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$125 Cheap Flights from New York (LGA) to St. Louis (STL)

View $125 flight on Wed, Sep 30, 2026Opens in a new window

Popular airlines from LaGuardia Airport (LGA) to St. Louis Lambert Intl. Airport (STL)

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Cheap Flights from New York to St. Louis (LGA-STL)

Prices were available within the past 7 days and start at $125 for one-way flights and $232 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Wed, Sep 30 - Sat, Oct 10
LGA
New York
STL
St. Louis
$232 Roundtrip, found 1 day ago
$232
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Sep 30 from New York to St. Louis, returning Sat, Oct 10, priced at $232 found 1 day ago
Frontier Airlines
Wed, Sep 30 - Sat, Oct 10
LGA
New York
STL
St. Louis
$242 Roundtrip, found 1 day ago
$242
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Sep 30 from New York to St. Louis, returning Sat, Oct 10, priced at $242 found 1 day ago
Frontier Airlines
Wed, Sep 30 - Sun, Oct 4
LGA
New York
STL
St. Louis
$247 Roundtrip, found 1 day ago
$247
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Sep 30 from New York to St. Louis, returning Sun, Oct 4, priced at $247 found 1 day ago
Frontier Airlines
Mon, Sep 21 - Fri, Oct 2
LGA
New York
STL
St. Louis
$249 Roundtrip, found 1 day ago
$249
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Mon, Sep 21 from New York to St. Louis, returning Fri, Oct 2, priced at $249 found 1 day ago
Frontier Airlines
Wed, Oct 7 - Tue, Oct 13
LGA
New York
STL
St. Louis
$250 Roundtrip, found 10 hours ago
$250
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Wed, Oct 7 from New York to St. Louis, returning Tue, Oct 13, priced at $250 found 10 hours ago
Frontier Airlines
Mon, Sep 28 - Wed, Sep 30
LGA
New York
STL
St. Louis
$254 Roundtrip, just found
$254
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Sep 28 from New York to St. Louis, returning Wed, Sep 30, priced at $254 just found
Southwest Airlines
Fri, Sep 11 - Wed, Sep 16
LGA
New York
STL
St. Louis
$268 Roundtrip, found 19 hours ago
$268
Roundtrip
found 19 hours ago
Select Southwest Airlines flight, departing Fri, Sep 11 from New York to St. Louis, returning Wed, Sep 16, priced at $268 found 19 hours ago
Delta
Sat, Sep 5 - Wed, Sep 9
LGA
New York
STL
St. Louis
$270 Roundtrip, found 21 hours ago
$270
Roundtrip
found 21 hours ago
Select Delta flight, departing Sat, Sep 5 from New York to St. Louis, returning Wed, Sep 9, priced at $270 found 21 hours ago
American Airlines
Fri, Oct 30 - Sat, Nov 7
LGA
New York
STL
St. Louis
$278 Roundtrip, found 1 day ago
$278
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Oct 30 from New York to St. Louis, returning Sat, Nov 7, priced at $278 found 1 day ago
United
Fri, Oct 30 - Sat, Oct 31
LGA
New York
STL
St. Louis
$351 Roundtrip, found 2 hours ago
$351
Roundtrip
found 2 hours ago
Select United flight, departing Fri, Oct 30 from New York to St. Louis, returning Sat, Oct 31, priced at $351 found 2 hours ago

Alternative airports near St. Louis

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Lambert-St. Louis Intl. STL. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $417
STL
Lambert-St. Louis Intl.
Cheapest
Average driving time to city center20 min
Flights from $417

What you need to know for your flight from LaGuardia to Lambert-St. Louis Intl.

New York (LGA) to St. Louis (STL) at a glance

Travel from New York's LaGuardia Airport (LGA) to St. Louis Lambert International Airport (STL) with a variety of airlines offering convenient options on this short domestic route. Explore both full-service and budget-friendly carriers to discover the itinerary that suits your budget and schedule. As you plan your adventure in St. Louis, be sure to check the STL flight status and find flights to St. Louis that align with your travel plans.

  • Fastest flight duration: around 2h 45m non-stop
  • Route distance: roughly 900 miles (1,450 km)
  • Flights per week: around 50+ flights with multiple daily departures on average
  • Typical fares (one-way): economy tickets often range from $90–$330, depending on seasonality and how far ahead you book

Flights from LaGuardia Airport (LGA) to Lambert-St. Louis International Airport (STL)

According to recent traveler bookings, here are the top airline choices for flights from New York to St. Louis, highlighting non-stop and one-stop options. Popular layover spots include Hartsfield-Jackson Atlanta International Airport (ATL) with a layover of about 1 hour and 30 minutes, O'Hare International Airport (ORD) with around a 1 hour and 15 minutes layover, and Orlando International Airport (MCO), also approximately 1 hour and 30 minutes. This variety allows you to balance price, total travel time, and cabin class to find the ideal itinerary.

