Flank Steak Grilling Time Chart for Perfect Results

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Our flank steak grilling time chart gives you exact times and temperatures for every grill setup. You will learn how thick your steak should be, what heat level to use, and when to pull it off the grill. We cover charcoal, gas, and indoor grilling methods so you can cook flank steak perfectly every single time.

Grilling a flank steak can feel intimidating. You want that perfect char on the outside. You want it pink and juicy on the inside. But without a clear plan, it is easy to overcook or undercook this lean cut of beef.

That is exactly why we built this flank steak grilling time chart. It takes all the guesswork out of the equation. Whether you are using a gas grill, a charcoal grill, or even an indoor grill pan, this guide has you covered. You will find exact timing charts, temperature targets, and pro tips that turn an ordinary steak into a showstopper.

Flank steak is a fantastic cut. It is affordable, full of beefy flavor, and perfect for grilling. The trick is knowing how long to cook it and at what temperature. This chart and guide will give you all the knowledge you need to grill flank steak like a seasoned pitmaster.

Key Takeaways

• Thickness matters most: A 1-inch flank steak grills differently than a 2-inch cut, and our chart breaks it all down.
• Internal temperature is your best friend: Always use a meat thermometer to hit the right doneness.
• Rest your steak after grilling: This simple step keeps the juices locked in for a tender bite.
• Slice against the grain: This trick makes flank steak tender and easy to chew.
• Marinating adds flavor and moisture: Even a short 30-minute marinade transforms your results.
• Grill type affects timing: Charcoal, gas, and indoor grills all have different heat profiles and timing needs.

Understanding Flank Steak and Why Timing Matters

Flank steak comes from the abdominal muscles of the cow. It is a long, flat cut that is lean and packed with flavor. Because it has very little fat, it cooks faster than fattier cuts like ribeye or strip steak. This makes timing absolutely critical.

When you cook flank steak too long, it dries out fast. The meat becomes tough and chewy. Nobody wants that. But when you nail the timing, the result is a juicy, flavorful steak with beautiful grill marks and a perfect crust.

What Is Flank Steak?

Flank steak is a versatile cut of beef. It is often used for fajitas, stir-fries, and London broil. The grain of the meat runs long and tight, which means you need to slice it correctly after cooking. Cutting against the grain is the single most important step for tender flank steak.

This cut benefits greatly from marinating. The lack of fat means it needs help staying moist during grilling. A good marinade adds flavor and breaks down some of the tough muscle fibers. Even 30 minutes in a marinade can make a big difference.

Why Grilling Time Varies

Not all flank steaks are the same. Several factors change how long yours should grill:

• Thickness: A thin 1/2-inch steak cooks in minutes. A thick 2-inch steak takes much longer.
• Starting temperature: A cold steak from the fridge takes more time than one brought to room temperature.
• Grill heat: High heat sears fast. Medium heat cooks more evenly but takes longer.
• Grill type: Charcoal grills run hotter than gas grills in many cases. Electric grills heat differently too.
• Desired doneness: Medium-rare takes less time than medium or well-done.

All of these factors mean you cannot just set a timer and walk away. You need to pay attention to the meat and use a reliable meat thermometer. That is the real secret to perfect results every time.

The Flank Steak Grilling Time Chart

Here is the core of our guide. The chart below breaks down grilling times based on steak thickness and your target doneness. These times assume a hot grill with direct heat and a steak at room temperature before it hits the grate.

Flank Steak Grilling Time by Thickness

Use this chart as your go-to reference. Times are for a grill heated to about 450 to 500 degrees Fahrenheit. Always flip the steak only once for the best sear.

• 1/2-inch thick: 3 to 4 minutes per side for medium-rare. Total cook time around 6 to 8 minutes.
• 3/4-inch thick: 4 to 5 minutes per side for medium-rare. Total cook time around 8 to 10 minutes.
• 1-inch thick: 5 to 6 minutes per side for medium-rare. Total cook time around 10 to 12 minutes.
• 1.5-inch thick: 6 to 7 minutes per side for medium-rare. Total cook time around 12 to 14 minutes.
• 2-inch thick: 7 to 8 minutes per side for medium-rare. Total cook time around 14 to 16 minutes.

Internal Temperature Guide for Flank Steak

Times give you a general idea, but temperature never lies. Use a digital instant-read thermometer inserted into the thickest part of the steak. Here are the target temperatures for each level of doneness:

• Rare: 120 to 125 degrees Fahrenheit
• Medium-Rare: 130 to 135 degrees Fahrenheit
• Medium: 140 to 145 degrees Fahrenheit
• Medium-Well: 150 to 155 degrees Fahrenheit
• Well-Done: 160 degrees Fahrenheit and above

Remember that the temperature will rise 5 to 10 degrees after you pull the steak off the grill. This is called carryover cooking. Pull the steak a few degrees early and let it rest. Your final internal temp will reach the perfect level on its own.

