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LaGuardia

$147+ Cheap flights from St. Louis (STL) to LaGuardia, NY (LGA)

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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LGA
Aug 24 — Aug 311
Mon 8/24
Mon 8/31
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Lambert-St Louis to New York LaGuardia are usually found in September or August, booked 63 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from St. Louis to LaGuardia

Cheapest flights from St. Louis to LaGuardia
Explore the most affordable flight options available from St. Louis to LaGuardia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 25, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/20. 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.
Wed 9/910:35 am
STL
-
LGA
1 stop6h 00m
Frontier
Sun 9/1310:00 pm
LGA
-
STL
1 stop12h 40m
Frontier
Deal found 7/20$244
This Kiwi.com deal was found by Cheapflights users on 7/20. 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.
Mon 8/104:57 pm
STL
-
LGA
1 stop28h 46m
Frontier
Fri 8/1410:00 pm
LGA
-
STL
1 stop11h 57m
Frontier
Deal found 7/20$248
This Kiwi.com deal was found by Cheapflights users on 7/20. 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.
Sun 9/2710:35 am
STL
-
LGA
1 stop11h 40m
Frontier
Tue 9/2910:00 pm
LGA
-
STL
1 stop12h 40m
Frontier
Deal found 7/20$249
This Kiwi.com deal was found by Cheapflights users on 7/22. 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.
Mon 9/1410:35 am
STL
-
LGA
1 stop6h 00m
Frontier
Thu 9/178:29 pm
LGA
-
STL
2 stops38h 11m
Frontier
Deal found 7/22$250
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 9/2610:35 am
STL
-
LGA
1 stop6h 00m
Frontier
Mon 9/2810:00 pm
LGA
-
STL
1 stop12h 40m
Frontier
Deal found 7/20$251
This Kiwi.com deal was found by Cheapflights users on 7/22. 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.
Fri 8/216:17 pm
STL
-
LGA
1 stop24h 10m
Frontier
Wed 8/2610:55 pm
LGA
-
STL
1 stop18h 36m
Frontier
Deal found 7/22$253
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Thu 10/110:35 am
STL
-
LGA
1 stop6h 00m
Frontier
Sun 10/48:29 pm
LGA
-
STL
2 stops38h 11m
Frontier
Deal found 7/23$254
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 8/124:57 pm
STL
-
LGA
1 stop28h 46m
Frontier
Wed 8/268:29 pm
LGA
-
STL
2 stops21h 53m
Frontier
Deal found 7/21$255
This Kiwi.com deal was found by Cheapflights users on 7/22. 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.
Fri 8/216:17 pm
STL
-
LGA
1 stop24h 10m
Frontier
Mon 8/246:18 am
LGA
-
STL
1 stop12h 04m
Frontier
Deal found 7/22$256
This Kiwi.com deal was found by Cheapflights users on 7/21. 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.
Thu 9/1010:35 am
STL
-
LGA
2 stops28h 24m
Frontier
Sun 9/1310:00 pm
LGA
-
STL
1 stop12h 40m
Frontier
Deal found 7/21$257
This Kiwi.com deal was found by Cheapflights users on 7/22. 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.
Thu 8/206:17 pm
STL
-
LGA
1 stop25h 42m
Frontier
Thu 8/276:18 am
LGA
-
STL
1 stop12h 04m
Frontier
Deal found 7/22$258
This Kiwi.com deal was found by Cheapflights users on 7/21. 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.
Thu 8/136:34 pm
STL
-
LGA
1 stop27h 09m
Frontier
Sat 8/228:22 pm
LGA
-
STL
1 stop22h 00m
Frontier
Deal found 7/21$259

Find flight deals from St. Louis to LaGuardia

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to LaGuardia (LGA). 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 July 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$244
(Kiwi.com)

One-way from

$147
(Delta)

