$111+ Cheap flights from Connecticut to St. Louis (STL)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/30. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — STL
Jun 27 — Jul 41
Round-trip
1 adult, Economy
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Connecticut to St. LouisExplore the most affordable flight options available from Connecticut to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 28, 2026.
Explore the most affordable flight options available from Connecticut to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 28, 2026.
This Super.com deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/811:30 am
EWR
- STL
1 stop13h 29m
Frontier
Tue 7/146:34 pm
STL
- EWR
1 stop5h 29m
Frontier
Deal found 5/24![Frontier logo]()
$237
This Frontier deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” 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 7/215:55 am
EWR
- STL
1 stop12h 42m
Frontier
Sun 7/266:34 pm
STL
- EWR
1 stop5h 29m
Frontier
Deal found 5/25![Frontier logo]()
$240
This Mytrip deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1411:30 am
EWR
- STL
1 stop13h 29m
Frontier
Tue 7/214:09 pm
STL
- EWR
1 stop17h 22m
Frontier
Deal found 5/25![Frontier logo]()
$241
This Booking.com deal was found by Cheapflights users on 5/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1512:27 pm
BDL
- STL
1 stop12h 32m
Frontier
Tue 7/214:09 pm
STL
- BDL
1 stop18h 23m
Frontier
Deal found 5/28![Frontier logo]()
$242
This Frontier deal was found by Cheapflights users on 5/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/3010:29 pm
EWR
- STL
1 stop11h 23m
Frontier
Sat 7/45:06 pm
STL
- EWR
1 stop6h 59m
Frontier
Deal found 5/26![Frontier logo]()
$244
This Frontier deal was found by Cheapflights users on 5/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/910:29 pm
EWR
- STL
1 stop11h 28m
Frontier
Sat 7/254:57 pm
STL
- EWR
1 stop7h 06m
Frontier
Deal found 5/26![Frontier logo]()
$245
This Super.com deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/811:30 am
EWR
- STL
1 stop13h 29m
Frontier
Mon 7/134:57 pm
STL
- EWR
1 stop7h 06m
Frontier
Deal found 5/24![Frontier logo]()
$247
This Frontier deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” 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 6/2011:30 am
EWR
- STL
1 stop13h 19m
Frontier
Tue 6/236:31 pm
STL
- EWR
1 stop5h 34m
Frontier
Deal found 5/24![Frontier logo]()
$248
This Frontier deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” 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.
Mon 6/2212:38 pm
BDL
- STL
1 stop12h 11m
Frontier
Tue 6/304:17 pm
STL
- BDL
1 stop18h 52m
Frontier
Deal found 5/25![Frontier logo]()
$249
This Frontier deal was found by Cheapflights users on 5/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/185:58 am
EWR
- STL
1 stop12h 32m
Frontier
Tue 6/236:31 pm
STL
- EWR
1 stop5h 34m
Frontier
Deal found 5/26![Frontier logo]()
$249
This Frontier deal was found by Cheapflights users on 5/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/95:55 am
EWR
- STL
1 stop12h 42m
Frontier
Mon 7/134:57 pm
STL
- EWR
1 stop7h 06m
Frontier
Deal found 5/26![Frontier logo]()
$250
This Gotogate deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/811:30 am
EWR
- STL
1 stop13h 29m
Frontier
Wed 7/154:09 pm
STL
- EWR
1 stop17h 22m
Frontier
Deal found 5/24![Frontier logo]()
$251
Best flights from Connecticut to St. LouisDiscover carefully curated flight deals from Connecticut to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 28, 2026.
Discover carefully curated flight deals from Connecticut to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 28, 2026.
This Delta deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” 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 8/136:00 am
LGA
- STL
1 stop5h 23m
Delta
Tue 8/186:05 am
STL
- LGA
Nonstop2h 33m
Delta
Deal found 5/23![Delta logo]()
$314
This United Airlines deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” 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 7/1010:17 pm
EWR
- STL
Nonstop2h 27m
United Airlines
Tue 7/146:01 am
STL
- EWR
Nonstop2h 29m
United Airlines
Deal found 5/25![United Airlines logo]()
$331
This Southwest deal was found by Cheapflights users on 5/27. 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 7/142:35 pm
BDL
- STL
1 stop5h 40m
Southwest
Wed 7/225:40 am
STL
- BDL
2 stops7h 20m
Southwest
Deal found 5/27![Southwest logo]()
$340
This American Airlines deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” 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 7/37:56 am
JFK
- STL
1 stop6h 56m
American Airlines
Sun 7/57:31 am
STL
- JFK
1 stop5h 16m
American Airlines
Deal found 5/23![American Airlines logo]()
$393
This Kiwi.com deal was found by Cheapflights users on 5/27. 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.
