Ottawa Macdonald-Cartier International Airport Guide

IATA YOWICAO CYOWOttawaUpdated 2026-10-08
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Ottawa Macdonald-Cartier International Airport sits about 15 km south of downtown Ottawa, serving the National Capital Region of Canada. The airport opened in 1938 and is Canada's sixth-busiest airport by passenger traffic, ranking second in Ontario. A new 61,000 m² terminal opened in 2003, with a further expansion in 2008 adding twelve gates. In January 2025, an O-Train station connected the airport directly to Ottawa's light rail network.

The airport handles domestic, US transborder, and international traffic from a single terminal. Porter Airlines uses YOW as its main hub and operates the most non-stop routes of any carrier at the airport. Air Canada and Air Transat treat it as a focus city, while Canadian North is based here. Direct international service includes year-round Air Canada flights to London Heathrow and Air France service to Paris Charles de Gaulle.

YOW is one of the Canadian airports with a US Customs pre-clearance facility, allowing passengers to clear US customs in Ottawa before departure. The airport handles flights from multiple alliances, including Star Alliance carriers Air Canada and United Airlines and SkyTeam's Air France, alongside a mix of independent carriers.

Services

5 of 6 available

Compare 21 listed options at Ottawa Macdonald-Cartier International Airport, spanning parking, car rentals, lounges, hotels and shuttles. Each guide sets out locations, distance from the airport, key features and links to book direct, so you can weigh cost against convenience before you fly. Select a service below to see every provider we track for Ottawa Macdonald-Cartier International Airport.

Location

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Key facts

Size
4.9M passengers (2025)3 runwaysopened 1938
Location
45.322, -75.669
Operator
Ottawa International Airport Authority

Terminals

1 terminal

Ottawa Macdonald-Cartier International Airport has 1 passenger terminal — Main Terminal, handling both international and domestic flights for around 9 airlines. Check which terminal your airline uses before you travel, as check-in, security and boarding points differ between them, and moving from one to another can take time.

  • Main TerminalMixed

    Porter Airlines, Air Canada, WestJet, Air Transat, United Airlines, Air France, Flair Airlines, Canadian North, PAL Airlines

Nearby cities

2 cities

Ottawa Macdonald-Cartier International Airport is closest to Ottawa (13 km north), and also serves Gatineau and other nearby areas. With 2 towns and cities within reach, it is a practical gateway for the wider region. Distances shown are straight-line from the airport, so allow extra time for road transfers, traffic and parking.

  • Ottawa13 km north
  • Gatineau21 km northwest

Frequently Asked Questions

What are the airport codes for Ottawa Macdonald-Cartier International Airport?

Ottawa Macdonald-Cartier International Airport uses the following codes: IATA: YOW, ICAO: CYOW. These codes are used by airlines, pilots, and travel systems to identify the airport.

Where is Ottawa Macdonald-Cartier International Airport located?

Ottawa Macdonald-Cartier International Airport is located in Ottawa, Ontario, Canada. The airport coordinates are 45.3225°, -75.6692°.

What services are available at Ottawa Macdonald-Cartier International Airport?

Ottawa Macdonald-Cartier International Airport offers: 3 parking options, 9 car rental companies, 2 lounges, 5 nearby hotels, 2 shuttle services, public transport connections. Click on each service type above to view detailed information.

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