Cast iron griddles can turn a standard gas grill into a versatile flat-top cooking station for breakfast, smash burgers, vegetables, and more. The right insert should fit securely, heat evenly, and be easy to maintain.
Below, we highlight 10 of the best cast iron griddles for gas grills, with options for different grill sizes, cooking styles, and budgets.
Best 10 Cast Iron Griddles for Gas Grills Picks for 2026
Large Flat-Top Fit Check
25 x 16 Inch Cast Iron Griddle for Gas Grill
- 25 x 16 inch surface with about 400 sq. in. of cooking space
- Nonstick-coated cast iron for easier release and cleanup
- Needs at least 27.1 x 16 inches of clear grill space
Best For: Large gas grills with enough grate-level space for a full-size flat-top insert
Reinforced Universal Pick
25 x 16 Pre-Seasoned Cast Iron Griddle
- Thick pre-seasoned cast iron with a durable nonstick coating
- Three support ridges help reduce hot spots and warping
- Detachable handles and a grease trough add convenience
Best For: Frequent grillers who want a reinforced griddle with easier handling and cleanup
Reversible Two-Burner Option
Lodge Double Play Reversible Grill/Griddle
- Reversible design with griddle and grill sides
- Covers two burners for breakfast or meal prep
- Works on gas, induction, oven, grill, and campfire
Best For: Shoppers who want a versatile reversible cast iron piece instead of a full-size grill insert
Compact Portable Choice
17 x 13 Cast Iron Griddle for Gas Grill
- Compact 17 x 13 inch size fits most grills more easily
- Reinforced cast iron build with upgraded nonstick coating
- Grease trough and detachable handles improve usability
Best For: Portable cooking setups, smaller grills, and users who want a lighter-size griddle insert
Upgrade Pick
COZEER 25x16 Cast Iron Griddle with Groove
- 25 x 16 inch surface for larger meals
- Raised side walls plus grease groove
- Includes a scraper for cleanup
Best For: Large gas grills and family-style cooking
Durable All-Rounder
Utheer 23x16 Enameled Cast Iron Griddle
- Enameled cast iron for durability and rust resistance
- X-shaped ridges help prevent warping
- Fits gas grills, charcoal grills, and range tops
Best For: Versatile cooks who want sturdy, easy-clean performance
Compact Fit Pick
Pre-seasoned 17x13 Griddle Insert for Gas Grills
- Compact 17 x 13 inch cooking surface
- Nano-ceramic coating for nonstick performance
- Grease trough and side handles add convenience
Best For: Smaller grills and buyers who need a better fit
Universal Family-Size Flat Top
- Large cooking surface for group meals
- Fits many gas, charcoal, and electric grills
- Includes side handles and spatula set
Best For: Big family cookouts and versatile grill-to-griddle use
Compact Universal Flat Top
17" x 13" Pre-Seasoned Griddle
- Smaller footprint for tighter grill setups
- Pre-seasoned cast iron with reinforced ridges
- Grease groove and sidewalls help manage drips
Best For: Smaller grills and casual cookouts
Large Flat-Top Fit Check – 25 x 16 Inch Cast Iron Griddle for Gas Grill
If you want cast iron griddles for gas grills that turn a large cookout setup into a true flat-top station, this 25 x 16 inch option is built for bigger grills. It offers plenty of surface area for breakfast, burgers, and hibachi-style cooking, but the key buying step is fit: the total outside length is about 27.1 inches with handles, so measure your grate space first.
Best For: Owners of 5-burner or larger gas grills who need a wide cast iron griddle for eggs, bacon, burgers, and family-style outdoor cooking.
Pros:
- Large 25 x 16 inch cooking surface with about 400 sq. in. of flat-top space
- Cast iron build supports strong heat retention and better browning
- Nonstick-coated surface is designed for easier food release and cleanup
- Raised sides and grease drain help keep food contained and reduce mess
Cons:
- Requires at least 27.1 x 16 inches of clear usable space at grate level
- Not suitable for curved grill grates, round burner camp stoves, or unsupported glass/electric cooktops
- Hand wash and dry thoroughly after use
Overall, this is a strong pick if you need a spacious griddle insert and your grill can truly accommodate it. The performance features are solid, but the fit check matters more here than on smaller models.
