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Cheap flights from Ottawa to Portugal from C$ 437

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 25/9. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LIS
28 Aug — 4 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ottawa to Portugal

Enter your travel dates to find the best prices.

Cheapest flights from Ottawa to Portugal
Explore the most affordable flight options available from Ottawa to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 July 2026.

Sun 30/88:55 p.m.
YOW
-
OPO
1 stop9h 50m
Air Transat
Sun 6/98:25 a.m.
OPO
-
YOW
1 stop14h 10m
Air Transat
Deal found 24/7C$ 721
Sat 19/97:00 a.m.
YOW
-
LIS
1 stop21h 35m
Air Transat
Tue 22/98:15 a.m.
LIS
-
YOW
1 stop14h 20m
Air Transat
Deal found 26/7C$ 724
Mon 14/94:00 p.m.
YOW
-
LIS
1 stop12h 35m
Air Transat
Tue 22/98:15 a.m.
LIS
-
YOW
1 stop14h 20m
Air Transat
Deal found 24/7C$ 731
Sun 23/87:00 a.m.
YOW
-
OPO
1 stop23h 45m
Air Transat
Tue 1/98:25 a.m.
OPO
-
YOW
1 stop14h 10m
Air Transat
Deal found 26/7C$ 735
Sat 31/101:00 p.m.
YOW
-
LIS
1 stop13h 45m
Air Transat
Fri 13/118:35 a.m.
LIS
-
YOW
1 stop28h 38m
Air Transat
Deal found 28/7C$ 739
Wed 30/92:35 p.m.
YOW
-
OPO
1 stop11h 25m
Multiple Airlines
Wed 14/1011:20 a.m.
OPO
-
YOW
1 stop14h 30m
Multiple Airlines
Deal found 24/7C$ 741
Sat 17/108:55 p.m.
YOW
-
LIS
1 stop31h 40m
Air Transat
Sun 25/108:35 a.m.
LIS
-
YOW
1 stop27h 38m
Air Transat
Deal found 24/7C$ 741
Sun 13/94:00 p.m.
YOW
-
LIS
1 stop12h 35m
Porter Airlines
Tue 22/98:15 a.m.
LIS
-
YOW
1 stop14h 20m
Porter Airlines
Deal found 27/7C$ 744
Sun 13/99:25 p.m.
YOW
-
LIS
1 stop30h 55m
Air Canada
Tue 22/911:25 a.m.
LIS
-
YOW
1 stop29h 05m
Air Canada
Deal found 25/7C$ 748
Wed 28/101:00 p.m.
YOW
-
LIS
1 stop13h 45m
Air Transat
Fri 13/118:35 a.m.
LIS
-
YOW
1 stop21h 08m
Air Transat
Deal found 24/7C$ 751
Mon 14/99:05 a.m.
YOW
-
LIS
1 stop19h 15m
Air Canada
Tue 22/911:25 a.m.
LIS
-
YOW
2 stops13h 27m
Air Canada
Deal found 24/7C$ 752
Tue 3/115:40 p.m.
YOW
-
LIS
1 stop32h 05m
Air Transat
Fri 13/118:35 a.m.
LIS
-
YOW
1 stop14h 23m
Air Transat
Deal found 28/7C$ 760

Find flight deals from Ottawa to Portugal

Keep the following information in mind while searching for Ottawa to Portugal flight deals. Data was last updated 29 July 2026.

Round-trip from

C$ 721

One-way from

C$ 437

Popular in

August

Cheapest in

November

Average price

C$ 1,168
Air Transat
  • Air Transat
  • 30/8-6/9
  • 2 total stops
  • 24h 00m total
  • Ottawa to Portugal
Search Deals
25/9
  • 25/9
  • 1 total stop
  • 20h 40m total
  • Ottawa to Portugal
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 115 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ottawa to Portugal 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 29 July 2026.
Use the filters below to find and compare flights from Ottawa to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaPorto

YOW - OPO

YOWOPO

Ottawa

Sun 13/9

6:00 a.m.-9:45 a.m.

2 stops22h 45m

Porto

Thu 17/9

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

2 stops26h 21m

C$ 817

OttawaPorto

YOW - OPO

YOWOPO

Ottawa

Sat 12/9

10:37 a.m.-6:55 a.m.

2 stops15h 18m

Porto

Fri 18/9

9:00 a.m.-4:38 p.m.

1 stop12h 38m

C$ 818

OttawaLisbon

YOW - LIS

YOWLIS

Ottawa

Tue 18/8

7:30 p.m.-10:30 a.m.

1 stop10h 00m

Lisbon Humberto Delgado

Tue 25/8

12:20 p.m.-9:56 a.m.

1 stop26h 36m

C$ 839
Quickest round-trip

OttawaLisbon

YOW - LIS

YOWLIS

Ottawa

Tue 18/8

7:30 p.m.-10:30 a.m.

1 stop10h 00m

Lisbon Humberto Delgado

Thu 27/8

12:20 p.m.-11:54 p.m.

1 stop16h 34m

C$ 839

OttawaLisbon

YOW - LIS

YOWLIS

Ottawa

Wed 9/9

5:20 p.m.-10:30 a.m.

2 stops36h 10m

Lisbon Humberto Delgado

Wed 23/9

10:25 a.m.-2:27 p.m.

2 stops33h 02m

C$ 839

OttawaLisbon

YOW - LIS

YOWLIS

Ottawa

Sat 15/8

7:30 p.m.-10:35 a.m.

