| America's Dog & Burger | Central Market | — | $$ | → |
| Arami | A · A7 | — | $$ | → |
| Battle of Midway | — | — | — | → |
| Beecher's Handmade Cheese | Central Market | — | $$ | → |
| Big Bowl | Central Market | — | $$ | → |
| Big City Chicken | B · B7 | — | $$ | → |
| BIG & little's | — | — | — | → |
| Big Shoulders Coffee | A | — | $$ | → |
| Big Shoulders Coffee (Central Market) Coffee shop | Main Terminal · Central Market | — | $ | → |
| Billy Goat Tavern & Grill | A · A7 | — | $$ | → |
| Billy Goat Tavern & Grill (Central Market) Burgers / Chicago diner | Main Terminal · Central Market | — | $$ | → |
| Billy Goat Tavern & Grill (Concourse A) Burgers / Chicago diner | Main Terminal · A8 | 5:00 a.m. – 9:00 p.m. | $$ | → |
| Café Descartes | Baggage Claim | — | $$ | → |
| Camden food co | B | — | $$ | → |
| Chicago Tap Room Bar / pub | Main Terminal · B5 | — | $$ | → |
| Cielo Cantina | A | — | $$ | → |
| Connie's Pizza | Central Market | — | $$ | → |
| Cousins Subs Sandwiches | Main Terminal · Central Market | — | $ | → |
| Dunkin’ Coffee & donuts · Café | Main Terminal · Concourse A | 24 Hours | $ | → |
| Dunkin’ (Central Market) Coffee & donuts | Main Terminal · Central Market | — | $ | → |
| Dunkin’ (Concourse C) Coffee & donuts | Main Terminal · C1 | — | $ | → |
| Dunkin' Donuts | Central Market | — | $ | → |
| Dunkin' Donuts Express | B · B19 | — | $ | → |
| Dunkin’ (Pre‑Security) Coffee & donuts | Main Terminal · Ticketing Hall | — | $ | → |
| Einstein Bros. Bagels | A | — | $ | → |
| Einstein Bros. Bagels (Central Market) Bagels / breakfast | Main Terminal · Central Market | — | $ | → |
| Einstein Bros. Bagels (Concourse A) Bagels / breakfast | Main Terminal · A9 | 5:00 a.m. – 12:00 p.m. (Mon–Fri) | $ | → |
| Fannie May (Concourse A Café) Coffee & sweets | Main Terminal · A11 | 5:00 a.m. – 8:00 p.m. | $$ | → |
| Farmer's Fridge | Multiple · A4A / C1 / Central Market | 24/7 (vending machines) | $$ | → |
| Fuel Bar | A | — | $$ | → |
| Garrett Popcorn Shops (Central Market) Snacks | Main Terminal · Central Market | — | $$ | → |
| Gene's Bistro | Central Market | — | $$ | → |
| Gold Coast Dogs | — | — | — | → |
| Green Market Healthy / grab‑and‑go | Main Terminal · B9 | — | $$ | → |
| Harry Caray's Shortstop | A | — | $$ | → |
| Home Run Inn | B | — | $$ | → |
| Home Run Inn Pizza Chicago thin-crust pizza · Fast casual | Main Terminal · Concourse A | 5:00 a.m. - 10:00 p.m. | $$ | → |
| Hope & Honey Biscuit Co. Breakfast / comfort food | Main Terminal · Central Market | — | $$ | → |
| Hubbard Inn | B | — | $$ | → |
| Hudson Café (B Gates) Coffee & light meals | Main Terminal · B3 | — | $ | → |
| Hudson Grab & Go (Food) Sandwiches & snacks · Grab-and-go | Main Terminal · Various concourses | 5:00 a.m. - 10:00 p.m. | $ | → |
| La Tapenade Mediterranean Café Mediterranean | Main Terminal · Central Market | — | $$ | → |
| Let’s Toast Champagne Bar Wine & champagne bar · Bar | Main Terminal · Central Market | 7:00 a.m. - 9:00 p.m. | $$ | → |
| M Burger | Central Market | — | $$ | → |
| Manchu Wok Chinese fast food | Main Terminal · B Food Court | — | $ | → |
| McDonald’s Burgers & fast food · Quick service | Main Terminal · Central Market | 24 Hours – Monday - Friday; 5:00 a.m. – 10:00 p.m. Saturday - Sunday | $ | → |
| Midway Pour House Bar / grill | Main Terminal · B11 | — | $$ | → |
| Miller’s Pub Pub / American | Main Terminal · Central Market | — | $$ | → |
| Mr. Beef | B | — | $$ | → |
| Nuts on Clark Snacks & popcorn · Grab-and-go | Main Terminal · Central Market | 6:30 a.m. - 9:00 p.m. | $ | → |
| Pegasus on the Fly Greek / Mediterranean | Main Terminal · Central Market | — | $$ | → |
| Peggy’s Famous Diner American diner · Sit-down | Main Terminal · Central Market | 5:00 a.m. - 8:00 p.m. | $$ | → |
| PorkChop | B | — | $$ | → |
| Potbelly Sandwich Shop Sandwiches & salads · Fast casual | Main Terminal · Central Market | 6:00 a.m. - 10:00 p.m. | $ | → |
| R.J. Grunts | B | — | $$ | → |
| Reilly's Daughter | — | — | $$ | → |
| Reilly’s Daughter Irish Pub Irish pub · Sit-down | Main Terminal · Concourse A | 7:00 a.m. - 10:00 p.m. | $$ | → |
| Sarah's Candies | Central Market | — | $$ | → |
| Sbarro Pizza | Main Terminal · Central Market | — | $ | → |
| Shoeshine Grill Fast casual American | Main Terminal · Central Market | — | $ | → |
| Southside Market Grab‑and‑go / bar | Main Terminal · Central Market | — | $$ | → |
| Starbucks Coffee & pastries · Café | Main Terminal · Concourse B | 4:00 a.m. - 9:00 p.m., daily | $ | → |
| Stella Bar Beer bar | Main Terminal · Central Market | — | $$ | → |
| Taco Bell Mexican-inspired fast food · Quick service | Main Terminal · Central Market | 5:00 a.m. - 12:00 a.m. | $ | → |
| Tallboy Taco | Central Market | — | $$ | → |
| The Atrium | — | — | — | → |
| The Market (Concourse B Food Court) Food court concept | Main Terminal · B1 | — | $$ | → |
| The Orange Line | B · B21 | — | $$ | → |
| TSA Burrito Mexican / burritos | Main Terminal · B7 | — | $ | → |
| Tuscany Café Italian café | Main Terminal · Central Market | — | $$ | → |
| White Sox Bar & Grill | — | — | — | → |
| Wicker Park Sushi Sushi | Main Terminal · Central Market | — | $$ | → |
| Windy City Wings Wings / bar | Main Terminal · C3 | — | $$ | → |
| Woodgrain Neapolitan Pizzeria | — | — | — | → |