$83+ Cheap flights from Missouri to Delaware
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 7/13. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — ILG
Jul 18 — Jul 251
Round-trip
1 adult, Economy
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Find cheap flights from Missouri to Delaware with Cheapflights
1. Tell us where you want to go
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Cheapest flights from Missouri to DelawareExplore the most affordable flight options available from Missouri to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 18, 2026.
Explore the most affordable flight options available from Missouri to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/18. 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
Mon 7/138:30 am
PHL
- MCI
1 stop9h 40m
Frontier
Deal found 6/18![Frontier logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 7/106:07 pm
MCI
- PHL
1 stop13h 32m
Frontier
Thu 7/168:37 pm
PHL
- MCI
2 stops21h 33m
Frontier
Deal found 6/18![Frontier logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 7/206:07 pm
MCI
- PHL
1 stop12h 08m
Frontier
Thu 7/238:37 pm
PHL
- MCI
2 stops21h 33m
Frontier
Deal found 6/17![Frontier logo]()
$271
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 9/242:17 pm
MCI
- PHL
1 stop14h 19m
Frontier
Sun 9/275:28 pm
PHL
- MCI
1 stop24h 48m
Frontier
Deal found 6/18![Frontier logo]()
$272
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 7/106:07 pm
MCI
- PHL
1 stop13h 32m
Frontier
Wed 7/154:30 pm
PHL
- MCI
2 stops21h 30m
Frontier
Deal found 6/18![Frontier logo]()
$276
This American Airlines deal was found by Cheapflights users on 6/18. 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 7/2911:15 am
STL
- PHL
Nonstop2h 19m
American Airlines
Wed 8/510:01 pm
PHL
- STL
Nonstop2h 33m
American Airlines
Deal found 6/18![American Airlines logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 7/206:07 pm
MCI
- PHL
1 stop12h 08m
Frontier
Sat 7/254:30 pm
PHL
- MCI
2 stops21h 30m
Frontier
Deal found 6/18![Frontier logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 7/15:06 pm
STL
- PHL
1 stop13h 13m
Frontier
Wed 7/84:30 pm
PHL
- STL
1 stop26h 07m
Frontier
Deal found 6/18![Frontier logo]()
$278
This CheapOair deal was found by Cheapflights users on 6/17. 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.
Mon 7/136:07 pm
MCI
- PHL
1 stop12h 08m
Frontier
Thu 7/1612:44 pm
PHL
- MCI
1 stop25h 16m
Frontier
Deal found 6/17![Frontier logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 7/294:57 pm
STL
- PHL
1 stop13h 18m
Frontier
Sat 8/86:25 am
PHL
- STL
2 stops13h 58m
Frontier
Deal found 6/18![Frontier logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 7/106:07 pm
MCI
- PHL
1 stop13h 32m
Frontier
Mon 7/134:40 pm
PHL
- MCI
2 stops21h 20m
Frontier
Deal found 6/18![Frontier logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 9/36:17 pm
STL
- PHL
1 stop11h 58m
Frontier
Wed 9/98:44 pm
PHL
- STL
2 stops13h 56m
Frontier
Deal found 6/18![Frontier logo]()
$280
Best flights from Missouri to DelawareDiscover carefully curated flight deals from Missouri to Delaware that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 18, 2026.
Discover carefully curated flight deals from Missouri to Delaware that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 18, 2026.
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.
Wed 7/14:00 pm
STL
- PHL
1 stop4h 20m
Southwest
Sat 7/412:00 pm
PHL
- STL
Nonstop2h 20m
Southwest
Deal found 6/14![Southwest logo]()
$287
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.
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 6/13![American Airlines logo]()
$344
This United Airlines deal was found by Cheapflights users on 6/16. 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.
Fri 7/31:33 pm
SGF
- PHL
2 stops10h 24m
United Airlines
Sat 7/117:00 pm
PHL
- SGF
1 stop5h 27m
United Airlines
Deal found 6/16![United Airlines logo]()
$379
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 Kiwi.com deal was found by Cheapflights users on 6/17. 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 9/2811:26 am
SGF
- PHL
2 stops29h 49m
Multiple Airlines
Fri 10/25:15 am
PHL
- SGF
1 stop9h 55m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$396
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 8/116:30 am
STL
- PHL
1 stop6h 50m
Southwest
Thu 8/136:35 pm
PHL
- STL
Nonstop2h 25m
Southwest
Deal found 6/15![Southwest logo]()
$311
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 American Airlines deal was found by Cheapflights users on 6/18. 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 7/116:14 am
STL
- PHL
Nonstop2h 20m
American Airlines
Wed 7/153:24 pm
PHL
- STL
Nonstop2h 38m
American Airlines
Deal found 6/18![American Airlines logo]()
$378
This United Airlines deal was found by Cheapflights users on 6/18. 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
1 stop7h 25m
United Airlines
Sat 8/158:20 am
PHL
- COU
1 stop7h 10m
United Airlines
Deal found 6/18![United Airlines logo]()
$388
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.
