Cheap flights to St. Louis
31 cities have regular scheduled flights to St. Louis (STL). 20 airlines fly to the city, from major international carriers to budget low-cost options. Most flights depart from Chicago, New York City, Atlanta, Dallas, Seattle. Compare fares, choose the best option and book your tickets online at the best price. Enter your departure city above to find flights and check prices.

Atlanta — St. Louis

Denver — St. Louis

Orlando — Atlanta

Houston — Atlanta

Dallas — St. Louis

Minneapolis — St. Louis

Washington, D.C. — Atlanta

Chicago — Detroit

Detroit — Atlanta

Charlotte — Atlanta

New York City — Atlanta

Seattle — Denver
Popular departure cities to St. Louis
Flight insights to St. Louis
Data-driven trends for direct flights to St. Louis — how often airlines fly, where passengers come from, and typical fares and flight times.
Most frequent departure cities
The most frequent direct routes to St. Louis come from Chicago, New York City and Atlanta. Chicago leads with around 242 flights a week.
- Chicago242 flights/week
- New York City145 flights/week
- Atlanta110 flights/week
- Dallas101 flights/week
- Seattle99 flights/week
Top departure countries
Most direct flights to St. Louis depart from United States, Canada and Mexico. United States alone accounts for about 92% of all direct routes.
- United Statesavg $80
- Canadaavg $225
- Mexicoavg $222
- Germanyavg $473
- United Kingdomavg $523
Direct routes & fares
Popular non-stop routes to St. Louis range from Atlanta at $23 to Seattle at $123 — a quick way to compare direct-flight fares.
- Chicagofrom $76
- New York Cityfrom $95
- Atlantafrom $23
- Dallasfrom $59
- Seattlefrom $123
Cheapest departure cities
The cheapest places to fly to St. Louis from right now are Atlanta from $23, Denver from $51 and Las Vegas from $51.
- Atlantafrom $23
- Denverfrom $51
- Las Vegasfrom $51
- Orlandofrom $54
- Minneapolisfrom $56
Longest direct flights
The longest direct flight to St. Louis is from Frankfurt am Main at about 9h 59m, followed by London (9h 11m) and Punta Cana (4h 26m).
- Frankfurt am Main9h 59m
- London9h 11m
- Punta Cana4h 26m
- San Francisco4h 6m
- Seattle4h 3m
Frequently asked questions
- Which cities have flights to St. Louis?
- There are 31+ cities with regular flights to St. Louis, from major international hubs to nearby regional airports. Pick your departure city to compare fares and book.
- Where do most flights to St. Louis depart from?
- Most travelers fly to St. Louis from Chicago, New York City, Atlanta, Dallas, Seattle. These routes have the highest flight frequency and passenger traffic, so fares are usually competitive.
- How many airlines fly to St. Louis?
- 20 airlines operate flights to St. Louis, ranging from major international carriers to budget low-cost airlines. Competition helps keep fares affordable.
- When is the best time to book flights to St. Louis?
- For short-haul routes, booking 4–8 weeks ahead usually gives the best prices. For long-haul flights, aim for 2–3 months ahead. Prices also drop in off-peak seasons and for midweek departures.
- How to find cheap flights to St. Louis?
- Compare offers from multiple airlines, use flexible dates and set up price alerts. Our platform lets you track price trends and choose the best time to buy your tickets.