Marché de la Villette - $$ - Lovely French bistro in the Old Port. Get a sandwich with a soup for a reasonable price.
Burgers
Five Guys - $$$ - Renowned design-your-own-burger chain. Large patties.
Cafe
Cafe 410 - $ - A simple cafeteria style restaurant with 3 meals of the day and a selection of sandwiches. Adding salad or soup will increase your costs to the $$ range.
Nouilles de Lan Zhou - $$ - Amazing chinese soups made with homemade noodles. Always a big line, ordering online and picking it up is recommended.
Qing hua - $$ - Best chinese soup dumplings in Montreal.
Japanese
Hanzo - $$ - An Izakaya (tapas) style restaurant with good portions, eat-in or takeaway (depending on menu choice, you might need to provide a container)
Marusan Comptoir Japonais - $$ - Eat in or takeaway, this small Japanese restaurant serves up delicious food at an affordable price.
Pizza
New-Yorkaise - $ - New York-style pizza in Griffintown. Expect about 4$ for a big slice of pizza.
Pizzeria No.900 - $$ - Good Neapolitan pizza. At lunch time, they have a special combo where for an extra dollar you get a small salad. You can call to place an order for pick up.
Slice + Soda - $$ - Hip restaurant offering New York-style pizzas & creative sodas in vintage-inspired digs.
Pub
Brit & Chips - $$ - Traditional and re-invented fish & chips meals. Very generous portions.
Sandwiches
Bello Deli - $$ - Compact, modern deli crafting unique panini, pasta dishes & salads, plus espresso drinks & sweets.