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St. Louis

$124+ Cheap flights from LaGuardia, NY (LGA) 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 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — STL
Nov 19 — Nov 261
Wed 11/19
Wed 11/26
1 adult, Economy
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Cheapflights Tip: The best prices from New York LaGuardia to Lambert-St Louis are usually found in March or August, booked 85 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from LaGuardia to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from LaGuardia (LGA) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$241
(Delta)

One-way from

$124
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$322

Good round-trip deal

$295 or less

Good one-way deal

$151 or less
Provider with most accurate pricing for New York LaGuardia-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for New York LaGuardia-Lambert-St Louis flights.
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From New York LaGuardia to Lambert-St Louis
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One-way flight from New York LaGuardia to Lambert-St Louis
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Highest demand for flights based on searches. 11% potential increase in price ($45 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from New York LaGuardia to Lambert-St Louis.
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Price to beat on a one-way flight from New York LaGuardia to Lambert-St Louis.
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Find flight deals from LaGuardia to St. Louis

Cheapest flights from LaGuardia to St. Louis
Explore the most affordable flight options available from LaGuardia to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 20, 2025.

This Trip.com deal was found by Cheapflights users on 10/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/146:21 amLGA - STL
1 stop10h 40mFrontier
Sun 11/162:12 pmSTL - LGA
1 stop24h 47mFrontier
Deal found 10/19$241
This Kiwi.com deal was found by Cheapflights users on 10/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1810:55 pmLGA - STL
1 stop11h 12mFrontier
Fri 11/214:13 pmSTL - LGA
1 stop26h 22mFrontier
Deal found 10/19$242
This Southwest deal was found by Cheapflights users on 10/20. 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 12/46:30 pmLGA - STL
Nonstop2h 50mSouthwest
Mon 12/812:50 pmSTL - LGA
Nonstop2h 20mSouthwest
Deal found 10/20$243
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/11:20 pmLGA - STL
2 stops21h 47mMultiple Airlines
Sun 11/22:12 pmSTL - LGA
1 stop17h 48mMultiple Airlines
Deal found 10/20$244
This Kiwi.com deal was found by Cheapflights users on 10/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/98:29 amLGA - STL
2 stops15h 04mMultiple Airlines
Thu 12/112:57 pmSTL - LGA
1 stop7h 45mMultiple Airlines
Deal found 10/18$245
This Mytrip deal was found by Cheapflights users on 10/20. 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.
Wed 11/1912:30 pmLGA - STL
1 stop11h 31mFrontier
Fri 11/214:13 pmSTL - LGA
1 stop26h 22mFrontier
Deal found 10/20$247
This Kiwi.com deal was found by Cheapflights users on 10/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/226:46 pmLGA - STL
1 stop16h 17mMultiple Airlines
Mon 11/244:13 pmSTL - LGA
1 stop15h 47mMultiple Airlines
Deal found 10/19$248
This Kiwi.com deal was found by Cheapflights users on 10/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/511:59 amLGA - STL
1 stop30h 58mMultiple Airlines
Fri 11/74:56 pmSTL - LGA
1 stop5h 31mMultiple Airlines
Deal found 10/19$249
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/18:56 pmLGA - STL
1 stop16h 13mFrontier
Tue 11/47:45 pmSTL - LGA
2 stops14h 44mFrontier
Deal found 10/20$250
This Southwest deal was found by Cheapflights users on 10/20. 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 12/256:05 amLGA - STL
1 stop6h 20mSouthwest
Wed 12/314:25 pmSTL - LGA
1 stop4h 55mSouthwest
Deal found 10/20$251
This Delta deal was found by Cheapflights users on 10/20. 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 12/308:00 amLGA - STL
1 stop7h 30mDelta
Wed 1/76:00 amSTL - LGA
Nonstop2h 29mDelta
Deal found 10/20$254

Cheapflights Fare Finder

 
Customize your flight search to find flights from LaGuardia 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 October 20, 2025.
Use the filters below to find and compare flights from New York LaGuardia Airport to St. Louis that are best for you.

Fly from

LaGuardia

Fly to

St. Louis

Route

Depart

Return

Price

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Thu 12/11

10:45 am-12:40 pm

Nonstop2h 55m

Lambert-St Louis

Sat 12/13

1:15 pm-4:44 pm

Nonstop2h 29m

$267

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Sat 11/22

6:55 pm-8:50 pm

Nonstop2h 55m

Lambert-St Louis

Mon 11/24

6:40 am-1:55 pm

1 stop6h 15m

$271

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Sat 11/22

6:55 am-8:45 am

Nonstop2h 50m

Lambert-St Louis

Sun 1/18

6:20 am-4:10 pm

1 stop8h 50m

$271

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Sat 12/6

1:59 pm-6:00 pm

1 stop5h 01m

Lambert-St Louis

Sat 12/13

1:15 pm-4:44 pm

Nonstop2h 29m

$277

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Tue 12/9

8:59 am-1:04 pm

1 stop5h 05m

Lambert-St Louis

Sat 12/13

1:15 pm-4:44 pm

Nonstop2h 29m

$277

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Fri 12/5

4:56 pm-8:47 pm

1 stop4h 51m

Lambert-St Louis

Sat 12/13

1:15 pm-4:44 pm

Nonstop2h 29m

$277

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Sat 11/22

6:55 pm-8:50 pm

Nonstop2h 55m

Lambert-St Louis

Sun 11/23

8:05 pm-11:20 pm

Nonstop2h 15m

$287

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Thu 11/20

10:45 am-12:40 pm

Nonstop2h 55m

Lambert-St Louis

Sun 11/23

6:00 am-9:27 am

Nonstop2h 27m

$293

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Tue 12/9

6:30 am-8:20 am

Nonstop2h 50m

Lambert-St Louis

Tue 12/9

5:15 pm-8:42 pm

Nonstop2h 27m

$297

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Wed 12/3

3:00 pm-11:07 am

2 stops21h 07m

$125

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/19

Showing 1-10 of 19 results
1
2

Compare providers for flights from LaGuardia to St. Louis

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from LaGuardia to St. Louis in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on New York LaGuardia Airport-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on New York LaGuardia Airport-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from New York LaGuardia Airport-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on New York LaGuardia Airport-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for New York LaGuardia Airport-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from LaGuardia to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from LaGuardia 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 New York LaGuardia Airport to St. Louis

How far ahead should I book a flight from New York LaGuardia Airport to St. Louis?

