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St. Louis

$66+ 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — STL
Jun 19 — Jun 261
Thu 6/19
Thu 6/26
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 June 14, 2025.

Round-trip from

$165
(Booking.com)

One-way from

$66
(FlightHub)
From Connecticut to Lambert-St Louis
Search Deals
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 June 14, 2025.

This Booking.com deal was found by Cheapflights users on 6/13. 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 8/146:45 amBDL - STL
1 stop7h 47mSpirit Airlines
Mon 8/182:27 pmSTL - BDL
1 stop7h 39mSpirit Airlines
Deal found 6/13$165
This Mytrip deal was found by Cheapflights users on 6/12. 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.
Thu 7/36:30 amLGA - STL
1 stop11h 34mSpirit Airlines
Sun 7/66:36 pmSTL - LGA
2 stops26h 40mSpirit Airlines
Deal found 6/12$236
This Mytrip deal was found by Cheapflights users on 6/12. 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.
Sat 7/125:45 amEWR - STL
1 stop9h 54mSpirit Airlines
Sun 7/1310:47 amSTL - EWR
2 stops22h 43mSpirit Airlines
Deal found 6/12$237
This FlightHub deal was found by Cheapflights users on 6/13. 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.
Thu 10/99:00 amJFK - STL
1 stop26h 07mFrontier
Sun 10/1211:02 amSTL - JFK
1 stop12h 31mFrontier
Deal found 6/13$237
This American Airlines deal was found by Cheapflights users on 6/12. 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 7/165:00 pmJFK - STL
1 stop7h 59mAmerican Airlines
Mon 8/45:15 amSTL - JFK
1 stop7h 24mAmerican Airlines
Deal found 6/12$239
This Delta deal was found by Cheapflights users on 6/12. 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 8/126:59 amLGA - STL
1 stop8h 42mDelta
Mon 8/189:16 amSTL - LGA
Nonstop2h 28mDelta
Deal found 6/12$240
This Mytrip deal was found by Cheapflights users on 6/13. 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.
Sat 6/282:18 pmEWR - STL
2 stops29h 23mMultiple Airlines
Mon 6/307:13 pmSTL - EWR
1 stop25h 50mMultiple Airlines
Deal found 6/13$242
This Delta deal was found by Cheapflights users on 6/12. 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 8/138:00 amJFK - STL
1 stop5h 31mDelta
Sat 8/233:36 pmSTL - JFK
1 stop5h 55mDelta
Deal found 6/12$242
This American Airlines deal was found by Cheapflights users on 6/12. 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 9/106:36 amBDL - STL
1 stop14h 56mAmerican Airlines
Tue 9/169:56 amSTL - BDL
1 stop11h 00mAmerican Airlines
Deal found 6/12$243
This FlightHub deal was found by Cheapflights users on 6/13. 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.
Sat 7/129:24 pmLGA - STL
1 stop13h 28mMultiple Airlines
Sun 7/137:54 pmSTL - LGA
1 stop24h 05mMultiple Airlines
Deal found 6/13$244
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Fri 8/225:43 pmEWR - STL
Nonstop2h 56mUnited Airlines
Mon 8/256:00 amSTL - EWR
Nonstop2h 36mUnited Airlines
Deal found 6/12$245
This Delta deal was found by Cheapflights users on 6/13. 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 8/512:00 pmEWR - STL
1 stop5h 18mDelta
Wed 8/136:40 amSTL - EWR
1 stop4h 23mDelta
Deal found 6/13$252

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 June 14, 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

