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St. Louis

$60+ Cheap flights from Connecticut to St. Louis (STL)

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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — STL
ago. 5 — ago. 121
mar. 8/5
mar. 8/12
1 adult, Economy
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Cheap 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 julio 31, 2025.

Round-trip from

$142
(CheapOair)

One-way from

$60
(CheapOair)
From Connecticut to Lambert-St Louis
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One-way flight from Connecticut to Lambert-St Louis
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Find flight deals from Connecticut to St. Louis

Cheapest flights from Connecticut to St. Louis
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 julio 31, 2025.

This CheapOair deal was found by Cheapflights users on 7/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/46:10 amBDL - STL
1 stop5h 40mSpirit Airlines
dom. 9/712:05 pmSTL - BDL
1 stop9h 42mSpirit Airlines
Deal found 7/29$142
This Booking.com deal was found by Cheapflights users on 7/29. 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.
vie. 8/1510:00 amEWR - STL
1 stop4h 32mSpirit Airlines
lun. 8/182:30 pmSTL - EWR
1 stop5h 30mSpirit Airlines
Deal found 7/29$181
This Southwest deal was found by Cheapflights users on 7/30. 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.
vie. 9/267:15 amLGA - STL
1 stop7h 10mSouthwest
dom. 9/286:20 amSTL - LGA
Nonstop2h 25mSouthwest
Deal found 7/30$207
This United Airlines deal was found by Cheapflights users on 7/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/129:48 pmEWR - STL
Nonstop2h 56mUnited Airlines
dom. 9/145:30 pmSTL - EWR
1 stop6h 00mUnited Airlines
Deal found 7/29$207
This Delta deal was found by Cheapflights users on 7/30. 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.
mié. 10/16:00 amJFK - STL
1 stop7h 21mDelta
lun. 10/64:10 pmSTL - JFK
Nonstop2h 47mDelta
Deal found 7/30$207
This American Airlines deal was found by Cheapflights users on 7/30. 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.
mié. 9/102:11 pmLGA - STL
1 stop8h 42mAmerican Airlines
lun. 9/1510:15 amSTL - LGA
Nonstop2h 28mAmerican Airlines
Deal found 7/30$212
This FlightHub deal was found by Cheapflights users on 7/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/146:35 amLGA - STL
1 stop7h 57mSpirit Airlines
vie. 8/152:30 pmSTL - LGA
1 stop19h 38mSpirit Airlines
Deal found 7/31$215
This American Airlines deal was found by Cheapflights users on 7/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/1811:59 amJFK - STL
1 stop4h 47mAmerican Airlines
lun. 9/228:23 amSTL - JFK
1 stop5h 07mAmerican Airlines
Deal found 7/29$216
This Delta deal was found by Cheapflights users on 7/30. 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.
mié. 8/279:20 amLGA - STL
Nonstop2h 50mDelta
mié. 9/33:10 pmSTL - LGA
Nonstop2h 33mDelta
Deal found 7/30$217
This Delta deal was found by Cheapflights users on 7/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/316:00 amEWR - STL
1 stop4h 37mDelta
lun. 11/35:15 pmSTL - EWR
1 stop6h 44mDelta
Deal found 7/29$217
This Frontier deal was found by Cheapflights users on 7/31. 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.
mar. 8/1210:55 pmLGA - STL
1 stop11h 16mFrontier
sáb. 8/162:52 pmSTL - LGA
1 stop7h 40mFrontier
Deal found 7/31$218
This Frontier deal was found by Cheapflights users on 7/31. 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.
jue. 9/185:55 amEWR - STL
1 stop10h 09mFrontier
dom. 9/214:00 pmSTL - EWR
1 stop7h 34mFrontier
Deal found 7/31$218

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 2,558,603 searches. Data last updated julio 31, 2025.
Use the filters below to find and compare flights from Connecticut to St. Louis that are best for you.

Fly from

Connecticut

Fly to

St. Louis

Route

Depart

Return

Price

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

jue. 9/4

6:10 am-10:50 am

1 stop5h 40m

Lambert-St Louis

dom. 9/7

12:05 pm-10:47 pm

1 stop9h 42m

$142

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

vie. 8/15

10:00 am-1:32 pm

1 stop4h 32m

Lambert-St Louis

lun. 8/18

2:30 pm-9:00 pm

1 stop5h 30m

$181

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

vie. 9/26

7:15 am-1:25 pm

1 stop7h 10m

Lambert-St Louis

dom. 9/28

6:20 am-9:45 am

Nonstop2h 25m

$207

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

vie. 9/12

9:48 pm-11:44 pm

Nonstop2h 56m

Lambert-St Louis

dom. 9/14

5:30 pm-12:30 am

1 stop6h 00m

$207

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

mié. 10/1

2:55 pm-4:48 pm

Nonstop2h 53m

Lambert-St Louis

sáb. 10/4

5:27 pm-11:39 pm

1 stop5h 12m

$207

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

mié. 9/10

1:01 pm-2:44 pm

Nonstop2h 43m

Lambert-St Louis

sáb. 9/13

7:23 am-4:14 pm

1 stop7h 51m

$212

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

jue. 8/14

6:35 am-1:32 pm

1 stop7h 57m

Lambert-St Louis

vie. 8/15

2:30 pm-11:08 am

1 stop19h 38m

$215

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

jue. 9/18

11:59 am-3:46 pm

1 stop4h 47m

Lambert-St Louis

lun. 9/22

8:23 am-2:30 pm

1 stop5h 07m

$216

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

mié. 8/27

9:20 am-11:10 am

Nonstop2h 50m

Lambert-St Louis

mié. 9/3

3:10 pm-6:43 pm

Nonstop2h 33m

$217

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

vie. 10/31

8:05 am-2:43 pm

1 stop7h 38m

Lambert-St Louis

mar. 11/4

3:59 pm-11:56 pm

1 stop6h 57m

$217

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 53 results
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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.
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

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

Currently, August is the cheapest month in which you can book a flight from Connecticut to St. Louis (average of $311). Flying from Connecticut to St. Louis in March is currently the most expensive (average of $356). 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 CT to STL?

Find hourly flight availability from Connecticut to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated julio 31, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Connecticut to St. Louis as you normally would.

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

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated julio 31, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Connecticut to St. Louis. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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.

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

    Located just 12.7 mi from the city center, Lambert-St Louis (STL) is the airport most travelers will use when flying to St. Louis from Connecticut.

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

    For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $60. Users have also found prices from $99 and $105 on United Airlines and Frontier, respectively.

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

    When deciding which route to take from Connecticut to St. Louis consider Newark - Lambert-St Louis, New York LaGuardia - Lambert-St Louis or New York John F Kennedy Intl - Lambert-St Louis as they are the most popular.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Connecticut to St. Louis 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 Connecticut to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Connecticut to St. Louis (average of $311). Flying from Connecticut to St. Louis in March is currently the most expensive (average of $356). 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

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
O'Fallon
Maryland Heights
Fairview Heights
Collinsville
Eureka
St. Peters
Glencoe
Alton
Chesterfield
Festus
Farmington

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Alternative routes for Connecticut to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
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LaGuardia to Kansas City flights
John F Kennedy Intl to Kansas City flights
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Sky Harbor Intl to Kansas City flights

Top 6 airlines flying from Connecticut to St. Louis

Discover the top 6 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 2,558,603 searches. Data last updated julio 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$120Average$196FlexibilityNo cancel feeOn-time62%
Avelo AirlinesCheapest$136Average$183FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$246Average$389FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$276Average$371FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$294Average$411FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$366Average$626FlexibilityNo cancel feeOn-time69%

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