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Cheap flights from Ottawa to Lisbon from C$ 346

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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LIS
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Ottawa to Lisbon Humberto Delgado are usually found in January or February, booked 69 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap flight deals from Ottawa to Lisbon

Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to Lisbon (LIS). 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 September 2025.

Round-trip from

C$ 683

One-way from

C$ 346

Popular in

July

Cheapest in

January

Average price

C$ 994
Air Canada
  • Air Canada
  • 5/2-17/2
  • 3 total stops
  • 28h 37m total
  • Ottawa to Lisbon
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11/10
  • 11/10
  • 2 total stops
  • 26h 15m total
  • Ottawa to Lisbon
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 138 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals from Ottawa to Lisbon

Cheapest flights from Ottawa to Lisbon
Explore the most affordable flight options available from Ottawa to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2025.

Thu 20/118:00 p.m.YOW - LIS
1 stop8h 20mAir Canada
Sat 6/1211:20 a.m.LIS - YOW
1 stop13h 02mAir Canada
Deal found 9/9C$ 686
Tue 18/118:00 p.m.YOW - LIS
1 stop8h 20mAir Canada
Tue 2/1211:20 a.m.LIS - YOW
1 stop11h 17mAir Canada
Deal found 9/9C$ 687
Thu 20/1111:20 a.m.YOW - LIS
2 stops17h 00mAir Canada
Sun 7/1210:50 a.m.LIS - YOW
2 stops16h 28mAir Canada
Deal found 9/9C$ 694
Tue 18/118:00 p.m.YOW - LIS
1 stop8h 20mAir Canada
Wed 3/1211:00 a.m.LIS - YOW
1 stop31h 18mAir Canada
Deal found 10/9C$ 697
Mon 24/112:50 p.m.YOW - LIS
2 stops13h 30mAir Canada
Sun 7/1210:50 a.m.LIS - YOW
2 stops16h 28mAir Canada
Deal found 10/9C$ 704
Wed 19/1112:05 p.m.YOW - LIS
1 stop15h 50mAir Canada
Wed 3/1211:00 a.m.LIS - YOW
1 stop11h 18mAir Canada
Deal found 9/9C$ 705
Thu 23/108:55 p.m.YOW - LIS
1 stop30h 25mAir Canada
Thu 6/1110:55 a.m.LIS - YOW
2 stops13h 46mAir Canada
Deal found 11/9C$ 748
Fri 24/101:55 p.m.YOW - LIS
2 stops13h 25mAir Canada
Thu 6/1110:55 a.m.LIS - YOW
1 stop11h 42mAir Canada
Deal found 10/9C$ 759

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ottawa to Lisbon 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 September 2025.
Use the filters below to find and compare flights from Ottawa to Lisbon that are best for you.

Fly from

Ottawa

Fly to

Lisbon

Route

Depart

Return

Price

OttawaLisbon

YOW - LIS

YOWLIS

Ottawa

Tue 18/11

8:00 p.m.-9:20 a.m.

1 stop8h 20m

Lisbon Humberto Delgado

Tue 2/12

11:20 a.m.-5:37 p.m.

1 stop11h 17m

C$ 687

OttawaLisbon

YOW - LIS

YOWLIS

Ottawa

Thu 20/11

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

2 stops17h 00m

Lisbon Humberto Delgado

Sat 6/12

11:20 a.m.-11:08 p.m.

2 stops16h 48m

C$ 694

OttawaLisbon

YOW - LIS

YOWLIS

Ottawa

Thu 23/10

6:40 p.m.-9:20 a.m.

1 stop9h 40m

Lisbon Humberto Delgado

Thu 6/11

10:55 a.m.-5:37 p.m.

1 stop11h 42m

C$ 754

OttawaLisbon

YOW - LIS

YOWLIS

Ottawa

Sun 1/2

10:50 a.m.-9:20 a.m.

2 stops17h 30m

Lisbon Humberto Delgado

Tue 31/3

10:25 a.m.-9:36 a.m.

2 stops28h 11m

C$ 784

OttawaLisbon

YOW - LIS

YOWLIS

Ottawa

Thu 23/10

2:40 p.m.-11:05 a.m.

2 stops15h 25m

Lisbon Humberto Delgado

Thu 6/11

5:00 a.m.-5:18 p.m.

2 stops17h 18m

C$ 802

OttawaLisbon

YOW - LIS

YOWLIS

Ottawa

Tue 13/1

9:45 a.m.-8:10 a.m.

2 stops17h 25m

Lisbon Humberto Delgado

Thu 5/3

11:55 a.m.-10:07 a.m.

2 stops27h 12m

C$ 809

OttawaLisbon

YOW - LIS

YOWLIS

Ottawa

Mon 17/11

7:30 p.m.-10:15 a.m.

1 stop9h 45m

Lisbon Humberto Delgado

Thu 27/11

10:15 a.m.-4:32 p.m.

1 stop11h 17m

C$ 862

OttawaLisbon

YOW - LIS

YOWLIS

Ottawa

Sat 15/11

7:30 p.m.-10:15 a.m.

1 stop9h 45m

Lisbon Humberto Delgado

Tue 25/11

10:15 a.m.-4:32 p.m.

1 stop11h 17m

C$ 862

OttawaLisbon

YOW - LIS

YOWLIS

Ottawa

Fri 14/11

5:20 p.m.-3:10 p.m.