Reinforced Universal Pick – 25 x 16 Pre-Seasoned Cast Iron Griddle
This cast iron griddle for gas grills is designed as a universal flat-top upgrade for backyard BBQs, tailgates, camping, and family cooking. The 25 x 16 inch size gives you room for breakfast and dinner dishes, while the pre-seasoned nonstick coating and reinforced base are meant to improve everyday usability.
Best For: Grillers who want a versatile, reinforced cast iron griddle with detachable handles and a built-in grease trough.
Pros:
- Thick pre-seasoned cast iron construction with a durable nonstick coating
- Three reinforced support ridges help with stability and even heat distribution
- Detachable handles make lifting, carrying, and storage easier
- Built-in grease trough helps collect drippings and reduce flare-ups
Cons:
- Still requires proper grill fit for the 25 x 16 inch footprint
- Preheat before adding oil for best nonstick performance
- Maximum temperature rating is listed at 500°F
This is a practical choice if you want a feature-rich griddle that leans toward easier handling and cleaner cooking. The reinforcement details make it especially appealing for frequent high-heat use.
Reversible Two-Burner Option – Lodge Double Play Reversible Grill/Griddle
Among cast iron griddles for gas grills, this Lodge reversible pan stands out for its two-sided design and double-burner coverage. It is smaller than a full grill insert, but it gives you a flexible cooking surface for pancakes on one side and grill marks on the other, making it useful for households that want a compact all-purpose cast iron piece.
Best For: Cooks who want a reversible, double-burner cast iron griddle and grill plate for versatile indoor or outdoor use.
Pros:
- Reversible design gives you both a griddle side and a grill side
- Covers two burners for family breakfasts or meal prep
- Pre-seasoned, PFAS-free, and non-toxic according to the product notes
- Works on gas, electric, induction, oven, grill, or campfire
Cons:
- Smaller than full-size grill inserts for larger cooking jobs
- Not a dedicated flat-top insert for covering a big gas grill area
- Listed dimensions make it better for two burners than full-grill coverage
If you want one cast iron piece that can do more than just griddle duty, this Lodge model is a practical pick. It is especially appealing when versatility matters more than maximum size.
Compact Portable Choice – 17 x 13 Cast Iron Griddle for Gas Grill
If you are comparing cast iron griddles for gas grills and want something smaller than a full-size insert, this 17 x 13 inch model is aimed at portability and everyday versatility. It is sized for most grills and is also described for stove top, camping, tailgating, and backyard cooking, with a reinforced build meant to handle high heat more confidently.
Best For: Grillers who want a portable cast iron griddle for smaller spaces, travel cooking, or lighter-duty flat-top use.
Pros:
- Compact 17 x 13 inch size fits most grills more easily
- Upgraded nonstick coating is described as scratch-resistant and durable
- Built-in grease trough helps reduce flare-ups and simplify cleanup
- Crossbar reinforcement and support ridges are meant to improve stability
Cons:
- Smaller cooking area than full-size griddle inserts
- May not satisfy buyers who want a true large flat-top surface
- Detachable handles are useful, but the product still needs careful fit checking
This is a smart pick when portability and easier fit matter more than maximum cooking space. It gives you a practical flat-top surface without moving into full-size griddle territory.
Upgrade Pick – COZEER 25×16 Cast Iron Griddle with Groove
If you want cast iron griddles for gas grills that lean oversized and practical, this COZEER model is built for busy cookouts. Its 25 x 16 inch surface, raised side walls, and grease groove make it a strong fit for cooking breakfast, burgers, and mixed grill plates without constant crowding or spill cleanup.
Best For: Larger gas grills, backyard cooking, and buyers who want a roomy flat-top surface with easy grease management.
