Cheapest one-way flights from Portland to Las Vegas in May from $99

Best time to book flights for Portland (PDX) to Las Vegas (LAS) flights at AirHint

AirHint found the following cheapest one-way flights from Portland (PDX) to Las Vegas (LAS) in May 2025 (see full year).

One-Way flights

27 May United
03 May Delta
30 May United
29 May United
30 May Alaska Airlines direct
29 May Alaska Airlines direct
27 May Alaska Airlines direct
23 May United
03 May Southwest Airlines direct
23 May Southwest Airlines direct

Also check the deals for return flights from Portland to Las Vegas in May.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Las Vegas

Cheap car rent in Las Vegas