Flight Karlovy Vary - Ostrava prices from £145.58

Air Moldova is the national airline of Moldova, headquartered in Chisinau. It was founded in 1993 and operates scheduled flights to destinations in Europe, Russia, and the Middle East. The airline's fleet consists of Airbus A319 and Embraer E190 aircraft. Air Moldova offers both economy and business class seating options, as well as a frequent flyer program called "Club One". The airline has codeshare agreements with several other airlines, including Turkish Airlines and Air France. Air Moldova is committed to providing safe and reliable air transportation services to its passengers, and has received several awards for its customer service.

AirBaltic is a Latvian low-cost airline that operates flights to over 70 destinations in Europe, the Middle East, and Asia. The airline was founded in 1995 and has since grown to become the largest airline in the Baltic region. AirBaltic operates a fleet of modern Airbus A220-300 aircraft, which are known for their fuel efficiency and environmental friendliness. The airline offers a range of services to its passengers, including online check-in, in-flight entertainment, and a loyalty program. AirBaltic is committed to sustainability and has set a goal to become the world's most environmentally friendly airline.

S7 Airlines is a Russian airline headquartered in Novosibirsk. It is the second-largest airline in Russia and operates flights to over 150 destinations in 30 countries. The airline was founded in 1957 as Tolmachevo United Squadron and was later renamed Sibir Airlines. In 2005, the airline rebranded as S7 Airlines and has since expanded its fleet and route network. S7 Airlines is a member of the global airline alliance oneworld and has codeshare agreements with several other airlines. The airline has won numerous awards for its service and safety, including being named the Best Airline in Russia and the CIS at the Skytrax World Airline Awards.

Turkish Airlines is the national flag carrier airline of Turkey, headquartered in Istanbul. It operates scheduled flights to over 300 destinations in Europe, Asia, Africa, and the Americas, making it one of the largest airlines in the world by number of destinations served. Turkish Airlines has won numerous awards for its service, including "Best Airline in Europe" six years in a row from 2011 to 2016. The airline operates a modern fleet of over 350 aircraft, including Airbus A320s, A330s, A340s, A350s, and Boeing 737s, 777s, and 787s. Turkish Airlines is a member of the Star Alliance, the world's largest airline alliance.

Ural Airlines is a Russian airline based in Yekaterinburg, Russia. It was founded in 1943 as Sverdlovsk State Air Enterprises and later renamed to Ural Airlines in 1993. The airline operates scheduled domestic and international flights to destinations in Europe, Asia, and the Middle East. It has a fleet of over 40 aircraft, including Airbus A320s, A321s, and A319s. Ural Airlines is known for its low-cost flights and has won several awards for its service, including the Skytrax award for Best Regional Airline in Russia and CIS in 2019. The airline is a member of the International Air Transport Association (IATA) and the Association of European Airlines (AEA).

Wizz Air is a low-cost airline based in Hungary that operates flights to destinations across Europe, the Middle East, and North Africa. Founded in 2003, the airline has grown rapidly and now operates a fleet of over 100 aircraft, serving more than 150 destinations in 44 countries. Wizz Air is known for its no-frills approach to air travel, offering low fares and charging extra for additional services such as checked baggage and in-flight meals. The airline has a strong focus on efficiency and cost control, allowing it to offer some of the lowest fares in the industry.