EXHIBIT 23.1 CONSENT OF INDEPENDENT AUDITORS We hereby consent to the incorporation by reference in the Registration Statements on Form S-3 (File Nos. 333-85522, 333-74276, 333-69664 and 333-31758) and Form S-8 (File Nos. 333-21113, 333-68757, 333-40396, 333-67010, and 333-82340) of ViaSat, Inc. of our report dated June 18, 2003 relating to the financial statements and financial statement schedule, which appears in this Form 10-K. PricewaterhouseCoopers LLP San Diego, California June 30, 2003