Popular in

May

Cheapest in

September

Average price

$389

Good round-trip deal

$341 or less

Good one-way deal

$221 or less
Provider with most accurate pricing for Lambert-St Louis-New York LaGuardia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-New York LaGuardia flights.
Search Deals
From Lambert-St Louis to New York LaGuardia
Search Deals
One-way flight from Lambert-St Louis to New York LaGuardia
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($17 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($3 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Lambert-St Louis to New York LaGuardia.
Search Deals
Price to beat on a one-way flight from Lambert-St Louis to New York LaGuardia.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to LaGuardia 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 July 25, 2026.
Use the filters below to find and compare flights from St. Louis to New York LaGuardia Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisNew York

STL - LGA

STLLGA

Lambert-St Louis

Tue 9/8

5:40 am-9:00 am

Nonstop2h 20m

New York LaGuardia

Tue 9/15

5:45 pm-7:35 pm

Nonstop2h 50m

$293
Quickest round-trip

St. LouisNew York

STL - LGA

STLLGA

Lambert-St Louis

Thu 9/24

5:40 am-9:00 am

Nonstop2h 20m

New York LaGuardia

Thu 10/1

6:05 am-7:45 am

Nonstop2h 40m

$293

St. LouisNew York

STL - LGA

STLLGA

Lambert-St Louis

Mon 8/17

3:35 pm-6:55 pm

Nonstop2h 20m

New York LaGuardia

Thu 8/20

2:35 pm-4:20 pm

Nonstop2h 45m

$293

St. LouisNew York

STL - LGA

STLLGA

Lambert-St Louis

Sat 8/29

7:05 am-10:35 am

Nonstop2h 30m

New York LaGuardia

Wed 9/9

6:59 am-12:32 pm

1 stop6h 33m

$303

St. LouisNew York

STL - LGA

STLLGA

Lambert-St Louis

Thu 8/27

5:40 am-9:00 am

Nonstop2h 20m

New York LaGuardia

Mon 8/31

6:30 am-1:15 pm

1 stop7h 45m

$303

St. LouisNew York

STL - LGA

STLLGA

Lambert-St Louis

Tue 9/29

12:20 pm-8:15 pm

1 stop6h 55m

New York LaGuardia

Wed 9/30

7:10 am-8:50 am

Nonstop2h 40m

$303

St. LouisNew York

STL - LGA

STLLGA

Lambert-St Louis

Wed 8/12

12:59 pm-7:25 pm

1 stop5h 26m

New York LaGuardia

Sat 8/15

7:20 am-11:57 am

1 stop5h 37m

$313

St. LouisNew York

STL - LGA

STLLGA

Lambert-St Louis

Sat 9/5

1:04 pm-9:28 pm

1 stop7h 24m

New York LaGuardia

Sat 9/12

12:00 pm-4:32 pm

1 stop5h 32m

$313

St. LouisNew York

STL - LGA

STLLGA

Lambert-St Louis

Sat 8/15

5:45 am-12:40 pm

1 stop5h 55m

New York LaGuardia

Mon 8/17

6:30 am-1:15 pm

1 stop7h 45m

$313

St. LouisNew York

STL - LGA

STLLGA

Lambert-St Louis

Mon 8/31

2:20 pm-9:25 pm

1 stop6h 05m

New York LaGuardia

Tue 9/1

9:45 am-4:25 pm

1 stop7h 40m

$313

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/23

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Compare providers for flights from St. Louis to LaGuardia

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 St. Louis to LaGuardia in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*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 St. Louis-New York LaGuardia Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-New York LaGuardia Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-New York LaGuardia Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-New York LaGuardia Airport 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 St. Louis-New York LaGuardia Airport 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 St. Louis to LaGuardia

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

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

The best time to book flights from St. Louis to New York LaGuardia Airport is 88 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, August is the cheapest month in which you can book a flight from St. Louis to New York LaGuardia Airport (average of $334). Flying from St. Louis to New York LaGuardia Airport in May is currently the most expensive (average of $401). 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 LGA?

Find hourly flight availability from St. Louis to LaGuardia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 25, 2026.

One of the essential ways to save on airfare from St. Louis to New York LaGuardia Airport is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the morning could potentially save you up to 14% on airfare.

