Q: Can I fly back to Lambert-St Louis from Philadelphia?

Returning to Lambert-St Louis from Philadelphia COVID-19 testing requirements Visitors from Philadelphia are not required to present a negative COVID-19 PCR test or antigen result upon entering Lambert-St Louis. Quarantine requirements Visitors from Philadelphia are not required to quarantine after entering Lambert-St Louis.

Question 1

What days are nonstop flights available from St. Louis to Philadelphia?

Accepted Answer

You can find nonstop flights on the following days: Sunday, Monday, Thursday, Friday, Saturday.

Question 2

How popular is this St. Louis to Philadelphia flight route?

Accepted Answer

Within the past month, 12 users have taken a look at flights from Lambert-St Louis to Philadelphia.

Question 3

How many flights depart from St. Louis to Philadelphia on average per day?

Accepted Answer

On average 9 flights depart from St. Louis to Philadelphia per day.
Afternoon (Noon - 6pm) - 100% of flight departures

Question 4

How long is the flight from St. Louis to Philadelphia?

Accepted Answer

There are many flights that can get you from St. Louis to Philadelphia in 6h 39m. Fly via Spirit Airlines or Frontier to get the fastest option. Airlines will cover a distance of 816 mi. This flight may include one or multiple stops.

Question 5

What are the cheapest airlines flying from St. Louis to Philadelphia round-trip?

Accepted Answer

Cheapflights users have booked flights from St. Louis to Philadelphia round-trip from $153. Another airline that can offer you cheap pricing is Frontier. These flights start at 59% lower than the current average price 3 months from now.

Question 6

What are the cheapest airlines to fly from St. Louis to Philadelphia one-way?

Accepted Answer

For one-way options, check prices for Frontier. According to our data, you can fly for as low as $65. Users have also found prices from $107 and $131 on Spirit Airlines and American Airlines, respectively.

Question 7

Can I fly to Philadelphia from Lambert-St Louis right now?

Accepted Answer

Information is based on travel restrictions for travel to Philadelphia within the United States

Most visitors from Lambert-St Louis need to provide a negative COVID-19 test result and/or quarantine to enter Philadelphia.

COVID-19 testing requirements
Visitors from Lambert-St Louis are not required to present a negative COVID-19 PCR test or antigen result upon entering Philadelphia.

Quarantine requirements
Visitors from Lambert-St Louis are not required to quarantine after entering Philadelphia.

Documents
Passenger Disclosure and Attestation - To be filled out by travelers from the People’s Republic of China and designated airports including Incheon International Airport (ICN) in Seoul, the Republic of Korea; Toronto Pearson International Airport (YYZ) in Canada; and Vancouver International Airport (YVR) in Canada.

Question 8

Can I fly back to Lambert-St Louis from Philadelphia?

Accepted Answer

Returning to Lambert-St Louis from Philadelphia

COVID-19 testing requirements
Visitors from Philadelphia are not required to present a negative COVID-19 PCR test or antigen result upon entering Lambert-St Louis.

Quarantine requirements
Visitors from Philadelphia are not required to quarantine after entering Lambert-St Louis.

Question 9

What are the most popular airlines that fly from St. Louis to Philadelphia?

Accepted Answer

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

Question 10

What are the cheapest flights from St. Louis to Philadelphia?

Accepted Answer

While on average a flight from St. Louis to Philadelphia is generally $592, our data shows the cheapest flight currently is $81. When looking at the most popular route, (Lambert-St Louis - Philadelphia), you can expect to pay $151 for that flight.

Question 11

What are the most reliable airlines from St. Louis to Philadelphia?

Accepted Answer

No one likes to see their flight delayed. When booking a flight from St. Louis to Philadelphia consider choosing Aer Lingus (92%), American Airlines (78%) or Southwest (74%) as they are the most reliable in getting you off to your destination on time.

Question 12

Can I find flights from St. Louis to Philadelphia for under $200 on Cheapflights?

Accepted Answer

Yes, there are multiple flights from St. Louis to Philadelphia for under $200. The cheapest flight booked recently is on Multiple Airlines for just $151, but on average you can expect to pay $187.

Question 13

Are there nonstop flights from St. Louis to Philadelphia for under $300 on Cheapflights?

Accepted Answer

Cheapflights has at least 20 direct flights from St. Louis to Philadelphia under $300. A good price for a nonstop flight from St. Louis to Philadelphia is less than $387.

Question 14

Are there last-minute flights available from St. Louis to Philadelphia for under $200?

Accepted Answer

There are currently 20+ open flights from St. Louis to Philadelphia within the next 7 days for less than $200.

Question 15

Which airlines flying from Lambert-St Louis to Philadelphia have flexible cancellations due to COVID-19?

Accepted Answer

Some of our airline partners flying from Lambert-St Louis to Philadelphia have new flexible policies in place due to COVID-19. American Airlines, Frontier, and Delta are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like American Airlines with this kind of flexibility.

Question 16

What is the cheapest day to fly round-trip from St. Louis to Philadelphia?

Accepted Answer

Departing on a Monday is a good option for securing a great price. You can expect to save up to 18% when planning your travel around this day of the week.

Question 17

How far in advance should I book a flight from St. Louis to Philadelphia?

Accepted Answer

Users have found that booking a flight from St. Louis to Philadelphia at least 33 days early can save you up to 30% on average compared to booking a flight this week. If booking 33 days before your flight isn’t an option for you, users have found flights from St. Louis to Philadelphia for as little as $423 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $502 for flights departing within the next 3 days.

