Southwest® flights from Washington D.C. Reagan National to Las Vegas from $145

Promo Code

Low fares from Washington D.C. Reagan National to Las Vegas

$

Washington D.C. Reagan National (DCA)to

Las Vegas (LAS)
Depart: 11/04/2026

One-way

Basic

From
$145
Seen: 8 hrs ago

Washington D.C. Reagan National (DCA)to

Las Vegas (LAS)
Depart: 12/08/2026

One-way

Basic

From
$145
Seen: 7 hrs ago

Washington D.C. Reagan National (DCA)to

Las Vegas (LAS)
Depart: 11/16/2026

One-way

Basic

From
$145
Seen: 1 hour ago

Washington D.C. Reagan National (DCA)to

Las Vegas (LAS)
Depart: 12/15/2026

One-way

Basic

From
$145
Seen: 13 hrs ago

Washington D.C. Reagan National (DCA)to

Las Vegas (LAS)
Depart: 11/02/2026

One-way

Basic

From
$145
Seen: 6 hrs ago

Washington D.C. Reagan National (DCA)to

Las Vegas (LAS)
Depart: 12/12/2026

One-way

Basic

From
$145
Seen: 11 hrs ago

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Explore flights from Washington D.C. Reagan National to Las Vegas

Sep 2026
From$239*
Seen: 22 hrs ago
One Way/Basic
Oct 2026
From$155*
Seen: 10 hrs ago
One Way/Basic
Nov 2026
From$145*
Seen: 12 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $155
cmp-daily-histogram-bars-legend-max-price-aria-label $498
Displaying fares for September-2026
  • DCA–LAS: cmp-view-offers-disclaimer. Find Offers
    10

    Thu

    SEP

  • DCA–LAS, 09/11/2026: From $347
    11

    Fri

  • DCA–LAS, 09/12/2026: From $268
    12

    Sat

  • DCA–LAS, 09/13/2026: From $357
    13

    Sun

  • DCA–LAS, 09/14/2026: From $357
    14

    Mon

  • DCA–LAS, 09/15/2026: From $268
    15

    Tue

  • DCA–LAS, 09/16/2026: From $289
    16

    Wed

  • DCA–LAS: cmp-view-offers-disclaimer. Find Offers
    17

    Thu

  • DCA–LAS, 09/18/2026: From $498
    18

    Fri

  • DCA–LAS, 09/19/2026: From $258
    19

    Sat

  • DCA–LAS, 09/20/2026: From $357
    20

    Sun

  • DCA–LAS: cmp-view-offers-disclaimer. Find Offers
    21

    Mon

  • DCA–LAS, 09/22/2026: From $268
    22

    Tue

  • DCA–LAS, 09/23/2026: From $268
    23

    Wed

  • DCA–LAS, 09/24/2026: From $357
    24

    Thu

  • DCA–LAS, 09/25/2026: From $355
    25

    Fri

  • DCA–LAS, 09/26/2026: From $258
    26

    Sat

  • DCA–LAS, 09/27/2026: From $387
    27

    Sun

  • DCA–LAS, 09/28/2026: From $345
    28

    Mon

  • DCA–LAS, 09/29/2026: From $268
    29

    Tue

  • DCA–LAS, 09/30/2026: From $239
    30

    Wed

  • DCA–LAS, 10/01/2026: From $294
    01

    Thu

    OCT

  • DCA–LAS, 10/02/2026: From $239
    02

    Fri

  • DCA–LAS, 10/03/2026: From $155
    03

    Sat

  • DCA–LAS: cmp-view-offers-disclaimer. Find Offers
    04

    Sun

  • DCA–LAS, 10/05/2026: From $155
    05

    Mon

  • DCA–LAS, 10/06/2026: From $155
    06

    Tue

  • DCA–LAS, 10/07/2026: From $155
    07

    Wed

  • DCA–LAS, 10/08/2026: From $339
    08

    Thu

  • DCA–LAS, 10/09/2026: From $304
    09

    Fri

    • Range$155-$498

    *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:
    Ronald Reagan National Airport
    Arriving at:
    McCarran International Airport
    Average flight time:
    5 hours 11 minutes
    Distance:
    2089 miles

    Route Information

    156† Weekly flights
    • 1‡ Nonstop flight per day Monday through Friday
    • 1‡ Nonstop flight on Saturday
    • 1‡ Nonstop flight 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 Washington, D.C. (Reagan National) to Las Vegas is 5 hours 11 minutes.
    There are 156 weekly flights from Washington, D.C. (Reagan National) to Las Vegas on Southwest Airlines.
    Yes, Southwest flies nonstop from Washington, D.C. (Reagan National) to Las Vegas once per day from Monday through Friday.
    Yes, Southwest flies nonstop from Washington, D.C. (Reagan National) to Las Vegas once per day on Saturdays and Sundays.
    To find the lowest fares by day and time to fly Washington, D.C. (Reagan National) to Las Vegas with Southwest, check out our Low Fare Calendar.
    You can rent a car at McCarran International Airport book yours with your flight.
    Yes! Flights from Washington, D.C. (Reagan National) to Las Vegas—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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