Grilling Time Comparison: Charcoal vs Gas Grill

Different grill types behave differently. Charcoal grills often run hotter, especially over direct heat. Gas grills offer more control and more even heat. Here is how the timing compares:

• Charcoal grill: Slightly faster cook times due to higher radiant heat. Watch carefully to avoid flare-ups. Flank steak on charcoal can cook 1 to 2 minutes faster per side.
• Gas grill: More predictable and easier to control. Use the middle burners for indirect heat if the steak is thicker than 1 inch.
• Indoor grill pan: Slower than outdoor grills because the heat source is less intense. Add 1 to 2 minutes per side compared to outdoor times.

For the best results on a charcoal grill, let the coals ash over before you start. This gives you a steady, hot cooking surface. On a gas grill, preheat with all burners on high for at least 10 minutes. Then reduce heat as needed before placing the steak down.

How to Prep Your Flank Steak for the Grill

Preparation is just as important as cooking time. A well-prepared flank steak grills better, tastes better, and stays juicier. Here is exactly what to do before the steak ever touches the grate.

Marinating Your Flank Steak

Flank steak loves a good marinade. The lean meat soaks up flavors beautifully. A marinade also helps keep the steak moist during the high heat of grilling.

Here are some quick marinade ideas:

• Classic lime and garlic: Lime juice, minced garlic, olive oil, cumin, and salt. Perfect for fajitas.
• Soy sauce and ginger: Soy sauce, sesame oil, fresh ginger, and a touch of honey. Great for Asian-inspired dishes.
• Simple olive oil and herbs: Olive oil, rosemary, thyme, garlic, salt, and pepper. A foolproof option every time.

Marinate for at least 30 minutes. For deeper flavor, marinate for 2 to 4 hours. Do not go over 24 hours or the acid in the marinade can start to break down the meat too much. Always marinate in the refrigerator, not on the counter.

Bringing the Steak to Room Temperature

Take your flank steak out of the fridge 30 to 45 minutes before grilling. This lets the meat cook more evenly. A cold steak placed on a hot grill will have a gray, undercooked center by the time the outside reaches the right temperature.

Pat the steak dry with paper towels before it hits the grill. Moisture on the surface creates steam instead of a good sear. A dry surface means better grill marks and a deeper crust.

Seasoning Basics

Keep it simple. Salt and pepper work wonders on flank steak. If you are not using a marinade, season generously with coarse salt, black pepper, and a little garlic powder. Apply the salt about 15 minutes before grilling. This draws out a little moisture, which then gets reabsorbed and tenderizes the meat.

Grilling Techniques for Perfect Flank Steak

Now that your steak is prepped and your grill is hot, it is time to cook. The technique you use matters just as much as the timing chart.

The Two-Zone Grilling Method

This is the best technique for flank steaks over 1 inch thick. Set up your grill with two heat zones. One side has direct high heat. The other side has indirect medium heat.

Here is how it works:

1. Sear the steak over direct high heat for 2 to 3 minutes per side.
2. Move the steak to the indirect heat zone.
3. Close the lid and continue cooking until the internal temperature reaches your target.
4. Pull the steak off and let it rest for 5 to 10 minutes.

This method gives you a great sear on the outside and a perfectly cooked interior. It prevents the outside from burning before the inside is done.

Searing for Great Grill Marks

Searing is all about contact and heat. Place the steak at a 45-degree angle on the grill grate. Let it sit without moving for 2 to 3 minutes. You will see beautiful crosshatch grill marks form. Then rotate the steak 90 degrees and cook for another 2 to 3 minutes. Flip and repeat on the other side.

Do not press down on the steak with a spatula. Pressing squeezes out the juices and dries the meat out. Let the steak do its thing on the grate.

Managing Flare-Ups

Flare-ups happen when fat or marinade drips onto the flames. Flank steak is lean, so it is less likely to cause big flare-ups than fattier cuts. But marinades with sugar or oil can still cause some sparking.

If a flare-up happens, move the steak to a cooler part of the grill. Close the lid and vents slightly to starve the fire of oxygen. Never spray water on a grease fire. That is a dangerous mistake that can cause serious burns.

For more grilling inspiration with different proteins, check out our raw shrimp recipes for grilling and our pre cooked shrimp recipes for quick weeknight options.

Resting and Slicing Your Flank Steak

This is where most people go wrong. They pull the steak off the grill and immediately cut into it. That releases all the juices onto the cutting board instead of keeping them in the meat. Resting is non-negotiable.

Why Resting Is Essential

When a steak is on the grill, the heat pushes the juices toward the center. If you cut right away, all those juices run out and the steak dries up. Resting lets the juices redistribute throughout the meat.

Rest your flank steak for at least 5 to 10 minutes. Tent it loosely with aluminum foil. Do not wrap it tightly or the steam will soften the crust you worked so hard to build.

Slicing Against the Grain

Flank steak has a very distinct grain. The muscle fibers run long and parallel to each other. If you slice with the grain, each bite is chewy and tough. If you slice against the grain, the fibers are shortened and the meat becomes much more tender.

Here is how to find the grain:

• Look at the surface of the steak after it rests.
• You will see long parallel lines running through the meat.
• Position your knife perpendicular to those lines.
• Slice into thin strips about 1/4-inch thick.

