Southwest® flights from St. Louis to New York (LaGuardia) from $123

Promo Code

Low fares from St. Louis to New York (LaGuardia)

$

St. Louis (STL)to

New York (LaGuardia) (LGA)
Depart: 03/21/2026

One-way

Basic

From
$123
Seen: 23 hrs ago

St. Louis (STL)to

New York (LaGuardia) (LGA)
Depart: 04/18/2026

One-way

Basic

From
$123
Seen: 4 hrs ago

St. Louis (STL)to

New York (LaGuardia) (LGA)
Depart: 02/28/2026

One-way

Basic

From
$125
Seen: 21 hrs ago

St. Louis (STL)to

New York (LaGuardia) (LGA)
Depart: 04/01/2026

One-way

Basic

From
$130
Seen: 12 hrs ago

St. Louis (STL)to

New York (LaGuardia) (LGA)
Depart: 03/04/2026

One-way

Basic

From
$130
Seen: 10 hrs ago

St. Louis (STL)to

New York (LaGuardia) (LGA)
Depart: 03/31/2026

One-way

Basic

From
$130
Seen: 2 hrs ago

Looking for more low-fare flights?

Check out the Low Fare Calendar to find a fare that works for you. Just choose the month you want to depart and return, and we’ll show you the best fares available.

Find low fares

Explore flights from St. Louis to New York (LaGuardia)

*Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply. Modifying this information may result in a different fare. To find the most updated fare, please visit Southwest.com. Fares listed are Basic, which are subject to additional terms and conditions.

Explore Flights from Other Popular Origins

Popular Flights from St. Louis