Pros:
- Large 25 x 16 inch cooking area gives plenty of room for batches of food
- Grease groove and raised side walls help contain drips and make flipping easier
- Physical nitriding process is designed to help prevent rust and avoid harmful coatings
- Includes a griddle scraper for simpler cleanup
Cons:
- At 14 pounds, it is a heavy insert to move and store
- Larger footprint may be too big for smaller grills
This is a strong choice if your priority is surface space and straightforward maintenance. It is especially appealing for people who cook a wide variety of foods and want a durable, multi-use insert for regular grill sessions.
Durable All-Rounder – Utheer 23×16 Enameled Cast Iron Griddle
For shoppers comparing cast iron griddles for gas grills, this Utheer model stands out for its enameled cast iron build and reinforced design. The 23 x 16 inch size works for a wide range of meals, while the nonstick surface and rust-resistant coating are aimed at making day-to-day grilling easier.
Best For: Home cooks and outdoor grillers who want a durable, easy-clean griddle with strong heat retention.
Pros:
- Enameled cast iron construction is designed for durability and rust resistance
- X-shaped reinforcement ridges help reduce warping under high heat
- Nonstick surface and easy-wipe cleanup make maintenance simpler
- Works for gas grills, charcoal grills, and indoor range use
Cons:
- At 11.41 kg, it is relatively heavy
- Larger footprint may not suit compact grill setups
This is a practical pick if you want a griddle that feels sturdy and versatile without sacrificing cooking performance. Its reinforced build and even heating features make it especially appealing for frequent use across different cooking setups.
Compact Fit Pick – Pre-seasoned 17×13 Griddle Insert for Gas Grills
If you need cast iron griddles for gas grills that fit more compact setups, this 17 x 13 inch insert is sized for a narrower range of grills while still covering the basics well. The nano-ceramic coating, sidewalls, and built-in grease trough are geared toward easier cooking and cleanup on compatible Weber, Nexgrill, Charbroil, and similar grills.
Best For: Smaller or more specific grill setups where fit, easy cleanup, and nonstick performance matter most.
Pros:
- Compact 17 x 13 inch size suits smaller or tighter grill spaces
- Nano-ceramic coating is designed for scratch resistance and nonstick performance
- Grease trough and high side bars help control splatter and drips
- Side handles make lifting and storage easier
Cons:
- Smaller cooking area than the larger options in this roundup
- Fit is more model-specific, so grill dimensions should be checked carefully
This is a smart buy if you want a griddle insert that prioritizes fit and easy handling over maximum surface area. It is especially useful for buyers who want a more controlled cooking zone for breakfast foods, vegetables, or smaller meals.
Universal Family-Size Flat Top – 23" x 16" Cast Iron Insert
If you want cast iron griddles for gas grills that can handle big meals, this 23″ x 16″ insert is built for crowd cooking and broad compatibility. It works with many gas, charcoal, and electric setups, and the thick cast iron construction is made to heat quickly and evenly for burgers, breakfast, vegetables, and more.
Best For: Families, backyard cookouts, camping, and tailgating when you need a large flat-top cooking surface.
Pros:
- Large 23″ x 16″ cooking area for family-style meals
- Compatible with many grills and even some stovetops
- Thick cast iron build supports fast, even heating
- Side handles, high sidewalls, and a full-width grease tray add convenience
Cons:
- Needs seasoning before first use
- Heavier than lighter metal grill inserts
This is a practical pick if you want a roomy griddle insert that expands your grill into a true flat-top cooking surface. The included spatula set is a useful bonus, and the nonstick, rust-resistant surface is designed for easier maintenance after proper seasoning.
Heavy-Duty Mid-Size Griddle – 25" x 16" Reinforced Cast Iron
Among cast iron griddles for gas grills, this 25″ x 16″ option stands out for its heavy-duty build and practical cooking layout. It is designed for broad grill compatibility, and the pre-seasoned nonstick surface is paired with reinforced bottom ridges and high sidewalls to help deliver more even cooking and easier handling.
