$76+ 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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PHL
May 31 — Jun 71
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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
Cheapest
Best
Last-minute
One-way
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 May 1, 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 May 1, 2026.
This Expedia deal was found by Cheapflights users on 4/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/264:19 pm
STL
- PHL
1 stop15h 40m
Frontier
Tue 6/27:55 am
PHL
- STL
1 stop17h 02m
Frontier
Deal found 4/26![Frontier logo]()
$160
This Booking.com deal was found by Cheapflights users on 4/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/154:19 pm
STL
- PHL
1 stop15h 35m
Frontier
Mon 5/187:55 am
PHL
- STL
1 stop17h 26m
Frontier
Deal found 4/27![Frontier logo]()
$172
This Expedia deal was found by Cheapflights users on 4/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/166:24 pm
MCI
- PHL
1 stop11h 48m
Frontier
Sat 5/236:30 am
PHL
- MCI
1 stop11h 59m
Frontier
Deal found 4/28![Frontier logo]()
$180
This Frontier deal was found by Cheapflights users on 4/28. 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 5/164:19 pm
STL
- PHL
1 stop7h 25m
Frontier
Tue 5/197:48 am
PHL
- STL
1 stop10h 45m
Frontier
Deal found 4/28![Frontier logo]()
$181
This Expedia deal was found by Cheapflights users on 4/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/249:06 pm
STL
- PHL
1 stop32h 15m
Frontier
Sun 5/318:30 am
PHL
- STL
1 stop10h 03m
Frontier
Deal found 4/29![Frontier logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 6/106:16 pm
MCI
- PHL
1 stop12h 03m
Frontier
Thu 6/114:35 pm
PHL
- MCI
1 stop25h 46m
Frontier
Deal found 4/27![Frontier logo]()
$187
This Frontier deal was found by Cheapflights users on 4/30. 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.
Tue 8/44:09 pm
STL
- PHL
1 stop7h 28m
Frontier
Tue 8/2512:42 pm
PHL
- STL
1 stop7h 41m
Frontier
Deal found 4/30![Frontier logo]()
$190
This Booking.com deal was found by Cheapflights users on 4/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/184:19 pm
STL
- PHL
1 stop15h 40m
Frontier
Wed 5/208:35 pm
PHL
- STL
1 stop23h 48m
Frontier
Deal found 4/27![Frontier logo]()
$194
This Frontier deal was found by Cheapflights users on 4/29. 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 6/44:19 pm
STL
- PHL
1 stop7h 21m
Frontier
Sat 6/1311:35 am
PHL
- STL
1 stop7h 59m
Frontier
Deal found 4/29![Frontier logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/278:08 pm
STL
- PHL
1 stop8h 29m
Frontier
Wed 6/38:43 pm
PHL
- STL
2 stops21h 50m
Frontier
Deal found 4/28![Frontier logo]()
$200
This Frontier deal was found by Cheapflights users on 4/30. 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.
Wed 6/36:24 pm
MCI
- PHL
1 stop11h 48m
Frontier
Sat 6/66:30 am
PHL
- MCI
1 stop11h 59m
Frontier
Deal found 4/30![Frontier logo]()
$200
This Priceline deal was found by Cheapflights users on 4/30. 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.
Wed 5/278:08 pm
STL
- PHL
1 stop8h 29m
Frontier
Sat 5/305:34 pm
PHL
- STL
1 stop7h 23m
Frontier
Deal found 4/30![Frontier logo]()
$201
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 May 1, 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 May 1, 2026.