Question 18

What is the cheapest month to fly from St. Louis to Philadelphia?

Accepted Answer

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, February can be a great choice for travel to Philadelphia. Flights to Philadelphia from St. Louis in February are about $380 on average during February, but can be found for as low as $177.

Question 19

When is the cheapest time to fly from St. Louis to Philadelphia (STL - PHL)?

Accepted Answer

It’s typically best to fly out from St. Louis to Philadelphia in the evening. Doing so could potentially save you 50% on the flight price compared to flying at noon, which is usually more expensive.

Question 20

What airports do I use to fly from St. Louis to Philadelphia?

Accepted Answer

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 3 flights from Lambert-St Louis to Philadelphia, all of which are around 2h 05m for a nonstop flight. You can also purchase a plane ticket from 8 airlines when you book a flight from Lambert-St Louis to Philadelphia.

Popular in	June	High demand for flights, 18% potential price rise
Cheapest in	February	Best time to find cheap flights, 45% potential price drop
Round-trip from	$207	From Lambert-St Louis to Philadelphia
One-way from	$140	One-way flight from Lambert-St Louis to Philadelphia

Airline	Cheapest	Average	Flexibility	On-time	COVID-19 safety
Juneyao Airlines	Cheapest$13	Average$22	FlexibilityNo cancel fee	On-time66%	COVID-19 safety	Search Juneyao Airlines flights
Spirit Airlines	Cheapest$105	Average$196	FlexibilityNo cancel fee	On-time65%	COVID-19 safety	Search Spirit Airlines flights
Sun Country Air	Cheapest$106	Average$132	FlexibilityNo cancel fee	On-time83%	COVID-19 safety	Search Sun Country Air flights
Frontier	Cheapest$152	Average$213	FlexibilityNo cancel fee	On-time62%	COVID-19 safety	Search Frontier flights
American Airlines	Cheapest$194	Average$436	FlexibilityNo cancel fee	On-time71%	COVID-19 safety	Search American Airlines flights
Delta	Cheapest$248	Average$409	FlexibilityNo cancel fee	On-timeN/A	COVID-19 safety	Search Delta flights

37%of flight departures	Early morningMidnight to 6 am
27%of flight departures	Morning6 am to noon
36%of flight departures	AfternoonNoon to 6 pm
0%of flight departures	Evening6 pm to midnight

Sunday	2daily flights
Monday	3daily flights
Tuesday	3daily flights
Wednesday	5daily flights
Thursday	5daily flights
Friday	3daily flights
Saturday	2daily flights

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

The best prices from Lambert-St Louis to Philadelphia are usually found in February or January, booked 36 days in advance, depart on a Tuesday or Friday and return on a Saturday

How to find the cheapest flight from St. Louis (STL) to Philadelphia (PHL)

All the information you need to plan the best STL to PHL flight in 2023: compare St. Louis to Philadelphia flight prices with the expected peak season, weather and rainfall in Philadelphia.

What is the cheapest day to fly round-trip from St. Louis to Philadelphia?

How far in advance should I book a flight from St. Louis to Philadelphia?

What is the cheapest month to fly from St. Louis to Philadelphia?

When is the cheapest time to fly from St. Louis to Philadelphia (STL - PHL)?

Cheap flights from St. Louis to Philadelphia in January, February 2023

The best prices found for STL to PHL flights for January, February

St. Louis to Philadelphia 2023 flight deals

Cheap flights to Philadelphia from St. Louis found for this year

Cheap Frontier flights from St. Louis to Philadelphia

Cheap Spirit Airlines flights from St. Louis to Philadelphia

Non-stop flights to Philadelphia from St. Louis

Save time with St. Louis to Philadelphia direct flight deals

Last minute flights from St. Louis to Philadelphia

Late deals on return flights to Philadelphia from St. Louis, departing today and this week

One-way flights to Philadelphia from St. Louis

The cheapest one-way flights from St. Louis to Philadelphia

Reviews of Airlines Servicing Philadelphia

Related info for your journey

Useful info, stats and facts about St. Louis to Philadelphia flights.

What airports do I use to fly from St. Louis to Philadelphia?

Which airlines flying from Lambert-St Louis to Philadelphia have flexible cancellations due to COVID-19?

Can I find flights from St. Louis to Philadelphia for under $200 on Cheapflights?

Are there nonstop flights from St. Louis to Philadelphia for under $300 on Cheapflights?

Are there last-minute flights available from St. Louis to Philadelphia for under $200?

What days are nonstop flights available from St. Louis to Philadelphia?

How popular is this St. Louis to Philadelphia flight route?

How many flights depart from St. Louis to Philadelphia on average per day?

How long is the flight from St. Louis to Philadelphia?

What are the cheapest airlines flying from St. Louis to Philadelphia round-trip?

What are the cheapest airlines to fly from St. Louis to Philadelphia one-way?

What are the most popular airlines that fly from St. Louis to Philadelphia?

What are the most reliable airlines from St. Louis to Philadelphia?

What are the cheapest flights from St. Louis to Philadelphia?

Other flights from St. Louis

Other flights to Philadelphia

Flights to Philadelphia from St. Louis

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Can I fly to Philadelphia from Lambert-St Louis right now?

Can I fly back to Lambert-St Louis from Philadelphia?

Alternative routes for St. Louis to Philadelphia

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Top 6 airlines flying from St. Louis to Philadelphia

The chart below displays the airlines Cheapflights users traveling from St. Louis to Philadelphia choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.

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Hourly flight availability from St. Louis to Philadelphia

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Weekly flight availability from St. Louis to Philadelphia

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