You may have tried to upload a .wlmp project file, which isnât supported by YouTube. Convert the project to a .wmv file to fix the problem. 1  Open Windows Live Movie Maker and click the File menu. 2  Select Save Movie. 3  Select Recommended for this project.  Choose a place to save the movie, then click Save.
find a flight to Costa Rica. The total flight duration from Boston, MA to Costa Rica is 5 hours, 13 minutes. This assumes an average flight speed for a commercial airliner of 500 mph, which is equivalent to 805 km/h or 434 knots. It also adds an extra 30 minutes for take-off and landing.
Cheap Flights from Boston, MA to Liberia, Costa Rica. Now is a good time to buy! Prices from Boston to Liberia have recently dropped by 27%. Price Drop 27%. We track the prices of flights between all major cities searched by priceline customers. We recently saw a change in prices for the route you searched. Compared to the average cost of a ticket in the past, prices are now up to 27% lower. best days to fly from Boston, MA (BOS) to Liberia, Costa Rica (LIR)