Thu 6/118:36 pm
HVN
- STL
2 stops37h 16m
Multiple Airlines
Mon 6/154:17 pm
STL
- HVN
1 stop20h 45m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$494
This Delta deal was found by Cheapflights users on 5/26. 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.
Thu 8/67:10 am
JFK
- STL
1 stop7h 04m
Delta
Tue 8/119:17 am
STL
- JFK
1 stop6h 12m
Delta
Deal found 5/26![Delta logo]()
$317
This United Airlines deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” 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 6/306:00 am
BDL
- STL
2 stops7h 11m
United Airlines
Tue 7/218:43 am
STL
- BDL
1 stop4h 23m
United Airlines
Deal found 5/24![United Airlines logo]()
$352
This Southwest deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” 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 6/238:55 am
LGA
- STL
1 stop6h 50m
Southwest
Tue 6/308:35 am
STL
- LGA
2 stops7h 25m
Southwest
Deal found 5/23![Southwest logo]()
$356
This Delta deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” 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 8/136:00 am
JFK
- STL
1 stop4h 54m
Delta
Tue 8/186:00 am
STL
- JFK
1 stop4h 59m
Delta
Deal found 5/24![Delta logo]()
$324
This Southwest deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” 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 6/3011:40 am
BDL
- STL
2 stops7h 45m
Southwest
Tue 7/215:40 am
STL
- BDL
2 stops7h 20m
Southwest
Deal found 5/24![Southwest logo]()
$357
This American Airlines deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” 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 7/17:22 pm
PVD
- STL
1 stop5h 37m
American Airlines
Sun 7/55:48 pm
STL
- PVD
1 stop4h 58m
American Airlines
Deal found 5/23![American Airlines logo]()
$399
This KAYAK deal was found by Cheapflights users on 5/26. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/246:00 am
JFK
- STL
1 stop4h 46m
Delta
Wed 6/243:57 pm
STL
- JFK
1 stop6h 07m
Delta
Deal found 5/26![Delta logo]()
$334
This United Airlines deal was found by Cheapflights users on 5/26. 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 7/2910:17 pm
EWR
- STL
Nonstop2h 27m
United Airlines
Mon 8/35:33 pm
STL
- EWR
1 stop6h 20m
United Airlines
Deal found 5/26![United Airlines logo]()
$376
This Southwest deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” 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 6/2010:45 am
LGA
- STL
Nonstop2h 30m
Southwest
Mon 6/223:35 pm
STL
- LGA
1 stop3h 45m
Southwest
Deal found 5/23![Southwest logo]()
$360
This KAYAK deal was found by Cheapflights users on 5/26. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/242:31 pm
LGA
- STL
1 stop5h 29m
American Airlines
Thu 6/255:08 am
STL
- LGA
1 stop5h 20m
American Airlines
Deal found 5/26![American Airlines logo]()
$405
This Delta deal was found by Cheapflights users on 5/27. 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.
Wed 8/57:10 am
JFK
- STL
1 stop7h 04m
Delta
Fri 8/72:10 pm
STL
- JFK
1 stop4h 59m
Delta
Deal found 5/27![Delta logo]()
$341
This United Airlines deal was found by Cheapflights users on 5/27. 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.
Thu 7/2310:17 pm
EWR
- STL
Nonstop2h 27m
United Airlines
Mon 7/276:01 am
STL
- EWR
Nonstop2h 29m
United Airlines
Deal found 5/27![United Airlines logo]()
$389
This Southwest deal was found by Cheapflights users on 5/26. 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.
Mon 6/153:00 pm
LGA
- STL
Nonstop3h 00m
Southwest
Wed 6/175:45 am
STL
- LGA
Nonstop2h 20m
Southwest
Deal found 5/26![Southwest logo]()
$365
This Delta deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” 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 8/2211:40 am
JFK
- STL
1 stop5h 37m
Delta
Sun 8/236:00 am
STL
- JFK
1 stop4h 59m
Delta
Deal found 5/25![Delta logo]()
$362
This Kiwi.com deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” 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 6/103:42 pm
HVN
- STL
1 stop9h 07m
Multiple Airlines
Tue 6/304:17 pm
STL
- HVN
1 stop21h 40m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$531
This United Airlines deal was found by Cheapflights users on 5/26. 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.
