Skip to main content
A city skyline with a prominent arch bridge at sunset.

￥25,080 Cheap Flights from Philadelphia (PHL) to St. Louis (STL)

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

Prices were available within the past 7 days and start at ￥25,080 for one-way flights and ￥92,070 for roundtrip, for the period specified. Prices and availability are subject to change.
American Airlines
Wed, Aug 19 - Sun, Aug 23
PHL
Philadelphia
STL
St. Louis
￥92,070
Roundtrip
Just found
Select American Airlines flight, departing Wed, Aug 19 from Philadelphia to St. Louis, returning Sun, Aug 23, priced at ￥92,070 Just found
American Airlines
Wed, Aug 19 - Sun, Aug 23
PHL
Philadelphia
STL
St. Louis
￥93,620
Roundtrip
Just found
Select American Airlines flight, departing Wed, Aug 19 from Philadelphia to St. Louis, returning Sun, Aug 23, priced at ￥93,620 Just found
United
Wed, Aug 19 - Sun, Aug 23
PHL
Philadelphia
STL
St. Louis
￥95,160
Roundtrip
Just found
Select United flight, departing Wed, Aug 19 from Philadelphia to St. Louis, returning Sun, Aug 23, priced at ￥95,160 Just found
Delta
Wed, Aug 19 - Sun, Aug 23
PHL
Philadelphia
STL
St. Louis
￥95,170
Roundtrip
Just found
Select Delta flight, departing Wed, Aug 19 from Philadelphia to St. Louis, returning Sun, Aug 23, priced at ￥95,170 Just found
American Airlines
Wed, Aug 19 - Sun, Aug 23
PHL
Philadelphia
STL
St. Louis
￥96,410
Roundtrip
Just found
Select American Airlines flight, departing Wed, Aug 19 from Philadelphia to St. Louis, returning Sun, Aug 23, priced at ￥96,410 Just found
American Airlines
Wed, Aug 19 - Sun, Aug 23
PHL
Philadelphia
STL
St. Louis
￥97,060
Roundtrip
Just found
Select American Airlines flight, departing Wed, Aug 19 from Philadelphia to St. Louis, returning Sun, Aug 23, priced at ￥97,060 Just found
American Airlines
Wed, Aug 19 - Sun, Aug 23
PHL
Philadelphia
STL
St. Louis
￥97,960
Roundtrip
Just found
Select American Airlines flight, departing Wed, Aug 19 from Philadelphia to St. Louis, returning Sun, Aug 23, priced at ￥97,960 Just found
American Airlines
Wed, Aug 19 - Sun, Aug 23
PHL
Philadelphia
STL
St. Louis
￥98,610
Roundtrip
Just found
Select American Airlines flight, departing Wed, Aug 19 from Philadelphia to St. Louis, returning Sun, Aug 23, priced at ￥98,610 Just found
United
Wed, Aug 19 - Sun, Aug 23
PHL
Philadelphia
STL
St. Louis
￥100,540
Roundtrip
Just found
Select United flight, departing Wed, Aug 19 from Philadelphia to St. Louis, returning Sun, Aug 23, priced at ￥100,540 Just found
American Airlines
Wed, Aug 19 - Sun, Aug 23
PHL
Philadelphia
STL
St. Louis
￥101,400
Roundtrip
Just found
Select American Airlines flight, departing Wed, Aug 19 from Philadelphia to St. Louis, returning Sun, Aug 23, priced at ￥101,400 Just found

Find the cheapest month to fly from Philadelphia (PHL) to St. Louis (STL)

October is typically the cheapest month to fly

From ￥31,159 - ￥45,797 per traveler.

Travel information

Origin airport
Philadelphia Intl. Airport
Destination airport
St. Louis Lambert Intl. Airport
Distance
1,305 km away
Airlines serving
Frontier Airlines, American Airlines, Alaska Airlines, United, Delta, Southwest Airlines
Popular airline
Frontier Airlines
Roundtrip price
￥92,070
Average flight time
2 hours 27 mins
*Available to One Key members.