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$61+ Cheap flights from St. Louis (STL) to Connecticut

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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BDL
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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Cheap flight deals from St. Louis to Connecticut

Keep the following information in mind while searching for St. Louis to Connecticut flight deals. Data was last updated November 6, 2025.

Round-trip from

$123
(Trip.com)

One-way from

$61
(Frontier)

Popular in

February

Cheapest in

September

Average price

$368
From Lambert-St Louis to Connecticut
Search Deals
One-way flight from Lambert-St Louis to Connecticut
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Highest demand for flights based on searches. 12% potential increase in price ($53 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from St. Louis to Connecticut

Cheapest flights from St. Louis to Connecticut
Explore the most affordable flight options available from St. Louis to Connecticut. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 6, 2025.

This Expedia deal was found by Cheapflights users on 11/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/412:04 pmSTL - EWR
1 stop12h 06mFrontier
Sat 12/1310:30 pmEWR - STL
1 stop12h 17mFrontier
Deal found 11/6$110
This Trip.com deal was found by Cheapflights users on 11/4. 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.
Thu 12/43:30 pmSTL - BDL
1 stop19h 54mFrontier
Mon 12/82:07 pmBDL - STL
1 stop9h 26mFrontier
Deal found 11/4$123
This Frontier deal was found by Cheapflights users on 11/6. 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.
Thu 11/273:14 pmSTL - EWR
1 stop5h 26mFrontier
Thu 12/410:30 pmEWR - STL
1 stop12h 17mFrontier
Deal found 11/6$127
This Kiwi.com deal was found by Cheapflights users on 11/6. 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.
Sun 12/710:42 amSTL - EWR
1 stop20h 06mMultiple Airlines
Wed 12/1010:30 pmEWR - STL
1 stop13h 37mMultiple Airlines
Deal found 11/6$136
This Frontier deal was found by Cheapflights users on 11/6. 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.
Fri 12/510:42 amSTL - EWR
1 stop9h 48mFrontier
Sat 12/610:30 pmEWR - STL
1 stop12h 17mFrontier
Deal found 11/6$146
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 12/103:30 pmSTL - EWR
2 stops8h 40mFrontier
Thu 12/115:59 amEWR - STL
1 stop6h 08mFrontier
Deal found 11/6$150
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 11/273:14 pmSTL - EWR
1 stop8h 19mFrontier
Wed 12/310:30 pmEWR - STL
1 stop13h 37mFrontier
Deal found 11/6$152
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 11/244:13 pmSTL - EWR
1 stop7h 08mMultiple Airlines
Wed 12/310:30 pmEWR - STL
1 stop13h 37mMultiple Airlines
Deal found 11/6$164
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 12/103:30 pmSTL - EWR
2 stops8h 40mFrontier
Sat 12/1310:30 pmEWR - STL
1 stop12h 17mFrontier
Deal found 11/6$170
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 12/412:04 pmSTL - EWR
1 stop8h 35mMultiple Airlines
Sat 12/134:53 pmEWR - STL
2 stops17h 54mMultiple Airlines
Deal found 11/6$173
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Thu 12/43:30 pmSTL - BDL
1 stop19h 54mFrontier
Sun 12/712:48 pmBDL - STL
1 stop22h 04mFrontier
Deal found 11/4$197
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Thu 12/412:04 pmSTL - BDL
2 stops23h 20mMultiple Airlines
Mon 12/82:07 pmBDL - STL
1 stop9h 26mMultiple Airlines
Deal found 11/4$202

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Connecticut 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 November 6, 2025.
Use the filters below to find and compare flights from St. Louis to Connecticut that are best for you.

