Cheapest return flights from Portland to Las Vegas in May from $49

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

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

Return flights

07 May - 14 May Spirit Airlines direct
07 May - 12 May Spirit Airlines direct
12 May - 16 May Spirit Airlines direct
02 May - 04 May Spirit Airlines direct
05 May - 12 May Spirit Airlines direct
08 May - 11 May Frontier Airlines direct
29 May - 02 Jun Frontier Airlines direct
09 May - 11 May Spirit Airlines direct
14 May - 20 May Spirit Airlines direct
20 May - 08 Jun Spirit Airlines
19 May - 23 May Frontier Airlines direct
30 May - 01 Jun Frontier Airlines
22 May - 25 May Frontier Airlines direct
20 May - 08 Jun Spirit Airlines direct

Also check the deals for one-way 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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