This United Airlines deal was found by Cheapflights users on 4/28. 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 5/263:25 pm
COU
- PHL
1 stop5h 03m
United Airlines
Tue 6/210:32 am
PHL
- COU
2 stops12h 27m
United Airlines
Deal found 4/28![United Airlines logo]()
$334
This Southwest deal was found by Cheapflights users on 4/26. 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 5/227:55 pm
STL
- PHL
Nonstop2h 10m
Southwest
Mon 5/2512:20 pm
PHL
- STL
Nonstop2h 25m
Southwest
Deal found 4/26![Southwest logo]()
$344
This Delta deal was found by Cheapflights users on 4/29. 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 6/56:49 pm
SGF
- PHL
1 stop5h 08m
Delta
Mon 6/84:10 pm
PHL
- SGF
1 stop6h 59m
Delta
Deal found 4/29![Delta logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 6/210:52 am
SGF
- PHL
2 stops36h 01m
Multiple Airlines
Fri 6/58:43 pm
PHL
- SGF
1 stop12h 13m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$385
This American Airlines deal was found by Cheapflights users on 4/26. 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 7/106:32 pm
COU
- PHL
1 stop5h 27m
American Airlines
Mon 7/134:55 pm
PHL
- COU
1 stop6h 51m
American Airlines
Deal found 4/26![American Airlines logo]()
$418
This United Airlines deal was found by Cheapflights users on 4/28. 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 8/221:54 pm
JLN
- PHL
2 stops9h 56m
United Airlines
Sat 8/291:31 pm
PHL
- JLN
2 stops11h 22m
United Airlines
Deal found 4/28![United Airlines logo]()
$349
This Southwest deal was found by Cheapflights users on 4/28. 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 6/131:00 pm
STL
- PHL
Nonstop2h 10m
Southwest
Wed 6/175:05 pm
PHL
- STL
Nonstop2h 35m
Southwest
Deal found 4/28![Southwest logo]()
$368
This Delta deal was found by Cheapflights users on 4/28. 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 5/136:52 pm
SGF
- PHL
1 stop5h 05m
Delta
Sun 5/175:17 am
PHL
- SGF
1 stop7h 10m
Delta
Deal found 4/28![Delta logo]()
$369
This United Airlines deal was found by Cheapflights users on 4/29. 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 7/26:55 pm
SGF
- PHL
1 stop5h 02m
United Airlines
Tue 7/76:55 pm
PHL
- SGF
1 stop5h 47m
United Airlines
Deal found 4/29![United Airlines logo]()
$361
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 6/18:59 am
SGF
- PHL
2 stops29h 43m
Multiple Airlines
Fri 6/58:43 pm
PHL
- SGF
1 stop12h 13m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$405
This Southwest deal was found by Cheapflights users on 4/26. 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 6/175:40 am
STL
- PHL
1 stop4h 10m
Southwest
Mon 6/226:05 am
PHL
- STL
Nonstop2h 20m
Southwest
Deal found 4/26![Southwest logo]()
$378
This Delta deal was found by Cheapflights users on 4/30. 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 7/155:40 pm
MCI
- PHL
1 stop4h 36m
Delta
Tue 7/219:46 am
PHL
- MCI
1 stop4h 38m
Delta
Deal found 4/30![Delta logo]()
$387
This American Airlines deal was found by Cheapflights users on 4/28. 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 5/156:24 pm
SGF
- PHL
1 stop5h 16m
American Airlines
Mon 5/185:00 am
PHL
- SGF
1 stop6h 24m
American Airlines
Deal found 4/28![American Airlines logo]()
$444
This Southwest deal was found by Cheapflights users on 4/29. 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 6/201:50 pm
MCI
- PHL
2 stops8h 45m
Southwest
Sat 6/2711:25 am
PHL
- MCI
2 stops7h 00m
Southwest
Deal found 4/29![Southwest logo]()
$397
This United Airlines deal was found by Cheapflights users on 4/27. 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 8/58:00 am
COU
- PHL
1 stop5h 47m
United Airlines
Sat 8/86:00 am
PHL
- COU
1 stop5h 48m
United Airlines
Deal found 4/27![United Airlines logo]()
$408
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 6/188:10 pm
SGF
- PHL
1 stop28h 07m
Multiple Airlines
Sun 6/217:22 pm
PHL
- SGF
2 stops15h 12m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$459
This Delta deal was found by Cheapflights users on 4/28. 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 7/85:39 am
