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$54+ Cheap flights from Philadelphia (PHL) to Missouri

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/12. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — STL
May 17 — May 241
Sat 5/17
Sat 5/24
1 adult, Economy
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Cheap flight deals from Philadelphia to Missouri

Keep the following information in mind while searching for Philadelphia to Missouri flight deals. Data was last updated May 12, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$305
(Mytrip)

One-way from

$54
(FlightHub)

Popular in

April

Cheapest in

September

Average price

$403

Good round-trip deal

$329 or less

Good one-way deal

$195 or less
Provider with most accurate pricing for Philadelphia-Kansas City flight deals.
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Provider most trusted by Cheapflights users for Philadelphia-Kansas City flights.
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From Philadelphia to Missouri
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One-way flight from Philadelphia to Missouri
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Highest demand for flights based on searches. 10% potential increase in price ($45 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Price to beat on a round-trip flight from Philadelphia to Missouri.
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Price to beat on a one-way flight from Philadelphia to Missouri.
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Find flight deals from Philadelphia to Missouri

Cheapest flights from Philadelphia to Missouri
Explore the most affordable flight options available from Philadelphia to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 12, 2025.

This Frontier deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/164:33 pmPHL - STL
1 stop8h 41mFrontier
Sun 5/185:45 pmSTL - PHL
1 stop12h 51mFrontier
Deal found 5/11$301
This Mytrip deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/227:45 amPHL - MCI
1 stop13h 27mSpirit Airlines
Sat 5/249:07 pmMCI - PHL
1 stop32h 23mSpirit Airlines
Deal found 5/11$305
This Frontier deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/41:02 pmPHL - MCI
1 stop7h 04mFrontier
Mon 7/711:20 amMCI - PHL
1 stop12h 15mFrontier
Deal found 5/12$308
This American Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/11:59 pmPHL - MCI
Nonstop2h 54mAmerican Airlines
Sat 7/56:30 pmMCI - PHL
1 stop5h 04mAmerican Airlines
Deal found 5/12$309
This Priceline deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/255:30 amPHL - MCI
1 stop5h 51mMultiple Airlines
Tue 7/291:14 pmMCI - PHL
1 stop9h 07mMultiple Airlines
Deal found 5/12$311
This Delta deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/186:00 amPHL - MCI
1 stop4h 44mDelta
Sat 6/283:36 pmMCI - PHL
1 stop5h 20mDelta
Deal found 5/11$319
This Mytrip deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/62:38 pmPHL - STL
2 stops28h 40mSpirit Airlines
Sat 7/123:34 pmSTL - PHL
1 stop8h 37mSpirit Airlines
Deal found 5/12$320
This Delta deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/412:09 pmPHL - STL
1 stop7h 35mDelta
Sat 7/55:54 pmSTL - PHL
1 stop4h 00mDelta
Deal found 5/12$321
This CheapOair deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/114:32 pmPHL - STL
1 stop8h 15mMultiple Airlines
Mon 7/1410:47 amSTL - PHL
1 stop10h 34mMultiple Airlines
Deal found 5/12$323
This American Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/53:44 pmPHL - STL
Nonstop2h 24mAmerican Airlines
Sat 7/125:14 pmSTL - PHL
Nonstop2h 11mAmerican Airlines
Deal found 5/12$324
This Mytrip deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/277:12 pmPHL - SGF
1 stop13h 37mMultiple Airlines
Thu 5/298:47 amSGF - PHL
2 stops29h 15mMultiple Airlines
Deal found 5/12$344
This Southwest deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/14:45 pmPHL - MCI
2 stops7h 05mSouthwest
Sat 7/56:10 amMCI - PHL
1 stop10h 30mSouthwest
Deal found 5/12$345

Cheapflights Fare Finder

Customize your flight search to find flights from Philadelphia to Missouri 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, Cheapflights users made 2,558,603 searches. Data last updated May 12, 2025.
Use the filters below to find and compare flights from Philadelphia to Missouri that are best for you.

