Orban's win looks set to prolong Budapest's fractious, confrontational relationship with the EU.
Over 5 million people cast their votes to elect 199 members of parliament
Hungarian Prime Minister Viktor Orban returned to power in 2010 with a two-thirds parliamentary majority that allowed him to rewrite the election rules.
Orban has clashed with EU institutions over his moves to clamp down on civil society and his fiery anti-immigration rhetoric, but he has drawn plaudits from other nationalist politicians and those on the far-right who look to him as an inspiration.
Hungary supports Turkey’s EU accession process, says Hungarian Ambassador Gabor Kiss
The NGO Transparency International disagrees. In its latest world corruption perceptions index, based on surveys by experts, Hungary languished at the bottom of the EU countries surveyed, with only Bulgaria judged more corrupt.
Hungarian authorities only allow approximately 7-8 asylum applications per week, says UN official
The move underscores the EU's toughening stance toward both the government of Hungarian Prime Minister Viktor Orban and his right-wing allies in Poland over the bloc's democracy norms and migration.
Refugee protection and security can be accomplished at the same time, says UN high commissioner for refugees
"Hungary is a European Union member, so the bloc's treaties must be respected and the court's rulings must be acknowledged," the populist leader said in a radio interview.
European Court of Justice dismisses Slovakia, Hungary's case against relocating of asylum seekers
"In the interest of Europe and in the spirit of the old Hungarian-Polish friendship, the inquisition campaign against Poland can never lead to success," Orban said during a visit in Romania.
"An unidentified male called to say that he had placed a bomb on an international train travelling through Hungary," police said in a statement.
The move came hours after the government of Prime Minister Viktor Orban said it would end a poster campaign attacking Soros that has been accused of anti-Semitism.
Hungarian investors should benefit from incentives in order to achieve bilateral trade target, says Turkish PM
Hungarian PM says refugees should be moved "out of Europe"
A new law, passed by 130 votes to 44, will force groups receiving more than 24,000 euros ($26,000) annually in overseas funding to register as a "foreign-supported organisation", or risk closure for non-compliance.
A crowd estimated at 10,000 people by local media waved European Union flags and chanted "Democracy! Freedom for Hungary!" as they made their way toward the parliament building, escorted by police cars.
Hungary's foreign ministry said Timmermans "should resign from his post after having accused Hungary's Prime Minister and the country's government of anti-Semitism".
"Hungary is defending its border, and the Schengen zone at the same time," Karoly Kontrat, an interior ministry state secretary, told a press conference in Roszke beside the fence on Hungary's southern frontier.
A higher education bill fast-tracked through parliament on April 5 has been widely seen as directly targeting the Central European University (CEU), founded by US billionaire George Soros in 1991.