  • Delta: As a comprehensive airline, Delta provides both non-stop and one-stop options, with one-way ticket prices generally falling between $100 and $370. This carrier accounts for around 40% of the flights on this route, typically taking about 2 hours and 45 minutes for non-stop travel.
  • Southwest Airlines: Known for its budget-friendly fares, Southwest Airlines offers both non-stop and one-stop services, with one-way prices usually ranging from $90 to $350. It represents about 29% of departures on this route, with a standard non-stop flight time of 2 hours and 45 minutes.
  • American Airlines: A full-service option, American Airlines provides non-stop and one-stop services, with one-way fares typically priced between $90 and $330. This airline accounts for approximately 28% of the route's departures, featuring a usual non-stop journey lasting 2 hours and 45 minutes.
  • Frontier Airlines: Operating as a low-cost airline, Frontier Airlines offers one-stop service, with one-way fares generally ranging from $90 to $180. It comprises about 2% of departures on this route, with an in-flight duration of 4 hours and 15 minutes and a total travel time of around 5 hours and 45 minutes, including layover.
  • United: As a full-service carrier, United provides both non-stop and one-stop flights, with one-way fares typically ranging from $120 to $445. It makes up about 1% of departures on this route, with a one-stop journey usually taking 4 hours and 15 minutes in the air, resulting in a total journey time of roughly 5 hours and 45 minutes.

Travelers flying from New York to St. Louis have the option to enhance their journey with an upgrade. Delta provides both first class and premium economy class, while American Airlines features first class service.

Best time to fly from New York (LGA) to St. Louis (STL)

The most popular months for travelers flying from New York to St. Louis are March, April, and July, when peak temperatures in St. Louis reach up to 78.6°F in July. If you prefer quieter travel, consider September, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 70.9°F. For better deals, May usually offers the lowest average one-way fare around $173. Flight availability peaks in May, with approximately 66 flights per week, making it easier to find convenient departure times. January and February have the fewest flights, with approximately 38 flights per week.

  • Cheapest time to fly: May usually offers good deals with average one-way fare around $173, roughly 12% cheaper than the yearly average.
  • More budget-friendly months to fly: September, February, and January typically offer average one-way fares of around $188.
  • Most flight options: May has the highest number of flights from New York to St. Louis, with approximately 66 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January31.6°F (-0.2°C)Average38$190
February34.9°F (1.6°C)Average38$185
March46.4°F (8.0°C)Moderately High52$194
April56.1°F (13.4°C)Moderately High55$191
May66.6°F (19.2°C)Average66$173
June76.1°F (24.5°C)Average62$200
July78.6°F (25.9°C)Moderately High64$194
August77.0°F (25.0°C)Average60$193
September70.9°F (21.6°C)Moderately Low56$185
October58.6°F (14.8°C)Average58$192
November46.2°F (7.9°C)Moderately Low61$229
December37.8°F (3.2°C)Moderately Low54$255

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative routes from New York (LGA) to St. Louis (STL)

  • New York to St. Louis (JFK-STL): John F. Kennedy International Airport (JFK) is located roughly 10 miles from LaGuardia Airport (LGA). On this route, one-way economy prices generally fall between $90 and $370, varying with the season and time of booking. Travelers can choose from both non-stop and one-stop flights, with popular layover cities including Charlotte-Douglas International Airport (CLT) and Hartsfield-Jackson Atlanta International Airport (ATL). Leading airlines offering this route are Delta and American Airlines, with first-class service also available.
  • Newark to St. Louis (EWR-STL): Newark Liberty International Airport (EWR) is positioned about 17 miles from LaGuardia Airport (LGA). One-way economy fares for this journey usually range from $105 to $375, influenced by the season and advance booking. This route typically features both non-stop and one-stop flights. Major airlines servicing this route include United and Delta, and there is also first-class service offered on these flights.

How to find the best prices for flights from New York (LGA) to St. Louis (STL)

Getting some of the best deals on flights from New York to St. Louis is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually available when booking 2-8 weeks in advance, which aligns with when most travelers make their reservations. Afternoon departures from 12pm to 6pm often offer lower prices, while morning flights from 5am to 12pm are more popular. Additionally, flying on Wednesday typically results in cheaper rates, although Friday is the busiest travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Lambert-St. Louis International Airport from LaGuardia Airport

St. Louis welcomes travelers from New York with a range of transport options based on price, convenience, and proximity. For departures, LaGuardia Airport is roughly a 15-minute drive (covering about 10 miles) from central New York. Here's how to reach St. Louis efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in St. Louis, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Lambert-St. Louis International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Lambert-St. Louis International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Lambert-St. Louis International Airport, Lambert Main Terminal Station, a metro station, is located about 0.1 miles away on foot, providing convenient access to public transit options.

