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LongHorn French Onion Soup — Price, Calories & Nutrition 2026

10 min read · Updated June 15, 2026 · By LongHorn Menu Research Team
French Onion Soup at LongHorn Steakhouse with sides

Most people walking into LongHorn already have a short list in mind, and French Onion Soup is on a lot of those lists. Priced at $6.29 (Cup) with roughly 480 calories, it is a straightforward pick that does not need a sales pitch. Caramelized onions in rich beef broth topped with melted cheese. Below is our complete longhorn french onion soup guide — prices, nutrition, sides, pairings, and answers to the questions diners ask most.

LongHorn French Onion Soup Price

French Onion Soup prices
Size / Variant Price Calories Availability
Cup $6.29 480 cal Available

Prices verified quarterly. Regional variation may apply. See our price comparison tool for historical trends.

What Is French Onion Soup at LongHorn Steakhouse?

Caramelized onions in rich beef broth topped with melted cheese. LongHorn prepares it using the same fire-grilled, seasoned approach that defines the brand — consistent heat, bold flavor, and portions that match what you see on the menu.

At LongHorn, French Onion Soup works as a standalone item or as part of a larger meal. Pair it with entrees from our Salads & Soups category or browse the full menu for inspiration.

This item is not listed as gluten-free on the LongHorn menu. If you need gluten-sensitive options, check our gluten-free menu guide or ask your server about modifications.

Want to compare? Check related items like loaded potato soup and pick two soup salad. For the full category overview, visit Salads & Soups.

French Onion Soup Calories & Nutrition

French Onion Soup nutrition facts
Nutritional Element Amount
Calories 480 cal
Total Fat 28g
Saturated Fat 14g
Cholesterol 45mg
Sodium 1,280mg
Total Carbs 38g
Protein 14g

At 480 calories, French Onion Soup sits in a range that works for different dining goals. The 14g of protein makes it filling, while 28g of total fat reflects how the item is prepared and sauced.

If you are tracking macros, use our nutrition calculator to build a full meal with sides and drinks. For keto or low-carb dining, see our keto guide.

Prices and nutrition can vary slightly by location. We update this page quarterly — last reviewed June 2026.

Sides That Come With French Onion Soup

French Onion Soup is typically ordered as a side or add-on. Popular entrees that pair well include Flo's Filet, Renegade Sirloin, and Outlaw Ribeye.

Soup & Salad Pairings

LongHorn lets you start with soup or salad alongside your entree. Soup options include Loaded Potato Soup ($6.29), Shrimp & Lobster Chowder ($6.29), French Onion Soup ($6.29).

Salad choices include Mixed Greens Salad ($4.49), Caesar Salad ($4.49), Strawberry & Pecan Salad ($6.49). See our full salads & soups category for details.

Best Pairings for French Onion Soup

Best pairings for French Onion Soup
Pairing Why It Works Link
Outlaw Ribeye Classic steakhouse starter View →

How to Order French Onion Soup

To-go: You can order French Onion Soup for pickup through LongHorn's online ordering system. Visit our order online guide for step-by-step instructions.

Lunch hours: Most LongHorn locations serve lunch from 11:00 AM to 3:00 PM Monday through Friday. This item is available during both lunch and dinner service at most locations.

Best time to order: Weekday early evenings (4:30–5:30 PM) tend to have shorter waits. Weekends after 6 PM are busiest — consider a reservation via our reservations page.

Steak temperature: If you are pairing this with a steak, our steak temperature guide helps you pick the right doneness.

Compare Similar Items

Not sure French Onion Soup is the right pick? Compare it with Loaded Potato Soup, Pick Two Soup Salad. Each page includes full pricing, calories, and pairings so you can decide before you sit down.

For a broader view, our what to order guide ranks the best value items across the entire menu.

Frequently Asked Questions

French Onion Soup is caramelized onions in rich beef broth topped with melted cheese. It is part of the Salads & Soups section on the LongHorn menu.
French Onion Soup starts at $6.29. Prices may vary slightly by location.
French Onion Soup contains approximately 480 calories. See the nutrition table above for full fat, protein, and sodium details.
No — French Onion Soup is not listed as gluten-free on the LongHorn menu. See our gluten-free guide for safe options.
Entrees like steaks and combos include a choice of side such as mashed potatoes, broccoli, fries, or rice pilaf. Premium upgrades include asparagus, mac & cheese, and Brussels sprouts for $3.99.
We recommend Outlaw Ribeye — Classic steakhouse starter.
Yes. French Onion Soup is available for pickup and delivery at most LongHorn locations through their online ordering platform.
French Onion Soup is available during both lunch and dinner at most LongHorn locations.
At $6.29, French Onion Soup offers solid value within the Salads & Soups category. Compare with related items on this page to find the best fit for your budget.
LongHorn offers military discounts on select days. See our military discount guide for current offers.

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