$92+ Cheap flights from Missouri to Philadelphia (PHL)
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 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — PHL
Jul 16 — Jul 231
Round-trip
1 adult, Economy
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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 June 16, 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 June 16, 2026.
This Frontier deal was found by Cheapflights users on 6/13. 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.
Sat 8/17:10 pm
STL
- PHL
1 stop9h 50m
Frontier
Mon 8/312:46 pm
PHL
- STL
1 stop12h 13m
Frontier
Deal found 6/13![Frontier logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 6/12. 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.
Sat 7/114:57 pm
STL
- PHL
1 stop13h 18m
Frontier
Sat 7/189:16 pm
PHL
- STL
2 stops36h 41m
Frontier
Deal found 6/12![Frontier logo]()
$285
This Southwest deal was found by Cheapflights users on 6/11. 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.
Wed 7/295:20 pm
STL
- PHL
1 stop6h 45m
Southwest
Tue 8/46:25 am
PHL
- STL
Nonstop2h 15m
Southwest
Deal found 6/11![Southwest logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 7/287:03 pm
STL
- PHL
2 stops16h 19m
Frontier
Sun 8/28:30 am
PHL
- STL
1 stop10h 07m
Frontier
Deal found 6/14![Frontier logo]()
$288
This Frontier deal was found by Cheapflights users on 6/11. 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 6/264:17 pm
STL
- PHL
1 stop6h 26m
Frontier
Thu 7/26:30 am
PHL
- STL
1 stop12h 00m
Frontier
Deal found 6/11![Frontier logo]()
$289
This Frontier deal was found by Cheapflights users on 6/12. 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.
Thu 7/24:17 pm
STL
- PHL
1 stop7h 27m
Frontier
Sun 7/56:06 pm
PHL
- STL
1 stop6h 53m
Frontier
Deal found 6/12![Frontier logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 6/15. 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 7/174:57 pm
STL
- PHL
1 stop14h 42m
Frontier
Sat 7/181:32 pm
PHL
- STL
2 stops11h 27m
Frontier
Deal found 6/15![Frontier logo]()
$291
This Kiwi.com deal was found by Cheapflights users on 6/15. 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.
Thu 7/307:10 pm
STL
- PHL
2 stops20h 38m
Multiple Airlines
Tue 8/48:30 am
PHL
- STL
1 stop10h 07m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$292
This Kiwi.com deal was found by Cheapflights users on 6/12. 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.
Thu 7/96:34 pm
STL
- PHL
1 stop11h 41m
Frontier
Tue 7/146:30 am
PHL
- STL
2 stops13h 53m
Frontier
Deal found 6/12![Frontier logo]()
$295
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 7/277:10 pm
STL
- PHL
2 stops16h 12m
Frontier
Sun 8/28:30 am
PHL
- STL
1 stop10h 07m
Frontier
Deal found 6/13![Frontier logo]()
$296
This Delta deal was found by Cheapflights users on 6/11. 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.
Tue 6/306:30 am
STL
- PHL
1 stop4h 24m
Delta
Tue 6/304:10 pm
PHL
- STL
1 stop7h 08m
Delta
Deal found 6/11![Delta logo]()
$297
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 7/317:10 pm
STL
- PHL
2 stops16h 12m
Frontier
Tue 8/48:30 am
PHL
- STL
1 stop10h 07m
Frontier
Deal found 6/13![Frontier logo]()
$298
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 June 16, 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 June 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/15. 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 7/174:57 pm
STL
- PHL
1 stop14h 42m
Frontier
Sat 7/181:32 pm
PHL
- STL
2 stops11h 27m
Frontier
Deal found 6/15![Frontier logo]()
$291
This Southwest deal was found by Cheapflights users on 6/12. 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 9/17:15 am
STL
- PHL
2 stops7h 45m
Southwest
Wed 9/303:00 pm
PHL
- STL
2 stops8h 10m
Southwest
Deal found 6/12![Southwest logo]()
$300
This American Airlines deal was found by Cheapflights users on 6/13. 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.
Wed 8/56:00 am
COU
- PHL
1 stop7h 52m
American Airlines
Sat 8/85:43 am
PHL
- COU
1 stop7h 45m
American Airlines
Deal found 6/13![American Airlines logo]()
$308
This United Airlines deal was found by Cheapflights users on 6/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/269:00 am
COU
- PHL
1 stop9h 33m
United Airlines
Tue 9/296:55 pm
PHL
- COU
1 stop5h 00m
United Airlines
Deal found 6/12![United Airlines logo]()
$308
This Delta deal was found by Cheapflights users on 6/11. 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.
