Cheap Flights from St. Louis (STL) to Philadelphia (PHL)

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Flights from St. Louis (STL) to Philadelphia (PHL)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Philadelphia Intl.
Distance
811 mi

St. Louis to Philadelphia Flights

Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from St. Louis to Philadelphia offer the perfect respite. Not only does exploring Philadelphia provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the cheap airfare means you won’t bust your budget. So no matter whether your ideal itinerary involves flying one way, non-stop, or round trip, you’re bound to find flights that match your schedule on Expedia, and at prices that won’t shock your wallet.

Bagging a cheap flight from St. Louis to Philadelphia may mean more dollars to spend on for one-of-a-kind souvenirs when you arrive, but it doesn’t mean you have to skimp on your travel experience, as Expedia offers a sizzling selection of cheap airlines that’ll put you in your happy place on their planes, whether that’s getting lost in a hair-raising airport thriller, dreaming on the passing landscape over a glass of bubbly, or jotting down your vacation bucket list at 38,000 feet. There’s also bound to be plenty of opportunities to snap a few photos of the high life that will make your friends green with envy. After all, enjoying the journey is part of the fun.

With so many affordable flights and so many wonderful adventures awaiting you, there’s no reason to put off booking a fantastic flight from STL to PHL today. So don’t leave it to the last minute to make your dream trip a reality: pack your bags with your go-to travel accessories, put together your list of must-see attractions and can’t-miss activities, and get ready to broaden your horizons – with Expedia, the wonders of Philadelphia are only a plane trip away. Book your travel arrangements with us today!

If you would like to book flights to Philadelphia more flexibly many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Philadelphia is now!

Frequently asked questions

How much is a one-way flight from Lambert-St. Louis Intl. Airport (STL) to Philadelphia Airport?
Book with Expedia and you could pick up one-way St. Louis flights to Philadelphia from $29. This was the best price found for this particular route with a departure date during the next three months — an Frontier Airlines flight, leaving from Lambert Field on September 14 2024 and touching down at Philadelphia Intl. Airport (PHL). The price was last updated on June 19 2024 and has not changed since. Can’t wait to snap up your own bargain flights? The best deals are just a few clicks away.
How long does it take to fly from STL to Philadelphia Intl. Airport (PHL)?
Purchase a ticket with American Airlines and you can expect to be airborne for around 2 hours and 7 minutes. This reputable carrier has a direct flight that sets off at 6:42AM from Lambert Field and touches down at Philadelphia Airport at 9:49AM. Expedia has some amazing flight deals, so find out what’s on offer on this route today.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to PHL last minute?
When it’s time to book your flights, being organized pays off. While you could find a last-minute deal on a Lambert Field to PHL flight, tickets usually don’t get cheaper as the date of departure nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to lock in a domestic flight is between 28 – 35 days ahead. For international travel it’s three to four months.
What is the cheapest airline flying from Lambert-St. Louis Intl. Airport (STL) to Philadelphia Airport in the next 90 days?
The cheapest airline traveling from St. Louis to Philadelphia found on Expedia is Frontier Airlines, which has fares starting from $29. This price is based on fares found on Expedia with a departure date within the next 90 days. The flight sets off from Lambert-St. Louis Intl. Airport (STL) on September 14 2024 and arrives at Philadelphia Intl. Airport (PHL). Pricing information was updated on June 19 2024 and has not changed since.
What's the cheapest price for a flight from Lambert Field to PHL next month?
You can pick up a flight from St. Louis to Philadelphia for just $34. This is the lowest price for this trip departing in the next month. It’s an Frontier Airlines flight heading off from Lambert-St. Louis Intl. Airport (STL) on July 13 2024 and touching down at Philadelphia Intl. Airport (PHL). The pricing info was accurate as of June 19 2024 and has not changed since. It was found after looking through all available flights on Expedia within the next 30 days.
Can I find cheap nonstop flights from Lambert-St. Louis Intl. Airport (STL) to Philadelphia Intl. Airport (PHL) in the next three months?
Get ready to bag a bargain because we’ve found a roundtrip nonstop flight with Frontier Airlines within the next 90 days for $58. The price was updated on June 19 2024 and is based on fares found on Expedia with departure dates during the next three months. This flight from St. Louis to Philadelphia leaves Lambert Field on July 10 2024 and arrives at Philadelphia Airport. The flight’s return date is July 17 2024.It’s easy to locate nonstop cheap flights from Lambert-St. Louis Intl. Airport (STL) to Philadelphia Intl. Airport (PHL) by using our filters. Start by searching for your journey, then click “Nonstop” under “Filter by” to the left of the page. Your results will be organized with the cheapest airfare first. If you don’t need to leave on a certain day, make use of our handy “Flexible dates” feature. You’ll be able to compare prices for nearby days and grab the best possible deal.
What airports do you fly into for Philadelphia from Central United States?
With Philadelphia Intl. Airport (PHL), Atlantic City Intl. Airport (ACY) and Lehigh Valley Intl. Airport (ABE) to select from, getting from Central United States to Philadelphia is a piece of cake. The city’s main hub, Philadelphia Intl. Airport (PHL), is around 7 mi southwest of the center. Apart from the price of tickets, consider things like the ease of getting from the airport and the distance to your hotel when deciding where to fly into. Get your Philadelphia adventure off to a flying start by visiting Liberty Bell Center and Independence Hall.
What are the most popular departure times for flights from St. Louis Lambert International Airport to Philadelphia Intl. Airport (PHL)?
Between 6:00 AM - 7:00 AM is when you’ll find the most American Airlines flights departing from Lambert Field to PHL. Our suggestion? Leave early. With air traffic yet to build up around airports, your odds of catching a delay-free flight are higher.
Can I change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Philadelphia Airport?
You can make changes to your STL to PHL trip by logging in to the Expedia Trips portal. Before making any amendments, check the fare conditions in your itinerary to learn what you’re able to do and if fees apply. Some airlines charge a change fee per person, in addition to any difference in airfares. However, if you booked in the last 24 hours, you may be able to cancel for free and arrange new flights. You can also take a look at our Customer Service portal for further details and to chat with our Virtual Agent.
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