Distance From Cascais Airport to Ottawa Macdonald-Cartier International Airport, CAT - YOW Distance

The distance from Cascais Airport (CAT) to Ottawa Macdonald-Cartier International Airport (YOW) is 3338 miles or 5371 kilometers or 2899 nautical miles.

The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.

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How long does it take to travel from Cascais ( Portugal ) to Ottawa ( Canada )?

A one-way nonstop (direct) flight between Cascais and Ottawa takes around 7 hours 40 minutes.

Estimated flight time from Cascais Airport, Cascais, Portugal to Ottawa Macdonald-Cartier International Airport, Ottawa, Canada is 7 hours 40 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.

Travel Distance Between the Airports • CAT - YOW

Kilometers		5371 km
Statute Miles		3338 miles
Nautical Miles		2899 nm
Avg. Time of Flight		7 hours 40 minutes

Cascais Airport to Ottawa Macdonald-Cartier International Airport Flight Route Map - CAT to YOW Flight Path

Location of Cascais Airport & Ottawa Macdonald-Cartier International Airport is given below.
Click the map to view Cascais to Ottawa nonstop flight path and travel direction.

Click to see flight route on Google Map between Cascais, Portugal and Ottawa, Canada. .

Nonstop flight route between Cascais, Portugal and Ottawa, Canada.

Time Difference Between the Airports • CAT - YOW

Time difference between Cascais (Portugal) and Ottawa (Canada) is 4 Hours.
Ottawa time is 4 Hours behind Cascais.

Location	Local Time
Cascais (Portugal)	2026-03-19, 08:07:50 WET
Ottawa (Canada)	2026-03-19, 04:07:50 EDT

Why should you arrive 3 hours before international flight? Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.

Origin

Cascais Airport (CAT / LPCS) Cascais, Portugal

Destination

Ottawa Macdonald-Cartier International Airport (YOW / CYOW) Ottawa, Canada