Originally Posted by
forextrader
Also consider the Starwood AMEX card - this gets you 1 point per $ - but one of the options on this card is you can convert points to airline miles (just confirm UA is part of the program). BUT YOU GET A BONUS: for every 20000 points you transfer for miles, you get an added 5000 miles.
Starwood is not a good choice for United or Continental redemptions. Both airlines are part of the program, but the transfer rate is 2:1 and you will need to spend $40,000 to receive 25,000 miles.
However, Starwood does transfer to Lufthansa $20,000 = 20,000 Starpoints = 25,000 miles.