Thu 6/256:09 am
BDL
- STL
1 stop7h 02m
United Airlines
Mon 6/298:00 am
STL
- BDL
1 stop5h 24m
United Airlines
Deal found 5/26![United Airlines logo]()
$407
This Southwest deal was found by Cheapflights users on 5/27. 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.
Wed 6/108:55 am
LGA
- STL
1 stop6h 50m
Southwest
Sat 6/135:00 am
STL
- LGA
Nonstop2h 20m
Southwest
Deal found 5/27![Southwest logo]()
$371
This Southwest deal was found by Cheapflights users on 5/28. 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.
Thu 7/95:50 am
BDL
- STL
1 stop6h 00m
Southwest
Tue 7/145:40 am
STL
- BDL
1 stop4h 20m
Southwest
Deal found 5/28![Southwest logo]()
$371
This United Airlines deal was found by Cheapflights users on 5/26. 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.
Tue 7/217:59 am
EWR
- STL
1 stop5h 12m
United Airlines
Sun 7/266:01 am
STL
- EWR
Nonstop2h 29m
United Airlines
Deal found 5/26![United Airlines logo]()
$411
This Delta deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” 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 8/55:30 am
BDL
- STL
1 stop5h 07m
Delta
Sun 8/97:00 am
STL
- BDL
1 stop4h 48m
Delta
Deal found 5/25![Delta logo]()
$377
This United Airlines deal was found by Cheapflights users on 5/27. 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.
Mon 6/2210:07 pm
EWR
- STL
Nonstop2h 28m
United Airlines
Wed 6/246:00 am
STL
- EWR
Nonstop2h 29m
United Airlines
Deal found 5/27![United Airlines logo]()
$412
This Southwest deal was found by Cheapflights users on 5/26. 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.
Tue 7/72:35 pm
BDL
- STL
2 stops8h 55m
Southwest
Sun 7/126:45 pm
STL
- BDL
1 stop4h 35m
Southwest
Deal found 5/26![Southwest logo]()
$376
This Delta deal was found by Cheapflights users on 5/26. 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.
Fri 6/266:51 pm
LGA
- STL
Nonstop2h 55m
Delta
Mon 6/291:39 pm
STL
- LGA
1 stop6h 46m
Delta
Deal found 5/26![Delta logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 5/27. 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.
Sat 7/113:42 pm
HVN
- STL
1 stop9h 17m
Multiple Airlines
Sat 7/184:09 pm
STL
- HVN
1 stop26h 47m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$645
This Southwest deal was found by Cheapflights users on 5/26. 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 7/312:40 pm
BDL
- STL
1 stop4h 15m
Southwest
Tue 7/73:15 pm
STL
- BDL
2 stops6h 35m
Southwest
Deal found 5/26![Southwest logo]()
$376
Last-minute flights from Connecticut to St. LouisDiscover last-minute flight deals from Connecticut to St. Louis. Data last updated May 28, 2026 and is based on user searches.
Discover last-minute flight deals from Connecticut to St. Louis. Data last updated May 28, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 5/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/210:29 pm
EWR
- STL
1 stop11h 26m
Frontier
Wed 6/35:27 pm
STL
- EWR
1 stop6h 51m
Frontier
Deal found 5/26![Frontier logo]()
$266
This Frontier deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” 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 6/211:30 am
EWR
- STL
1 stop13h 27m
Frontier
Thu 6/186:31 pm
STL
- EWR
1 stop5h 34m
Frontier
Deal found 5/24![Frontier logo]()
$267
This Frontier deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” 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 6/1011:30 am
EWR
- STL
1 stop13h 19m
Frontier
Sat 6/275:06 pm
STL
- EWR
1 stop6h 59m
Frontier
Deal found 5/25![Frontier logo]()
$253
This Frontier deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” 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 6/1011:30 am
EWR
- STL
1 stop13h 19m
Frontier
Thu 7/96:34 pm
STL
- EWR
1 stop5h 29m
Frontier
Deal found 5/25![Frontier logo]()
$258
This Booking.com deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” 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 6/1512:38 pm
BDL
- STL
1 stop12h 11m
Frontier
Tue 6/234:17 pm
STL
- BDL
1 stop18h 52m
Frontier
Deal found 5/25![Frontier logo]()
$261
This Frontier deal was found by Cheapflights users on 5/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/185:58 am
EWR
- STL
1 stop12h 32m
Frontier
Tue 6/236:31 pm
STL
- EWR
1 stop5h 34m
Frontier
Deal found 5/26![Frontier logo]()
$249
This Frontier deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” 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 6/1910:29 pm
EWR
- STL
1 stop11h 23m
Frontier
Wed 6/245:06 pm
STL
- EWR
1 stop6h 59m
Frontier
Deal found 5/25![Frontier logo]()
$250
This Frontier deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” 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 6/1910:29 pm
EWR
- STL
1 stop11h 23m
Frontier
Mon 6/295:06 pm
STL
- EWR
1 stop6h 59m
Frontier
Deal found 5/24![Frontier logo]()
$260
This Frontier deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” 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 6/2011:30 am
EWR
- STL
1 stop13h 19m
Frontier
Tue 6/236:31 pm
STL
- EWR
1 stop5h 34m
Frontier
Deal found 5/24![Frontier logo]()
$248
This Frontier deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” 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.