MCI
- PHL
1 stop6h 45m
Delta
Sun 7/129:46 am
PHL
- MCI
1 stop4h 38m
Delta
Deal found 4/28![Delta logo]()
$419
This United Airlines deal was found by Cheapflights users on 4/28. 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 5/2710:53 am
COU
- PHL
1 stop7h 25m
United Airlines
Wed 6/36:45 pm
PHL
- COU
1 stop5h 21m
United Airlines
Deal found 4/28![United Airlines logo]()
$408
This Southwest deal was found by Cheapflights users on 4/27. 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 8/47:40 am
MCI
- PHL
1 stop4h 25m
Southwest
Fri 8/1411:45 am
PHL
- MCI
1 stop7h 30m
Southwest
Deal found 4/27![Southwest logo]()
$418
This Delta deal was found by Cheapflights users on 4/26. 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 6/131:17 pm
MCI
- PHL
1 stop7h 02m
Delta
Thu 6/186:10 am
PHL
- MCI
1 stop4h 34m
Delta
Deal found 4/26![Delta logo]()
$419
This United Airlines deal was found by Cheapflights users on 4/29. 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 8/263:05 pm
COU
- PHL
1 stop5h 16m
United Airlines
Sat 8/2910:28 am
PHL
- COU
2 stops11h 02m
United Airlines
Deal found 4/29![United Airlines logo]()
$414
This Southwest deal was found by Cheapflights users on 4/26. 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 5/166:55 am
MCI
- PHL
2 stops7h 50m
Southwest
Sat 5/239:45 am
PHL
- MCI
2 stops10h 45m
Southwest
Deal found 4/26![Southwest logo]()
$419
This Delta deal was found by Cheapflights users on 4/27. 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 6/263:30 pm
SGF
- PHL
1 stop4h 49m
Delta
Mon 7/612:07 pm
PHL
- SGF
1 stop7h 05m
Delta
Deal found 4/27![Delta logo]()
$439
This United Airlines deal was found by Cheapflights users on 4/26. 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 8/1211:30 am
COU
- PHL
1 stop5h 12m
United Airlines
Sat 8/1510:28 am
PHL
- COU
2 stops8h 17m
United Airlines
Deal found 4/26![United Airlines logo]()
$414
This Southwest deal was found by Cheapflights users on 4/29. 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 6/132:15 pm
MCI
- PHL
2 stops8h 20m
Southwest
Thu 6/188:25 pm
PHL
- MCI
1 stop4h 45m
Southwest
Deal found 4/29![Southwest logo]()
$423
This Delta deal was found by Cheapflights users on 4/27. 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.
Thu 7/167:00 am
MCI
- PHL
1 stop7h 02m
Delta
Mon 7/276:25 am
PHL
- MCI
1 stop6h 48m
Delta
Deal found 4/27![Delta logo]()
$451
This Southwest deal was found by Cheapflights users on 4/27. 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 6/121:45 pm
MCI
- PHL
2 stops7h 05m
Southwest
Wed 6/176:20 am
PHL
- MCI
2 stops8h 10m
Southwest
Deal found 4/27![Southwest logo]()
$429
This United Airlines deal was found by Cheapflights users on 4/30. 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 5/1211:30 am
MCI
- PHL
1 stop5h 02m
United Airlines
Wed 5/131:26 pm
PHL
- MCI
1 stop4h 54m
United Airlines
Deal found 4/30![United Airlines logo]()
$449
This Southwest deal was found by Cheapflights users on 4/30. 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 7/173:00 pm
MCI
- PHL
1 stop8h 20m
Southwest
Tue 7/216:20 am
PHL
- MCI
2 stops8h 10m
Southwest
Deal found 4/30![Southwest logo]()
$429
This United Airlines deal was found by Cheapflights users on 4/28. 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 9/191:54 pm
JLN
- PHL
2 stops9h 56m
United Airlines
Sat 9/264:56 pm
PHL
- JLN
1 stop7h 23m
United Airlines
Deal found 4/28![United Airlines logo]()
$459
Last-minute flights from Missouri to PhiladelphiaDiscover last-minute flight deals from Missouri to Philadelphia. Data last updated May 1, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to Philadelphia. Data last updated May 1, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 4/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/144:19 pm
STL
- PHL
1 stop7h 21m
Frontier
Wed 5/208:35 pm
PHL
- STL
1 stop23h 48m
Frontier
Deal found 4/26![Frontier logo]()
$208
This Booking.com deal was found by Cheapflights users on 4/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/154:19 pm
