How Long to BBQ Flank Steak? Time, Temp & Tips

Name: BBQ Flank Steak
Cook time: 10 min
Yield: 2-4 servings
Cuisine: Australian
Ingredients: Flank Steak; Salt; Black pepper; Olive oil

By Bill Ohaire | Published: April 2026 | Last Updated: April 2026

Perfectly seared beef steak on a hot BBQ grill

Photo by Mohamed Olwy on Pexels

Quick Answer

BBQ Flank Steak for 4-5 min/side at 230-260°C (450-500°F). Internal temp: 54-57°C (130-135°F) medium-rare. Rest for 10 minutes.

Flank Steak BBQ Guide

Flank steak is lean, flavourful, and great for marinating. It's thicker than skirt steak but with a similarly pronounced grain. The rules are the same: hot grill, medium-rare, and always slice thin against the grain. Excellent for stir-fries, salads, or served as is with chimichurri.

Cook Time

4-5 min/side

Temperature

230-260°C (450-500°F)

Internal Temp

54-57°C (130-135°F) medium-rare

Rest Time

10 minutes

How to BBQ Flank Steak — Step by Step

Prep: Bring to room temperature. Season or marinate as desired.
Preheat: Get your BBQ to 230-260°C (450-500°F). Clean and oil the grate.
Cook: Grill for 4-5 min/side.
Check: Use a meat thermometer — target 54-57°C (130-135°F) medium-rare..
Rest: 10 minutes before serving.

Common Mistakes

Not slicing against the grain — the single most important step
Cooking past medium-rare — flank gets tough
Not marinating — the lean cut benefits from it

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Frequently Asked Questions

How long to BBQ flank steak?

BBQ flank steak for 4-5 min/side at 230-260°C (450-500°F). Target internal temperature: 54-57°C (130-135°F) medium-rare.

What temperature for flank steak on the BBQ?

Cook flank steak at 230-260°C (450-500°F). Internal temperature should reach 54-57°C (130-135°F) medium-rare.

Related BBQ Guides

All Cooking Times Temperature Chart

Sources & References

Guga Foods (YouTube)

Premium beef experiments — dry ageing, wagyu, and creative steak techniques.

Video

Serious Eats

Kenji Lopez-Alt's food science approach to grilling the perfect steak.

Reference

Weber Grill Skills

Australia's most popular grill brand — guides for every cut and cooking method.

Manufacturer

AmazingRibs.com

The science of BBQ — temperature guides, techniques, and recipes backed by food science.