$115+ 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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — STL
Aug 23 — Aug 301
Round-trip
1 adult, Economy
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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 July 24, 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 July 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Tue 8/116:29 am
LGA
- STL
1 stop12h 08m
Frontier
Sun 8/166:34 pm
STL
- LGA
1 stop25h 10m
Frontier
Deal found 7/23![Frontier logo]()
$299
This CheapOair deal was found by Cheapflights users on 7/23. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/98:29 pm
LGA
- STL
1 stop24h 10m
Frontier
Sun 10/1110:35 am
STL
- LGA
1 stop9h 20m
Frontier
Deal found 7/23![Frontier logo]()
$302
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:10 am
LGA
- STL
Nonstop2h 40m
Southwest
Thu 8/208:30 am
STL
- LGA
1 stop6h 20m
Southwest
Deal found 7/22![Southwest logo]()
$303
This American Airlines deal was found by Cheapflights users on 7/23. 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.
Tue 8/252:59 pm
JFK
- STL
1 stop10h 15m
American Airlines
Wed 8/269:32 am
STL
- JFK
1 stop9h 29m
American Airlines
Deal found 7/23![American Airlines logo]()
$303
This Delta deal was found by Cheapflights users on 7/23. 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 8/136:30 am
LGA
- STL
Nonstop2h 38m
Delta
Mon 8/172:10 pm
STL
- LGA
1 stop4h 37m
Delta
Deal found 7/23![Delta logo]()
$304
This Frontier deal was found by Cheapflights users on 7/23. 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.
Thu 7/3010:00 pm
LGA
- STL
1 stop11h 57m
Frontier
Tue 9/2910:35 am
STL
- LGA
1 stop11h 40m
Frontier
Deal found 7/23![Frontier logo]()
$305
This CheapOair deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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.
Fri 10/168:29 pm
LGA
- STL
1 stop24h 10m
Frontier
Tue 10/2010:35 am
STL
- LGA
1 stop11h 40m
Frontier
Deal found 7/22![Frontier logo]()
$306
This Frontier deal was found by Cheapflights users on 7/23. 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.
Thu 7/3010:00 pm
LGA
- STL
1 stop11h 57m
Frontier
Mon 9/2810:35 am
STL
- LGA
1 stop6h 00m
Frontier
Deal found 7/23![Frontier logo]()
$307
This Southwest deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 8/227:00 am
LGA
- STL
2 stops9h 25m
Southwest
Mon 8/243:35 pm
STL
- LGA
Nonstop2h 20m
Southwest
Deal found 7/21![Southwest logo]()
$308
This American Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 9/12:59 pm
JFK
- STL
1 stop10h 15m
American Airlines
Wed 9/26:00 am
STL
- JFK
1 stop7h 55m
American Airlines
Deal found 7/22![American Airlines logo]()
$308
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 8/1410:00 pm
LGA
- STL
1 stop11h 57m
Frontier
Sun 8/166:34 pm
STL
- LGA
1 stop20h 40m
Frontier
Deal found 7/22![Frontier logo]()
$309
This Frontier deal was found by Cheapflights users on 7/23. 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.
Thu 7/3010:00 pm
LGA
- STL
1 stop11h 57m
Frontier
Sun 9/2710:35 am
STL
- LGA
1 stop6h 00m
Frontier
Deal found 7/23![Frontier logo]()
$311
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 July 24, 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 July 24, 2026.
This Southwest deal was found by Cheapflights users on 7/23. 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.
