$81 Cheap Flights from New York (LGA) to St. Louis (STL)

View $81 flight on Sat, Oct 18, 2025Opens in a new window

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

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Today's featured flight deals from LaGuardia Airport (LGA) to St. Louis Lambert Intl. Airport (STL)

Nonstop
Carry-on included
Lower price than typical

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

Prices were available within the past 7 days and start at $81 for one-way flights and $170 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Sat, Oct 18 - Sun, Nov 2
LGA
New York
STL
St. Louis
$170 Roundtrip, found 2 days ago
$170
Roundtrip
found 2 days ago
Select Spirit Airlines flight, departing Sat, Oct 18 from New York to St. Louis, returning Sun, Nov 2, priced at $170 found 2 days ago
Spirit Airlines
Sat, Oct 18 - Mon, Oct 27
LGA
New York
STL
St. Louis
$176 Roundtrip, found 13 hours ago
$176
Roundtrip
found 13 hours ago
Select Spirit Airlines flight, departing Sat, Oct 18 from New York to St. Louis, returning Mon, Oct 27, priced at $176 found 13 hours ago
Frontier Airlines
Thu, Sep 25 - Thu, Oct 2
LGA
New York
STL
St. Louis
$177 Roundtrip, found 1 hour ago
$177
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Thu, Sep 25 from New York to St. Louis, returning Thu, Oct 2, priced at $177 found 1 hour ago
Frontier Airlines
Fri, Oct 3 - Mon, Oct 6
LGA
New York
STL
St. Louis
$178 Roundtrip, just found
$178
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Oct 3 from New York to St. Louis, returning Mon, Oct 6, priced at $178 just found
Spirit Airlines
Sat, Oct 18 - Thu, Oct 23
LGA
New York
STL
St. Louis
$184 Roundtrip, found 21 hours ago
$184
Roundtrip
found 21 hours ago
Select Spirit Airlines flight, departing Sat, Oct 18 from New York to St. Louis, returning Thu, Oct 23, priced at $184 found 21 hours ago
Southwest Airlines
Tue, Nov 11 - Fri, Nov 14
LGA
New York
STL
St. Louis
$188 Roundtrip, found 1 hour ago
$188
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Tue, Nov 11 from New York to St. Louis, returning Fri, Nov 14, priced at $188 found 1 hour ago
Southwest Airlines
Sat, Nov 1 - Sun, Nov 2
LGA
New York
STL
St. Louis
$189 Roundtrip, found 5 hours ago
$189
Roundtrip
found 5 hours ago
Select Southwest Airlines flight, departing Sat, Nov 1 from New York to St. Louis, returning Sun, Nov 2, priced at $189 found 5 hours ago
Southwest Airlines
Sat, Nov 1 - Fri, Nov 7
LGA
New York
STL
St. Louis
$191 Roundtrip, found 19 hours ago
$191
Roundtrip
found 19 hours ago
Select Southwest Airlines flight, departing Sat, Nov 1 from New York to St. Louis, returning Fri, Nov 7, priced at $191 found 19 hours ago
American Airlines
Fri, Nov 14 - Sun, Nov 16
LGA
New York
STL
St. Louis
$197 Roundtrip, just found
$197
Roundtrip
just found
Select American Airlines flight, departing Fri, Nov 14 from New York to St. Louis, returning Sun, Nov 16, priced at $197 just found
Delta
Wed, Nov 12 - Sat, Nov 15
LGA
New York
STL
St. Louis
$197 Roundtrip, found 1 hour ago
$197
Roundtrip
found 1 hour ago
Select Delta flight, departing Wed, Nov 12 from New York to St. Louis, returning Sat, Nov 15, priced at $197 found 1 hour ago

Find the cheapest month to fly from New York (LGA) to St. Louis (STL)

September is typically the cheapest month to fly

From $114 - $346 per traveler.

