25m

C$ 1,149

OttawaPorto

YOW - OPO

YOWOPO

Ottawa

Tue 7/7

6:00 a.m.-6:15 a.m.

2 stops19h 15m

Porto

Tue 21/7

9:00 a.m.-2:11 p.m.

2 stops34h 11m

C$ 1,160

OttawaPorto

YOW - OPO

YOWOPO

Ottawa

Sun 12/7

3:10 p.m.-6:50 a.m.

1 stop10h 40m

Porto

Thu 30/7

11:50 a.m.-8:50 p.m.

1 stop14h 00m

C$ 1,161

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/4

Showing 1-10 of 21 resultsSorted by cheapest first
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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$ 893). Flying from Ottawa to Porto in July is currently the most expensive (average of C$ 1,468). 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 much does it cost to fly round-trip from Ottawa to Porto?

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 April 2026.
Check out reviews from past customers who have flown with Porter Airlines,Air Transat, andUnited Airlines 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
435 reviews
Check prices

Boarding

8.2

Overall

8.0

Food

7.6

Crew

8.6

Entertainment

7.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Porter Airlines
8.0
Very good
435 reviews
Porter Airlines
8.0
Very good
435 reviews
Check prices

Boarding

8.2

Overall

8.0

Food

7.6

Crew

8.6

Entertainment

7.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Air Transat
7.8
Good
542 reviews
Porter Airlines
8.0
Very good
435 reviews
Check prices

Boarding

8.2

Overall

8.0

Food

7.6

Crew

8.6

Entertainment

7.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
United Airlines
7.4
Good
9,675 reviews
Porter Airlines
8.0
Very good
435 reviews
Check prices

Boarding

8.2

Overall

8.0

Food

7.6

Crew

8.6

Entertainment

7.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Air Canada
7.1
Good
10,975 reviews
Porter Airlines
8.0
Very good
435 reviews
Check prices

Boarding

8.2

Overall

8.0

Food

7.6

Crew

8.6

Entertainment

7.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.

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 8h 10m. 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$ 816 on this airline. Additional options worth looking into are Porter Airlines and Air Transat, starting at C$ 885 and C$ 888 round-trip. You may be able to fly from Ottawa to Porto for 23% 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$ 893). Flying from Ottawa to Porto in July is currently the most expensive (average of C$ 1,468). 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

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Top 4 airlines flying from Ottawa to Porto

Discover the top 4 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 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 816AverageC$ 988FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 885AverageC$ 1,064FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 888AverageC$ 1,106FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
United AirlinesCheapestC$ 925AverageC$ 935FlexibilityNo cancel feeOn-time69%
Search United Airlines 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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