PHL

$68 Find Cheap Flights from Missouri to Philadelphia

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Philadelphia departing on 2/3. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$128
Overall average: $443
Frontier
Wed 2/18Tue 2/24
STL - PHL • 1 stop
Cheapest non-stop
$255
Typical prices: $347-$485
Southwest
Wed 4/8Wed 4/15
STL - PHL • Non-stop
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We hope you love your trip to Philadelphia!
Flight Deals
Useful Info
Flight Deals

Cheap Flights from Missouri to Philadelphia

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Missouri to Philadelphia that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Missouri to Philadelphia

Wed, Feb 18 - Tue, Feb 24
Frontier Logo
3:49 pm - 9:53 pm
STL
-
PHL
29h 04m1 stop
Frontier Logo
2:09 pm - 10:27 pm
PHL
-
STL
9h 18m1 stop
$128Frontier
Wed, Feb 4 - Wed, Feb 11
Multiple Airlines Logo
5:42 pm - 9:59 am
STL
-
PHL
15h 17m1 stop
Multiple Airlines Logo
5:30 am - 10:27 pm
PHL
-
STL
17h 57m1 stop
$137Multiple Airlines
Sat, Feb 21 - Tue, Feb 24
Frontier Logo
9:41 am - 9:49 pm
STL
-
PHL
11h 08m1 stop
Frontier Logo
2:09 pm - 10:27 pm
PHL
-
STL
9h 18m1 stop
$139Frontier
Sat, Jan 24 - Mon, Jan 26
Frontier Logo
12:12 pm - 10:32 pm
STL
-
PHL
9h 20m1 stop
Frontier Logo
3:54 pm - 11:33 pm
PHL
-
STL
8h 39m1 stop
$144Frontier
Sun, Jan 25 - Sun, Feb 1
Multiple Airlines Logo
5:42 pm - 10:03 pm
STL
-
PHL
27h 21m1 stop
Multiple Airlines Logo
10:45 pm - 9:21 am
PHL
-
STL
11h 36m1 stop
$157Multiple Airlines
Thu, Jan 22 - Mon, Jan 26
Spirit Airlines Logo
11:26 am - 8:01 pm
MCI
-
PHL
7h 35m1 stop
Spirit Airlines Logo
5:30 am - 4:09 pm
PHL
-
MCI
11h 39m1 stop
$187Spirit Airlines
Tue, Mar 3 - Sat, Mar 7
Delta Logo
5:32 pm - 12:24 am
SGF
-
PHL
5h 52m1 stop
Delta Logo
6:55 am - 12:09 pm
PHL
-
SGF
6h 14m1 stop
$265Delta
Fri, Feb 6 - Mon, Feb 9
Delta Logo
5:00 pm - 12:21 am
SGF
-
PHL
6h 21m1 stop
Delta Logo
10:30 am - 4:15 pm
PHL
-
SGF
6h 45m1 stop
$279Delta
Wed, Jan 21 - Sun, Jan 25
United Airlines Logo
11:17 am - 5:33 pm
COU
-
PHL
5h 16m1 stop
United Airlines Logo
6:30 am - 10:42 am
PHL
-
COU
5h 12m1 stop
$298United Airlines
Wed, Jan 21 - Sun, Jan 25
United Airlines Logo
11:17 am - 5:33 pm
COU
-
PHL
5h 16m1 stop
United Airlines Logo
10:30 am - 8:33 pm
PHL
-
COU
11h 03m2 stops
$304United Airlines
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$68
Best time to beat the crowds with an average 1% drop in price.
Most popular time to fly and prices are also 4% lower on average.
Flight from St. Louis to Philadelphia

FAQs for booking flights from Missouri to Philadelphia

  • How does KAYAK find such low prices on flights from Missouri to Philadelphia?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Missouri to Philadelphia.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Missouri to Philadelphia?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Philadelphia from Missouri is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Missouri to Philadelphia?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Philadelphia with an airline and back to Missouri with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Missouri to Philadelphia?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Philadelphia from Missouri up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood Crest
Newark
North Wildwood
Vineland
Essington
West Chester
Elkton
Willow Grove
Pottstown
Kennett Square
Somers Point
Voorhees
Middletown
Wyomissing
Glen Mills
Phoenixville
Bird in Hand
Blackwood
Strasburg
Millville

Everything you need to know for your flight to Philadelphia

Information on the airport you'll fly into in Philadelphia

Philadelphia (PHL)