Halászbástya is the most popular place of interest in Hungary. Many travelers make it a point to stop there while traveling to Hungary. Other popular landmarks and places of interest in Hungary would be Belvárosi Plébániatemplom, Nepliget, or Puskás Aréna.
Flying into Budapest Airport is typically the best way to visit Halászbástya, since it is the closest airport to the area.
The cheapest flights to Hungary recently found by momondo users are $14 with Ryanair, $23 with Wizz Air, and $27 with easyJet.
As of September 1, the Government of Hungary has reintroduced border protection measures in force during the first wave of COVID-19. Hungary has restricted the entry to most foreign travelers starting from September 1, except Hungarian nationals, residents, military, diplomatic, humanitarian, transit flights and foreign nationals attending or participating in some sports events. Travelers with a residence permit issued by Hungary with validity for at least 90 days may enter Hungary. Travelers are subject to medical screening and quarantine for 14 days. Foreign nationals may enter Hungary to attend international sporting or cultural events, but must leave within 72 hours of arrival. Travelers must present proof that the purpose of travel is to attend and international sporting or cultural event. Travelers arriving from Schengen Zone, the US or Canada must present two negative COVID-19 tests within 5 days of arrival but at least 48 hours apart. Travelers are subject to a temperature check on arrival but are not subject to quarantine measures. Foreign nationals arriving to Hungary for business and trade related purposes may enter the country without the need to show a negative test results, nor any time limit on their stay. On entry, travelers must present proof of an essential business requirement for entering Hungary, e.g. an official letter from your company that includes contact details for verification purposes, or an invitation to a business event. Travelers are subject to a temperature check on arrival but are not subject to quarantine measures. Travelers transiting through Hungary must provide proof that entering the border is for the purpose of traveling directly to another destination outside Hungary; state the reason for travel and provide proof that they are able to transit to their final destination, for example a hotel reservation or proof of address in another country, a travel ticket, or similar evidence. If you are planning to travel to Hungary at this time, it is recommended that you stay up to date on current restrictions and follow proper safety measures while in public.