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Cheap flights from Ottawa to Porto from C$ 428

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 26/7. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — OPO
9 Jul — 16 Jul1
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 9 June 2026.

Mon 8/62:50 p.m.
YOW
-
OPO
1 stop11h 00m
Air Canada
Tue 16/611:30 a.m.
OPO
-
YOW
1 stop15h 41m
Air Canada
Deal found 7/6C$ 866
Sun 7/69:10 a.m.
YOW
-
OPO
1 stop16h 50m
Air Canada
Thu 11/611:50 a.m.
OPO
-
YOW
1 stop14h 21m
Air Canada
Deal found 6/6C$ 869
Sun 7/64:00 p.m.
YOW
-
OPO
1 stop14h 45m
Air Transat
Sat 13/61:30 p.m.
OPO
-
YOW
1 stop30h 25m
Air Transat
Deal found 6/6C$ 872
Thu 4/69:45 p.m.
YOW
-
OPO
1 stop28h 25m
Multiple Airlines
Mon 8/610:10 a.m.
OPO
-
YOW
2 stops38h 36m
Multiple Airlines
Deal found 4/6C$ 881
Sat 6/610:05 p.m.
YOW
-
OPO
2 stops27h 55m
Air Canada
Sat 13/611:55 a.m.
OPO
-
YOW
1 stop14h 31m
Air Canada
Deal found 5/6C$ 886
Sun 7/62:00 p.m.
YOW
-
OPO
2 stops12h 00m
Air Canada
Sat 13/611:55 a.m.
OPO
-
YOW
2 stops14h 21m
Air Canada
Deal found 6/6C$ 893
Mon 6/73:10 p.m.
YOW
-
OPO
1 stop10h 50m
Air Canada
Mon 13/711:15 a.m.
OPO
-
YOW
1 stop11h 14m
Air Canada
Deal found 8/6C$ 900

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 9 June 2026.

Round-trip from

C$ 900

One-way from

C$ 428

Popular in

July

Cheapest in

February

Average price

C$ 1,144
Air Canada
  • Air Canada
  • 6/7-13/7
  • 3 total stops
  • 30h 32m total
  • Ottawa to Porto
Search Deals
26/7
  • 26/7
  • 3 total stops
  • 31h 55m total
  • Ottawa to Porto
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 201 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 54 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 9 June 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

Mon 24/8

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

2 stops12h 00m

Porto

Sat 5/9

12:10 p.m.-9:17 a.m.

2 stops26h 07m

C$ 927

OttawaPorto

YOW - OPO

YOWOPO

Ottawa

Thu 18/6

10:50 p.m.-7:10 a.m.

1 stop27h 20m

Porto

Mon 29/6

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

1 stop14h 56m

C$ 971

OttawaPorto

YOW - OPO

YOWOPO

Ottawa

Thu 23/7

3:10 p.m.-6:55 a.m.

1 stop10h 45m

Porto

Thu 30/7

9:00 a.m.-10:03 a.m.

2 stops30h 03m

C$ 1,113

OttawaPorto

YOW - OPO

YOWOPO

Ottawa

Wed 22/7

5:50 p.m.-6:55 a.m.

1 stop32h 05m

Porto

Wed 29/7

8:55 a.m.-2:11 p.m.

2 stops34h 16m

C$ 1,116

OttawaPorto

YOW - OPO

YOWOPO

Ottawa

Fri 7/8

6:55 a.m.-8:50 p.m.

3 stops32h 55m

Porto

Fri 14/8

10:30 p.m.-2:49 p.m.

2 stops21h 19m

C$ 1,137

OttawaPorto

YOW - OPO

YOWOPO

Ottawa

Fri 30/10

10:50 a.m.-9:30 a.m.

2 stops18h 40m

Porto

Sun 8/11

6:15 a.m.-3:57 p.m.

2 stops38h 42m

C$ 1,185
Quickest round-trip

OttawaPorto

YOW - OPO

YOWOPO

Ottawa

Fri 30/10

6:00 p.m.-9:30 a.m.

1 stop11h 30m

Porto

Sat 7/11

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

1 stop14h 21m

C$ 1,197

OttawaPorto

YOW - OPO

YOWOPO

Ottawa

Sat 31/10

6:00 p.m.-9:30 a.m.

1 stop11h 30m

Porto

Mon 9/11

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

1 stop14h 21m

C$ 1,231
Cheapest one-way

OttawaPorto

YOW - OPO

YOWOPO

Ottawa

Sun 14/6

6:25 p.m.-12:40 a.m.

3 stops25h 15m

C$ 436

OttawaPorto

YOW - OPO

YOWOPO

Ottawa

Wed 29/7

6:25 p.m.-3:15 p.m.

3 stops39h 50m

C$ 443

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/6

Showing 1-10 of 18 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$ 913). Flying from Ottawa to Porto in July is currently the most expensive (average of C$ 1,502). 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 9 June 2026.
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
438 reviews
Check prices

Comfort

8.0

Entertainment

6.9

Food

7.6

Overall

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Porter Airlines
8.0
Very good
438 reviews
Porter Airlines
8.0
Very good
438 reviews
Check prices

Comfort

8.0

Entertainment

6.9

Food

7.6

Overall

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Air Transat
7.8
Good
554 reviews
Porter Airlines
8.0
Very good
438 reviews
Check prices

Comfort

8.0

Entertainment

6.9

Food

7.6

Overall

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Air Canada
7.1
Good
11,149 reviews
Porter Airlines
8.0
Very good
438 reviews
Check prices

Comfort

8.0

Entertainment

6.9

Food

7.6

Overall

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.

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 45m. Your travel time can differ by up to 1h 15m. 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$ 835 on this airline. Additional options worth looking into are Porter Airlines and Air Transat, starting at C$ 898 and C$ 904 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$ 913). Flying from Ottawa to Porto in July is currently the most expensive (average of C$ 1,502). 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

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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 9 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 835AverageC$ 1,011FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 898AverageC$ 1,111FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 904AverageC$ 1,131FlexibilityNo 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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