Restaurant

Flash Burger

Name: Flash Burger
Address: 9221 Rue de Grosbois, Montreal, QC, H1K 4N6, CA
Telephone: +1-4383803738
Price range: $ & $$
Rating: 4.5

Mercier-Hochelaga-Maisonneuve

$ & $$

CLOSEDOpens Today at 5:30 pm

Monday	5:30 pm - 3 am
Tuesday	5:30 pm - 3 am
Wednesday	5:30 pm - 3 am
Thursday	5:30 pm - 3 am
Friday	5:30 pm - 3 am
Saturday	5:30 pm - 3 am
Sunday	5:30 pm - 3 am

Burgers Sandwiches

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9221 Rue de Grosbois, Montreal, H1K 4N6

Mercier-Hochelaga-Maisonneuve

(438) 380-3738

Amenities, services & more

Delivery Online Ordering Parking Available Takeout Available

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Reviews for Flash Burger

Food

Service

on Google4.5 (200+)

*as of 2026-03-01

4.5 149 ratings

5★

76%

4★

3★

2★

10%

1★

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Reviews often mention

Display All burger(28) halal(9) prix(6) conseille(4) boisson(4) poutine(4) sauce(3) propre(3) taco(3) qualite(3) frite(3) chicken(3)

Review Summary

Across reviews Flash Burger is praised for juicy burgers with melted cheese, bold sauces, and generous portions at a good price, with the experience often centering on a warm bag, a lingering savory aroma, and a moment to slow down and enjoy the meal. The menu variety stands out, including halal options, gourmet smash burgers, classics, and sides like tacos and poutine, with the tacos frequently highlighted as a standout choice and the fries and caramelized onions noted as delicious additions. Service is described as friendly and attentive by many, though some visits are tempered by slow service, occasional miscommunication or hours that aren’t reliable, and a few issues with online ordering or phone contact. Overall Flash Burger is regarded by many reviewers as a top Montreal spot for burgers, offering satisfying portions, good value, and a casual, welcoming vibe that makes the experience feel comforting and substantial.

Page 1 of 1 - 4 Reviews

Denis

5.0

Je viens d'essayer l'hamburger style'BigMac' & la poutine... pas déçu du tout !!!

Jul 26, 2025

on Google

IGAMS

3.0

La poutine est trop bonne mais le tacos est nul à chier. Prenez pas tacos chez eux

Apr 4, 2025

on Google

William

5.0

Bon burger & bonne poutine. Excellente portion!

Nov 5, 2023

on Google

Hugo

4.0

Bon burger halal avec une portion de poutine généreuse.

Aug 30, 2023

on Google

Flash Burger

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Review Summary