$71+ 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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — STL
Apr 23 — Apr 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 March 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 March 24, 2026.
This CheapOair deal was found by Cheapflights users on 3/20. 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.
Mon 5/185:44 pm
BDL
- STL
1 stop7h 37m
Frontier
Thu 5/214:19 pm
STL
- BDL
1 stop23h 26m
Frontier
Deal found 3/20![Frontier logo]()
$216
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 4/303:50 pm
BDL
- STL
1 stop16h 00m
Multiple Airlines
Tue 5/56:41 pm
STL
- BDL
2 stops23h 11m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$234
This Priceline deal was found by Cheapflights users on 3/20. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/208:08 pm
BDL
- STL
1 stop11h 54m
Frontier
Fri 3/277:47 am
STL
- BDL
1 stop10h 26m
Frontier
Deal found 3/20![Frontier logo]()
$240
This Expedia deal was found by Cheapflights users on 3/23. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/99:21 pm
BDL
- STL
1 stop11h 30m
Frontier
Mon 4/138:41 am
STL
- BDL
1 stop11h 27m
Frontier
Deal found 3/23![Frontier logo]()
$246
This CheapOair deal was found by Cheapflights users on 3/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/298:08 pm
BDL
- STL
1 stop11h 54m
Frontier
Wed 4/294:59 pm
STL
- BDL
1 stop18h 44m
Frontier
Deal found 3/19![Frontier logo]()
$261
This Southwest deal was found by Cheapflights users on 3/22. 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.
Tue 4/214:05 pm
BDL
- STL
1 stop6h 00m
Southwest
Tue 4/2810:25 am
STL
- BDL
1 stop4h 35m
Southwest
Deal found 3/22![Southwest logo]()
$264
This Southwest deal was found by Cheapflights users on 3/22. 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 6/312:50 pm
BDL
- STL
2 stops8h 10m
Southwest
Tue 6/95:40 am
STL
- BDL
2 stops7h 20m
Southwest
Deal found 3/22![Southwest logo]()
$275
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 4/303:29 pm
LGA
- STL
1 stop8h 50m
Multiple Airlines
Wed 5/65:27 pm
STL
- LGA
2 stops21h 34m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 4/233:50 pm
BDL
- STL
1 stop16h 00m
Multiple Airlines
Mon 4/278:23 pm
STL
- BDL
2 stops44h 00m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$290
This Priceline deal was found by Cheapflights users on 3/22. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/51:00 pm
JFK
- STL
1 stop11h 25m
Frontier
Thu 4/96:29 pm
STL
- JFK
1 stop5h 51m
Frontier
Deal found 3/22![Frontier logo]()
$290
This Southwest deal was found by Cheapflights users on 3/22. 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.
Fri 4/2412:00 pm
LGA
- STL
Nonstop2h 50m
Southwest
Tue 4/283:30 pm
STL
- LGA
Nonstop2h 25m
Southwest
Deal found 3/22![Southwest logo]()
$291
This Southwest deal was found by Cheapflights users on 3/23. 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 5/235:50 am
BDL
- STL
1 stop5h 10m
Southwest
Wed 6/31:45 pm
STL
- BDL
1 stop6h 20m
Southwest
Deal found 3/23![Southwest logo]()
$291
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 March 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 March 24, 2026.
This Southwest deal was found by Cheapflights users on 3/21. 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.
Wed 4/2212:00 pm
LGA
- STL
Nonstop2h 50m
Southwest
Sat 4/256:00 am
STL
- LGA
Nonstop2h 20m
Southwest
Deal found 3/21![Southwest logo]()
$294
This Delta deal was found by Cheapflights users on 3/19. 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.
Wed 5/65:59 pm
LGA
- STL
Nonstop2h 54m
Delta
Fri 6/195:00 pm
STL
- LGA
Nonstop2h 33m
Delta
Deal found 3/19![Delta logo]()
$295
This United Airlines deal was found by Cheapflights users on 3/22. 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.
Wed 4/159:00 am
EWR
- STL
Nonstop2h 56m
United Airlines
Mon 4/206:15 am
STL
- EWR
Nonstop2h 36m
United Airlines
Deal found 3/22![United Airlines logo]()
$369
This Trip.com deal was found by Cheapflights users on 3/23. 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.
