Toronto, ON YTO to Quebec City, QC YQB flight with Caspian Airlines

Jazz Aviation LP, commonly known as Jazz, is a Canadian regional airline and a wholly owned subsidiary of Chorus Aviation. It primarily operates as Air Canada Express, providing regional and charter services across Canada and the United States. Jazz is Canada's largest regional carrier and plays a crucial role in Air Canada's network, carrying a significant portion of its daily passengers and offering nearly half of its transborder departures. With its main base in Halifax, Jazz serves 79 destinations and operates a fleet of Bombardier aircraft. Beyond passenger flights, Jazz also offers charter services and provides maintenance, repair, and overhaul (MRO) services through Jazz Technical Services.

Air Canada Rouge is a subsidiary of Air Canada, launched in 2013, focusing on lower-cost flights for leisure travelers. It operates as a fully integrated part of the Air Canada network, with flights sold under AC flight numbers but listed as "operated by Air Canada Rouge." The airline primarily serves leisure destinations in the Caribbean, Central America, Mexico, and the United States. Air Canada Rouge offers a "Premium Rouge" cabin with benefits like priority services, lounge access on eligible flights, and more spacious seating. While economy class may have smaller seat pitch, in-flight entertainment is available via a wireless streaming system accessible on personal devices.

Porter Airlines is a Canadian airline headquartered at Billy Bishop Toronto City Airport, known for its focus on convenience and customer service. Established in 2006, it has grown to be the third-largest airline in Canada. Porter operates scheduled flights across North America, utilizing a fleet of De Havilland Canada DHC-8-400 turboprops and Embraer 195-E2 jet aircraft. A key feature of Porter Airlines is its "Flying Refined" brand, emphasizing a premium travel experience with amenities like complimentary beer, wine, and snacks, as well as free Wi-Fi on its E195-E2 jets. They also offer a unique two-by-two seating configuration, ensuring no middle seats on their flights. Porter's main hubs include Toronto–Billy Bishop, Toronto–Pearson, and Ottawa Macdonald-Cartier airports.

Flair Airlines is a Canadian ultra low-cost carrier (ULCC) headquartered in Edmonton, Alberta, operating scheduled passenger and chartered services with a fleet of Boeing 737 aircraft. The airline aims to provide affordable air travel and serves over 35 cities across North America, including destinations in Canada, the United States, Mexico, Jamaica, and the Dominican Republic. As a low-cost carrier, Flair Airlines offers an all-economy cabin with various services and amenities available for additional fees, such as baggage allowances and in-flight catering. While they don't offer traditional business or first class, passengers can choose from different fare bundles like the Basic Bundle and Big Bundle, which include options like checked bags, carry-on bags, and priority boarding. Flair also provides an On-Time Guarantee, compensating passengers for significant delays.