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 6/15![United Airlines logo]()
$388
This Southwest deal was found by Cheapflights users on 6/18. 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 7/98:40 pm
STL
- PHL
Nonstop2h 15m
Southwest
Tue 7/145:05 pm
PHL
- STL
Nonstop2h 35m
Southwest
Deal found 6/18![Southwest logo]()
$378
This Delta deal was found by Cheapflights users on 6/18. 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 10/221:13 pm
MCI
- PHL
1 stop6h 24m
Delta
Sun 10/256:15 am
PHL
- MCI
1 stop6h 33m
Delta
Deal found 6/18![Delta logo]()
$471
This United Airlines deal was found by Cheapflights users on 6/17. 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 6/17![United Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 6/18. 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 9/37:07 am
MCI
- PHL
1 stop8h 04m
Delta
Mon 9/76:59 pm
PHL
- MCI
1 stop5h 59m
Delta
Deal found 6/18![Delta logo]()
$471
This Southwest deal was found by Cheapflights users on 6/18. 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
Fri 7/311:50 pm
PHL
- STL
2 stops10h 25m
Southwest
Deal found 6/18![Southwest logo]()
$400
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.
Wed 7/155:10 am
STL
- SBY
1 stop4h 48m
American Airlines
Wed 7/2211:25 am
SBY
- STL
1 stop6h 56m
American Airlines
Deal found 6/15![American Airlines logo]()
$497
This Delta deal was found by Cheapflights users on 6/18. 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 10/85:26 pm
MCI
- PHL
1 stop6h 25m
Delta
Mon 10/127:15 pm
PHL
- MCI
1 stop5h 02m
Delta
Deal found 6/18![Delta logo]()
$471
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.
Tue 10/278:52 am
JLN
- PHL
1 stop7h 30m
United Airlines
Sat 10/316:35 pm
PHL
- JLN
1 stop5h 44m
United Airlines
Deal found 6/13![United Airlines logo]()
$404
This Southwest deal was found by Cheapflights users on 6/17. 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 7/289:40 am
STL
- PHL
2 stops6h 20m
Southwest
Sun 8/24:25 pm
PHL
- STL
2 stops8h 30m
Southwest
Deal found 6/17![Southwest logo]()
$408
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.
Wed 8/56:00 am
MCI
- SBY
1 stop5h 09m
American Airlines
Wed 8/127:30 am
SBY
- MCI
1 stop5h 44m
American Airlines
Deal found 6/15![American Airlines logo]()
$497
This Delta deal was found by Cheapflights users on 6/18. 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 7/95:39 am
MCI
- PHL
1 stop6h 45m
Delta
Tue 7/148:05 am
PHL
- MCI
1 stop5h 08m
Delta
Deal found 6/18![Delta logo]()
$491
This Southwest deal was found by Cheapflights users on 6/16. 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 7/51:45 pm
PHL
- STL
Nonstop2h 20m
Southwest
Deal found 6/16![Southwest logo]()
$434
This United Airlines deal was found by Cheapflights users on 6/17. 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 12/28:52 am
JLN
- PHL
1 stop7h 30m
United Airlines
Sat 12/56:10 am
PHL
- JLN
2 stops12h 01m
United Airlines
Deal found 6/17![United Airlines logo]()
$439
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/132:08 pm
STL
- SBY
1 stop6h 50m
American Airlines
Sun 11/158:08 am
SBY
- STL
1 stop6h 09m
American Airlines
Deal found 6/14![American Airlines logo]()
$558
This United Airlines deal was found by Cheapflights users on 6/17. 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 6/17![United Airlines logo]()
$439
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.