Frequently asked questions

How much does a flight from LaGuardia Airport (LGA) to Lambert-St. Louis Intl. Airport (STL) cost?
Grab a cheap one-way flight from $81 or cheap return flight from $170 from LaGuardia Airport (LGA) to Lambert-St. Louis Intl. Airport (STL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from LaGuardia Airport (LGA) to Lambert-St. Louis Intl. Airport (STL)?
October is the least expensive month to fly from LGA to STL. Timing your trip outside of the busy season is often the key to finding better fares.
Which airlines fly direct from LaGuardia Airport (LGA) to Lambert-St. Louis Intl. Airport (STL)?
Avoid the detours and fly direct to Lambert-St. Louis Intl. Airport (STL) from LaGuardia Airport (LGA) with 3 carriers, including:

  • Southwest Airlines
  • Delta Air Lines
  • American Airlines

What is the cheapest airline that flies from LaGuardia Airport (LGA) to Lambert-St. Louis Intl. Airport (STL)?
American Airlines and Delta Air Lines are some popular airlines offering competitive fares. Don't forget that flight prices from LaGuardia Airport (LGA) to Lambert-St. Louis Intl. Airport (STL) can change based on demand, travel dates and how early you book. With Expedia's filter tool, you can easily find a LGA to STL flight that matches your preferences and budget.
How many flights per day from LaGuardia Airport (LGA) to Lambert-St. Louis Intl. Airport (STL)?
Every day on average, 9 nonstop flights take off from LaGuardia Airport (LGA) to Lambert-St. Louis Intl. Airport (STL). Choose the departure that best suits your plans.
What are the most popular departure times for flights from LaGuardia Airport (LGA) to Lambert-St. Louis Intl. Airport (STL)?
The 6 PM departures from LGA to STL see the highest demand. Greater demand means you'll likely pay more for these departures. If you're looking to save, choose a less crowded time to fly.
What day of the week has the most flights from LGA to STL?
If you depart on a Thursday, you'll get the widest range of choices for flights from LaGuardia Airport (LGA) to Lambert-St. Louis Intl. Airport (STL).
What is the earliest flight from LaGuardia Airport (LGA) to Lambert-St. Louis Intl. Airport (STL)?
Catch the earliest flight at around 6:10AM UTC-5, heading out of LaGuardia Airport (LGA). You'll be in the air for about 3h, landing at Lambert-St. Louis Intl. Airport (STL) at approximately 8:10AM UTC-6.
How long does it take to fly from LaGuardia Airport (LGA) to Lambert-St. Louis Intl. Airport (STL)?
Flights from LGA to STL have an average travel time of 3 hours and 1 minute. The distance between the two airports is 890 mi.
What airline has the least delays from LGA to STL?
Consider traveling with Delta Air Lines if you'd like to fly straight from LaGuardia Airport (LGA) to Lambert-St. Louis Intl. Airport (STL) without any holdups. This carrier has the strongest track record for punctuality, with an on-time score of 84%. Want real-time updates? You can check your flight status using the Expedia App.
What is the best time to fly from LaGuardia Airport (LGA) to Lambert-St. Louis Intl. Airport (STL)?
Select a flight from LaGuardia Airport (LGA) to Lambert-St. Louis Intl. Airport (STL) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Departures after this time have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for St. Louis from LaGuardia Airport (LGA)?
If you're flying on a direct flight from LaGuardia Airport (LGA) to St. Louis, Lambert-St. Louis Intl. Airport (STL) is the only airport you can land at.
Is it cheaper to buy a plane ticket from LaGuardia Airport (LGA) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Last-minute bookings from LGA to STL are usually more expensive. To secure the lowest rates, start looking for flights early. That being said, if you can play around with your travel dates, it's possible to score a cheap ticket right before you leave.
Is it cheaper to book a LGA to STL flight and hotel package?
Compared with arranging flights and hotels separately, booking a LGA to STL flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one place will take the stress out of travel planning. Just secure your flights and choose from our extensive range of hotels, then tailor your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from LaGuardia Airport (LGA) to Lambert-St. Louis Intl. Airport (STL)?
Typically, it's possible to reschedule or cancel your LGA to STL flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Travel information

Origin airport
LaGuardia
Destination airport
Lambert-St. Louis Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, Southwest Airlines, Spirit Airlines, United
Roundtrip price
$170
Distance
885 mi
Average flight time
1 hour 42 mins

Book with confidence

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 October. 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 2025. You can also book with separate airlines for your outbound and return journeys, from $81 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

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Explore a world of travel with Expedia

*Available to One Key members.