Recent social media posts
09/25/2026
Cold coffee. Hot candidate. ☕
09/23/2026
The Krusty Burger of Terror Combo has been unleashed on the Jack App. Your cravings can run, but they can't hide. 🤡🔪Watch SEP 27 on FOX, stream on Hulu and Disney+.
09/21/2026
D'oh-n't turn the lights on just yet. 🍩
Collect all six glow in the dark cups with the Munchie Meal of Horror. Watch SEP 27 on FOX, stream on Hulu and Disney+.
09/19/2026
It’s Jack in the Box—not Krusty in the Box—for the Munchie Meal of Horror. Watch SEP 27 on FOX, stream on Hulu and Disney+.
09/18/2026
Out of cups? 👀 Don’t worry, Jack’s got you.
If you purchase a Munchie Meal of Horror while your Jack is out of cups, you’ll get a voucher for the cup you purchased — plus 2 free tacos, on me. 🌮🌮
Watch Sundays on FOX, stream on Hulu and Disney+.
09/16/2026
Some cravings are normal. Some belong in the Treehouse of Horror. 👻 Swipe to discover…Your cursed craving awaits. 🌙 Watch SEP 27 on FOX, stream on Hulu and Disney+.
09/14/2026
Burger Week is here, and we’ve got three reasons to celebrate!🍔
🍔 All week long: $5.99 Sourdough Jack® (valid 1x)
🍔 Sept. 15: Buy one Double Jack®, get one 50% off for National Double Cheeseburger Day (valid 1x)
🍔 Sept. 18: FREE Jr. Cheeseburger with a $1+ order for National Cheeseburger Day (valid 1x)
Available exclusively in the Jack App.
09/13/2026
👽 Kang and Kodos said delivery from another dimension couldn't be done.
We did it anyway.
The Munchie Meal of Horror:
🍔 Double Krusty Burger of Terror or 🥪 Double Chicken Sandwich of Terror🌮 2 Tacos, 🌀 Curly Fries, 🥤 Drink + 🥤One of six collectible glow-in-the-dark cups. Available now 👻🌙🍔
Watch Sundays on FOX, stream on Hulu and Disney+.
09/10/2026
If anything happens to me, it was probably this guy... The Simpsons Treehouse of Horror x Jack in the Box menu available now. Watch Sundays on FOX, stream on Hulu and Disney+.
09/09/2026
i have to half it so i can have 🍔
09/07/2026
Kiss goodbye to mom paying for every meal 😔💋
Luckily that's where I come in to help with:
⚡ $1 Breakfast Jack® w/ order of a Red Bull® Can or Infusion
⚡ $1 Red Bull® w/ order of a Breakfast Croissant
⚡ Free regular-size fries (Curly or French) or dessert w/ order of a Red Bull Infusion
Offers valid 1x per week (Mon.-Sun.) for new and existing Jack Pack Rewards members. Available only in the Jack App. Dessert excludes shakes.
09/05/2026
Be honest: what sound did you make in your head?🥤
09/03/2026
$500 isn't the only thing I'm giving away 👀
For any students surviving on a budget, I've got you:
⚡ $1 Breakfast Jack® w/ order of a Red Bull® Can or Infusion
⚡ $1 Red Bull® w/ order of a Breakfast Croissant
⚡ Free regular-size fries (Curly or French) or dessert w/ order of a Red Bull Infusion
Offers valid 1x per week (Mon.-Sun.) for new and existing Jack Pack Rewards members. Available only in the Jack App. Dessert excludes shakes.
09/01/2026
the fortune doesn't lie 🥠 get 2 tacos for $.75, no purchase requirement, in-app only for one day only
09/01/2026
Donate $1 to No Kid Hungry at Jack in the Box and get a free small curly fry on your next visit.
08/31/2026
Get Free 2 Tacos w/ $1 minimum order
1x only on 8/31 only on the Jack App
08/28/2026
nothing better than tacos unless it's more tacos. 🌮
08/27/2026
Did you catch everything revealed today? If not, Jack delivers.
08/26/2026
The universe gave you a week-long head start. 🛸
Don't waste it.
Cosmic Cheeseburgers are only at my 1220 Centinela Ave, Inglewood, CA location through September 2. 🌌🍔
08/24/2026
Early class. Low battery. We got you. ⚡
Pair any Red Bull Can or Infusion with a Breakfast Jack for just $1 in the Jack App.
Valid 1x per week.
08/21/2026
friends = me, myself, and I
08/20/2026
What's more whimsical than my new Cosmic Cheeseburger? 🛸🪐🌟 Available for 2 weeks only at 📍1220 Centinela Ave, Inglewood, CA 90302
08/19/2026
body: resurrected
12/13/2018
Click here for great offers and stuff!
Burgers. Breakfast. Tacos and more. All of Jack’s favorite things in one place.
Address
393 W Main Street
El Cajon, CA
92020
To get to the fast food and burger restaurant located on W Main Street in El Cajon, there are several options for both public transport and driving.
If using public transportation, take the trolley to the El Cajon Transit Center. From there, transfer to either the 864 or 832 bus and get off at the Main St & Lincoln Av stop. The restaurant is just a short walk from there.
For those driving, take the I-8 East and exit at Second St/Main St. Turn right onto W Main St and continue straight for approximately 1 mile. The restaurant will be on your right-hand side.
Parking is available in the parking lot adjacent to the restaurant.
Opening Hours
| Monday |
4:30am - 3:30am |
| Tuesday |
4:30am - 3:30am |
| Wednesday |
4:30am - 3:30am |
| Thursday |
4:30am - 3:30am |
| Friday |
4:30am - 3:30am |
| Saturday |
4:30am - 3:30am |
| Sunday |
4:30am - 3:30am |
Alerts
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What people say
Fast food restaurants are a go-to for those who crave quick and delicious meals. Jack in the Box on W Main Street in El Cajon is no exception. This fast food restaurant offers a wide variety of menu items, from burgers to tacos to egg rolls, satisfying all cravings.
Customers have taken to social media to express their love for Jack in the Box's food. One customer raved about the egg rolls, stating that they tasted as good as they looked. Another couldn't decide what to get, so they got it all! The 2 for .99 tacos deal on the app or online was also a hit among customers.
Jack in the Box even offers unique menu items like their Pineapple Express family, which includes a Shake, Red Bull Infusion, and Chicken Sandwich (available at select locations). And for those who want something sweet for breakfast or breakfast for dessert, Jack in the Box has got you covered.
Overall, Jack in the Box on W Main Street in El Cajon is a great option for those looking for fast and delicious food options.