(Sorry, meant to post this in MR forum, but had two windows open, and put it in the wrong one.)

I'm flying a multi-segment ticket on Continental in March to be in a few cities. I'm already spending $500+ on the ticket, so I figured I would try to stretch it out and see how many miles I can get out of it. I've been putting each leg of the trip through the Expedia-Faremetrics-ITA routine, and most of the routings I tried double the price.

I figured I would throw this out there in case anyone was bored at work, and thought they might try to do better.

I'm going...

March 18 - Houston-Dallas (direct, no good way/want to expand this one)
March 21 - Dallas-Las Vegas (a stop in at least Houston, maybe more?)
March 23 - Las Vegas-Washington DC (IAD/DCA/BWI)
March 27 - Washington DC-Houston (IAD/DCA/preferably not BWI)

For the March 23 part I was able to expand for only a few dollars to leave Vegas around 6:50pm, and come back through Houston, where there is an overnight stop, but conveniently, I live in Houston.

Any other ideas for somewhere in the neighborhood of the $500-$600 price for more miles would be much appreciated.

Thanks!