HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Connecticut

$103+ 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 6/21. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BDL
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to Connecticut 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 St. Louis to Connecticut

Keep the following information in mind while searching for St. Louis to Connecticut flight deals. Data was last updated April 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$189
(Booking.com)

One-way from

$103
(Trip.com)
Provider with most accurate pricing for Lambert-St Louis-Springfield (SFY) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Springfield (SFY) flights.
Search Deals
From Lambert-St Louis to Connecticut
Search Deals
One-way flight from Lambert-St Louis to Connecticut
Search Deals

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 April 30, 2025.

This Booking.com deal was found by Cheapflights users on 4/29. 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.
Tue 5/65:45 pmSTL - JFK
1 stop15h 40mFrontier
Tue 5/136:59 amJFK - STL
1 stop18h 07mFrontier
Deal found 4/29$198
This Booking.com deal was found by Cheapflights users on 4/28. 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.
Sat 5/35:45 pmSTL - BDL
1 stop15h 53mFrontier
Sat 5/1012:26 pmBDL - STL
1 stop12h 40mFrontier
Deal found 4/28$208
This Booking.com deal was found by Cheapflights users on 4/29. 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.
Wed 5/75:45 pmSTL - LGA
1 stop26h 14mFrontier
Sun 5/1110:00 pmLGA - STL
1 stop27h 06mFrontier
Deal found 4/29$218
This Delta deal was found by Cheapflights users on 4/28. 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 5/286:45 pmSTL - LGA
Nonstop2h 30mDelta
Thu 5/296:59 pmLGA - STL
Nonstop2h 49mDelta
Deal found 4/28$221
This Southwest deal was found by Cheapflights users on 4/28. 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 6/37:45 pmSTL - LGA
Nonstop2h 25mSouthwest
Wed 6/116:05 amLGA - STL
1 stop7h 05mSouthwest
Deal found 4/28$231
This Delta deal was found by Cheapflights users on 4/28. 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 6/33:40 pmSTL - JFK
1 stop5h 20mDelta
Wed 6/118:30 amJFK - STL
1 stop5h 05mDelta
Deal found 4/28$241
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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.
Fri 9/58:44 amSTL - LGA
1 stop5h 46mSpirit Airlines
Sat 9/139:27 pmLGA - STL
1 stop11h 22mSpirit Airlines
Deal found 4/29$244
This American Airlines deal was found by Cheapflights users on 4/27. 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.
Tue 5/136:00 pmSTL - LGA
Nonstop2h 25mAmerican Airlines
Wed 5/288:53 amLGA - STL
Nonstop2h 50mAmerican Airlines
Deal found 4/27$248
This Booking.com deal was found by Cheapflights users on 4/28. 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.
Thu 6/510:10 amSTL - LGA
1 stop12h 14mMultiple Airlines
Sun 6/810:59 pmLGA - STL
1 stop11h 13mMultiple Airlines
Deal found 4/28$250
This Mytrip deal was found by Cheapflights users on 4/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/136:12 pmSTL - BDL
1 stop19h 27mSpirit Airlines
Sun 6/1510:14 amBDL - STL
1 stop7h 50mSpirit Airlines
Deal found 4/29$251
This American Airlines deal was found by Cheapflights users on 4/28. 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.
Sat 6/285:30 amSTL - JFK
1 stop7h 09mAmerican Airlines
Thu 7/37:59 amJFK - STL
1 stop5h 00mAmerican Airlines
Deal found 4/28$257
This Delta deal was found by Cheapflights users on 4/28. 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 10/147:20 amSTL - BDL
1 stop4h 57mDelta
Wed 10/225:05 pmBDL - STL
1 stop7h 34mDelta
Deal found 4/28$271

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 April 30, 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. LouisNew York