Fri 9/1112:30 pm
LGA
- STL
1 stop8h 40m
Southwest
Tue 9/1511:00 am
STL
- LGA
Nonstop2h 20m
Southwest
Deal found 7/23![Southwest logo]()
$308
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 8/128:05 am
LGA
- STL
1 stop4h 57m
United Airlines
Thu 8/209:30 am
STL
- LGA
1 stop5h 49m
United Airlines
Deal found 7/21![United Airlines logo]()
$313
This Delta deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 9/108:35 am
JFK
- STL
1 stop4h 57m
Delta
Sat 9/123:54 pm
STL
- JFK
1 stop5h 08m
Delta
Deal found 7/22![Delta logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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 9/38:36 pm
HVN
- STL
1 stop19h 52m
Multiple Airlines
Mon 9/76:17 pm
STL
- HVN
2 stops18h 45m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$363
This American Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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 8/182:58 pm
PVD
- STL
2 stops8h 57m
American Airlines
Sat 8/225:42 pm
STL
- PVD
1 stop5h 07m
American Airlines
Deal found 7/19![American Airlines logo]()
$380
This Southwest deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 8/227:00 am
LGA
- STL
2 stops9h 25m
Southwest
Mon 8/318:30 am
STL
- LGA
1 stop6h 20m
Southwest
Deal found 7/21![Southwest logo]()
$318
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 11/1212:25 pm
JFK
- STL
1 stop6h 36m
Delta
Mon 11/164:13 pm
STL
- JFK
Nonstop2h 39m
Delta
Deal found 7/20![Delta logo]()
$331
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/277:17 am
EWR
- STL
1 stop5h 58m
United Airlines
Thu 10/17:30 am
STL
- EWR
Nonstop2h 30m
United Airlines
Deal found 7/21![United Airlines logo]()
$351
This Southwest deal was found by Cheapflights users on 7/23. 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 10/612:55 pm
BDL
- STL
2 stops8h 05m
Southwest
Wed 10/78:30 am
STL
- BDL
2 stops8h 15m
Southwest
Deal found 7/23![Southwest logo]()
$327
This Delta deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 9/305:40 am
PVD
- STL
1 stop4h 49m
Delta
Sat 10/104:10 pm
STL
- PVD
1 stop6h 29m
Delta
Deal found 7/21![Delta logo]()
$343
This Southwest deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1512:35 pm
PVD
- STL
1 stop5h 35m
Southwest
Mon 10/191:00 pm
STL
- PVD
1 stop6h 45m
Southwest
Deal found 7/21![Southwest logo]()
$333
This Delta deal was found by Cheapflights users on 7/23. 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.
Fri 10/166:25 pm
LGA
- STL
Nonstop2h 50m
Delta
Tue 10/2010:00 am
STL
- LGA
Nonstop2h 22m
Delta
Deal found 7/23![Delta logo]()
$346
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 9/22:18 pm
EWR
- STL
Nonstop2h 48m
United Airlines
Wed 9/98:00 am
STL
- EWR
1 stop6h 37m
United Airlines
Deal found 7/21![United Airlines logo]()
$383
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 8/83:42 pm
HVN
- STL
1 stop9h 17m
Multiple Airlines
Sun 8/96:34 pm
STL
- HVN
2 stops22h 41m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$423
This Southwest deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:30 am
LGA
- STL
1 stop7h 45m
Southwest
Mon 8/248:30 am
STL
- LGA
1 stop7h 25m
Southwest
Deal found 7/19![Southwest logo]()
$341
This Kiwi.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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 8/182:47 pm
HVN
- STL
2 stops28h 03m
Multiple Airlines
Mon 8/244:23 pm
STL
- HVN
1 stop20h 39m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$434
This Delta deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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 10/108:20 am
BDL
- STL
1 stop6h 00m
Delta
Tue 10/136:00 pm
STL
- BDL
1 stop4h 18m
Delta
Deal found 7/19![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 9/284:55 pm
EWR
- STL
1 stop5h 26m
United Airlines
Thu 10/17:30 am
STL
- EWR
Nonstop2h 30m
United Airlines
Deal found 7/22![United Airlines logo]()
$395
This Southwest deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 8/202:35 pm
LGA
- STL
Nonstop2h 45m
Southwest
Fri 8/213:35 pm
STL
- LGA
Nonstop2h 20m
Southwest
Deal found 7/21![Southwest logo]()
$341
This Delta deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:00 am
LGA
- STL
1 stop4h 36m
Delta
Fri 11/277:20 am
STL
- LGA
1 stop7h 20m
Delta
Deal found 7/19![Delta logo]()
$361
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 8/53:42 pm
HVN
- STL
1 stop9h 17m
Multiple Airlines
Sun 8/96:34 pm
STL
- HVN
2 stops22h 41m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$437
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 8/202:18 pm
EWR
- STL
Nonstop2h 48m
United Airlines
Sat 8/227:00 am
STL
- EWR
Nonstop2h 31m
United Airlines
Deal found 7/22![United Airlines logo]()
$415
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1912:05 pm
LGA
- STL
Nonstop2h 40m
Southwest
Sun 8/235:45 am
STL
- LGA
Nonstop2h 20m
Southwest
Deal found 7/22![Southwest logo]()
$346
This Delta deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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 9/46:00 am
JFK
- STL
1 stop6h 46m
Delta
Sun 9/63:44 pm
STL
- JFK
1 stop5h 13m
Delta
Deal found 7/19![Delta logo]()
$361
This Southwest deal was found by Cheapflights users on 7/23. 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.
Fri 10/306:45 pm
LGA
- STL
Nonstop2h 40m
Southwest
Sun 11/12:35 pm
STL
- LGA
Nonstop2h 20m
Southwest
Deal found 7/23![Southwest logo]()
$351
This United Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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 8/219:59 pm
EWR
- STL
Nonstop2h 39m
United Airlines
Mon 8/2412:27 pm
STL
- EWR
Nonstop2h 32m
United Airlines
Deal found 7/19![United Airlines logo]()
$435
This Delta deal was found by Cheapflights users on 7/23. 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.
