INDIANAPOLIS (AP) — The U.S. Department of Transportation is giving grants of $750,000 to South Bend Regional Airport and $500,000 to Evansville Regional Airport to improve airline service.

The South Bend airport will use its grant and $475,000 in additional funds to establish roundtrip flights to Denver via Frontier Airlines. The Evansville airport will use its grant and $100,000 in additional funds to provide guaranteed revenue to AirTran Airways to establish low-fare service to the airline's Baltimore/Washington hub.

Evansville and South Bend were among 29 communities across the country receiving a total of $15 million from the Small Community Air Service Development Program.