Southwest® flights from Denver to New York (LaGuardia) from $144

Promo Code

Low fares from Denver to New York (LaGuardia)

$

Denver (DEN)to

New York (LaGuardia) (LGA)
Depart: 11/18/2026

One-way

Basic

From
$144
Seen: 22 hrs ago

Denver (DEN)to

New York (LaGuardia) (LGA)
Depart: 11/11/2026

One-way

Basic

From
$144
Seen: 22 hrs ago

Denver (DEN)to

New York (LaGuardia) (LGA)
Depart: 11/17/2026

One-way

Basic

From
$144
Seen: 9 hrs ago

Denver (DEN)to

New York (LaGuardia) (LGA)
Depart: 09/12/2026

One-way

Basic

From
$144
Seen: 6 hrs ago

Denver (DEN)to

New York (LaGuardia) (LGA)
Depart: 11/14/2026

One-way

Basic

From
$144
Seen: 1 hour ago

Denver (DEN)to

New York (LaGuardia) (LGA)
Depart: 09/16/2026

One-way

Basic

From
$144
Seen: 18 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 Denver to New York (LaGuardia)

Aug 2026
From$270*
Seen: 12 hrs ago
One Way/Basic
Sep 2026
From$144*
Seen: 14 hrs ago
One Way/Basic
Oct 2026
From$144*
Seen: 4 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $144
cmp-daily-histogram-bars-legend-max-price-aria-label $370
Displaying fares for August-2026
  • DEN–LGA: cmp-view-offers-disclaimer. Find Offers
    21

    Fri

    AUG

  • DEN–LGA, 08/22/2026: From $370
    22

    Sat

  • DEN–LGA, 08/23/2026: From $344
    23

    Sun

  • DEN–LGA, 08/24/2026: From $344
    24

    Mon

  • DEN–LGA, 08/25/2026: From $344
    25

    Tue

  • DEN–LGA, 08/26/2026: From $344
    26

    Wed

  • DEN–LGA, 08/27/2026: From $270
    27

    Thu

  • DEN–LGA, 08/28/2026: From $270
    28

    Fri

  • DEN–LGA: cmp-view-offers-disclaimer. Find Offers
    29

    Sat

  • DEN–LGA: cmp-view-offers-disclaimer. Find Offers
    30

    Sun

  • DEN–LGA: cmp-view-offers-disclaimer. Find Offers
    31

    Mon

  • DEN–LGA, 09/01/2026: From $270
    01

    Tue

    SEP

  • DEN–LGA, 09/02/2026: From $270
    02

    Wed

  • DEN–LGA: cmp-view-offers-disclaimer. Find Offers
    03

    Thu

  • DEN–LGA, 09/04/2026: From $259
    04

    Fri

  • DEN–LGA, 09/05/2026: From $209
    05

    Sat

  • DEN–LGA, 09/06/2026: From $189
    06

    Sun

  • DEN–LGA, 09/07/2026: From $344
    07

    Mon

  • DEN–LGA, 09/08/2026: From $204
    08

    Tue

  • DEN–LGA, 09/09/2026: From $179
    09

    Wed

  • DEN–LGA, 09/10/2026: From $179
    10

    Thu

  • DEN–LGA, 09/11/2026: From $166
    11

    Fri

  • DEN–LGA, 09/12/2026: From $144
    12

    Sat

  • DEN–LGA, 09/13/2026: From $179
    13

    Sun

  • DEN–LGA, 09/14/2026: From $149
    14

    Mon

  • DEN–LGA, 09/15/2026: From $144
    15

    Tue

  • DEN–LGA, 09/16/2026: From $144
    16

    Wed

  • DEN–LGA, 09/17/2026: From $189
    17

    Thu

  • DEN–LGA, 09/18/2026: From $166
    18

    Fri

  • DEN–LGA, 09/19/2026: From $144
    19

    Sat

  • DEN–LGA, 09/20/2026: From $199
    20

    Sun

    • Range$144-$370

    *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.

    Flight Details

    Departing from:
    Denver International Airport
    Arriving at:
    La Guardia Airport
    Average flight time:
    3 hours 39 minutes
    Distance:
    1620 miles

    Route Information

    154† Weekly flights
    • 4‡ Nonstop flights per day Monday through Friday
    • 2‡ Nonstop flights on Saturday
    • 4‡ Nonstop flights on Sunday

    † Weekly flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025. Note: route may not operate every day of the week.

    ‡ Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025.

    Questions we hear the most

    The average flight time from Denver to New York (LaGuardia) is 3 hours 39 minutes.
    There are 154 weekly flights from Denver to New York (LaGuardia) on Southwest Airlines.
    Yes, Southwest flies nonstop from Denver to New York (LaGuardia) 4 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from Denver to New York (LaGuardia) 2 times per day on Saturdays and 4 times per day on Sundays.
    To find the lowest fares by day and time to fly Denver to New York (LaGuardia) with Southwest, check out our Low Fare Calendar.
    You can rent a car at La Guardia Airport book yours with your flight.
    Yes! Flights from Denver to New York (LaGuardia)—or from here or there to anywhere—can be changed with no change fees. Fare difference may apply.
    Check the status of your upcoming Southwest flight.
    Check out the Southwest Airlines® Help Center for answers about everything Southwest.

    Explore Flights from Other Popular Origins

    Popular Flights from Denver