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$89+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — STL
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Round-trip from

$187
(Southwest)

One-way from

$89
(Delta)
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 March 28, 2025.

This Southwest deal was found by Cheapflights users on 3/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/246:30 amLGA - STL
1 stop6h 50mSouthwest
Mon 4/289:40 amSTL - LGA
Nonstop2h 25mSouthwest
Deal found 3/27$187
This United Airlines deal was found by Cheapflights users on 3/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2411:25 amLGA - STL
1 stop5h 22mUnited Airlines
Mon 4/283:40 pmSTL - LGA
1 stop5h 08mUnited Airlines
Deal found 3/27$192
This American Airlines deal was found by Cheapflights users on 3/27. 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.
Thu 4/243:25 pmJFK - STL
1 stop4h 58mAmerican Airlines
Mon 4/285:00 amSTL - JFK
1 stop4h 30mAmerican Airlines
Deal found 3/27$196
This Delta deal was found by Cheapflights users on 3/26. 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 5/16:59 pmLGA - STL
Nonstop2h 52mDelta
Thu 5/86:00 amSTL - LGA
Nonstop2h 28mDelta
Deal found 3/26$197
This Delta deal was found by Cheapflights users on 3/26. 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 4/224:10 pmJFK - STL
1 stop6h 26mDelta
Tue 4/297:10 amSTL - JFK
1 stop5h 11mDelta
Deal found 3/26$197
This CheapOair deal was found by Cheapflights users on 3/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2410:00 pmLGA - STL
1 stop27h 04mFrontier
Mon 4/285:41 pmSTL - LGA
1 stop26h 18mFrontier
Deal found 3/28$200
This CheapOair deal was found by Cheapflights users on 3/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2511:03 amJFK - STL
1 stop14h 01mFrontier
Fri 5/29:55 pmSTL - JFK
1 stop30h 35mFrontier
Deal found 3/27$200
This Mytrip deal was found by Cheapflights users on 3/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/16:00 amLGA - STL
1 stop12h 15mMultiple Airlines
Sun 5/412:15 pmSTL - LGA
2 stops19h 45mMultiple Airlines
Deal found 3/27$214
This American Airlines deal was found by Cheapflights users on 3/27. 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 4/19:30 amLGA - STL
Nonstop2h 53mAmerican Airlines
Wed 4/2312:03 pmSTL - LGA
Nonstop2h 26mAmerican Airlines
Deal found 3/27$226
This Mytrip deal was found by Cheapflights users on 3/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/195:30 amEWR - STL
2 stops31h 15mMultiple Airlines
Tue 4/229:50 amSTL - EWR
2 stops12h 07mMultiple Airlines
Deal found 3/27$253
This United Airlines deal was found by Cheapflights users on 3/26. 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.
Tue 6/107:29 pmEWR - STL
Nonstop2h 56mUnited Airlines
Sun 6/157:20 amSTL - EWR
Nonstop2h 33mUnited Airlines
Deal found 3/26$254
This Delta deal was found by Cheapflights users on 3/26. 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 5/15:55 amEWR - STL
1 stop4h 33mDelta
Sat 5/34:15 pmSTL - EWR
1 stop5h 48mDelta
Deal found 3/26$260

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 March 28, 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

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Thu 4/24

6:30 am-12:20 pm

1 stop6h 50m

Lambert-St Louis

Mon 4/28

9:40 am-1:05 pm

Nonstop2h 25m

$187

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Thu 4/24

11:25 am-3:47 pm

1 stop5h 22m

Lambert-St Louis

Mon 4/28

3:40 pm-9:48 pm

1 stop5h 08m

$192

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Thu 4/24

3:25 pm-7:23 pm

1 stop4h 58m

Lambert-St Louis

Mon 4/28

5:00 am-10:30 am

1 stop4h 30m

$196

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Thu 5/1

6:59 pm-8:51 pm

Nonstop2h 52m

Lambert-St Louis

Wed 5/7

6:00 am-9:28 am

Nonstop2h 28m

$197

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Tue 4/22

4:10 pm-9:36 pm

1 stop6h 26m

Lambert-St Louis

Tue 4/29

7:10 am-1:21 pm

1 stop5h 11m

$197

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Thu 4/24

10:00 pm-12:04 am

1 stop27h 04m

Lambert-St Louis

Mon 4/28

5:41 pm-8:59 pm

1 stop26h 18m

$200

New YorkSt. Louis

JFK - STL

JFKSTL

New York John F Kennedy Intl

Fri 4/25

11:03 am-12:04 am

1 stop14h 01m

Lambert-St Louis

Fri 5/2

9:55 pm-5:30 am

1 stop30h 35m

$200

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Thu 5/1

6:00 am-5:15 pm

1 stop12h 15m

Lambert-St Louis

Sun 5/4

12:15 pm-9:00 am

2 stops19h 45m

$214

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Mon 4/21

6:00 am-9:52 am

1 stop4h 52m

Lambert-St Louis

Fri 4/25

5:00 pm-8:28 pm

Nonstop2h 28m

$237

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Sat 4/19

5:30 am-11:45 am

2 stops31h 15m

Lambert-St Louis

Tue 4/22

9:50 am-10:57 pm

2 stops12h 07m

$253

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 60 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 March 28, 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 March 28, 2025.
To help decide which airline to fly from Connecticut to St. Louis, see what other customers have to say about Southwest, Alaska Airlines and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,274 reviews

Boarding

8.2

Comfort

8.1

Food

7.1

Entertainment

7.6

Overall

8.1

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,274 reviews
Southwest
8.1
Very good
4,274 reviews

Boarding

8.2

Comfort

8.1

Food

7.1

Entertainment

7.6

Overall

8.1

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Alaska Airlines
8.0
Very good
9,798 reviews
Southwest
8.1
Very good
4,274 reviews

Boarding

8.2

Comfort

8.1

Food

7.1

Entertainment

7.6

Overall

8.1

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,897 reviews
Southwest
8.1
Very good
4,274 reviews

Boarding

8.2

Comfort

8.1

Food

7.1

Entertainment

7.6

Overall

8.1

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,274 reviews

Boarding

8.2

Comfort

8.1

Food

7.1

Entertainment

7.6

Overall

8.1

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,274 reviews

Boarding

8.2

Comfort

8.1

Food

7.1

Entertainment

7.6

Overall

8.1

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 Delta. According to our data, you can fly for as low as $89. Users have also found prices from $89 and $90 on United Airlines and Spirit Airlines, 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 John F Kennedy Intl - Lambert-St Louis or New York LaGuardia - 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
Fenton
Fairview Heights
Maryland Heights
Collinsville
Wentzville
Eureka
St. Peters
Festus
Glencoe
Alton
Farmington
Chesterfield

Browse thousands of different options on Cheapflights for your next trip

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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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John F Kennedy Intl to Kansas City flights
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Denver to Springfield flights
Orlando 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$108Average$196FlexibilityNo cancel feeOn-time62%
Avelo AirlinesCheapest$138Average$158FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$274Average$369FlexibilityNo cancel feeOn-time71%
DeltaCheapest$276Average$373FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$290Average$395FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$339Average$497FlexibilityNo cancel feeOn-time69%
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