Flight Kolkata - San Francisco, CA prices from $1,461.38

Air Canada is the largest airline in Canada, providing scheduled and charter air transportation for passengers and cargo to over 200 destinations worldwide. The airline operates a fleet of over 400 aircraft, including narrow-body and wide-body jets, and serves both domestic and international routes. Air Canada is a member of the Star Alliance, a global airline network that provides passengers with access to over 1,000 destinations in 190 countries. The airline offers a range of services, including in-flight entertainment, Wi-Fi, and a loyalty program called Aeroplan. Air Canada is headquartered in Montreal, Quebec, and has hubs in Toronto, Vancouver, and Calgary.

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 is the flag carrier airline of India, headquartered in New Delhi. It was founded in 1932 and is the third-largest airline in India, operating both domestic and international flights. Air India has a fleet of over 100 aircraft and serves more than 90 destinations worldwide. The airline is known for its Maharaja mascot and its distinctive red and white livery. Air India has faced financial difficulties in recent years, with the Indian government announcing plans to privatize the airline in 2018. Despite these challenges, Air India remains an important player in the Indian aviation industry.

Air New Zealand is the national airline of New Zealand, headquartered in Auckland. It operates scheduled passenger flights to 20 domestic and 31 international destinations in 19 countries, including Australia, the Pacific Islands, Asia, North America, South America, and the United Kingdom. The airline has a fleet of over 100 aircraft, including Boeing 787 Dreamliners, Airbus A320s, and ATR 72s. Air New Zealand is known for its innovative marketing campaigns, award-winning in-flight service, and commitment to sustainability. It is a member of the Star Alliance, a global airline alliance that includes 26 airlines.

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 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.

Alaska Airlines is a major American airline headquartered in Seattle, Washington. It was founded in 1932 and operates a fleet of over 300 aircraft, serving more than 115 destinations across the United States, Canada, Mexico, and Costa Rica. Alaska Airlines is known for its commitment to customer service, on-time performance, and sustainability initiatives. It is a member of the Oneworld airline alliance and has codeshare agreements with several other airlines. Alaska Airlines offers a variety of travel classes, including First Class, Premium Class, and Main Cabin, as well as a loyalty program called Mileage Plan.

British Airways is the flag carrier airline of the United Kingdom, headquartered in London. It is one of the largest airlines in Europe and operates flights to over 180 destinations worldwide. The airline was founded in 1974 and has since grown to become a major player in the aviation industry. British Airways is known for its high-quality service, comfortable seating, and extensive route network. The airline operates a fleet of over 250 aircraft, including the Airbus A380 and Boeing 787 Dreamliner. British Airways is a member of the Oneworld airline alliance and has codeshare agreements with several other airlines.

EVA Air is a Taiwanese airline that was founded in 1989. It is a member of the Star Alliance and operates a fleet of over 70 aircraft to more than 60 destinations worldwide. EVA Air is known for its high-quality service, with a focus on comfort and luxury. The airline offers a range of cabin classes, including Royal Laurel Class, Premium Laurel Class, and Economy Class. EVA Air is also known for its Hello Kitty-themed flights, which feature special amenities and decorations. The airline has won numerous awards for its service, including the Skytrax 5-Star Airline award.

Fly Emirates is the national airline of the United Arab Emirates (UAE) and one of the largest airlines in the world. It operates over 3,600 flights per week to more than 150 destinations in over 80 countries. The airline is known for its luxurious amenities, including private suites, gourmet dining, and in-flight entertainment. It is also a major sponsor of sports teams and events, including football clubs such as Real Madrid and Arsenal, as well as the ATP tennis tour. Fly Emirates has won numerous awards for its service, including being named the World's Best Airline by Skytrax in 2016.

Etihad Airways is the national airline of the United Arab Emirates, based in Abu Dhabi. It was founded in 2003 and has since grown to become one of the world's leading airlines, with a fleet of over 100 aircraft and a network of more than 80 destinations worldwide. Etihad Airways is known for its luxurious and innovative products and services, including its award-winning First and Business Class cabins, in-flight entertainment, and dining options. The airline is also committed to sustainability and has implemented various initiatives to reduce its environmental impact, such as investing in fuel-efficient aircraft and reducing single-use plastics on board.

Hawaiian Airlines is the flag carrier airline of Hawaii, headquartered in Honolulu. It was founded in 1929 and operates flights to Asia, Australia, New Zealand, Hawaii, and the United States mainland. The airline has a fleet of Airbus A321neo, A330-200, and Boeing 717-200 aircraft. Hawaiian Airlines offers a frequent flyer program called HawaiianMiles, which allows members to earn and redeem miles for flights, hotel stays, car rentals, and more. The airline is known for its hospitality and in-flight amenities, including complimentary meals, drinks, and entertainment. Hawaiian Airlines is committed to sustainability and has implemented various initiatives to reduce its environmental impact.

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.

Jin Air is a South Korean low-cost airline that was established in 2008. It is a subsidiary of Korean Air and operates both domestic and international flights to destinations in Asia, including China, Japan, the Philippines, and Thailand. Jin Air's fleet consists of Boeing 737-800 and 737-400 aircraft, and it offers a range of services to its passengers, including in-flight meals, entertainment, and Wi-Fi. The airline has won several awards for its service, including the Best Low-Cost Carrier award at the 2019 Korea Travel Awards. Jin Air is committed to providing affordable air travel to its customers while maintaining high safety standards.

