Connect from Los Angeles, San Francisco, and a string of other US cities to Salt Lake City International airport from where shuttles run regularly to Snowbird.
The resort is 40km from SLC. Take I-80 east to I-215 south. Take Exit 6 (6200 South) and go east on 6200 South, toward the mountains. This road will lead you straight to UT-210 and up Little Cottonwood Canyon to Snowbird.
When driving from Salt Lake City, drive west on 500 South to I-15 and head south. Exit at I-215 heading east. Get off at Exit 6 (6200 South) and follow the directions above.