STL
- PHL
1 stop15h 35m
Frontier
Mon 5/187:55 am
PHL
- STL
1 stop17h 26m
Frontier
Deal found 4/27![Frontier logo]()
$172
This Expedia deal was found by Cheapflights users on 4/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/166:24 pm
MCI
- PHL
1 stop11h 48m
Frontier
Sat 5/236:30 am
PHL
- MCI
1 stop11h 59m
Frontier
Deal found 4/28![Frontier logo]()
$180
This Frontier deal was found by Cheapflights users on 4/28. 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 5/164:19 pm
STL
- PHL
1 stop7h 25m
Frontier
Tue 5/197:48 am
PHL
- STL
1 stop10h 45m
Frontier
Deal found 4/28![Frontier logo]()
$181
This Booking.com deal was found by Cheapflights users on 4/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/184:19 pm
STL
- PHL
1 stop15h 40m
Frontier
Wed 5/208:35 pm
PHL
- STL
1 stop23h 48m
Frontier
Deal found 4/27![Frontier logo]()
$194
This Frontier deal was found by Cheapflights users on 4/30. 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 5/218:08 pm
STL
- PHL
1 stop8h 29m
Frontier
Tue 5/266:10 pm
PHL
- STL
1 stop6h 47m
Frontier
Deal found 4/30![Frontier logo]()
$205
This Frontier deal was found by Cheapflights users on 4/27. 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 5/236:24 pm
MCI
- PHL
1 stop11h 48m
Frontier
Wed 5/278:40 am
PHL
- MCI
1 stop9h 49m
Frontier
Deal found 4/27![Frontier logo]()
$205
This Expedia deal was found by Cheapflights users on 4/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/249:06 pm
STL
- PHL
1 stop32h 15m
Frontier
Sun 5/318:30 am
PHL
- STL
1 stop10h 03m
Frontier
Deal found 4/29![Frontier logo]()
$185
This Expedia deal was found by Cheapflights users on 4/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/264:19 pm
STL
- PHL
1 stop15h 40m
Frontier
Tue 6/27:55 am
PHL
- STL
1 stop17h 02m
Frontier
Deal found 4/26![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/278:08 pm
STL
- PHL
1 stop8h 29m
Frontier
Wed 6/38:43 pm
PHL
- STL
2 stops21h 50m
Frontier
Deal found 4/28![Frontier logo]()
$200
This Priceline deal was found by Cheapflights users on 4/30. 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.
Wed 5/278:08 pm
STL
- PHL
1 stop8h 29m
Frontier
Sat 5/305:34 pm
PHL
- STL
1 stop7h 23m
Frontier
Deal found 4/30![Frontier logo]()
$201
This Expedia deal was found by Cheapflights users on 4/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:24 pm
MCI
- PHL
1 stop11h 48m
Frontier
Sat 6/66:30 am
PHL
- MCI
1 stop11h 59m
Frontier
Deal found 4/27![Frontier logo]()
$200
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 May 1, 2026.
Search for one-way flight options from Missouri to Philadelphia. Find affordable one-way fares based on user searches. Data last updated May 1, 2026.
This Frontier deal was found by Cheapflights users on 4/29. 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.
Tue 5/266:33 pm
STL
- PHL
1 stop11h 39m
Frontier
Deal found 4/29![Frontier logo]()
$76
This Trip.com deal was found by Cheapflights users on 4/27. 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 6/246:16 pm
MCI
- PHL
1 stop12h 03m
Frontier
Deal found 4/27![Frontier logo]()
$81
This Frontier deal was found by Cheapflights users on 4/30. 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 5/236:24 pm
MCI
- PHL
1 stop11h 48m
Frontier
Deal found 4/30![Frontier logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 6/245:06 pm
STL
- PHL
1 stop13h 13m
Frontier
Deal found 4/27![Frontier logo]()
$88
This Super.com deal was found by Cheapflights users on 5/1. 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.
Fri 5/154:19 pm
STL
- PHL
1 stop6h 10m
Frontier
Deal found 5/1![Frontier logo]()
$89
This Frontier deal was found by Cheapflights users on 4/29. 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 5/284:19 pm
STL
- PHL
1 stop7h 21m
Frontier
Deal found 4/29![Frontier logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/278:08 pm
STL
- PHL
1 stop8h 29m
Frontier
Deal found 4/28![Frontier logo]()
$93
This Super.com deal was found by Cheapflights users on 4/26. 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.