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

Use this chart to determine the cheapest time to fly round-trip from St. Louis to LaGuardia. Price data was last updated on July 18, 2026.

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

How much does it cost to fly round-trip from St. Louis to New York LaGuardia Airport?

Airfare is below average for this route at the moment.

St. Louis to New York LaGuardia Airport flights typically cost between $297 and $412 in September.
The cheapest round-trip price found within the last 5 days was $244 on Frontier (Sep 9-Sep 13).

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

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your St. Louis to New York LaGuardia Airport trip
Our travel experts
Brandon Schultz

Brandon Schultz

Expert on LGA

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 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 LaGuardia

Get insights into the airlines that provide service to LaGuardia. 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 LaGuardia. Reviews last updated July 25, 2026.
Read through reviews of airlines operating flights from St. Louis to New York LaGuardia Airport, such as Southwest,Delta, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,233 reviews

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Overall

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Bhoopal,Nov 2024

STL - BOS

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad
Southwest
8.0
Very good
4,233 reviews
Southwest
8.0
Very good
4,233 reviews

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Overall

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Bhoopal,Nov 2024

STL - BOS

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad
Delta
7.8
Good
8,486 reviews
Southwest
8.0
Very good
4,233 reviews

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Overall

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Bhoopal,Nov 2024

STL - BOS

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad
American Airlines
7.1
Good
11,845 reviews
Southwest
8.0
Very good
4,233 reviews

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Overall

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Bhoopal,Nov 2024

STL - BOS

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad
Frontier
5.6
Fair
2,770 reviews
Southwest
8.0
Very good
4,233 reviews

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Overall

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Bhoopal,Nov 2024

STL - BOS

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

Related info for your journey

Find useful and relevant information for your journey from St. Louis to LaGuardia. 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 New York LaGuardia?

    Most people fly from Lambert-St Louis (STL) if they book a flight from St. Louis to New York LaGuardia. On average, Lambert-St Louis has 12 outbound flights to New York LaGuardia per day from 4 airlines. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

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

    Airlines like Southwest and Delta fly from St. Louis to New York LaGuardia Airport in about 2h 20m. The time it takes to get you to your destination is usually consistent. The distance from St. Louis to New York LaGuardia Airport is about 885 mi. All flights are typically nonstop.

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

    Frontier, at $90, was found to be the cheapest airline from St. Louis to New York LaGuardia Airport.Alternate airlines to your destination round-trip include Delta and American Airlines. You may be able to fly from St. Louis to New York LaGuardia Airport for 75% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from St. Louis to New York LaGuardia Airport one-way?

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $113. Users have also found prices from $123 and $133 on Southwest and American Airlines, respectively.

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

    No one likes to see their flight delayed. When booking a flight from St. Louis to New York LaGuardia Airport consider choosing WestJet (78%), American Airlines (75%) or Endeavor Airlines (75%) as they are the most reliable in getting you off to your destination on time.

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

    The cheapest flight price from St. Louis to New York LaGuardia Airport is $146. On average you can expect to pay $576. The most popular route, (Lambert-St Louis - New York LaGuardia), can usually be booked for $277.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from St. Louis to New York LaGuardia Airport (average of $334). Flying from St. Louis to New York LaGuardia Airport in May is currently the most expensive (average of $401). 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 New York LaGuardia Airport?

Book flights to New York LaGuardia Airport if you plan to visit one of these locations
Queens
Bronx
Mahwah
Elizabeth
East Rutherford
Staten Island
Yonkers
Mount Laurel
Irvington
Secaucus
Tannersville
North Bergen
Seaside Heights
Edgewater
Carle Place
Absecon
Carteret
Fort Lee
Parsippany
Avenel

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from St. Louis to LaGuardia

Discover the top 4 airlines that operate flights from St. Louis to LaGuardia. 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 July 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$90Average$208FlexibilityNo cancel feeOn-time62%
DeltaCheapest$217Average$357FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$227Average$362FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$245Average$426FlexibilityNo cancel feeOn-time63%

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