Originally Posted by canuck_traveler

I don't think you can mix and match.

If you fly two trips to JNB on Virgin Atlantic on the Economy Delight fares, that will get you about 10,000 MQDs You would be able to do it on either the May 4, 11, 18 or 25 weekends with an immediate turn around in JNB (about 12 hours in JNB). Bookable on the Virgin Atlantic website at $1132 per trip.

IAD-SIN is $906 on May 21 (23 hours in SIN) and will get you about 20,000 MQMs. Bookable on Delta.