Tue 9/86:00 am
SGF
- PHL
1 stop6h 27m
Delta
Sat 9/125:30 am
PHL
- SGF
1 stop6h 31m
Delta
Deal found 6/11![Delta logo]()
$379
This Southwest deal was found by Cheapflights users on 6/12. 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.
Mon 8/177:05 pm
STL
- PHL
Nonstop2h 10m
Southwest
Wed 8/196:25 am
PHL
- STL
Nonstop2h 15m
Southwest
Deal found 6/12![Southwest logo]()
$301
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/410:28 am
COU
- PHL
1 stop7h 16m
American Airlines
Sun 7/55:15 am
PHL
- COU
1 stop5h 46m
American Airlines
Deal found 6/11![American Airlines logo]()
$308
This United Airlines deal was found by Cheapflights users on 6/15. 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.
Wed 8/196:15 am
COU
- PHL
1 stop5h 08m
United Airlines
Sat 8/2210:30 am
PHL
- COU
2 stops11h 29m
United Airlines
Deal found 6/15![United Airlines logo]()
$314
This Southwest deal was found by Cheapflights users on 6/12. 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 8/410:15 am
STL
- PHL
2 stops9h 40m
Southwest
Tue 8/113:00 pm
PHL
- STL
2 stops8h 10m
Southwest
Deal found 6/12![Southwest logo]()
$307
This American Airlines deal was found by Cheapflights users on 6/13. 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.
Wed 8/1212:43 pm
COU
- PHL
1 stop5h 36m
American Airlines
Sat 8/157:30 am
PHL
- COU
1 stop5h 58m
American Airlines
Deal found 6/13![American Airlines logo]()
$308
This Southwest deal was found by Cheapflights users on 6/14. 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 9/58:25 am
STL
- PHL
1 stop5h 15m
Southwest
Mon 9/76:20 am
PHL
- STL
Nonstop2h 15m
Southwest
Deal found 6/14![Southwest logo]()
$311
This Delta deal was found by Cheapflights users on 6/14. 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 7/145:42 pm
MCI
- PHL
1 stop5h 14m
Delta
Tue 7/217:17 pm
PHL
- MCI
1 stop5h 41m
Delta
Deal found 6/14![Delta logo]()
$387
This American Airlines deal was found by Cheapflights users on 6/15. 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 9/810:35 am
SGF
- PHL
1 stop7h 44m
American Airlines
Sat 9/129:19 am
PHL
- SGF
1 stop6h 48m
American Airlines
Deal found 6/15![American Airlines logo]()
$344
This United Airlines deal was found by Cheapflights users on 6/13. 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 8/296:15 am
COU
- PHL
1 stop7h 25m
United Airlines
Tue 9/110:34 am
PHL
- COU
1 stop4h 56m
United Airlines
Deal found 6/13![United Airlines logo]()
$388
This Southwest deal was found by Cheapflights users on 6/15. 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 8/117:15 am
STL
- PHL
2 stops7h 45m
Southwest
Thu 8/1312:45 pm
PHL
- STL
2 stops8h 10m
Southwest
Deal found 6/15![Southwest logo]()
$331
This United Airlines deal was found by Cheapflights users on 6/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/510:49 am
COU
- PHL
2 stops11h 31m
United Airlines
Sat 8/88:05 am
PHL
- COU
1 stop7h 45m
United Airlines
Deal found 6/12![United Airlines logo]()
$394
This United Airlines deal was found by Cheapflights users on 6/15. 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.
Wed 8/126:15 am
COU
- PHL
2 stops7h 06m
United Airlines
Sat 8/1510:34 am
PHL
- COU
1 stop4h 56m
United Airlines
Deal found 6/15![United Airlines logo]()
$394
This Southwest deal was found by Cheapflights users on 6/12. 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.
Sat 7/410:15 am
STL
- PHL
Nonstop2h 10m
Southwest
Sun 7/56:20 am
PHL
- STL
Nonstop2h 20m
Southwest
Deal found 6/12![Southwest logo]()
$378
This United Airlines deal was found by Cheapflights users on 6/15. 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.
