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$72+ 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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BDL
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
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 September 16, 2025.

Round-trip from

$144
(Priceline)

One-way from

$72
(Priceline)

Popular in

February

Cheapest in

April

Average price

$351
From Lambert-St Louis to Connecticut
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One-way flight from Lambert-St Louis to Connecticut
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Highest demand for flights based on searches. 6% potential increase in price ($27 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 16, 2025.

This Priceline deal was found by Cheapflights users on 9/14. 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.
Thu 10/24:00 pmSTL - EWR
1 stop8h 06mFrontier
Sun 10/55:55 amEWR - STL
1 stop10h 09mFrontier
Deal found 9/14$144
This Priceline deal was found by Cheapflights users on 9/14. 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.
Thu 9/254:00 pmSTL - EWR
1 stop7h 34mFrontier
Sun 9/285:55 amEWR - STL
1 stop10h 09mFrontier
Deal found 9/14$156
This Orbitz deal was found by Cheapflights users on 9/14. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/187:15 pmSTL - EWR
1 stop12h 45mMultiple Airlines
Thu 10/235:54 amEWR - STL
1 stop5h 43mMultiple Airlines
Deal found 9/14$158
This Orbitz deal was found by Cheapflights users on 9/14. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/210:35 amSTL - EWR
1 stop12h 11mMultiple Airlines
Sun 10/55:55 amEWR - STL
1 stop10h 09mMultiple Airlines
Deal found 9/14$164
This Priceline deal was found by Cheapflights users on 9/16. 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.
Thu 10/1610:57 amSTL - EWR
1 stop8h 03mMultiple Airlines
Thu 10/235:54 amEWR - STL
1 stop5h 43mMultiple Airlines
Deal found 9/16$165
This Priceline deal was found by Cheapflights users on 9/14. 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.
Thu 9/184:00 pmSTL - EWR
1 stop7h 34mFrontier
Sun 9/215:55 amEWR - STL
1 stop10h 09mFrontier
Deal found 9/14$166
This Booking.com deal was found by Cheapflights users on 9/16. 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.
Mon 10/64:00 pmSTL - EWR
1 stop17h 31mFrontier
Wed 10/811:26 amEWR - STL
1 stop24h 11mFrontier
Deal found 9/16$167
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/117:15 pmSTL - EWR
1 stop12h 45mSpirit Airlines
Sat 10/2510:05 amEWR - STL
1 stop9h 05mSpirit Airlines
Deal found 9/15$172
This Frontier deal was found by Cheapflights users on 9/14. 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.
Sun 9/144:00 pmSTL - EWR
1 stop7h 34mFrontier
Sun 9/215:55 amEWR - STL
1 stop10h 09mFrontier
Deal found 9/14$176
This Priceline deal was found by Cheapflights users on 9/15. 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.
Thu 12/412:20 pmSTL - EWR
1 stop11h 36mSpirit Airlines
Sat 12/67:38 amEWR - STL
1 stop7h 15mSpirit Airlines
Deal found 9/15$185
This Frontier deal was found by Cheapflights users on 9/15. 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.
Sun 10/54:00 pmSTL - EWR
1 stop8h 06mFrontier
Thu 10/95:54 amEWR - STL
1 stop5h 43mFrontier
Deal found 9/15$186
This Priceline deal was found by Cheapflights users on 9/14. 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.
Thu 10/2310:57 amSTL - EWR
1 stop8h 03mMultiple Airlines
Sun 10/265:54 amEWR - STL
1 stop5h 43mMultiple Airlines
Deal found 9/14$187

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 September 16, 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

Sat 11/15

3:14 pm-8:52 pm

1 stop4h 38m

Newark

Mon 11/17

9:46 pm-11:44 pm

Nonstop2h 58m

$207

St. LouisNewark

STL - EWR

STLEWR

Lambert-St Louis

Tue 11/11

11:49 am-3:12 pm

Nonstop2h 23m

Newark

Tue 11/18

11:35 am-3:47 pm

1 stop5h 12m

$207

St. LouisNew York

STL - LGA

STLLGA

Lambert-St Louis

Sat 11/1

1:45 pm-10:05 pm

2 stops7h 20m

New York LaGuardia

Sun 11/2

5:30 am-7:15 am

Nonstop2h 45m

$212

St. LouisNew Haven

STL - HVN

STLHVN

Lambert-St Louis

Thu 10/2

4:00 pm-12:36 pm

1 stop19h 36m

Tweed-New Haven

Mon 10/6

7:00 am-3:04 pm

1 stop9h 04m

$212

St. LouisNew York

STL - JFK

STLJFK

Lambert-St Louis

Sat 11/8

6:40 am-11:59 am

1 stop4h 19m

New York John F Kennedy Intl

Tue 11/11

4:30 pm-8:46 pm

1 stop5h 16m

$217

St. LouisNew York

STL - LGA

STLLGA

Lambert-St Louis

Wed 11/12

8:15 am-2:50 pm

1 stop5h 35m

New York LaGuardia

Wed 11/12

4:45 pm-10:20 pm

1 stop6h 35m

$217

St. LouisNew York

STL - JFK

STLJFK

Lambert-St Louis

Wed 11/12

6:40 am-11:59 am

1 stop4h 19m

New York John F Kennedy Intl

Wed 11/12

4:30 pm-8:46 pm

1 stop5h 16m

$217

St. LouisNewark

STL - EWR

STLEWR

Lambert-St Louis

Sat 11/8

1:30 pm-9:07 pm

1 stop6h 37m

Newark

Tue 11/11

5:49 pm-9:58 pm

1 stop5h 09m

$217

St. LouisNewark

STL - EWR

STLEWR

Lambert-St Louis

Mon 11/3

5:15 pm-11:06 pm

1 stop4h 51m

Newark

Tue 11/4

8:05 am-12:35 pm

1 stop5h 30m

$217

St. LouisNewark

STL - EWR

STLEWR

Lambert-St Louis

Sat 11/1

7:05 am-2:46 pm

1 stop6h 41m

Newark

Sun 11/2

5:00 am-9:31 am

1 stop5h 31m

$217

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

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, November is the cheapest month in which you can book a flight from St. Louis to Connecticut (average of $287). Flying from St. Louis to Connecticut in December is currently the most expensive (average of $351). 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 September 16, 2025.

When flying from St. Louis to Connecticut, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from St. Louis to Connecticut?

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 September 16, 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
4,242 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

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
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

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
8.0
Very good
7,957 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

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
8,924 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

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
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

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 4h 19m. Fly via United Airlines, Southwest, or Delta to get the fastest option. There are 890 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 Southwest, with whom users have recently found tickets for as low as $99. However, be on the lookout for offers from Delta and United Airlines, 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, November is the cheapest month in which you can book a flight from St. Louis to Connecticut (average of $287). Flying from St. Louis to Connecticut in December is currently the most expensive (average of $351). 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$242Average$363FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$246Average$382FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$270Average$496FlexibilityNo cancel feeOn-time69%
DeltaCheapest$270Average$368FlexibilityNo cancel feeOn-timeN/A

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