$112+ Cheap flights from Connecticut to St. Louis (STL)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — STL
Oct 9 — Oct 161
Round-trip
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Connecticut to St. Louis
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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 September 9, 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 September 9, 2026.
This Frontier deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” 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 10/13:16 pm -
1 stop26h 18m
Thu 10/84:30 pm -
1 stop20h 51m
Deal found 9/7![Frontier logo]()
$259
This CheapOair deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” 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 9/243:16 pm -
1 stop26h 18m
Sun 9/275:19 pm -
1 stop19h 59m
Deal found 9/7![Frontier logo]()
$270
This CheapOair deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” 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 11/2012:26 pm -
1 stop12h 33m
Mon 11/231:20 pm -
1 stop21h 11m
Deal found 9/7![Frontier logo]()
$284
This CheapOair deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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 11/13:15 pm -
1 stop9h 01m
Sat 11/74:26 pm -
1 stop20h 54m
Deal found 9/5![Frontier logo]()
$288
This Southwest deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 10/16:05 am -
Nonstop2h 40m
Mon 10/55:40 am -
Nonstop2h 20m
Deal found 9/8![Southwest logo]()
$293
This CheapOair deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 11/193:15 pm -
1 stop22h 10m
Tue 11/245:59 pm -
1 stop16h 32m
Deal found 9/4![Frontier logo]()
$294
This Delta deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/19:59 am -
Nonstop2h 44m
Mon 10/55:30 pm -
Nonstop2h 30m
Deal found 9/8![Delta logo]()
$294
This Super.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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 9/236:15 am -
1 stop7h 55m
Fri 9/252:29 pm -
1 stop5h 30m
Deal found 9/5![Frontier logo]()
$296
This Kiwi.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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 10/246:10 am -
2 stops18h 03m
Mon 10/266:35 pm -
1 stop12h 59m
Deal found 9/5![Frontier logo]()
$299
This Frontier deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” 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 10/1411:30 am -
1 stop7h 10m
Sun 10/184:30 pm -
1 stop7h 32m
Deal found 9/6![Frontier logo]()
$299
This Expedia deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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.
Fri 11/139:29 am -
1 stop9h 11m
Sun 11/1512:14 pm -
1 stop6h 21m
Deal found 9/5![Frontier logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1911:30 am -
1 stop7h 10m
Mon 10/266:35 pm -
1 stop15h 01m
Deal found 9/4![Frontier logo]()
$301
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 September 9, 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 September 9, 2026.
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:45 am -
Nonstop2h 44m
Mon 10/126:47 am -
1 stop4h 01m
Deal found 9/7![Delta logo]()
$303
This Kiwi.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 10/117:54 pm -
1 stop28h 19m
Thu 10/154:30 pm -
2 stops24h 14m
Deal found 9/4![Multiple Airlines logo]()
$336
This United Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” 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 10/236:00 am -
2 stops7h 13m
Wed 10/288:30 am -
1 stop4h 48m
Deal found 9/7![United Airlines logo]()
$347
This Southwest deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 10/223:00 pm -
Nonstop2h 40m
Sun 10/255:40 am -
Nonstop2h 20m
Deal found 9/8![Southwest logo]()
$356
This American Airlines deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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 9/307:25 am -
1 stop6h 38m
Sat 10/105:00 am -
2 stops8h 31m
Deal found 9/5![American Airlines logo]()
$408
This Delta deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 10/26:30 am -
Nonstop2h 36m
Mon 10/51:01 pm -
Nonstop2h 29m
Deal found 9/8![Delta logo]()
$309
This Delta deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:00 am -
1 stop5h 55m
Mon 10/54:59 pm -
1 stop7h 01m
Deal found 9/8![Delta logo]()
$313
This Alaska Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/301:00 pm -
1 stop27h 44m
Mon 11/27:00 am -
2 stops31h 42m
Deal found 9/8![Alaska Airlines logo]()
$698
This Southwest deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 10/71:50 pm -
2 stops7h 10m
Fri 10/97:55 pm -
1 stop13h 10m
Deal found 9/8![Southwest logo]()
$365
This United Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 10/12:18 pm -
Nonstop2h 42m
Mon 10/59:30 am -
Nonstop2h 38m
Deal found 9/8![United Airlines logo]()
$374
This Southwest deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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 10/178:15 am -
Nonstop2h 40m
Mon 10/197:50 pm -
Nonstop2h 25m
Deal found 9/5![Southwest logo]()
$371
This United Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 11/48:45 am -
Nonstop3h 03m
Sat 11/76:50 pm -
1 stop5h 08m
Deal found 9/8![United Airlines logo]()
$383
This Delta deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 11/212:00 pm -
1 stop5h 13m
Mon 11/235:22 pm -
1 stop5h 16m
Deal found 9/8![Delta logo]()
$361
This United Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 10/179:44 am -
1 stop6h 59m
Wed 10/218:00 am -
1 stop5h 29m
Deal found 9/4![United Airlines logo]()
$389
This Southwest deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” 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.
