Find flights
When to book
Airlines
FAQs

Cheap flights from Ottawa to Porto from C$ 511

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 29/6. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — OPO
10 Apr — 17 Apr1
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 11 March 2026.

Tue 2/69:30 p.m.
YOW
-
OPO
1 stop28h 30m
Air Canada
Tue 9/612:15 p.m.
OPO
-
YOW
1 stop12h 31m
Air Canada
Deal found 7/3C$ 865
Tue 2/69:30 p.m.
YOW
-
OPO
1 stop28h 30m
Air Canada
Wed 10/612:35 p.m.
OPO
-
YOW
1 stop25h 36m
Air Canada
Deal found 7/3C$ 899
Sun 14/69:05 a.m.
YOW
-
OPO
2 stops22h 00m
Air Canada
Thu 18/611:50 a.m.
OPO
-
YOW
1 stop14h 00m
Air Canada
Deal found 10/3C$ 918
Mon 4/53:30 p.m.
YOW
-
OPO
3 stops26h 05m
Multiple Airlines
Tue 19/510:25 p.m.
OPO
-
YOW
3 stops30h 55m
Multiple Airlines
Deal found 9/3C$ 927
Sat 10/102:00 p.m.
YOW
-
OPO
2 stops12h 00m
Multiple Airlines
Sat 24/1010:15 a.m.
OPO
-
YOW
1 stop15h 35m
Multiple Airlines
Deal found 7/3C$ 935
Mon 23/35:55 p.m.
YOW
-
OPO
1 stop11h 35m
Air Canada
Sun 14/66:00 a.m.
OPO
-
YOW
2 stops31h 28m
Air Canada
Deal found 6/3C$ 941
Tue 5/55:50 p.m.
YOW
-
OPO
2 stops14h 55m
Multiple Airlines
Tue 12/511:05 a.m.
OPO
-
YOW
2 stops16h 06m
Multiple Airlines
Deal found 10/3C$ 945
Sun 31/55:50 p.m.
YOW
-
OPO
1 stop10h 55m
Air Canada
Tue 9/612:15 p.m.
OPO
-
YOW
1 stop10h 01m
Air Canada
Deal found 7/3C$ 948
Thu 28/56:05 a.m.
YOW
-
OPO
1 stop22h 40m
Air Canada
Sat 6/610:15 a.m.
OPO
-
YOW
1 stop12h 01m
Air Canada
Deal found 7/3C$ 957

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 11 March 2026.

Round-trip from

C$ 865

One-way from

C$ 511

Popular in

July

Cheapest in

February

Average price

C$ 982
Air Canada
  • Air Canada
  • 2/6-9/6
  • 2 total stops
  • 41h 01m total
  • Ottawa to Porto
Search Deals
29/6
  • 29/6
  • 3 total stops
  • 37h 10m total
  • Ottawa to Porto
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 179 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 55 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 11 March 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 14/6

9:05 a.m.-12:05 p.m.

2 stops22h 00m

Porto

Thu 18/6

11:50 a.m.-9:52 p.m.

2 stops15h 02m

C$ 918

OttawaPorto

YOW - OPO

YOWOPO

Ottawa

Mon 23/3

10:50 a.m.-12:05 p.m.

2 stops21h 15m

Porto

Sun 14/6

6:00 a.m.-8:28 a.m.

2 stops31h 28m

C$ 944

OttawaPorto

YOW - OPO

YOWOPO

Ottawa

Sun 14/6

6:35 p.m.-11:45 a.m.

1 stop12h 10m

Porto

Thu 18/6

1:30 p.m.-12:25 a.m.

1 stop15h 55m

C$ 965

OttawaPorto

YOW - OPO

YOWOPO

Ottawa

Mon 23/3

5:55 p.m.-9:30 a.m.

1 stop11h 35m

Porto

Wed 1/4

6:00 a.m.-7:36 p.m.

2 stops18h 36m

C$ 979
Quickest round-trip

OttawaPorto

YOW - OPO

YOWOPO

Ottawa

Tue 30/6

2:15 p.m.-6:45 a.m.

1 stop11h 30m

Porto

Tue 7/7

1:30 p.m.-8:00 p.m.

1 stop11h 30m

C$ 995

OttawaPorto

YOW - OPO

YOWOPO

Ottawa

Mon 23/3

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

2 stops17h 00m

Porto

Sun 14/6

6:00 a.m.-10:03 a.m.

2 stops33h 03m

C$ 1,092

OttawaPorto

YOW - OPO

YOWOPO

Ottawa

Tue 2/6

2:15 p.m.-6:45 a.m.

1 stop11h 30m

Porto

Sat 6/6

1:30 p.m.-12:25 a.m.

1 stop15h 55m

C$ 1,139
Cheapest one-way

OttawaPorto

YOW - OPO

YOWOPO

Ottawa

Mon 20/4

5:40 a.m.-6:50 a.m.

3 stops44h 10m

C$ 550

OttawaPorto

YOW - OPO

YOWOPO

Ottawa

Sun 28/6

6:25 p.m.-11:00 a.m.

3 stops35h 35m

C$ 553

OttawaPorto

YOW - OPO

YOWOPO

Ottawa

Fri 24/4

5:40 a.m.-9:40 a.m.

2 stops47h 00m

C$ 597

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/3

Showing 1-10 of 14 resultsSorted by cheapest first
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$ 418). Flying from Ottawa to Porto in December is currently the most expensive (average of C$ 938). 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.

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 11 March 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
423 reviews
Check prices

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.0

Overall

8.0

Food

7.6

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
423 reviews
Porter Airlines
8.0
Very good
423 reviews
Check prices

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.0

Overall

8.0

Food

7.6

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
7.7
Good
520 reviews
Porter Airlines
8.0
Very good
423 reviews
Check prices

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.0

Overall

8.0

Food

7.6

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
9,409 reviews
Porter Airlines
8.0
Very good
423 reviews
Check prices

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.0

Overall

8.0

Food

7.6

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
10,800 reviews
Porter Airlines
8.0
Very good
423 reviews
Check prices

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.0

Overall

8.0

Food

7.6

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 and Porter Airlines can get you from Ottawa to Porto in just under 12h 10m. Your travel time can differ by up to 9h 50m. 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$ 813 on this airline. Additional options worth looking into are Air Transat and Porter Airlines, starting at C$ 880 and C$ 882 round-trip. You may be able to fly from Ottawa to Porto for 21% 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$ 418). Flying from Ottawa to Porto in December is currently the most expensive (average of C$ 938). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 11 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 813AverageC$ 964FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air TransatCheapestC$ 880AverageC$ 1,075FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapestC$ 882AverageC$ 1,082FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 910AverageC$ 931FlexibilityNo 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.