Korean Air is the largest airline and flag carrier of South Korea, headquartered in Seoul. It operates a vast network of domestic and international flights to over 125 destinations in 43 countries. The airline is a founding member of the SkyTeam alliance and has codeshare agreements with several other airlines. Korean Air offers a range of cabin classes, including First Class, Prestige Class (Business Class), and Economy Class, and provides various in-flight services such as entertainment, dining, and duty-free shopping. The airline has won numerous awards for its service quality, safety, and sustainability initiatives.

Lucky Air is a Chinese low-cost airline based in Kunming, Yunnan province. It was founded in 2004 and is a subsidiary of the Hainan Airlines Group. The airline operates domestic and international flights to destinations in Asia, including Thailand, Vietnam, and Japan. Lucky Air has a fleet of over 50 aircraft, including Airbus A320s and Boeing 737s. The airline has won several awards for its service, including the "Best Low-Cost Airline" award at the 2018 World Airline Awards. Lucky Air aims to provide affordable air travel to customers while maintaining high safety standards and quality service.

Lufthansa is a German airline and one of the largest airlines in Europe. It was founded in 1953 and operates flights to over 200 destinations worldwide. Lufthansa is a member of the Star Alliance, which is the world's largest airline alliance. The airline has a fleet of over 300 aircraft, including Airbus and Boeing planes. Lufthansa offers a range of services to its passengers, including in-flight entertainment, Wi-Fi, and a frequent flyer program called Miles & More. The airline is known for its high-quality service and has won numerous awards for its customer satisfaction and safety standards.

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.

Malindo Air is a Malaysian airline that was founded in 2013. It is a joint venture between Malaysia's National Aerospace and Defence Industries and Indonesia's Lion Air. The airline operates both domestic and international flights to destinations in Asia, Australia, and the Middle East. Malindo Air's fleet consists of Boeing 737 and ATR 72 aircraft, and it offers three classes of service: economy, business, and premium economy. The airline has won several awards for its service, including the Skytrax World Airline Awards for Best Low-Cost Airline in Asia in 2019. Malindo Air is committed to providing safe, reliable, and affordable air travel to its passengers.

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.

Shandong Airlines is a Chinese airline based in Jinan, Shandong province. It was founded in 1994 and operates both domestic and international flights. The airline has a fleet of over 100 aircraft, including Boeing 737s and 767s, and serves more than 60 destinations in China and abroad. Shandong Airlines is a member of the SkyTeam alliance and has codeshare agreements with several other airlines. The airline has won several awards for its service, including the "Best Regional Airline in China" award at the 2019 World Airline Awards.

Singapore Airlines is the flag carrier airline of Singapore, operating a fleet of modern aircraft to destinations across the globe. Founded in 1947, the airline has a reputation for exceptional service, luxurious amenities, and a commitment to safety. Singapore Airlines offers a range of travel classes, including Suites, First Class, Business Class, Premium Economy Class, and Economy Class, each designed to provide passengers with a comfortable and enjoyable travel experience. The airline is a member of the Star Alliance network, which allows passengers to earn and redeem frequent flyer miles across a wide range of airlines and travel partners.

SpiceJet is an Indian low-cost airline headquartered in Gurgaon, India. It was founded in 2005 and operates flights to over 60 destinations within India and internationally. The airline has a fleet of Boeing and Bombardier aircraft and offers a range of services including in-flight meals, entertainment, and baggage allowances. SpiceJet has won several awards for its services, including the Best Low-Cost Airline in Central Asia and India at the Skytrax World Airline Awards. The airline has also been recognized for its commitment to sustainability and has implemented several eco-friendly initiatives to reduce its carbon footprint.

SriLankan Airlines is the national carrier of Sri Lanka, headquartered in Colombo. It operates flights to over 100 destinations in 47 countries, including Asia, Europe, the Middle East, and Australia. The airline was founded in 1979 and was initially known as Air Lanka. It was later rebranded as SriLankan Airlines in 1998. SriLankan Airlines is a member of the Oneworld airline alliance and has codeshare agreements with several other airlines. The airline operates a fleet of Airbus A320, A321, A330, and A350 aircraft. SriLankan Airlines has won several awards for its service, including the World Travel Awards for Asia's Leading Airline in 2017.

Thai Airways is the national flag carrier airline of Thailand, headquartered in Bangkok. It was founded in 1960 and operates a fleet of over 80 aircraft, serving more than 80 destinations in 37 countries. Thai Airways is a member of the Star Alliance and has codeshare agreements with several other airlines. The airline offers a range of classes, including Royal First Class, Royal Silk Class, and Economy Class. Thai Airways is known for its high-quality service, including its in-flight meals and entertainment options. The airline has won numerous awards for its service, including the Skytrax World Airline Awards for Best Economy Class Onboard Catering and Best Airline Lounge Spa Facility.

United Airlines is a major American airline headquartered in Chicago, Illinois. It is one of the world's largest airlines, operating a comprehensive domestic and international network of flights. United Airlines operates a fleet of over 800 aircraft, serving more than 350 destinations in over 50 countries. The airline is a founding member of the Star Alliance, which is the world's largest airline alliance. United Airlines offers a range of services to its passengers, including in-flight entertainment, Wi-Fi, and a loyalty program called MileagePlus. The airline has a strong commitment to sustainability and has implemented various initiatives to reduce its environmental impact.

VietJet Air is a low-cost airline based in Vietnam. It was founded in 2007 and began operations in 2011. The airline operates both domestic and international flights to destinations in Asia, including Thailand, Singapore, South Korea, Japan, and China. VietJet Air has a fleet of modern aircraft, including Airbus A320s and A321s. The airline is known for its affordable fares and has become a popular choice for budget-conscious travelers. VietJet Air has won several awards for its service, including the "Best Ultra Low-Cost Airline" award at the 2019 World Travel 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.