Fly from

Philadelphia

Fly to

Missouri

Route

Depart

Return

Price

PhiladelphiaKansas City

PHL - MCI

PHLMCI

Philadelphia

Thu 5/22

7:45 am-8:12 pm

1 stop13h 27m

Kansas City

Sat 5/24

9:07 pm-6:30 am

1 stop32h 23m

$305

PhiladelphiaKansas City

PHL - MCI

PHLMCI

Philadelphia

Fri 7/4

1:02 pm-7:06 pm

1 stop7h 04m

Kansas City

Mon 7/7

11:20 am-12:35 am

1 stop12h 15m

$308

PhiladelphiaKansas City

PHL - MCI

PHLMCI

Philadelphia

Tue 7/1

1:59 pm-3:53 pm

Nonstop2h 54m

Kansas City

Sat 7/5

6:30 pm-12:34 am

1 stop5h 04m

$309

PhiladelphiaKansas City

PHL - MCI

PHLMCI

Philadelphia

Fri 7/25

5:30 am-10:21 am

1 stop5h 51m

Kansas City

Tue 7/29

1:14 pm-11:21 pm

1 stop9h 07m

$311

PhiladelphiaSt. Louis

PHL - STL

PHLSTL

Philadelphia

Tue 7/29

5:10 pm-11:47 pm

1 stop7h 37m

Lambert-St Louis

Sun 8/3

2:27 pm-5:49 am

1 stop14h 22m

$318

PhiladelphiaKansas City

PHL - MCI

PHLMCI

Philadelphia

Wed 6/18

6:38 am-12:08 pm

1 stop6h 30m

Kansas City

Tue 7/1

8:10 am-2:59 pm

1 stop5h 49m

$319

PhiladelphiaSt. Louis

PHL - STL

PHLSTL

Philadelphia

Sun 7/6

2:38 pm-6:18 pm

2 stops28h 40m

Lambert-St Louis

Sat 7/12

3:34 pm-1:11 am

1 stop8h 37m

$320

PhiladelphiaSt. Louis

PHL - STL

PHLSTL

Philadelphia

Fri 7/4

12:09 pm-6:44 pm

1 stop7h 35m

Lambert-St Louis

Sat 7/5

5:54 pm-10:54 pm

1 stop4h 00m

$321

PhiladelphiaSt. Louis

PHL - STL

PHLSTL

Philadelphia

Fri 7/11

4:32 pm-11:47 pm

1 stop8h 15m

Lambert-St Louis

Mon 7/14

10:47 am-10:21 pm

1 stop10h 34m

$323

PhiladelphiaSt. Louis

PHL - STL

PHLSTL

Philadelphia

Sat 7/5

3:44 pm-5:08 pm

Nonstop2h 24m

Lambert-St Louis

Sat 7/12

5:14 pm-8:25 pm

Nonstop2h 11m

$324

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/11

Showing 1-10 of 41 results
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Best time to book a flight from Philadelphia to Missouri

Have a flexible travel schedule? Discover the best time to fly to Missouri from Philadelphia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Philadelphia to Missouri

What is the cheapest month to book a flight from Philadelphia to Missouri?

Currently, August is the cheapest month in which you can book a flight from Philadelphia to Missouri (average of $311). Flying from Philadelphia to Missouri in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PHL to MO?

Find hourly flight availability from Philadelphia to Missouri. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 12, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Philadelphia to Missouri as you normally would.

Weekly flight availability from Philadelphia to Missouri

Explore weekly flight availability from Philadelphia to Missouri. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 12, 2025.

The most flights from PHL to USMO are scheduled on a Monday (8 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (6 on average).

Rainfall in Missouri by month

Plan your trip to Missouri by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Missouri ranges from 1.1 - 5.2 inches per month. May is typically the wettest month, when rainfall can reach 5.2 in. January is typically the driest time to visit Missouri when rainfall is around 1.1 in.

Temperature in Missouri by month

Plan your trip to Missouri by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Missouri, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

Reviews of airlines servicing Missouri

Get insights into the airlines that provide service to Missouri. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Missouri. Reviews last updated May 12, 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from Philadelphia to Missouri have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,290 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,724 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Missouri. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Philadelphia to Missouri?

    If you book a flight to Missouri from Philadelphia, you will be flying from Philadelphia, which is the city’s only airport. Philadelphia (PHL) is located 7.0 mi from the center of Philadelphia.

  • How popular is this Philadelphia to Missouri flight route?

    Within the past month, 27 users have taken a look at flights from Philadelphia to Missouri.

  • What are the cheapest airlines to fly from Philadelphia to Missouri one-way?

    The cheapest airlines for a one-way flight from Philadelphia to Missouri are Spirit Airlines ($54), Frontier ($99), and American Airlines ($151).

  • What are the most popular routes from Philadelphia to Missouri?

    The most popular route from Philadelphia to Missouri is Philadelphia - Lambert-St Louis. You may also consider Philadelphia - Kansas City or Philadelphia - Springfield-Branson.

  • What are the most reliable airlines from Philadelphia to Missouri?

    The top 3 most reliable airlines when flying from Philadelphia to Missouri are Southwest (87%), PSA Airlines (73%) and American Airlines (72%).

  • What are the cheapest flights from Philadelphia to Missouri?

    Looking for the cheapest flight from Philadelphia to Missouri? While on average our users pay $318, our data indicates the cheapest price to be $136. The most popular route (Philadelphia - Lambert-St Louis), is priced around $192.

  • Can I find deals for flights from Philadelphia to Missouri that include hotel bookings?

    Yes. In addition to deals on Philadelphia to Missouri flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Philadelphia to Missouri?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to Missouri.

  • Can I find deals for business class flights from Philadelphia to Missouri?

    Yes. Cheapflights offers flight deals from Philadelphia to Missouri by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Philadelphia to Missouri?

    Currently, August is the cheapest month in which you can book a flight from Philadelphia to Missouri (average of $311). Flying from Philadelphia to Missouri in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Philadelphia to Missouri

Discover the top 6 airlines that operate flights from Philadelphia to Missouri. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$53Average$100FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$131Average$485FlexibilityNo cancel feeOn-time71%
Spirit AirlinesCheapest$164Average$259FlexibilityNo cancel feeOn-time65%
DeltaCheapest$198Average$406FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$249Average$447FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$276Average$426FlexibilityNo cancel feeOn-time63%

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