1 stop10h 05m

Lisbon Humberto Delgado

Tue 25/8

12:20 p.m.-11:54 p.m.

1 stop16h 34m

C$ 849

OttawaLisbon

YOW - LIS

YOWLIS

Ottawa

Fri 14/8

6:05 a.m.-10:35 a.m.

2 stops47h 30m

Lisbon Humberto Delgado

Wed 19/8

12:20 p.m.-9:11 a.m.

2 stops25h 51m

C$ 849

OttawaLisbon

YOW - LIS

YOWLIS

Ottawa

Sun 6/9

4:00 p.m.-9:35 a.m.

1 stop12h 35m

Lisbon Humberto Delgado

Thu 17/9

11:35 a.m.-12:25 a.m.

1 stop17h 50m

C$ 851

OttawaPorto

YOW - OPO

YOWOPO

Ottawa

Sun 13/9

7:00 a.m.-11:45 a.m.

1 stop23h 45m

Porto

Thu 17/9

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

1 stop15h 55m

C$ 854

OttawaLisbon

YOW - LIS

YOWLIS

Ottawa

Mon 7/9

5:57 p.m.-10:30 a.m.

2 stops35h 33m

Lisbon Humberto Delgado

Mon 14/9

7:25 a.m.-11:54 p.m.

2 stops21h 29m

C$ 858

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/7

Showing 1-10 of 53 resultsSorted by cheapest first
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6

Best time to book a flight from Ottawa to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal 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 Portugal

What is the cheapest month to book a flight from Ottawa to Portugal?

Currently, November is the cheapest month in which you can book a flight from Ottawa to Portugal (average of C$ 975). Flying from Ottawa to Portugal in December is currently the most expensive (average of C$ 1,250). 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 far ahead should I book a flight from Ottawa to Portugal?

The price you pay for your flight from Ottawa to Portugal may vary depending on when you book. For the best chance of a lower fare, look to book 3 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated 29 July 2026.
Get a feel of what it's like to fly with Porter Airlines,Air Transat, andAir France from Ottawa to Portugal by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
449 reviews
Check prices

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.5

Entertainment

6.9

Overall

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Porter Airlines
8.0
Very good
449 reviews
Porter Airlines
8.0
Very good
449 reviews
Check prices

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.5

Entertainment

6.9

Overall

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Air Transat
7.8
Good
568 reviews
Porter Airlines
8.0
Very good
449 reviews
Check prices

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.5

Entertainment

6.9

Overall

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Air France
7.5
Good
1,629 reviews
Porter Airlines
8.0
Very good
449 reviews
Check prices

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.5

Entertainment

6.9

Overall

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
WestJet
7.2
Good
3,415 reviews
Porter Airlines
8.0
Very good
449 reviews
Check prices

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.5

Entertainment

6.9

Overall

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Air Canada
7.1
Good
11,405 reviews
Porter Airlines
8.0
Very good
449 reviews
Check prices

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.5

Entertainment

6.9

Overall

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

Related info for your journey

Find useful and relevant information for your journey from Ottawa to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Ottawa to Portugal?

    Ottawa (YOW), located 10.6 km from the city centre, is the airport you fly out of when you book flights from Ottawa to Portugal.

  • How long is the flight from Ottawa to Portugal?

    There are many flights that can get you from Ottawa to Portugal in 15h 30m. Fly via United Airlines, Aer Lingus, or TAP AIR PORTUGAL to get the fastest option. Ottawa and Portugal are separated by a distance of 5570 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most popular routes from Ottawa to Portugal?

    When deciding which route to take from Ottawa to Portugal consider Ottawa - Lisbon Humberto Delgado, Ottawa - Porto or Ottawa - Ponta Delgada Nordela as they are the most popular.

  • Can I find deals for flights from Ottawa to Portugal that include hotel bookings?

    Yes. In addition to deals on Ottawa to Portugal flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ottawa to Portugal?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ottawa to Portugal.

  • Can I find deals for business class flights from Ottawa to Portugal?

    Yes. Cheapflights offers flight deals from Ottawa to Portugal 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 Portugal?

    Currently, November is the cheapest month in which you can book a flight from Ottawa to Portugal (average of C$ 975). Flying from Ottawa to Portugal in December is currently the most expensive (average of C$ 1,250). 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

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See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Ottawa to Portugal

Discover the top 7 airlines that operate flights from Ottawa to Portugal. 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 29 July 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 652AverageC$ 737FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air FranceCheapestC$ 762AverageC$ 904FlexibilityNo cancel feeOn-time77%
Search Air France flights
Air TransatCheapestC$ 765AverageC$ 1,376FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapestC$ 765AverageC$ 1,151FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 782AverageC$ 1,168FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Porter AirlinesCheapestC$ 791AverageC$ 1,044FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
LufthansaCheapestC$ 1,084AverageC$ 1,335FlexibilityNo cancel feeOn-time76%
Search Lufthansa 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 Portugal?

Cheapflights makes it easy to find Ottawa to Portugal 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 Portugal?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ottawa to Portugal for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Ottawa to Portugal with no change fees?

Yes! Cheapflights helps users easily find flights from Ottawa to Portugal with no change fees.

Can Cheapflights notify me if prices for flights from Ottawa to Portugal become cheaper?

Yes! Start tracking prices for Ottawa to Portugal flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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