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Cheap Flights from St. Louis to Philadelphia $295.3

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Here are your best fares found in the past 7 days

The lowest fare found for this route is $300.43 on Wed, May 17 from STL to PHL
Flights Fare Calendar Find minimum fare between origin STL and destination PHL Click this button to get previous 30 days data Click this button to get next 30 days data $1394 $1195 $996 $796 $597 $398 $199 $0 Apr May 27 28 29 30 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 1 2 3 4 5 6 7 8 9 10 11 12 13 14 T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M Price is $ 1195.4 on United Price is $ 1195.4 on United Price is $ 1048.9 on United Price is $ 902.4 on United Price is $ 902.4 on United Price is $ 892.4 on United Price is $ 892.4 on United Price is $ 892.4 on United Price is $ 882.4 on United Price is $ 882.4 on United Price is $ 882.4 on United Price is $ 882.4 on United Price is $ 882.4 on United Price is $ 877.4 on United Price is $ 877.4 on United Price is $ 862.4 on United Price is $ 862.4 on United Price is $ 862.4 on United Price is $ 862.4 on United Price is $ 501.4 on Alaska Airlines Price is $ 440.83 on United Price is $ 419.99 on Delta Price is $ 417.1 on Delta Price is $ 406.1 on Delta Price is $ 403.24 on Delta Price is $ 395.4 on American Airlines Price is $ 390.78 on Delta Price is $ 389.83 on Delta Price is $ 383.5 on American Airlines Price is $ 378.4 on Delta Price is $ 376.4 on American Airlines Price is $ 376.4 on Alaska Airlines Price is $ 376.4 on Alaska Airlines Price is $ 376.4 on Alaska Airlines Price is $ 376.4 on Alaska Airlines Price is $ 376.4 on Alaska Airlines Price is $ 375.74 on Delta Price is $ 373.31 on Delta Price is $ 372.08 on Delta Price is $ 371.82 on Delta Price is $ 370.8 on Alaska Airlines Price is $ 368.8 on Delta Price is $ 364.75 on Delta Price is $ 364.5 on American Airlines Price is $ 357.13 on Delta Price is $ 357.1 on Delta Price is $ 356.0 on American Airlines Price is $ 350.6 on Delta Price is $ 350.6 on Delta Price is $ 348.25 on Delta Price is $ 347.75 on Delta Price is $ 346.92 on Delta Price is $ 346.11 on Delta Price is $ 346.11 on Delta Price is $ 346.11 on Delta Price is $ 346.11 on Delta Price is $ 344.51 on Delta Price is $ 344.51 on Delta Price is $ 344.51 on Delta Price is $ 344.51 on Delta Price is $ 344.51 on Delta Price is $ 338.4 on American Airlines Price is $ 338.4 on American Airlines Price is $ 338.14 on Delta Price is $ 337.59 on Delta Price is $ 334.72 on Delta Price is $ 332.43 on Delta Price is $ 332.43 on Delta Price is $ 332.43 on Delta Price is $ 332.43 on Delta Price is $ 332.43 on Delta Price is $ 331.4 on American Airlines Price is $ 327.0 on American Airlines Price is $ 326.55 on Delta Price is $ 326.55 on Delta Price is $ 312.82 on Delta Price is $ 312.82 on Delta Price is $ 309.61 on Delta Price is $ 309.58 on Delta Price is $ 309.09 on Delta Price is $ 307.4 on Delta Price is $ 307.4 on Delta Price is $ 304.91 on Delta Price is $ 300.43 on Delta

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

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Interesting Facts About Flights from St. Louis to Philadelphia (STL to PHL)

Question : Should you take that vacation to Philadelphia in the next 30 days?
Answer : As of Apr 24th, the best day for booking to Philadelphia (PHL) is May 17th. It costs $291, which is 24% below the average price to book the same route.

Question : Can you cut down on flight costs by changing the day of the week you travel to Philadelphia?
Answer : Wednesday is your lowest-cost day to fly in May. Flexibility is paramount when booking travel plans in order to keep travel costs down.

Question : How long will the flight typically be from Lambert-St. Louis International Airport (STL) to Philadelphia International Airport (PHL)?
Answer : The average flight duration between STL and PHL is two hours and nine minutes.

Question : How often is the Lambert-St. Louis International Airport (STL) to Philadelphia International Airport (PHL) route delayed?
Answer : Flights from STL to PHL are on time 74% of the time, ranking in the bottom 50% of the world. When a flight is late, it's a 27-minute delay on average.

Question : How does Saint Louis to Philadelphia stack up against the rest of the world in overall promptness?
Answer : The best measurement of overall promptness combines both on-time percentage and total delay minutes. STL to PHL currently has 2 stars out of 5, earning it one of the lower scores in the world.

Question : How many days should you spend in Philadelphia?
Answer : The average time spent in Philadelphia by passengers from Saint Louis is about one week.

Question : What day of the week has the most flight time options?
Answer : With eight total flight time options, Sunday provides the most flexibility from STL to PHL. Wednesday currently offers the fewest number of flight times with five options.