Sea & Air Combined Services Sea & Air combination is an intermodal transport system that combines the advantages of air and ocean freight. It combines all the economic benefits of ocean and the speed of air freight. The only priorities are your priorities. You tell us the starting point and the destination; we'll find the best route for your budget and speed requirements. The benefits: Economical link to global markets Combines the advantages of air and ocean freight Keeps your deadlines while reducing freight costs By exploiting the synergies of air and ocean freight, you can transport your goods at up to half the transit time of ocean freight and half the cost of air freight.