Cheap flights from Portland to South Las Vegas

View AU$106 flight on Mon, 13 Oct. 2025Opens in a new window

Popular airlines from Portland to South Las Vegas

  • American Airlines

    American Airlines

  • Alaska Airlines

    Alaska Airlines

  • Delta

    Delta

  • United

    United

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Cheap Flights from Portland (PDX) to South Las Vegas (LAS)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Fri, 5 Sep. - Fri, 12 Sep.
PDX
Portland
LAS
Las Vegas
AU$258 Return, found 1 day ago
AU$258
Return
found 1 day ago
Select Alaska Airlines flight, departing Fri, 5 Sep. from Portland to Las Vegas, returning Fri, 12 Sep., priced at AU$258 found 1 day ago
Alaska Airlines
Wed, 24 Sep. - Sun, 28 Sep.
PDX
Portland
LAS
Las Vegas
AU$259 Return, found 4 days ago
AU$259
Return
found 4 days ago
Select Alaska Airlines flight, departing Wed, 24 Sep. from Portland to Las Vegas, returning Sun, 28 Sep., priced at AU$259 found 4 days ago
Alaska Airlines
Fri, 5 Sep. - Fri, 12 Sep.
PDX
Portland
LAS
Las Vegas
AU$273 Return, found 1 day ago
AU$273
Return
found 1 day ago
Select Alaska Airlines flight, departing Fri, 5 Sep. from Portland to Las Vegas, returning Fri, 12 Sep., priced at AU$273 found 1 day ago
Delta
Wed, 24 Sep. - Sun, 28 Sep.
PDX
Portland
LAS
Las Vegas
AU$275 Return, found 4 days ago
AU$275
Return
found 4 days ago
Select Delta flight, departing Wed, 24 Sep. from Portland to Las Vegas, returning Sun, 28 Sep., priced at AU$275 found 4 days ago
American Airlines
Fri, 5 Sep. - Fri, 12 Sep.
PDX
Portland
LAS
Las Vegas
AU$304 Return, found 1 day ago
AU$304
Return
found 1 day ago
Select American Airlines flight, departing Fri, 5 Sep. from Portland to Las Vegas, returning Fri, 12 Sep., priced at AU$304 found 1 day ago
United
Fri, 5 Sep. - Fri, 12 Sep.
PDX
Portland
LAS
Las Vegas
AU$326 Return, found 1 day ago
AU$326
Return
found 1 day ago
Select United flight, departing Fri, 5 Sep. from Portland to Las Vegas, returning Fri, 12 Sep., priced at AU$326 found 1 day ago

Find the cheapest month to fly from Portland (PDX) to Las Vegas (LAS)

September is typically the cheapest month to fly

From AU$62 - AU$138 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.