Denny's vs Jack in the Box: Menu Prices Compared (2026)
The short answer
Jack in the Box is the cheaper of the two. Of the 4 directly comparable items we could match across both menus, Jack in the Box is cheaper on 4 of them, by an average of $4.52 per item.
Deals Worth Knowing at Both
Denny's
- The $5.99 Everyday Value Slam is the cheapest sit-down breakfast at any national chain — two pancakes, an egg and meat.
- Build Your Own Grand Slam at $12.49 gives four items; ordering the same four à la carte typically costs $4 to $6 more.
- The 55+ menu takes roughly $2 to $3 off the standard versions of the same dishes for guests 55 and older.
Jack in the Box
- Two tacos for $1.79 is the cheapest hot food at any major chain, and they are available 24 hours a day.
- The Munchie Meal at $12.49 bundles an entree, two sides, two tacos and a drink — roughly $5 less than buying the same items separately.
- Breakfast is served all day, so a $3.29 Breakfast Jack works as a cheap dinner.
Denny's vs Jack in the Box — FAQ
Is Denny's cheaper than Jack in the Box in 2026?
Jack in the Box is cheaper on most matched items — 4 of 4. Across the whole menu Jack in the Box is the lower-priced of the two, at $4.99 for a typical item against $13.29 at Denny's.
What is the price difference between Denny's and Jack in the Box?
On matched items the average difference is $4.52, or about 60% overall. Denny's averages $12.28 across 41 priced items; Jack in the Box averages $4.94 across 44.
Which has the cheaper entry price, Denny's or Jack in the Box?
Denny's starts at $3.49 (Coffee (bottomless)) and Jack in the Box at $1.79 (Two Tacos).
Are these prices the same at every location?
No. Both chains let franchise owners set prices, so figures move by a dollar or more between markets and run highest at airport, stadium and highway locations. Treat these as the typical U.S. price, not a quote.