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.

Recent social media posts

Never frozen beef, fresh toppings and cooked to perfection - it’s the best way to enjoy an onion burger🙌🍔🧅🤩
09/25/2026

Never frozen beef, fresh toppings and cooked to perfection - it’s the best way to enjoy an onion burger🙌🍔🧅🤩

Onion-forward. Flavor-Loud🧅🍔🤤 that’s how we do it at Duke’s Old Fashioned Onion Burgers
09/23/2026

Onion-forward. Flavor-Loud🧅🍔🤤 that’s how we do it at Duke’s Old Fashioned Onion Burgers

We’re not saying cheese fries fix everything…but they definitely help🧀🍟😉       🍟
09/22/2026

We’re not saying cheese fries fix everything…but they definitely help🧀🍟😉
🍟

We’re not saying you need a hot dog…but look at this👀🤩🌭
09/20/2026

We’re not saying you need a hot dog…but look at this👀🤩🌭

Smash, stacked and loaded with onions🤤🧅🍔
09/19/2026

Smash, stacked and loaded with onions🤤🧅🍔

09/18/2026

NEW MENU ITEM - introducing The Wedge: iceberg lettuce, sliced onions, bacon, tomato, blue cheese & your choice of dressing🥬🥓🧅🍅🍴 Come try it today - here for a limited time!

It’s National Cheeseburger Day!🍔🙌 The perfect way to celebrate is with a Duke’s Old Fashioned Onion Burger🧅🍔😋
09/18/2026

It’s National Cheeseburger Day!🍔🙌 The perfect way to celebrate is with a Duke’s Old Fashioned Onion Burger🧅🍔😋

We take our onions very serious around here😋🧅🍔Come see why everyone is talking about Duke’s Old Fashioned Onion Burgers ...
09/17/2026

We take our onions very serious around here😋🧅🍔Come see why everyone is talking about Duke’s Old Fashioned Onion Burgers

Dukes Night Out is happening September 22nd! When you dine at Duke’s 10% of the purchase will benefit Maryland Avenue El...
09/15/2026

Dukes Night Out is happening September 22nd! When you dine at Duke’s 10% of the purchase will benefit Maryland Avenue Elementary PTA📚🚌✏️ Join us from 11am-9pm to support Maryland Elementary!

Nothing can beat a basket of fresh cut french fries🤤🍟🙌 Come grab some today!
09/13/2026

Nothing can beat a basket of fresh cut french fries🤤🍟🙌 Come grab some today!

Talk about a perfect view😌🧅🍔
09/12/2026

Talk about a perfect view😌🧅🍔

09/11/2026

BURGER + CHURRO FRIDAY🙌😋

Your favorite Friday night is almost here! Join Duke’sOldFashionedOnionBurgers & ★ COME GET YOUR FIX★ on Sept. 18th from 6-9pm for ultimate onion burgers and churros - don’t miss out!

Because every meal deserves a sweet ending😉🥤🍨 and our classic milkshakes are the perfect treat!
09/09/2026

Because every meal deserves a sweet ending😉🥤🍨 and our classic milkshakes are the perfect treat!

A little savory, a little indulgent, and completely irresistible🥩🧀🍟😋 Stop by and dig into our Steak and Blue Cheese Frie...
09/08/2026

A little savory, a little indulgent, and completely irresistible🥩🧀🍟😋 Stop by and dig into our Steak and Blue Cheese Fries!

09/08/2026
The secret is in the onions🧅🔥 and the grill is proof we don’t skimp on them either👀😋
09/06/2026

The secret is in the onions🧅🔥 and the grill is proof we don’t skimp on them either👀😋

09/05/2026

Watch closely👀🧅🍔 you might miss it

The best thing about a customizable menu - your burger, your way🤩🙌🍔🧅 Are you putting jalapeños on the burger, on the sid...
09/04/2026

The best thing about a customizable menu - your burger, your way🤩🙌🍔🧅 Are you putting jalapeños on the burger, on the side or no jalapeños?

When we say the Keila Fries are loaded… we mean it😉🍟 With onions and jalapeños fried in and then topped with cheese sauc...
09/02/2026

When we say the Keila Fries are loaded… we mean it😉🍟 With onions and jalapeños fried in and then topped with cheese sauce, cheese and bacon🧀🥓🌶️🧅

Creamy, dreamy and bursting with citrusy flavor🍊🍨 Say hello to our Orange Dreamsicle Milkshake of the Month - come sip o...
09/01/2026

Creamy, dreamy and bursting with citrusy flavor🍊🍨 Say hello to our Orange Dreamsicle Milkshake of the Month - come sip on summer while you can!

Onions, melted cheese, bacon and a burger that means business🤩🧅🍔🔥
08/29/2026

Onions, melted cheese, bacon and a burger that means business🤩🧅🍔🔥

That crispy chicken sandwich craving? We’ve got you😋🙌🔥 Finished with our house-made dill sauce for the perfect bite     ...
08/28/2026

That crispy chicken sandwich craving? We’ve got you😋🙌🔥 Finished with our house-made dill sauce for the perfect bite

Good burgers. Lots of onions. No explanation needed🤤🧅🍔
08/27/2026

Good burgers. Lots of onions. No explanation needed🤤🧅🍔

08/26/2026

we all have that one coworker🙃🤣 but they make the work days fun so sometimes you just gotta join them

When fries just aren’t enough 🍟🤌 The Oakie takes it up a notch with an onion burger and country gravy
08/25/2026

When fries just aren’t enough 🍟🤌 The Oakie takes it up a notch with an onion burger and country gravy

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!