Sticking with the cash and miles combination theme, Virgin flying club members can jet from New York/Newark or Boston to London anytime between Oct. 1 and Dec. 12 for $199 and 5,000 miles (promotion code XLFCMM). The price climbs to $299 for travel in September (XHFCMM).
From Washington, Miami or Orlando to London the fare is $349 for September travel and $249 for flights from Oct. 1 to Dec. 12. From Los Angeles or San Francisco the fare to London is $449 for the month of September and $349 from Oct. 1 to Dec. 12.
Of course, you cannot earn miles with this offer. You might even find it worth your while to scout out the cheap fares and hold onto your miles. The minimum stay is one Saturday night and the maximum stay is one month.