$42+ Cheap flights from Missouri to Philadelphia (PHL)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PHL
Oct 12 — Oct 191
Round-trip
1 adult, Economy
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Find cheap flights from Missouri to Philadelphia with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Missouri to Philadelphia
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Cheapest flights from Missouri to PhiladelphiaExplore the most affordable flight options available from Missouri to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 12, 2026.
Explore the most affordable flight options available from Missouri to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/72:29 pm -
1 stop7h 49m
Wed 10/1412:35 pm -
1 stop6h 05m
Deal found 9/11![Frontier logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:44 pm -
1 stop11h 37m
Tue 11/35:22 pm -
1 stop25h 18m
Deal found 9/9![Frontier logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:35 pm -
1 stop11h 46m
Wed 10/218:30 am -
1 stop10h 10m
Deal found 9/7![Frontier logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/52:29 pm -
1 stop15h 47m
Wed 10/78:41 am -
1 stop5h 29m
Deal found 9/10![Frontier logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/22:29 pm -
1 stop26h 45m
Tue 10/65:32 pm -
1 stop20h 38m
Deal found 9/7![Frontier logo]()
$105
This CheapOair deal was found by Cheapflights users on 9/9. 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.
Wed 10/216:35 pm -
1 stop11h 36m
Wed 10/2812:36 pm -
1 stop6h 04m
Deal found 9/9![Frontier logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:35 pm -
1 stop11h 46m
Mon 10/198:30 am -
1 stop10h 10m
Deal found 9/8![Frontier logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/72:29 pm -
1 stop7h 49m
Thu 10/156:03 pm -
1 stop24h 37m
Deal found 9/11![Frontier logo]()
$122
This Super.com deal was found by Cheapflights users on 9/9. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:43 pm -
1 stop27h 33m
Wed 10/218:44 pm -
1 stop17h 08m
Deal found 9/9![Frontier logo]()
$270
This CheapOair deal was found by Cheapflights users on 9/9. 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.
Wed 10/218:43 pm -
1 stop27h 33m
Sat 10/245:50 am -
1 stop14h 58m
Deal found 9/9![Frontier logo]()
$276
This CheapOair deal was found by Cheapflights users on 9/8. 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.
Tue 10/138:43 pm -
1 stop26h 07m
Fri 10/235:50 am -
1 stop14h 58m
Deal found 9/8![Frontier logo]()
$288
This Super.com deal was found by Cheapflights users on 9/8. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/108:43 pm -
1 stop27h 33m
Mon 10/125:50 am -
1 stop14h 58m
Deal found 9/8![Frontier logo]()
$290
Best flights from Missouri to PhiladelphiaDiscover carefully curated flight deals from Missouri to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 12, 2026.
Discover carefully curated flight deals from Missouri to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 12, 2026.
This Southwest deal was found by Cheapflights users on 9/8. 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.
Mon 11/25:45 am -
1 stop4h 15m
Mon 11/28:15 pm -
1 stop4h 40m
Deal found 9/8![Southwest logo]()
$277
This American Airlines deal was found by Cheapflights users on 9/7. 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.
Thu 10/156:24 pm -
1 stop4h 48m
Sat 10/175:43 am -
1 stop5h 15m
Deal found 9/7![American Airlines logo]()
$318
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:00 am -
1 stop5h 25m
Sun 10/256:15 am -
1 stop5h 34m
Deal found 9/10![United Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 9/9. 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.
Mon 10/125:39 pm -
1 stop4h 29m
Mon 11/212:09 pm -
1 stop7h 54m
Deal found 9/9![Delta logo]()
$377
This Southwest deal was found by Cheapflights users on 9/8. 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.
Sat 10/315:20 am -
1 stop5h 30m
Tue 11/102:55 pm -
2 stops8h 15m
Deal found 9/8![Southwest logo]()
$282
This American Airlines deal was found by Cheapflights users on 9/7. 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 12/156:26 pm -
1 stop4h 53m
Tue 1/124:00 pm -
1 stop6h 40m
Deal found 9/7![American Airlines logo]()
$318
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/87:30 am -
1 stop6h 13m
Mon 11/161:16 pm -
1 stop5h 18m
Deal found 9/9![United Airlines logo]()
$377
This Southwest deal was found by Cheapflights users on 9/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/167:50 pm -
Nonstop2h 25m
Sun 10/186:20 am -
Nonstop2h 20m
Deal found 9/11![Southwest logo]()
$363
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1311:35 am -
1 stop6h 49m
Mon 10/197:10 pm -
1 stop4h 49m
Deal found 9/8![United Airlines logo]()
$378
This Delta deal was found by Cheapflights users on 9/10. 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.