Fri 9/47:00 pm
JFK
- STL
1 stop5h 58m
Delta
Tue 9/83:40 pm
STL
- JFK
1 stop5h 22m
Delta
Deal found 7/23![Delta logo]()
$366
This Southwest deal was found by Cheapflights users on 7/23. 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.
Mon 11/167:40 am
BDL
- STL
1 stop6h 00m
Southwest
Sat 11/215:20 am
STL
- BDL
1 stop5h 40m
Southwest
Deal found 7/23![Southwest logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 8/68:36 pm
HVN
- STL
1 stop28h 23m
Multiple Airlines
Mon 8/104:09 pm
STL
- HVN
1 stop20h 53m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$521
This United Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 12/299:30 pm
EWR
- STL
Nonstop2h 52m
United Airlines
Wed 12/306:30 am
STL
- EWR
Nonstop2h 24m
United Airlines
Deal found 7/20![United Airlines logo]()
$446
Last-minute flights from Connecticut to St. LouisDiscover last-minute flight deals from Connecticut to St. Louis. Data last updated July 24, 2026 and is based on user searches.
Discover last-minute flight deals from Connecticut to St. Louis. Data last updated July 24, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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.
Thu 8/610:00 pm
LGA
- STL
1 stop11h 57m
Frontier
Tue 8/114:09 pm
STL
- LGA
1 stop24h 36m
Frontier
Deal found 7/22![Frontier logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 8/96:29 am
LGA
- STL
1 stop27h 28m
Frontier
Mon 8/104:57 pm
STL
- LGA
1 stop22h 17m
Frontier
Deal found 7/20![Frontier logo]()
$312
This Delta deal was found by Cheapflights users on 7/23. 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 8/136:30 am
LGA
- STL
Nonstop2h 38m
Delta
Mon 8/172:10 pm
STL
- LGA
1 stop4h 37m
Delta
Deal found 7/23![Delta logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 8/131:00 pm
JFK
- STL
1 stop20h 57m
Frontier
Fri 8/216:17 pm
STL
- JFK
1 stop16h 37m
Frontier
Deal found 7/20![Frontier logo]()
$312
This Delta deal was found by Cheapflights users on 7/23. 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 stop4h 54m
Delta
Sat 8/153:29 pm
STL
- LGA
1 stop7h 14m
Delta
Deal found 7/23![Delta logo]()
$313
This Delta deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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
Mon 8/173:39 pm
STL
- JFK
1 stop5h 18m
Delta
Deal found 7/22![Delta logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 8/1410:00 pm
LGA
- STL
1 stop11h 57m
Frontier
Sun 8/166:34 pm
STL
- LGA
1 stop20h 40m
Frontier
Deal found 7/22![Frontier logo]()
$309
This American Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 8/187:08 pm
PVD
- STL
1 stop14h 16m
American Airlines
Tue 8/256:00 am
STL
- PVD
1 stop11h 34m
American Airlines
Deal found 7/21![American Airlines logo]()
$311
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:10 am
LGA
- STL
Nonstop2h 40m
Southwest
Thu 8/208:30 am
STL
- LGA
1 stop6h 20m
Southwest
Deal found 7/22![Southwest logo]()
$303
This CheapOair deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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.
Thu 8/206:18 am
LGA
- STL
1 stop12h 04m
Frontier
Mon 8/244:23 pm
STL
- LGA
1 stop24h 22m
Frontier
Deal found 7/20![Frontier logo]()
$310
This Southwest deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 8/227:00 am
LGA
- STL
2 stops9h 25m
Southwest
Mon 8/243:35 pm
STL
- LGA
Nonstop2h 20m
Southwest
Deal found 7/21![Southwest logo]()
$308
This American Airlines deal was found by Cheapflights users on 7/23. 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.
Tue 8/252:59 pm
JFK
- STL
1 stop10h 15m
American Airlines
Wed 8/269:32 am
STL
- JFK
1 stop9h 29m
American Airlines
Deal found 7/23![American Airlines logo]()
$303
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 July 24, 2026.
Search for one-way flight options from Connecticut to St. Louis. Find affordable one-way fares based on user searches. Data last updated July 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 8/1110:29 pm
EWR
- STL
1 stop11h 28m
Frontier
Deal found 7/22![Frontier logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 8/1210:29 pm
EWR
- STL
1 stop20h 08m
Frontier
Deal found 7/21![Frontier logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 8/1910:29 pm
EWR
- STL
1 stop19h 53m
Frontier
Deal found 7/20![Frontier logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 9/126:05 am
BDL
- STL
2 stops28h 35m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$125
This Trip.com deal was found by Cheapflights users on 7/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/215:55 am
EWR
- STL
1 stop12h 27m
Frontier
Deal found 7/23![Frontier logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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 9/108:00 am
PVD
- STL
3 stops26h 40m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 9/210:29 pm
EWR
- STL
1 stop19h 53m
Frontier
Deal found 7/23![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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 8/2912:27 pm
BDL
- STL
2 stops29h 55m
Frontier
Deal found 7/19![Frontier logo]()
$127
This Trip.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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.