Fly from

St. Louis

Fly to

Connecticut

Route

Depart

Return

Price

St. LouisNewark

STL - EWR

STLEWR

Lambert-St Louis

Sun 12/7

10:42 am-7:48 am

1 stop20h 06m

Newark

Wed 12/10

10:30 pm-11:07 am

1 stop13h 37m

$137

St. LouisNewark

STL - EWR

STLEWR

Lambert-St Louis

Thu 12/11

12:04 pm-9:35 pm

1 stop8h 31m

Newark

Sun 12/14

10:30 pm-9:52 am

1 stop12h 22m

$236

St. LouisNew Haven

STL - HVN

STLHVN

Lambert-St Louis

Wed 1/7

5:11 pm-2:33 pm

1 stop20h 22m

Tweed-New Haven

Sun 1/11

8:00 am-10:33 pm

1 stop15h 33m

$237

St. LouisHartford

STL - BDL

STLBDL

Lambert-St Louis

Fri 12/12

10:42 am-11:57 pm

2 stops36h 15m

Hartford Bradley Intl

Mon 12/15

2:07 pm-10:33 pm

1 stop9h 26m

$238

St. LouisNewark

STL - EWR

STLEWR

Lambert-St Louis

Sat 1/17

11:22 am-2:58 pm

Nonstop2h 36m

Newark

Sun 1/18

9:57 pm-11:59 pm

Nonstop3h 02m

$241

St. LouisNewark

STL - EWR

STLEWR

Lambert-St Louis

Fri 11/21

3:53 pm-6:38 pm

2 stops25h 45m

Newark

Sun 11/23

6:00 am-2:29 pm

1 stop9h 29m

$246

St. LouisNew York

STL - LGA

STLLGA

Lambert-St Louis

Wed 12/17

7:00 am-10:32 am

Nonstop2h 32m

New York LaGuardia

Sat 1/10

11:59 am-5:02 pm

1 stop6h 03m

$251

St. LouisNew York

STL - LGA

STLLGA

Lambert-St Louis

Wed 12/10

4:25 pm-10:20 pm

1 stop4h 55m

New York LaGuardia

Fri 12/12

6:30 am-8:15 am

Nonstop2h 45m

$259

St. LouisNewark

STL - EWR

STLEWR

Lambert-St Louis

Tue 3/10

6:00 am-12:22 pm

1 stop5h 22m

Newark

Tue 3/31

6:00 am-11:50 am

1 stop6h 50m

$261

St. LouisNew York

STL - JFK

STLJFK

Lambert-St Louis

Thu 12/11

12:04 pm-12:59 am

1 stop11h 55m

New York John F Kennedy Intl

Sun 12/14

6:59 am-9:48 pm

1 stop15h 49m

$261

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 60 results
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Best time to book a flight from St. Louis to Connecticut

Have a flexible travel schedule? Discover the best time to fly to Connecticut from St. Louis with our price prediction graph.
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 St. Louis to Connecticut

What is the cheapest month to book a flight from St. Louis to Connecticut?

Currently, June is the cheapest month in which you can book a flight from St. Louis to Connecticut (average of $137). Flying from St. Louis to Connecticut in February is currently the most expensive (average of $329). 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.

What is the cheapest time of day to fly from STL to CT?

Find hourly flight availability from St. Louis to Connecticut. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 6, 2025.

When flying from St. Louis to Connecticut, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 45% versus a flight at noon.

Reviews of airlines servicing Connecticut

Get insights into the airlines that provide service to Connecticut. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Connecticut. Reviews last updated November 6, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from St. Louis to Connecticut to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,241 reviews

Crew

8.6

Entertainment

7.5

Overall

8.0

Boarding

8.1

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,241 reviews
Southwest
8.0
Very good
4,241 reviews

Crew

8.6

Entertainment

7.5

Overall

8.0

Boarding

8.1

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
8,001 reviews
Southwest
8.0
Very good
4,241 reviews

Crew

8.6

Entertainment

7.5

Overall

8.0

Boarding

8.1

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
9,007 reviews
Southwest
8.0
Very good
4,241 reviews

Crew

8.6

Entertainment

7.5

Overall

8.0

Boarding

8.1

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,040 reviews
Southwest
8.0
Very good
4,241 reviews

Crew

8.6

Entertainment

7.5

Overall

8.0

Boarding

8.1

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Connecticut. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from St. Louis to Connecticut?

    Most people fly from Lambert-St Louis (STL) if they book a flight from St. Louis to Connecticut. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

  • How long is the flight from St. Louis to Connecticut?

    There are many flights that can get you from St. Louis to Connecticut in 2h 32m. Fly via Frontier, United Airlines, or American Airlines to get the fastest option. There are 885 mi between St. Louis and Connecticut. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from St. Louis to Connecticut one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $76. However, be on the lookout for offers from Delta and Southwest, as they are both options that can get you from St. Louis to Connecticut for a low price.

  • What are the most popular routes from St. Louis to Connecticut?

    While some choose either Lambert-St Louis - New York John F Kennedy Intl or Lambert-St Louis - Newark, Lambert-St Louis - New York LaGuardia is the most popular route from St. Louis to Connecticut.

  • Can I find deals for flights from St. Louis to Connecticut that include hotel bookings?

    Yes. In addition to deals on St. Louis to Connecticut flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Connecticut?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Connecticut.

  • Can I find deals for business class flights from St. Louis to Connecticut?

    Yes. Cheapflights offers flight deals from St. Louis to Connecticut by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Connecticut?

    Currently, June is the cheapest month in which you can book a flight from St. Louis to Connecticut (average of $137). Flying from St. Louis to Connecticut in February is currently the most expensive (average of $329). 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.

See more FAQs

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Alternative routes for St. Louis to Connecticut

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from St. Louis to Connecticut

Discover the top 4 airlines that operate flights from St. Louis to Connecticut. 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 November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$218Average$476FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$242Average$352FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$246Average$378FlexibilityNo cancel feeOn-time63%
DeltaCheapest$270Average$369FlexibilityNo cancel feeOn-timeN/A

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