Cheapest return flights from Portland to Las Vegas in May from 90€

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

01 May - 05 May Frontier Airlines direct
02 May - 08 May Frontier Airlines
02 May - 08 May Frontier Airlines direct
09 May - 12 May Frontier Airlines
02 May - 05 May Frontier Airlines
02 May - 05 May Frontier Airlines direct
08 May - 10 May Frontier Airlines direct
16 May - 19 May Frontier Airlines
08 May - 08 May Spirit Airlines direct
09 May - 09 May Spirit Airlines direct
31 May - 05 Jun Alaska Airlines direct
30 May - 01 Jun Frontier Airlines direct

Also check the deals for one-way flights from Portland to Las Vegas in May.

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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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