On this page, you can find and buy flight tickets for the St. Louis — Philadelphia route. The flight between these US cities covers a distance of 1,304 km, with a flight frequency of approximately 11 flights per week.
Flights on this route are operated by American Airlines and Iberia. Ticket prices are dynamic, so use the price chart to choose the best date and check how to get to St. Louis airport and transfer options from Philadelphia airport in advance.
The table shows direct flights St. Louis → Philadelphia on the selected date. The flight takes approximately 2 h 19 min. Regular flights are operated by American Airlines and Iberia. Departures from Lambert-St. Louis International Airport airports, arrivals at Philadelphia International Airport and Trenton-Mercer Airport.
For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.
Below is a calendar of the lowest flight ticket prices for St. Louis — Philadelphia by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from AED 243 in ,, and the most expensive are around AED 946 in r. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.
St. Louis → Philadelphia, average one-way price
| Month | Average price | Level | Month | Average price | Level | Month | Average price | Level |
|---|---|---|---|---|---|---|---|---|
| Jan | AED 630 | low | May | AED 707 | low | Sep | AED 707 | low |
| Feb | AED 669 | low | Jun | AED 866 | high | Oct | AED 751 | medium |
| Mar | AED 789 | medium | Jul | AED 987 | high | Nov | AED 948 | high |
| Apr | AED 751 | medium | Aug | AED 669 | low | Dec | AED 905 | high |
Some values are estimated based on seasonality.
July is considered the warmest and rainiest month in Philadelphia, with average temperatures reaching 30.3°C. The coldest weather and lowest temperatures, down to -1.5°C, are observed in January, which is worth considering when planning your trip.
The lowest flight prices are recorded for July, starting AED 317. The peak price period is December, when the cost of a one-way flight can start AED 946.
September is a great compromise for a flight: during this time, temperatures remain comfortable at around 25.4°C, and rainfall decreases. It is recommended to avoid booking for December due to high ticket costs.
Two airlines operate on the St. Louis — Philadelphia route, with American Airlines being the primary carrier. Direct flights provide a fast connection between the cities, while additional flight options are available thanks to a partnership with Iberia. Detailed information about the flight schedule and specific days of the week can be found in the interactive list of airlines below.
Flights St. Louis — Philadelphia depart from Lambert-St. Louis International Airport and arrive at Philadelphia International Airport and Trenton-Mercer Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.
The approximate travel time for a direct flight is about 2 hours, as the cities are 1,304 km apart.
Regular flight service between the cities is provided by American Airlines and Iberia.
All major flights from St. Louis (STL) arrive at Philadelphia International Airport (PHL).
Ticket prices change depending on the season; you can always check the current minimum in the low price calendar on this page.
To find the most favorable fares, we recommend booking 4–8 weeks before departure.
Where travelers fly most — pick a route and check prices
