Preheat the oven to 400F and line a baking sheet with parchment paper.
Place Alaska salmon fillets on the baking sheet and brush them with olive oil.
Sprinkle salt, pepper and dried oregano on the fillets and squeeze half a lemon on them.
Bake in the oven for 20 minutes until cooked and flaky.
Meanwhile, place the lettuce, tomatoes, cucumbers, sliced onion and kalamata olives on the large serving plate.
Make the salmon salad dressing by mixing lemon juice, olive oil, salt, dill, minced garlic and red pepper flakes in a small bowl.
Place the cooked salmon on the salad and drizzle the lemon dill dressing on the salad.