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Cheap flights from Ottawa to Porto from C$ 418

YOW — OPO
7 Oct — 14 Oct1
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

Tue 10/115:30 a.m. -
2 stops28h 30m
Sat 14/115:00 a.m. -
2 stops24h 44m
Deal found 2/9C$ 818
Tue 6/109:25 p.m. -
2 stops33h 00m
Tue 20/1011:15 a.m. -
2 stops15h 37m
Deal found 2/9C$ 1,024
Sun 18/106:01 p.m. -
1 stop10h 44m
Thu 22/1011:50 a.m. -
1 stop15h 20m
Deal found 2/9C$ 1,029

Find flight deals from Ottawa to Porto

Round-trip from

C$ 818

One-way from

C$ 418

Popular in

December

Cheapest in

February

Average price

C$ 896
10/11-14/11
  • 10/11-14/11
  • 4 total stops
  • 53h 14m total
  • Ottawa to Porto
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20/10-31/12
  • 20/10-31/12
  • 2 total stops
  • 44h 05m total
  • Ottawa to Porto
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 122 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 40 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
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 Ottawa - OPO Porto

YOWOPO

Ottawa

Tue 20/10

8:15 p.m.-9:20 p.m.

2 stops44h 05m

Porto

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 418

OttawaPorto

YOW Ottawa - OPO Porto

YOWOPO

Ottawa

Thu 1/10

6:55 a.m.-8:10 a.m.

3 stops44h 15m

Porto

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 441

OttawaPorto

YOW Ottawa - OPO Porto

YOWOPO

Ottawa

Sun 18/10

6:05 a.m.-9:45 a.m.

1 stop22h 40m

Porto

Thu 22/10

11:50 a.m.-11:17 a.m.

2 stops28h 27m

C$ 1,032

OttawaPorto

YOW Ottawa - OPO Porto

YOWOPO

Ottawa

Mon 8/2

1:25 p.m.-11:15 a.m.

2 stops16h 50m

Porto

Mon 15/2

12:05 p.m.-11:09 p.m.

2 stops40h 04m

C$ 1,039

OttawaPorto

YOW Ottawa - OPO Porto

YOWOPO

Ottawa

Fri 5/2

9:00 a.m.-11:15 a.m.

2 stops21h 15m

Porto

Fri 19/2

12:05 p.m.-2:12 p.m.

2 stops55h 07m

C$ 1,082

OttawaPorto

YOW Ottawa - OPO Porto

YOWOPO

Ottawa

Sat 17/10

7:30 p.m.-9:45 a.m.

2 stops33h 15m

Porto

Sat 24/10

6:00 a.m.-11:54 p.m.

2 stops22h 54m

C$ 1,105

OttawaPorto

YOW Ottawa - OPO Porto

YOWOPO

Ottawa

Wed 30/9

6:05 a.m.-3:40 p.m.

2 stops28h 35m

Porto

Fri 16/10

6:00 a.m.-2:17 p.m.

2 stops37h 17m

C$ 1,193

OttawaPorto

YOW Ottawa - OPO Porto

YOWOPO

Ottawa

Wed 21/10

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

1 stop13h 35m

Porto

Wed 28/10

12:35 p.m.-3:07 p.m.

2 stops54h 32m

C$ 1,197

OttawaPorto

YOW Ottawa - OPO Porto

YOWOPO

Ottawa

Wed 14/10

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

2 stops12h 00m

Porto

Sat 17/10

4:50 p.m.-1:53 p.m.

2 stops26h 03m

C$ 1,259
Quickest round-trip

OttawaPorto

YOW Ottawa - OPO Porto

YOWOPO

Ottawa

Tue 6/10

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

1 stop17h 00m

Porto

Tue 20/10

6:15 a.m.-3:00 p.m.

1 stop13h 45m

C$ 1,348

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/9

Showing 1-10 of 12 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

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$ 891). Flying from Ottawa to Porto in December is currently the most expensive (average of C$ 1,374). 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

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
458 reviews
Check prices

Food

7.6

Overall

8.0

Entertainment

6.9

Crew

8.6

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.
Porter Airlines
8.0
Very good
458 reviews
Porter Airlines
8.0
Very good
458 reviews
Check prices

Food

7.6

Overall

8.0

Entertainment

6.9

Crew

8.6

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.
Air Transat
7.8
Good
576 reviews
Porter Airlines
8.0
Very good
458 reviews
Check prices

Food

7.6

Overall

8.0

Entertainment

6.9

Crew

8.6

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.
Air Canada
7.1
Good
11,593 reviews
Porter Airlines
8.0
Very good
458 reviews
Check prices

Food

7.6

Overall

8.0

Entertainment

6.9

Crew

8.6

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.

Related info for your journey

  • How long is the flight from Ottawa to Porto?

    Air Canada can get you from Ottawa to Porto in just under 22h 40m. 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 Transat. Our recent data shows that you can find tickets from as low as C$ 720 on this airline. Additional options worth looking into are Air Canada and Porter Airlines, starting at C$ 814 and C$ 891 round-trip. You may be able to fly from Ottawa to Porto for 32% 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$ 891). Flying from Ottawa to Porto in December is currently the most expensive (average of C$ 1,374). 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

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Ottawa to Porto

AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 720AverageC$ 1,015FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapestC$ 814AverageC$ 1,022FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 891AverageC$ 1,001FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights

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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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