Wed 12/28:00 am
SGF
- PHL
1 stop5h 22m
United Airlines
Sat 12/54:56 pm
PHL
- SGF
1 stop5h 27m
United Airlines
Deal found 6/15![United Airlines logo]()
$399
This Southwest deal was found by Cheapflights users on 6/12. 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 7/285:20 am
MCI
- PHL
1 stop4h 30m
Southwest
Tue 7/285:40 pm
PHL
- MCI
1 stop7h 00m
Southwest
Deal found 6/12![Southwest logo]()
$387
This United Airlines deal was found by Cheapflights users on 6/13. 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 11/143:10 pm
SGF
- PHL
1 stop6h 20m
United Airlines
Wed 11/1810:10 am
PHL
- SGF
2 stops11h 24m
United Airlines
Deal found 6/13![United Airlines logo]()
$404
This American Airlines deal was found by Cheapflights users on 6/15. 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.
Fri 6/265:21 pm
MCI
- PHL
Nonstop2h 48m
American Airlines
Mon 6/297:47 pm
PHL
- MCI
1 stop6h 01m
American Airlines
Deal found 6/15![American Airlines logo]()
$523
This Southwest deal was found by Cheapflights users on 6/11. 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 7/313:35 pm
STL
- PHL
2 stops7h 50m
Southwest
Wed 8/57:15 am
PHL
- STL
2 stops8h 55m
Southwest
Deal found 6/11![Southwest logo]()
$397
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Wed 10/288:52 am
JLN
- PHL
1 stop7h 30m
United Airlines
Sat 10/316:35 pm
PHL
- JLN
1 stop5h 44m
United Airlines
Deal found 6/11![United Airlines logo]()
$404
This Southwest deal was found by Cheapflights users on 6/11. 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.
Wed 7/295:25 am
STL
- PHL
2 stops11h 00m
Southwest
Mon 8/31:50 pm
PHL
- STL
2 stops10h 25m
Southwest
Deal found 6/11![Southwest logo]()
$400
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Sun 7/128:54 am
JLN
- PHL
1 stop7h 58m
United Airlines
Sat 7/258:05 am
PHL
- JLN
1 stop6h 17m
United Airlines
Deal found 6/11![United Airlines logo]()
$406
This Southwest deal was found by Cheapflights users on 6/11. 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 7/35:35 pm
STL
- PHL
1 stop5h 45m
Southwest
Sun 7/55:00 am
PHL
- STL
2 stops10h 30m
Southwest
Deal found 6/11![Southwest logo]()
$403
This United Airlines deal was found by Cheapflights users on 6/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/256:34 pm
SGF
- PHL
1 stop5h 23m
United Airlines
Wed 7/298:05 am
PHL
- SGF
1 stop7h 27m
United Airlines
Deal found 6/12![United Airlines logo]()
$412
This United Airlines deal was found by Cheapflights users on 6/11. 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 9/197:32 am
JLN
- PHL
1 stop6h 08m
United Airlines
Sat 9/266:15 am
PHL
- JLN
2 stops8h 16m
United Airlines
Deal found 6/11![United Airlines logo]()
$414
This Southwest deal was found by Cheapflights users on 6/11. 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.
Wed 8/1211:40 am
MCI
- PHL
2 stops8h 15m
Southwest
Sat 8/1511:55 am
PHL
- MCI
2 stops7h 25m
Southwest
Deal found 6/11![Southwest logo]()
$439
Last-minute flights from Missouri to PhiladelphiaDiscover last-minute flight deals from Missouri to Philadelphia. Data last updated June 16, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to Philadelphia. Data last updated June 16, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 6/11. 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 6/264:17 pm
STL
- PHL
1 stop6h 26m
Frontier
Thu 7/26:30 am
PHL
- STL
1 stop12h 00m
Frontier
Deal found 6/11![Frontier logo]()
$289
This Delta deal was found by Cheapflights users on 6/11. 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.
Tue 6/306:30 am
STL
- PHL
1 stop4h 24m
Delta
Tue 6/304:10 pm
PHL
- STL
1 stop7h 08m
Delta
Deal found 6/11![Delta logo]()
$297
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
Thu 7/26:31 pm
STL
- PHL
1 stop11h 48m
Frontier
Mon 7/68:37 pm
PHL
- STL
2 stops22h 00m
Frontier
Deal found 6/11![Frontier logo]()
$284
This Frontier deal was found by Cheapflights users on 6/12. 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.
