Cheap flights from Baltimore to St. Louis
736 mi · 45m average nonstop
We may earn a commission at no extra cost to you.
TripRoute is an affiliate partner — when you book via Kayak we may earn commission at no extra cost to you. See how it works.
Quick answer: Baltimore to St. Louis at a glance
Cheap flights from Baltimore (BWI) to St. Louis (STL) cover 736 miles (1,184 km) in about 45m nonstop, with 2 airlines flying direct — a medium-haul domestic route. Search Kayak for today's cheapest live fare. Route difficulty 3/10.
Summary computed from real OpenFlights coordinates — not an estimate. Prices update live on Kayak.
Flying from Baltimore to St. Louis covers 736 miles (1,184 km) in approximately 0 hour 45 minutes. 2 airlines offer direct flights on this medium-haul domestic route. This is a medium-haul domestic route typically served by direct flights.
Nonstop distance 736 miles. Direct carriers include FL and WN.
We don't track historical prices for this route yet. Search live fares on Kayak for today's best price across 100+ airlines and booking sites.
Airlines on this route
2 airlines fly Baltimore → St. Louis. All are direct routes.
| Airline | Route type |
|---|---|
| FL | Direct |
| WN | Direct |
Kayak can notify you when BWI → STL fares drop — alerts are free on the same page you search and book.
Track it on Kayak — free price alertsSet alertTripRoute is an affiliate partner — when you book via Kayak we may earn commission at no extra cost to you. See how it works.
Baltimore to St. Louis — quick answers
How far is Baltimore from St. Louis by plane?
The nonstop flight distance from Baltimore (BWI) to St. Louis (STL) is 736 miles (1,184 km), calculated as a great-circle line from published OpenFlights airport coordinates. Actual flown distance is slightly longer due to airways and winds.
How long is the flight from Baltimore to St. Louis?
The average nonstop flight time from BWI to STL is 45 minutes. Gate-to-gate time is usually 20–35 minutes longer; connecting itineraries add 1–4 hours depending on the layover.
Which airlines fly from Baltimore to St. Louis?
2 airlines serve this route nonstop: FL, WN. Schedules and amenities differ by carrier — compare live frequencies and fare classes on Kayak before you book.