Frequently asked questions

How much does a flight from New York, NY (LGA-LaGuardia) to St. Louis, MO (STL-Lambert-St. Louis Intl.) cost?
You can find cheap one-way flights from $125 and cheap return flights from $232 New York, NY (LGA-LaGuardia) to St. Louis, MO (STL-Lambert-St. Louis Intl.) with Expedia. One-way flights usually range from $158 to $1063, and return flights typically cost between $317 and $1225. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when New York, NY (LGA-LaGuardia) to St. Louis, MO (STL-Lambert-St. Louis Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from New York, NY (LGA-LaGuardia) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
September is the cheapest month to fly from New York, NY (LGA) to St. Louis, MO (STL), with average return fares around $316. This is about 9% lower than the average price throughout the year, as travel demand tends to drop after the summer peak. Other affordable months to consider are February and March.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from New York, NY (LGA-LaGuardia) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
2 airlines operate nonstop service from LGA to STL:

  • Delta operates around 35 direct flights from LGA to STL every week
  • American Airlines operates around 23 direct flights from LGA to STL every week

What is the cheapest airline that flies from New York, NY (LGA-LaGuardia) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
Spirit Airlines is one of the cheapest airlines offering connecting flights from LaGuardia (LGA) to Lambert-St. Louis Intl. (STL), with round-trip tickets starting from around $168. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from New York, NY (LGA-LaGuardia) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
To find a cheap flight from New York, NY (LGA-LaGuardia) to St. Louis, MO (STL-Lambert-St. Louis Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from New York, NY (LGA-LaGuardia) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The best airline to fly with from New York, NY (LGA) to St. Louis, MO (STL) will differ from traveler to traveler. If you like to fly early, Delta offers early morning flights. If price is the most important factor, WN typically offers the lowest fares. United offers the most daily flights from LGA to STL, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from New York, NY (LGA-LaGuardia) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The best time to fly from New York (LGA) to St. Louis (STL) is typically in September or February. During these months, you can find return flights at around $316, making them the cheapest options. September is particularly appealing as it offers pleasant weather and fewer crowds, while February often sees lower travel demand, allowing for better fares.*Prices based on flights available on Expedia in the last year.
How many flights per day from New York, NY (LGA-LaGuardia) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
There are approximately 12 nonstop flights per day from LaGuardia (LGA) to Lambert-St. Louis Intl. (STL). For more options, look at flights that include layovers.
What is the earliest flight from New York, NY (LGA-LaGuardia) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The earliest flight from LaGuardia (LGA) to Lambert-St. Louis International (STL) usually departs at around 5:45 AM, operated by American Airlines and Southern Airways Express. This seasonal service is available from June to September, allowing you to make the most of your time in St. Louis. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from New York, NY (LGA-LaGuardia) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The most popular departure times for flights from New York (LGA) to St. Louis (STL) are in the early morning, from 6am to 9am. About 28% of passengers prefer this time window. Many major carriers, including United Airlines, American Airlines, and Delta Air Lines, offer flights during this window. This timing works well because it allows you to arrive in St. Louis with a full day to explore.
How long does it take to fly from New York, NY (LGA-LaGuardia) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
A nonstop flight from LGA to STL typically takes around 3 hours, covering approximately 886 miles. Connecting flights on this route usually add 2 hours 20 minutes to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from New York, NY (LGA-LaGuardia) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
Select the "Business class" and "First class" filters when looking for LGA to STL flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How much is a business class flight from New York, NY (LGA-LaGuardia) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
A direct, return business class ticket from New York, NY (LGA-LaGuardia) to St. Louis, MO (STL-Lambert-St. Louis Intl.) typically costs between $893 - $1,267. A non-stop, one-way business class flight is usually around $283 - $413. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between New York, NY (LGA-LaGuardia) to St. Louis, MO (STL-Lambert-St. Louis Intl.) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a New York, NY (LGA-LaGuardia) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight with Expedia?
It's easy to earn miles on a New York, NY (LGA-LaGuardia) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for St. Louis from LaGuardia (LGA)?
If you're planning to travel to St. Louis from LaGuardia (LGA), you can fly into Lambert-St. Louis Intl. (STL) Some flights may connect through major hubs like Love Field (DAL), Midway Intl. (MDW), Washington Dulles Intl. (IAD) before reaching St. Louis. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from New York, NY (LGA-LaGuardia) to St. Louis, MO (STL-Lambert-St. Louis Intl.) at the last minute?
Typically, booking a last minute flight from New York, NY (LGA-LaGuardia) to St. Louis, MO (STL-Lambert-St. Louis Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a New York, NY (LGA-LaGuardia) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight and hotel package?
Securing a New York, NY (LGA-LaGuardia) to St. Louis, MO (STL-Lambert-St. Louis Intl.) St Louis Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from New York, NY (LGA-LaGuardia) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
If you booked your New York, NY (LGA-LaGuardia) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
LaGuardia
Destination airport
Lambert-St. Louis Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Roundtrip price
$232
Distance
886 mi
Average flight time
1 hour 39 mins

Book with confidence

New York to St. Louis Flights

The cheapest times to fly from New York to St. Louis

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from New York to St. Louis are during the month of September. You can find some of the cheapest flights from New York to St. Louis with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from New York to St. Louis

Sunday is one of the best days to book for cheap flights from New York to St. Louis: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from New York to St. Louis

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from New York to St. Louis in 2026. You can also book with separate airlines for your outbound and return journeys, from $125 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap New York to St. Louis flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your New York to St. Louis airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

New York to St. Louis Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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