Cheap flights from St. Louis to Philadelphia (STL - PHL) from $29

Booking a flight from Lambert-St Louis (STL) to Philadelphia (PHL) is your only option if you wish to fly from St. Louis to Philadelphia. On a typical day, there are 4 flights from Lambert-St Louis to Philadelphia, all of which are around 2h 09m for a nonstop flight. You can also purchase a plane ticket from 5 airlines when you book a flight from Lambert-St Louis to Philadelphia.

Yes, there are multiple flights from St. Louis to Philadelphia for under $100. The cheapest flight booked recently is on Frontier for just $48, but on average you can expect to pay $89.

Cheapflights has at least 20 direct flights from St. Louis to Philadelphia under $100. A good price for a nonstop flight from St. Louis to Philadelphia is less than $91.

There are currently 20+ open flights from St. Louis to Philadelphia within the next 7 days for less than $100.

Within the past month, 8 users have taken a look at flights from Lambert-St Louis to Philadelphia.

Cheapflights users have booked flights from St. Louis to Philadelphia round-trip from $48. Other airlines that can offer you cheap pricing are American Airlines, from $131, and Spirit Airlines, from $138. These flights start at 86% lower than the current average price 3 months from now.

For one-way options, check prices for Frontier. According to our data, you can fly for as low as $29. Users have also found prices from $62 and $66 on Spirit Airlines and American Airlines, respectively.

No one likes to see their flight delayed. When booking a flight from St. Louis to Philadelphia consider choosing Iberia (85%), British Airways (85%) or Aer Lingus (84%) as they are the most reliable in getting you off to your destination on time.

While on average a flight from St. Louis to Philadelphia is generally $986, our data shows the cheapest flight currently is $54. When looking at the most popular route, (Lambert-St Louis - Philadelphia), you can expect to pay $114 for that flight.

Lambert-St Louis Airport is STL and Philadelphia Airport is PHL. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

The amount of baggage you can bring on your St. Louis to Philadelphia flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

Yes, Cheapflights allows you to browse and filter St. Louis to Philadelphia flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

Yes. In addition to deals on St. Louis to Philadelphia flights, Cheapflights offers vacation packages that include both flights and hotel.

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Philadelphia.

Yes. Cheapflights offers flight deals from St. Louis to Philadelphia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Many airlines flying from St. Louis to Philadelphia offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

Yes, you can often find last-minute deals on St. Louis to Philadelphia flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

The St. Louis to Philadelphia flight deals you see on this page were last updated on 6/6.

The most popular airlines flying from St. Louis to Philadelphia are American Airlines, Delta and Frontier. Something to consider prior to booking your flight.

Currently, October is the cheapest month in which you can book a flight from St. Louis to Philadelphia (average of $227). Flying from St. Louis to Philadelphia in July is currently the most expensive (average of $298). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.