Use this chart to determine the optimal time to book a round-trip flight from LaGuardia to St. Louis. Price data was last updated on October 17, 2025.

To ensure you get the cheapest price possible for a flight from New York LaGuardia Airport to St. Louis, you should look to book at least 85 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from New York LaGuardia Airport to St. Louis?

Currently, March is the cheapest month in which you can book a flight from New York LaGuardia Airport to St. Louis (average of $177). Flying from New York LaGuardia Airport to St. Louis in June is currently the most expensive (average of $241). 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 LGA to STL?

Find hourly flight availability from LaGuardia 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 October 20, 2025.

It’s typically best to fly out from New York LaGuardia Airport to St. Louis in the morning. Doing so could potentially save you 8% on the flight price compared to flying in the evening, which is usually more expensive.

What is the cheapest day to fly from New York LaGuardia Airport to St. Louis?

Use this chart to determine the cheapest time to fly round-trip from LaGuardia to St. Louis. Price data was last updated on October 19, 2025.

Travelers seeking maximum savings on their New York LaGuardia Airport to St. Louis flight should consider departing on Wednesday evenings when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for New York LaGuardia Airport to St. Louis flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your New York LaGuardia Airport to St. Louis trip
Airports
LGA

LGA offers free Wi-Fi with a strong signal throughout, ideal for accessing digital boarding passes and staying connected from check-in to boarding.

Read more about LGAby Brandon Schultz
STL

Use the MetroLink light rail for a convenient and economical way to reach downtown St. Louis from STL, taking about 40 minutes.

Read more about STLby Taryn White
Our travel experts
Brandon Schultz

Brandon Schultz

Expert on LGA

Brandon Schultz

Brandon Schultz

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more
Taryn White

Taryn White

Expert on STL

Taryn White

Taryn White

Taryn White is a freelance travel writer, digital creator, and travel advisor who has visited nearly 100 countries and all 50 states. She’s familiar with many airports and enjoys beach hopping, boutique hotels, spa experiences, and exploring local culture. Her work has appeared in Travel + Leisure, Condé Nast Traveler, National Geographic, Smithsonian Magazine, AFAR, and more.

Read more

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 October 20, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and American Airlines from New York LaGuardia Airport to St. Louis to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,239 reviews

Crew

8.6

Overall

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,239 reviews
Southwest
8.0
Very good
4,239 reviews

Crew

8.6

Overall

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
7,978 reviews
Southwest
8.0
Very good
4,239 reviews

Crew

8.6

Overall

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,024 reviews
Southwest
8.0
Very good
4,239 reviews

Crew

8.6

Overall

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from LaGuardia 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 New York LaGuardia?

    Lambert-St Louis (STL) is the airport you will fly into if you book a flight from New York LaGuardia to St. Louis. You should not have trouble finding flights to Lambert-St Louis from New York LaGuardia; the airport handles an average of 10 inbound flights from New York LaGuardia per day. You should also have plenty of airline options to choose from since 3 airlines have flights to the St. Louis airport from New York LaGuardia. It is only a 12.7 mi journey from Lambert-St Louis (STL) to St. Louis’s city center.

  • How long is the flight from New York LaGuardia Airport to St. Louis?

    A quick flight from New York LaGuardia Airport to St. Louis can take about 2h 55m. Delta provides one of the quickest options available for as low as $267. The distance between New York LaGuardia Airport and St. Louis is about 885 mi. Generally, flights for this route are nonstop.

  • What are the cheapest airlines flying from New York LaGuardia Airport to St. Louis round-trip?

    Flying on Delta is currently your cheapest option to St. Louis, with prices starting at $193. Additional round-trip tickets that might be worth considering are offered by Southwest and American Airlines, with the lowest prices starting at $197 and $206, respectively. Delta is 42% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the most reliable airlines from New York LaGuardia Airport to St. Louis?

    Consider Endeavor Airlines (88%), WestJet (80%) or American Airlines (77%) when booking your flight. These represent the most reliable airlines when flying from New York LaGuardia Airport to St. Louis.

  • What are the cheapest flights from New York LaGuardia Airport to St. Louis?

    Looking at all options, your cheapest flight can be booked for $133. While the most popular route (New York LaGuardia - Lambert-St Louis) can be booked for $162 on average, our data indicates $437 when flying from New York LaGuardia Airport to St. Louis.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from LaGuardia 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 New York LaGuardia Airport to St. Louis?

    Currently, March is the cheapest month in which you can book a flight from New York LaGuardia Airport to St. Louis (average of $177). Flying from New York LaGuardia Airport to St. Louis in June is currently the most expensive (average of $241). 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
Edwardsville
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

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Top 3 airlines flying from LaGuardia to St. Louis

Discover the top 3 airlines that operate flights from LaGuardia 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 October 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$193Average$347FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$197Average$329FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$206Average$319FlexibilityNo cancel feeOn-time71%

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