Best For: Grill owners who want a large, durable flat top for everyday meals, teppanyaki-style cooking, and outdoor gatherings.
Pros:
- Large 25″ x 16″ surface for cooking multiple foods at once
- Thick cast iron with 3 reinforced ridges to help reduce warping
- Grease trough, high sidewalls, and ventilated side panels improve usability
- Detachable handles make lifting and storage easier
Cons:
- Very heavy at 23 lb
- Primarily designed for grill use, not most stovetops
This model is a strong fit if you want a more substantial griddle insert with thoughtful design details. The combination of polished edges, airflow-friendly side panels, and reinforced heat distribution makes it a practical upgrade for frequent grill users.
Compact Universal Flat Top – 17" x 13" Pre-Seasoned Griddle
If you need cast iron griddles for gas grills in a smaller footprint, this 17″ x 13″ insert offers a more compact way to add a flat top to your setup. It is built from thick cast iron with a pre-seasoned nonstick surface, and the reinforced ridges, grease groove, and high sidewalls are aimed at steady everyday grilling.
Best For: Smaller grill setups, casual backyard cooking, and users who want a lighter-size griddle insert.
Pros:
- Compact 17″ x 13″ size fits many grill setups
- Pre-seasoned cast iron with 3 reinforced support ridges
- Grease trough and high sidewalls help contain messes
- Detachable handles and polished edges improve convenience
Cons:
- Smaller cooking area than larger griddle inserts
- Max temperature rating is listed lower than the larger model
This is the most space-conscious choice in the lineup, but it still brings the core benefits of a cast iron grill griddle. For users who do not need the biggest surface, it offers a solid balance of fit, functionality, and straightforward cleanup.
How We Picked the Best Cast Iron Griddles for Gas Grills
We focused on practical features that matter on a real grill: overall size, compatibility with common gas-grill layouts, cast iron thickness, pre-seasoning quality, grease management, and how well each griddle supports everyday cooking tasks. We also considered whether the design leaves enough room for heat circulation and easy handling.
Quick Comparison
Larger inserts, such as 25 x 16-inch models, are better for cooking multiple servings at once and for covering more of the grill surface. Mid-size options around 23 x 16 inches balance capacity and flexibility. Smaller 17 x 13-inch griddles suit compact grills or buyers who want a lighter, easier-to-store option. Reversible pans and universal flat-top inserts can be especially useful if you want more cooking versatility.
Key Buying Factors for Cast Iron Griddles for Gas Grills
Fit and Grill Compatibility
Measure your cooking grate area carefully before buying. A griddle that is too large can block burners or sit unevenly, while one that is too small may waste cooking space. Check whether the product is meant for a universal fit, specific burner layouts, or use on both gas and charcoal grills.
Heat Retention and Surface Thickness
Cast iron excels at holding heat, which helps with searing and consistent browning. Thicker plates usually recover heat better after adding cold food, though they can take longer to preheat. If you plan to cook burgers, bacon, or stir-fry-style meals, even heat distribution matters more than a flashy design.
Surface Features
Look for useful details like grease grooves, sidewalls, reinforced ridges, and reversible cooking surfaces. These features can help control runoff, improve food handling, and make the griddle more adaptable for different meals.
Seasoning and Maintenance
Pre-seasoned cast iron saves time, but it still needs regular care. Choose an option that is easy to clean, dry thoroughly, and re-oil after use. If you cook often, a smoother cooking surface can simplify cleanup and reduce sticking over time.
Who Should Buy Which Cast Iron Griddles for Gas Grills?
If you cook for a crowd, choose a larger 25 x 16-inch griddle for maximum surface area. If you want something more manageable for weeknight use, a 23 x 16-inch model is a strong middle ground. For smaller grills, camping setups, or occasional use, a 17 x 13-inch griddle or reversible Lodge-style pan may be the smarter fit. Buyers who want the easiest possible setup should prioritize pre-seasoned, universal Cast Iron Griddles for Gas Grills with clear size specs and simple maintenance needs.








