$94 Cheap Delta flights from Philadelphia to St. Louis (PHL to STL)

Find The Best Day To Fly from Philadelphia to St. Louis

Amazing Delta PHL to STL Flight Deals

The cheapest flights to Lambert-St. Louis Intl. found within the past 7 days were $147 round trip and $94 one way. Prices and availability subject to change. Additional terms may apply.

Frequently asked questions

Can I catch a flight from PHL to Lambert-St. Louis Intl. Airport (STL) right now?
For info on any present Lambert Field quarantine requirements and travel advice, visit the Covid-19 Travel Advisor. Check before you arrange your flight, so you don’t get caught out en route.
What terminal is Delta Air Lines at PHL?
Before you jet off from Philadelphia Intl. Airport (PHL) to St. Louis Lambert International Airport with Delta Air Lines, it’s probably a good idea to get in touch with the airline to find out your terminal information. While your ticket should hold some of the details, we can’t guarantee it.
Are there Delta Air Lines non-stop flights from PHL to STL?
Expect a stopover when jetting from Philadelphia Intl. Airport (PHL) to STL, as Delta Air Lines doesn’t offer nonstop flights between these two locations. While in transit, you might like to purchase the local newspaper or your favorite magazine from the airport bookstore to make the time go quicker.
How long is a Delta Air Lines flight from PHL to STL?
From the minute your Delta Air Lines aircraft gets pushed back from the gate at Philadelphia Intl. Airport (PHL) to the instant it taxis into Lambert-St. Louis Intl. Airport (STL), you’ll be in your seat for roughly 3 hours and 58 minutes. With such a quick flight time, it’s an ideal spur-of-the-moment escape.
How many direct and indirect flights does Delta Air Lines fly from PHL to STL?
You’ll enjoy lots of options if you’d prefer to fly with Delta Air Lines from PHL to STL. It’s currently operating around 6 flights every day.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Lambert-St. Louis Intl. Airport (STL), please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Discover our best Delta flight from Philadelphia PHL to St. Louis STL 

To find the best deals on flights to Philadelphia from St. Louis with Delta, just enter your travel dates, filter by Delta, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.  

 

Return flights from Philadelphia PHL to St. Louis STL with Delta 

If you’re planning a round trip, booking return flights with Delta is usually the most cost-effective option. With airfares ranging from $147 to $182, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way Delta flights from Philadelphia PHL to St. Louis STL 

A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way Delta flight from Philadelphia to St. Louis costs from $94. Prices and availability subject to change. Additional terms may apply. 

 

The easy way to find cheap flights to St. Louis STL from  Philadelphia PHL with Delta 

To find a cheap Delta flight from Philadelphia PHL to St. Louis STL, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference. 

 

How to find our best airfare deals on Delta flights from Philadelphia PHL to St. Louis STL 

If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as June, or if you book a flight with a stopover. 

 

Find nonstop flights from Philadelphia PHL to St. Louis STL with Delta 

If you’re keen to be on St. Louis soil fast, don’t waste time with a stopover—filter your search results to show direct Delta flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it. 

 

Flexible airline tickets for Delta flights from Philadelphia PHL to St. Louis STL 

Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.  

 

There are a lot of reasons to book your flights to St. Louis STL from  Philadelphia PHL with Delta on Travelocity 

At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.

Delta Airports
Hop on a(n) Delta flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
ATLUSAHartsfield-Jackson Atlanta Intl.252
DTWUSADetroit Metropolitan Wayne County156
MSPUSAMinneapolis - St. Paul Intl.131
SLCUSASalt Lake City Intl.116
SEAUSASeattle - Tacoma Intl.57
LAXUSALos Angeles Intl.41
AMSNLDSchiphol31
YYCCANCalgary Intl.26
YYZCANPearson Intl.24
JFKUSAJohn F. Kennedy Intl.23

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