Sat 9/267:04 am -
1 stop5h 11m
Thu 10/16:30 am -
1 stop7h 51m
Deal found 9/10![Delta logo]()
$428
This American Airlines deal was found by Cheapflights users on 9/7. 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.
Thu 12/36:15 am -
2 stops7h 42m
Mon 12/73:54 pm -
2 stops7h 21m
Deal found 9/7![American Airlines logo]()
$399
This Southwest deal was found by Cheapflights users on 9/9. 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.
Sun 11/11:25 pm -
2 stops9h 30m
Tue 11/32:55 pm -
2 stops8h 00m
Deal found 9/9![Southwest logo]()
$372
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/263:05 pm -
1 stop5h 24m
Wed 9/306:16 am -
1 stop9h 00m
Deal found 9/11![United Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 9/9. 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 10/93:25 pm -
1 stop5h 47m
Fri 10/165:20 am -
1 stop6h 33m
Deal found 9/9![Delta logo]()
$429
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:15 am -
1 stop7h 28m
Wed 10/286:46 pm -
1 stop5h 12m
Deal found 9/9![United Airlines logo]()
$398
This Southwest deal was found by Cheapflights users on 9/7. 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.
Thu 10/157:50 pm -
Nonstop2h 25m
Mon 10/196:25 am -
Nonstop2h 20m
Deal found 9/7![Southwest logo]()
$405
This Delta deal was found by Cheapflights users on 9/10. 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.
Tue 9/227:04 am -
1 stop5h 11m
Wed 9/305:45 am -
1 stop6h 42m
Deal found 9/10![Delta logo]()
$479
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:15 am -
1 stop7h 28m
Sat 10/176:15 am -
2 stops9h 23m
Deal found 9/10![United Airlines logo]()
$404
This Southwest deal was found by Cheapflights users on 9/7. 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.
Fri 10/97:50 pm -
Nonstop2h 25m
Mon 10/128:15 pm -
1 stop4h 25m
Deal found 9/7![Southwest logo]()
$415
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:00 am -
1 stop7h 43m
Wed 10/288:00 am -
1 stop9h 09m
Deal found 9/9![United Airlines logo]()
$409
This Delta deal was found by Cheapflights users on 9/12. 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.
Mon 9/285:34 pm -
1 stop5h 22m
Sat 10/103:05 pm -
1 stop8h 15m
Deal found 9/12![Delta logo]()
$541
This Southwest deal was found by Cheapflights users on 9/9. 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.
Sun 9/276:00 am -
1 stop4h 10m
Wed 9/306:25 am -
Nonstop2h 15m
Deal found 9/9![Southwest logo]()
$449
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/243:19 pm -
2 stops7h 11m
Sat 10/3110:30 am -
2 stops11h 11m
Deal found 9/9![United Airlines logo]()
$409
This Southwest deal was found by Cheapflights users on 9/8. 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.
Thu 10/86:00 pm -
1 stop4h 55m
Tue 10/137:45 am -
2 stops7h 45m
Deal found 9/8![Southwest logo]()
$451
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/301:33 pm -
1 stop8h 13m
Wed 2/36:22 am -
1 stop6h 57m
Deal found 9/8![United Airlines logo]()
$414
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/249:00 am -
1 stop9h 33m
Tue 10/279:45 am -
1 stop5h 33m
Deal found 9/11![United Airlines logo]()
$418
This Southwest deal was found by Cheapflights users on 9/12. 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.
Wed 10/217:25 am -
2 stops7h 00m
Mon 10/265:15 pm -
1 stop7h 10m
Deal found 9/12![Southwest logo]()
$484
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:00 am -
1 stop7h 43m
Mon 10/56:15 am -
2 stops16h 06m
Deal found 9/10![United Airlines logo]()
$430
This Southwest deal was found by Cheapflights users on 9/8. 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.
