Customers who order through Grubhub and spend at least $15 can get a second Whopper Jr. at no added cost
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Burger King is running a buy-one-get-one deal on its Whopper Jr. through Grubhub, available through July 5. According to Allrecipes, adding two Whopper Jr. sandwiches to the cart and reaching the $15 order minimum triggers automatic application of the discount at checkout.
A basic Grubhub account is sufficient to access the promotion — no Grubhub+ subscription required, Allrecipes notes. The order can be placed on either the Grubhub app or its website.
Allrecipes describes the Whopper Jr. as combining lettuce, mayonnaise, ketchup, pickles, and sliced white onions with a flame-grilled beef patty, all served on a toasted sesame seed bun. Cheese is not part of the standard build, but a slice of American cheese is available as a paid upgrade.
The promotion is part of a broader summer campaign on Grubhub that includes deals from other chains. Allrecipes reports that Grubhub plans to roll out further summer promotions tied to Taco Bell, Wingstop, Pizza Hut, and Subway in the weeks ahead.
Burger King has been active with promotional offers this year. The chain ran a free hamburger promotion tied to National Hamburger Day in May, offering customers who spent at least $3 a complimentary hamburger through its Royal Perks loyalty program. That deal also included a Spotify $SPOT Premium incentive for Royal Perks members who spent $10 or more.
Burger King's parent company, Restaurant Brands $QSR International, reported a 5.8% increase in same-store sales at Burger King U.S. in the first quarter of 2026, roughly double what analysts had expected. The company has attributed part of the growth to its ongoing "Reclaim the Flame" initiative, which includes restaurant renovations and advertising investments. By the end of March, Restaurant Brands had spent $189 million of the $550 million earmarked for restaurant remodeling.
Grubhub, which is owned by Wonder, operates a delivery marketplace with more than 415,000 merchants across more than 4,000 U.S. cities, the company said.
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