Mon 4/207:00 am
HVN
- STL
2 stops41h 19m
Multiple Airlines
Sat 4/258:17 pm
STL
- HVN
2 stops16h 23m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$410
This Southwest deal was found by Cheapflights users on 3/18. 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.
Fri 5/16:35 pm
LGA
- STL
Nonstop2h 55m
Southwest
Tue 5/53:30 pm
STL
- LGA
Nonstop2h 25m
Southwest
Deal found 3/18![Southwest logo]()
$295
This Delta deal was found by Cheapflights users on 3/19. 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 5/15:30 pm
LGA
- STL
Nonstop2h 56m
Delta
Wed 5/612:45 pm
STL
- LGA
Nonstop2h 30m
Delta
Deal found 3/19![Delta logo]()
$295
This Southwest deal was found by Cheapflights users on 3/19. 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.
Fri 4/246:35 pm
LGA
- STL
Nonstop2h 55m
Southwest
Mon 4/273:30 pm
STL
- LGA
Nonstop2h 25m
Southwest
Deal found 3/19![Southwest logo]()
$316
This Delta deal was found by Cheapflights users on 3/18. 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.
Mon 5/116:30 am
LGA
- STL
Nonstop2h 43m
Delta
Wed 5/2010:19 am
STL
- LGA
1 stop4h 39m
Delta
Deal found 3/18![Delta logo]()
$324
This Southwest deal was found by Cheapflights users on 3/22. 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.
Sat 4/186:00 am
LGA
- STL
Nonstop2h 45m
Southwest
Mon 4/205:50 am
STL
- LGA
Nonstop2h 20m
Southwest
Deal found 3/22![Southwest logo]()
$316
This United Airlines deal was found by Cheapflights users on 3/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/239:59 pm
EWR
- STL
Nonstop2h 58m
United Airlines
Mon 4/276:15 am
STL
- EWR
Nonstop2h 36m
United Airlines
Deal found 3/23![United Airlines logo]()
$384
This Delta deal was found by Cheapflights users on 3/18. 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.
Mon 5/116:30 am
LGA
- STL
Nonstop2h 43m
Delta
Mon 5/186:15 pm
STL
- LGA
1 stop4h 10m
Delta
Deal found 3/18![Delta logo]()
$326
This Southwest deal was found by Cheapflights users on 3/18. 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 7/156:30 am
LGA
- STL
Nonstop2h 35m
Southwest
Tue 7/215:45 am
STL
- LGA
Nonstop2h 20m
Southwest
Deal found 3/18![Southwest logo]()
$317
This United Airlines deal was found by Cheapflights users on 3/19. 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.
Sat 6/64:57 pm
PVD
- STL
1 stop5h 19m
United Airlines
Mon 6/81:13 pm
STL
- PVD
2 stops9h 43m
United Airlines
Deal found 3/19![United Airlines logo]()
$393
This Delta deal was found by Cheapflights users on 3/19. 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 4/206:35 pm
JFK
- STL
1 stop6h 01m
Delta
Sat 4/256:48 am
STL
- JFK
1 stop4h 03m
Delta
Deal found 3/19![Delta logo]()
$335
This Southwest deal was found by Cheapflights users on 3/23. 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 5/17:20 pm
BDL
- STL
1 stop4h 25m
Southwest
Tue 5/57:35 am
STL
- BDL
1 stop6h 50m
Southwest
Deal found 3/23![Southwest logo]()
$318
This United Airlines deal was found by Cheapflights users on 3/22. 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.
Wed 5/69:59 pm
EWR
- STL
Nonstop2h 58m
United Airlines
Sat 5/96:15 am
STL
- EWR
Nonstop2h 34m
United Airlines
Deal found 3/22![United Airlines logo]()
$397
This Delta deal was found by Cheapflights users on 3/20. 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 5/143:10 pm
JFK
- STL
Nonstop2h 55m
Delta
Mon 5/187:01 pm
STL
- JFK
1 stop5h 05m
Delta
Deal found 3/20![Delta logo]()
$346
This United Airlines deal was found by Cheapflights users on 3/20. 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.
Sun 4/199:00 am
EWR
- STL
Nonstop2h 56m
United Airlines
Tue 4/216:15 am
STL
- EWR
Nonstop2h 36m
United Airlines
Deal found 3/20![United Airlines logo]()
$397
This Delta deal was found by Cheapflights users on 3/18. 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.
