FIFA 18 is on sale for PS4 and Xbox at Microsoft Store and PlayStation Store. Best deal is on standard edition where is current lowest trending price is $40 at Gamestop.
Additional savings if you have Xbox Live gold.
Xbox $30 ($24 for Xbox live gold)
Xbox $40 ($32 for Xbox live gold)
Xbox $59.99 ($50 for Xbox live gold)
Purchase from Target, ask them to price match Walmart for $39.82
Use target 30% off coupon via cartwheel.(only valid on 30Dec for all sport games by EA)
The total would come to ~$30
Use below thread for more info
FIFA 18 for Nintendo Switch $30 at Target B&M