Sun 11/227:15 am -
Nonstop2h 55m
Fri 11/275:30 am -
Nonstop2h 20m
Deal found 9/6![Southwest logo]()
$396
This American Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 10/97:27 pm -
1 stop5h 32m
Mon 10/125:08 pm -
1 stop5h 51m
Deal found 9/9![American Airlines logo]()
$483
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:45 am -
Nonstop2h 44m
Tue 10/201:02 pm -
Nonstop2h 28m
Deal found 9/6![Delta logo]()
$373
This United Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” 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 9/299:44 am -
1 stop6h 59m
Sat 10/36:00 am -
2 stops7h 08m
Deal found 9/6![United Airlines logo]()
$394
This Southwest deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 10/308:30 am -
1 stop7h 25m
Sun 11/18:25 am -
2 stops7h 30m
Deal found 9/8![Southwest logo]()
$397
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:45 am -
Nonstop2h 44m
Sat 10/318:00 am -
Nonstop2h 24m
Deal found 9/6![Delta logo]()
$373
This Southwest deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 12/912:30 pm -
2 stops7h 55m
Mon 12/1410:55 am -
2 stops7h 45m
Deal found 9/4![Southwest logo]()
$399
This United Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 10/16:05 am -
1 stop7h 08m
Mon 10/51:29 pm -
1 stop7h 08m
Deal found 9/8![United Airlines logo]()
$405
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” 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 10/21:55 pm -
Nonstop2h 41m
Sat 10/32:00 pm -
Nonstop2h 29m
Deal found 9/6![Delta logo]()
$373
This Southwest deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 10/36:15 am -
2 stops10h 45m
Mon 10/53:05 pm -
1 stop5h 20m
Deal found 9/4![Southwest logo]()
$404
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” 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 10/148:10 am -
1 stop6h 10m
Tue 10/206:05 pm -
1 stop4h 27m
Deal found 9/7![Delta logo]()
$389
This United Airlines deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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 10/57:29 pm -
Nonstop2h 40m
Wed 10/712:20 pm -
Nonstop2h 27m
Deal found 9/5![United Airlines logo]()
$429
This Southwest deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” 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 11/131:45 pm -
2 stops6h 25m
Mon 11/1612:40 pm -
1 stop3h 55m
Deal found 9/6![Southwest logo]()
$404
This Alaska Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/201:00 pm -
1 stop11h 59m
Fri 10/234:42 pm -
2 stops22h 02m
Deal found 9/4![Alaska Airlines logo]()
$733
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” 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 11/137:00 am -
1 stop5h 15m
Mon 11/162:31 pm -
1 stop6h 47m
Deal found 9/6![Delta logo]()
$389
This Southwest deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 10/177:05 am -
2 stops6h 30m
Wed 10/212:20 pm -
2 stops7h 00m
Deal found 9/4![Southwest logo]()
$408
Last-minute flights from Connecticut to St. LouisDiscover last-minute flight deals from Connecticut to St. Louis. Data last updated September 9, 2026 and is based on user searches.
Discover last-minute flight deals from Connecticut to St. Louis. Data last updated September 9, 2026 and is based on user searches.
This Super.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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 9/236:15 am -
1 stop7h 55m
Fri 9/252:29 pm -
1 stop5h 30m
Deal found 9/5![Frontier logo]()
$296
This CheapOair deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” 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 9/243:16 pm -
1 stop26h 18m
Sun 9/275:19 pm -
1 stop19h 59m
Deal found 9/7![Frontier logo]()
$270
This Frontier deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” 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 10/13:16 pm -
1 stop26h 18m
Thu 10/84:30 pm -
1 stop20h 51m
Deal found 9/7![Frontier logo]()
$259
This Southwest deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 10/16:05 am -
Nonstop2h 40m
Mon 10/55:40 am -
Nonstop2h 20m
Deal found 9/8![Southwest logo]()
$293
This Delta deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/19:59 am -
Nonstop2h 44m
Mon 10/55:30 pm -
Nonstop2h 30m
Deal found 9/8![Delta logo]()
$294
This United Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 10/87:00 am -
Nonstop2h 48m
Tue 10/138:30 am -
1 stop4h 39m
Deal found 9/8![United Airlines logo]()
$303
This CheapOair deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 10/113:16 pm -
1 stop8h 57m
Thu 10/154:30 pm -
1 stop20h 51m
Deal found 9/4![Frontier logo]()
$288
This Frontier deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” 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 10/1411:30 am -
1 stop7h 10m
Sun 10/184:30 pm -
1 stop7h 32m
Deal found 9/6![Frontier logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” 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 10/145:55 am -
2 stops12h 45m
Mon 10/196:35 pm -
1 stop14h 58m
Deal found 9/7![Frontier logo]()
$302
This Kiwi.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1911:30 am -
1 stop7h 10m
Mon 10/266:35 pm -
1 stop15h 01m
Deal found 9/4![Frontier logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” 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 10/246:10 am -
2 stops18h 03m
Mon 10/266:35 pm -
1 stop12h 59m
Deal found 9/5![Frontier logo]()
$299
This KAYAK deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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.