Wed 4/812:59 pm
JFK
- STL
1 stop4h 33m
Delta
Sun 4/126:32 am
STL
- JFK
1 stop4h 18m
Delta
Deal found 3/18![Delta logo]()
$352
This Southwest deal was found by Cheapflights users on 3/19. 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.
Thu 4/307:05 pm
PVD
- STL
1 stop4h 40m
Southwest
Tue 5/53:55 pm
STL
- PVD
1 stop4h 15m
Southwest
Deal found 3/19![Southwest logo]()
$361
This United Airlines deal was found by Cheapflights users on 3/20. 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.
Mon 6/1510:07 pm
EWR
- STL
Nonstop2h 28m
United Airlines
Tue 6/166:00 am
STL
- EWR
1 stop5h 11m
United Airlines
Deal found 3/20![United Airlines logo]()
$407
This Kiwi.com deal was found by Cheapflights users on 3/20. 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.
Fri 4/1012:07 pm
HVN
- STL
2 stops12h 51m
Multiple Airlines
Mon 4/134:59 pm
STL
- HVN
1 stop20h 02m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$630
This Delta deal was found by Cheapflights users on 3/19. 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 4/184:59 pm
EWR
- STL
1 stop4h 45m
Delta
Sat 4/257:25 am
STL
- EWR
1 stop5h 59m
Delta
Deal found 3/19![Delta logo]()
$356
This United Airlines deal was found by Cheapflights users on 3/21. 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.
Sat 4/257:40 am
EWR
- STL
1 stop5h 42m
United Airlines
Mon 4/276:15 am
STL
- EWR
Nonstop2h 36m
United Airlines
Deal found 3/21![United Airlines logo]()
$409
This Southwest deal was found by Cheapflights users on 3/19. 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.
Sat 6/611:30 am
BDL
- STL
2 stops7h 25m
Southwest
Mon 6/84:35 pm
STL
- BDL
2 stops6h 40m
Southwest
Deal found 3/19![Southwest logo]()
$389
This Delta deal was found by Cheapflights users on 3/22. 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.
Wed 5/65:38 am
PVD
- STL
1 stop5h 56m
Delta
Sat 5/96:04 pm
STL
- PVD
1 stop4h 24m
Delta
Deal found 3/22![Delta logo]()
$357
This Kiwi.com deal was found by Cheapflights users on 3/21. 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.
Sun 4/58:44 pm
HVN
- STL
1 stop12h 07m
Multiple Airlines
Thu 4/96:29 pm
STL
- HVN
2 stops15h 58m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$658
This United Airlines deal was found by Cheapflights users on 3/19. 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 4/243:15 pm
EWR
- STL
1 stop7h 37m
United Airlines
Mon 4/276:15 am
STL
- EWR
Nonstop2h 36m
United Airlines
Deal found 3/19![United Airlines logo]()
$416
This Southwest deal was found by Cheapflights users on 3/19. 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.
Fri 5/16:15 pm
PVD
- STL
1 stop6h 10m
Southwest
Tue 5/51:45 pm
STL
- PVD
1 stop6h 25m
Southwest
Deal found 3/19![Southwest logo]()
$389
This Delta deal was found by Cheapflights users on 3/21. 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.
Sat 4/251:15 pm
EWR
- STL
1 stop4h 27m
Delta
Mon 4/275:59 pm
STL
- EWR
1 stop4h 04m
Delta
Deal found 3/21![Delta logo]()
$357
Last-minute flights from Connecticut to St. LouisDiscover last-minute flight deals from Connecticut to St. Louis. Data last updated March 24, 2026 and is based on user searches.
Discover last-minute flight deals from Connecticut to St. Louis. Data last updated March 24, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 3/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/298:08 pm
BDL
- STL
1 stop11h 54m
Frontier
Wed 4/294:59 pm
STL
- BDL
1 stop18h 44m
Frontier
Deal found 3/19![Frontier logo]()
$261
This Priceline deal was found by Cheapflights users on 3/22. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/51:00 pm
JFK
- STL
1 stop11h 25m
Frontier
Thu 4/96:29 pm
STL
- JFK
1 stop5h 51m
Frontier
Deal found 3/22![Frontier logo]()
$290
This Expedia deal was found by Cheapflights users on 3/23. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/99:21 pm
BDL
- STL
1 stop11h 30m
Frontier
Mon 4/138:41 am
STL
- BDL
1 stop11h 27m
Frontier
Deal found 3/23![Frontier logo]()
$246
This American Airlines deal was found by Cheapflights users on 3/23. 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 4/216:00 am
BDL
- STL
1 stop7h 18m
American Airlines
Tue 4/283:43 pm
STL
- BDL
1 stop7h 16m
American Airlines
Deal found 3/23![American Airlines logo]()
$263
This Southwest deal was found by Cheapflights users on 3/22. 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.
