Even if Singapore Airlines weren't a great airline, these fares would be enticing.
From their just-in press release:
Singapore Airlines makes seeing the world's most exciting cities even more affordable with today's launch of "The World at Exceptional Values" fares, offering Economy Class travel to 35 destinations in Europe, Australia and Asia from $599 round-trip, inclusive of all taxes, fees and fuel surcharges.
$599 fares are valid for flights from the U.S. to Moscow, Frankfurt, Tokyo, Hong Kong and Seoul.
$699 fares are available for flights from U.S. gateways to Singapore, Bangkok, Ho Chi Minh City, Jakarta, Manila, Hanoi, Penang, Brunei, Kuala Lumpur and Bali.
$899 fares are valid for flights to all Singapore Airlines' destinations in Australia, India and Pakistan, including Ahmedabad, Bangalore, Chennai, Colombo, Dhaka, Hyderabad, Kolkata, Mumbai, Delhi, Thiruvananthapuram, Coimbatore, Kochi, Lahore, Karachi, Kathmandu. Australian destinations include Adelaide, Sydney, Brisbane, Melbourne and Perth.
Singapore Airlines' "World at Exceptional Values" fares are valid for Economy Class travel originating at the carrier's U.S. gateways in Los Angeles, San Francisco, Houston and New York (JFK only). Fares must be booked by June 28, 2009, and are valid for outbound travel from July 1 through November 30, 2009. All travel must be completed by January 31, 2010. Seats are limited, and fares may not be available on all flights or days.