Thu 8/14

6:45 am-1:32 pm

1 stop7h 47m

Lambert-St Louis

Mon 8/18

2:27 pm-11:06 pm

1 stop7h 39m

$165

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Thu 7/3

6:30 am-5:04 pm

1 stop11h 34m

Lambert-St Louis

Sun 7/6

6:36 pm-10:16 pm

2 stops26h 40m

$236

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Thu 10/9

9:00 am-10:07 am

1 stop26h 07m

Lambert-St Louis

Sun 10/12

11:02 am-12:33 am

1 stop12h 31m

$237

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Sat 7/12

5:45 am-2:39 pm

1 stop9h 54m

Lambert-St Louis

Sun 7/13

10:47 am-10:30 am

2 stops22h 43m

$237

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Wed 7/16

5:00 pm-11:59 pm

1 stop7h 59m

Lambert-St Louis

Mon 8/4

5:15 am-1:39 pm

1 stop7h 24m

$239

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Tue 8/12

6:59 am-2:41 pm

1 stop8h 42m

Lambert-St Louis

Mon 8/18

9:16 am-12:44 pm

Nonstop2h 28m

$240

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Sat 6/28

2:18 pm-6:41 pm

2 stops29h 23m

Lambert-St Louis

Mon 6/30

7:13 pm-10:03 pm

1 stop25h 50m

$242

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Wed 8/13

8:00 am-12:31 pm

1 stop5h 31m

Lambert-St Louis

Sat 8/23

3:36 pm-10:31 pm

1 stop5h 55m

$242

HartfordSt. Louis

BDL - STL

BDLSTL

Hartford Bradley Intl

Wed 9/10

6:36 am-8:32 pm

1 stop14h 56m

Lambert-St Louis

Tue 9/16

9:56 am-9:56 pm

1 stop11h 00m

$243

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Sat 7/12

9:24 pm-9:52 am

1 stop13h 28m

Lambert-St Louis

Sun 7/13

7:54 pm-8:59 pm

1 stop24h 05m

$244

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/13

Showing 1-10 of 56 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 June 14, 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.

Rainfall in St. Louis by month

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

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

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

If weather is an important factor for your trip to St. Louis, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

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 June 14, 2025.
To help decide which airline to fly from Connecticut to St. Louis, see what other customers have to say about Alaska Airlines, Southwest and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Food

7.1

Boarding

8.1

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
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Food

7.1

Boarding

8.1

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
4,283 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Food

7.1

Boarding

8.1

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
7,956 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Food

7.1

Boarding

8.1

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
8,793 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Food

7.1

Boarding

8.1

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
10,000 reviews

Overall

8.0

Comfort

7.8

Food

7.1

Boarding

8.1

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 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 $66. Users have also found prices from $99 and $114 on United Airlines and Southwest, 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 Connecticut?

Book flights to Connecticut if you plan to visit one of these locations
O'Fallon
Maryland Heights
Fairview Heights
Collinsville
Eureka
St. Peters
Glencoe
Festus
Alton
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.
Newark to St. Louis flights
Newark to Kansas City flights
John F Kennedy Intl to Kansas City flights
LaGuardia to St. Louis flights
LaGuardia to Kansas City flights
Denver to St. Louis flights
Dulles Intl to Kansas City flights
Dulles Intl to St. Louis flights
John F Kennedy Intl to St. Louis flights
O'Hare Intl to Kansas City flights
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Los Angeles to Kansas City flights
Seattle to Kansas City flights
San Francisco to St. Louis flights
O'Hare Intl to St. Louis flights
Reagan-National to Kansas City flights
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Hobby to Kansas City flights
Seattle to St. Louis flights
Los Angeles to St. Louis flights
Hobby to St. Louis flights
Boston to St. Louis flights
Salt Lake City to Kansas City flights
Baltimore to Kansas City flights
Atlanta to Kansas City flights
Philadelphia to Kansas City flights
Minneapolis to St. Louis flights
George Bush Intcntl to Kansas City flights
San Francisco to Kansas City flights
George Bush Intcntl to St. Louis flights
Dallas/Fort Worth to Kansas City flights
Denver to Kansas City flights
Reagan-National to St. Louis flights
Sky Harbor Intl to Kansas City flights
Philadelphia to St. Louis flights
Detroit to Kansas City flights
Portland to Kansas City flights
Minneapolis to Kansas City flights
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Sky Harbor Intl to St. Louis flights
Denver to Springfield flights
Ontario to St. Louis flights
Salt Lake City to St. Louis flights
Midway to Kansas City flights
Raleigh to Kansas City flights
Miami to St. Louis flights
Tampa 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 June 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$120Average$226FlexibilityNo cancel feeOn-time62%
Avelo AirlinesCheapest$138Average$155FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$268Average$389FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$276Average$376FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$294Average$412FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$339Average$605FlexibilityNo cancel feeOn-time69%

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