The kingdom would construct a military zone and a nuclear waste dump between itself and Qatar.
The Trump administration's decision to back the Qatar blockade could have put U.S. troops' lives in danger, Senator Chris Murphy said.
Kushner Cos. reportedly solicited investment from Qatar for its troubled luxury tower at 666 Fifth Avenue in Manhattan.
Turkey and Iran, traditional foes, have established common ground in Iraq, Syria and Qatar as regional alliances shift.
Mounting tensions between Qatar and its neighbors spilled over in June, when Saudi Arabia, Egypt, the United Arab Emirates and Bahrain all cut diplomatic ties with Qatar.
Qatar has accused Saudi Arabia of deliberately making it difficult for its pilgrims to obtain permits to go to Mecca.
Seven of the Boeing 777s will fly Qatari pilgrims from Doha to Jeddah to attend the annual Hajj pilgrimage.
Saudi Arabia and allies Bahrain, Egypt and the United Arab Emirates have accused Qatar of funding terrorist groups abroad.
The closure of Al Jazeera in Jerusalem followed criticism by Israeli Prime Minister Benjamin Netanyahu.
The move would cost Abdullah the equivalent of $600,000 to fly between 1,200 and 1,600 pilgrims to Jeddah or Medina.
Saudi Arabia's foreign minister says Qatar asked his country to cede control of Islam's two holiest sites, but Qatar denies doing so.
The ongoing political crisis between Qatar and other Gulf states highlights one of the problems of long-term sexism.
The country's central bank holds $40 billion in reserves plus gold, while the Qatar Investment Authority has $300 billion more.
The president said things were getting "interesting" as a clock ticks on an ultimatum handed to Qatar by its GCC rivals.
Sheikh Mohammed bin Rashid Al Maktoum, the United Arab Emirates' prime minister and prince of Dubai, bashed Qatar in his latest Instagram verse.
Tehran claims the Saudi Arabian border guards opened fire on Iranian fishermen.
Until last week, Qatar had kept the peace on the border between the two African nations. Not any more.
Pakistan is refusing to take sides in the diplomatic dispute between Saudi Arabia and Qatar, but has agreed to take certain steps to defuse tensions.
The pariah state severed ties with Qatar on Monday. In response, Qatar has pulled troops from the Eritrea-Djibouti border.