McDonald’s Filet-O-Fish sandwich has long been a favorite for those seeking a seafood option on the go. This iconic sandwich features a crispy fish patty, creamy tartar sauce, and a soft bun. In this blog, we’ll dive into everything you need to know about the McDonald’s Filet-O-Fish: its price, nutrition facts, allergens, and answers to some frequently asked questions.

Table of Contents
What is the Filet-O-Fish?
The Filet-O-Fish is a popular seafood sandwich at McDonald’s. It features a wild-caught Pollock fish filet that’s breaded and fried to perfection, topped with a half slice of American cheese, and served on a steamed bun with McDonald’s signature tartar sauce. This sandwich offers a lighter alternative to McDonald’s beef options and has been a favorite for decades.
Ingredients in the Filet-O-Fish

Price of the Filet-O-Fish
The price of a McDonald’s Filet-O-Fish typically starts at around $5.49. However, prices may vary depending on location and can sometimes be found on special promotions or as part of a combo meal. Always check with your local McDonald’s for the most accurate and current pricing.
Nutritional Information
Here’s a breakdown of the nutrition you can expect in one Filet-O-Fish sandwich:
- Calories: 380 Cal
- Protein: 16g
- Total Carbohydrates: 38g (14% Daily Value)
- Dietary Fiber: 1g (5% DV)
- Total Sugars: 4g (including 4g of added sugars, 7% DV)
- Total Fat: 19g (24% DV)
- Saturated Fat: 4g (19% DV)
- Trans Fat: 0g
- Cholesterol: 30mg (10% DV)
- Sodium: 580mg (25% DV)
- Vitamin D: 0mcg (0% DV)
- Calcium: 60mg (4% DV)
- Iron: 2mg (10% DV)
- Potassium: 280mg (6% DV)
Note: Percent Daily Values (DV) are based on a 2,000-calorie diet.
Allergen Information
If you have any food allergies, it’s important to be aware of the ingredients in the Filet-O-Fish sandwich. Here’s a detailed look at each component and its allergens:
Fish Filet Patty
- Ingredients: Vegetable oil (corn oil, canola oil, soybean oil, hydrogenated soybean oil), wheat flour, modified food starch, and seasonings, Pollock, water.
- Contains: Fish (Pollock), Wheat, Milk.
Regular Bun
- Ingredients: Enriched flour (wheat flour, malted barley flour, niacin, reduced iron, thiamine mononitrate, riboflavin, folic acid), water, sugar, yeast, and various seasonings.
- Contains: Wheat.
- May Contain: Sesame.
Tartar Sauce
- Ingredients: Soybean oil, pickle relish, egg yolks, onions, vinegar, sugar, and spices.
- Contains: Egg.
American Cheese (Half Slice)
- Ingredients: Milk, cream, water, salt, cheese cultures, and soy lecithin.
- Contains: Milk, Soy.
Frequently Asked Questions (FAQs)
What kind of fish is McDonald’s Filet-O-Fish?
The fish used in McDonald’s Filet-O-Fish is wild-caught Alaskan Pollock, known for its mild flavor and flaky texture. McDonald’s sources this fish responsibly to ensure sustainability and quality.
What does McDonald’s Filet-O-Fish cost?
The Filet-O-Fish typically costs around $5.49, though prices can vary by location. For the latest pricing, check with your local McDonald’s or their app, as promotional deals or combo offers may affect the price.
Is the Filet-O-Fish gluten-free?
No, the Filet-O-Fish is not gluten-free. The bun and breaded fish patty both contain wheat, which is a source of gluten. McDonald’s offers some other menu items that may be gluten-free, so be sure to inquire in-store if you have dietary restrictions.
What ingredients are in the Filet-O-Fish?
The Filet-O-Fish is made from a wild-caught Pollock filet, topped with half a slice of American cheese, and served on a regular bun with tartar sauce. The sandwich does not contain artificial colors, flavors, or preservatives.
Does the Filet-O-Fish contain any preservatives?
McDonald’s Filet-O-Fish does not contain artificial preservatives. However, natural preservatives may be present to ensure the quality and freshness of the sandwich.
How should I reheat a Filet-O-Fish?
The best way to reheat a Filet-O-Fish is in an oven or toaster oven to keep the fish filet crispy. If you use a microwave, the bun and fish may become too soft. Reheating for a short time at a low temperature works best.
Is the fish in the Filet-O-Fish sustainably sourced?
Yes, McDonald’s uses wild-caught Alaskan Pollock that is sustainably sourced. The company has partnered with the Marine Stewardship Council (MSC) to ensure its fish supply is responsibly harvested.
Conclusion
The Filet-O-Fish is a delicious and unique choice on McDonald’s menu, offering a satisfying combination of crispy fish, creamy tartar sauce, and a soft bun. It’s a good option for those looking for an alternative to beef, but it’s essential to check the nutritional and allergen information if you have dietary restrictions. Next time you’re at McDonald’s, consider trying a Filet-O-Fish for a tasty and satisfying seafood option.