Sun 5/106:55 pm
STL
- PHL
1 stop11h 17m
Frontier
Deal found 4/26![Frontier logo]()
$95
This Frontier deal was found by Cheapflights users on 4/29. 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 5/146:55 pm
STL
- PHL
1 stop11h 17m
Frontier
Deal found 4/29![Frontier logo]()
$96
This Expedia deal was found by Cheapflights users on 4/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/164:19 pm
STL
- PHL
1 stop15h 35m
Frontier
Deal found 4/28![Frontier logo]()
$98
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 6/16:24 pm
MCI
- PHL
2 stops52h 21m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$98
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/275:27 pm
STL
- PHL
2 stops14h 58m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$100
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 May 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $160 (Expedia) |
One-way from | $76 (Frontier) |
Popular in | November |
Cheapest in | August |
Average price | $395 |
Good round-trip deal | $404 or less |
Good one-way deal | $217 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 May 1, 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
ColumbiaPhiladelphia
COU - PHL
COUPHL
Columbia Regional
Tue 5/26
3:25 pm-9:28 pm
1 stop5h 03m
Philadelphia
Tue 6/2
10:32 am-9:59 pm
2 stops12h 27m
$334
Quickest round-trip
St. LouisPhiladelphia
STL - PHL
STLPHL
Lambert-St Louis
Fri 5/22
7:55 pm-11:05 pm
Nonstop2h 10m
Philadelphia
Mon 5/25
12:20 pm-1:45 pm
Nonstop2h 25m
$344
JoplinPhiladelphia
JLN - PHL
JLNPHL
Joplin
Sat 8/22
1:54 pm-12:50 am
2 stops9h 56m
Philadelphia
Sat 8/29
1:31 pm-11:53 pm
2 stops11h 22m
$349
SpringfieldPhiladelphia
SGF - PHL
SGFPHL
Springfield-Branson
Fri 6/5
6:49 pm-12:57 am
1 stop5h 08m
Philadelphia
Mon 6/8
4:10 pm-10:09 pm
1 stop6h 59m
$354
SpringfieldPhiladelphia
SGF - PHL
SGFPHL
Springfield-Branson
Thu 7/2
6:55 pm-12:57 am
1 stop5h 02m
Philadelphia
Tue 7/7
6:55 pm-11:42 pm
1 stop5h 47m
$361
St. LouisPhiladelphia
STL - PHL
STLPHL
Lambert-St Louis
Sat 6/13
1:00 pm-4:10 pm
Nonstop2h 10m
Philadelphia
Wed 6/17
5:05 pm-6:40 pm
Nonstop2h 35m
$368
SpringfieldPhiladelphia
SGF - PHL
SGFPHL
Springfield-Branson
Wed 5/13
6:52 pm-12:57 am
1 stop5h 05m
Philadelphia
Sun 5/17
5:17 am-11:27 am
1 stop7h 10m
$369
St. LouisPhiladelphia
STL - PHL
STLPHL
Lambert-St Louis
Wed 6/17
5:40 am-10:50 am
1 stop4h 10m
Philadelphia
Mon 6/22
6:05 am-7:25 am
Nonstop2h 20m
$378
SpringfieldPhiladelphia
SGF - PHL
SGFPHL
Springfield-Branson
Tue 6/2
10:52 am-11:53 pm
2 stops36h 01m
Philadelphia
Fri 6/5
8:43 pm-7:56 am
1 stop12h 13m
$385
Kansas CityPhiladelphia
MCI - PHL
MCIPHL
Kansas City
Wed 7/15
5:40 pm-11:16 pm
1 stop4h 36m
Philadelphia
Tue 7/21
9:46 am-1:24 pm
1 stop4h 38m
$387
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.
COU-PHL
STL-PHL
SGF-PHL
JLN-PHL
MCI-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
COU-PHL
STL-PHL
SGF-PHL
JLN-PHL
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 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 $196). 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 May 1, 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 74% versus a flight at noon.
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 April 25, 2026.
Travelers seeking maximum savings on their Missouri to Philadelphia flight should consider departing on Tuesday 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.
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 May 1, 2026.
The most flights from USMO to PHL are scheduled on a Monday (8 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).
How much does it cost to fly round-trip from Missouri to Philadelphia?
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
Lewes
Dewey Beach
Pottstown
Vineland
Ephrata
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Millville
Glen Mills
Chester
Newark
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.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Philadelphia flight routes
Popular flights
Top destinations
Alternative routes for Missouri to Philadelphia
See prices for flight routes from nearby airports that may be better suited for you.
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 May 1, 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 May 1, 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 6 airlines flying from Missouri to Philadelphia
Discover the top 6 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 May 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$82 | Average$211 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$119 | Average$235 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$205 | Average$388 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$245 | Average$467 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$245 | Average$431 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$252 | Average$450 | FlexibilityNo cancel fee | On-time63% |