Sun 9/65:55 am
EWR
- STL
1 stop12h 27m
Frontier
Deal found 7/19![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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 8/307:00 am
BDL
- STL
2 stops11h 22m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$128
This Trip.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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.
Thu 8/205:55 am
EWR
- STL
1 stop12h 27m
Frontier
Deal found 7/19![Frontier logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 8/237:00 am
BDL
- STL
2 stops11h 22m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$130
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 July 24, 2026.
Round-trip from | $300 (Kiwi.com) |
|---|---|
One-way from | $115 (Kiwi.com) |
Popular in | July |
Cheapest in | August |
Average price | $508 |
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 July 24, 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
Fri 9/11
12:30 pm-8:10 pm
1 stop8h 40m
Lambert-St Louis
Tue 9/15
11:00 am-2:20 pm
Nonstop2h 20m
$308
New YorkSt. Louis
LGA - STL
LGASTL
New York LaGuardia
Wed 8/12
8:05 am-12:02 pm
1 stop4h 57m
Lambert-St Louis
Thu 8/20
9:30 am-4:19 pm
1 stop5h 49m
$313
New YorkSt. Louis
JFK - STL
JFKSTL
New York John F Kennedy Intl
Thu 9/10
8:35 am-12:32 pm
1 stop4h 57m
Lambert-St Louis
Sat 9/12
3:54 pm-10:02 pm
1 stop5h 08m
$313
New YorkSt. Louis
LGA - STL
LGASTL
New York LaGuardia
Sat 8/22
7:00 am-3:25 pm
2 stops9h 25m
Lambert-St Louis
Mon 8/31
8:30 am-3:50 pm
1 stop6h 20m
$318
HartfordSt. Louis
BDL - STL
BDLSTL
Hartford Bradley Intl
Tue 10/6
12:55 pm-8:00 pm
2 stops8h 05m
Lambert-St Louis
Wed 10/7
8:30 am-5:45 pm
2 stops8h 15m
$327
New YorkSt. Louis
JFK - STL
JFKSTL
New York John F Kennedy Intl
Thu 11/12
12:25 pm-6:01 pm
1 stop6h 36m
Lambert-St Louis
Mon 11/16
4:13 pm-7:52 pm
Nonstop2h 39m
$331
ProvidenceSt. Louis
PVD - STL
PVDSTL
Providence-TFGreen
Thu 10/15
12:35 pm-5:10 pm
1 stop5h 35m
Lambert-St Louis
Mon 10/19
1:00 pm-8:45 pm
1 stop6h 45m
$333
New YorkSt. Louis
LGA - STL
LGASTL
New York LaGuardia
Mon 8/17
6:30 am-1:15 pm
1 stop7h 45m
Lambert-St Louis
Mon 8/24
8:30 am-4:55 pm
1 stop7h 25m
$341
New YorkSt. Louis
LGA - STL
LGASTL
New York LaGuardia
Thu 8/20
2:35 pm-4:20 pm
Nonstop2h 45m
Lambert-St Louis
Fri 8/21
3:35 pm-6:55 pm
Nonstop2h 20m
$341
ProvidenceSt. Louis
PVD - STL
PVDSTL
Providence-TFGreen
Wed 9/30
5:40 am-9:29 am
1 stop4h 49m
Lambert-St Louis
Sat 10/10
4:10 pm-11:39 pm
1 stop6h 29m
$343
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
JFK-STL
PVD-STL
HVN-STL
EWR-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
JFK-STL
PVD-STL
HVN-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 $341). Flying from Connecticut to St. Louis in July is currently the most expensive (average of $508). 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?
Airfare is below average for this route at the moment.
Connecticut to St. Louis flights typically cost between $340 and $538 in August.The cheapest round-trip price found within the last 5 days was $317 on American Airlines (Aug 15-Aug 19).
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 69 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
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
Farmington
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Alternative routes for Connecticut to St. Louis
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Complete your trip
Complete your trip to St. Louis by adding a car rental and/or hotel reservation to your travel itinerary.
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Connecticut and St. Louis flights
Browse other Connecticut and St. Louis flight options. Last updated on July 24, 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 July 24, 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 July 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$242 | Average$496 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$246 | Average$402 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$246 | Average$404 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$283 | Average$432 | FlexibilityNo cancel fee | On-time63% |