PHL

$66 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 3/2. 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

KAYAK searches hundreds of travel sites at once for deals on flights to Philadelphia

Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 23% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Everything you should know

Cheapest round-trip
$142
Overall average: $443
Frontier
Tue 2/24Sun 3/1
STL - PHL • 1 stop
Cheapest non-stop
$309
Typical prices: $377-$485
American Airlines
Sat 5/16Tue 5/19
STL - PHL • Non-stop
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
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

Tue, Feb 24 - Sun, Mar 1
Frontier Logo
3:49 pm - 2:40 pm
STL
-
PHL
21h 51m
1 stop
Frontier Logo
5:30 am - 6:51 am
PHL
-
STL
26h 21m
1 stop
$142Frontier
Sat, Feb 21 - Wed, Feb 25
Frontier Logo
9:41 am - 9:49 pm
STL
-
PHL
11h 08m
1 stop
Frontier Logo
3:45 pm - 10:27 pm
PHL
-
STL
7h 42m
1 stop
$144Frontier
Tue, Mar 3 - Fri, Mar 6
Frontier Logo
3:49 pm - 12:22 pm
STL
-
PHL
19h 33m
1 stop
Frontier Logo
5:05 am - 11:49 am
PHL
-
STL
7h 44m
1 stop
$147Frontier
Mon, Feb 23 - Wed, Feb 25
Multiple Airlines Logo
11:26 am - 9:53 am
MCI
-
PHL
21h 27m
1 stop
Multiple Airlines Logo
7:59 pm - 10:30 am
PHL
-
MCI
15h 31m
1 stop
$160Multiple Airlines
Tue, Mar 10 - Wed, Mar 11
Multiple Airlines Logo
4:51 pm - 12:26 pm
STL
-
PHL
18h 35m
1 stop
Multiple Airlines Logo
7:46 pm - 7:17 am
PHL
-
STL
12h 31m
1 stop
$169Multiple Airlines
Mon, Feb 23 - Wed, Feb 25
Spirit Airlines Logo
11:26 am - 8:44 am
MCI
-
PHL
20h 18m
1 stop
Spirit Airlines Logo
6:00 am - 10:30 am
PHL
-
MCI
29h 30m
1 stop
$189Spirit Airlines
Mon, Feb 23 - Wed, Feb 25
Spirit Airlines Logo
11:26 am - 4:26 pm
MCI
-
PHL
28h 00m
3 stops
Spirit Airlines Logo
5:26 pm - 10:30 am
PHL
-
MCI
18h 04m
1 stop
$192Spirit Airlines
Tue, Mar 3 - Tue, Mar 10
United Airlines Logo
3:10 pm - 9:09 pm
COU
-
PHL
4h 59m
1 stop
United Airlines Logo
9:55 am - 8:20 pm
PHL
-
COU
11h 25m
2 stops
$274United Airlines
Fri, May 8 - Sun, May 10
Delta Logo
6:51 pm - 12:59 am
SGF
-
PHL
5h 08m
1 stop
Delta Logo
5:35 am - 11:26 am
PHL
-
SGF
6h 51m
1 stop
$279Delta
Tue, Mar 3 - Tue, Mar 10
United Airlines Logo
9:00 am - 9:09 pm
COU
-
PHL
11h 09m
2 stops
United Airlines Logo
8:00 am - 8:20 pm
PHL
-
COU
13h 20m
2 stops
$294United Airlines
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$71
Most popular time to fly with an average 1% increase in price.
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
Pottstown
Willow Grove
Kennett Square
Voorhees
Somers Point
Middletown
Wyomissing
Glen Mills
Phoenixville
Bird in Hand
Blackwood
Millville
Strasburg

Everything you need to know for your flight to Philadelphia

Information on the airport you'll fly into in Philadelphia