Tue 10/276:25 pm -
Nonstop2h 49m
Thu 10/297:00 am -
Nonstop2h 26m
Deal found 9/8![Delta logo]()
$301
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 September 9, 2026.
Search for one-way flight options from Connecticut to St. Louis. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
This Super.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” 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 10/1411:30 am -
1 stop7h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Frontier logo]()
$112
This Priceline deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1111:35 am -
1 stop7h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$113
This Trip.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2111:30 am -
1 stop7h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$118
This Trip.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 10/1310:29 pm -
1 stop20h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 9/2910:29 pm -
1 stop15h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” 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 10/610:29 pm -
1 stop15h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” 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 10/277:00 am -
2 stops35h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:05 am -
2 stops11h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$138
This CheapOair deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 10/13:16 pm -
1 stop26h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” 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 10/292:40 pm -
3 stops28h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$140
This CheapOair deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” 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 9/243:16 pm -
1 stop26h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Frontier logo]()
$141
This Southwest deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” 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 10/86:05 am -
Nonstop2h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Southwest logo]()
$147
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 September 9, 2026.
Round-trip from | $259 (Frontier) |
|---|---|
One-way from | $112 (Super.com) |
Popular in | July |
Cheapest in | October |
Average price | $448 |
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 7,457,451 searches. Data last updated September 9, 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
NewarkSt. Louis
EWR Newark - STL Lambert-St Louis
EWRSTL
Newark
Sat 10/24
5:55 am-11:13 pm
1 stop18h 18m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$128
HartfordSt. Louis
BDL Hartford Bradley Intl - STL Lambert-St Louis
BDLSTL
Hartford Bradley Intl
Thu 9/24
3:16 pm-4:34 pm
1 stop26h 18m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$141
Quickest round-trip
NewarkSt. Louis
EWR Newark - STL Lambert-St Louis
EWRSTL
Newark
Tue 10/6
7:29 pm-9:09 pm
Nonstop2h 40m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$147
New YorkSt. Louis
LGA New York LaGuardia - STL Lambert-St Louis
LGASTL
New York LaGuardia
Tue 10/13
6:59 am-1:20 pm
1 stop7h 21m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$157
NewarkSt. Louis
EWR Newark - STL Lambert-St Louis
EWRSTL
Newark
Wed 10/21
6:00 am-12:08 pm
1 stop7h 08m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$157
New YorkSt. Louis
LGA New York LaGuardia - STL Lambert-St Louis
LGASTL
New York LaGuardia
Fri 11/6
6:35 pm-8:35 pm
Nonstop3h 00m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$163
New YorkSt. Louis
LGA New York LaGuardia - STL Lambert-St Louis
LGASTL
New York LaGuardia
Fri 10/30
6:25 pm-8:14 pm
Nonstop2h 49m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$163
New YorkSt. Louis
LGA New York LaGuardia - STL Lambert-St Louis
LGASTL
New York LaGuardia
Fri 12/4
1:59 pm-6:13 pm
1 stop5h 14m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$173
NewarkSt. Louis
EWR Newark - STL Lambert-St Louis
EWRSTL
Newark
Fri 10/23
6:50 pm-11:54 pm
1 stop6h 04m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$173
New YorkSt. Louis
LGA New York LaGuardia - STL Lambert-St Louis
LGASTL
New York LaGuardia
Sat 11/14
8:00 am-9:55 am
Nonstop2h 55m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$185
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.
BDL-STL
LGA-STL
EWR-STL
PVD-STL
JFK-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
BDL-STL
LGA-STL
EWR-STL
PVD-STL
What is the cheapest month to book a flight from Connecticut to St. Louis?
Currently, October is the cheapest month in which you can book a flight from Connecticut to St. Louis (average of $357). Flying from Connecticut to St. Louis in July is currently the most expensive (average of $536). 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 $402 and $534 in October.The cheapest round-trip price found within the last 5 days was $259 on Frontier (Oct 1-Oct 8).
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 75 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 locationsFairview Heights
O'Fallon
Fenton
Swansea
Eureka
Maryland Heights
Collinsville
Wentzville
Edwardsville
Glencoe
Chesterfield
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Alternative routes for Connecticut to St. Louis
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Complete your trip
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Connecticut and St. Louis flights
Browse other Connecticut and St. Louis flight options. Last updated on September 9, 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 September 9, 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 7,457,451 searches. Data last updated September 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$272 | Average$453 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$278 | Average$445 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$283 | Average$442 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$342 | Average$576 | FlexibilityNo cancel fee | On-time69% |