Thu 7/24:17 pm
STL
- PHL
1 stop7h 27m
Frontier
Sun 7/56:06 pm
PHL
- STL
1 stop6h 53m
Frontier
Deal found 6/12![Frontier logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 6/12. 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.
Thu 7/96:34 pm
STL
- PHL
1 stop11h 41m
Frontier
Tue 7/146:30 am
PHL
- STL
2 stops13h 53m
Frontier
Deal found 6/12![Frontier logo]()
$295
This Kiwi.com deal was found by Cheapflights users on 6/12. 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.
Sat 7/114:57 pm
STL
- PHL
1 stop13h 18m
Frontier
Sat 7/189:16 pm
PHL
- STL
2 stops36h 41m
Frontier
Deal found 6/12![Frontier logo]()
$285
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
Fri 7/174:57 pm
STL
- PHL
2 stops17h 18m
Frontier
Sun 7/198:30 am
PHL
- STL
1 stop10h 07m
Frontier
Deal found 6/11![Frontier logo]()
$291
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 7/277:10 pm
STL
- PHL
2 stops16h 12m
Frontier
Sun 8/28:30 am
PHL
- STL
1 stop10h 07m
Frontier
Deal found 6/13![Frontier logo]()
$296
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 7/287:03 pm
STL
- PHL
2 stops16h 19m
Frontier
Sun 8/28:30 am
PHL
- STL
1 stop10h 07m
Frontier
Deal found 6/14![Frontier logo]()
$288
This Southwest deal was found by Cheapflights users on 6/11. 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.
Wed 7/295:20 pm
STL
- PHL
1 stop6h 45m
Southwest
Tue 8/46:25 am
PHL
- STL
Nonstop2h 15m
Southwest
Deal found 6/11![Southwest logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 6/15. 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.
Thu 7/307:10 pm
STL
- PHL
2 stops20h 38m
Multiple Airlines
Tue 8/48:30 am
PHL
- STL
1 stop10h 07m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$292
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 7/317:10 pm
STL
- PHL
2 stops16h 12m
Frontier
Tue 8/48:30 am
PHL
- STL
1 stop10h 07m
Frontier
Deal found 6/13![Frontier logo]()
$298
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 June 16, 2026.
Search for one-way flight options from Missouri to Philadelphia. Find affordable one-way fares based on user searches. Data last updated June 16, 2026.
This Trip.com deal was found by Cheapflights users on 6/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/16:16 pm
MCI
- PHL
1 stop12h 03m
Frontier
Deal found 6/11![Frontier logo]()
$92
This Trip.com deal was found by Cheapflights users on 6/15. 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.
Sat 9/1210:35 am
STL
- PHL
1 stop6h 40m
Frontier
Deal found 6/15![Frontier logo]()
$93
This Trip.com deal was found by Cheapflights users on 6/15. 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.
Wed 7/156:07 pm
MCI
- PHL
1 stop27h 21m
Frontier
Deal found 6/15![Frontier logo]()
$93
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 7/35:06 pm
STL
- PHL
1 stop13h 13m
Frontier
Deal found 6/12![Frontier logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
Tue 8/41:45 pm
MCI
- PHL
1 stop21h 04m
Frontier
Deal found 6/11![Frontier logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 6/15. 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 8/146:07 pm
MCI
- PHL
1 stop13h 32m
Frontier
Deal found 6/15![Frontier logo]()
$96
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 7/104:57 pm
STL
- PHL
1 stop14h 42m
Frontier
Deal found 6/13![Frontier logo]()
$97
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 7/86:07 pm
MCI
- PHL
1 stop12h 08m
Frontier
Deal found 6/11![Frontier logo]()
$97
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
Mon 8/176:07 pm
MCI
- PHL
1 stop27h 22m
Frontier
Deal found 6/11![Frontier logo]()
$98
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
Thu 7/96:34 pm
STL
- PHL
1 stop26h 59m
Frontier
Deal found 6/11![Frontier logo]()
$99
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
Sat 7/116:07 pm
MCI
- PHL
1 stop12h 08m
Frontier
Deal found 6/11![Frontier logo]()
$99
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 7/66:07 pm
MCI
- PHL
1 stop27h 21m
Frontier
Deal found 6/12![Frontier logo]()
$111