Tue 4/214:05 pm
BDL
- STL
1 stop6h 00m
Southwest
Tue 4/2810:25 am
STL
- BDL
1 stop4h 35m
Southwest
Deal found 3/22![Southwest logo]()
$264
This Delta deal was found by Cheapflights users on 3/19. 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.
Wed 4/226:20 am
JFK
- STL
1 stop6h 36m
Delta
Wed 4/226:50 pm
STL
- JFK
1 stop4h 58m
Delta
Deal found 3/19![Delta logo]()
$293
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 4/233:50 pm
BDL
- STL
1 stop16h 00m
Multiple Airlines
Mon 4/278:23 pm
STL
- BDL
2 stops44h 00m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$290
This Southwest deal was found by Cheapflights users on 3/22. 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.
Fri 4/2412:00 pm
LGA
- STL
Nonstop2h 50m
Southwest
Tue 4/283:30 pm
STL
- LGA
Nonstop2h 25m
Southwest
Deal found 3/22![Southwest logo]()
$291
This Kiwi.com deal was found by Cheapflights users on 3/23. 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.
Sun 4/263:50 pm
BDL
- STL
1 stop16h 00m
Frontier
Wed 4/298:23 pm
STL
- BDL
1 stop17h 26m
Frontier
Deal found 3/23![Frontier logo]()
$243
This Southwest deal was found by Cheapflights users on 3/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/283:05 pm
LGA
- STL
Nonstop2h 55m
Southwest
Thu 4/305:50 am
STL
- LGA
Nonstop2h 20m
Southwest
Deal found 3/20![Southwest logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 4/303:50 pm
BDL
- STL
1 stop16h 00m
Multiple Airlines
Tue 5/56:41 pm
STL
- BDL
2 stops23h 11m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 4/303:29 pm
LGA
- STL
1 stop8h 50m
Multiple Airlines
Wed 5/65:27 pm
STL
- LGA
2 stops21h 34m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$289
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 March 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 March 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/20. 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.
Tue 4/1410:29 pm
EWR
- STL
1 stop9h 21m
Frontier
Deal found 3/20![Frontier logo]()
$71
This Frontier deal was found by Cheapflights users on 3/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1710:29 pm
EWR
- STL
1 stop9h 21m
Frontier
Deal found 3/20![Frontier logo]()
$76
This Booking.com deal was found by Cheapflights users on 3/23. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/291:45 pm
EWR
- STL
1 stop10h 34m
Frontier
Deal found 3/23![Frontier logo]()
$77
This CheapOair deal was found by Cheapflights users on 3/20. 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.
Fri 4/248:42 pm
BDL
- STL
1 stop27h 37m
Frontier
Deal found 3/20![Frontier logo]()
$82
This Frontier deal was found by Cheapflights users on 3/23. 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.
Tue 4/75:59 am
EWR
- STL
1 stop5h 31m
Frontier
Deal found 3/23![Frontier logo]()
$90
This Priceline deal was found by Cheapflights users on 3/23. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/101:30 pm
EWR
- STL
1 stop11h 28m
Frontier
Deal found 3/23![Frontier logo]()
$96
This Frontier deal was found by Cheapflights users on 3/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2810:29 pm
EWR
- STL
1 stop9h 21m
Frontier
Deal found 3/19![Frontier logo]()
$97
This CheapOair deal was found by Cheapflights users on 3/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/208:50 pm
BDL
- STL
1 stop27h 29m
Frontier
Deal found 3/19![Frontier logo]()
$102
This CheapOair deal was found by Cheapflights users on 3/23. 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 5/2911:30 am
EWR
- STL
1 stop13h 51m
Frontier
Deal found 3/23![Frontier logo]()
$102
This Kiwi.com deal was found by Cheapflights users on 3/20. 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.