STL - JFK

STLJFK

Lambert-St Louis

Sat 5/17

5:45 pm-10:25 am

1 stop15h 40m

New York John F Kennedy Intl

Sat 5/24

6:59 am-11:44 pm

1 stop17h 45m

$208

St. LouisHartford

STL - BDL

STLBDL

Lambert-St Louis

Thu 5/15

5:45 pm-10:38 am

1 stop15h 53m

Hartford Bradley Intl

Mon 5/19

8:14 pm-11:44 pm

1 stop28h 30m

$211

St. LouisNew York

STL - LGA

STLLGA

Lambert-St Louis

Wed 5/28

6:45 pm-10:15 pm

Nonstop2h 30m

New York LaGuardia

Thu 5/29

6:59 pm-8:48 pm

Nonstop2h 49m

$221

St. LouisNew York

STL - LGA

STLLGA

Lambert-St Louis

Fri 5/9

5:55 pm-8:59 pm

1 stop26h 04m

New York LaGuardia

Sun 5/11

10:00 pm-12:06 am

1 stop27h 06m

$228

St. LouisNew York

STL - LGA

STLLGA

Lambert-St Louis

Tue 6/3

7:45 pm-11:10 pm

Nonstop2h 25m

New York LaGuardia

Wed 6/11

6:05 am-12:10 pm

1 stop7h 05m

$231

St. LouisNew York

STL - LGA

STLLGA

Lambert-St Louis

Wed 5/28

9:50 am-4:20 pm

1 stop5h 30m

New York LaGuardia

Wed 6/4

11:25 am-3:30 pm

1 stop5h 05m

$236

St. LouisNew York

STL - JFK

STLJFK

Lambert-St Louis

Tue 6/3

3:40 pm-10:00 pm

1 stop5h 20m

New York John F Kennedy Intl

Wed 6/11

8:30 am-12:35 pm

1 stop5h 05m

$241

St. LouisNew York

STL - LGA

STLLGA

Lambert-St Louis

Fri 9/5

8:44 am-3:30 pm

1 stop5h 46m

New York LaGuardia

Sat 9/13

9:27 pm-7:49 am

1 stop11h 22m

$244

St. LouisNew York

STL - LGA

STLLGA

Lambert-St Louis

Tue 5/13

6:00 pm-9:25 pm

Nonstop2h 25m

New York LaGuardia

Wed 5/28

8:53 am-10:43 am

Nonstop2h 50m

$248

St. LouisNew York

STL - LGA

STLLGA

Lambert-St Louis

Thu 6/5

10:10 am-11:24 pm

1 stop12h 14m

New York LaGuardia

Sun 6/8

10:59 pm-9:12 am

1 stop11h 13m

$250

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 60 results
1
2
3
...
6

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 June is currently the most expensive (average of $357). 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 April 30, 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.

Rainfall in Connecticut by month

Plan your trip to Connecticut by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Connecticut ranges from 3.1 - 4.1 inches per month. September is typically the wettest month, when rainfall can reach 4.1 in. February is typically the driest time to visit Connecticut when rainfall is around 3.1 in.

Temperature in Connecticut by month

Plan your trip to Connecticut by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Connecticut, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

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 April 30, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from St. Louis to Connecticut. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,295 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,936 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • 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 $103. However, be on the lookout for offers from Southwest 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 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, 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 June is currently the most expensive (average of $357). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Connecticut

See prices for flight routes from nearby airports that may be better suited for you.
St. Louis to Seattle flights
Kansas City to Seattle flights
St. Louis to Las Vegas flights
Kansas City to Denver flights
Kansas City to Las Vegas flights
St. Louis to Denver flights
Kansas City to Newark flights
Kansas City to O'Hare Intl flights
St. Louis to Newark flights
St. Louis to Orlando flights
Kansas City to John F Kennedy Intl flights
St. Louis to Miami flights
St. Louis to LaGuardia flights
St. Louis to Dallas/Fort Worth flights
Kansas City to Miami flights
St. Louis to John F Kennedy Intl flights
Kansas City to Orlando flights
Kansas City to LaGuardia flights
Kansas City to San Francisco flights
St. Louis to Los Angeles flights
Kansas City to Portland flights
Kansas City to Boston flights
St. Louis to Boston flights
Kansas City to Hobby flights
St. Louis to Dulles Intl flights
Kansas City to Dallas/Fort Worth flights
St. Louis to O'Hare Intl flights
Kansas City to George Bush Intcntl flights
St. Louis to Hobby flights
Kansas City to Sky Harbor Intl flights
Kansas City to Atlanta flights
Kansas City to Los Angeles flights
St. Louis to Sky Harbor Intl flights
Kansas City to Tampa flights
Kansas City to Fort Lauderdale flights
St. Louis to George Bush Intcntl flights
St. Louis to Minneapolis flights
St. Louis to San Francisco flights
St. Louis to Salt Lake City flights
St. Louis to Baltimore flights
Kansas City to Midway flights
St. Louis to Philadelphia flights
St. Louis to Portland flights
St. Louis to Tampa flights
St. Louis to San Diego flights
Kansas City to Dulles Intl flights
Kansas City to San Diego flights
Kansas City to Minneapolis flights
Kansas City to Philadelphia flights
St. Louis to Honolulu flights

Top 5 airlines flying from St. Louis to Connecticut

Discover the top 5 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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Avelo AirlinesCheapest$77Average$152FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$243Average$347FlexibilityNo cancel feeOn-time71%
DeltaCheapest$270Average$379FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$316Average$391FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$356Average$581FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.