Southwest® flights from Las Vegas to Washington D.C. Reagan National from $139

Promo Code

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

$

Las Vegas (LAS)to

Washington D.C. Reagan National (DCA)
Depart: 12/15/2026

One-way

Basic

From
$139
Seen: 23 hrs ago

Las Vegas (LAS)to

Washington D.C. Reagan National (DCA)
Depart: 12/12/2026

One-way

Basic

From
$139
Seen: 19 hrs ago

Las Vegas (LAS)to

Washington D.C. Reagan National (DCA)
Depart: 12/08/2026

One-way

Basic

From
$139
Seen: 17 hrs ago

Las Vegas (LAS)to

Washington D.C. Reagan National (DCA)
Depart: 11/05/2026

One-way

Basic

From
$140
Seen: 45 minutes ago

Las Vegas (LAS)to

Washington D.C. Reagan National (DCA)
Depart: 12/16/2026

One-way

Basic

From
$149
Seen: 3 hrs ago

Las Vegas (LAS)to

Washington D.C. Reagan National (DCA)
Depart: 11/07/2026

One-way

Basic

From
$149
Seen: 8 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 Las Vegas to Washington D.C. Reagan National

Oct 2026
From$189*
Seen: 11 hrs ago
One Way/Basic
Nov 2026
From$140*
Seen: 45 minutes ago
One Way/Basic
Dec 2026
From$139*
Seen: 17 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $169
cmp-daily-histogram-bars-legend-max-price-aria-label $503
Displaying fares for October-2026
  • LAS–DCA, 10/03/2026: From $278
    03

    Sat

    OCT

  • LAS–DCA, 10/04/2026: From $367
    04

    Sun

  • LAS–DCA, 10/05/2026: From $367
    05

    Mon

  • LAS–DCA, 10/06/2026: From $278
    06

    Tue

  • LAS–DCA, 10/07/2026: From $278
    07

    Wed

  • LAS–DCA, 10/08/2026: From $367
    08

    Thu

  • LAS–DCA, 10/09/2026: From $437
    09

    Fri

  • LAS–DCA, 10/10/2026: From $268
    10

    Sat

  • LAS–DCA, 10/11/2026: From $498
    11

    Sun

  • LAS–DCA, 10/12/2026: From $367
    12

    Mon

  • LAS–DCA, 10/13/2026: From $278
    13

    Tue

  • LAS–DCA, 10/14/2026: From $278
    14

    Wed

  • LAS–DCA: cmp-view-offers-disclaimer. Find Offers
    15

    Thu

  • LAS–DCA, 10/16/2026: From $357
    16

    Fri

  • LAS–DCA, 10/17/2026: From $259
    17

    Sat

  • LAS–DCA, 10/18/2026: From $503
    18

    Sun

  • LAS–DCA, 10/19/2026: From $289
    19

    Mon

  • LAS–DCA, 10/20/2026: From $269
    20

    Tue

  • LAS–DCA, 10/21/2026: From $259
    21

    Wed

  • LAS–DCA, 10/22/2026: From $284
    22

    Thu

  • LAS–DCA, 10/23/2026: From $214
    23

    Fri

  • LAS–DCA: cmp-view-offers-disclaimer. Find Offers
    24

    Sat

  • LAS–DCA, 10/25/2026: From $349
    25

    Sun

  • LAS–DCA, 10/26/2026: From $269
    26

    Mon

  • LAS–DCA, 10/27/2026: From $199
    27

    Tue

  • LAS–DCA, 10/28/2026: From $199
    28

    Wed

  • LAS–DCA, 10/29/2026: From $214
    29

    Thu

  • LAS–DCA, 10/30/2026: From $214
    30

    Fri

  • LAS–DCA, 10/31/2026: From $189
    31

    Sat

  • LAS–DCA, 11/01/2026: From $219
    01

    Sun

    NOV

  • LAS–DCA, 11/02/2026: From $169
    02

    Mon

    • Range$169-$503

    *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:
    McCarran International Airport
    Arriving at:
    Ronald Reagan National Airport
    Average flight time:
    4 hours 32 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 Las Vegas to Washington, D.C. (Reagan National) is 4 hours 32 minutes.
    There are 156 weekly flights from Las Vegas to Washington, D.C. (Reagan National) on Southwest Airlines.
    Yes, Southwest flies nonstop from Las Vegas to Washington, D.C. (Reagan National) once per day from Monday through Friday.
    Yes, Southwest flies nonstop from Las Vegas to Washington, D.C. (Reagan National) once per day on Saturdays and Sundays.
    To find the lowest fares by day and time to fly Las Vegas to Washington, D.C. (Reagan National) with Southwest, check out our Low Fare Calendar.
    You can rent a car at Ronald Reagan National Airport book yours with your flight.
    Yes! Flights from Las Vegas to Washington, D.C. (Reagan National)—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 Las Vegas