Port of Subs under 400 calories: 75 orders, ranked

Of the 197 single orders we track at Port of Subs, 75 come in at or under 400 calories — 38%. The most protein in one item under 400 is the Grilled Chicken Caesar Salad, 37 g for 260 calories; the most filling by protein and fiber per calorie is the Grilled Chicken Spinach Salad (35 g protein, 3 g fiber, 230 cal). 58 entrées fit under 400; 108 do not.

Source: Port of Subs nutrition guide (official) · Data refreshed October 16, 2026

• 75 orders under 400
• 37g most protein in one item
• 39g protein in a full meal
• 108 entrées over 400

As of October 2026, 75 of the 197 Port of Subs single orders we track come in at or under 400 calories, and the most protein in a complete Port of Subs meal under 400 is 39 g (A Grilled Chicken Caesar Salad, a bag of Baked Lay's BBQ, and a 21-ounce Coca-Cola Zero Sugar).

Three complete Port of Subs meals under 400 calories

Under 400, the most-protein meal is built on the Grilled Chicken Caesar Salad (260 cal), which leaves 140 calories for its sides and drink. One meal-sized entrée, up to two different sides and a drink — the MinMax app's meal and the best under the cap, drink included (water only where no published drink fits; the lightest meal takes a zero-calorie drink, or water). The lightest meal is unchanged from under 300; the others use the extra 100 calories.

Build your own Port of Subs order under 400 calories → Swap any item, add a side, share the link.

Every Port of Subs order under 400 calories, ranked by protein

Single orders only — no desserts, kids' meals, combos, sauces or toppings — by grams of protein, then calories. The median order under 400 is 300 calories and 58 of the 75 are entrées. Figures as Port of Subs published them, rounded to whole numbers (how we check them).

What 400 calories buys at Port of Subs

Going from 300 to 400 calories adds 37 orders: Classic Sub #14 - Lettuce Wrap (310), Classic Sub #3 - Lettuce Wrap (320), Classic Sub #4 - Lettuce Wrap (320), Fritos (320), Classic Sub #14 - Salad (330), Classic Sub #16 - Lettuce Wrap (340), Classic Sub #3 - Salad (340) and Classic Sub #4 - Salad (340) and 29 more.

What doesn't fit under 400

108 of 166 Port of Subs entrées are over 400 calories; the lightest of them, the Classic Sub #1 - Salad, misses by 10 calories at 410. With more room, see Port of Subs under 500. Tighter budget: Port of Subs under 300. Closest misses: Classic Sub #1 - Salad (410), Classic Sub #6 - Lettuce Wrap (410), Classic Sub #12 (Small) (420), Classic Sub #17 - Lettuce Wrap (420) and Classic Sub #6 - Salad (420).

More at Port of Subs

• Port of Subs calories & nutrition (394 items listed)
• Port of Subs under 300 calories (38 orders)
• Port of Subs under 500 calories (90 orders)
• Port of Subs under 600 calories (113 orders)
• High-protein Port of Subs orders (100 items)
• Port of Subs calorie calculator (build an order under your cap)

Under 400 calories at other chains

The same cap at 3 Subs & sandwiches chains, or the cross-chain pillar: fast food under 400 calories.

• Capriotti's under 400
• QuikTrip under 400
• Sheetz under 400