$98+ 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 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — STL
Nov 9 — Nov 161
Round-trip
1 adult, Economy
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Find cheap flights from Connecticut to St. Louis with Cheapflights
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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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Best
Last-minute
One-way
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 October 10, 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 October 10, 2026.
This CheapOair deal was found by Cheapflights users on 10/6. 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 11/193:15 pm -
1 stop9h 01m
Mon 11/236:05 pm -
1 stop16h 26m
Deal found 10/6![Frontier logo]()
$247
This American Airlines deal was found by Cheapflights users on 10/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:26 pm -
1 stop6h 33m
Wed 11/116:00 am -
1 stop4h 25m
Deal found 10/8![American Airlines logo]()
$255
This Southwest deal was found by Cheapflights users on 10/8. 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 11/1112:30 pm -
2 stops7h 55m
Sat 11/146:25 am -
1 stop4h 45m
Deal found 10/8![Southwest logo]()
$260
This United Airlines deal was found by Cheapflights users on 10/5. 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 11/25:02 pm -
1 stop5h 38m
Wed 11/111:00 pm -
1 stop4h 42m
Deal found 10/5![United Airlines logo]()
$268
This American Airlines deal was found by Cheapflights users on 10/5. 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.
Thu 11/57:09 am -
1 stop6h 41m
Mon 11/95:05 am -
1 stop5h 20m
Deal found 10/5![American Airlines logo]()
$269
This United Airlines deal was found by Cheapflights users on 10/5. 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.
Tue 10/276:00 am -
2 stops7h 10m
Thu 10/297:30 am -
1 stop5h 48m
Deal found 10/5![United Airlines logo]()
$273
This CheapOair deal was found by Cheapflights users on 10/6. 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 11/123:15 pm -
1 stop9h 01m
Sun 11/154:26 pm -
1 stop20h 54m
Deal found 10/6![Frontier logo]()
$274
This Southwest deal was found by Cheapflights users on 10/5. 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.
Tue 11/37:45 am -
1 stop5h 55m
Thu 11/56:40 am -
1 stop4h 25m
Deal found 10/5![Southwest logo]()
$276
This Southwest deal was found by Cheapflights users on 10/5. 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.
Mon 11/22:30 pm -
2 stops7h 30m
Wed 11/116:20 am -
2 stops7h 00m
Deal found 10/5![Southwest logo]()
$279
This Southwest deal was found by Cheapflights users on 10/5. 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.
Thu 11/512:45 pm -
2 stops9h 15m
Mon 11/98:25 pm -
1 stop10h 30m
Deal found 10/5![Southwest logo]()
$281
This Southwest deal was found by Cheapflights users on 10/5. 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.
Tue 10/2712:55 pm -
2 stops8h 05m
Thu 10/297:50 pm -
2 stops11h 20m
Deal found 10/5![Southwest logo]()
$285
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 October 10, 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 October 10, 2026.
This United Airlines deal was found by Cheapflights users on 10/5. 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.
Tue 10/276:00 am -
2 stops7h 10m
Thu 10/297:30 am -
1 stop5h 48m
Deal found 10/5![United Airlines logo]()
$273
This Southwest deal was found by Cheapflights users on 10/5. 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.
Tue 11/35:40 am -
2 stops6h 20m
Thu 11/55:45 am -
1 stop4h 25m
Deal found 10/5![Southwest logo]()
$282
This Southwest deal was found by Cheapflights users on 10/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/215:30 pm -
2 stops7h 25m
Mon 11/235:10 pm -
1 stop5h 40m
Deal found 10/9![Southwest logo]()
$330
This United Airlines deal was found by Cheapflights users on 10/8. 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 11/116:00 am -
2 stops7h 10m
Sat 11/145:00 am -
1 stop4h 43m
Deal found 10/8![United Airlines logo]()
$360
This Southwest deal was found by Cheapflights users on 10/7. 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.
Wed 11/1112:30 pm -
2 stops7h 55m
Sat 11/1412:15 pm -
2 stops8h 35m
Deal found 10/7![Southwest logo]()
$330
This Southwest deal was found by Cheapflights users on 10/7. 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.