Tue 4/1412:23 pm
EWR
- STL
2 stops19h 27m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$108
This Priceline deal was found by Cheapflights users on 3/19. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/134:27 pm
BDL
- STL
1 stop7h 58m
Frontier
Deal found 3/19![Frontier logo]()
$111
This Kiwi.com deal was found by Cheapflights users on 3/20. 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.
Tue 4/211:45 pm
EWR
- STL
2 stops18h 05m
Frontier
Deal found 3/20![Frontier logo]()
$116
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 March 24, 2026.
Round-trip from | $216 (CheapOair) |
|---|---|
One-way from | $71 (Kiwi.com) |
Popular in | March |
Cheapest in | August |
Average price | $466 |
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 March 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
Wed 4/22
12:00 pm-1:50 pm
Nonstop2h 50m
Lambert-St Louis
Sat 4/25
6:00 am-9:20 am
Nonstop2h 20m
$294
New YorkSt. Louis
LGA - STL
LGASTL
New York LaGuardia
Wed 5/6
5:59 pm-7:53 pm
Nonstop2h 54m
Lambert-St Louis
Fri 6/19
5:00 pm-8:33 pm
Nonstop2h 33m
$295
New YorkSt. Louis
LGA - STL
LGASTL
New York LaGuardia
Fri 5/1
6:35 pm-8:30 pm
Nonstop2h 55m
Lambert-St Louis
Tue 5/5
3:30 pm-6:55 pm
Nonstop2h 25m
$295
New YorkSt. Louis
LGA - STL
LGASTL
New York LaGuardia
Fri 5/1
5:30 pm-7:26 pm
Nonstop2h 56m
Lambert-St Louis
Wed 5/6
12:45 pm-4:15 pm
Nonstop2h 30m
$295
New YorkSt. Louis
LGA - STL
LGASTL
New York LaGuardia
Fri 4/24
6:35 pm-8:30 pm
Nonstop2h 55m
Lambert-St Louis
Mon 4/27
3:30 pm-6:55 pm
Nonstop2h 25m
$316
New YorkSt. Louis
LGA - STL
LGASTL
New York LaGuardia
Sat 4/18
6:00 am-7:45 am
Nonstop2h 45m
Lambert-St Louis
Mon 4/20
5:50 am-9:10 am
Nonstop2h 20m
$316
Quickest round-trip
New YorkSt. Louis
LGA - STL
LGASTL
New York LaGuardia
Wed 7/15
6:30 am-8:05 am
Nonstop2h 35m
Lambert-St Louis
Tue 7/21
5:45 am-9:05 am
Nonstop2h 20m
$317
HartfordSt. Louis
BDL - STL
BDLSTL
Hartford Bradley Intl
Fri 5/1
7:20 pm-10:45 pm
1 stop4h 25m
Lambert-St Louis
Tue 5/5
7:35 am-3:25 pm
1 stop6h 50m
$318
New YorkSt. Louis
LGA - STL
LGASTL
New York LaGuardia
Mon 5/11
6:30 am-8:13 am
Nonstop2h 43m
Lambert-St Louis
Wed 5/20
10:19 am-3:58 pm
1 stop4h 39m
$324
New YorkSt. Louis
LGA - STL
LGASTL
New York LaGuardia
Mon 5/11
6:30 am-8:13 am
Nonstop2h 43m
Lambert-St Louis
Mon 5/18
6:15 pm-11:25 pm
1 stop4h 10m
$326
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.
EWR-STL
BDL-STL
LGA-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
EWR-STL
BDL-STL
LGA-STL
JFK-STL
What is the cheapest month to book a flight from Connecticut to St. Louis?
Currently, January is the cheapest month in which you can book a flight from Connecticut to St. Louis (average of $227). Flying from Connecticut to St. Louis in December is currently the most expensive (average of $314). 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.
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
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Complete your trip
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St. Louis flight routes
Top destinations
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 March 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 March 24, 2026.
Connecticut to St. Louis flights
Consider these flights traveling from Connecticut to St. Louis.
Top 5 airlines flying from Connecticut to St. Louis
Discover the top 5 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 March 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$81 | Average$241 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$238 | Average$392 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$242 | Average$535 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$246 | Average$366 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$283 | Average$415 | FlexibilityNo cancel fee | On-time63% |