Flight Valencia - Asahikawa prices from $1,098.88

Air Do is a Japanese airline that operates domestic flights within Japan. The airline was established in 1996 and is based in Sapporo, Hokkaido. Air Do operates a fleet of Boeing 737 aircraft and serves destinations such as Tokyo, Osaka, and Fukuoka. The airline's name is derived from the Hokkaido dialect, where "air" means "love" and "do" means "way". Air Do aims to provide a comfortable and convenient travel experience for its passengers, with a focus on safety and reliability. The airline also offers a frequent flyer program called "Mileage Do" for its loyal customers.

Asiana Airlines is a South Korean airline that was founded in 1988. It operates both domestic and international flights to over 90 destinations across Asia, Europe, North America, and Oceania. Asiana Airlines is a member of the Star Alliance, which is the world's largest airline alliance. The airline has won numerous awards for its service, including the Skytrax 5-star rating for 12 consecutive years. Asiana Airlines is known for its comfortable seating, in-flight entertainment, and high-quality meals. The airline also offers a frequent flyer program called Asiana Club, which allows members to earn and redeem miles for flights, upgrades, and other benefits.

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.

Czech Airlines is the national airline of the Czech Republic, based in Prague. It was founded in 1923 and is one of the oldest airlines in Europe. Czech Airlines operates flights to over 50 destinations in Europe, Asia, and the Middle East, with a focus on connecting Prague to major cities around the world. The airline is a member of the SkyTeam alliance and offers a range of services to its passengers, including in-flight entertainment, Wi-Fi, and a loyalty program. Czech Airlines has a fleet of modern aircraft, including Airbus A319, A320, and A321, as well as ATR 72 turboprops.

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.

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.

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.

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.