Fri 7/178:40 pm
STL
- PHL
Nonstop2h 15m
Southwest
Sat 7/181:45 pm
PHL
- STL
Nonstop2h 20m
Southwest
Deal found 6/15![Southwest logo]()
$446
This American Airlines deal was found by Cheapflights users on 6/16. 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 8/275:42 pm
STL
- SBY
1 stop4h 16m
American Airlines
Sun 8/306:05 am
SBY
- STL
1 stop6h 51m
American Airlines
Deal found 6/16![American Airlines logo]()
$558
This United Airlines deal was found by Cheapflights users on 6/17. 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.
Fri 7/311:19 am
SGF
- PHL
1 stop5h 34m
United Airlines
Mon 7/67:00 pm
PHL
- SGF
1 stop5h 27m
United Airlines
Deal found 6/17![United Airlines logo]()
$446
This Southwest deal was found by Cheapflights users on 6/16. 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 7/18:30 am
MCI
- PHL
2 stops6h 40m
Southwest
Tue 7/76:20 am
PHL
- MCI
2 stops8h 10m
Southwest
Deal found 6/16![Southwest logo]()
$448
Last-minute flights from Missouri to DelawareDiscover last-minute flight deals from Missouri to Delaware. Data last updated June 18, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to Delaware. Data last updated June 18, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 7/15:06 pm
STL
- PHL
1 stop13h 13m
Frontier
Wed 7/84:30 pm
PHL
- STL
1 stop26h 07m
Frontier
Deal found 6/18![Frontier logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 6/18. 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
Fri 7/106:30 am
PHL
- MCI
1 stop11h 40m
Frontier
Deal found 6/18![Frontier logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 7/106:07 pm
MCI
- PHL
1 stop13h 32m
Frontier
Thu 7/168:37 pm
PHL
- MCI
2 stops21h 33m
Frontier
Deal found 6/18![Frontier logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 7/106:07 pm
MCI
- PHL
1 stop13h 32m
Frontier
Wed 7/154:30 pm
PHL
- MCI
2 stops21h 30m
Frontier
Deal found 6/18![Frontier logo]()
$276
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 7/106:07 pm
MCI
- PHL
1 stop13h 32m
Frontier
Mon 7/134:40 pm
PHL
- MCI
2 stops21h 20m
Frontier
Deal found 6/18![Frontier logo]()
$279
This CheapOair deal was found by Cheapflights users on 6/17. 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.
Mon 7/136:07 pm
MCI
- PHL
1 stop12h 08m
Frontier
Thu 7/1612:44 pm
PHL
- MCI
1 stop25h 16m
Frontier
Deal found 6/17![Frontier logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 7/166:34 pm
STL
- PHL
1 stop11h 41m
Frontier
Thu 7/238:37 pm
PHL
- STL
2 stops13h 20m
Frontier
Deal found 6/18![Frontier logo]()
$280
This Frontier deal was found by Cheapflights users on 6/18. 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 7/186:07 pm
MCI
- PHL
1 stop12h 08m
Frontier
Sun 7/1911:06 am
PHL
- MCI
1 stop29h 41m
Frontier
Deal found 6/18![Frontier logo]()
$280
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 7/206:07 pm
MCI
- PHL
1 stop12h 08m
Frontier
Thu 7/238:37 pm
PHL
- MCI
2 stops21h 33m
Frontier
Deal found 6/17![Frontier logo]()
$271
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 7/206:07 pm
MCI
- PHL
1 stop12h 08m
Frontier
Sat 7/254:30 pm
PHL
- MCI
2 stops21h 30m
Frontier
Deal found 6/18![Frontier logo]()
$277
This American Airlines deal was found by Cheapflights users on 6/18. 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 7/2911:15 am
STL
- PHL
Nonstop2h 19m
American Airlines
Wed 8/510:01 pm
PHL
- STL
Nonstop2h 33m
American Airlines
Deal found 6/18![American Airlines logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 7/294:57 pm
STL
- PHL
1 stop13h 18m
Frontier
Sat 8/86:25 am
PHL
- STL
2 stops13h 58m
Frontier
Deal found 6/18![Frontier logo]()
$279
One-way flights from Missouri to DelawareSearch for one-way flight options from Missouri to Delaware. Find affordable one-way fares based on user searches. Data last updated June 18, 2026.
Search for one-way flight options from Missouri to Delaware. Find affordable one-way fares based on user searches. Data last updated June 18, 2026.
This Trip.com deal was found by Cheapflights users on 6/18. 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.