Fri 12/412:20 pm -
2 stops8h 00m
Sun 12/61:50 pm -
2 stops7h 10m
Deal found 9/8![Southwest logo]()
$490
This Southwest deal was found by Cheapflights users on 9/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/512:05 pm -
2 stops6h 30m
Sat 10/107:55 am -
2 stops7h 55m
Deal found 9/11![Southwest logo]()
$497
Last-minute flights from Missouri to PhiladelphiaDiscover last-minute flight deals from Missouri to Philadelphia. Data last updated September 12, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to Philadelphia. Data last updated September 12, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/22:29 pm -
1 stop26h 45m
Tue 10/65:32 pm -
1 stop20h 38m
Deal found 9/7![Frontier logo]()
$105
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/52:29 pm -
1 stop15h 47m
Wed 10/78:41 am -
1 stop5h 29m
Deal found 9/10![Frontier logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/72:29 pm -
1 stop7h 49m
Wed 10/1412:35 pm -
1 stop6h 05m
Deal found 9/11![Frontier logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/72:29 pm -
1 stop7h 49m
Thu 10/156:03 pm -
1 stop24h 37m
Deal found 9/11![Frontier logo]()
$122
This Super.com deal was found by Cheapflights users on 9/8. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/108:43 pm -
1 stop27h 33m
Mon 10/125:50 am -
1 stop14h 58m
Deal found 9/8![Frontier logo]()
$290
This CheapOair deal was found by Cheapflights users on 9/8. 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.
Tue 10/138:43 pm -
1 stop26h 07m
Fri 10/235:50 am -
1 stop14h 58m
Deal found 9/8![Frontier logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/138:43 pm -
2 stops33h 28m
Wed 10/216:06 pm -
1 stop15h 00m
Deal found 9/9![Multiple Airlines logo]()
$294
This Super.com deal was found by Cheapflights users on 9/9. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:43 pm -
1 stop27h 33m
Wed 10/218:44 pm -
1 stop17h 08m
Deal found 9/9![Frontier logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:35 pm -
1 stop11h 46m
Mon 10/198:30 am -
1 stop10h 10m
Deal found 9/8![Frontier logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:35 pm -
1 stop11h 46m
Wed 10/218:30 am -
1 stop10h 10m
Deal found 9/7![Frontier logo]()
$88
This CheapOair deal was found by Cheapflights users on 9/9. 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.
Wed 10/216:35 pm -
1 stop11h 36m
Wed 10/2812:36 pm -
1 stop6h 04m
Deal found 9/9![Frontier logo]()
$118
This CheapOair deal was found by Cheapflights users on 9/9. 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.
Wed 10/218:43 pm -
1 stop27h 33m
Sat 10/245:50 am -
1 stop14h 58m
Deal found 9/9![Frontier logo]()
$276
One-way flights from Missouri to PhiladelphiaSearch for one-way flight options from Missouri to Philadelphia. Find affordable one-way fares based on user searches. Data last updated September 12, 2026.
Search for one-way flight options from Missouri to Philadelphia. Find affordable one-way fares based on user searches. Data last updated September 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/72:29 pm -
1 stop7h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$42
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:35 pm -
1 stop11h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$48
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:44 pm -
1 stop22h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$49
This Trip.com deal was found by Cheapflights users on 9/7. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:35 pm -
1 stop22h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Frontier logo]()
$51
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:44 pm -
1 stop11h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$55
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/52:29 pm -
1 stop15h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Frontier logo]()
$64
This Jetabroad deal was found by Cheapflights users on 9/11. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:44 pm -
1 stop11h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Frontier logo]()
$66
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:35 pm -
1 stop27h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Frontier logo]()
$71
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/29:16 am -
2 stops21h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Multiple Airlines logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/74:49 pm -
1 stop21h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/269:16 am -
2 stops36h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/66:23 pm -
1 stop23h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Allegiant Air logo]()
$133
Find flight deals from Missouri to Philadelphia
Keep the following information in mind while searching for Missouri to Philadelphia flight deals. Data was last updated September 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $84 (Kiwi.com) |
One-way from | $42 (Kiwi.com) |
Popular in | November |
Cheapest in | September |
Average price | $347 |
Good round-trip deal | $366 or less |
Good one-way deal | $186 or less |
Cheapflights 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, Cheapflights users made 7,457,451 searches. Data last updated September 12, 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
Cheapest round-trip
St. LouisPhiladelphia
STL Lambert-St Louis - PHL Philadelphia
STLPHL
Lambert-St Louis
Fri 12/11
2:59 pm-12:39 am
1 stop8h 40m
Philadelphia
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$93
Quickest round-trip
St. LouisPhiladelphia
STL Lambert-St Louis - PHL Philadelphia
STLPHL
Lambert-St Louis
Wed 10/21
6:40 pm-9:50 pm
Nonstop2h 10m
Philadelphia
