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Cheap flights from Missouri to Philadelphia from $65

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to Philadelphia departing on 2/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
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
Tue, Feb 24 - Sun, Mar 1
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
Sat, Feb 21 - 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
Mon, Feb 23 - Wed, Feb 25
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
Tue, Mar 10 - Wed, Mar 11
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
Mon, Feb 23 - Wed, Feb 25
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
Tue, Mar 3 - Tue, Mar 10
United Airlines Logo
6:30 pm - 12:45 am
SGF
-
PHL
5h 15m
1 stop
United Airlines Logo
11:36 am - 5:24 pm
PHL
-
SGF
6h 48m
1 stop
$279United Airlines
Wed, Apr 1 - Wed, Apr 8
Delta Logo
6:55 pm - 12:57 am
SGF
-
PHL
5h 02m
1 stop
Delta Logo
5:00 pm - 9:43 pm
PHL
-
SGF
5h 43m
1 stop
$294Delta
Sun, Mar 29 - Wed, Apr 8
Delta Logo
6:55 pm - 12:57 am
SGF
-
PHL
5h 02m
1 stop
Delta Logo
5:00 pm - 9:43 pm
PHL
-
SGF
5h 43m
1 stop
$339Delta
Fri, Apr 3 - Wed, Apr 8

Frontier flights from Missouri to Philadelphia

Our best Frontier deals on Missouri to Philadelphia flight tickets
Frontier
Feb 24
STL3:49 pmLambert-St Louis
21h 51m
1 stop
PHL2:40 pmPhiladelphia
Mar 1
PHL5:30 amPhiladelphia
26h 21m
1 stop
STL6:51 amLambert-St Louis
$142
Frontier
Feb 21
STL9:41 amLambert-St Louis
11h 08m
1 stop
PHL9:49 pmPhiladelphia
Feb 25
PHL3:45 pmPhiladelphia
7h 42m
1 stop
STL10:27 pmLambert-St Louis
$144
Frontier
Mar 3
STL3:49 pmLambert-St Louis
19h 33m
1 stop
PHL12:22 pmPhiladelphia
Mar 6
PHL5:05 amPhiladelphia
7h 44m
1 stop
STL11:49 amLambert-St Louis
$147

United Airlines flights from Missouri to Philadelphia

Our best United Airlines deals on Missouri to Philadelphia flight tickets
United Airlines
Mar 3
COU3:10 pmColumbia Regional
4h 59m
1 stop
PHL9:09 pmPhiladelphia
Mar 10
PHL9:55 amPhiladelphia
11h 25m
2 stops
COU8:20 pmColumbia Regional
$274
United Airlines
Apr 1
SGF6:30 pmSpringfield-Branson
5h 15m
1 stop
PHL12:45 amPhiladelphia
Apr 8
PHL11:36 amPhiladelphia
6h 48m
1 stop
SGF5:24 pmSpringfield-Branson
$279
United Airlines
Mar 27
JLN8:54 amJoplin
7h 20m
1 stop
PHL5:14 pmPhiladelphia
Mar 31
PHL1:27 pmPhiladelphia
11h 17m
2 stops
JLN11:44 pmJoplin
$284

momondo Fare Finder

 
Customize your flight search to find flights from Missouri to Philadelphia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 4, 2026.
Use the filters below to find and compare flights from Missouri to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisPhiladelphia

STL - PHL

STLPHL

Lambert-St Louis

Tue 2/24

3:49 pm-2:40 pm

1 stop21h 51m

Philadelphia

Sun 3/1

5:30 am-6:51 am

1 stop26h 21m

$142

St. LouisPhiladelphia

STL - PHL

STLPHL

Lambert-St Louis

Sat 2/21

9:41 am-9:49 pm

1 stop11h 08m

Philadelphia

Wed 2/25

3:45 pm-10:27 pm

1 stop7h 42m

$144

Kansas CityPhiladelphia

MCI - PHL

MCIPHL

Kansas City

Mon 2/23

11:26 am-9:53 am

1 stop21h 27m

Philadelphia

Wed 2/25

7:59 pm-10:30 am

1 stop15h 31m

$160

St. LouisPhiladelphia

STL - PHL

STLPHL

Lambert-St Louis

Tue 3/10

4:51 pm-12:26 pm

1 stop18h 35m

Philadelphia

Wed 3/11

7:46 pm-7:17 am

1 stop12h 31m

$169

Kansas CityPhiladelphia

MCI - PHL

MCIPHL

Kansas City

Mon 2/23

11:26 am-8:44 am

1 stop20h 18m

Philadelphia

Wed 2/25

6:00 am-10:30 am

1 stop29h 30m

$189

Kansas CityPhiladelphia

MCI - PHL

MCIPHL

Kansas City

Mon 2/23

11:26 am-4:26 pm

3 stops28h 00m

Philadelphia

Wed 2/25

5:26 pm-10:30 am

1 stop18h 04m

$192

ColumbiaPhiladelphia

COU - PHL

COUPHL

Columbia Regional

Tue 3/3

3:10 pm-9:09 pm

1 stop4h 59m

Philadelphia

Tue 3/10

9:55 am-8:20 pm

2 stops11h 25m

$274

SpringfieldPhiladelphia

SGF - PHL

SGFPHL

Springfield-Branson

Wed 4/1

6:30 pm-12:45 am

1 stop5h 15m

Philadelphia

Wed 4/8

11:36 am-5:24 pm

1 stop6h 48m

$279

SpringfieldPhiladelphia

SGF - PHL

SGFPHL

Springfield-Branson

Sun 3/29

6:55 pm-12:57 am

1 stop5h 02m

Philadelphia

Wed 4/8

5:00 pm-9:43 pm

1 stop5h 43m

$294

SpringfieldPhiladelphia

SGF - PHL

SGFPHL

Springfield-Branson

Fri 4/3

6:55 pm-12:57 am

1 stop5h 02m

Philadelphia

Wed 4/8

5:00 pm-9:43 pm

1 stop5h 43m

$339

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Philadelphia from

How to get the cheapest flight ticket from Missouri to Philadelphia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Philadelphia?

The cheapest month to fly to Philadelphia from Missouri is in August. Flight prices, which tend to average around $277, are often lower during this time because this is during the off-season. The month of September is another great option to travel to Philadelphia, with average flight prices from Missouri averaging around $340.

What is the cheapest day to depart on your flight to Philadelphia?

The cheapest day to depart from Missouri to Philadelphia is on a Thursday. Travelers who choose to depart for Philadelphia on a Thursday will often find tickets for as low as $649. On the other hand, Sunday is the most expensive day to depart from Missouri because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $946.

What is the cheapest time of day to depart on your flight to Philadelphia?

According to our data, the cheapest time of day to fly to Philadelphia is in the evening. momondo users have found flights departing from Missouri to Philadelphia in the evening for as low as $401. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Philadelphia is at noon when prices are around $1,122.

What is the cheapest Missouri to Philadelphia flight route?

Fly from Lambert-St Louis to Philadelphia for the best Missouri - Philadelphia flight prices

How far in advance should I book a flight to Philadelphia?

You are more likely to see cheaper flights to Philadelphia from Missouri when booking weeks ahead of your departure date. In general, you can expect to find flights to Philadelphia for around $409 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Philadelphia from Missouri for as low as $338 on momondo.

What cabin class options are available on Missouri to Philadelphia flights?

There are 4 cabin classes available to choose from on Missouri to Philadelphia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Missouri to Philadelphia flights?

You could potentially save up to 55% on your flight if you consider stops on a Missouri to Philadelphia flight.

Cheap Missouri to Philadelphia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missouri to Philadelphia

Best Price Found

$279

Fastest flight time

2h 05m

Direct flights

Every day

Airports in Philadelphia

1 airport
The best one-way flight to Philadelphia from Missouri in the past 72 hours is $279. The best round-trip flight deal from Missouri to Philadelphia found on momondo in the last 72 hours is $447.
The fastest flight from Missouri to Philadelphia takes 2h 05m
Direct flights go from Missouri to Philadelphia every day.
There is 1 airport in Philadelphia. From Missouri there are direct flights to Philadelphia (PHL).
Search flight deals

  • When did momondo last update prices for flights from Missouri to Philadelphia Airport?

    Prices for flights from Missouri to Philadelphia Airport were last updated today.

  • How many operators does momondo search for flights from Missouri to Philadelphia Airport?

  • How old do you have to be to fly from Missouri to Philadelphia Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Missouri to Philadelphia Airport.

  • What documentation or ID do you need to fly to Philadelphia Airport?

    The travel and health documents required for your trip to Philadelphia Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Philadelphia Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Missouri to Philadelphia?

Best airlines flying from Missouri to Philadelphia

Compare and see reviews for airlines that fly from Missouri to Philadelphia with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $82Free CancellationRating
6.3
8,407 reviews
Search Spirit Airlines flights
FrontierPriceFrom $119Free CancellationRating
5.7
3,051 reviews
Search Frontier flights
DeltaPriceFrom $204Free CancellationRating
7.9
8,138 reviews
Search Delta flights
American AirlinesPriceFrom $240Free CancellationRating
7.2
11,218 reviews
Search American Airlines flights
United AirlinesPriceFrom $250Free CancellationRating
7.4
9,236 reviews
Search United Airlines flights
SouthwestPriceFrom $297Free CancellationRating
8.0
4,272 reviews
Search Southwest flights

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood
Cape May
Rehoboth Beach
Wildwood Crest
Ocean City
King of Prussia
Cherry Hill
Newark
Dewey Beach
Reading
North Wildwood
Avalon
Dover
Lewes
Stone Harbor
Essington
Vineland
New Castle
Elkton
Pottstown

Why use momondo?

Why should I use momondo to find a flight deal from Missouri to Philadelphia?

It is quick and easy to find Missouri to Philadelphia flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Philadelphia that suits you.

Can I find flights from Missouri to Philadelphia with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Missouri to Philadelphia flights to just show those with flexible booking policies.

How can momondo help me find flights from Missouri to Philadelphia?

momondo helps you find the best flight between Missouri and Philadelphia by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Missouri to Philadelphia right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Missouri to Philadelphia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Philadelphia and let you know when they change.

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