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 June 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $284 (Frontier) |
One-way from | $92 (Trip.com) |
Popular in | November |
Cheapest in | August |
Average price | $458 |
Good round-trip deal | $384 or less |
Good one-way deal | $233 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 2,558,603 searches. Data last updated June 16, 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 - PHL
STLPHL
Lambert-St Louis
Fri 7/17
4:57 pm-8:39 am
1 stop14h 42m
Philadelphia
Sat 7/18
1:32 pm-11:59 pm
2 stops11h 27m
$291
St. LouisPhiladelphia
STL - PHL
STLPHL
Lambert-St Louis
Tue 9/1
7:15 am-4:00 pm
2 stops7h 45m
Philadelphia
Wed 9/30
3:00 pm-10:10 pm
2 stops8h 10m
$300
Quickest round-trip
St. LouisPhiladelphia
STL - PHL
STLPHL
Lambert-St Louis
Mon 8/17
7:05 pm-10:15 pm
Nonstop2h 10m
Philadelphia
Wed 8/19
6:25 am-7:40 am
Nonstop2h 15m
$301
St. LouisPhiladelphia
STL - PHL
STLPHL
Lambert-St Louis
Tue 8/4
10:15 am-8:55 pm
2 stops9h 40m
Philadelphia
Tue 8/11
3:00 pm-10:10 pm
2 stops8h 10m
$307
ColumbiaPhiladelphia
COU - PHL
COUPHL
Columbia Regional
Wed 8/5
6:00 am-2:52 pm
1 stop7h 52m
Philadelphia
Sat 8/8
5:43 am-12:28 pm
1 stop7h 45m
$308
ColumbiaPhiladelphia
COU - PHL
COUPHL
Columbia Regional
Sat 9/26
9:00 am-7:33 pm
1 stop9h 33m
Philadelphia
Tue 9/29
6:55 pm-10:55 pm
1 stop5h 00m
$308
ColumbiaPhiladelphia
COU - PHL
COUPHL
Columbia Regional
Sat 7/4
10:28 am-6:44 pm
1 stop7h 16m
Philadelphia
Sun 7/5
5:15 am-10:01 am
1 stop5h 46m
$308
ColumbiaPhiladelphia
COU - PHL
COUPHL
Columbia Regional
Wed 8/12
12:43 pm-7:19 pm
1 stop5h 36m
Philadelphia
Sat 8/15
7:30 am-12:28 pm
1 stop5h 58m
$308
St. LouisPhiladelphia
STL - PHL
STLPHL
Lambert-St Louis
Sat 9/5
8:25 am-2:40 pm
1 stop5h 15m
Philadelphia
Mon 9/7
6:20 am-7:35 am
Nonstop2h 15m
$311
ColumbiaPhiladelphia
COU - PHL
COUPHL
Columbia Regional
Wed 8/19
6:15 am-12:23 pm
1 stop5h 08m
Philadelphia
Sat 8/22
10:30 am-8:59 pm
2 stops11h 29m
$314
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
COU-PHL
SGF-PHL
MCI-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
COU-PHL
SGF-PHL
MCI-PHL
What is the cheapest month to book a flight from Missouri to Philadelphia?
Currently, August is the cheapest month in which you can book a flight from Missouri to Philadelphia (average of $82). Flying from Missouri to Philadelphia in June is currently the most expensive (average of $185). 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 June 16, 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 72% 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 June 16, 2026.
The most flights from USMO to PHL are scheduled on a Monday (11 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?
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 June 13, 2026.
Travelers seeking maximum savings on their Missouri to Philadelphia flight should consider departing on Wednesday 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
King of Prussia
Reading
Camden
Ocean City
Plymouth Meeting
Cherry Hill
Lewes
Dewey Beach
Pottstown
Ephrata
Milford
Wildwood Crest
Dover
Elkton
Essington
Willow Grove
New Castle
Millville
Vineland
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Missouri to Philadelphia
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Complete your trip
Complete your trip to Philadelphia by adding a car rental and/or hotel reservation to your travel itinerary.
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 June 16, 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 June 16, 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 2,558,603 searches. Data last updated June 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$119 | Average$235 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$235 | Average$467 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$244 | Average$373 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$245 | Average$423 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$275 | Average$465 | FlexibilityNo cancel fee | On-time63% |