1 stop16h 50m

Lisbon Humberto Delgado

Tue 2/12

9:30 a.m.-12:42 a.m.

2 stops20h 12m

C$ 887

OttawaLisbon

YOW - LIS

YOWLIS

Ottawa

Thu 30/10

6:20 p.m.-2:35 p.m.

2 stops16h 15m

Lisbon Humberto Delgado

Wed 5/11

5:30 a.m.-3:10 p.m.

1 stop14h 40m

C$ 887

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

Showing 1-10 of 18 results
1
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Best time to book a flight from Ottawa to Lisbon

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

How far ahead should I book a flight from Ottawa to Lisbon?

Use this chart to determine the optimal time to book a round-trip flight from Ottawa to Lisbon. Price data was last updated on 29 August 2025.

Booking 69 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ottawa to Lisbon. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from Ottawa to Lisbon (average of C$ 482). Flying from Ottawa to Lisbon in July is currently the most expensive (average of C$ 779). 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.

What is the cheapest time of day to fly from YOW to LIS?

Find hourly flight availability from Ottawa to Lisbon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 September 2025.

One of the essential ways to save on airfare from Ottawa to Lisbon is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the morning could potentially save you up to 17% on airfare.

What is the cheapest day to fly from Ottawa to Lisbon?

Use this chart to determine the cheapest time to fly round-trip from Ottawa to Lisbon. Price data was last updated on 16 December 2024.

Travelers seeking maximum savings on their Ottawa to Lisbon flight should consider departing on Tuesday mornings when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Lisbon

Get insights into the airlines that provide service to Lisbon. 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 Lisbon. Reviews last updated 11 September 2025.
Get a feel of what it's like to fly with Porter Airlines,Air Transat, andAir France from Ottawa to Lisbon 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
7.9
Good
363 reviews
Check prices

Comfort

7.9

Entertainment

7.0

Overall

7.9

Food

7.6

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
7.9
Good
363 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Comfort

7.9

Entertainment

7.0

Overall

7.9

Food

7.6

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Transat
7.7
Good
438 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Comfort

7.9

Entertainment

7.0

Overall

7.9

Food

7.6

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air France
7.4
Good
1,469 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Comfort

7.9

Entertainment

7.0

Overall

7.9

Food

7.6

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
United Airlines
7.4
Good
8,937 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Comfort

7.9

Entertainment

7.0

Overall

7.9

Food

7.6

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Canada
7.1
Good
10,000 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Comfort

7.9

Entertainment

7.0

Overall

7.9

Food

7.6

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

Related info for your journey

Find useful and relevant information for your journey from Ottawa to Lisbon. 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 Lisbon?

    A quick flight from Ottawa to Lisbon can take about 8h 20m. Air Canada provides one of the quickest options available for as low as C$ 687. Ottawa and Lisbon are separated by a distance of 5380 km.

  • What are the cheapest airlines flying from Ottawa to Lisbon round-trip?

    Cheapflights users have booked flights from Ottawa to Lisbon round-trip from C$ 715. Other airlines that can offer you cheap pricing are United Airlines, from C$ 809, and Air Canada, from C$ 828. Air France is currently priced 29% below the average price you’ll pay for this route.

  • Where are the most common layover locations when flying from Ottawa to Lisbon?

    Of the flights from Ottawa to Lisbon that have layovers, most of them stop in Toronto.

  • What are some popular things to do or see while on a layover in Toronto?

    If you're on a layover in Toronto and looking for things to do, consider visiting Union Station, CN Tower, or Ripley's Aquarium of Canada. Union Station, CN Tower, and Ripley's Aquarium of Canada can be visited by travelling about 19.5 km, 19.1 km, and 19.2 km respectively from Toronto Pearson Intl. Travelers can rent a car at Toronto Pearson Intl for an average daily rate of C$ 66 to make sightseeing during their layover a little easier.

  • Where are the least popular layover locations for Ottawa to Lisbon flights?

    The least popular layover on flights from Ottawa to Lisbon is Montreal.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Ottawa to Lisbon (average of C$ 482). Flying from Ottawa to Lisbon in July is currently the most expensive (average of C$ 779). 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 Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Sintra
Costa da Caparica
Óbidos
Setúbal

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Fly from Ottawa to Lisbon on these airlines

Choose from the following airlines for your flight from Ottawa to Lisbon. Flights are based on user searches made on Cheapflights and were last updated on 11 September 2025.
Air Canada flights from Ottawa to Lisbon Humberto Delgado
Air France flights from Ottawa to Lisbon Humberto Delgado
United Airlines flights from Ottawa to Lisbon Humberto Delgado

Top 6 airlines flying from Ottawa to Lisbon

Discover the top 6 airlines that operate flights from Ottawa to Lisbon. 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 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapestC$ 715AverageC$ 857FlexibilityNo cancel feeOn-time77%
Search Air France flights
United AirlinesCheapestC$ 809AverageC$ 935FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 828AverageC$ 992FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 849AverageC$ 941FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 853AverageC$ 958FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
LufthansaCheapestC$ 973AverageC$ 1,222FlexibilityNo 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 Lisbon?

Cheapflights helps you search for flights from Ottawa to Lisbon via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Ottawa to Lisbon?

Cheapflights simply makes it quick and affordable to book flights from Ottawa to Lisbon by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

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

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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