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This Weekend's Flight Deals to St. Louis

This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fares from $39 One Way, $78 Round Trip from Philadelphia to St. Louis

Prices starting at $78 for return flights and $39 for one-way flights to St. Louis were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

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More About Flying To St. Louis from Philadelphia

Route Information for Flights from Philadelphia to St. Louis

Origin Airport IATA CodeILG
Destination Airport IATA CodeSTL
Distance811 mi
Direct Flight AirlinesAmerican Airlines
Earliest Flight Arrival4:23PM UTC
Latest Flight Arrival5:06AM UTC

Fly from Philadelphia to St Louis

Information on Philadelphia Airports

Booking flights from Philadelphia has never been easier, with Orbitz.com facilitating the ideal travel arrangements for any budget size. Orbitz.com makes low-fare bookings at the airlines operating at Philadelphia International Airport (PHL) and Northeast Philadelphia Airport, which include Delta, United and Southwest Airlines. PHL is seven miles southwest of downtown Philadelphia and boasts seven terminals, with terminals A-East and A-West serving international travellers. It has more than 120 boarding gates, covering an approximate 2.4 million square feet.

Parking at Philadelphia Airports

Philadelphia International Airport is among the world's busiest airports, which makes parking difficult at time. Orbitz.com can help you find the best parking arrangement for your situation and budget. Besides getting you great deals on flights from Philadelphia, they also arrange for affordable and safe parking at the numerous ground-level, short-term parking lots next to the terminals, as well as economical valet and luggage assistance services. You are easily able to find the 24-hour free shuttle services, taxis and car rentals.

Transport Services at Philadelphia Airports

There is a rail service operated by the Southeastern Pennsylvania Transportation Authority to take you from any terminal to downtown Philadelphia through the High Speed Airport Line, and it only costs $5.50. Orbitz.com will also get you efficient and low-fare taxi or shuttle bus transport service to PHL, via the Interstates 76, 95 and 476. This efficiency will ensure you do not miss your flight from Philadelphia.

Restaurants at Philadelphia Airports

Sheraton Suites, Days Inn Springfield, Wyndham Garden, Marriott and Comfort Inn are some of the best restaurants located close to Philadelphia International Airport. For Philadelphia Northeast Airport, visit Dining Car & Market restaurant. They provide breakfast, late-night dining, American cuisines and home-style meals. In addition to cheap flights from Philadelphia, Orbitz.com has an immense selection of Philadelphia hotels to pick from.

Lambert-St. Louis International Airport

Allow Orbitz.com to help you book flights to St. Louis. Lambert-St.Louis International Airport is located 10 miles northwest of St. Louis. Over 13 million passengers pass through the airport each year. It is the largest airport in the state of Missouri and services 255 daily departures to over 90 cities, domestically and internationally. Southwest Airlines is based out of Lambert, and Air Canada, Alaska Airlines, Cape Air, Delta and American Airlines all have major hubs at Lambert. You can use Orbitz.com to book bargain tickets on your next trip to the St. Louis area.

St. Louis International Airport Transportation

St. Louis International Airport offers a variety of transportation services for the busy traveler. Shuttle services, rental cars, and public transportation are available at the airport. Go Best Express Airport Shuttle is a popular shuttle service for group transportation. One-way fares start at $17. The MetroLink is St. Louis' rail system and operates 37 stations throughout the city. One-way fares cost $2.

St. Louis Weather

St. Louis has distinct seasons. Summers are hot, and temperatures can get as high as 90 degrees F. Spring is usually a rainy season for St. Louis, so it is best to pack an umbrella for your trip during March, April and May. Fall is usually mild, with temperatures averaging 57 degrees F. Winters can be freezing, with temperature falling to 20 degrees F. Bring a warm coat and boots during winter trips to St. Louis.

Popular Attractions in St. Louis

St. Louis offers a variety of attractions for visitors. Some popular attractions include the famous Gateway Arch, Six Flags of St. Louis, the Saint Louis Zoo and Forest Park. St. Louis is also home to several theaters, such as the Ferrara Theatre, Fox Theatre, and Grand Center. Some popular museums include the St. Louis Children's Museum and the Beall Mansion Museums. Book flights to St. Louis with the help of Orbitz.com to visit these popular attractions.

Flights from Philadelphia to St. Louis - Frequently Asked Questions

Are there non-stop flights from Philadelphia to St. Louis?

There are, which is awesome news if you're not a huge fan of layovers. American Airlines and Southwest Airlines operate direct flights from Philadelphia, PA (PHL-Philadelphia Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.).

What is the shortest flight from Philadelphia to St. Louis?

If conditions are good and there are no delays, you could be disembarking at St. Louis, MO (STL-Lambert-St. Louis Intl.) from Philadelphia, PA (PHL-Philadelphia Intl.) in as little as 2 hours and 20 minutes. With such a fast flight time, consider taking hand luggage only.

What airlines fly from Philadelphia (and vicinity) to St. Louis (and vicinity) most frequently?

Consider booking a ticket with American Airlines (AA), which flies frequently along this route. This airline offers 97 flights every month between Philadelphia, PA Airport (PHL-Philadelphia Intl.) and St. Louis, MO Airport (STL-Lambert-St. Louis Intl.). If you can't find the right flight there, take a look at Southwest Airlines (WN). This airline is a terrific alternative and operates 55 flights from Philadelphia (and vicinity) to St. Louis (and vicinity) monthly.

If I am not able to travel due to COVID-19, can I cancel my flight to St. Louis?

We get that traveling right now has its challenges, so it's good to know that many reservations booked through us are able to be cancelled or changed. If your travel plans to St. Louis have been affected by COVID-19, a lot of airlines are making things easier by offering credits to use at a later date. Just sign in to your account and you'll quickly see what options are available. Our Customer Service Portal is the place to go for more information.

Are there flights to St. Louis with flexible change policies?

In most cases you'll have the option to reschedule your flight to St. Louis without a change fee. All you have to do then is pay the difference between the old flight and the new one. Look for the "no change fees" filter and book with confidence.

What is the cheapest day of the week to fly?

Consider flying out early in the week to save on your airfare. Orbitz data from 2019 shows that Tuesday is the cheapest day to depart, followed by Monday. Saturday showed the highest average ticket prices likely because many travelers prefer to start their vacation on a weekend.

What is the cheapest month to fly?

We won't keep you guessing, according to Orbitz data the cheapest month to fly is February. Perfect for those who need a weekend getaway, or just a fresh start to the new year. Be aware that the most expensive time to fly isn't the height of summer, as most people assume, but the festive month of December.

How can I save money on flights?

To really save big on your next vacation, think outside the box. Select two different airlines or fare types for your return trip and you'll generally get a much better deal. Those who tried this on Orbitz in 2019 saved over 50% on their airfares. Get mixing and matching today!

*According to flight demand on Orbitz.com from January to December 2019. Savings are subject to change based on departure location, date and destination.

^Savings based on all package bookings with Flight + Hotel made on Orbitz.com from January 1, 2019 to December 31, 2019 as compared to the price of the same components booked separately. Savings will vary based on origin/destination, length of trip, stay dates and selected travel supplier(s). Savings not available on all packages.