Mon 6/2212:38 pm
BDL
- STL
1 stop12h 11m
Frontier
Tue 6/304:17 pm
STL
- BDL
1 stop18h 52m
Frontier
Deal found 5/25![Frontier logo]()
$249
This Expedia deal was found by Cheapflights users on 5/26. 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 6/2310:29 pm
EWR
- STL
1 stop11h 23m
Frontier
Fri 7/35:06 pm
STL
- EWR
1 stop6h 59m
Frontier
Deal found 5/26![Frontier logo]()
$240
This Frontier deal was found by Cheapflights users on 5/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/3010:29 pm
EWR
- STL
1 stop11h 23m
Frontier
Sat 7/45:06 pm
STL
- EWR
1 stop6h 59m
Frontier
Deal found 5/26![Frontier logo]()
$244
One-way flights from Connecticut to St. LouisSearch for one-way flight options from Connecticut to St. Louis. Find affordable one-way fares based on user searches. Data last updated May 28, 2026.
Search for one-way flight options from Connecticut to St. Louis. Find affordable one-way fares based on user searches. Data last updated May 28, 2026.
This Trip.com deal was found by Cheapflights users on 5/27. 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.
Tue 6/3010:29 pm
EWR
- STL
1 stop11h 23m
Frontier
Deal found 5/27![Frontier logo]()
$111
This Super.com deal was found by Cheapflights users on 5/26. 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.
Tue 6/1610:29 pm
EWR
- STL
1 stop11h 23m
Frontier
Deal found 5/26![Frontier logo]()
$118
This Frontier deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” 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 6/1712:54 pm
BDL
- STL
1 stop11h 55m
Frontier
Deal found 5/25![Frontier logo]()
$121
This Frontier deal was found by Cheapflights users on 5/28. 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.
Tue 7/710:29 pm
EWR
- STL
1 stop11h 28m
Frontier
Deal found 5/28![Frontier logo]()
$121
This Trip.com deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” 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.
Tue 7/215:55 am
EWR
- STL
1 stop12h 42m
Frontier
Deal found 5/24![Frontier logo]()
$125
This CheapOair deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/811:30 am
EWR
- STL
1 stop13h 29m
Frontier
Deal found 5/25![Frontier logo]()
$126
This Trip.com deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” 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.
Tue 8/255:55 am
EWR
- STL
1 stop12h 35m
Frontier
Deal found 5/24![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 5/28. 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.
Tue 8/410:29 pm
EWR
- STL
1 stop11h 28m
Frontier
Deal found 5/28![Frontier logo]()
$129
This Trip.com deal was found by Cheapflights users on 5/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1111:30 am
EWR
- STL
1 stop13h 29m
Frontier
Deal found 5/26![Frontier logo]()
$130
This Frontier deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” 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.
Sun 7/2610:29 pm
EWR
- STL
1 stop11h 28m
Frontier
Deal found 5/25![Frontier logo]()
$131
This Orbitz deal was found by Cheapflights users on 5/27. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/312:27 pm
BDL
- STL
1 stop12h 32m
Frontier
Deal found 5/27![Frontier logo]()
$140
This Frontier deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” 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 6/1012:39 pm
BDL
- STL
1 stop12h 10m
Frontier
Deal found 5/23![Frontier logo]()
$141
Find flight deals from Connecticut to St. Louis
Keep the following information in mind while searching for Connecticut to St. Louis flight deals. Data was last updated May 28, 2026.
Round-trip from | $237 (Super.com) |
|---|---|
One-way from | $111 (Trip.com) |
Popular in | April |
Cheapest in | August |
Average price | $478 |
Cheapflights Fare Finder
Customize your flight search to find flights from Connecticut to St. Louis 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 28, 2026.
