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Restaurant

Flash Burger

Flash Burger delivers lightning-fast cravings satisfied with every bold bite.

Mercier-Hochelaga-Maisonneuve
4.6$ & $$
OPEN12 pm - Midnight
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Photo of Flash Burger, Mercier-Hochelaga-Maisonneuve - Montreal
BurgersSandwiches
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Details

About

Flash Burger specializes in high-speed, casual preparation of classic griddle-seared beef patties and stacked sandwiches. The menu focuses on essential ingredients, featuring melted American cheese, crisp lettuce, sliced tomatoes, and house-made signature sauces on toasted buns. Patrons select from a variety of protein-forward options that prioritize consistency and robust flavor profiles in every bite. The kitchen operation centers on rapid assembly and efficient service delivery for those seeking a straightforward, no-nonsense meal. Each order emphasizes a balance of textures, from the crunch of freshly shredded vegetables to the tenderness of seasoned meat. The environment prioritizes functional, streamlined dining that centers entirely on the core staples of the American burger tradition. Quality remains the primary objective as the establishment produces substantial, handheld comfort food that fulfills specific culinary requirements with absolute reliability and speed.

Amenities & services

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Frequently Asked Questions

Where is Flash Burger located?

Flash Burger is located at 9221 Rue de Grosbois, Montreal, H1K 4N6 in the neighborhood of Mercier-Hochelaga-Maisonneuve.

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When is Flash Burger open?

OPEN NOW Today's hours: 12 pm - Midnight

Monday12 pm - Midnight
Tuesday12 pm - Midnight
Wednesday12 pm - Midnight
Thursday12 pm - Midnight
Friday3 pm - 2 am
Saturday12 pm - 2 am
Sunday12 pm - Midnight
Does Flash Burger accept reservations?

Online reservations are not currently offered through this listing for Flash Burger. However, you can call them directly at (438) 380-3738 to inquire about table availability.

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Does Flash Burger offer online ordering?

Yes, Flash Burger offers online ordering for delivery.

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Does Flash Burger have a menu available?

The complete menu is not published on this listing. Please visit the restaurant or contact them directly for current selections and specials.

What are the main cuisines at Flash Burger?

Flash Burger specializes in:

BurgersSandwiches
What are the main features and amenities at Flash Burger?

Key features and amenities offered at Flash Burger:

DeliveryOnline OrderingParking AvailableTakeout Available
Is Flash Burger open on Sunday?

Yes, Flash Burger is open on Sunday.

Sunday hours: 12 pm - Midnight

Is Flash Burger open on Monday?

OPEN NOW Yes, Flash Burger is open on Monday.

Monday hours: 12 pm - Midnight

Does Flash Burger have a website?

No, Flash Burger does not currently have an official website listed on this page.

Does Flash Burger have social media links?

We do not have social media links on file for Flash Burger, but here is their Google Business profile link:

Google Flash Burger
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How can I contact Flash Burger?

You can reach Flash Burger through the following channels:

(438) 380-3738
4.6214 ratings
5★
79%
4★
8%
3★
5%
2★
7%
1★
1%

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Reviews for Flash Burger

Food
Service
on Google4.5 (300+)
*as of 2026-09-15
4.6214 ratings
5★
79%
4★
8%
3★
5%
2★
7%
1★
1%
Write your review

Reviews often mention

Display Allburger(38) halal(10) prix(8) frite(7) conseille(6) qualite(5) taco(5) sauce(5) fresh(4) combo(4) boisson(4) poutine(4)

What reviews say

Flash Burger is highly regarded as a top-tier destination for delicious, fresh, and generous meals in Montreal. Visitors consistently praise the high quality of the burgers, tacos, and crispy fries, noting that the food is consistently flavorful and satisfying. The restaurant is frequently described as a hidden gem where the welcoming staff provides excellent, friendly service that often leaves a lasting positive impression. With an unbeatable price-to-quality ratio and a classic, relaxing atmosphere, it has become a favorite spot for many who appreciate a hearty meal served with care and consistency.
Page 1 of 1 - 7 Reviews
Belaid
5.0

Body Burger & cheese super bon en trio ... les frites une tuerie ...je recommande vivement

Aug 5, 2026
on Google
Stephen
5.0

Quelle belle découverte sur la rue de Grosbois. Tout était frais & servi sur des plateaux avec ce petit papier à carreaux rouges qui donne une touche vraiment classique.

Les burgers sont généreux & les portions de frites accompagnées de ces bâtonnets croustillants sont parfaites pour partager. J'ai aussi beaucoup apprécié la généreuse quantité de petites sauces servies à côté. C'est exactement ce qu'il nous fallait pour un repas satisfaisant.

Jul 9, 2026
on Google
Gerardine
4.0

Franchement Flash Burger c'est bon.
Ils devaient ouvrir à 12h mais y a eu un retard de 15-20 min. Mais après ils nous ont donné 2 Kinder Surprise + un tiramisu gratuit, donc c'était cool.

Le service est bien, les employés sont gentils.

Par contre je te conseille de manger sur place. J'ai pris à emporter une fois & les frites étaient froides & pas bonnes, même après les avoir réchauffées.

Bref, je recommande, mais mange sur place 👍

Apr 20, 2026
on Google
Cathy
5.0

J'ai pris le BodyBurger & c'est le meilleur burger que j'ai mangé depuis très longtemps 🤤 je recommende fortement cette place & j'ai deja hâte d'essayer les autres saveurs (ça va etre dur de ne pas reprendre le même ) le service était courtois & agréable....la sauce algérienne pour les frites ...un vrai délice 🤤
J'habite à 1h de Montréal mais je risque de le rajouter à mon itinéraire aussitot que je reviens en ville

Mar 15, 2026
on Google
Jean-Michel
5.0

Excellent. J'adore ce fast food. Les prix sont raisonnable, surtout leur menu qui tourne autour de 15-20 pour deux burgers, une frite (assez large sur le plateau) & une boisson. Les portions sont généreuses & les employés sont vraiment formidable. Je réitère mais franchement j'adore cet endroit. Excellente enseigne locale. Je recommends fortement!

Jul 6, 2025
on Google
Nabil
5.0

Excellent Les frites sont délicieuses & les oignons caramélisés sont extraordinairement bons dans leurs burger Merci

Jan 26, 2025
on Google
Ahmed
5.0

Très bon accueil, le restaurant est bien propre. Le badyburger est excellent & les frites parfaitement préparées. Je recommande vivement

Jun 30, 2024
on Google
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