Wed 11/1112:30 pm -
1 stop6h 35m
Sun 11/155:10 pm -
1 stop5h 40m
Deal found 10/7![Southwest logo]()
$336
This United Airlines deal was found by Cheapflights users on 10/8. 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 11/56:00 am -
3 stops10h 43m
Mon 11/96:00 am -
2 stops11h 42m
Deal found 10/8![United Airlines logo]()
$371
This Southwest deal was found by Cheapflights users on 10/7. 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 11/1212:45 pm -
2 stops9h 15m
Sun 11/155:10 pm -
1 stop5h 40m
Deal found 10/7![Southwest logo]()
$341
This Southwest deal was found by Cheapflights users on 10/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/145:50 am -
2 stops9h 20m
Mon 11/166:20 am -
2 stops7h 00m
Deal found 10/9![Southwest logo]()
$362
Last-minute flights from Connecticut to St. LouisDiscover last-minute flight deals from Connecticut to St. Louis. Data last updated October 10, 2026 and is based on user searches.
Discover last-minute flight deals from Connecticut to St. Louis. Data last updated October 10, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/5. 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.
Tue 10/276:00 am -
2 stops7h 10m
Thu 10/297:30 am -
1 stop5h 48m
Deal found 10/5![United Airlines logo]()
$273
This Southwest deal was found by Cheapflights users on 10/5. 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.
Tue 10/2712:55 pm -
2 stops8h 05m
Thu 10/297:50 pm -
2 stops11h 20m
Deal found 10/5![Southwest logo]()
$285
This American Airlines deal was found by Cheapflights users on 10/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:26 pm -
1 stop6h 33m
Wed 11/116:00 am -
1 stop4h 25m
Deal found 10/8![American Airlines logo]()
$255
This Delta deal was found by Cheapflights users on 10/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/25:35 pm -
1 stop7h 19m
Wed 11/1110:05 am -
1 stop6h 52m
Deal found 10/5![Delta logo]()
$268
This Southwest deal was found by Cheapflights users on 10/5. 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.
Mon 11/22:30 pm -
2 stops7h 30m
Wed 11/116:20 am -
2 stops7h 00m
Deal found 10/5![Southwest logo]()
$279
This Southwest deal was found by Cheapflights users on 10/5. 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.
Tue 11/37:45 am -
1 stop5h 55m
Thu 11/56:40 am -
1 stop4h 25m
Deal found 10/5![Southwest logo]()
$276
This American Airlines deal was found by Cheapflights users on 10/5. 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.
Thu 11/57:09 am -
1 stop6h 41m
Mon 11/95:05 am -
1 stop5h 20m
Deal found 10/5![American Airlines logo]()
$269
This Southwest deal was found by Cheapflights users on 10/5. 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.
Thu 11/512:45 pm -
2 stops9h 15m
Mon 11/98:25 pm -
1 stop10h 30m
Deal found 10/5![Southwest logo]()
$281
This Southwest deal was found by Cheapflights users on 10/8. 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 11/1112:30 pm -
2 stops7h 55m
Sat 11/146:25 am -
1 stop4h 45m
Deal found 10/8![Southwest logo]()
$260
This CheapOair deal was found by Cheapflights users on 10/6. 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 11/123:15 pm -
1 stop9h 01m
Sun 11/154:26 pm -
1 stop20h 54m
Deal found 10/6![Frontier logo]()
$274
This CheapOair deal was found by Cheapflights users on 10/6. 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 11/193:15 pm -
1 stop9h 01m
Mon 11/236:05 pm -
1 stop16h 26m
Deal found 10/6![Frontier logo]()
$247
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 October 10, 2026.
Search for one-way flight options from Connecticut to St. Louis. Find affordable one-way fares based on user searches. Data last updated October 10, 2026.
This Priceline deal was found by Cheapflights users on 10/6. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/23:15 pm -
1 stop9h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Frontier logo]()
$98
This United Airlines deal was found by Cheapflights users on 10/8. 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 11/46:00 am -
1 stop7h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![United Airlines logo]()
$128
This Priceline deal was found by Cheapflights users on 10/7. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/303:15 pm -
1 stop9h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Frontier logo]()
$130
This Southwest deal was found by Cheapflights users on 10/8. 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 11/412:30 pm -
2 stops7h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Southwest logo]()
$133
This Priceline deal was found by Cheapflights users on 10/6. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/263:16 pm -
1 stop8h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Frontier logo]()
$135
This United Airlines deal was found by Cheapflights users on 10/5. 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.