Use the filters below to find and compare flights from Connecticut to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
New YorkSt. Louis
LGA - STL
LGASTL
New York LaGuardia
Thu 8/13
6:00 am-10:23 am
1 stop5h 23m
Lambert-St Louis
Tue 8/18
6:05 am-9:38 am
Nonstop2h 33m
$314
New YorkSt. Louis
JFK - STL
JFKSTL
New York John F Kennedy Intl
Thu 8/6
7:10 am-1:14 pm
1 stop7h 04m
Lambert-St Louis
Tue 8/11
9:17 am-4:29 pm
1 stop6h 12m
$317
New YorkSt. Louis
JFK - STL
JFKSTL
New York John F Kennedy Intl
Thu 8/13
6:00 am-9:54 am
1 stop4h 54m
Lambert-St Louis
Tue 8/18
6:00 am-11:59 am
1 stop4h 59m
$324
Quickest round-trip
NewarkSt. Louis
EWR - STL
EWRSTL
Newark
Fri 7/10
10:17 pm-11:44 pm
Nonstop2h 27m
Lambert-St Louis
Tue 7/14
6:01 am-9:30 am
Nonstop2h 29m
$331
New YorkSt. Louis
JFK - STL
JFKSTL
New York John F Kennedy Intl
Wed 6/24
6:00 am-9:46 am
1 stop4h 46m
Lambert-St Louis
Wed 6/24
3:57 pm-11:04 pm
1 stop6h 07m
$334
HartfordSt. Louis
BDL - STL
BDLSTL
Hartford Bradley Intl
Tue 7/14
2:35 pm-7:15 pm
1 stop5h 40m
Lambert-St Louis
Wed 7/22
5:40 am-2:00 pm
2 stops7h 20m
$340
New YorkSt. Louis
JFK - STL
JFKSTL
New York John F Kennedy Intl
Wed 8/5
7:10 am-1:14 pm
1 stop7h 04m
Lambert-St Louis
Fri 8/7
2:10 pm-8:09 pm
1 stop4h 59m
$341
HartfordSt. Louis
BDL - STL
BDLSTL
Hartford Bradley Intl
Tue 6/30
6:00 am-12:11 pm
2 stops7h 11m
Lambert-St Louis
Tue 7/21
8:43 am-2:06 pm
1 stop4h 23m
$352
New YorkSt. Louis
LGA - STL
LGASTL
New York LaGuardia
Tue 6/23
8:55 am-2:45 pm
1 stop6h 50m
Lambert-St Louis
Tue 6/30
8:35 am-5:00 pm
2 stops7h 25m
$356
HartfordSt. Louis
BDL - STL
BDLSTL
Hartford Bradley Intl
Tue 6/30
11:40 am-6:25 pm
2 stops7h 45m
Lambert-St Louis
Tue 7/21
5:40 am-2:00 pm
2 stops7h 20m
$357
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Connecticut to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Connecticut with our price prediction graph.
LGA-STL
EWR-STL
BDL-STL
JFK-STL
HVN-STL
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 Connecticut to St. Louis
USCT-STL
LGA-STL
EWR-STL
BDL-STL
JFK-STL
What is the cheapest month to book a flight from Connecticut to St. Louis?
Currently, August is the cheapest month in which you can book a flight from Connecticut to St. Louis (average of $74). Flying from Connecticut to St. Louis in June is currently the most expensive (average of $296). 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.
How much does it cost to fly round-trip from Connecticut to St. Louis?
How far ahead should I book a flight from Connecticut to St. Louis?
The price you pay for your flight from Connecticut to St. Louis may vary depending on when you book. For the best chance of a lower fare, look to book 34 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Related info for your journey
Find useful and relevant information for your journey from Connecticut to St. Louis. 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 St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsEdwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Connecticut to St. Louis
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to St. Louis by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Connecticut to St. Louis by cabin class
Find flights from Connecticut to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Connecticut and St. Louis flights
Browse other Connecticut and St. Louis flight options. Last updated on May 28, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to St. Louis
Explore flights to St. Louis departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 28, 2026.
Connecticut to St. Louis flights
Consider these flights traveling from Connecticut to St. Louis.
Top 4 airlines flying from Connecticut to St. Louis
Discover the top 4 airlines that operate flights from Connecticut to St. Louis. 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 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$242 | Average$496 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$246 | Average$375 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$246 | Average$391 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$274 | Average$419 | FlexibilityNo cancel fee | On-time63% |