Flight
The cheapest/best airport to fly into is typically SLC. It's about an hour north of Provo.
Train
FrontRunner is UTA’s commuter rail line. It runs 89 miles through Weber, Davis, Salt Lake and Utah counties. Along the line, you can hop on or off at 16 different stations including: Pleasant View, Ogden, Roy, Clearfield, Layton, Farmington, Woods Cross, North Temple, Salt Lake Central, Murray Central, South Jordan, Draper, Lehi, American Fork, Orem and Provo