Southwest® flights from Portland, OR to Las Vegas from $129

Promo Code

Low fares from Portland, OR to Las Vegas

$

Portland, OR (PDX)to

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

One-way

Basic

From
$129
Seen: 20 hrs ago

Portland, OR (PDX)to

Las Vegas (LAS)
Depart: 11/14/2026

One-way

Basic

From
$129
Seen: 16 hrs ago

Portland, OR (PDX)to

Las Vegas (LAS)
Depart: 10/27/2026

One-way

Basic

From
$129
Seen: 12 hrs ago

Portland, OR (PDX)to

Las Vegas (LAS)
Depart: 10/20/2026

One-way

Basic

From
$129
Seen: 4 hrs ago

Portland, OR (PDX)to

Las Vegas (LAS)
Depart: 10/14/2026

One-way

Basic

From
$129
Seen: 18 hrs ago

Portland, OR (PDX)to

Las Vegas (LAS)
Depart: 10/07/2026

One-way

Basic

From
$129
Seen: 17 hrs ago

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Explore flights from Portland, OR to Las Vegas

Sep 2026
From$159*
Seen: 4 hrs ago
One Way/Basic
Oct 2026
From$129*
Seen: 5 hrs ago
One Way/Basic
Nov 2026
From$129*
Seen: 13 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $129
cmp-daily-histogram-bars-legend-max-price-aria-label $389
Displaying fares for September-2026
  • PDX–LAS, 09/04/2026: From $389
    04

    Fri

    SEP

  • PDX–LAS, 09/05/2026: From $352
    05

    Sat

  • PDX–LAS, 09/06/2026: From $389
    06

    Sun

  • PDX–LAS, 09/07/2026: From $389
    07

    Mon

  • PDX–LAS, 09/08/2026: From $389
    08

    Tue

  • PDX–LAS, 09/09/2026: From $389
    09

    Wed

  • PDX–LAS, 09/10/2026: From $299
    10

    Thu

  • PDX–LAS, 09/11/2026: From $299
    11

    Fri

  • PDX–LAS, 09/12/2026: From $299
    12

    Sat

  • PDX–LAS, 09/13/2026: From $299
    13

    Sun

  • PDX–LAS: cmp-view-offers-disclaimer. Find Offers
    14

    Mon

  • PDX–LAS, 09/15/2026: From $299
    15

    Tue

  • PDX–LAS, 09/16/2026: From $299
    16

    Wed

  • PDX–LAS, 09/17/2026: From $214
    17

    Thu

  • PDX–LAS, 09/18/2026: From $214
    18

    Fri

  • PDX–LAS: cmp-view-offers-disclaimer. Find Offers
    19

    Sat

  • PDX–LAS, 09/20/2026: From $214
    20

    Sun

  • PDX–LAS, 09/21/2026: From $214
    21

    Mon

  • PDX–LAS, 09/22/2026: From $214
    22

    Tue

  • PDX–LAS: cmp-view-offers-disclaimer. Find Offers
    23

    Wed

  • PDX–LAS, 09/24/2026: From $169
    24

    Thu

  • PDX–LAS, 09/25/2026: From $173
    25

    Fri

  • PDX–LAS, 09/26/2026: From $159
    26

    Sat

  • PDX–LAS, 09/27/2026: From $189
    27

    Sun

  • PDX–LAS: cmp-view-offers-disclaimer. Find Offers
    28

    Mon

  • PDX–LAS: cmp-view-offers-disclaimer. Find Offers
    29

    Tue

  • PDX–LAS: cmp-view-offers-disclaimer. Find Offers
    30

    Wed

  • PDX–LAS, 10/01/2026: From $169
    01

    Thu

    OCT

  • PDX–LAS, 10/02/2026: From $173
    02

    Fri

  • PDX–LAS, 10/03/2026: From $129
    03

    Sat

    • Range$129-$389

    *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:
    Portland International Airport
    Arriving at:
    McCarran International Airport
    Average flight time:
    2 hours 9 minutes
    Distance:
    763 miles

    Route Information

    156† Weekly flights
    • 3‡ Nonstop flights per day Monday through Friday
    • 3‡ 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 Portland, OR to Las Vegas is 2 hours 9 minutes.
    There are 156 weekly flights from Portland, OR to Las Vegas on Southwest Airlines.
    Yes, Southwest flies nonstop from Portland, OR to Las Vegas 3 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from Portland, OR to Las Vegas 3 times per day on Saturdays and 4 times per day on Sundays.
    To find the lowest fares by day and time to fly Portland, OR 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 Portland, OR 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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