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$129
Kansas CityPhiladelphia
MCI Kansas City - PHL Philadelphia
MCIPHL
Kansas City
Sun 12/6
6:23 pm-6:35 pm
1 stop23h 12m
Philadelphia
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$133
St. LouisPhiladelphia
STL Lambert-St Louis - PHL Philadelphia
STLPHL
Lambert-St Louis
Tue 10/13
10:35 am-4:44 pm
1 stop5h 09m
Philadelphia
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$139
St. LouisPhiladelphia
STL Lambert-St Louis - PHL Philadelphia
STLPHL
Lambert-St Louis
Fri 10/9
7:50 pm-11:15 pm
Nonstop2h 25m
Philadelphia
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$150
St. LouisPhiladelphia
STL Lambert-St Louis - PHL Philadelphia
STLPHL
Lambert-St Louis
Fri 10/2
7:50 pm-11:10 pm
Nonstop2h 20m
Philadelphia
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$150
St. LouisPhiladelphia
STL Lambert-St Louis - PHL Philadelphia
STLPHL
Lambert-St Louis
Tue 12/8
6:05 pm-8:30 pm
2 stops25h 25m
Philadelphia
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$165
Kansas CityPhiladelphia
MCI Kansas City - PHL Philadelphia
MCIPHL
Kansas City
Wed 12/9
10:07 am-1:15 pm
2 stops26h 08m
Philadelphia
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$183
Kansas CityPhiladelphia
MCI Kansas City - PHL Philadelphia
MCIPHL
Kansas City
Tue 11/10
8:00 am-2:15 pm
1 stop5h 15m
Philadelphia
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$189
Kansas CityPhiladelphia
MCI Kansas City - PHL Philadelphia
MCIPHL
Kansas City
Thu 11/19
1:50 pm-11:10 pm
2 stops8h 20m
Philadelphia
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$194
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Missouri to Philadelphia
Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Missouri with our price prediction graph.
STL-PHL
MCI-PHL
COU-PHL
SGF-PHL
JLN-PHL
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 Missouri to Philadelphia
USMO-PHL
STL-PHL
MCI-PHL
COU-PHL
SGF-PHL
What is the cheapest month to book a flight from Missouri to Philadelphia?
Currently, September is the cheapest month in which you can book a flight from Missouri to Philadelphia (average of $389). Flying from Missouri to Philadelphia in March is currently the most expensive (average of $495). 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 MO to PHL?
Find hourly flight availability from Missouri to Philadelphia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 12, 2026.
When flying from Missouri to Philadelphia, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 53% versus a flight at noon.
Weekly flight availability from Missouri to Philadelphia
Explore weekly flight availability from Missouri to Philadelphia. 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 September 12, 2026.
The most flights from USMO to PHL are scheduled on a Thursday (12 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).
How much does it cost to fly round-trip from Missouri to Philadelphia?
Airfare is below average for this route at the moment.
Missouri to Philadelphia flights typically cost between $275 and $463 in October.The cheapest round-trip price found within the last 5 days was $84 on Frontier (Oct 7-Oct 14).
How far ahead should I book a flight from Missouri to Philadelphia?
To ensure you get the cheapest price possible for a flight from Missouri to Philadelphia, you should look to book at least 64 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest day to fly from Missouri to Philadelphia?
Use this chart to determine the cheapest time to fly round-trip from Missouri to Philadelphia. Price data was last updated on September 12, 2026.
Travelers seeking maximum savings on their Missouri to Philadelphia flight should consider departing on Thursday evenings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Related info for your journey
Find useful and relevant information for your journey from Missouri to Philadelphia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Philadelphia?
Book flights to Philadelphia if you plan to visit one of these locationsWildwood
Reading
King of Prussia
Camden
Wildwood Crest
Cherry Hill
Ocean City
Lewes
Plymouth Meeting
Wyomissing
Pottstown
Ephrata
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Vineland
Millville
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Alternative routes for Missouri to Philadelphia
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Complete your trip
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Search flights from Missouri to Philadelphia by cabin class
Find flights from Missouri to Philadelphia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Missouri and Philadelphia flights
Browse other Missouri and Philadelphia flight options. Last updated on September 12, 2026.
Other flights to Philadelphia
Explore flights to Philadelphia departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 12, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Missouri to Philadelphia flights
Consider these flights traveling from Missouri to Philadelphia.
Top 5 airlines flying from Missouri to Philadelphia
Discover the top 5 airlines that operate flights from Missouri to Philadelphia. 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 7,457,451 searches. Data last updated September 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$118 | Average$246 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$210 | Average$412 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$250 | Average$441 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$254 | Average$474 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$277 | Average$463 | FlexibilityNo cancel fee | On-time63% |