Opening hours
Opening hours not available
We don’t have confirmed opening hours for Sonic yet. Call (636) 272-1838 to check before you go.
Typical hours for fast food restaurants in O'Fallon
Most fast food restaurants in O'Fallon open around 7:00 AM and close around 10:00 PM on weekdays; 100% are open on Sundays and 85% stay open until 10 PM or later.
Based on 13 similar places in our guide.
Location & directions
312 South Main StreetO'Fallon, MO 63366
About Sonic
Sonic is a fast food restaurant you'll find at 312 South Main Street in O'Fallon, Missouri. It's part of our guide to 93 restaurants, cafes and bars in O'Fallon.
Service options include takeout and drive-through. On the menu: burgers.
You can reach the team at (636) 272-1838.
Quick facts
- Category
- Fast Food Restaurant · Burger
- Address
- 312 South Main Street, O'Fallon, MO 63366
- Phone
- (636) 272-1838
- Listing updated
- · Suggest an edit
Popular times (typical for fast food restaurants)
Fast food restaurants are usually busiest around 12 PM on Fridays; one of the quieter times is around 9 AM on weekdays.
Based on typical visit patterns and the usual opening hours of fast food restaurants in O'Fallon.
Typical prices for fast food restaurants in Missouri
Based on 8 menus with 313 priced items from fast food restaurants in Missouri, the median menu item costs $6.75, and half of all items are priced between $3.59 and $11.74.
We don’t have Sonic’s own menu on file yet, so use these figures as a guide to what fast food restaurants in Missouri typically charge.
Calculated from 8 menus in our guide. Prices vary by location and change over time.
Features & amenities
Service options
- Takeout
- Drive-through
The neighborhood
Within a 10-minute walk (half a mile) of Sonic there are 12 other places to eat and drink in our guide, and 40 within one mile. By type, the places within a mile include Pizza (7), Sandwiches & Delis (7), Burgers & Fast Food (6), and Mexican & Tex-Mex (5).
Competition is healthy: 6 other fast food restaurants are within a mile and 14 within three miles. The closest is Jack in the Box, 0.1 mi away.
10 places within a mile stay open until 10 PM or later on at least one night a week.
Nearest places of other kinds
- Cafes & CoffeeMade Today Cafe and Bakery< 0.1 mi
- Bars & PubsMcGurk's Public House0.2 mi
- Bakeries & DessertsBaskin-Robbins0.2 mi
- Mexican & Tex-MexTaco Bell0.3 mi
- Sandwiches & DelisArby's0.5 mi
What to expect at a fast food restaurant
Burger joints and fast-food restaurants are built for speed: order at a counter, kiosk, app or drive-through and expect your food in minutes. The category ranges from national chains with identical menus everywhere to independent burger stands, regional favorites with cult followings and modern “better burger” shops that grind their own beef.
What to order
- Classic cheeseburger – the signature item almost everywhere
- Fries or onion rings – ask for them fresh if the line is short
- Chicken sandwich – a fierce battleground between chains in recent years
- Milkshake – hand-spun shakes are a hallmark of independent burger stands
Good to know
- Ordering ahead in the brand’s app usually skips the line and unlocks app-only deals.
- The lunch rush peaks around noon to 1 PM; mid-afternoon is the quickest time to visit.
- Drive-through hours can differ from lobby hours – the lobby often closes earlier at night.
Reviews
Write a reviewNo visitor reviews yet. Been to Sonic? Share your experience to help other diners.
Frequently asked questions
Where is Sonic located?
Sonic is located at 312 South Main Street, O'Fallon, MO 63366.
What is the phone number of Sonic?
You can call Sonic at (636) 272-1838.
Does Sonic offer delivery or takeout?
Delivery is not listed for Sonic, and takeout is available. Listed service options: takeout and drive-through.
What else is near Sonic?
There are 40 other places to eat and drink within a mile of Sonic. Nearby options include Made Today Cafe and Bakery (< 0.1 mi), McGurk's Public House (0.2 mi), and Baskin-Robbins (0.2 mi).
Are there other fast food restaurants near Sonic?
6 other fast food restaurants within a mile. The closest is Jack in the Box, 0.1 mi away.
How much do fast food restaurants in Missouri cost?
Based on 8 menus with 313 priced items from fast food restaurants in Missouri, the median menu item costs $6.75, and half of all items are priced between $3.59 and $11.74.
Nearby places
All in O'Fallon
Listing data © OpenStreetMap contributors, ODbL. Details may have changed – please verify with the business.