Duke's Old Fashioned Onion Burgers

Duke's Old Fashioned Onion Burgers Duke's Old Fashioned Onion Burgers is a burger restaurant located on Baltimore Drive in La Mesa, serving up delicious Oklahoma style onion burgers, as well as hot honey chicken sandwiches and hand-cut fries. In addition to dining in or taking out, they offer catering services for events with a minimum of 50 people. Enjoy classic American food in the heart of East County San Diego.
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Recent social media posts

06/26/2026

Water and Oxygen are great but have you tried an Onion Burger?👀🧅🍔

Smashed, seasoned and sizzling to perfection🤩🧅🍔🙌
06/25/2026

Smashed, seasoned and sizzling to perfection🤩🧅🍔🙌

Layers of fresh ingredients in every bite🤤🧅🍔From the perfectly smashed onion burger patty to crispy pickles and fresh to...
06/24/2026

Layers of fresh ingredients in every bite🤤🧅🍔From the perfectly smashed onion burger patty to crispy pickles and fresh toppings, Duke’s burgers are meant to satisfy from the first bite to the last

If there’s such thing as too much chocolate, we haven’t found it yet🤭🍫🍨🥤 Our Death by Chocolate Milkshake is thick, crea...
06/23/2026

If there’s such thing as too much chocolate, we haven’t found it yet🤭🍫🍨🥤 Our Death by Chocolate Milkshake is thick, creamy and overflowing with chocolate goodness!

Crispy on the outside, fluffy on the inside, and always cut fresh daily 🥔🍟Grab a basket and taste the difference!       ...
06/21/2026

Crispy on the outside, fluffy on the inside, and always cut fresh daily 🥔🍟Grab a basket and taste the difference!

Freshly smashed, perfectly caramelized and ready for you to enjoy!🧅🍔😎 Order online or dine in today
06/20/2026

Freshly smashed, perfectly caramelized and ready for you to enjoy!🧅🍔😎 Order online or dine in today

Dinner plans? We've got them covered 🍔🍟 Fresh-off-the-grill onion burgers, crispy fries, and all the comfort food you co...
06/18/2026

Dinner plans? We've got them covered 🍔🍟 Fresh-off-the-grill onion burgers, crispy fries, and all the comfort food you could ask for. Join us & dig in tonight!

06/17/2026

Feeling hungry? Come enjoy and Duke’s Old Fashioned Onion Burger🧅🍔😋

Every bite of our onion burger speaks for it self🧅🍔 One taste and you’ll understand the hype!
06/13/2026

Every bite of our onion burger speaks for it self🧅🍔 One taste and you’ll understand the hype!

The countdown is on!🙌⏰ Don’t forget to join us for a summer night filled with great food and good company -  &  are comi...
06/12/2026

The countdown is on!🙌⏰ Don’t forget to join us for a summer night filled with great food and good company - & are coming together for the ultimate summer night! 🍔🤩🍨 Can’t wait to see everyone here!

Great food starts with a great team🍔🙌We took some time away from the grill and headed to the lanes for a little team bon...
06/11/2026

Great food starts with a great team🍔🙌

We took some time away from the grill and headed to the lanes for a little team bonding!🎳🧡 We also took this time to honor some of our team!

We’d like to recognize Patty with The OG award for being apart of the original Duke’s team!

As well as, Alfredo for being the MVC - Most Valued Cook for his dedication of the grill!

Address

5020 Baltimore Drive
La Mesa, CA
91942

To get to Baltimore Drive in La Mesa, you can take the trolley to the Spring Street Station and then walk about 10-15 minutes to Baltimore Drive. Alternatively, you can take the bus to Baltimore Drive and Guava Avenue and then walk a few blocks to your destination.

If you prefer to drive, you can take the I-8 East and exit at Baltimore Drive. There are several parking options available, including street parking and nearby public parking lots.

Opening Hours

Monday 11am - 9pm
Tuesday 11am - 9pm
Wednesday 11am - 9pm
Thursday 11am - 9pm
Friday 11am - 9pm
Saturday 11am - 9pm
Sunday 11am - 9pm

Telephone

+16194396177

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What people say

Burger restaurants are a staple in American cuisine, and Duke's Old Fashioned Onion Burgers in La Mesa is no exception. This restaurant offers Oklahoma-style onion burgers that are fresh and delicious. The burgers are the star of the show, but their fries and milkshakes are also worth mentioning.

Duke's Old Fashioned Onion Burgers has been nominated for Best Burger and Best Fries by San Diego Reader, which is a testament to the quality of their food. The restaurant is located on Baltimore Drive, making it easily accessible for those in East County San Diego.

Their chicken sandwich is also a must-try, especially on a lazy Sunday afternoon. And if you're feeling cheesy, their cheese fries will definitely hit the spot.

Overall, Duke's Old Fashioned Onion Burgers is a great spot for lunch or dinner with friends and family. Their mouth-watering burgers and sides will leave you satisfied and wanting more. So next time you're in La Mesa, make sure to stop by Duke's Old Fashioned Onion Burgers for an unforgettable meal!

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