Cheapest one-way flights from Portland to Las Vegas in May from $24

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

31 May Spirit Airlines direct
13 May Spirit Airlines direct
03 May Spirit Airlines direct
05 May Spirit Airlines direct
08 May Frontier Airlines direct
29 May Frontier Airlines direct
09 May Spirit Airlines direct
01 May Spirit Airlines direct
23 May Frontier Airlines
23 May Frontier 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.

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