Mon 7/134:57 pm
STL
- PHL
1 stop18h 25m
Frontier
Deal found 6/18![Frontier logo]()
$83
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 6/18![Frontier logo]()
$84
This Trip.com deal was found by Cheapflights users on 6/17. 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 7/176:07 pm
MCI
- PHL
1 stop17h 15m
Frontier
Deal found 6/17![Frontier logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 7/314:57 pm
STL
- PHL
1 stop14h 42m
Frontier
Deal found 6/18![Frontier logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 6/18. 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
Deal found 6/18![Frontier logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 6/17![Frontier logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 7/146:34 pm
STL
- PHL
1 stop11h 41m
Frontier
Deal found 6/17![Frontier logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 7/106:07 pm
MCI
- PHL
1 stop27h 21m
Frontier
Deal found 6/18![Frontier logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 8/174:57 pm
STL
- PHL
1 stop18h 29m
Frontier
Deal found 6/18![Frontier logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 stop12h 08m
Frontier
Deal found 6/18![Frontier logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 6/18. 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
Deal found 6/18![Frontier logo]()
$93
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 9/1310:35 am
STL
- PHL
1 stop11h 36m
Frontier
Deal found 6/17![Frontier logo]()
$94
Find flight deals from Missouri to Delaware
Keep the following information in mind while searching for Missouri to Delaware flight deals. Data was last updated June 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $268 (Kiwi.com) |
One-way from | $83 (Trip.com) |
Popular in | November |
Cheapest in | August |
Average price | $446 |
Cheapflights Fare Finder
Customize your flight search to find flights from Missouri to Delaware 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 18, 2026.
Use the filters below to find and compare flights from Missouri to Delaware that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisPhiladelphia
STL - PHL
STLPHL
Lambert-St Louis
Wed 7/1
4:00 pm-9:20 pm
1 stop4h 20m
Philadelphia
Sat 7/4
12:00 pm-1:20 pm
Nonstop2h 20m
$287
St. LouisPhiladelphia
STL - PHL
STLPHL
Lambert-St Louis
Tue 8/11
6:30 am-2:20 pm
1 stop6h 50m
Philadelphia
Thu 8/13
6:35 pm-8:00 pm
Nonstop2h 25m
$311
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
SpringfieldPhiladelphia
SGF - PHL
SGFPHL
Springfield-Branson
Tue 9/8
10:35 am-7:19 pm
1 stop7h 44m
Philadelphia
Sat 9/12
9:19 am-3:07 pm
1 stop6h 48m
$344
St. LouisPhiladelphia
STL - PHL
STLPHL
Lambert-St Louis
Sat 7/11
6:14 am-9:34 am
Nonstop2h 20m
Philadelphia
Wed 7/15
3:24 pm-5:02 pm
Nonstop2h 38m
$378
St. LouisPhiladelphia
STL - PHL
STLPHL
Lambert-St Louis
Thu 7/9
8:40 pm-11:55 pm
Nonstop2h 15m
Philadelphia
Tue 7/14
5:05 pm-6:40 pm
Nonstop2h 35m
$378
SpringfieldPhiladelphia
SGF - PHL
SGFPHL
Springfield-Branson
Fri 7/3
1:33 pm-12:57 am
2 stops10h 24m
Philadelphia
Sat 7/11
7:00 pm-11:27 pm
1 stop5h 27m
$379
Kansas CityPhiladelphia
MCI - PHL
MCIPHL
Kansas City
Tue 7/14
5:42 pm-11:56 pm
1 stop5h 14m
Philadelphia
Tue 7/21
7:17 pm-11:58 pm
1 stop5h 41m
$387
ColumbiaPhiladelphia
COU - PHL
COUPHL
Columbia Regional
Wed 8/12
6:15 am-2:40 pm
1 stop7h 25m
Philadelphia
Sat 8/15
8:20 am-2:30 pm
1 stop7h 10m
$388
ColumbiaPhiladelphia
COU - PHL
COUPHL
Columbia Regional
Sat 8/29
6:15 am-2:40 pm
1 stop7h 25m
Philadelphia
Tue 9/1
10:34 am-2:30 pm
1 stop4h 56m
$388
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Missouri to Delaware
Have a flexible travel schedule? Discover the best time to fly to Delaware from Missouri with our price prediction graph.
MCI-PHL
STL-PHL
SGF-PHL
COU-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 Delaware
USMO-USDE
MCI-PHL
STL-PHL
SGF-PHL
COU-PHL
No data available for this route at this time. Please check back soon.
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