Thu 11/56:00 am -
2 stops7h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![United Airlines logo]()
$140
This Priceline deal was found by Cheapflights users on 10/7. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/153:15 pm -
1 stop9h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Frontier logo]()
$149
This Priceline deal was found by Cheapflights users on 10/6. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/133:15 pm -
1 stop9h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Frontier logo]()
$152
This United Airlines deal was found by Cheapflights users on 10/8. 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.
Fri 12/254:45 pm -
1 stop7h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![United Airlines logo]()
$162
This American Airlines deal was found by Cheapflights users on 10/9. 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.
Wed 11/412:22 pm -
1 stop5h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![American Airlines logo]()
$163
This United Airlines deal was found by Cheapflights users on 10/7. 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 10/306:00 am -
2 stops7h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![United Airlines logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 10/6. 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.
Wed 11/41:39 pm -
3 stops22h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Multiple Airlines logo]()
$173
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 October 10, 2026.
Round-trip from | $247 (CheapOair) |
|---|---|
One-way from | $98 (Priceline) |
Popular in | September |
Cheapest in | February |
Average price | $421 |
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 October 10, 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
HartfordSt. Louis
BDL Hartford Bradley Intl - STL Lambert-St Louis
BDLSTL
Hartford Bradley Intl
Tue 11/3
7:45 am-12:40 pm
1 stop5h 55m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$128
Quickest round-trip
HartfordSt. Louis
BDL Hartford Bradley Intl - STL Lambert-St Louis
BDLSTL
Hartford Bradley Intl
Tue 11/24
5:30 am-9:25 am
1 stop4h 55m
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
Wed 11/4
6:00 am-12:10 pm
1 stop7h 10m
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 11/5
6:00 am-12:10 pm
2 stops7h 10m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$140
HartfordSt. Louis
BDL Hartford Bradley Intl - STL Lambert-St Louis
BDLSTL
Hartford Bradley Intl
Fri 12/25
4:45 pm-11:38 pm
1 stop7h 53m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$162
HartfordSt. Louis
BDL Hartford Bradley Intl - STL Lambert-St Louis
BDLSTL
Hartford Bradley Intl
Fri 11/13
10:37 am-9:40 pm
2 stops12h 03m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$167
HartfordSt. Louis
BDL Hartford Bradley Intl - STL Lambert-St Louis
BDLSTL
Hartford Bradley Intl
Fri 10/30
6:00 am-12:10 pm
2 stops7h 10m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$167
HartfordSt. Louis
BDL Hartford Bradley Intl - STL Lambert-St Louis
BDLSTL
Hartford Bradley Intl
Fri 12/25
7:00 am-1:40 pm
2 stops7h 40m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$177
HartfordSt. Louis
BDL Hartford Bradley Intl - STL Lambert-St Louis
BDLSTL
Hartford Bradley Intl
Fri 12/25
5:20 am-11:13 am
1 stop6h 53m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$190
HartfordSt. Louis
BDL Hartford Bradley Intl - STL Lambert-St Louis
BDLSTL
Hartford Bradley Intl
Wed 11/4
6:00 am-12:43 pm
1 stop7h 43m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$196
Showing 1-10 of 20 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
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
What is the cheapest month to book a flight from Connecticut to St. Louis?
Currently, February is the cheapest month in which you can book a flight from Connecticut to St. Louis (average of $402). Flying from Connecticut to St. Louis in September is currently the most expensive (average of $537). 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 $388 and $658 in November.The cheapest round-trip price found within the last 5 days was $247 on Frontier (Nov 19-Nov 23).
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 73 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
Wentzville
Chesterfield
Maryland Heights
Collinsville
Edwardsville
Glencoe
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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 October 10, 2026.
Popular flight searches
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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 October 10, 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 October 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$278 | Average$448 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$295 | Average$483 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$298 | Average$471 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$348 | Average$563 | FlexibilityNo cancel fee | On-time69% |