Sonic Drive-In Happy Hour: Extra 50% off drinks & slushees from 2pm to 4pm
This May, Sonic Drive-In has a special offer for all customers: For a limited time, visit your nearest Sonic Drive-In and get an extra 50% off drinks and slushees! No coupon is needed for this promotion. This offer is valid during Happy Hour only (2 – 4 pm). Terms and conditions may apply. Visit Sonic Drive-In for more details.