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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 1/23. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BDL
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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Cheap 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 December 23, 2025.

This Frontier deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2510:42 amSTL - EWR
1 stop9h 53mFrontier
Wed 12/3110:30 pmEWR - STL
1 stop12h 10mFrontier
Deal found 12/21$213
This Southwest deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/257:10 amSTL - LGA
Nonstop2h 20mSouthwest
Sat 12/276:55 amLGA - STL
Nonstop2h 50mSouthwest
Deal found 12/22$282
This American Airlines deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:55 amSTL - LGA
Nonstop2h 31mAmerican Airlines
Wed 12/319:10 amLGA - STL
Nonstop2h 54mAmerican Airlines
Deal found 12/22$283
This United Airlines deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2512:29 pmSTL - EWR
Nonstop2h 30mUnited Airlines
Sat 12/279:44 pmEWR - STL
Nonstop2h 49mUnited Airlines
Deal found 12/22$283
This Frontier deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2510:42 amSTL - LGA
1 stop11h 32mFrontier
Fri 1/210:55 pmLGA - STL
1 stop12h 07mFrontier
Deal found 12/21$297
This Expedia deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:19 pmSTL - JFK
1 stop11h 11mFrontier
Sun 1/47:59 amJFK - STL
1 stop26h 46mFrontier
Deal found 12/22$297
This United Airlines deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:30 amSTL - LGA
1 stop7h 43mUnited Airlines
Wed 12/316:15 pmLGA - STL
1 stop5h 28mUnited Airlines
Deal found 12/22$301
This Delta deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/257:10 amSTL - LGA
Nonstop2h 27mDelta
Thu 1/14:30 pmLGA - STL
1 stop8h 08mDelta
Deal found 12/22$307
This Delta deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/244:52 pmSTL - JFK
Nonstop2h 37mDelta
Thu 12/254:10 pmJFK - STL
1 stop5h 31mDelta
Deal found 12/22$307
This Delta deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:10 amSTL - LGA
Nonstop2h 27mDelta
Sat 12/277:25 pmLGA - STL
Nonstop2h 54mDelta
Deal found 12/22$311
This United Airlines deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/257:00 amSTL - EWR
Nonstop2h 34mUnited Airlines
Wed 12/319:59 pmEWR - STL
Nonstop2h 58mUnited Airlines
Deal found 12/21$311
This American Airlines deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:53 pmSTL - EWR
1 stop4h 41mAmerican Airlines
Sat 1/37:30 pmEWR - STL
1 stop5h 26mAmerican Airlines
Deal found 12/21$313

Find 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 December 23, 2025.

Round-trip from

$127
(Kiwi.com)

One-way from

$61
(Trip.com)

Popular in

February

Cheapest in

September

Average price

$426
From Lambert-St Louis to Connecticut
Search Deals
One-way flight from Lambert-St Louis to Connecticut
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($47 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 23, 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 1/10

7:43 pm-10:00 am

2 stops13h 17m

Newark

Mon 1/12

11:05 am-10:33 pm

1 stop12h 28m

$212

St. LouisHartford

STL - BDL

STLBDL

Lambert-St Louis

Mon 1/12

8:50 am-7:24 pm

1 stop9h 34m

Hartford Bradley Intl

Thu 1/15

5:56 pm-10:34 pm

1 stop29h 38m

$213

St. LouisHartford

STL - BDL

STLBDL

Lambert-St Louis

Mon 1/12

8:50 am-6:33 pm

2 stops8h 43m

Hartford Bradley Intl

Thu 1/15

5:56 pm-7:54 am

1 stop14h 58m

$253

St. LouisHartford

STL - BDL

STLBDL

Lambert-St Louis

Fri 2/6

5:42 pm-7:06 pm

1 stop24h 24m

Hartford Bradley Intl

Sun 2/8

2:04 pm-11:33 pm

2 stops10h 29m

$260

St. LouisNew York

STL - LGA

STLLGA

Lambert-St Louis

Sat 1/31

7:25 am-10:49 am

Nonstop2h 24m

New York LaGuardia

Mon 2/2

6:30 am-8:34 am

Nonstop3h 04m

$267

St. LouisNew York

STL - LGA

STLLGA

Lambert-St Louis

Tue 2/24

1:13 pm-4:35 pm

Nonstop2h 22m

New York LaGuardia

Fri 2/27

6:55 am-8:57 am

Nonstop3h 02m

$267

St. LouisNew York

STL - LGA

STLLGA

Lambert-St Louis

Sat 1/17

5:45 pm-9:05 pm

Nonstop2h 20m

New York LaGuardia

Sun 1/18

7:20 am-4:50 pm

2 stops10h 30m

$271

St. LouisNew York

STL - LGA

STLLGA

Lambert-St Louis

Fri 1/23

7:50 pm-11:05 pm

Nonstop2h 15m

New York LaGuardia

Sat 1/24

6:00 am-12:55 pm

1 stop7h 55m

$272

St. LouisNew York

STL - JFK

STLJFK

Lambert-St Louis

Fri 2/20

8:20 pm-11:58 am

1 stop14h 38m

New York John F Kennedy Intl

Mon 2/23

4:29 pm-11:59 pm

1 stop8h 30m

$272

St. LouisNew York

STL - LGA

STLLGA

Lambert-St Louis

Thu 1/15

6:25 am-9:54 am

Nonstop2h 29m

New York LaGuardia

Tue 2/3

6:30 am-8:34 am

Nonstop3h 04m

$273

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

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 $322). 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 December 23, 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 December 23, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and American 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
4,253 reviews

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,253 reviews
Southwest
8.0
Very good
4,253 reviews

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,014 reviews
Southwest
8.0
Very good
4,253 reviews

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,054 reviews
Southwest
8.0
Very good
4,253 reviews

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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 20m. Fly via Frontier, Delta, or Southwest 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 American Airlines, with whom users have recently found tickets for as low as $121. However, be on the lookout for offers from Southwest and Delta, 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 LaGuardia or Lambert-St Louis - New York John F Kennedy Intl, Lambert-St Louis - Newark 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 $322). 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 3 airlines flying from St. Louis to Connecticut

Discover the top 3 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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$242Average$352FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$246Average$386FlexibilityNo cancel feeOn-time63%
DeltaCheapest$270Average$373FlexibilityNo cancel feeOn-timeN/A

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