This one technique transforms flank steak from chewy to tender. It is the secret weapon of every great grill cook.

Common Mistakes to Avoid When Grilling Flank Steak

Even experienced grillers make mistakes with flank steak. Here are the most common ones and how to avoid them:

Mistake 1: Cooking from Cold

Placing a cold steak straight from the fridge onto a hot grill leads to uneven cooking. The outside burns while the center stays raw. Always bring the steak to room temperature first.

Mistake 2: Cutting Too Early

We mentioned this above but it bears repeating. Cutting into the steak immediately after grilling wastes all those delicious juices. Be patient and let it rest.

Mistake 3: Using Too High Heat for Thick Steaks

A 2-inch flank steak on screaming-hot direct heat will char on the outside and stay raw inside. Use the two-zone method for anything thicker than 1 inch.

Mistake 4: Skipping the Thermometer

guessing the doneness by pressing on the steak is unreliable. A meat thermometer takes the guesswork out completely. Invest in a good instant-read thermometer and use it every time.

Mistake 5: Over-Marinating

Marinades with a lot of acid (like lemon juice or vinegar) can break down the meat if left too long. Stick to 30 minutes to 4 hours for best results.

For more grilling ideas with different cuts of beef, you might enjoy our instant pot ground beef recipes for quick weeknight meals that complement your grilled flank steak.

Serving Suggestions and Pairing Ideas

Flank steak is incredibly versatile once it is off the grill. Here are some serving ideas that work beautifully:

• Fajitas: Slice the steak into strips and serve with sautéed peppers and onions, warm tortillas, and your favorite toppings.
• Steak salad: Slice thinly and toss over a bed of mixed greens with cherry tomatoes, avocado, and a bright vinaigrette.
• Rice bowls: Serve over cilantro lime rice with black beans, corn salsa, and a squeeze of fresh lime.
• Tacos: Dice the steak and serve in soft corn tortillas with pickled onions and fresh cilantro.
• Simple with butter: A pat of herb butter on hot sliced flank steak is honestly all you need.

Flank steak also works well in wraps, sandwiches, and even chopped steak tacos. The leftovers make fantastic next-day meals too.

Final Thoughts on the Flank Steak Grilling Time Chart

Grilling the perfect flank steak is easier than you think. The key is knowing your timing, using the right temperature, and paying attention to the details. Our flank steak grilling time chart gives you a solid starting point for every thickness and doneness level.

Remember to bring the steak to room temperature. Marinate for flavor and moisture. Use a meat thermometer to check doneness. Rest the steak before slicing. And always cut against the grain.

With these steps, you will serve flank steak that is juicy, tender, and full of smoky grill flavor every single time. Fire up your grill and give it a try. Your family and friends will be impressed.

Frequently Asked Questions

How long should I grill a 1-inch flank steak?

A 1-inch flank steak should grill for about 5 to 6 minutes per side over direct high heat for medium-rare. This gives you a total cook time of around 10 to 12 minutes. Always use a meat thermometer to confirm the internal temperature reaches 130 to 135 degrees Fahrenheit for the perfect doneness.

What is the best temperature to grill flank steak?

Preheat your grill to 450 to 500 degrees Fahrenheit for the best results. This high heat creates a great sear and grill marks while cooking the steak through quickly. For thicker steaks over 1 inch, use the two-zone method with a cooler indirect heat side.

Should I marinate flank steak before grilling?

Yes, marinating flank steak is highly recommended. The lean meat benefits from the extra moisture and flavor that a marinade provides. Marinate for at least 30 minutes and up to 4 hours for the best results. Avoid marinating for more than 24 hours or the acid can start to break down the meat too much.

How do I know when flank steak is done?

The most reliable way is to use an instant-read meat thermometer inserted into the thickest part of the steak. Pull the steak at 130 to 135 degrees Fahrenheit for medium-rare. Remember that the temperature will rise 5 to 10 degrees during resting, so pull it a few degrees early.

Can I grill flank steak on a gas grill?

Absolutely. Gas grills work great for flank steak because they offer easy temperature control. Preheat all burners on high for 10 minutes, then reduce heat as needed. Sear the steak over direct heat and move it to a cooler zone if the steak is thicker than 1 inch.

How long should I rest flank steak after grilling?

Rest your flank steak for at least 5 to 10 minutes after pulling it off the grill. Tent it loosely with aluminum foil to keep it warm while the juices redistribute. Do not wrap it tightly or the steam will soften the delicious crust on the outside of the steak.

=== CONCLUSION ===

A good flank steak grilling time chart takes the mystery out of grilling this lean and flavorful cut. You now have exact times for every thickness, target temperatures for every doneness level, and practical tips to avoid common mistakes. The chart is your quick reference, and the techniques in this guide are your path to consistent success.

Next time you fire up the grill, pull out this guide. Check the thickness of your steak. Look at the timing chart. Use your thermometer. Let the steak rest. Slice against the grain. Follow these simple steps and you will grill flank steak that is tender, juicy, and full of flavor.

Grilling is part science and part feel. The chart gives you the science. Your practice and attention give you the feel. Together, they make the perfect flank steak. Now get out there and grill something amazing.