Southwest® flights from New York LaGuardia to Denver from $139

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Low fares from New York LaGuardia to Denver

$

New York LaGuardia (LGA)to

Denver (DEN)
Depart: 10/29/2026

One-way

Basic

From
$139
Seen: 20 hrs ago

New York LaGuardia (LGA)to

Denver (DEN)
Depart: 11/18/2026

One-way

Basic

From
$139
Seen: 6 hrs ago

New York LaGuardia (LGA)to

Denver (DEN)
Depart: 11/10/2026

One-way

Basic

From
$139
Seen: 22 hrs ago

New York LaGuardia (LGA)to

Denver (DEN)
Depart: 11/05/2026

One-way

Basic

From
$139
Seen: 11 hrs ago

New York LaGuardia (LGA)to

Denver (DEN)
Depart: 10/26/2026

One-way

Basic

From
$139
Seen: 11 hrs ago

New York LaGuardia (LGA)to

Denver (DEN)
Depart: 11/09/2026

One-way

Basic

From
$139
Seen: 4 hrs ago

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Explore flights from New York LaGuardia to Denver

Sep 2026
From$199*
Seen: 13 hrs ago
One Way/Basic
Oct 2026
From$139*
Seen: 11 hrs ago
One Way/Basic
Nov 2026
From$139*
Seen: 11 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $149
cmp-daily-histogram-bars-legend-max-price-aria-label $390
Displaying fares for September-2026
  • LGA–DEN, 09/14/2026: From $315
    14

    Mon

    SEP

  • LGA–DEN, 09/15/2026: From $390
    15

    Tue

  • LGA–DEN, 09/16/2026: From $364
    16

    Wed

  • LGA–DEN, 09/17/2026: From $364
    17

    Thu

  • LGA–DEN, 09/18/2026: From $364
    18

    Fri

  • LGA–DEN, 09/19/2026: From $364
    19

    Sat

  • LGA–DEN, 09/20/2026: From $290
    20

    Sun

  • LGA–DEN, 09/21/2026: From $290
    21

    Mon

  • LGA–DEN, 09/22/2026: From $290
    22

    Tue

  • LGA–DEN: cmp-view-offers-disclaimer. Find Offers
    23

    Wed

  • LGA–DEN, 09/24/2026: From $290
    24

    Thu

  • LGA–DEN, 09/25/2026: From $290
    25

    Fri

  • LGA–DEN, 09/26/2026: From $290
    26

    Sat

  • LGA–DEN, 09/27/2026: From $219
    27

    Sun

  • LGA–DEN, 09/28/2026: From $199
    28

    Mon

  • LGA–DEN, 09/29/2026: From $199
    29

    Tue

  • LGA–DEN, 09/30/2026: From $199
    30

    Wed

  • LGA–DEN, 10/01/2026: From $199
    01

    Thu

    OCT

  • LGA–DEN, 10/02/2026: From $199
    02

    Fri

  • LGA–DEN, 10/03/2026: From $199
    03

    Sat

  • LGA–DEN, 10/04/2026: From $230
    04

    Sun

  • LGA–DEN, 10/05/2026: From $199
    05

    Mon

  • LGA–DEN, 10/06/2026: From $149
    06

    Tue

  • LGA–DEN, 10/07/2026: From $149
    07

    Wed

  • LGA–DEN, 10/08/2026: From $209
    08

    Thu

  • LGA–DEN, 10/09/2026: From $199
    09

    Fri

  • LGA–DEN, 10/10/2026: From $209
    10

    Sat

  • LGA–DEN, 10/11/2026: From $199
    11

    Sun

  • LGA–DEN, 10/12/2026: From $269
    12

    Mon

  • LGA–DEN, 10/13/2026: From $184
    13

    Tue

    • Range$149-$390

    *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:
    La Guardia Airport
    Arriving at:
    Denver International Airport
    Average flight time:
    4 hours 25 minutes
    Distance:
    1620 miles

    Route Information

    156† 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 New York (LaGuardia) to Denver is 4 hours 25 minutes.
    There are 156 weekly flights from New York (LaGuardia) to Denver on Southwest Airlines.
    Yes, Southwest flies nonstop from New York (LaGuardia) to Denver 4 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from New York (LaGuardia) to Denver 2 times per day on Saturdays and 4 times per day on Sundays.
    To find the lowest fares by day and time to fly New York (LaGuardia) to Denver with Southwest, check out our Low Fare Calendar.
    You can rent a car at Denver International Airport book yours with your flight.
    Yes! Flights from New York (LaGuardia) to Denver—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.

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