Burger Kings in the area local(ish) to Kings Dominion (which is located 25 mi. north of Richmond/75 mi. south of Washington, D.C. off I-95) have a discount coupon good for $15 off if you get your ticket at the park or you can use this promo code to get a discount of $20 per ticket (full-price regular single day general admit for 48" or taller in shoes): BURGERKING Enter the promo code in the promo code window when buying tickets at kingsdominion.com.
If you get the coupon slip from Burger King, you can use it for up to six admissions. The above promo code and coupon slips are valid through 7/5/2013 only.