Flight Kolkata - Osaka prices from ¥40,883

Air China is the flag carrier airline of the People's Republic of China. It was founded in 1988 and is headquartered in Beijing. The airline operates a fleet of over 400 aircraft and serves more than 200 destinations worldwide. Air China is a member of the Star Alliance, which is the world's largest airline alliance. The airline offers a range of services, including passenger and cargo transportation, as well as aircraft maintenance and ground handling. Air China is committed to providing safe, reliable, and comfortable air travel to its customers, and it has won numerous awards for its service and performance.

Air India Express is a low-cost airline based in India that operates flights to various domestic and international destinations. It is a subsidiary of Air India and was established in 2004 with the aim of providing affordable air travel to passengers. The airline operates a fleet of Boeing 737-800 aircraft and offers a no-frills service with basic amenities such as meals, snacks, and beverages available for purchase on board. Air India Express has a strong presence in the Middle East and operates flights to destinations such as Dubai, Abu Dhabi, and Muscat. The airline has won several awards for its safety and operational efficiency.

AirAsia is a low-cost airline based in Malaysia that operates flights to over 165 destinations across Asia, Australia, and the Middle East. It was founded in 1993 and has since grown to become one of the largest airlines in the region, with a fleet of over 250 aircraft. AirAsia is known for its affordable fares, which are made possible through its no-frills approach to air travel. Passengers can choose to add on additional services such as meals, baggage allowance, and seat selection for an extra fee. The airline also offers a loyalty program called BIG, which allows members to earn and redeem points for flights and other rewards.

AirAsia India is a low-cost airline based in Bangalore, India. It is a joint venture between AirAsia Group and Tata Sons. The airline started operations in June 2014 and currently operates flights to various domestic destinations in India. AirAsia India aims to provide affordable air travel to the masses and has a fleet of Airbus A320 aircraft. The airline offers various services such as in-flight meals, baggage allowance, and online check-in. AirAsia India has won several awards for its services and is known for its punctuality and customer satisfaction.

AirAsia X is a long-haul budget airline based in Malaysia. It is a subsidiary of AirAsia, one of the largest low-cost carriers in Asia. AirAsia X operates flights to destinations in Asia, Australia, New Zealand, the Middle East, and the United States. The airline offers a range of cabin classes, including economy, premium economy, and business class. AirAsia X is known for its low fares and no-frills approach to air travel, with passengers paying extra for amenities such as meals, baggage, and seat selection. Despite its budget focus, AirAsia X has won several awards for its service and safety record.

Hong Kong Airlines is a full-service airline based in Hong Kong. It was founded in 2006 and operates flights to over 30 destinations across Asia, Europe, North America, and Oceania. The airline's fleet consists of Airbus A320, A330, and A350 aircraft. Hong Kong Airlines offers a range of cabin classes, including Economy, Premium Economy, and Business Class. The airline is known for its affordable fares and quality service, with a focus on providing a comfortable and enjoyable travel experience for its passengers. Hong Kong Airlines is a member of the HNA Group, one of China's largest conglomerates.

Japan Airlines (JAL) is the flag carrier airline of Japan, headquartered in Tokyo. It was founded in 1951 and operates a fleet of over 170 aircraft, serving 92 destinations in 20 countries. JAL is a member of the Oneworld airline alliance and has codeshare agreements with several other airlines. The airline offers a range of classes, including first, business, premium economy, and economy. JAL has won numerous awards for its service, including being named the World's Best Economy Class and Best Economy Class Airline Seat by Skytrax in 2019. The airline is committed to sustainability and has implemented various initiatives to reduce its environmental impact.

Malaysia Airlines is the flag carrier airline of Malaysia, headquartered in Kuala Lumpur. It operates flights to over 60 destinations across Asia, Australia, Europe, and the Middle East. The airline was founded in 1947 as Malayan Airways and was later renamed Malaysia Airlines in 1963. It is a member of the oneworld airline alliance and has a fleet of over 80 aircraft, including Airbus A330s, A350s, and Boeing 737s. Malaysia Airlines has faced several challenges in recent years, including the disappearance of Flight MH370 in 2014 and the shooting down of Flight MH17 over Ukraine in the same year.

Qatar Airways is the national airline of Qatar, based in Doha. It was founded in 1993 and has since grown to become one of the world's leading airlines, with a fleet of over 200 aircraft flying to more than 160 destinations worldwide. Qatar Airways is known for its luxurious and award-winning service, offering passengers a range of amenities such as lie-flat seats, gourmet cuisine, and in-flight entertainment. The airline is a member of the oneworld alliance and has partnerships with several other airlines, allowing passengers to easily connect to destinations around the world. Qatar Airways has won numerous awards for its service, including being named the world's best airline by Skytrax in 2019.

Spring Airlines is a low-cost airline based in Shanghai, China. It was founded in 2004 and operates both domestic and international flights to destinations in Asia. The airline's fleet consists of Airbus A320 aircraft, and it has a reputation for offering affordable fares and no-frills service. Spring Airlines has a strong focus on technology and innovation, with features such as online check-in and mobile boarding passes. The airline has won several awards for its service, including the "Best Low-Cost Carrier" award at the 2019 World Airline Awards.

Vietnam Airlines is the national flag carrier of Vietnam, headquartered in Hanoi. It was founded in 1956 and operates flights to 64 destinations in 17 countries, including Asia, Europe, and Australia. The airline has a fleet of over 100 aircraft, including Airbus A350, Boeing 787, and Boeing 777. Vietnam Airlines is a member of the SkyTeam alliance and has codeshare agreements with several airlines, including Delta Air Lines, Air France, and KLM. The airline offers a range of services, including economy, premium economy, and business class, as well as cargo services. Vietnam Airlines is committed to providing safe, reliable, and comfortable air travel to its passengers.