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Frontier Airlines Flights from Philadelphia (PHL) to St. Louis (STL)

Trip Type
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Flight 5
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Amazing Frontier Airlines PHL to STL Flight Deals

The cheapest flights to Lambert-St. Louis Intl. found within the past 7 days were $150 round trip and $39 one way. Prices and availability subject to change. Additional terms may apply.

Sat, Dec 5 -
TTN
Trenton
to
STL
St. Louis
$39

One way

found 9 hours ago

Open TTN to STL flights search result page
Thu, Nov 19 -
PHL
Philadelphia
to
STL
St. Louis
$45

One way

found 17 hours ago

Open PHL to STL flights search result page
Fri, Nov 6 -
PHL
Philadelphia
to
STL
St. Louis
$65

One way

found 1 day ago

Open PHL to STL flights search result page
Fri, Dec 11 -
TTN
Trenton
to
STL
St. Louis
$75

One way

found 3 days ago

Open TTN to STL flights search result page
Tue, Nov 3 -
TTN
Trenton
to
STL
St. Louis
$97

One way

found 2 days ago

Open TTN to STL flights search result page
Fri, Nov 6 -
PHL
Philadelphia
to
STL
St. Louis
$100

One way

found 1 day ago

Open PHL to STL flights search result page
Mon, Nov 2 -
PHL
Philadelphia
to
STL
St. Louis
$124

One way

found 15 hours ago

Open PHL to STL flights search result page
Thu, Nov 5 -
PHL
Philadelphia
to
STL
St. Louis
$130

One way

found 8 hours ago

Open PHL to STL flights search result page
Mon, Nov 16 -
PHL
Philadelphia
to
STL
St. Louis
$140

One way

found 13 hours ago

Open PHL to STL flights search result page
Mon, Nov 2 - Wed, Nov 4
PHL
Philadelphia
to
STL
St. Louis
$150

Roundtrip

found 5 days ago

Open PHL to STL flights search result page
Fri, Jan 8 -
PHL
Philadelphia
to
STL
St. Louis
$164

One way

found 9 hours ago

Open PHL to STL flights search result page
Thu, Nov 19 - Thu, Nov 26
PHL
Philadelphia
to
STL
St. Louis
$169

Roundtrip

found 17 hours ago

Open PHL to STL flights search result page
Thu, Nov 19 -
PHL
Philadelphia
to
STL
St. Louis
$45

One way

found 17 hours ago

Open PHL to STL flights search result page
Fri, Nov 6 -
PHL
Philadelphia
to
STL
St. Louis
$65

One way

found 1 day ago

Open PHL to STL flights search result page
Tue, Nov 3 -
TTN
Trenton
to
STL
St. Louis
$97

One way

found 2 days ago

Open TTN to STL flights search result page
Fri, Nov 6 -
PHL
Philadelphia
to
STL
St. Louis
$100

One way

found 1 day ago

Open PHL to STL flights search result page
Mon, Nov 2 -
PHL
Philadelphia
to
STL
St. Louis
$124

One way

found 15 hours ago

Open PHL to STL flights search result page
Thu, Nov 5 -
PHL
Philadelphia
to
STL
St. Louis
$130

One way

found 8 hours ago

Open PHL to STL flights search result page
Mon, Nov 16 -
PHL
Philadelphia
to
STL
St. Louis
$140

One way

found 13 hours ago

Open PHL to STL flights search result page
Mon, Nov 2 - Wed, Nov 4
PHL
Philadelphia
to
STL
St. Louis
$150

Roundtrip

found 5 days ago

Open PHL to STL flights search result page
Thu, Nov 19 - Thu, Nov 26
PHL
Philadelphia
to
STL
St. Louis
$169

Roundtrip

found 17 hours ago

Open PHL to STL flights search result page
Sat, Dec 5 -
TTN
Trenton
to
STL
St. Louis
$39

One way

found 9 hours ago

Open TTN to STL flights search result page
Fri, Dec 11 -
TTN
Trenton
to
STL
St. Louis
$75

One way

found 3 days ago

Open TTN to STL flights search result page
Fri, Jan 8 -
PHL
Philadelphia
to
STL
St. Louis
$164

One way

found 9 hours ago

Open PHL to STL flights search result page

STL From PHL Economy Coach Packages on Similar Airlines

Save $75
PHL
Philadelphia Intl.
to
STL
Lambert-St. Louis Intl.
American AirlinesEconomy
Hart Estate Bed and Breakfast
3.5 out of 5.0

Tue, Dec 22 - Sun, Dec 27

Old price

$612

The price now is $537 per person
Flight + Hotel
Hart Estate Bed and Breakfast
Save $57
PHL
Philadelphia Intl.
to
STL
Lambert-St. Louis Intl.
American AirlinesEconomy
SureStay Plus Hotel by Best Western Farmington
2.5 out of 5.0

Tue, Dec 22 - Sun, Dec 27

Old price

$609

The price now is $552 per person
Flight + Hotel
SureStay Plus Hotel by Best Western Farmington
Save $53
PHL
Philadelphia Intl.
to
STL
Lambert-St. Louis Intl.
American AirlinesEconomy
Rosener's Inn and banquet center
2.0 out of 5.0

Tue, Dec 22 - Sun, Dec 27

Old price

$631

The price now is $578 per person
Flight + Hotel
Rosener's Inn and banquet center

Popular Frontier Airlines Flight Routes from PHL

Top Frontier Airlines Flight Routes from STL

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.